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Cleanup keyboard theme switching code

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Change-Id: I023769b765d07237b2129d8f1b2a02ffd4c4f09d
This commit is contained in:
Tadashi G. Takaoka 2012-03-08 16:20:22 +09:00
parent 3e2d385810
commit 411749a4ba
4 changed files with 46 additions and 42 deletions
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2
java/res/values/config.xml
View file

@ -48,7 +48,7 @@
<integer name="config_keyboard_grid_height">16</integer>
<integer name="config_double_spaces_turn_into_period_timeout">1100</integer>
<!-- This configuration is the index of the array {@link KeyboardSwitcher.KEYBOARD_THEMES}. -->
<string name="config_default_keyboard_theme_id" translatable="false">5</string>
<string name="config_default_keyboard_theme_index" translatable="false">5</string>
<integer name="config_max_more_keys_column">5</integer>
<!--
Configuration for KeyboardView

6
java/res/values/styles.xml
View file

@ -17,6 +17,7 @@
<resources>
<!-- Theme "Basic" -->
<style name="Keyboard">
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">0</item>
<item name="touchPositionCorrectionData">@array/touch_position_correction_data_empty</item>
<item name="rowHeight">25%p</item>
@ -141,6 +142,7 @@
name="Keyboard.HighContrast"
parent="Keyboard"
>
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">1</item>
</style>
<style
@ -165,6 +167,7 @@
name="Keyboard.Stone"
parent="Keyboard"
>
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">6</item>
<item name="keyboardHeight">@dimen/keyboardHeight_stone</item>
<item name="keyboardTopPadding">@fraction/keyboard_top_padding_stone</item>
@ -216,6 +219,7 @@
name="Keyboard.Stone.Bold"
parent="Keyboard.Stone"
>
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">7</item>
</style>
<style
@ -239,6 +243,7 @@
name="Keyboard.Gingerbread"
parent="Keyboard"
>
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">8</item>
<item name="touchPositionCorrectionData">@array/touch_position_correction_data_gingerbread</item>
<item name="horizontalGap">@fraction/key_horizontal_gap_gb</item>
@ -281,6 +286,7 @@
name="Keyboard.IceCreamSandwich"
parent="Keyboard"
>
<!-- This should be aligned with KeyboardSwitcher.KEYBOARD_THEMES[] -->
<item name="themeId">5</item>
<item name="keyboardTopPadding">@fraction/keyboard_top_padding_ics</item>
<item name="keyboardBottomPadding">@fraction/keyboard_bottom_padding_ics</item>

16
java/src/com/android/inputmethod/keyboard/Keyboard.java
View file

@ -388,21 +388,7 @@ public class Keyboard {
}
}
// TODO: Move this method to KeyboardSwitcher.
public static String toThemeName(int themeId) {
// This should be aligned with theme-*.xml resource files' themeId attribute.
switch (themeId) {
case 0: return "Basic";
case 1: return "BasicHighContrast";
case 5: return "IceCreamSandwich";
case 6: return "Stone";
case 7: return "StoneBold";
case 8: return "GingerBread";
default: return null;
}
}
/**
/**
* Keyboard Building helper.
*
* This class parses Keyboard XML file and eventually build a Keyboard.

64
java/src/com/android/inputmethod/keyboard/KeyboardSwitcher.java
View file

@ -43,13 +43,26 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions {
private static final String TAG = KeyboardSwitcher.class.getSimpleName();
public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20110916";
private static final int[] KEYBOARD_THEMES = {
R.style.KeyboardTheme,
R.style.KeyboardTheme_HighContrast,
R.style.KeyboardTheme_Stone,
R.style.KeyboardTheme_Stone_Bold,
R.style.KeyboardTheme_Gingerbread,
R.style.KeyboardTheme_IceCreamSandwich,
static class KeyboardTheme {
public final String mName;
public final int mThemeId;
public final int mStyleId;
public KeyboardTheme(String name, int themeId, int styleId) {
mName = name;
mThemeId = themeId;
mStyleId = styleId;
}
}
private static final KeyboardTheme[] KEYBOARD_THEMES = {
new KeyboardTheme("Basic", 0, R.style.KeyboardTheme),
new KeyboardTheme("HighContrast", 1, R.style.KeyboardTheme_HighContrast),
new KeyboardTheme("Stone", 6, R.style.KeyboardTheme_Stone),
new KeyboardTheme("Stne.Bold", 7, R.style.KeyboardTheme_Stone_Bold),
new KeyboardTheme("GingerBread", 8, R.style.KeyboardTheme_Gingerbread),
new KeyboardTheme("IceCreamSandwich", 5, R.style.KeyboardTheme_IceCreamSandwich),
};
private SubtypeSwitcher mSubtypeSwitcher;
@ -69,7 +82,7 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions {
* what user actually typed. */
private boolean mIsAutoCorrectionActive;
private int mThemeIndex = -1;
private KeyboardTheme mKeyboardTheme = KEYBOARD_THEMES[0];
private Context mThemeContext;
private static final KeyboardSwitcher sInstance = new KeyboardSwitcher();
@ -92,29 +105,30 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions {
mPrefs = prefs;
mSubtypeSwitcher = SubtypeSwitcher.getInstance();
mState = new KeyboardState(this);
setContextThemeWrapper(ims, getKeyboardThemeIndex(ims, prefs));
setContextThemeWrapper(ims, getKeyboardTheme(ims, prefs));
mForceNonDistinctMultitouch = prefs.getBoolean(
DebugSettings.FORCE_NON_DISTINCT_MULTITOUCH_KEY, false);
}
private static int getKeyboardThemeIndex(Context context, SharedPreferences prefs) {
final String defaultThemeId = context.getString(R.string.config_default_keyboard_theme_id);
final String themeId = prefs.getString(PREF_KEYBOARD_LAYOUT, defaultThemeId);
private static KeyboardTheme getKeyboardTheme(Context context, SharedPreferences prefs) {
final String defaultIndex = context.getString(R.string.config_default_keyboard_theme_index);
final String themeIndex = prefs.getString(PREF_KEYBOARD_LAYOUT, defaultIndex);
try {
final int themeIndex = Integer.valueOf(themeId);
if (themeIndex >= 0 && themeIndex < KEYBOARD_THEMES.length)
return themeIndex;
final int index = Integer.valueOf(themeIndex);
if (index >= 0 && index < KEYBOARD_THEMES.length) {
return KEYBOARD_THEMES[index];
}
} catch (NumberFormatException e) {
// Format error, keyboard theme is default to 0.
}
Log.w(TAG, "Illegal keyboard theme in preference: " + themeId + ", default to 0");
return 0;
Log.w(TAG, "Illegal keyboard theme in preference: " + themeIndex + ", default to 0");
return KEYBOARD_THEMES[0];
}
private void setContextThemeWrapper(Context context, int themeIndex) {
if (mThemeIndex != themeIndex) {
mThemeIndex = themeIndex;
mThemeContext = new ContextThemeWrapper(context, KEYBOARD_THEMES[themeIndex]);
private void setContextThemeWrapper(Context context, KeyboardTheme keyboardTheme) {
if (mKeyboardTheme.mThemeId != keyboardTheme.mThemeId) {
mKeyboardTheme = keyboardTheme;
mThemeContext = new ContextThemeWrapper(context, keyboardTheme.mStyleId);
KeyboardSet.clearKeyboardCache();
}
}
@ -347,18 +361,16 @@ public class KeyboardSwitcher implements KeyboardState.SwitchActions {
boolean tryGC = true;
for (int i = 0; i < Utils.GCUtils.GC_TRY_LOOP_MAX && tryGC; ++i) {
try {
setContextThemeWrapper(mInputMethodService, mThemeIndex);
setContextThemeWrapper(mInputMethodService, mKeyboardTheme);
mCurrentInputView = (InputView)LayoutInflater.from(mThemeContext).inflate(
R.layout.input_view, null);
tryGC = false;
} catch (OutOfMemoryError e) {
Log.w(TAG, "load keyboard failed: " + e);
tryGC = Utils.GCUtils.getInstance().tryGCOrWait(
Keyboard.toThemeName(mThemeIndex), e);
tryGC = Utils.GCUtils.getInstance().tryGCOrWait(mKeyboardTheme.mName, e);
} catch (InflateException e) {
Log.w(TAG, "load keyboard failed: " + e);
tryGC = Utils.GCUtils.getInstance().tryGCOrWait(
Keyboard.toThemeName(mThemeIndex), e);
tryGC = Utils.GCUtils.getInstance().tryGCOrWait(mKeyboardTheme.mName, e);
}
}