Initial split QWERTY layout

Change [2/3]

Add an attribute that's used in layout xmls for specifying
the split-keyboard layout.
This attribute will be checked/set by the KeyboardBuilder which knows about
the "splittability" of the keyboard.

Bug: 4968173
Change-Id: I5d792e570b9648e09022e9b7e92a972a161009ee

3 files changed, 222 insertions, 49 deletions

diff --git a/java/res/xml-sw600dp/key_space_3kw.xml b/java/res/xml-sw600dp/key_space_3kw.xml
new file mode 100644
index 000000000..9932d342e
--- /dev/null
+++ b/java/res/xml-sw600dp/key_space_3kw.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+**
+** Copyright 2014, 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.
+*/
+-->
+
+<merge
+    xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
+>
+    <switch>
+        <!-- fa: Perisan
+             kn: Kannada
+             ne: Nepali
+             te: Telugu -->
+        <case
+            latin:languageCode="fa|kn|ne|te"
+            latin:languageSwitchKeyEnabled="true"
+        >
+            <Key
+                latin:keyStyle="languageSwitchKeyStyle" />
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="8.0%p" />
+            <Key
+                latin:keyStyle="zwnjKeyStyle" />
+        </case>
+        <case
+            latin:languageCode="fa|kn|ne|te"
+            latin:languageSwitchKeyEnabled="false"
+        >
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="16.0%p" />
+            <Key
+                latin:keyStyle="zwnjKeyStyle" />
+        </case>
+        <case
+            latin:languageSwitchKeyEnabled="true"
+        >
+            <Key
+                latin:keyStyle="languageSwitchKeyStyle" />
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="16.0%p" />
+        </case>
+        <!-- languageSwitchKeyEnabled="false" -->
+        <default>
+            <Key
+                latin:keyStyle="spaceKeyStyle"
+                latin:keyWidth="24.0%p" />
+        </default>
+    </switch>
+</merge>
diff --git a/java/res/xml-sw600dp/row_qwerty4.xml b/java/res/xml-sw600dp/row_qwerty4.xml
index ed7150de4..bcfd2cb7f 100644
--- a/java/res/xml-sw600dp/row_qwerty4.xml
+++ b/java/res/xml-sw600dp/row_qwerty4.xml
@@ -21,23 +21,54 @@
 <merge
     xmlns:latin="http://schemas.android.com/apk/res/com.android.inputmethod.latin"
 >
-    <Row
-        latin:keyWidth="9.0%p"
-        latin:backgroundType="functional"
-    >
-        <Key
-            latin:keyStyle="toSymbolKeyStyle"
-            latin:keyWidth="10.0%p" />
-        <include
-            latin:keyboardLayout="@xml/key_comma" />
-        <!-- Space key. -->
-        <include
-            latin:keyXPos="19.0%p"
-            latin:keyboardLayout="@xml/key_space_7kw"
-            latin:backgroundType="normal" />
-        <include
-            latin:keyboardLayout="@xml/key_period" />
-        <include
-            latin:keyboardLayout="@xml/key_emoji" />
-    </Row>
+    <switch>
+        <!-- Split the 4th row for split layouts -->
+        <case
+            latin:isSplitLayout="true"
+        >
+            <Row
+                latin:keyWidth="8.0%p"
+                latin:backgroundType="functional"
+            >
+                <Key
+                    latin:keyStyle="toSymbolKeyStyle" />
+                <include
+                    latin:keyboardLayout="@xml/key_comma" />
+                <!-- Space key. -->
+                <include
+                    latin:keyboardLayout="@xml/key_space_3kw"
+                    latin:backgroundType="normal" />
+                <Spacer
+                    latin:keyWidth="20.0%p" />
+                <Key
+                    latin:keyStyle="spaceKeyStyle"
+                    latin:keyWidth="24.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/key_period" />
+                <include
+                    latin:keyboardLayout="@xml/key_emoji" />
+            </Row>
+        </case>
+        <default>
+            <Row
+                latin:keyWidth="9.0%p"
+                latin:backgroundType="functional"
+            >
+                <Key
+                    latin:keyStyle="toSymbolKeyStyle"
+                    latin:keyWidth="10.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/key_comma" />
+                <!-- Space key. -->
+                <include
+                    latin:keyXPos="19.0%p"
+                    latin:keyboardLayout="@xml/key_space_7kw"
+                    latin:backgroundType="normal" />
+                <include
+                    latin:keyboardLayout="@xml/key_period" />
+                <include
+                    latin:keyboardLayout="@xml/key_emoji" />
+            </Row>
+        </default>
+    </switch>
 </merge>
diff --git a/java/res/xml-sw600dp/rows_qwerty.xml b/java/res/xml-sw600dp/rows_qwerty.xml
index 58ba1d713..51df4b0cc 100644
--- a/java/res/xml-sw600dp/rows_qwerty.xml
+++ b/java/res/xml-sw600dp/rows_qwerty.xml
@@ -23,39 +23,114 @@
 >
     <include
         latin:keyboardLayout="@xml/key_styles_common" />
-    <Row
-        latin:keyWidth="9.0%p"
-    >
-        <include
-            latin:keyboardLayout="@xml/rowkeys_qwerty1" />
-        <Key
-            latin:keyStyle="deleteKeyStyle"
-            latin:keyWidth="fillRight" />
+    <!-- TODO: Consolidate the layout specification between protrait and landscape.
+         Ideally just the keyWidth should be different and the spacer should adjust to fill
+         the available space. -->
+    <!-- First row -->
+    <Row>
+        <switch>
+            <!-- Split keyboard layout for the first row -->
+            <case
+                latin:isSplitLayout="true"
+            >
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty1_left5"
+                    latin:keyWidth="8.0%p" />
+                <Spacer
+                    latin:keyWidth="10.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty1_right5"
+                    latin:keyWidth="8.0%p" />
+                <Key
+                    latin:keyStyle="deleteKeyStyle"
+                    latin:keyWidth="10.0%p" />
+            </case>
+            <!-- Regular layout for the first row -->
+            <default>
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty1"
+                    latin:keyWidth="9.0%p" />
+                <Key
+                    latin:keyStyle="deleteKeyStyle"
+                    latin:keyWidth="fillRight" />
+            </default>
+        </switch>
     </Row>
-    <Row
-        latin:keyWidth="9.0%p"
-    >
-        <include
-            latin:keyboardLayout="@xml/rowkeys_qwerty2"
-            latin:keyXPos="4.5%p" />
-        <Key
-            latin:keyStyle="enterKeyStyle"
-            latin:keyWidth="fillRight" />
+    <!-- Second row -->
+    <Row>
+        <switch>
+            <!-- Split keyboard layout for the second row -->
+            <case
+                latin:isSplitLayout="true"
+            >
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty2_left5"
+                    latin:keyXPos="4.0%p"
+                    latin:keyWidth="8.0%p" />
+                <Spacer
+                    latin:keyWidth="14.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty2_right4"
+                    latin:keyWidth="8.0%p" />
+                <Key
+                    latin:keyStyle="enterKeyStyle"
+                    latin:keyWidth="10.0%p" />
+            </case>
+            <!-- Regular layout for the second row -->
+            <default>
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty2"
+                    latin:keyXPos="4.5%p"
+                    latin:keyWidth="9.0%p" />
+                <Key
+                    latin:keyStyle="enterKeyStyle"
+                    latin:keyWidth="fillRight" />
+            </default>
+        </switch>
     </Row>
-    <Row
-        latin:keyWidth="9.0%p"
-    >
-        <Key
-            latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="10.0%p" />
-        <include
-            latin:keyboardLayout="@xml/rowkeys_qwerty3" />
-        <include
-            latin:keyboardLayout="@xml/keys_exclamation_question" />
-        <Key
-            latin:keyStyle="shiftKeyStyle"
-            latin:keyWidth="fillRight" />
+    <!-- Third row -->
+    <Row>
+        <switch>
+            <!-- Split keyboard layout for the third row -->
+            <case
+                latin:isSplitLayout="true"
+            >
+                <Key
+                    latin:keyStyle="shiftKeyStyle"
+                    latin:keyWidth="10.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty3_left4"
+                    latin:keyWidth="8.0%p" />
+                <Spacer
+                    latin:keyWidth="8.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty3_right3"
+                    latin:keyWidth="8.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/keys_exclamation_question"
+                    latin:keyWidth="8.0%p" />
+                <Key
+                    latin:keyStyle="shiftKeyStyle"
+                    latin:keyWidth="10.0%p" />
+            </case>
+            <!-- Regular layout for the third row -->
+            <default>
+                <Key
+                    latin:keyStyle="shiftKeyStyle"
+                    latin:keyWidth="10.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/rowkeys_qwerty3"
+                    latin:keyWidth="9.0%p" />
+                <include
+                    latin:keyboardLayout="@xml/keys_exclamation_question"
+                    latin:keyWidth="9.0%p" />
+                <Key
+                    latin:keyStyle="shiftKeyStyle"
+                    latin:keyWidth="fillRight" />
+            </default>
+        </switch>
     </Row>
+    <!-- Fourth row -->
     <include
         latin:keyboardLayout="@xml/row_qwerty4" />
 </merge>