Find the most applicable subtype when there is no selected subtype but IME has subtypes (8fbb1e84) · Commits · e / os / android_frameworks_base

services/java/com/android/server/InputMethodManagerService.java

+61 −10

Original line number	Diff line number	Diff line
		@@ -116,6 +116,8 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
		static final long TIME_TO_RECONNECT = 10*1000;

		private static final int NOT_A_SUBTYPE_ID = -1;
		// If IME doesn't support the system locale, the default subtype will be the first defined one.
		private static final int DEFAULT_SUBTYPE_ID = 0;

		final Context mContext;
		final Handler mHandler;
		@@ -993,7 +995,6 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
		if (mCurMethod != null) {
		try {
		putSelectedInputMethodSubtype(info, subtypeId);
		mCurrentSubtype = subtype;
		if (mInputShown) {
		// If mInputShown is false, there is no IME button on the
		// system bar.
		@@ -1016,11 +1017,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
		mCurMethodId = id;
		// Set a subtype to this input method.
		// subtypeId the name of a subtype which will be set.
		if (putSelectedInputMethodSubtype(info, subtypeId)) {
		mCurrentSubtype = info.getSubtypes().get(subtypeId);
		} else {
		mCurrentSubtype = null;
		}
		putSelectedInputMethodSubtype(info, subtypeId);

		Settings.Secure.putString(mContext.getContentResolver(),
		Settings.Secure.DEFAULT_INPUT_METHOD, id);
		@@ -1820,16 +1817,16 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
		Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, NOT_A_SUBTYPE_ID);
		}

		private boolean putSelectedInputMethodSubtype(InputMethodInfo imi, int subtypeId) {
		ArrayList<InputMethodSubtype> subtypes = imi.getSubtypes();
		private void putSelectedInputMethodSubtype(InputMethodInfo imi, int subtypeId) {
		final ArrayList<InputMethodSubtype> subtypes = imi.getSubtypes();
		if (subtypeId >= 0 && subtypeId < subtypes.size()) {
		Settings.Secure.putInt(mContext.getContentResolver(),
		Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE,
		subtypes.get(subtypeId).hashCode());
		return true;
		mCurrentSubtype = subtypes.get(subtypeId);
		} else {
		resetSelectedInputMethodSubtype();
		return false;
		mCurrentSubtype = null;
		}
		}

		@@ -1855,10 +1852,64 @@ public class InputMethodManagerService extends IInputMethodManager.Stub
		return NOT_A_SUBTYPE_ID;
		}

		// If there are no selected subtypes, tries finding the most applicable one according to the
		// current system locale
		private int findApplicableSubtype(String id) {
		InputMethodInfo imi = mMethodMap.get(id);
		if (imi == null) {
		return NOT_A_SUBTYPE_ID;
		}
		ArrayList<InputMethodSubtype> subtypes = imi.getSubtypes();
		if (subtypes == null \|\| subtypes.size() == 0) {
		return NOT_A_SUBTYPE_ID;
		}
		final String locale = mContext.getResources().getConfiguration().locale.toString();
		final String language = locale.substring(0, 2);
		boolean partialMatchFound = false;
		int applicableSubtypeId = DEFAULT_SUBTYPE_ID;
		for (int i = 0; i < subtypes.size(); ++i) {
		final String subtypeLocale = subtypes.get(i).getLocale();
		if (locale.equals(subtypeLocale)) {
		// Exact match (e.g. system locale is "en_US" and subtype locale is "en_US")
		applicableSubtypeId = i;
		break;
		} else if (!partialMatchFound && subtypeLocale.startsWith(language)) {
		// Partial match (e.g. system locale is "en_US" and subtype locale is "en")
		applicableSubtypeId = i;
		partialMatchFound = true;
		}
		}

		// The first subtype applicable to the system locale will be defined as the most applicable
		// subtype.
		if (DEBUG) {
		Slog.d(TAG, "Applicable InputMethodSubtype was found: " + applicableSubtypeId
		+ subtypes.get(applicableSubtypeId).getLocale());
		}
		return applicableSubtypeId;
		}

		/**
		* @return Return the current subtype of this input method.
		*/
		public InputMethodSubtype getCurrentInputMethodSubtype() {
		boolean subtypeIsSelected = false;
		try {
		subtypeIsSelected = Settings.Secure.getInt(mContext.getContentResolver(),
		Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE) != NOT_A_SUBTYPE_ID;
		} catch (SettingNotFoundException e) {
		}
		if (!subtypeIsSelected \|\| mCurrentSubtype == null) {
		String lastInputMethodId = Settings.Secure.getString(mContext
		.getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD);
		int subtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId);
		if (subtypeId == NOT_A_SUBTYPE_ID) {
		subtypeId = findApplicableSubtype(lastInputMethodId);
		}
		if (subtypeId != NOT_A_SUBTYPE_ID) {
		mCurrentSubtype = mMethodMap.get(lastInputMethodId).getSubtypes().get(subtypeId);
		}
		}
		return mCurrentSubtype;
		}