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Refactor KeyboardSwitch.KeyboardId class

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This change defers determining which keyboard should be loaded and
holds the information in KeyboardId object as much as possible.  At
keyboard loading time, the determination deferred will be made
depending on the information of KeyboardId.

Change-Id: Ice2455d9e5b21671a250c342c06c043e4baa5355
This commit is contained in:
Tadashi G. Takaoka 2010-11-10 18:57:33 -08:00
parent 507495efd5
commit 48bc6b158b
1 changed files with 89 additions and 86 deletions
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175
java/src/com/android/inputmethod/latin/KeyboardSwitcher.java
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@ -39,12 +39,12 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
public static final int MODE_NONE = -1;
// Main keyboard layouts without the settings key
public static final int KEYBOARDMODE_NORMAL = R.id.mode_normal;
public static final int KEYBOARDMODE_URL = R.id.mode_url;
public static final int KEYBOARDMODE_EMAIL = R.id.mode_email;
public static final int KEYBOARDMODE_IM = R.id.mode_im;
public static final int KEYBOARDMODE_WEB = R.id.mode_webentry;
public static final int[] QWERTY_MODES = {
private static final int KEYBOARDMODE_NORMAL = R.id.mode_normal;
private static final int KEYBOARDMODE_URL = R.id.mode_url;
private static final int KEYBOARDMODE_EMAIL = R.id.mode_email;
private static final int KEYBOARDMODE_IM = R.id.mode_im;
private static final int KEYBOARDMODE_WEB = R.id.mode_webentry;
private static final int[] QWERTY_MODES = {
KEYBOARDMODE_NORMAL,
KEYBOARDMODE_URL,
KEYBOARDMODE_EMAIL,
@ -52,31 +52,34 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
KEYBOARDMODE_WEB,
0 /* for MODE_PHONE */ };
// Main keyboard layouts with the settings key
public static final int KEYBOARDMODE_NORMAL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_NORMAL_WITH_SETTINGS_KEY =
R.id.mode_normal_with_settings_key;
public static final int KEYBOARDMODE_URL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_URL_WITH_SETTINGS_KEY =
R.id.mode_url_with_settings_key;
public static final int KEYBOARDMODE_EMAIL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_EMAIL_WITH_SETTINGS_KEY =
R.id.mode_email_with_settings_key;
public static final int KEYBOARDMODE_IM_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_IM_WITH_SETTINGS_KEY =
R.id.mode_im_with_settings_key;
public static final int KEYBOARDMODE_WEB_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_WEB_WITH_SETTINGS_KEY =
R.id.mode_webentry_with_settings_key;
public static final int[] QWERTY_WITH_SETTINGS_KEY_MODES = {
private static final int[] QWERTY_WITH_SETTINGS_KEY_MODES = {
KEYBOARDMODE_NORMAL_WITH_SETTINGS_KEY,
KEYBOARDMODE_URL_WITH_SETTINGS_KEY,
KEYBOARDMODE_EMAIL_WITH_SETTINGS_KEY,
KEYBOARDMODE_IM_WITH_SETTINGS_KEY,
KEYBOARDMODE_WEB_WITH_SETTINGS_KEY,
0 /* for MODE_PHONE */ };
private static final int[][] QWERTY_KEYBOARD_MODES = {
QWERTY_MODES, QWERTY_WITH_SETTINGS_KEY_MODES
};
// Symbols keyboard layouts without the settings key
public static final int KEYBOARDMODE_SYMBOLS_NORMAL = R.id.mode_symbols_normal;
public static final int KEYBOARDMODE_SYMBOLS_URL = R.id.mode_symbols_url;
public static final int KEYBOARDMODE_SYMBOLS_EMAIL = R.id.mode_symbols_email;
public static final int KEYBOARDMODE_SYMBOLS_IM = R.id.mode_symbols_im;
public static final int KEYBOARDMODE_SYMBOLS_WEB = R.id.mode_symbols_webentry;
public static final int[] SYMBOLS_MODES = {
private static final int KEYBOARDMODE_SYMBOLS_NORMAL = R.id.mode_symbols_normal;
private static final int KEYBOARDMODE_SYMBOLS_URL = R.id.mode_symbols_url;
private static final int KEYBOARDMODE_SYMBOLS_EMAIL = R.id.mode_symbols_email;
private static final int KEYBOARDMODE_SYMBOLS_IM = R.id.mode_symbols_im;
private static final int KEYBOARDMODE_SYMBOLS_WEB = R.id.mode_symbols_webentry;
private static final int[] SYMBOLS_MODES = {
KEYBOARDMODE_SYMBOLS_NORMAL,
KEYBOARDMODE_SYMBOLS_URL,
KEYBOARDMODE_SYMBOLS_EMAIL,
@ -84,23 +87,26 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
KEYBOARDMODE_SYMBOLS_WEB,
0 /* for MODE_PHONE */ };
// Symbols keyboard layouts with the settings key
public static final int KEYBOARDMODE_SYMBOLS_NORMAL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_SYMBOLS_NORMAL_WITH_SETTINGS_KEY =
R.id.mode_symbols_normal_with_settings_key;
public static final int KEYBOARDMODE_SYMBOLS_URL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_SYMBOLS_URL_WITH_SETTINGS_KEY =
R.id.mode_symbols_url_with_settings_key;
public static final int KEYBOARDMODE_SYMBOLS_EMAIL_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_SYMBOLS_EMAIL_WITH_SETTINGS_KEY =
R.id.mode_symbols_email_with_settings_key;
public static final int KEYBOARDMODE_SYMBOLS_IM_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_SYMBOLS_IM_WITH_SETTINGS_KEY =
R.id.mode_symbols_im_with_settings_key;
public static final int KEYBOARDMODE_SYMBOLS_WEB_WITH_SETTINGS_KEY =
private static final int KEYBOARDMODE_SYMBOLS_WEB_WITH_SETTINGS_KEY =
R.id.mode_symbols_webentry_with_settings_key;
public static final int[] SYMBOLS_WITH_SETTINGS_KEY_MODES = {
private static final int[] SYMBOLS_WITH_SETTINGS_KEY_MODES = {
KEYBOARDMODE_SYMBOLS_NORMAL_WITH_SETTINGS_KEY,
KEYBOARDMODE_SYMBOLS_URL_WITH_SETTINGS_KEY,
KEYBOARDMODE_SYMBOLS_EMAIL_WITH_SETTINGS_KEY,
KEYBOARDMODE_SYMBOLS_IM_WITH_SETTINGS_KEY,
KEYBOARDMODE_SYMBOLS_WEB_WITH_SETTINGS_KEY,
0 /* for MODE_PHONE */ };
private static final int[][] SYMBOLS_KEYBOARD_MODES = {
SYMBOLS_MODES, SYMBOLS_WITH_SETTINGS_KEY_MODES
};
public static final String DEFAULT_LAYOUT_ID = "4";
public static final String PREF_KEYBOARD_LAYOUT = "pref_keyboard_layout_20100902";
@ -127,18 +133,6 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
private static final int SYMBOLS_MODE_STATE_SYMBOL = 2;
private LatinKeyboardView mInputView;
private static final int[] ALPHABET_MODES = {
KEYBOARDMODE_NORMAL,
KEYBOARDMODE_URL,
KEYBOARDMODE_EMAIL,
KEYBOARDMODE_IM,
KEYBOARDMODE_WEB,
KEYBOARDMODE_NORMAL_WITH_SETTINGS_KEY,
KEYBOARDMODE_URL_WITH_SETTINGS_KEY,
KEYBOARDMODE_EMAIL_WITH_SETTINGS_KEY,
KEYBOARDMODE_IM_WITH_SETTINGS_KEY,
KEYBOARDMODE_WEB_WITH_SETTINGS_KEY };
private final LatinIME mInputMethodService;
private KeyboardId mSymbolsId;
@ -198,17 +192,17 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
}
private KeyboardId makeSymbolsId(boolean voiceButtonEnabled) {
final Configuration conf = mInputMethodService.getResources().getConfiguration();
final int mode = mMode == MODE_NONE ? MODE_TEXT : mMode;
return new KeyboardId(KBD_SYMBOLS[getCharColorId()], mHasSettingsKey ?
SYMBOLS_WITH_SETTINGS_KEY_MODES[mode] : SYMBOLS_MODES[mode],
false, voiceButtonEnabled);
return new KeyboardId(mInputLocale, conf.orientation, SYMBOLS_KEYBOARD_MODES, mode,
KBD_SYMBOLS, getCharColorId(), mHasSettingsKey, voiceButtonEnabled, false);
}
private KeyboardId makeSymbolsShiftedId(boolean voiceButtonEnabled) {
final Configuration conf = mInputMethodService.getResources().getConfiguration();
final int mode = mMode == MODE_NONE ? MODE_TEXT : mMode;
return new KeyboardId(KBD_SYMBOLS_SHIFT[getCharColorId()], mHasSettingsKey ?
SYMBOLS_WITH_SETTINGS_KEY_MODES[mode] : SYMBOLS_MODES[mode],
false, voiceButtonEnabled);
return new KeyboardId(mInputLocale, conf.orientation, SYMBOLS_KEYBOARD_MODES, mode,
KBD_SYMBOLS_SHIFT, getCharColorId(), mHasSettingsKey, voiceButtonEnabled, false);
}
private void makeSymbolsKeyboardIds() {
@ -233,22 +227,34 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
* which also serve as a unique identifier for each keyboard type.
*/
private static class KeyboardId {
// TODO: should have locale and portrait/landscape orientation?
public final int mXml;
public final int mKeyboardMode; /** A KEYBOARDMODE_XXX value */
public final boolean mEnableShiftLock;
public final Locale mLocale;
public final int mOrientation;
public final int[][] mKeyboardModes;
public final int mMode;
public final int[] mXmlArray;
public final int mColorScheme;
public final boolean mHasSettings;
public final boolean mVoiceButtonEnabled;
public final boolean mEnableShiftLock;
private final int mHashCode;
public KeyboardId(int xml, int mode, boolean enableShiftLock, boolean voiceButtonEnabled) {
this.mXml = xml;
this.mKeyboardMode = mode;
this.mEnableShiftLock = enableShiftLock;
public KeyboardId(Locale locale, int orientation, int[][] keyboardModes, int mode,
int[] xmlArray, int colorScheme, boolean hasSettings, boolean voiceButtonEnabled,
boolean enableShiftLock) {
this.mLocale = locale;
this.mOrientation = orientation;
this.mKeyboardModes = keyboardModes;
this.mMode = mode;
this.mXmlArray = xmlArray;
this.mColorScheme = colorScheme;
this.mHasSettings = hasSettings;
this.mVoiceButtonEnabled = voiceButtonEnabled;
this.mEnableShiftLock = enableShiftLock;
this.mHashCode = Arrays.hashCode(new Object[] {
xml, mode, enableShiftLock, voiceButtonEnabled
locale, orientation, keyboardModes, mode, xmlArray, colorScheme, hasSettings,
voiceButtonEnabled, enableShiftLock,
});
}
@ -258,10 +264,15 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
}
private boolean equals(KeyboardId other) {
return other.mXml == this.mXml
&& other.mKeyboardMode == this.mKeyboardMode
&& other.mEnableShiftLock == this.mEnableShiftLock
&& other.mVoiceButtonEnabled == this.mVoiceButtonEnabled;
return other.mLocale.equals(this.mLocale)
&& other.mOrientation == this.mOrientation
&& other.mKeyboardModes == this.mKeyboardModes
&& other.mMode == this.mMode
&& other.mXmlArray == this.mXmlArray
&& other.mColorScheme == this.mColorScheme
&& other.mHasSettings == this.mHasSettings
&& other.mVoiceButtonEnabled == this.mVoiceButtonEnabled
&& other.mEnableShiftLock == this.mEnableShiftLock;
}
@Override
@ -270,7 +281,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
}
}
private boolean hasVoiceButton(boolean isSymbols) {
private boolean isVoiceButtonEnabled(boolean isSymbols) {
return mVoiceButtonEnabled && (isSymbols != mVoiceButtonOnPrimary);
}
@ -291,7 +302,8 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
mMode = mode;
mImeOptions = imeOptions;
makeSymbolsKeyboardIds();
if (voiceButtonEnabled != mVoiceButtonEnabled || voiceButtonOnPrimary != mVoiceButtonOnPrimary) {
if (voiceButtonEnabled != mVoiceButtonEnabled
|| voiceButtonOnPrimary != mVoiceButtonOnPrimary) {
mKeyboards.clear();
mVoiceButtonEnabled = voiceButtonEnabled;
mVoiceButtonOnPrimary = voiceButtonOnPrimary;
@ -321,14 +333,16 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
SoftReference<LatinKeyboard> ref = mKeyboards.get(id);
LatinKeyboard keyboard = (ref == null) ? null : ref.get();
if (keyboard == null) {
Resources orig = mInputMethodService.getResources();
Configuration conf = orig.getConfiguration();
Resources res = mInputMethodService.getResources();
Configuration conf = res.getConfiguration();
Locale saveLocale = conf.locale;
conf.locale = mInputLocale;
orig.updateConfiguration(conf, null);
keyboard = new LatinKeyboard(mInputMethodService, id.mXml, id.mKeyboardMode);
keyboard.setVoiceMode(hasVoiceButton(id.mXml == R.xml.kbd_symbols
|| id.mXml == R.xml.kbd_symbols_black), mVoiceButtonEnabled);
res.updateConfiguration(conf, null);
final int keyboardMode = id.mKeyboardModes[id.mHasSettings ? 1 : 0][id.mMode];
final int xml = id.mXmlArray[id.mColorScheme];
keyboard = new LatinKeyboard(mInputMethodService, xml, keyboardMode);
keyboard.setVoiceMode(isVoiceButtonEnabled(xml == R.xml.kbd_symbols
|| xml == R.xml.kbd_symbols_black), mVoiceButtonEnabled);
keyboard.setLanguageSwitcher(mLanguageSwitcher, mIsAutoCompletionActive, isBlackSym());
if (id.mEnableShiftLock) {
@ -337,17 +351,17 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
mKeyboards.put(id, new SoftReference<LatinKeyboard>(keyboard));
conf.locale = saveLocale;
orig.updateConfiguration(conf, null);
res.updateConfiguration(conf, null);
}
return keyboard;
}
private KeyboardId getKeyboardId(int mode, int imeOptions, boolean isSymbols) {
final boolean hasVoice = hasVoiceButton(isSymbols);
final boolean voiceButtonEnabled = isVoiceButtonEnabled(isSymbols);
final int charColorId = getCharColorId();
final int keyboardRowsResId;
final int[] xmlArray;
final boolean enableShiftLock;
final int keyboardMode;
final int[][] keyboardModes;
if (mode == MODE_NONE) {
LatinImeLogger.logOnWarning(
@ -355,19 +369,17 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
mode = MODE_TEXT;
}
if (isSymbols) {
keyboardRowsResId = mode == MODE_PHONE
? KBD_PHONE_SYMBOLS[charColorId] : KBD_SYMBOLS[charColorId];
keyboardModes = SYMBOLS_KEYBOARD_MODES;
xmlArray = mode == MODE_PHONE ? KBD_PHONE_SYMBOLS : KBD_SYMBOLS;
enableShiftLock = false;
keyboardMode = mHasSettingsKey
? SYMBOLS_WITH_SETTINGS_KEY_MODES[mode] : SYMBOLS_MODES[mode];
} else { // QWERTY
keyboardRowsResId = mode == MODE_PHONE
? KBD_PHONE[charColorId] : KBD_QWERTY[charColorId];
keyboardModes = QWERTY_KEYBOARD_MODES;
xmlArray = mode == MODE_PHONE ? KBD_PHONE : KBD_QWERTY;
enableShiftLock = mode == MODE_PHONE ? false : true;
keyboardMode = mHasSettingsKey
? QWERTY_WITH_SETTINGS_KEY_MODES[mode] : QWERTY_MODES[mode];
}
return new KeyboardId(keyboardRowsResId, keyboardMode, enableShiftLock, hasVoice);
final Configuration conf = mInputMethodService.getResources().getConfiguration();
return new KeyboardId(mInputLocale, conf.orientation, keyboardModes, mode, xmlArray,
charColorId, mHasSettingsKey, voiceButtonEnabled, enableShiftLock);
}
public int getKeyboardMode() {
@ -375,16 +387,7 @@ public class KeyboardSwitcher implements SharedPreferences.OnSharedPreferenceCha
}
public boolean isAlphabetMode() {
if (mCurrentId == null) {
return false;
}
int currentMode = mCurrentId.mKeyboardMode;
for (Integer mode : ALPHABET_MODES) {
if (currentMode == mode) {
return true;
}
}
return false;
return mCurrentId != null && mCurrentId.mKeyboardModes == QWERTY_KEYBOARD_MODES;
}
public void setShifted(boolean shifted) {