From d76b55297940a65bb9479020a9ed58aa978a0aea Mon Sep 17 00:00:00 2001
From: Satoshi Kataoka <satok@google.com>
Date: Mon, 7 Oct 2013 11:28:57 +0900
Subject: Rename EmojiKeyboardView -> EmojiPalettesView

Change-Id: I226bb8e21fd2b2b6639896a1cc433d19f3f431c2
---
 java/res/layout/emoji_keyboard_view.xml            | 110 ---
 java/res/layout/emoji_palettes_view.xml            | 110 +++
 java/res/layout/input_view.xml                     |   2 +-
 java/res/values/attrs.xml                          |   6 +-
 java/res/values/themes-common.xml                  |   4 +-
 java/res/values/themes-gb.xml                      |   6 +-
 java/res/values/themes-ics.xml                     |   6 +-
 .../inputmethod/keyboard/EmojiKeyboardView.java    | 788 --------------------
 .../inputmethod/keyboard/EmojiPalettesView.java    | 794 +++++++++++++++++++++
 .../inputmethod/keyboard/KeyboardSwitcher.java     |  18 +-
 .../keyboard/internal/DynamicGridKeyboard.java     |   4 +-
 11 files changed, 927 insertions(+), 921 deletions(-)
 delete mode 100644 java/res/layout/emoji_keyboard_view.xml
 create mode 100644 java/res/layout/emoji_palettes_view.xml
 delete mode 100644 java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java
 create mode 100644 java/src/com/android/inputmethod/keyboard/EmojiPalettesView.java

(limited to 'java')

diff --git a/java/res/layout/emoji_keyboard_view.xml b/java/res/layout/emoji_keyboard_view.xml
deleted file mode 100644
index 4566a5a1f..000000000
--- a/java/res/layout/emoji_keyboard_view.xml
+++ /dev/null
@@ -1,110 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-**
-** Copyright 2013, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-**     http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
--->
-
-<com.android.inputmethod.keyboard.EmojiKeyboardView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/emoji_keyboard_view"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    style="?attr/emojiKeyboardViewStyle"
->
-    <LinearLayout
-        android:orientation="horizontal"
-        android:layout_width="match_parent"
-        android:layout_height="@dimen/suggestions_strip_height"
-    >
-        <TabHost
-            android:id="@+id/emoji_category_tabhost"
-            android:layout_width="0dip"
-            android:layout_weight="87.5"
-            android:layout_height="match_parent"
-        >
-            <TabWidget
-                android:id="@android:id/tabs"
-                android:layout_width="match_parent"
-                android:layout_height="match_parent"
-                android:background="@drawable/tab_selected"
-                android:divider="@null"
-                android:tabStripEnabled="true"
-                android:tabStripLeft="@drawable/tab_unselected"
-                android:tabStripRight="@drawable/tab_unselected" />
-            <FrameLayout
-                android:id="@android:id/tabcontent"
-                android:layout_width="0dip"
-                android:layout_height="0dip"
-            >
-                <!-- Empty placeholder that TabHost requires. But we don't use it to actually
-                     display anything. We monitor the tab changes and change the ViewPager.
-                     Similarly the ViewPager swipes are intercepted and passed to the TabHost. -->
-                <View
-                    android:id="@+id/emoji_keyboard_dummy"
-                    android:layout_width="0dip"
-                    android:layout_height="0dip"
-                    android:visibility="gone" />
-            </FrameLayout>
-        </TabHost>
-        <View
-            android:layout_width="2dip"
-            android:layout_height="match_parent"
-            android:background="@drawable/suggestions_strip_divider" />
-        <ImageButton
-            android:id="@+id/emoji_keyboard_delete"
-            android:layout_width="0dip"
-            android:layout_weight="12.5"
-            android:layout_height="match_parent"
-            android:background="@color/emoji_key_background_color"
-            android:src="@drawable/sym_keyboard_delete_holo_dark" />
-    </LinearLayout>
-    <android.support.v4.view.ViewPager
-        android:id="@+id/emoji_keyboard_pager"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content" />
-    <com.android.inputmethod.keyboard.EmojiCategoryPageIndicatorView
-        android:id="@+id/emoji_category_page_id_view"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@color/emoji_category_page_id_view_background" />
-    <LinearLayout
-        android:id="@+id/emoji_action_bar"
-        android:orientation="horizontal"
-        android:layout_width="match_parent"
-        android:layout_height="0dip"
-        android:layout_weight="1"
-    >
-        <ImageButton
-            android:id="@+id/emoji_keyboard_alphabet"
-            android:layout_width="0dip"
-            android:layout_weight="0.15"
-            android:layout_height="match_parent"
-            android:src="@drawable/ic_ime_switcher_dark" />
-        <ImageButton
-            android:id="@+id/emoji_keyboard_space"
-            android:layout_width="0dip"
-            android:layout_weight="0.70"
-            android:layout_height="match_parent" />
-        <ImageButton
-            android:id="@+id/emoji_keyboard_send"
-            android:layout_width="0dip"
-            android:layout_weight="0.15"
-            android:layout_height="match_parent"
-            android:src="@drawable/sym_keyboard_return_holo_dark" />
-    </LinearLayout>
-</com.android.inputmethod.keyboard.EmojiKeyboardView>
diff --git a/java/res/layout/emoji_palettes_view.xml b/java/res/layout/emoji_palettes_view.xml
new file mode 100644
index 000000000..613332675
--- /dev/null
+++ b/java/res/layout/emoji_palettes_view.xml
@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2013, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+-->
+
+<com.android.inputmethod.keyboard.EmojiPalettesView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/emoji_keyboard_view"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    style="?attr/emojiPalettesViewStyle"
+>
+    <LinearLayout
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/suggestions_strip_height"
+    >
+        <TabHost
+            android:id="@+id/emoji_category_tabhost"
+            android:layout_width="0dip"
+            android:layout_weight="87.5"
+            android:layout_height="match_parent"
+        >
+            <TabWidget
+                android:id="@android:id/tabs"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:background="@drawable/tab_selected"
+                android:divider="@null"
+                android:tabStripEnabled="true"
+                android:tabStripLeft="@drawable/tab_unselected"
+                android:tabStripRight="@drawable/tab_unselected" />
+            <FrameLayout
+                android:id="@android:id/tabcontent"
+                android:layout_width="0dip"
+                android:layout_height="0dip"
+            >
+                <!-- Empty placeholder that TabHost requires. But we don't use it to actually
+                     display anything. We monitor the tab changes and change the ViewPager.
+                     Similarly the ViewPager swipes are intercepted and passed to the TabHost. -->
+                <View
+                    android:id="@+id/emoji_keyboard_dummy"
+                    android:layout_width="0dip"
+                    android:layout_height="0dip"
+                    android:visibility="gone" />
+            </FrameLayout>
+        </TabHost>
+        <View
+            android:layout_width="2dip"
+            android:layout_height="match_parent"
+            android:background="@drawable/suggestions_strip_divider" />
+        <ImageButton
+            android:id="@+id/emoji_keyboard_delete"
+            android:layout_width="0dip"
+            android:layout_weight="12.5"
+            android:layout_height="match_parent"
+            android:background="@color/emoji_key_background_color"
+            android:src="@drawable/sym_keyboard_delete_holo_dark" />
+    </LinearLayout>
+    <android.support.v4.view.ViewPager
+        android:id="@+id/emoji_keyboard_pager"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+    <com.android.inputmethod.keyboard.EmojiCategoryPageIndicatorView
+        android:id="@+id/emoji_category_page_id_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/emoji_category_page_id_view_background" />
+    <LinearLayout
+        android:id="@+id/emoji_action_bar"
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="0dip"
+        android:layout_weight="1"
+    >
+        <ImageButton
+            android:id="@+id/emoji_keyboard_alphabet"
+            android:layout_width="0dip"
+            android:layout_weight="0.15"
+            android:layout_height="match_parent"
+            android:src="@drawable/ic_ime_switcher_dark" />
+        <ImageButton
+            android:id="@+id/emoji_keyboard_space"
+            android:layout_width="0dip"
+            android:layout_weight="0.70"
+            android:layout_height="match_parent" />
+        <ImageButton
+            android:id="@+id/emoji_keyboard_send"
+            android:layout_width="0dip"
+            android:layout_weight="0.15"
+            android:layout_height="match_parent"
+            android:src="@drawable/sym_keyboard_return_holo_dark" />
+    </LinearLayout>
+</com.android.inputmethod.keyboard.EmojiPalettesView>
diff --git a/java/res/layout/input_view.xml b/java/res/layout/input_view.xml
index 0b682d198..1e7a3844e 100644
--- a/java/res/layout/input_view.xml
+++ b/java/res/layout/input_view.xml
@@ -56,5 +56,5 @@
             android:layout_height="wrap_content" />
     </LinearLayout>
     <include
-        layout="@layout/emoji_keyboard_view" />
+        layout="@layout/emoji_palettes_view" />
 </com.android.inputmethod.latin.InputView>
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index 09782143f..31945d020 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -26,8 +26,8 @@
         <attr name="keyboardViewStyle" format="reference" />
         <!-- MainKeyboardView style -->
         <attr name="mainKeyboardViewStyle" format="reference" />
-        <!-- EmojiKeyboardView style -->
-        <attr name="emojiKeyboardViewStyle" format="reference" />
+        <!-- EmojiPalettesView style -->
+        <attr name="emojiPalettesViewStyle" format="reference" />
         <!-- MoreKeysKeyboard style -->
         <attr name="moreKeysKeyboardStyle" format="reference" />
         <!-- MoreKeysKeyboardView style -->
@@ -167,7 +167,7 @@
         <attr name="suppressKeyPreviewAfterBatchInputDuration" format="integer" />
     </declare-styleable>
 
-    <declare-styleable name="EmojiKeyboardView">
+    <declare-styleable name="EmojiPalettesView">
         <attr name="emojiTabLabelColor" format="reference" />
     </declare-styleable>
 
diff --git a/java/res/values/themes-common.xml b/java/res/values/themes-common.xml
index 8e9cfc90b..37607711d 100644
--- a/java/res/values/themes-common.xml
+++ b/java/res/values/themes-common.xml
@@ -104,10 +104,10 @@
     <style
         name="MainKeyboardView"
         parent="KeyboardView" />
-    <!-- Though {@link EmojiKeyboardView} doesn't extend {@link KeyboardView}, some views inside it,
+    <!-- Though {@link EmojiPalettesView} doesn't extend {@link KeyboardView}, some views inside it,
          for instance delete button, need themed {@link KeyboardView} attributes. -->
     <style
-        name="EmojiKeyboardView"
+        name="EmojiPalettesView"
         parent="KeyboardView"
     >
         <item name="emojiTabLabelColor">@color/emoji_tab_label_color_ics</item>
diff --git a/java/res/values/themes-gb.xml b/java/res/values/themes-gb.xml
index d9ac4acb2..f52695f55 100644
--- a/java/res/values/themes-gb.xml
+++ b/java/res/values/themes-gb.xml
@@ -23,7 +23,7 @@
         <item name="keyboardStyle">@style/Keyboard.GB</item>
         <item name="keyboardViewStyle">@style/KeyboardView.GB</item>
         <item name="mainKeyboardViewStyle">@style/MainKeyboardView.GB</item>
-        <item name="emojiKeyboardViewStyle">@style/EmojiKeyboardView.GB</item>
+        <item name="emojiPalettesViewStyle">@style/EmojiPalettesView.GB</item>
         <item name="moreKeysKeyboardStyle">@style/MoreKeysKeyboard.GB</item>
         <item name="moreKeysKeyboardViewStyle">@style/MoreKeysKeyboardView.GB</item>
         <item name="moreKeysKeyboardContainerStyle">@style/MoreKeysKeyboardContainer.GB</item>
@@ -96,10 +96,10 @@
         <item name="spacebarTextColor">@color/spacebar_text_color_gb</item>
         <item name="spacebarTextShadowColor">@color/spacebar_text_shadow_color_gb</item>
     </style>
-    <!-- Though {@link EmojiKeyboardView} doesn't extend {@link KeyboardView}, some views inside it,
+    <!-- Though {@link EmojiPalettesView} doesn't extend {@link KeyboardView}, some views inside it,
          for instance delete button, need themed {@link KeyboardView} attributes. -->
     <style
-        name="EmojiKeyboardView.GB"
+        name="EmojiPalettesView.GB"
         parent="KeyboardView.GB"
     >
         <item name="keyBackground">@drawable/btn_keyboard_key_functional_gb</item>
diff --git a/java/res/values/themes-ics.xml b/java/res/values/themes-ics.xml
index 33dd50c2c..a77e685c2 100644
--- a/java/res/values/themes-ics.xml
+++ b/java/res/values/themes-ics.xml
@@ -23,7 +23,7 @@
         <item name="keyboardStyle">@style/Keyboard.ICS</item>
         <item name="keyboardViewStyle">@style/KeyboardView.ICS</item>
         <item name="mainKeyboardViewStyle">@style/MainKeyboardView.ICS</item>
-        <item name="emojiKeyboardViewStyle">@style/EmojiKeyboardView.ICS</item>
+        <item name="emojiPalettesViewStyle">@style/EmojiPalettesView.ICS</item>
         <item name="moreKeysKeyboardStyle">@style/MoreKeysKeyboard.ICS</item>
         <item name="moreKeysKeyboardViewStyle">@style/MoreKeysKeyboardView.ICS</item>
         <item name="moreKeysKeyboardContainerStyle">@style/MoreKeysKeyboardContainer.ICS</item>
@@ -97,10 +97,10 @@
         <item name="spacebarTextColor">@color/spacebar_text_color_ics</item>
         <item name="spacebarTextShadowColor">@color/spacebar_text_shadow_color_ics</item>
     </style>
-    <!-- Though {@link EmojiKeyboardView} doesn't extend {@link KeyboardView}, some views inside it,
+    <!-- Though {@link EmojiPalettesView} doesn't extend {@link KeyboardView}, some views inside it,
          for instance delete button, need themed {@link KeyboardView} attributes. -->
     <style
-        name="EmojiKeyboardView.ICS"
+        name="EmojiPalettesView.ICS"
         parent="KeyboardView.ICS"
     >
         <item name="keyBackgroundEmojiFunctional">@drawable/btn_keyboard_key_functional_ics</item>
diff --git a/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java b/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java
deleted file mode 100644
index db7c845bc..000000000
--- a/java/src/com/android/inputmethod/keyboard/EmojiKeyboardView.java
+++ /dev/null
@@ -1,788 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.keyboard;
-
-import static com.android.inputmethod.latin.Constants.NOT_A_COORDINATE;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.content.res.ColorStateList;
-import android.content.res.Resources;
-import android.content.res.TypedArray;
-import android.graphics.Rect;
-import android.os.Build;
-import android.preference.PreferenceManager;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.text.format.DateUtils;
-import android.util.AttributeSet;
-import android.util.Log;
-import android.util.Pair;
-import android.util.SparseArray;
-import android.view.LayoutInflater;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.LinearLayout;
-import android.widget.TabHost;
-import android.widget.TabHost.OnTabChangeListener;
-import android.widget.TextView;
-
-import com.android.inputmethod.keyboard.internal.DynamicGridKeyboard;
-import com.android.inputmethod.keyboard.internal.ScrollKeyboardView;
-import com.android.inputmethod.keyboard.internal.ScrollViewWithNotifier;
-import com.android.inputmethod.latin.Constants;
-import com.android.inputmethod.latin.R;
-import com.android.inputmethod.latin.SubtypeSwitcher;
-import com.android.inputmethod.latin.settings.Settings;
-import com.android.inputmethod.latin.utils.CollectionUtils;
-import com.android.inputmethod.latin.utils.ResourceUtils;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.concurrent.ConcurrentHashMap;
-
-/**
- * View class to implement Emoji keyboards.
- * The Emoji keyboard consists of group of views {@link R.layout#emoji_keyboard_view}.
- * <ol>
- * <li> Emoji category tabs.
- * <li> Delete button.
- * <li> Emoji keyboard pages that can be scrolled by swiping horizontally or by selecting a tab.
- * <li> Back to main keyboard button and enter button.
- * </ol>
- * Because of the above reasons, this class doesn't extend {@link KeyboardView}.
- */
-public final class EmojiKeyboardView extends LinearLayout implements OnTabChangeListener,
-        ViewPager.OnPageChangeListener, View.OnClickListener,
-        ScrollKeyboardView.OnKeyClickListener {
-    private static final String TAG = EmojiKeyboardView.class.getSimpleName();
-    private final int mKeyBackgroundId;
-    private final int mEmojiFunctionalKeyBackgroundId;
-    private final KeyboardLayoutSet mLayoutSet;
-    private final ColorStateList mTabLabelColor;
-    private final DeleteKeyOnTouchListener mDeleteKeyOnTouchListener;
-    private EmojiKeyboardAdapter mEmojiKeyboardAdapter;
-
-    private TabHost mTabHost;
-    private ViewPager mEmojiPager;
-    private EmojiCategoryPageIndicatorView mEmojiCategoryPageIndicatorView;
-
-    private KeyboardActionListener mKeyboardActionListener = KeyboardActionListener.EMPTY_LISTENER;
-
-    private static final int CATEGORY_ID_UNSPECIFIED = -1;
-    public static final int CATEGORY_ID_RECENTS = 0;
-    public static final int CATEGORY_ID_PEOPLE = 1;
-    public static final int CATEGORY_ID_OBJECTS = 2;
-    public static final int CATEGORY_ID_NATURE = 3;
-    public static final int CATEGORY_ID_PLACES = 4;
-    public static final int CATEGORY_ID_SYMBOLS = 5;
-    public static final int CATEGORY_ID_EMOTICONS = 6;
-
-    private static class CategoryProperties {
-        public int mCategoryId;
-        public int mPageCount;
-        public CategoryProperties(final int categoryId, final int pageCount) {
-            mCategoryId = categoryId;
-            mPageCount = pageCount;
-        }
-    }
-
-    private static class EmojiCategory {
-        private static final String[] sCategoryName = {
-                "recents",
-                "people",
-                "objects",
-                "nature",
-                "places",
-                "symbols",
-                "emoticons" };
-        private static final int[] sCategoryIcon = new int[] {
-                R.drawable.ic_emoji_recent_light,
-                R.drawable.ic_emoji_people_light,
-                R.drawable.ic_emoji_objects_light,
-                R.drawable.ic_emoji_nature_light,
-                R.drawable.ic_emoji_places_light,
-                R.drawable.ic_emoji_symbols_light,
-                0 };
-        private static final String[] sCategoryLabel =
-                { null, null, null, null, null, null, ":-)" };
-        private static final int[] sCategoryElementId = {
-                KeyboardId.ELEMENT_EMOJI_RECENTS,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY1,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY2,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY3,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY4,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY5,
-                KeyboardId.ELEMENT_EMOJI_CATEGORY6 };
-        private final SharedPreferences mPrefs;
-        private final int mMaxPageKeyCount;
-        private final KeyboardLayoutSet mLayoutSet;
-        private final HashMap<String, Integer> mCategoryNameToIdMap = CollectionUtils.newHashMap();
-        private final ArrayList<CategoryProperties> mShownCategories =
-                CollectionUtils.newArrayList();
-        private final ConcurrentHashMap<Long, DynamicGridKeyboard>
-                mCategoryKeyboardMap = new ConcurrentHashMap<Long, DynamicGridKeyboard>();
-
-        private int mCurrentCategoryId = CATEGORY_ID_UNSPECIFIED;
-        private int mCurrentCategoryPageId = 0;
-
-        public EmojiCategory(final SharedPreferences prefs, final Resources res,
-                final KeyboardLayoutSet layoutSet) {
-            mPrefs = prefs;
-            mMaxPageKeyCount = res.getInteger(R.integer.emoji_keyboard_max_key_count);
-            mLayoutSet = layoutSet;
-            for (int i = 0; i < sCategoryName.length; ++i) {
-                mCategoryNameToIdMap.put(sCategoryName[i], i);
-            }
-            addShownCategoryId(CATEGORY_ID_RECENTS);
-            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR2
-                    || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KeyLimePie")
-                    || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KitKat")) {
-                addShownCategoryId(CATEGORY_ID_PEOPLE);
-                addShownCategoryId(CATEGORY_ID_OBJECTS);
-                addShownCategoryId(CATEGORY_ID_NATURE);
-                addShownCategoryId(CATEGORY_ID_PLACES);
-                mCurrentCategoryId = CATEGORY_ID_PEOPLE;
-            } else {
-                mCurrentCategoryId = CATEGORY_ID_SYMBOLS;
-            }
-            addShownCategoryId(CATEGORY_ID_SYMBOLS);
-            addShownCategoryId(CATEGORY_ID_EMOTICONS);
-            getKeyboard(CATEGORY_ID_RECENTS, 0 /* cagetoryPageId */)
-                    .loadRecentKeys(mCategoryKeyboardMap.values());
-        }
-
-        private void addShownCategoryId(int categoryId) {
-            // Load a keyboard of categoryId
-            getKeyboard(categoryId, 0 /* cagetoryPageId */);
-            final CategoryProperties properties =
-                    new CategoryProperties(categoryId, getCategoryPageCount(categoryId));
-            mShownCategories.add(properties);
-        }
-
-        public String getCategoryName(int categoryId, int categoryPageId) {
-            return sCategoryName[categoryId] + "-" + categoryPageId;
-        }
-
-        public int getCategoryId(String name) {
-            final String[] strings = name.split("-");
-            return mCategoryNameToIdMap.get(strings[0]);
-        }
-
-        public int getCategoryIcon(int categoryId) {
-            return sCategoryIcon[categoryId];
-        }
-
-        public String getCategoryLabel(int categoryId) {
-            return sCategoryLabel[categoryId];
-        }
-
-        public ArrayList<CategoryProperties> getShownCategories() {
-            return mShownCategories;
-        }
-
-        public int getCurrentCategoryId() {
-            return mCurrentCategoryId;
-        }
-
-        public int getCurrentCategoryPageSize() {
-            return getCategoryPageSize(mCurrentCategoryId);
-        }
-
-        public int getCategoryPageSize(int categoryId) {
-            for (final CategoryProperties prop : mShownCategories) {
-                if (prop.mCategoryId == categoryId) {
-                    return prop.mPageCount;
-                }
-            }
-            Log.w(TAG, "Invalid category id: " + categoryId);
-            // Should not reach here.
-            return 0;
-        }
-
-        public void setCurrentCategoryId(int categoryId) {
-            mCurrentCategoryId = categoryId;
-        }
-
-        public void setCurrentCategoryPageId(int id) {
-            mCurrentCategoryPageId = id;
-        }
-
-        public int getCurrentCategoryPageId() {
-            return mCurrentCategoryPageId;
-        }
-
-        public void saveLastTypedCategoryPage() {
-            Settings.writeEmojiCategoryLastTypedId(
-                    mPrefs, mCurrentCategoryId, mCurrentCategoryPageId);
-        }
-
-        public boolean isInRecentTab() {
-            return mCurrentCategoryId == CATEGORY_ID_RECENTS;
-        }
-
-        public int getTabIdFromCategoryId(int categoryId) {
-            for (int i = 0; i < mShownCategories.size(); ++i) {
-                if (mShownCategories.get(i).mCategoryId == categoryId) {
-                    return i;
-                }
-            }
-            Log.w(TAG, "categoryId not found: " + categoryId);
-            return 0;
-        }
-
-        // Returns the view pager's page position for the categoryId
-        public int getPageIdFromCategoryId(int categoryId) {
-            final int lastSavedCategoryPageId =
-                    Settings.readEmojiCategoryLastTypedId(mPrefs, categoryId);
-            int sum = 0;
-            for (int i = 0; i < mShownCategories.size(); ++i) {
-                final CategoryProperties props = mShownCategories.get(i);
-                if (props.mCategoryId == categoryId) {
-                    return sum + lastSavedCategoryPageId;
-                }
-                sum += props.mPageCount;
-            }
-            Log.w(TAG, "categoryId not found: " + categoryId);
-            return 0;
-        }
-
-        public int getRecentTabId() {
-            return getTabIdFromCategoryId(CATEGORY_ID_RECENTS);
-        }
-
-        private int getCategoryPageCount(int categoryId) {
-            final Keyboard keyboard = mLayoutSet.getKeyboard(sCategoryElementId[categoryId]);
-            return (keyboard.getKeys().length - 1) / mMaxPageKeyCount + 1;
-        }
-
-        // Returns a pair of the category id and the category page id from the view pager's page
-        // position. The category page id is numbered in each category. And the view page position
-        // is the position of the current shown page in the view pager which contains all pages of
-        // all categories.
-        public Pair<Integer, Integer> getCategoryIdAndPageIdFromPagePosition(int position) {
-            int sum = 0;
-            for (CategoryProperties properties : mShownCategories) {
-                final int temp = sum;
-                sum += properties.mPageCount;
-                if (sum > position) {
-                    return new Pair<Integer, Integer>(properties.mCategoryId, position - temp);
-                }
-            }
-            return null;
-        }
-
-        // Returns a keyboard from the view pager's page position.
-        public DynamicGridKeyboard getKeyboardFromPagePosition(int position) {
-            final Pair<Integer, Integer> categoryAndId =
-                    getCategoryIdAndPageIdFromPagePosition(position);
-            if (categoryAndId != null) {
-                return getKeyboard(categoryAndId.first, categoryAndId.second);
-            }
-            return null;
-        }
-
-        public DynamicGridKeyboard getKeyboard(int categoryId, int id) {
-            synchronized(mCategoryKeyboardMap) {
-                final long key = (((long) categoryId) << Constants.MAX_INT_BIT_COUNT) | id;
-                final DynamicGridKeyboard kbd;
-                if (!mCategoryKeyboardMap.containsKey(key)) {
-                    if (categoryId != CATEGORY_ID_RECENTS) {
-                        final Keyboard keyboard =
-                                mLayoutSet.getKeyboard(sCategoryElementId[categoryId]);
-                        final Key[][] sortedKeys = sortKeys(keyboard.getKeys(), mMaxPageKeyCount);
-                        for (int i = 0; i < sortedKeys.length; ++i) {
-                            final DynamicGridKeyboard tempKbd = new DynamicGridKeyboard(mPrefs,
-                                    mLayoutSet.getKeyboard(KeyboardId.ELEMENT_EMOJI_RECENTS),
-                                    mMaxPageKeyCount, categoryId, i /* categoryPageId */);
-                            for (Key emojiKey : sortedKeys[i]) {
-                                if (emojiKey == null) {
-                                    break;
-                                }
-                                tempKbd.addKeyLast(emojiKey);
-                            }
-                            mCategoryKeyboardMap.put((((long) categoryId)
-                                    << Constants.MAX_INT_BIT_COUNT) | i, tempKbd);
-                        }
-                        kbd = mCategoryKeyboardMap.get(key);
-                    } else {
-                        kbd = new DynamicGridKeyboard(mPrefs,
-                                mLayoutSet.getKeyboard(KeyboardId.ELEMENT_EMOJI_RECENTS),
-                                mMaxPageKeyCount, categoryId, 0 /* categoryPageId */);
-                        mCategoryKeyboardMap.put(key, kbd);
-                    }
-                } else {
-                    kbd = mCategoryKeyboardMap.get(key);
-                }
-                return kbd;
-            }
-        }
-
-        public int getTotalPageCountOfAllCategories() {
-            int sum = 0;
-            for (CategoryProperties properties : mShownCategories) {
-                sum += properties.mPageCount;
-            }
-            return sum;
-        }
-
-        private Key[][] sortKeys(Key[] inKeys, int maxPageCount) {
-            Key[] keys = Arrays.copyOf(inKeys, inKeys.length);
-            Arrays.sort(keys, 0, keys.length, new Comparator<Key>() {
-                @Override
-                public int compare(Key lhs, Key rhs) {
-                    final Rect lHitBox = lhs.getHitBox();
-                    final Rect rHitBox = rhs.getHitBox();
-                    if (lHitBox.top < rHitBox.top) {
-                        return -1;
-                    } else if (lHitBox.top > rHitBox.top) {
-                        return 1;
-                    }
-                    if (lHitBox.left < rHitBox.left) {
-                        return -1;
-                    } else if (lHitBox.left > rHitBox.left) {
-                        return 1;
-                    }
-                    if (lhs.getCode() == rhs.getCode()) {
-                        return 0;
-                    }
-                    return lhs.getCode() < rhs.getCode() ? -1 : 1;
-                }
-            });
-            final int pageCount = (keys.length - 1) / maxPageCount + 1;
-            final Key[][] retval = new Key[pageCount][maxPageCount];
-            for (int i = 0; i < keys.length; ++i) {
-                retval[i / maxPageCount][i % maxPageCount] = keys[i];
-            }
-            return retval;
-        }
-    }
-
-    private final EmojiCategory mEmojiCategory;
-
-    public EmojiKeyboardView(final Context context, final AttributeSet attrs) {
-        this(context, attrs, R.attr.emojiKeyboardViewStyle);
-    }
-
-    public EmojiKeyboardView(final Context context, final AttributeSet attrs, final int defStyle) {
-        super(context, attrs, defStyle);
-        final TypedArray keyboardViewAttr = context.obtainStyledAttributes(attrs,
-                R.styleable.KeyboardView, defStyle, R.style.KeyboardView);
-        mKeyBackgroundId = keyboardViewAttr.getResourceId(
-                R.styleable.KeyboardView_keyBackground, 0);
-        mEmojiFunctionalKeyBackgroundId = keyboardViewAttr.getResourceId(
-                R.styleable.KeyboardView_keyBackgroundEmojiFunctional, 0);
-        keyboardViewAttr.recycle();
-        final TypedArray emojiKeyboardViewAttr = context.obtainStyledAttributes(attrs,
-                R.styleable.EmojiKeyboardView, defStyle, R.style.EmojiKeyboardView);
-        mTabLabelColor = emojiKeyboardViewAttr.getColorStateList(
-                R.styleable.EmojiKeyboardView_emojiTabLabelColor);
-        emojiKeyboardViewAttr.recycle();
-        final KeyboardLayoutSet.Builder builder = new KeyboardLayoutSet.Builder(
-                context, null /* editorInfo */);
-        final Resources res = context.getResources();
-        final EmojiLayoutParams emojiLp = new EmojiLayoutParams(res);
-        builder.setSubtype(SubtypeSwitcher.getInstance().getEmojiSubtype());
-        builder.setKeyboardGeometry(ResourceUtils.getDefaultKeyboardWidth(res),
-                emojiLp.mEmojiKeyboardHeight);
-        builder.setOptions(false, false, false /* lanuageSwitchKeyEnabled */);
-        mLayoutSet = builder.build();
-        mEmojiCategory = new EmojiCategory(PreferenceManager.getDefaultSharedPreferences(context),
-                context.getResources(), builder.build());
-        mDeleteKeyOnTouchListener = new DeleteKeyOnTouchListener(context);
-    }
-
-    @Override
-    protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
-        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
-        final Resources res = getContext().getResources();
-        // The main keyboard expands to the entire this {@link KeyboardView}.
-        final int width = ResourceUtils.getDefaultKeyboardWidth(res)
-                + getPaddingLeft() + getPaddingRight();
-        final int height = ResourceUtils.getDefaultKeyboardHeight(res)
-                + res.getDimensionPixelSize(R.dimen.suggestions_strip_height)
-                + getPaddingTop() + getPaddingBottom();
-        setMeasuredDimension(width, height);
-    }
-
-    private void addTab(final TabHost host, final int categoryId) {
-        final String tabId = mEmojiCategory.getCategoryName(categoryId, 0 /* categoryPageId */);
-        final TabHost.TabSpec tspec = host.newTabSpec(tabId);
-        tspec.setContent(R.id.emoji_keyboard_dummy);
-        if (mEmojiCategory.getCategoryIcon(categoryId) != 0) {
-            final ImageView iconView = (ImageView)LayoutInflater.from(getContext()).inflate(
-                    R.layout.emoji_keyboard_tab_icon, null);
-            iconView.setImageResource(mEmojiCategory.getCategoryIcon(categoryId));
-            tspec.setIndicator(iconView);
-        }
-        if (mEmojiCategory.getCategoryLabel(categoryId) != null) {
-            final TextView textView = (TextView)LayoutInflater.from(getContext()).inflate(
-                    R.layout.emoji_keyboard_tab_label, null);
-            textView.setText(mEmojiCategory.getCategoryLabel(categoryId));
-            textView.setTextColor(mTabLabelColor);
-            tspec.setIndicator(textView);
-        }
-        host.addTab(tspec);
-    }
-
-    @Override
-    protected void onFinishInflate() {
-        mTabHost = (TabHost)findViewById(R.id.emoji_category_tabhost);
-        mTabHost.setup();
-        for (final CategoryProperties properties : mEmojiCategory.getShownCategories()) {
-            addTab(mTabHost, properties.mCategoryId);
-        }
-        mTabHost.setOnTabChangedListener(this);
-        mTabHost.getTabWidget().setStripEnabled(true);
-
-        mEmojiKeyboardAdapter = new EmojiKeyboardAdapter(mEmojiCategory, mLayoutSet, this);
-
-        mEmojiPager = (ViewPager)findViewById(R.id.emoji_keyboard_pager);
-        mEmojiPager.setAdapter(mEmojiKeyboardAdapter);
-        mEmojiPager.setOnPageChangeListener(this);
-        mEmojiPager.setOffscreenPageLimit(0);
-        final Resources res = getResources();
-        final EmojiLayoutParams emojiLp = new EmojiLayoutParams(res);
-        emojiLp.setPagerProperties(mEmojiPager);
-
-        mEmojiCategoryPageIndicatorView =
-                (EmojiCategoryPageIndicatorView)findViewById(R.id.emoji_category_page_id_view);
-        emojiLp.setCategoryPageIdViewProperties(mEmojiCategoryPageIndicatorView);
-
-        setCurrentCategoryId(mEmojiCategory.getCurrentCategoryId(), true /* force */);
-
-        final LinearLayout actionBar = (LinearLayout)findViewById(R.id.emoji_action_bar);
-        emojiLp.setActionBarProperties(actionBar);
-
-        final ImageView deleteKey = (ImageView)findViewById(R.id.emoji_keyboard_delete);
-        deleteKey.setTag(Constants.CODE_DELETE);
-        deleteKey.setOnTouchListener(mDeleteKeyOnTouchListener);
-        final ImageView alphabetKey = (ImageView)findViewById(R.id.emoji_keyboard_alphabet);
-        alphabetKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
-        alphabetKey.setTag(Constants.CODE_SWITCH_ALPHA_SYMBOL);
-        alphabetKey.setOnClickListener(this);
-        final ImageView spaceKey = (ImageView)findViewById(R.id.emoji_keyboard_space);
-        spaceKey.setBackgroundResource(mKeyBackgroundId);
-        spaceKey.setTag(Constants.CODE_SPACE);
-        spaceKey.setOnClickListener(this);
-        emojiLp.setKeyProperties(spaceKey);
-        final ImageView sendKey = (ImageView)findViewById(R.id.emoji_keyboard_send);
-        sendKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
-        sendKey.setTag(Constants.CODE_ENTER);
-        sendKey.setOnClickListener(this);
-    }
-
-    @Override
-    public void onTabChanged(final String tabId) {
-        final int categoryId = mEmojiCategory.getCategoryId(tabId);
-        setCurrentCategoryId(categoryId, false /* force */);
-        updateEmojiCategoryPageIdView();
-    }
-
-
-    @Override
-    public void onPageSelected(final int position) {
-        final Pair<Integer, Integer> newPos =
-                mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(position);
-        setCurrentCategoryId(newPos.first /* categoryId */, false /* force */);
-        mEmojiCategory.setCurrentCategoryPageId(newPos.second /* categoryPageId */);
-        updateEmojiCategoryPageIdView();
-    }
-
-    @Override
-    public void onPageScrollStateChanged(final int state) {
-        // Ignore this message. Only want the actual page selected.
-    }
-
-    @Override
-    public void onPageScrolled(final int position, final float positionOffset,
-            final int positionOffsetPixels) {
-        final Pair<Integer, Integer> newPos =
-                mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(position);
-        final int newCategoryId = newPos.first;
-        final int newCategorySize = mEmojiCategory.getCategoryPageSize(newCategoryId);
-        final int currentCategoryId = mEmojiCategory.getCurrentCategoryId();
-        final int currentCategoryPageId = mEmojiCategory.getCurrentCategoryPageId();
-        final int currentCategorySize = mEmojiCategory.getCurrentCategoryPageSize();
-        if (newCategoryId == currentCategoryId) {
-            mEmojiCategoryPageIndicatorView.setCategoryPageId(
-                    newCategorySize, newPos.second, positionOffset);
-        } else if (newCategoryId > currentCategoryId) {
-            mEmojiCategoryPageIndicatorView.setCategoryPageId(
-                    currentCategorySize, currentCategoryPageId, positionOffset);
-        } else if (newCategoryId < currentCategoryId) {
-            mEmojiCategoryPageIndicatorView.setCategoryPageId(
-                    currentCategorySize, currentCategoryPageId, positionOffset - 1);
-        }
-    }
-
-    @Override
-    public void onClick(final View v) {
-        if (v.getTag() instanceof Integer) {
-            final int code = (Integer)v.getTag();
-            registerCode(code);
-            return;
-        }
-    }
-
-    private void registerCode(final int code) {
-        mKeyboardActionListener.onPressKey(code, 0 /* repeatCount */, true /* isSinglePointer */);
-        mKeyboardActionListener.onCodeInput(code, NOT_A_COORDINATE, NOT_A_COORDINATE);
-        mKeyboardActionListener.onReleaseKey(code, false /* withSliding */);
-    }
-
-    @Override
-    public void onKeyClick(final Key key) {
-        mEmojiKeyboardAdapter.addRecentKey(key);
-        mEmojiCategory.saveLastTypedCategoryPage();
-        final int code = key.getCode();
-        if (code == Constants.CODE_OUTPUT_TEXT) {
-            mKeyboardActionListener.onTextInput(key.getOutputText());
-            return;
-        }
-        registerCode(code);
-    }
-
-    public void setHardwareAcceleratedDrawingEnabled(final boolean enabled) {
-        // TODO:
-    }
-
-    public void setKeyboardActionListener(final KeyboardActionListener listener) {
-        mKeyboardActionListener = listener;
-        mDeleteKeyOnTouchListener.setKeyboardActionListener(mKeyboardActionListener);
-    }
-
-    private void updateEmojiCategoryPageIdView() {
-        if (mEmojiCategoryPageIndicatorView == null) {
-            return;
-        }
-        mEmojiCategoryPageIndicatorView.setCategoryPageId(
-                mEmojiCategory.getCurrentCategoryPageSize(),
-                mEmojiCategory.getCurrentCategoryPageId(), 0.0f /* offset */);
-    }
-
-    private void setCurrentCategoryId(final int categoryId, final boolean force) {
-        final int oldCategoryId = mEmojiCategory.getCurrentCategoryId();
-        if (oldCategoryId == categoryId && !force) {
-            return;
-        }
-
-        if (oldCategoryId == CATEGORY_ID_RECENTS) {
-            // Needs to save pending updates for recent keys when we get out of the recents
-            // category because we don't want to move the recent emojis around while the user
-            // is in the recents category.
-            mEmojiKeyboardAdapter.flushPendingRecentKeys();
-        }
-
-        mEmojiCategory.setCurrentCategoryId(categoryId);
-        final int newTabId = mEmojiCategory.getTabIdFromCategoryId(categoryId);
-        final int newCategoryPageId = mEmojiCategory.getPageIdFromCategoryId(categoryId);
-        if (force || mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(
-                mEmojiPager.getCurrentItem()).first != categoryId) {
-            mEmojiPager.setCurrentItem(newCategoryPageId, false /* smoothScroll */);
-        }
-        if (force || mTabHost.getCurrentTab() != newTabId) {
-            mTabHost.setCurrentTab(newTabId);
-        }
-    }
-
-    private static class EmojiKeyboardAdapter extends PagerAdapter {
-        private final ScrollKeyboardView.OnKeyClickListener mListener;
-        private final DynamicGridKeyboard mRecentsKeyboard;
-        private final SparseArray<ScrollKeyboardView> mActiveKeyboardView =
-                CollectionUtils.newSparseArray();
-        private final EmojiCategory mEmojiCategory;
-        private int mActivePosition = 0;
-
-        public EmojiKeyboardAdapter(final EmojiCategory emojiCategory,
-                final KeyboardLayoutSet layoutSet,
-                final ScrollKeyboardView.OnKeyClickListener listener) {
-            mEmojiCategory = emojiCategory;
-            mListener = listener;
-            mRecentsKeyboard = mEmojiCategory.getKeyboard(CATEGORY_ID_RECENTS, 0);
-        }
-
-        public void flushPendingRecentKeys() {
-            mRecentsKeyboard.flushPendingRecentKeys();
-            final KeyboardView recentKeyboardView =
-                    mActiveKeyboardView.get(mEmojiCategory.getRecentTabId());
-            if (recentKeyboardView != null) {
-                recentKeyboardView.invalidateAllKeys();
-            }
-        }
-
-        public void addRecentKey(final Key key) {
-            if (mEmojiCategory.isInRecentTab()) {
-                mRecentsKeyboard.addPendingKey(key);
-                return;
-            }
-            mRecentsKeyboard.addKeyFirst(key);
-            final KeyboardView recentKeyboardView =
-                    mActiveKeyboardView.get(mEmojiCategory.getRecentTabId());
-            if (recentKeyboardView != null) {
-                recentKeyboardView.invalidateAllKeys();
-            }
-        }
-
-        @Override
-        public int getCount() {
-            return mEmojiCategory.getTotalPageCountOfAllCategories();
-        }
-
-        @Override
-        public void setPrimaryItem(final View container, final int position, final Object object) {
-            if (mActivePosition == position) {
-                return;
-            }
-            final ScrollKeyboardView oldKeyboardView = mActiveKeyboardView.get(mActivePosition);
-            if (oldKeyboardView != null) {
-                oldKeyboardView.releaseCurrentKey();
-                oldKeyboardView.deallocateMemory();
-            }
-            mActivePosition = position;
-        }
-
-        @Override
-        public Object instantiateItem(final ViewGroup container, final int position) {
-            final Keyboard keyboard =
-                    mEmojiCategory.getKeyboardFromPagePosition(position);
-            final LayoutInflater inflater = LayoutInflater.from(container.getContext());
-            final View view = inflater.inflate(
-                    R.layout.emoji_keyboard_page, container, false /* attachToRoot */);
-            final ScrollKeyboardView keyboardView = (ScrollKeyboardView)view.findViewById(
-                    R.id.emoji_keyboard_page);
-            keyboardView.setKeyboard(keyboard);
-            keyboardView.setOnKeyClickListener(mListener);
-            final ScrollViewWithNotifier scrollView = (ScrollViewWithNotifier)view.findViewById(
-                    R.id.emoji_keyboard_scroller);
-            keyboardView.setScrollView(scrollView);
-            container.addView(view);
-            mActiveKeyboardView.put(position, keyboardView);
-            return view;
-        }
-
-        @Override
-        public boolean isViewFromObject(final View view, final Object object) {
-            return view == object;
-        }
-
-        @Override
-        public void destroyItem(final ViewGroup container, final int position,
-                final Object object) {
-            final ScrollKeyboardView keyboardView = mActiveKeyboardView.get(position);
-            if (keyboardView != null) {
-                keyboardView.deallocateMemory();
-                mActiveKeyboardView.remove(position);
-            }
-            container.removeView(keyboardView);
-        }
-    }
-
-    // TODO: Do the same things done in PointerTracker
-    private static class DeleteKeyOnTouchListener implements OnTouchListener {
-        private static final long MAX_REPEAT_COUNT_TIME = 30 * DateUtils.SECOND_IN_MILLIS;
-        private final int mDeleteKeyPressedBackgroundColor;
-        private final long mKeyRepeatStartTimeout;
-        private final long mKeyRepeatInterval;
-
-        public DeleteKeyOnTouchListener(Context context) {
-            final Resources res = context.getResources();
-            mDeleteKeyPressedBackgroundColor =
-                    res.getColor(R.color.emoji_key_pressed_background_color);
-            mKeyRepeatStartTimeout = res.getInteger(R.integer.config_key_repeat_start_timeout);
-            mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
-        }
-
-        private KeyboardActionListener mKeyboardActionListener =
-                KeyboardActionListener.EMPTY_LISTENER;
-        private DummyRepeatKeyRepeatTimer mTimer;
-
-        private synchronized void startRepeat() {
-            if (mTimer != null) {
-                abortRepeat();
-            }
-            mTimer = new DummyRepeatKeyRepeatTimer();
-            mTimer.start();
-        }
-
-        private synchronized void abortRepeat() {
-            mTimer.abort();
-            mTimer = null;
-        }
-
-        // TODO: Remove
-        // This function is mimicking the repeat code in PointerTracker.
-        // Specifically referring to PointerTracker#startRepeatKey and PointerTracker#onKeyRepeat.
-        private class DummyRepeatKeyRepeatTimer extends Thread {
-            public boolean mAborted = false;
-
-            @Override
-            public void run() {
-                int repeatCount = 1;
-                int timeCount = 0;
-                while (timeCount < MAX_REPEAT_COUNT_TIME && !mAborted) {
-                    if (timeCount > mKeyRepeatStartTimeout) {
-                        pressDelete(repeatCount);
-                    }
-                    timeCount += mKeyRepeatInterval;
-                    ++repeatCount;
-                    try {
-                        Thread.sleep(mKeyRepeatInterval);
-                    } catch (InterruptedException e) {
-                    }
-                }
-            }
-
-            public void abort() {
-                mAborted = true;
-            }
-        }
-
-        public void pressDelete(int repeatCount) {
-            mKeyboardActionListener.onPressKey(
-                    Constants.CODE_DELETE, repeatCount, true /* isSinglePointer */);
-            mKeyboardActionListener.onCodeInput(
-                    Constants.CODE_DELETE, NOT_A_COORDINATE, NOT_A_COORDINATE);
-            mKeyboardActionListener.onReleaseKey(
-                    Constants.CODE_DELETE, false /* withSliding */);
-        }
-
-        public void setKeyboardActionListener(KeyboardActionListener listener) {
-            mKeyboardActionListener = listener;
-        }
-
-        @Override
-        public boolean onTouch(View v, MotionEvent event) {
-            switch(event.getAction()) {
-                case MotionEvent.ACTION_DOWN:
-                    v.setBackgroundColor(mDeleteKeyPressedBackgroundColor);
-                    pressDelete(0 /* repeatCount */);
-                    startRepeat();
-                    return true;
-                case MotionEvent.ACTION_UP:
-                    v.setBackgroundColor(0);
-                    abortRepeat();
-                    return true;
-            }
-            return false;
-        }
-    }
-}
diff --git a/java/src/com/android/inputmethod/keyboard/EmojiPalettesView.java b/java/src/com/android/inputmethod/keyboard/EmojiPalettesView.java
new file mode 100644
index 000000000..0946cbd9f
--- /dev/null
+++ b/java/src/com/android/inputmethod/keyboard/EmojiPalettesView.java
@@ -0,0 +1,794 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.inputmethod.keyboard;
+
+import static com.android.inputmethod.latin.Constants.NOT_A_COORDINATE;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.res.ColorStateList;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.graphics.Rect;
+import android.os.Build;
+import android.preference.PreferenceManager;
+import android.support.v4.view.PagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.text.format.DateUtils;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.util.Pair;
+import android.util.SparseArray;
+import android.view.LayoutInflater;
+import android.view.MotionEvent;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TabHost;
+import android.widget.TabHost.OnTabChangeListener;
+import android.widget.TextView;
+
+import com.android.inputmethod.keyboard.internal.DynamicGridKeyboard;
+import com.android.inputmethod.keyboard.internal.ScrollKeyboardView;
+import com.android.inputmethod.keyboard.internal.ScrollViewWithNotifier;
+import com.android.inputmethod.latin.Constants;
+import com.android.inputmethod.latin.R;
+import com.android.inputmethod.latin.SubtypeSwitcher;
+import com.android.inputmethod.latin.settings.Settings;
+import com.android.inputmethod.latin.utils.CollectionUtils;
+import com.android.inputmethod.latin.utils.ResourceUtils;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.concurrent.ConcurrentHashMap;
+
+/**
+ * View class to implement Emoji palettes.
+ * The Emoji keyboard consists of group of views {@link R.layout#emoji_palettes_view}.
+ * <ol>
+ * <li> Emoji category tabs.
+ * <li> Delete button.
+ * <li> Emoji keyboard pages that can be scrolled by swiping horizontally or by selecting a tab.
+ * <li> Back to main keyboard button and enter button.
+ * </ol>
+ * Because of the above reasons, this class doesn't extend {@link KeyboardView}.
+ */
+public final class EmojiPalettesView extends LinearLayout implements OnTabChangeListener,
+        ViewPager.OnPageChangeListener, View.OnClickListener,
+        ScrollKeyboardView.OnKeyClickListener {
+    private static final String TAG = EmojiPalettesView.class.getSimpleName();
+    private final int mKeyBackgroundId;
+    private final int mEmojiFunctionalKeyBackgroundId;
+    private final KeyboardLayoutSet mLayoutSet;
+    private final ColorStateList mTabLabelColor;
+    private final DeleteKeyOnTouchListener mDeleteKeyOnTouchListener;
+    private EmojiPalettesAdapter mEmojiPalettesAdapter;
+
+    private TabHost mTabHost;
+    private ViewPager mEmojiPager;
+    private EmojiCategoryPageIndicatorView mEmojiCategoryPageIndicatorView;
+
+    private KeyboardActionListener mKeyboardActionListener = KeyboardActionListener.EMPTY_LISTENER;
+
+    private static final int CATEGORY_ID_UNSPECIFIED = -1;
+    public static final int CATEGORY_ID_RECENTS = 0;
+    public static final int CATEGORY_ID_PEOPLE = 1;
+    public static final int CATEGORY_ID_OBJECTS = 2;
+    public static final int CATEGORY_ID_NATURE = 3;
+    public static final int CATEGORY_ID_PLACES = 4;
+    public static final int CATEGORY_ID_SYMBOLS = 5;
+    public static final int CATEGORY_ID_EMOTICONS = 6;
+
+    private static class CategoryProperties {
+        public int mCategoryId;
+        public int mPageCount;
+        public CategoryProperties(final int categoryId, final int pageCount) {
+            mCategoryId = categoryId;
+            mPageCount = pageCount;
+        }
+    }
+
+    private static class EmojiCategory {
+        private static final String[] sCategoryName = {
+                "recents",
+                "people",
+                "objects",
+                "nature",
+                "places",
+                "symbols",
+                "emoticons" };
+        private static final int[] sCategoryIcon = new int[] {
+                R.drawable.ic_emoji_recent_light,
+                R.drawable.ic_emoji_people_light,
+                R.drawable.ic_emoji_objects_light,
+                R.drawable.ic_emoji_nature_light,
+                R.drawable.ic_emoji_places_light,
+                R.drawable.ic_emoji_symbols_light,
+                0 };
+        private static final String[] sCategoryLabel =
+                { null, null, null, null, null, null, ":-)" };
+        private static final int[] sCategoryElementId = {
+                KeyboardId.ELEMENT_EMOJI_RECENTS,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY1,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY2,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY3,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY4,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY5,
+                KeyboardId.ELEMENT_EMOJI_CATEGORY6 };
+        private final SharedPreferences mPrefs;
+        private final int mMaxPageKeyCount;
+        private final KeyboardLayoutSet mLayoutSet;
+        private final HashMap<String, Integer> mCategoryNameToIdMap = CollectionUtils.newHashMap();
+        private final ArrayList<CategoryProperties> mShownCategories =
+                CollectionUtils.newArrayList();
+        private final ConcurrentHashMap<Long, DynamicGridKeyboard>
+                mCategoryKeyboardMap = new ConcurrentHashMap<Long, DynamicGridKeyboard>();
+
+        private int mCurrentCategoryId = CATEGORY_ID_UNSPECIFIED;
+        private int mCurrentCategoryPageId = 0;
+
+        public EmojiCategory(final SharedPreferences prefs, final Resources res,
+                final KeyboardLayoutSet layoutSet) {
+            mPrefs = prefs;
+            mMaxPageKeyCount = res.getInteger(R.integer.emoji_keyboard_max_key_count);
+            mLayoutSet = layoutSet;
+            for (int i = 0; i < sCategoryName.length; ++i) {
+                mCategoryNameToIdMap.put(sCategoryName[i], i);
+            }
+            addShownCategoryId(CATEGORY_ID_RECENTS);
+            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR2
+                    || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KeyLimePie")
+                    || android.os.Build.VERSION.CODENAME.equalsIgnoreCase("KitKat")) {
+                addShownCategoryId(CATEGORY_ID_PEOPLE);
+                addShownCategoryId(CATEGORY_ID_OBJECTS);
+                addShownCategoryId(CATEGORY_ID_NATURE);
+                addShownCategoryId(CATEGORY_ID_PLACES);
+                mCurrentCategoryId = CATEGORY_ID_PEOPLE;
+            } else {
+                mCurrentCategoryId = CATEGORY_ID_SYMBOLS;
+            }
+            addShownCategoryId(CATEGORY_ID_SYMBOLS);
+            addShownCategoryId(CATEGORY_ID_EMOTICONS);
+            getKeyboard(CATEGORY_ID_RECENTS, 0 /* cagetoryPageId */)
+                    .loadRecentKeys(mCategoryKeyboardMap.values());
+        }
+
+        private void addShownCategoryId(int categoryId) {
+            // Load a keyboard of categoryId
+            getKeyboard(categoryId, 0 /* cagetoryPageId */);
+            final CategoryProperties properties =
+                    new CategoryProperties(categoryId, getCategoryPageCount(categoryId));
+            mShownCategories.add(properties);
+        }
+
+        public String getCategoryName(int categoryId, int categoryPageId) {
+            return sCategoryName[categoryId] + "-" + categoryPageId;
+        }
+
+        public int getCategoryId(String name) {
+            final String[] strings = name.split("-");
+            return mCategoryNameToIdMap.get(strings[0]);
+        }
+
+        public int getCategoryIcon(int categoryId) {
+            return sCategoryIcon[categoryId];
+        }
+
+        public String getCategoryLabel(int categoryId) {
+            return sCategoryLabel[categoryId];
+        }
+
+        public ArrayList<CategoryProperties> getShownCategories() {
+            return mShownCategories;
+        }
+
+        public int getCurrentCategoryId() {
+            return mCurrentCategoryId;
+        }
+
+        public int getCurrentCategoryPageSize() {
+            return getCategoryPageSize(mCurrentCategoryId);
+        }
+
+        public int getCategoryPageSize(int categoryId) {
+            for (final CategoryProperties prop : mShownCategories) {
+                if (prop.mCategoryId == categoryId) {
+                    return prop.mPageCount;
+                }
+            }
+            Log.w(TAG, "Invalid category id: " + categoryId);
+            // Should not reach here.
+            return 0;
+        }
+
+        public void setCurrentCategoryId(int categoryId) {
+            mCurrentCategoryId = categoryId;
+        }
+
+        public void setCurrentCategoryPageId(int id) {
+            mCurrentCategoryPageId = id;
+        }
+
+        public int getCurrentCategoryPageId() {
+            return mCurrentCategoryPageId;
+        }
+
+        public void saveLastTypedCategoryPage() {
+            Settings.writeEmojiCategoryLastTypedId(
+                    mPrefs, mCurrentCategoryId, mCurrentCategoryPageId);
+        }
+
+        public boolean isInRecentTab() {
+            return mCurrentCategoryId == CATEGORY_ID_RECENTS;
+        }
+
+        public int getTabIdFromCategoryId(int categoryId) {
+            for (int i = 0; i < mShownCategories.size(); ++i) {
+                if (mShownCategories.get(i).mCategoryId == categoryId) {
+                    return i;
+                }
+            }
+            Log.w(TAG, "categoryId not found: " + categoryId);
+            return 0;
+        }
+
+        // Returns the view pager's page position for the categoryId
+        public int getPageIdFromCategoryId(int categoryId) {
+            final int lastSavedCategoryPageId =
+                    Settings.readEmojiCategoryLastTypedId(mPrefs, categoryId);
+            int sum = 0;
+            for (int i = 0; i < mShownCategories.size(); ++i) {
+                final CategoryProperties props = mShownCategories.get(i);
+                if (props.mCategoryId == categoryId) {
+                    return sum + lastSavedCategoryPageId;
+                }
+                sum += props.mPageCount;
+            }
+            Log.w(TAG, "categoryId not found: " + categoryId);
+            return 0;
+        }
+
+        public int getRecentTabId() {
+            return getTabIdFromCategoryId(CATEGORY_ID_RECENTS);
+        }
+
+        private int getCategoryPageCount(int categoryId) {
+            final Keyboard keyboard = mLayoutSet.getKeyboard(sCategoryElementId[categoryId]);
+            return (keyboard.getKeys().length - 1) / mMaxPageKeyCount + 1;
+        }
+
+        // Returns a pair of the category id and the category page id from the view pager's page
+        // position. The category page id is numbered in each category. And the view page position
+        // is the position of the current shown page in the view pager which contains all pages of
+        // all categories.
+        public Pair<Integer, Integer> getCategoryIdAndPageIdFromPagePosition(int position) {
+            int sum = 0;
+            for (CategoryProperties properties : mShownCategories) {
+                final int temp = sum;
+                sum += properties.mPageCount;
+                if (sum > position) {
+                    return new Pair<Integer, Integer>(properties.mCategoryId, position - temp);
+                }
+            }
+            return null;
+        }
+
+        // Returns a keyboard from the view pager's page position.
+        public DynamicGridKeyboard getKeyboardFromPagePosition(int position) {
+            final Pair<Integer, Integer> categoryAndId =
+                    getCategoryIdAndPageIdFromPagePosition(position);
+            if (categoryAndId != null) {
+                return getKeyboard(categoryAndId.first, categoryAndId.second);
+            }
+            return null;
+        }
+
+        public DynamicGridKeyboard getKeyboard(int categoryId, int id) {
+            synchronized(mCategoryKeyboardMap) {
+                final long key = (((long) categoryId) << Constants.MAX_INT_BIT_COUNT) | id;
+                final DynamicGridKeyboard kbd;
+                if (!mCategoryKeyboardMap.containsKey(key)) {
+                    if (categoryId != CATEGORY_ID_RECENTS) {
+                        final Keyboard keyboard =
+                                mLayoutSet.getKeyboard(sCategoryElementId[categoryId]);
+                        final Key[][] sortedKeys = sortKeys(keyboard.getKeys(), mMaxPageKeyCount);
+                        for (int i = 0; i < sortedKeys.length; ++i) {
+                            final DynamicGridKeyboard tempKbd = new DynamicGridKeyboard(mPrefs,
+                                    mLayoutSet.getKeyboard(KeyboardId.ELEMENT_EMOJI_RECENTS),
+                                    mMaxPageKeyCount, categoryId, i /* categoryPageId */);
+                            for (Key emojiKey : sortedKeys[i]) {
+                                if (emojiKey == null) {
+                                    break;
+                                }
+                                tempKbd.addKeyLast(emojiKey);
+                            }
+                            mCategoryKeyboardMap.put((((long) categoryId)
+                                    << Constants.MAX_INT_BIT_COUNT) | i, tempKbd);
+                        }
+                        kbd = mCategoryKeyboardMap.get(key);
+                    } else {
+                        kbd = new DynamicGridKeyboard(mPrefs,
+                                mLayoutSet.getKeyboard(KeyboardId.ELEMENT_EMOJI_RECENTS),
+                                mMaxPageKeyCount, categoryId, 0 /* categoryPageId */);
+                        mCategoryKeyboardMap.put(key, kbd);
+                    }
+                } else {
+                    kbd = mCategoryKeyboardMap.get(key);
+                }
+                return kbd;
+            }
+        }
+
+        public int getTotalPageCountOfAllCategories() {
+            int sum = 0;
+            for (CategoryProperties properties : mShownCategories) {
+                sum += properties.mPageCount;
+            }
+            return sum;
+        }
+
+        private Key[][] sortKeys(Key[] inKeys, int maxPageCount) {
+            Key[] keys = Arrays.copyOf(inKeys, inKeys.length);
+            Arrays.sort(keys, 0, keys.length, new Comparator<Key>() {
+                @Override
+                public int compare(Key lhs, Key rhs) {
+                    final Rect lHitBox = lhs.getHitBox();
+                    final Rect rHitBox = rhs.getHitBox();
+                    if (lHitBox.top < rHitBox.top) {
+                        return -1;
+                    } else if (lHitBox.top > rHitBox.top) {
+                        return 1;
+                    }
+                    if (lHitBox.left < rHitBox.left) {
+                        return -1;
+                    } else if (lHitBox.left > rHitBox.left) {
+                        return 1;
+                    }
+                    if (lhs.getCode() == rhs.getCode()) {
+                        return 0;
+                    }
+                    return lhs.getCode() < rhs.getCode() ? -1 : 1;
+                }
+            });
+            final int pageCount = (keys.length - 1) / maxPageCount + 1;
+            final Key[][] retval = new Key[pageCount][maxPageCount];
+            for (int i = 0; i < keys.length; ++i) {
+                retval[i / maxPageCount][i % maxPageCount] = keys[i];
+            }
+            return retval;
+        }
+    }
+
+    private final EmojiCategory mEmojiCategory;
+
+    public EmojiPalettesView(final Context context, final AttributeSet attrs) {
+        this(context, attrs, R.attr.emojiPalettesViewStyle);
+    }
+
+    public EmojiPalettesView(final Context context, final AttributeSet attrs, final int defStyle) {
+        super(context, attrs, defStyle);
+        final TypedArray keyboardViewAttr = context.obtainStyledAttributes(attrs,
+                R.styleable.KeyboardView, defStyle, R.style.KeyboardView);
+        mKeyBackgroundId = keyboardViewAttr.getResourceId(
+                R.styleable.KeyboardView_keyBackground, 0);
+        mEmojiFunctionalKeyBackgroundId = keyboardViewAttr.getResourceId(
+                R.styleable.KeyboardView_keyBackgroundEmojiFunctional, 0);
+        keyboardViewAttr.recycle();
+        final TypedArray emojiPalettesViewAttr = context.obtainStyledAttributes(attrs,
+                R.styleable.EmojiPalettesView, defStyle, R.style.EmojiPalettesView);
+        mTabLabelColor = emojiPalettesViewAttr.getColorStateList(
+                R.styleable.EmojiPalettesView_emojiTabLabelColor);
+        emojiPalettesViewAttr.recycle();
+        final KeyboardLayoutSet.Builder builder = new KeyboardLayoutSet.Builder(
+                context, null /* editorInfo */);
+        final Resources res = context.getResources();
+        final EmojiLayoutParams emojiLp = new EmojiLayoutParams(res);
+        builder.setSubtype(SubtypeSwitcher.getInstance().getEmojiSubtype());
+        builder.setKeyboardGeometry(ResourceUtils.getDefaultKeyboardWidth(res),
+                emojiLp.mEmojiKeyboardHeight);
+        builder.setOptions(false, false, false /* lanuageSwitchKeyEnabled */);
+        mLayoutSet = builder.build();
+        mEmojiCategory = new EmojiCategory(PreferenceManager.getDefaultSharedPreferences(context),
+                context.getResources(), builder.build());
+        mDeleteKeyOnTouchListener = new DeleteKeyOnTouchListener(context);
+    }
+
+    @Override
+    protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
+        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
+        final Resources res = getContext().getResources();
+        // The main keyboard expands to the entire this {@link KeyboardView}.
+        final int width = ResourceUtils.getDefaultKeyboardWidth(res)
+                + getPaddingLeft() + getPaddingRight();
+        final int height = ResourceUtils.getDefaultKeyboardHeight(res)
+                + res.getDimensionPixelSize(R.dimen.suggestions_strip_height)
+                + getPaddingTop() + getPaddingBottom();
+        setMeasuredDimension(width, height);
+    }
+
+    private void addTab(final TabHost host, final int categoryId) {
+        final String tabId = mEmojiCategory.getCategoryName(categoryId, 0 /* categoryPageId */);
+        final TabHost.TabSpec tspec = host.newTabSpec(tabId);
+        tspec.setContent(R.id.emoji_keyboard_dummy);
+        if (mEmojiCategory.getCategoryIcon(categoryId) != 0) {
+            final ImageView iconView = (ImageView)LayoutInflater.from(getContext()).inflate(
+                    R.layout.emoji_keyboard_tab_icon, null);
+            iconView.setImageResource(mEmojiCategory.getCategoryIcon(categoryId));
+            tspec.setIndicator(iconView);
+        }
+        if (mEmojiCategory.getCategoryLabel(categoryId) != null) {
+            final TextView textView = (TextView)LayoutInflater.from(getContext()).inflate(
+                    R.layout.emoji_keyboard_tab_label, null);
+            textView.setText(mEmojiCategory.getCategoryLabel(categoryId));
+            textView.setTextColor(mTabLabelColor);
+            tspec.setIndicator(textView);
+        }
+        host.addTab(tspec);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        mTabHost = (TabHost)findViewById(R.id.emoji_category_tabhost);
+        mTabHost.setup();
+        for (final CategoryProperties properties : mEmojiCategory.getShownCategories()) {
+            addTab(mTabHost, properties.mCategoryId);
+        }
+        mTabHost.setOnTabChangedListener(this);
+        mTabHost.getTabWidget().setStripEnabled(true);
+
+        mEmojiPalettesAdapter = new EmojiPalettesAdapter(mEmojiCategory, mLayoutSet, this);
+
+        mEmojiPager = (ViewPager)findViewById(R.id.emoji_keyboard_pager);
+        mEmojiPager.setAdapter(mEmojiPalettesAdapter);
+        mEmojiPager.setOnPageChangeListener(this);
+        mEmojiPager.setOffscreenPageLimit(0);
+        final Resources res = getResources();
+        final EmojiLayoutParams emojiLp = new EmojiLayoutParams(res);
+        emojiLp.setPagerProperties(mEmojiPager);
+
+        mEmojiCategoryPageIndicatorView =
+                (EmojiCategoryPageIndicatorView)findViewById(R.id.emoji_category_page_id_view);
+        emojiLp.setCategoryPageIdViewProperties(mEmojiCategoryPageIndicatorView);
+
+        setCurrentCategoryId(mEmojiCategory.getCurrentCategoryId(), true /* force */);
+
+        final LinearLayout actionBar = (LinearLayout)findViewById(R.id.emoji_action_bar);
+        emojiLp.setActionBarProperties(actionBar);
+
+        final ImageView deleteKey = (ImageView)findViewById(R.id.emoji_keyboard_delete);
+        deleteKey.setTag(Constants.CODE_DELETE);
+        deleteKey.setOnTouchListener(mDeleteKeyOnTouchListener);
+        final ImageView alphabetKey = (ImageView)findViewById(R.id.emoji_keyboard_alphabet);
+        alphabetKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
+        alphabetKey.setTag(Constants.CODE_SWITCH_ALPHA_SYMBOL);
+        alphabetKey.setOnClickListener(this);
+        final ImageView spaceKey = (ImageView)findViewById(R.id.emoji_keyboard_space);
+        spaceKey.setBackgroundResource(mKeyBackgroundId);
+        spaceKey.setTag(Constants.CODE_SPACE);
+        spaceKey.setOnClickListener(this);
+        emojiLp.setKeyProperties(spaceKey);
+        final ImageView sendKey = (ImageView)findViewById(R.id.emoji_keyboard_send);
+        sendKey.setBackgroundResource(mEmojiFunctionalKeyBackgroundId);
+        sendKey.setTag(Constants.CODE_ENTER);
+        sendKey.setOnClickListener(this);
+    }
+
+    @Override
+    public void onTabChanged(final String tabId) {
+        final int categoryId = mEmojiCategory.getCategoryId(tabId);
+        setCurrentCategoryId(categoryId, false /* force */);
+        updateEmojiCategoryPageIdView();
+    }
+
+
+    @Override
+    public void onPageSelected(final int position) {
+        final Pair<Integer, Integer> newPos =
+                mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(position);
+        setCurrentCategoryId(newPos.first /* categoryId */, false /* force */);
+        mEmojiCategory.setCurrentCategoryPageId(newPos.second /* categoryPageId */);
+        updateEmojiCategoryPageIdView();
+    }
+
+    @Override
+    public void onPageScrollStateChanged(final int state) {
+        // Ignore this message. Only want the actual page selected.
+    }
+
+    @Override
+    public void onPageScrolled(final int position, final float positionOffset,
+            final int positionOffsetPixels) {
+        final Pair<Integer, Integer> newPos =
+                mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(position);
+        final int newCategoryId = newPos.first;
+        final int newCategorySize = mEmojiCategory.getCategoryPageSize(newCategoryId);
+        final int currentCategoryId = mEmojiCategory.getCurrentCategoryId();
+        final int currentCategoryPageId = mEmojiCategory.getCurrentCategoryPageId();
+        final int currentCategorySize = mEmojiCategory.getCurrentCategoryPageSize();
+        if (newCategoryId == currentCategoryId) {
+            mEmojiCategoryPageIndicatorView.setCategoryPageId(
+                    newCategorySize, newPos.second, positionOffset);
+        } else if (newCategoryId > currentCategoryId) {
+            mEmojiCategoryPageIndicatorView.setCategoryPageId(
+                    currentCategorySize, currentCategoryPageId, positionOffset);
+        } else if (newCategoryId < currentCategoryId) {
+            mEmojiCategoryPageIndicatorView.setCategoryPageId(
+                    currentCategorySize, currentCategoryPageId, positionOffset - 1);
+        }
+    }
+
+    @Override
+    public void onClick(final View v) {
+        if (v.getTag() instanceof Integer) {
+            final int code = (Integer)v.getTag();
+            registerCode(code);
+            return;
+        }
+    }
+
+    private void registerCode(final int code) {
+        mKeyboardActionListener.onPressKey(code, 0 /* repeatCount */, true /* isSinglePointer */);
+        mKeyboardActionListener.onCodeInput(code, NOT_A_COORDINATE, NOT_A_COORDINATE);
+        mKeyboardActionListener.onReleaseKey(code, false /* withSliding */);
+    }
+
+    @Override
+    public void onKeyClick(final Key key) {
+        mEmojiPalettesAdapter.addRecentKey(key);
+        mEmojiCategory.saveLastTypedCategoryPage();
+        final int code = key.getCode();
+        if (code == Constants.CODE_OUTPUT_TEXT) {
+            mKeyboardActionListener.onTextInput(key.getOutputText());
+            return;
+        }
+        registerCode(code);
+    }
+
+    public void setHardwareAcceleratedDrawingEnabled(final boolean enabled) {
+        // TODO:
+    }
+
+    public void setKeyboardActionListener(final KeyboardActionListener listener) {
+        mKeyboardActionListener = listener;
+        mDeleteKeyOnTouchListener.setKeyboardActionListener(mKeyboardActionListener);
+    }
+
+    private void updateEmojiCategoryPageIdView() {
+        if (mEmojiCategoryPageIndicatorView == null) {
+            return;
+        }
+        mEmojiCategoryPageIndicatorView.setCategoryPageId(
+                mEmojiCategory.getCurrentCategoryPageSize(),
+                mEmojiCategory.getCurrentCategoryPageId(), 0.0f /* offset */);
+    }
+
+    private void setCurrentCategoryId(final int categoryId, final boolean force) {
+        final int oldCategoryId = mEmojiCategory.getCurrentCategoryId();
+        if (oldCategoryId == categoryId && !force) {
+            return;
+        }
+
+        if (oldCategoryId == CATEGORY_ID_RECENTS) {
+            // Needs to save pending updates for recent keys when we get out of the recents
+            // category because we don't want to move the recent emojis around while the user
+            // is in the recents category.
+            mEmojiKeyboardAdapter.flushPendingRecentKeys();
+        }
+
+        mEmojiCategory.setCurrentCategoryId(categoryId);
+        final int newTabId = mEmojiCategory.getTabIdFromCategoryId(categoryId);
+        final int newCategoryPageId = mEmojiCategory.getPageIdFromCategoryId(categoryId);
+        if (force || mEmojiCategory.getCategoryIdAndPageIdFromPagePosition(
+                mEmojiPager.getCurrentItem()).first != categoryId) {
+            mEmojiPager.setCurrentItem(newCategoryPageId, false /* smoothScroll */);
+        }
+        if (force || mTabHost.getCurrentTab() != newTabId) {
+            mTabHost.setCurrentTab(newTabId);
+        }
+    }
+
+    private static class EmojiPalettesAdapter extends PagerAdapter {
+        private final ScrollKeyboardView.OnKeyClickListener mListener;
+        private final DynamicGridKeyboard mRecentsKeyboard;
+        private final SparseArray<ScrollKeyboardView> mActiveKeyboardView =
+                CollectionUtils.newSparseArray();
+        private final EmojiCategory mEmojiCategory;
+        private int mActivePosition = 0;
+
+        public EmojiPalettesAdapter(final EmojiCategory emojiCategory,
+                final KeyboardLayoutSet layoutSet,
+                final ScrollKeyboardView.OnKeyClickListener listener) {
+            mEmojiCategory = emojiCategory;
+            mListener = listener;
+            mRecentsKeyboard = mEmojiCategory.getKeyboard(CATEGORY_ID_RECENTS, 0);
+        }
+
+        public void flushPendingRecentKeys() {
+            mRecentsKeyboard.flushPendingRecentKeys();
+            final KeyboardView recentKeyboardView =
+                    mActiveKeyboardView.get(mEmojiCategory.getRecentTabId());
+            if (recentKeyboardView != null) {
+                recentKeyboardView.invalidateAllKeys();
+            }
+        }
+
+        public void addRecentKey(final Key key) {
+            if (mEmojiCategory.isInRecentTab()) {
+                mRecentsKeyboard.addPendingKey(key);
+                return;
+            }
+            mRecentsKeyboard.addKeyFirst(key);
+            final KeyboardView recentKeyboardView =
+                    mActiveKeyboardView.get(mEmojiCategory.getRecentTabId());
+            if (recentKeyboardView != null) {
+                recentKeyboardView.invalidateAllKeys();
+            }
+        }
+
+        @Override
+        public int getCount() {
+            return mEmojiCategory.getTotalPageCountOfAllCategories();
+        }
+
+        @Override
+        public void setPrimaryItem(final View container, final int position, final Object object) {
+            if (mActivePosition == position) {
+                return;
+            }
+            final ScrollKeyboardView oldKeyboardView = mActiveKeyboardView.get(mActivePosition);
+            if (oldKeyboardView != null) {
+                oldKeyboardView.releaseCurrentKey();
+                oldKeyboardView.deallocateMemory();
+            }
+            mActivePosition = position;
+        }
+
+        @Override
+        public Object instantiateItem(final ViewGroup container, final int position) {
+            final ScrollKeyboardView oldKeyboardView = mActiveKeyboardView.get(position);
+            if (oldKeyboardView != null) {
+                oldKeyboardView.deallocateMemory();
+                // This may be redundant but wanted to be safer..
+                mActiveKeyboardView.remove(position);
+            }
+            final Keyboard keyboard =
+                    mEmojiCategory.getKeyboardFromPagePosition(position);
+            final LayoutInflater inflater = LayoutInflater.from(container.getContext());
+            final View view = inflater.inflate(
+                    R.layout.emoji_keyboard_page, container, false /* attachToRoot */);
+            final ScrollKeyboardView keyboardView = (ScrollKeyboardView)view.findViewById(
+                    R.id.emoji_keyboard_page);
+            keyboardView.setKeyboard(keyboard);
+            keyboardView.setOnKeyClickListener(mListener);
+            final ScrollViewWithNotifier scrollView = (ScrollViewWithNotifier)view.findViewById(
+                    R.id.emoji_keyboard_scroller);
+            keyboardView.setScrollView(scrollView);
+            container.addView(view);
+            mActiveKeyboardView.put(position, keyboardView);
+            return view;
+        }
+
+        @Override
+        public boolean isViewFromObject(final View view, final Object object) {
+            return view == object;
+        }
+
+        @Override
+        public void destroyItem(final ViewGroup container, final int position,
+                final Object object) {
+            final ScrollKeyboardView keyboardView = mActiveKeyboardView.get(position);
+            if (keyboardView != null) {
+                keyboardView.deallocateMemory();
+                mActiveKeyboardView.remove(position);
+            }
+            container.removeView(keyboardView);
+        }
+    }
+
+    // TODO: Do the same things done in PointerTracker
+    private static class DeleteKeyOnTouchListener implements OnTouchListener {
+        private static final long MAX_REPEAT_COUNT_TIME = 30 * DateUtils.SECOND_IN_MILLIS;
+        private final int mDeleteKeyPressedBackgroundColor;
+        private final long mKeyRepeatStartTimeout;
+        private final long mKeyRepeatInterval;
+
+        public DeleteKeyOnTouchListener(Context context) {
+            final Resources res = context.getResources();
+            mDeleteKeyPressedBackgroundColor =
+                    res.getColor(R.color.emoji_key_pressed_background_color);
+            mKeyRepeatStartTimeout = res.getInteger(R.integer.config_key_repeat_start_timeout);
+            mKeyRepeatInterval = res.getInteger(R.integer.config_key_repeat_interval);
+        }
+
+        private KeyboardActionListener mKeyboardActionListener =
+                KeyboardActionListener.EMPTY_LISTENER;
+        private DummyRepeatKeyRepeatTimer mTimer;
+
+        private synchronized void startRepeat() {
+            if (mTimer != null) {
+                abortRepeat();
+            }
+            mTimer = new DummyRepeatKeyRepeatTimer();
+            mTimer.start();
+        }
+
+        private synchronized void abortRepeat() {
+            mTimer.abort();
+            mTimer = null;
+        }
+
+        // TODO: Remove
+        // This function is mimicking the repeat code in PointerTracker.
+        // Specifically referring to PointerTracker#startRepeatKey and PointerTracker#onKeyRepeat.
+        private class DummyRepeatKeyRepeatTimer extends Thread {
+            public boolean mAborted = false;
+
+            @Override
+            public void run() {
+                int repeatCount = 1;
+                int timeCount = 0;
+                while (timeCount < MAX_REPEAT_COUNT_TIME && !mAborted) {
+                    if (timeCount > mKeyRepeatStartTimeout) {
+                        pressDelete(repeatCount);
+                    }
+                    timeCount += mKeyRepeatInterval;
+                    ++repeatCount;
+                    try {
+                        Thread.sleep(mKeyRepeatInterval);
+                    } catch (InterruptedException e) {
+                    }
+                }
+            }
+
+            public void abort() {
+                mAborted = true;
+            }
+        }
+
+        public void pressDelete(int repeatCount) {
+            mKeyboardActionListener.onPressKey(
+                    Constants.CODE_DELETE, repeatCount, true /* isSinglePointer */);
+            mKeyboardActionListener.onCodeInput(
+                    Constants.CODE_DELETE, NOT_A_COORDINATE, NOT_A_COORDINATE);
+            mKeyboardActionListener.onReleaseKey(
+                    Constants.CODE_DELETE, false /* withSliding */);
+        }
+
+        public void setKeyboardActionListener(KeyboardActionListener listener) {
+            mKeyboardActionListener = listener;
+        }
+
+        @Override
+        public boolean onTouch(View v, MotionEvent event) {
+            switch(event.getAction()) {
+                case MotionEvent.ACTION_DOWN:
+                    v.setBackgroundColor(mDeleteKeyPressedBackgroundColor);
+                    pressDelete(0 /* repeatCount */);
+                    startRepeat();
+                    return true;
+                case MotionEvent.ACTION_UP:
+                    v.setBackgroundColor(0);
+                    abortRepeat();
+                    return true;
+            }
+            return false;
+        }
+    }
+}
diff --git a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
index ad6e2c0f2..4fc1082f1 100644
--- a/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
+++ b/java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
@@ -68,7 +68,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
     private InputView mCurrentInputView;
     private View mMainKeyboardFrame;
     private MainKeyboardView mKeyboardView;
-    private EmojiKeyboardView mEmojiKeyboardView;
+    private EmojiPalettesView mEmojiPalettesView;
     private LatinIME mLatinIME;
     private Resources mResources;
 
@@ -169,7 +169,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
     }
 
     private void setKeyboard(final Keyboard keyboard) {
-        // Make {@link MainKeyboardView} visible and hide {@link EmojiKeyboardView}.
+        // Make {@link MainKeyboardView} visible and hide {@link EmojiPalettesView}.
         setMainKeyboardFrame();
         final MainKeyboardView keyboardView = mKeyboardView;
         final Keyboard oldKeyboard = keyboardView.getKeyboard();
@@ -259,14 +259,14 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
 
     private void setMainKeyboardFrame() {
         mMainKeyboardFrame.setVisibility(View.VISIBLE);
-        mEmojiKeyboardView.setVisibility(View.GONE);
+        mEmojiPalettesView.setVisibility(View.GONE);
     }
 
     // Implements {@link KeyboardState.SwitchActions}.
     @Override
     public void setEmojiKeyboard() {
         mMainKeyboardFrame.setVisibility(View.GONE);
-        mEmojiKeyboardView.setVisibility(View.VISIBLE);
+        mEmojiPalettesView.setVisibility(View.VISIBLE);
     }
 
     // Implements {@link KeyboardState.SwitchActions}.
@@ -315,7 +315,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
     }
 
     public boolean isShowingEmojiKeyboard() {
-        return mEmojiKeyboardView != null && mEmojiKeyboardView.getVisibility() == View.VISIBLE;
+        return mEmojiPalettesView != null && mEmojiPalettesView.getVisibility() == View.VISIBLE;
     }
 
     public boolean isShowingMoreKeysPanel() {
@@ -327,7 +327,7 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
 
     public View getVisibleKeyboardView() {
         if (isShowingEmojiKeyboard()) {
-            return mEmojiKeyboardView;
+            return mEmojiPalettesView;
         }
         return mKeyboardView;
     }
@@ -345,15 +345,15 @@ public final class KeyboardSwitcher implements KeyboardState.SwitchActions {
         mCurrentInputView = (InputView)LayoutInflater.from(mThemeContext).inflate(
                 R.layout.input_view, null);
         mMainKeyboardFrame = mCurrentInputView.findViewById(R.id.main_keyboard_frame);
-        mEmojiKeyboardView = (EmojiKeyboardView)mCurrentInputView.findViewById(
+        mEmojiPalettesView = (EmojiPalettesView)mCurrentInputView.findViewById(
                 R.id.emoji_keyboard_view);
 
         mKeyboardView = (MainKeyboardView) mCurrentInputView.findViewById(R.id.keyboard_view);
         mKeyboardView.setHardwareAcceleratedDrawingEnabled(isHardwareAcceleratedDrawingEnabled);
         mKeyboardView.setKeyboardActionListener(mLatinIME);
-        mEmojiKeyboardView.setHardwareAcceleratedDrawingEnabled(
+        mEmojiPalettesView.setHardwareAcceleratedDrawingEnabled(
                 isHardwareAcceleratedDrawingEnabled);
-        mEmojiKeyboardView.setKeyboardActionListener(mLatinIME);
+        mEmojiPalettesView.setKeyboardActionListener(mLatinIME);
 
         // This always needs to be set since the accessibility state can
         // potentially change without the input view being re-created.
diff --git a/java/src/com/android/inputmethod/keyboard/internal/DynamicGridKeyboard.java b/java/src/com/android/inputmethod/keyboard/internal/DynamicGridKeyboard.java
index 587f95a39..08302a771 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/DynamicGridKeyboard.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/DynamicGridKeyboard.java
@@ -20,7 +20,7 @@ import android.content.SharedPreferences;
 import android.text.TextUtils;
 import android.util.Log;
 
-import com.android.inputmethod.keyboard.EmojiKeyboardView;
+import com.android.inputmethod.keyboard.EmojiPalettesView;
 import com.android.inputmethod.keyboard.Key;
 import com.android.inputmethod.keyboard.Keyboard;
 import com.android.inputmethod.latin.settings.Settings;
@@ -63,7 +63,7 @@ public class DynamicGridKeyboard extends Keyboard {
         mVerticalStep = key0.getHeight() + mVerticalGap;
         mColumnsNum = mBaseWidth / mHorizontalStep;
         mMaxKeyCount = maxKeyCount;
-        mIsRecents = categoryId == EmojiKeyboardView.CATEGORY_ID_RECENTS;
+        mIsRecents = categoryId == EmojiPalettesView.CATEGORY_ID_RECENTS;
         mPrefs = prefs;
     }
 
-- 
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