Add keyboard margin options to place the keyboard dynamically.

Keyboard location and location can now be set in the debug options
section.

Change-Id: I87c5a1d679489e12dccf26632c399af28087629e

7 files changed, 85 insertions, 16 deletions

diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 44dffa44e..e20ec88fa 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -100,6 +100,7 @@ import com.android.inputmethod.latin.utils.ImportantNoticeUtils;
 import com.android.inputmethod.latin.utils.IntentUtils;
 import com.android.inputmethod.latin.utils.JniUtils;
 import com.android.inputmethod.latin.utils.LeakGuardHandlerWrapper;
+import com.android.inputmethod.latin.utils.ResourceUtils;
 import com.android.inputmethod.latin.utils.StatsUtils;
 import com.android.inputmethod.latin.utils.StatsUtilsManager;
 import com.android.inputmethod.latin.utils.SubtypeLocaleUtils;
@@ -1211,6 +1212,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
             return;
         }
         final SettingsValues settingsValues = mSettings.getCurrent();
+        final Resources res = getResources();
         final View visibleKeyboardView = mKeyboardSwitcher.getVisibleKeyboardView();
         if (visibleKeyboardView == null || !hasSuggestionStripView()) {
             return;
@@ -1228,13 +1230,15 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         final int suggestionsHeight = (!mKeyboardSwitcher.isShowingEmojiPalettes()
                 && mSuggestionStripView.getVisibility() == View.VISIBLE)
                 ? mSuggestionStripView.getHeight() : 0;
-        final int visibleTopY = inputHeight - visibleKeyboardView.getHeight() - suggestionsHeight;
+        final int visibleTopY = inputHeight
+                - ResourceUtils.getKeyboardFrameHeight(res, settingsValues)
+                - suggestionsHeight;
         mSuggestionStripView.setMoreSuggestionsHeight(visibleTopY);
         // Need to set expanded touchable region only if a keyboard view is being shown.
         if (visibleKeyboardView.isShown()) {
             final int touchLeft = 0;
             final int touchTop = mKeyboardSwitcher.isShowingMoreKeysPanel() ? 0 : visibleTopY;
-            final int touchRight = visibleKeyboardView.getWidth();
+            final int touchRight = ResourceUtils.getKeyboardFrameWidth(res);
             final int touchBottom = inputHeight
                     // Extend touchable region below the keyboard.
                     + EXTENDED_TOUCHABLE_REGION_HEIGHT;
diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
index 6fffb8e9d..eff7bde5d 100644
--- a/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettings.java
@@ -31,6 +31,9 @@ public final class DebugSettings {
             "pref_has_custom_key_preview_animation_params";
     public static final String PREF_RESIZE_KEYBOARD = "pref_resize_keyboard";
     public static final String PREF_KEYBOARD_HEIGHT_SCALE = "pref_keyboard_height_scale";
+    public static final String PREF_KEYBOARD_BOTTOM_MARGIN = "pref_keyboard_bottom_margin";
+    public static final String PREF_KEYBOARD_LEFT_MARGIN = "pref_keyboard_left_margin";
+    public static final String PREF_KEYBOARD_RIGHT_MARGIN = "pref_keyboard_right_margin";
     public static final String PREF_KEY_PREVIEW_DISMISS_DURATION =
             "pref_key_preview_dismiss_duration";
     public static final String PREF_KEY_PREVIEW_DISMISS_END_X_SCALE =
diff --git a/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java b/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java
index b788d7fcf..779bf47c9 100644
--- a/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java
+++ b/java/src/com/android/inputmethod/latin/settings/DebugSettingsFragment.java
@@ -89,8 +89,14 @@ public final class DebugSettingsFragment extends SubScreenFragment
                 defaultKeyPreviewDismissEndScale);
         setupKeyPreviewAnimationScale(DebugSettings.PREF_KEY_PREVIEW_DISMISS_END_Y_SCALE,
                 defaultKeyPreviewDismissEndScale);
-        setupKeyboardHeight(
+        setupKeyboardScale(
                 DebugSettings.PREF_KEYBOARD_HEIGHT_SCALE, SettingsValues.DEFAULT_SIZE_SCALE);
+        setupKeyboardScale(
+            DebugSettings.PREF_KEYBOARD_BOTTOM_MARGIN, SettingsValues.DEFAULT_MARGIN_SCALE);
+        setupKeyboardScale(
+            DebugSettings.PREF_KEYBOARD_LEFT_MARGIN, SettingsValues.DEFAULT_MARGIN_SCALE);
+        setupKeyboardScale(
+            DebugSettings.PREF_KEYBOARD_RIGHT_MARGIN, SettingsValues.DEFAULT_MARGIN_SCALE);
 
         mServiceNeedsRestart = false;
         mDebugMode = (TwoStatePreference) findPreference(DebugSettings.PREF_DEBUG_MODE);
@@ -253,7 +259,7 @@ public final class DebugSettingsFragment extends SubScreenFragment
         });
     }
 
-    private void setupKeyboardHeight(final String prefKey, final float defaultValue) {
+    private void setupKeyboardScale(final String prefKey, final float defaultValue) {
         final SharedPreferences prefs = getSharedPreferences();
         final SeekBarDialogPreference pref = (SeekBarDialogPreference)findPreference(prefKey);
         if (pref == null) {
@@ -281,7 +287,8 @@ public final class DebugSettingsFragment extends SubScreenFragment
 
             @Override
             public int readValue(final String key) {
-                return getPercentageFromValue(Settings.readKeyboardHeight(prefs, defaultValue));
+                return getPercentageFromValue(
+                        Settings.readKeyboardScale(prefs, key, defaultValue));
             }
 
             @Override
diff --git a/java/src/com/android/inputmethod/latin/settings/Settings.java b/java/src/com/android/inputmethod/latin/settings/Settings.java
index 0d3dab57c..196fef4cd 100644
--- a/java/src/com/android/inputmethod/latin/settings/Settings.java
+++ b/java/src/com/android/inputmethod/latin/settings/Settings.java
@@ -367,10 +367,9 @@ public final class Settings implements SharedPreferences.OnSharedPreferenceChang
         return (milliseconds != UNDEFINED_PREFERENCE_VALUE_INT) ? milliseconds : defaultValue;
     }
 
-    public static float readKeyboardHeight(final SharedPreferences prefs,
-            final float defaultValue) {
-        final float percentage = prefs.getFloat(
-                DebugSettings.PREF_KEYBOARD_HEIGHT_SCALE, UNDEFINED_PREFERENCE_VALUE_FLOAT);
+    public static float readKeyboardScale(final SharedPreferences prefs,
+            final String prefKey, final float defaultValue) {
+        final float percentage = prefs.getFloat(prefKey, UNDEFINED_PREFERENCE_VALUE_FLOAT);
         return (percentage != UNDEFINED_PREFERENCE_VALUE_FLOAT) ? percentage : defaultValue;
     }
 
diff --git a/java/src/com/android/inputmethod/latin/settings/SettingsValues.java b/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
index 5f1a7af44..99e0565ca 100644
--- a/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
+++ b/java/src/com/android/inputmethod/latin/settings/SettingsValues.java
@@ -50,6 +50,7 @@ public class SettingsValues {
     private static final String FLOAT_NEGATIVE_INFINITY_MARKER_STRING = "floatNegativeInfinity";
     private static final int TIMEOUT_TO_GET_TARGET_PACKAGE = 5; // seconds
     public static final float DEFAULT_SIZE_SCALE = 1.0f; // 100%
+    public static final float DEFAULT_MARGIN_SCALE = 0.0f; // 0%
 
     // From resources:
     public final SpacingAndPunctuations mSpacingAndPunctuations;
@@ -113,6 +114,9 @@ public class SettingsValues {
     public final boolean mHasCustomKeyPreviewAnimationParams;
     public final boolean mHasKeyboardResize;
     public final float mKeyboardHeightScale;
+    public final float mKeyboardBottomMarginScale;
+    public final float mKeyboardLeftMarginScale;
+    public final float mKeyboardRightMarginScale;
     public final int mKeyPreviewShowUpDuration;
     public final int mKeyPreviewDismissDuration;
     public final float mKeyPreviewShowUpStartXScale;
@@ -190,7 +194,14 @@ public class SettingsValues {
         mHasCustomKeyPreviewAnimationParams = prefs.getBoolean(
                 DebugSettings.PREF_HAS_CUSTOM_KEY_PREVIEW_ANIMATION_PARAMS, false);
         mHasKeyboardResize = prefs.getBoolean(DebugSettings.PREF_RESIZE_KEYBOARD, false);
-        mKeyboardHeightScale = Settings.readKeyboardHeight(prefs, DEFAULT_SIZE_SCALE);
+        mKeyboardHeightScale = Settings.readKeyboardScale(
+                prefs, DebugSettings.PREF_KEYBOARD_HEIGHT_SCALE, DEFAULT_SIZE_SCALE);
+        mKeyboardBottomMarginScale = Settings.readKeyboardScale(
+                prefs, DebugSettings.PREF_KEYBOARD_BOTTOM_MARGIN, DEFAULT_MARGIN_SCALE);
+        mKeyboardLeftMarginScale = Settings.readKeyboardScale(
+                prefs, DebugSettings.PREF_KEYBOARD_LEFT_MARGIN, DEFAULT_MARGIN_SCALE);
+        mKeyboardRightMarginScale = Settings.readKeyboardScale(
+                prefs, DebugSettings.PREF_KEYBOARD_RIGHT_MARGIN, DEFAULT_MARGIN_SCALE);
         mKeyPreviewShowUpDuration = Settings.readKeyPreviewAnimationDuration(
                 prefs, DebugSettings.PREF_KEY_PREVIEW_SHOW_UP_DURATION,
                 res.getInteger(R.integer.config_key_preview_show_up_duration));
diff --git a/java/src/com/android/inputmethod/latin/utils/DistracterFilterCheckingExactMatchesAndSuggestions.java b/java/src/com/android/inputmethod/latin/utils/DistracterFilterCheckingExactMatchesAndSuggestions.java
index 9c6a94810..0c01a737c 100644
--- a/java/src/com/android/inputmethod/latin/utils/DistracterFilterCheckingExactMatchesAndSuggestions.java
+++ b/java/src/com/android/inputmethod/latin/utils/DistracterFilterCheckingExactMatchesAndSuggestions.java
@@ -143,7 +143,7 @@ public class DistracterFilterCheckingExactMatchesAndSuggestions implements Distr
         final KeyboardLayoutSet.Builder builder = new KeyboardLayoutSet.Builder(
                 mContext, editorInfo);
         final Resources res = mContext.getResources();
-        final int keyboardWidth = ResourceUtils.getDefaultKeyboardWidth(res);
+        final int keyboardWidth = ResourceUtils.getKeyboardFrameWidth(res);
         final int keyboardHeight = ResourceUtils.getDefaultKeyboardHeight(res);
         builder.setKeyboardGeometry(keyboardWidth, keyboardHeight);
         builder.setSubtype(new RichInputMethodSubtype(subtype));
diff --git a/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java b/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
index cc0d470df..0a757877a 100644
--- a/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/ResourceUtils.java
@@ -182,18 +182,63 @@ public final class ResourceUtils {
         return matchedAll;
     }
 
-    public static int getDefaultKeyboardWidth(final Resources res) {
+    public static int getKeyboardFrameWidth(final Resources res) {
         final DisplayMetrics dm = res.getDisplayMetrics();
         return dm.widthPixels;
     }
 
+    public static int getKeyboardWidth(final Resources res, final SettingsValues settingsValues) {
+        final int frameWidth = getKeyboardFrameWidth(res);
+        if (settingsValues.mHasKeyboardResize) {
+            final float widthFraction = 1f - settingsValues.mKeyboardLeftMarginScale
+                    - settingsValues.mKeyboardRightMarginScale;
+            return (int)(frameWidth * widthFraction);
+        }
+        return frameWidth;
+    }
+
+    public static int getKeyboardFrameHeight(final Resources res,
+            final SettingsValues settingsValues) {
+        if (settingsValues.mHasKeyboardResize) {
+            return getKeyboardHeight(res, settingsValues)
+                    + getKeyboardBottomMargin(res, settingsValues);
+        }
+        return getDefaultKeyboardHeight(res);
+    }
+
     public static int getKeyboardHeight(final Resources res, final SettingsValues settingsValues) {
-        final int defaultKeyboardHeight = getDefaultKeyboardHeight(res);
+        final int keyboardHeight = getDefaultKeyboardHeight(res);
+        if (settingsValues.mHasKeyboardResize) {
+            return (int)(keyboardHeight * settingsValues.mKeyboardHeightScale);
+        }
+        return keyboardHeight;
+    }
+
+    public static int getKeyboardLeftMargin(
+            final Resources res, final SettingsValues settingsValues) {
+        if (settingsValues.mHasKeyboardResize) {
+          final int frameWidth = getKeyboardFrameWidth(res);
+            return (int)(frameWidth * settingsValues.mKeyboardLeftMarginScale);
+        }
+        return 0;
+    }
+
+    public static int getKeyboardRightMargin(
+            final Resources res, final SettingsValues settingsValues) {
+        if (settingsValues.mHasKeyboardResize) {
+            final int frameWidth = getKeyboardFrameWidth(res);
+            return (int)(frameWidth * settingsValues.mKeyboardRightMarginScale);
+        }
+        return 0;
+    }
+
+    public static int getKeyboardBottomMargin(
+            final Resources res, final SettingsValues settingsValues) {
         if (settingsValues.mHasKeyboardResize) {
-            // mKeyboardHeightScale Ranges from [.5,1.2], from xml/prefs_screen_debug.xml
-            return (int)(defaultKeyboardHeight * settingsValues.mKeyboardHeightScale);
+            final int defaultHeight = getDefaultKeyboardHeight(res);
+            return (int)(defaultHeight * settingsValues.mKeyboardBottomMarginScale);
         }
-        return defaultKeyboardHeight;
+        return 0;
     }
 
     public static int getDefaultKeyboardHeight(final Resources res) {