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Add a functionarity to handle Subtype 

Change-Id: Ic6055ba218b64f4276e3db99a435f546c3990ee5
main
satok 2010-11-18 09:55:23 +09:00
parent 279da1da91
commit 4ab730dbd3
5 changed files with 229 additions and 78 deletions
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14
java/src/com/android/inputmethod/latin/InputLanguageSelection.java
View File

@ -37,7 +37,7 @@ public class InputLanguageSelection extends PreferenceActivity {
private String mSelectedLanguages;
private ArrayList<Loc> mAvailableLanguages = new ArrayList<Loc>();
private static final String[] BLACKLIST_LANGUAGES = {
"ko", "ja", "zh", "el"
"ko", "ja", "zh", "el", "zz"
};
private static class Loc implements Comparable<Object> {
@ -74,7 +74,7 @@ public class InputLanguageSelection extends PreferenceActivity {
for (int i = 0; i < mAvailableLanguages.size(); i++) {
CheckBoxPreference pref = new CheckBoxPreference(this);
Locale locale = mAvailableLanguages.get(i).locale;
pref.setTitle(SubtypeSwitcher.getLanguageName(locale));
pref.setTitle(SubtypeSwitcher.getFullDisplayName(locale, true));
boolean checked = isLocaleIn(locale, languageList);
pref.setChecked(checked);
if (hasDictionary(locale)) {
@ -167,7 +167,7 @@ public class InputLanguageSelection extends PreferenceActivity {
if (finalSize == 0) {
preprocess[finalSize++] =
new Loc(SubtypeSwitcher.getLanguageName(l), l);
new Loc(SubtypeSwitcher.getFullDisplayName(l, true), l);
} else {
// check previous entry:
// same lang and a country -> upgrade to full name and
@ -175,15 +175,15 @@ public class InputLanguageSelection extends PreferenceActivity {
// diff lang -> insert ours with lang-only name
if (preprocess[finalSize-1].locale.getLanguage().equals(
language)) {
preprocess[finalSize-1].label = SubtypeSwitcher.getLanguageName(
preprocess[finalSize-1].locale);
preprocess[finalSize-1].label = SubtypeSwitcher.getFullDisplayName(
preprocess[finalSize-1].locale, false);
preprocess[finalSize++] =
new Loc(SubtypeSwitcher.getLanguageName(l), l);
new Loc(SubtypeSwitcher.getFullDisplayName(l, false), l);
} else {
String displayName;
if (s.equals("zz_ZZ")) {
} else {
displayName = SubtypeSwitcher.getLanguageName(l);
displayName = SubtypeSwitcher.getFullDisplayName(l, true);
preprocess[finalSize++] = new Loc(displayName, l);
}
}

26
java/src/com/android/inputmethod/latin/LatinIME.java
View File

@ -462,7 +462,7 @@ public class LatinIME extends InputMethodService
private void initSuggest() {
updateAutoTextEnabled();
String locale = mSubtypeSwitcher.getInputLanguage();
String locale = mSubtypeSwitcher.getInputLocaleStr();
Resources orig = getResources();
Locale savedLocale = mSubtypeSwitcher.changeSystemLocale(new Locale(locale));
@ -519,6 +519,7 @@ public class LatinIME extends InputMethodService
@Override
public void onConfigurationChanged(Configuration conf) {
mSubtypeSwitcher.onConfigurationChanged(conf);
onLanguageChanged();
updateAutoTextEnabled();
// If orientation changed while predicting, commit the change
@ -577,9 +578,11 @@ public class LatinIME extends InputMethodService
return;
}
SubtypeSwitcher.getInstance().updateParametersOnStartInputView();
if (mRefreshKeyboardRequired) {
mRefreshKeyboardRequired = false;
toggleLanguage(true, true);
onLanguageChanged();
}
TextEntryState.newSession(this);
@ -2176,8 +2179,18 @@ public class LatinIME extends InputMethodService
return mWord.isFirstCharCapitalized();
}
// Notify that Language has been changed and toggleLanguage will update KeyboaredID according
// to new Language.
private void onLanguageChanged() {
toggleLanguage(true, true);
}
// "reset" and "next" are used only for USE_SPACEBAR_LANGUAGE_SWITCHER.
private void toggleLanguage(boolean reset, boolean next) {
if (SubtypeSwitcher.USE_SPACEBAR_LANGUAGE_SWITCHER) {
mSubtypeSwitcher.toggleLanguage(reset, next);
}
// Reload keyboard because the current language has been changed.
KeyboardSwitcher switcher = mKeyboardSwitcher;
final int mode = switcher.getKeyboardMode();
final EditorInfo attribute = getCurrentInputEditorInfo();
@ -2249,7 +2262,7 @@ public class LatinIME extends InputMethodService
return new FieldContext(
getCurrentInputConnection(),
getCurrentInputEditorInfo(),
mSubtypeSwitcher.getInputLanguage(),
mSubtypeSwitcher.getInputLocaleStr(),
mSubtypeSwitcher.getEnabledLanguages());
}
@ -2372,7 +2385,7 @@ public class LatinIME extends InputMethodService
private void updateAutoTextEnabled() {
if (mSuggest == null) return;
mSuggest.setAutoTextEnabled(mQuickFixes
&& SubtypeSwitcher.getInstance().isSystemLocaleSameAsInputLocale());
&& SubtypeSwitcher.getInstance().isSystemLanguageSameAsInputLanguage());
}
private void updateSuggestionVisibility(SharedPreferences prefs) {
@ -2419,7 +2432,7 @@ public class LatinIME extends InputMethodService
sp.getBoolean(PREF_HAS_USED_VOICE_INPUT_UNSUPPORTED_LOCALE, false);
mLocaleSupportedForVoiceInput = SubtypeSwitcher.getInstance().isVoiceSupported(
SubtypeSwitcher.getInstance().getInputLanguage());
SubtypeSwitcher.getInstance().getInputLocaleStr());
mAutoCorrectEnabled = isAutoCorrectEnabled(sp);
mBigramSuggestionEnabled = mAutoCorrectEnabled && isBigramSuggestionEnabled(sp);
@ -2580,6 +2593,7 @@ public class LatinIME extends InputMethodService
@Override
public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype) {
SubtypeSwitcher.getInstance().onCurrentInputMethodSubtypeChanged(subtype);
SubtypeSwitcher.getInstance().updateSubtype(subtype);
onLanguageChanged();
}
}

2
java/src/com/android/inputmethod/latin/LatinIMESettings.java
View File

@ -16,7 +16,6 @@
package com.android.inputmethod.latin;
import java.util.ArrayList;
import java.util.Locale;
import android.app.AlertDialog;
@ -34,7 +33,6 @@ import android.speech.SpeechRecognizer;
import android.text.AutoText;
import android.util.Log;
import com.android.inputmethod.voice.SettingsUtil;
import com.android.inputmethod.voice.VoiceInputLogger;
public class LatinIMESettings extends PreferenceActivity

4
java/src/com/android/inputmethod/latin/LatinKeyboard.java
View File

@ -419,7 +419,7 @@ public class LatinKeyboard extends BaseKeyboard {
final Rect bounds = new Rect();
// Estimate appropriate language name text size to fit in maxTextWidth.
String language = SubtypeSwitcher.getLanguageName(locale);
String language = SubtypeSwitcher.getDisplayLanguage(locale);
int textWidth = getTextWidth(paint, language, origTextSize, bounds);
// Assuming text width and text size are proportional to each other.
float textSize = origTextSize * Math.min(maxTextWidth / textWidth, 1.0f);
@ -435,7 +435,7 @@ public class LatinKeyboard extends BaseKeyboard {
textSize = origTextSize;
}
if (useShortName) {
language = SubtypeSwitcher.getShortLanguageName(locale);
language = SubtypeSwitcher.getShortDisplayLanguage(locale);
textWidth = getTextWidth(paint, language, origTextSize, bounds);
textSize = origTextSize * Math.min(maxTextWidth / textWidth, 1.0f);
}

221
java/src/com/android/inputmethod/latin/SubtypeSwitcher.java
View File

@ -18,14 +18,18 @@ package com.android.inputmethod.latin;
import com.android.inputmethod.voice.SettingsUtil;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.inputmethodservice.InputMethodService;
import android.preference.PreferenceManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.inputmethod.InputMethodManager;
import android.view.inputmethod.InputMethodSubtype;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
@ -33,12 +37,34 @@ import java.util.Locale;
public class SubtypeSwitcher {
// This flag indicates if we support language switching by swipe on space bar.
// We may or may not draw the current language on space bar regardless of this flag.
public static final boolean USE_SPACEBAR_LANGUAGE_SWITCHER = true;
public static final boolean USE_SPACEBAR_LANGUAGE_SWITCHER = false;
private static final boolean DBG = false;
private static final String TAG = "SubtypeSwitcher";
private static final char LOCALE_SEPARATER = '_';
private static final String KEYBOARD_MODE = "keyboard";
private static final String VOICE_MODE = "voice";
private final TextUtils.SimpleStringSplitter mLocaleSplitter =
new TextUtils.SimpleStringSplitter(LOCALE_SEPARATER);
private static final SubtypeSwitcher sInstance = new SubtypeSwitcher();
private InputMethodService mService;
private Resources mResources;
private /* final */ InputMethodService mService;
private /* final */ InputMethodManager mImm;
private /* final */ Resources mResources;
private final ArrayList<InputMethodSubtype> mEnabledKeyboardSubtypesOfCurrentInputMethod =
new ArrayList<InputMethodSubtype>();
private final ArrayList<String> mEnabledLanguagesOfCurrentInputMethod = new ArrayList<String>();
/*-----------------------------------------------------------*/
// Variants which should be changed only by reload functions.
private Locale mSystemLocale;
private Locale mInputLocale;
private String mInputLocaleStr;
private String mMode;
private List<InputMethodSubtype> mAllEnabledSubtypesOfCurrentInputMethod;
private boolean mNeedsToDisplayLanguage;
private boolean mIsSystemLanguageSameAsInputLanguage;
/*-----------------------------------------------------------*/
public static SubtypeSwitcher getInstance() {
return sInstance;
@ -47,16 +73,97 @@ public class SubtypeSwitcher {
public static void init(LatinIME service) {
sInstance.mService = service;
sInstance.mResources = service.getResources();
sInstance.mSystemLocale = sInstance.mResources.getConfiguration().locale;
sInstance.mImm = (InputMethodManager) service.getSystemService(
Context.INPUT_METHOD_SERVICE);
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
sInstance.initLanguageSwitcher(service);
}
sInstance.updateAllParameters();
}
private SubtypeSwitcher() {
}
public void onCurrentInputMethodSubtypeChanged(InputMethodSubtype subtype) {
// Update all parameters stored in SubtypeSwitcher.
// Only configuration changed event is allowed to call this because this is heavy.
private void updateAllParameters() {
mSystemLocale = mResources.getConfiguration().locale;
updateSubtype(mImm.getCurrentInputMethodSubtype());
updateParametersOnStartInputView();
}
// Update parameters which are changed outside LatinIME. This parameters affect UI so they
// should be updated every time onStartInputview.
public void updateParametersOnStartInputView() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
updateForSpaceBarLanguageSwitch();
} else {
updateEnabledSubtypes();
}
}
// Reload enabledSubtypes from the framework.
private void updateEnabledSubtypes() {
boolean foundCurrentSubtypeBecameDisabled = true;
mAllEnabledSubtypesOfCurrentInputMethod = mImm.getEnabledInputMethodSubtypeList(null);
mEnabledLanguagesOfCurrentInputMethod.clear();
mEnabledKeyboardSubtypesOfCurrentInputMethod.clear();
for (InputMethodSubtype ims: mAllEnabledSubtypesOfCurrentInputMethod) {
final String locale = ims.getLocale();
final String mode = ims.getMode();
mLocaleSplitter.setString(locale);
if (mLocaleSplitter.hasNext()) {
mEnabledLanguagesOfCurrentInputMethod.add(mLocaleSplitter.next());
}
if (locale.equals(mInputLocaleStr) && mode.equals(mMode)) {
foundCurrentSubtypeBecameDisabled = false;
}
if (KEYBOARD_MODE.equals(ims.getMode())) {
mEnabledKeyboardSubtypesOfCurrentInputMethod.add(ims);
}
}
mNeedsToDisplayLanguage = !(getEnabledKeyboardLocaleCount() <= 1
&& mIsSystemLanguageSameAsInputLanguage);
if (foundCurrentSubtypeBecameDisabled) {
updateSubtype(mImm.getCurrentInputMethodSubtype());
}
}
// Update the current subtype. LatinIME.onCurrentInputMethodSubtypeChanged calls this function.
public void updateSubtype(InputMethodSubtype newSubtype) {
if (DBG) {
Log.w(TAG, "Update subtype to:" + newSubtype.getLocale() + "," + newSubtype.getMode());
}
updateInputLocale(newSubtype.getLocale());
mMode = newSubtype.getMode();
}
// Update the current input locale from Locale string.
private void updateInputLocale(String inputLocaleStr) {
// example: inputLocaleStr = "en_US" "en" ""
// "en_US" --> language: en & country: US
// "en" --> language: en
// "" --> the system locale
mLocaleSplitter.setString(inputLocaleStr);
if (mLocaleSplitter.hasNext()) {
String language = mLocaleSplitter.next();
if (mLocaleSplitter.hasNext()) {
mInputLocale = new Locale(language, mLocaleSplitter.next());
} else {
mInputLocale = new Locale(language);
}
mInputLocaleStr = inputLocaleStr;
} else {
mInputLocale = mSystemLocale;
String country = mSystemLocale.getCountry();
mInputLocaleStr = mSystemLocale.getLanguage()
+ (TextUtils.isEmpty(country) ? "" : "_" + mSystemLocale.getLanguage());
}
mIsSystemLanguageSameAsInputLanguage = getSystemLocale().getLanguage().equalsIgnoreCase(
getInputLocale().getLanguage());
mNeedsToDisplayLanguage = !(getEnabledKeyboardLocaleCount() <= 1
&& mIsSystemLanguageSameAsInputLanguage);
}
//////////////////////////////////
@ -66,82 +173,94 @@ public class SubtypeSwitcher {
public int getEnabledKeyboardLocaleCount() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return mLanguageSwitcher.getLocaleCount();
} else {
return mEnabledKeyboardSubtypesOfCurrentInputMethod.size();
}
// TODO: Implement for no legacy mode
return 0;
}
// TODO: Cache the value
public boolean needsToDisplayLanguage() {
// TODO: Takes care of two-char locale such as "en" in addition to "en_US"
return !(getEnabledKeyboardLocaleCount() <= 1 && getSystemLocale().getLanguage(
).equalsIgnoreCase(getInputLocale().getLanguage()));
return mNeedsToDisplayLanguage;
}
public Locale getInputLocale() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return mLanguageSwitcher.getInputLocale();
} else {
return mInputLocale;
}
// TODO: Implement for no legacy mode
return null;
}
public String getInputLanguage() {
String inputLanguage = null;
public String getInputLocaleStr() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
String inputLanguage = null;
inputLanguage = mLanguageSwitcher.getInputLanguage();
}
// Should return system locale if there is no Language available.
if (inputLanguage == null) {
inputLanguage = getSystemLocale().getLanguage();
}
return inputLanguage;
} else {
return mInputLocaleStr;
}
}
public String[] getEnabledLanguages() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return mLanguageSwitcher.getEnabledLanguages();
} else {
return mEnabledLanguagesOfCurrentInputMethod.toArray(
new String[mEnabledLanguagesOfCurrentInputMethod.size()]);
}
// TODO: Implement for no legacy mode
return null;
}
public Locale getSystemLocale() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return mLanguageSwitcher.getSystemLocale();
} else {
return mSystemLocale;
}
}
// TODO: Cache the value for faster processing.
public boolean isSystemLocaleSameAsInputLocale() {
// TODO: Takes care of two-char locale such as "en" in addition to "en_US"
public boolean isSystemLanguageSameAsInputLanguage() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return getSystemLocale().getLanguage().equalsIgnoreCase(
getInputLanguage().substring(0, 2));
getInputLocaleStr().substring(0, 2));
} else {
return mIsSystemLanguageSameAsInputLanguage;
}
}
public void onConfigurationChanged(Configuration conf) {
final Locale systemLocale = conf.locale;
// If system configuration was changed, update all parameters.
if (!TextUtils.equals(systemLocale.toString(), mSystemLocale.toString())) {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
// If the system locale changes and is different from the saved
// locale (mSystemLocale), then reload the input locale list from the
// latin ime settings (shared prefs) and reset the input locale
// to the first one.
final Locale systemLocale = conf.locale;
if (!TextUtils.equals(systemLocale.toString(), mSystemLocale.toString())) {
mSystemLocale = systemLocale;
mLanguageSwitcher.loadLocales(
PreferenceManager.getDefaultSharedPreferences(mService));
mLanguageSwitcher.loadLocales(PreferenceManager
.getDefaultSharedPreferences(mService));
mLanguageSwitcher.setSystemLocale(systemLocale);
toggleLanguage(true, true);
} else {
updateAllParameters();
}
return;
}
}
public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
if (LatinIME.PREF_SELECTED_LANGUAGES.equals(key)) {
mLanguageSwitcher.loadLocales(sharedPreferences);
return;
}
}
}
/**
* Change system locale for this application
* @param newLocale
* @return oldLocale
*/
public Locale changeSystemLocale(Locale newLocale) {
Configuration conf = mResources.getConfiguration();
Locale oldLocale = conf.locale;
@ -150,16 +269,25 @@ public class SubtypeSwitcher {
return oldLocale;
}
////////////////////////////////////////////
// Legacy Language Switch support //
////////////////////////////////////////////
//////////////////////////////////////
// SpaceBar Language Switch support //
//////////////////////////////////////
private LanguageSwitcher mLanguageSwitcher;
public static String getLanguageName(Locale locale) {
public static String getFullDisplayName(Locale locale, boolean returnsNameInThisLocale) {
if (returnsNameInThisLocale) {
return toTitleCase(locale.getDisplayName(locale));
} else {
return toTitleCase(locale.getDisplayName());
}
}
public static String getDisplayLanguage(Locale locale) {
return toTitleCase(locale.getDisplayLanguage(locale));
}
public static String getShortLanguageName(Locale locale) {
public static String getShortDisplayLanguage(Locale locale) {
return toTitleCase(locale.getLanguage());
}
@ -170,25 +298,34 @@ public class SubtypeSwitcher {
return Character.toUpperCase(s.charAt(0)) + s.substring(1);
}
private void updateForSpaceBarLanguageSwitch() {
// We need to update mNeedsToDisplayLanguage in onStartInputView because
// getEnabledKeyboardLocaleCount could have been changed.
mNeedsToDisplayLanguage = !(getEnabledKeyboardLocaleCount() <= 1
&& getSystemLocale().getLanguage().equalsIgnoreCase(
getInputLocale().getLanguage()));
}
public String getInputLanguageName() {
return getLanguageName(getInputLocale());
return getDisplayLanguage(getInputLocale());
}
public String getNextInputLanguageName() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return getLanguageName(mLanguageSwitcher.getNextInputLocale());
}
return getDisplayLanguage(mLanguageSwitcher.getNextInputLocale());
} else {
return "";
}
}
public String getPreviousInputLanguageName() {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
return getLanguageName(mLanguageSwitcher.getPrevInputLocale());
}
return getDisplayLanguage(mLanguageSwitcher.getPrevInputLocale());
} else {
return "";
}
}
// TODO: This can be an array of String
// A list of locales which are supported by default for voice input, unless we get a
// different list from Gservices.
private static final String DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES =
@ -225,6 +362,7 @@ public class SubtypeSwitcher {
}
public void toggleLanguage(boolean reset, boolean next) {
if (USE_SPACEBAR_LANGUAGE_SWITCHER) {
if (reset) {
mLanguageSwitcher.reset();
} else {
@ -236,6 +374,7 @@ public class SubtypeSwitcher {
}
mLanguageSwitcher.persist();
}
}
private void initLanguageSwitcher(LatinIME service) {
final Configuration conf = service.getResources().getConfiguration();