Support language bar swich for InputMethodSubtype (88fc9d44) · Commits · e / os / android_packages_inputmethods_LatinIME

java/src/com/android/inputmethod/compat/InputMethodManagerCompatWrapper.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package com.android.inputmethod.compat;

		import com.android.inputmethod.deprecated.LanguageSwitcherProxy;
		import com.android.inputmethod.latin.LatinIME;
		import com.android.inputmethod.latin.SubtypeSwitcher;
		import com.android.inputmethod.latin.Utils;
		@@ -56,6 +57,14 @@ public class InputMethodManagerCompatWrapper {
		private static final InputMethodManagerCompatWrapper sInstance =
		new InputMethodManagerCompatWrapper();

		public static final boolean SUBTYPE_SUPPORTED;

		static {
		// This static initializer guarantees that METHOD_getShortcutInputMethodsAndSubtypes is
		// already instantiated.
		SUBTYPE_SUPPORTED = METHOD_getShortcutInputMethodsAndSubtypes != null;
		}

		// For the compatibility, IMM will create dummy subtypes if subtypes are not found.
		// This is required to be false if the current behavior is broken. For now, it's ok to be true.
		private static final boolean ALLOW_DUMMY_SUBTYPE = true;
		@@ -64,7 +73,9 @@ public class InputMethodManagerCompatWrapper {
		private static final String KEYBOARD_MODE = "keyboard";

		private InputMethodManager mImm;
		private LanguageSwitcherProxy mLanguageSwitcherProxy;
		private String mLatinImePackageName;

		private InputMethodManagerCompatWrapper() {
		}

		@@ -81,15 +92,29 @@ public class InputMethodManagerCompatWrapper {
		if (context instanceof LatinIME) {
		mLatinImePackageName = context.getPackageName();
		}
		mLanguageSwitcherProxy = LanguageSwitcherProxy.getInstance();
		}

		public InputMethodSubtypeCompatWrapper getCurrentInputMethodSubtype() {
		if (!SUBTYPE_SUPPORTED) {
		return new InputMethodSubtypeCompatWrapper(
		0, 0, mLanguageSwitcherProxy.getInputLocale().toString(), KEYBOARD_MODE, "");
		}
		Object o = CompatUtils.invoke(mImm, null, METHOD_getCurrentInputMethodSubtype);
		return new InputMethodSubtypeCompatWrapper(o);
		}

		public List<InputMethodSubtypeCompatWrapper> getEnabledInputMethodSubtypeList(
		InputMethodInfoCompatWrapper imi, boolean allowsImplicitlySelectedSubtypes) {
		if (!SUBTYPE_SUPPORTED) {
		String[] languages = mLanguageSwitcherProxy.getEnabledLanguages();
		List<InputMethodSubtypeCompatWrapper> subtypeList =
		new ArrayList<InputMethodSubtypeCompatWrapper>();
		for (String lang: languages) {
		subtypeList.add(new InputMethodSubtypeCompatWrapper(0, 0, lang, KEYBOARD_MODE, ""));
		}
		return subtypeList;
		}
		Object retval = CompatUtils.invoke(mImm, null, METHOD_getEnabledInputMethodSubtypeList,
		(imi != null ? imi.getInputMethodInfo() : null), allowsImplicitlySelectedSubtypes);
		if (retval == null \|\| !(retval instanceof List) \|\| ((List<?>)retval).isEmpty()) {
		@@ -170,6 +195,10 @@ public class InputMethodManagerCompatWrapper {

		public void setInputMethodAndSubtype(
		IBinder token, String id, InputMethodSubtypeCompatWrapper subtype) {
		if (!SUBTYPE_SUPPORTED) {
		mLanguageSwitcherProxy.setLocale(subtype.getLocale());
		return;
		}
		CompatUtils.invoke(mImm, null, METHOD_setInputMethodAndSubtype,
		token, id, subtype.getOriginalObject());
		}

java/src/com/android/inputmethod/compat/InputMethodSubtypeCompatWrapper.java

+0 −3

Original line number	Diff line number	Diff line
		@@ -58,9 +58,6 @@ public final class InputMethodSubtypeCompatWrapper extends AbstractCompatWrapper
		public InputMethodSubtypeCompatWrapper(Object subtype) {
		super((CLASS_InputMethodSubtype != null && CLASS_InputMethodSubtype.isInstance(subtype))
		? subtype : null);
		if (DBG) {
		Log.d(TAG, "CreateInputMethodSubtypeCompatWrapper");
		}
		mDummyNameResId = 0;
		mDummyIconResId = 0;
		mDummyLocale = DEFAULT_LOCALE;

java/src/com/android/inputmethod/deprecated/LanguageSwitcherProxy.java

0 → 100644

+73 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2011 Google Inc.
		*
		* 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.
		*/

		package com.android.inputmethod.deprecated;

		import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
		import com.android.inputmethod.deprecated.languageswitcher.LanguageSwitcher;
		import com.android.inputmethod.latin.LatinIME;

		import android.content.SharedPreferences;
		import android.content.res.Configuration;

		import java.util.Locale;

		// This class is used only when the IME doesn't use method.xml for language switching.
		public class LanguageSwitcherProxy {
		private static final LanguageSwitcherProxy sInstance = new LanguageSwitcherProxy();
		private LanguageSwitcher mLanguageSwitcher;
		private SharedPreferences mPrefs;

		public static LanguageSwitcherProxy getInstance() {
		if (InputMethodManagerCompatWrapper.SUBTYPE_SUPPORTED) return null;
		return sInstance;
		}

		public static void init(LatinIME service, SharedPreferences prefs) {
		if (InputMethodManagerCompatWrapper.SUBTYPE_SUPPORTED) return;
		final Configuration conf = service.getResources().getConfiguration();
		sInstance.mLanguageSwitcher = new LanguageSwitcher(service);
		sInstance.mLanguageSwitcher.loadLocales(prefs, conf.locale);
		sInstance.mPrefs = prefs;
		}

		public static void onConfigurationChanged(Configuration conf) {
		if (InputMethodManagerCompatWrapper.SUBTYPE_SUPPORTED) return;
		sInstance.mLanguageSwitcher.onConfigurationChanged(conf, sInstance.mPrefs);
		}

		public static void loadSettings() {
		if (InputMethodManagerCompatWrapper.SUBTYPE_SUPPORTED) return;
		sInstance.mLanguageSwitcher.loadLocales(sInstance.mPrefs, null);
		}

		public int getLocaleCount() {
		return mLanguageSwitcher.getLocaleCount();
		}

		public String[] getEnabledLanguages() {
		return mLanguageSwitcher.getEnabledLanguages();
		}

		public Locale getInputLocale() {
		return mLanguageSwitcher.getInputLocale();
		}

		public void setLocale(String localeStr) {
		mLanguageSwitcher.setLocale(localeStr);
		mLanguageSwitcher.persist(mPrefs);
		}
		}

java/src/com/android/inputmethod/latin/LanguageSwitcher.java→java/src/com/android/inputmethod/deprecated/languageswitcher/LanguageSwitcher.java

+38 −5

Original line number	Diff line number	Diff line
		@@ -14,10 +14,16 @@
		* the License.
		*/

		package com.android.inputmethod.latin;
		package com.android.inputmethod.deprecated.languageswitcher;

		import com.android.inputmethod.compat.InputMethodSubtypeCompatWrapper;
		import com.android.inputmethod.latin.LatinIME;
		import com.android.inputmethod.latin.Settings;
		import com.android.inputmethod.latin.SharedPreferencesCompat;

		import android.content.SharedPreferences;
		import android.content.SharedPreferences.Editor;
		import android.content.res.Configuration;
		import android.text.TextUtils;

		import java.util.ArrayList;
		@@ -29,6 +35,8 @@ import java.util.Locale;
		*/
		public class LanguageSwitcher {

		private static final String KEYBOARD_MODE = "keyboard";

		private final ArrayList<Locale> mLocales = new ArrayList<Locale>();
		private final LatinIME mIme;
		private String[] mSelectedLanguageArray;
		@@ -46,12 +54,24 @@ public class LanguageSwitcher {
		return mLocales.size();
		}

		public void onConfigurationChanged(Configuration conf, SharedPreferences prefs) {
		final Locale newLocale = conf.locale;
		if (!getSystemLocale().toString().equals(newLocale.toString())) {
		loadLocales(prefs, newLocale);
		}
		}

		/**
		* Loads the currently selected input languages from shared preferences.
		* @param sp
		* @param sp shared preference for getting the current input language and enabled languages
		* @param systemLocale the current system locale, stored for changing the current input language
		* based on the system current system locale.
		* @return whether there was any change
		*/
		public boolean loadLocales(SharedPreferences sp) {
		public boolean loadLocales(SharedPreferences sp, Locale systemLocale) {
		if (systemLocale != null) {
		setSystemLocale(systemLocale);
		}
		String selectedLanguages = sp.getString(Settings.PREF_SELECTED_LANGUAGES, null);
		String currentLanguage = sp.getString(Settings.PREF_INPUT_LANGUAGE, null);
		if (selectedLanguages == null \|\| selectedLanguages.length() < 1) {
		@@ -151,7 +171,7 @@ public class LanguageSwitcher {
		* Sets the system locale (display UI) used for comparing with the input language.
		* @param locale the locale of the system
		*/
		public void setSystemLocale(Locale locale) {
		private void setSystemLocale(Locale locale) {
		mSystemLocale = locale;
		}

		@@ -159,7 +179,7 @@ public class LanguageSwitcher {
		* Returns the system locale.
		* @return the system locale
		*/
		public Locale getSystemLocale() {
		private Locale getSystemLocale() {
		return mSystemLocale;
		}

		@@ -185,9 +205,22 @@ public class LanguageSwitcher {
		mCurrentIndex = prevLocaleIndex();
		}

		public void setLocale(String localeStr) {
		final int N = mLocales.size();
		for (int i = 0; i < N; ++i) {
		if (mLocales.get(i).toString().equals(localeStr)) {
		mCurrentIndex = i;
		}
		}
		}

		public void persist(SharedPreferences prefs) {
		Editor editor = prefs.edit();
		editor.putString(Settings.PREF_INPUT_LANGUAGE, getInputLanguage());
		SharedPreferencesCompat.apply(editor);
		// When the current language is changed, the event for this change should be handled
		// internally as a subtype switching.
		mIme.notifyOnCurrentInputMethodSubtypeChanged(new InputMethodSubtypeCompatWrapper(
		0, 0, getInputLocale().toString(), KEYBOARD_MODE, ""));
		}
		}

java/src/com/android/inputmethod/keyboard/LatinKeyboard.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -271,7 +271,7 @@ public class LatinKeyboard extends Keyboard {
		canvas.drawText(language, width / 2, baseline - descent, paint);

		// Put arrows that are already layed out on either side of the text
		if (SubtypeSwitcher.getInstance().useSpacebarLanguageSwitcher()
		if (subtypeSwitcher.useSpacebarLanguageSwitcher()
		&& subtypeSwitcher.getEnabledKeyboardLocaleCount() > 1) {
		mButtonArrowLeftIcon.draw(canvas);
		mButtonArrowRightIcon.draw(canvas);