Save and update enabled Subtypes in InputMethodAndSubtypeEnabler (3de70217) · Commits · e / os / android_packages_apps_Settings

src/com/android/settings/inputmethod/InputMethodAndSubtypeUtil.java

+144 −44

Original line number	Diff line number	Diff line
		@@ -23,62 +23,149 @@ import android.content.pm.ApplicationInfo;
		import android.preference.CheckBoxPreference;
		import android.preference.PreferenceScreen;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		import android.text.TextUtils;
		import android.util.Log;
		import android.view.inputmethod.InputMethodInfo;
		import android.view.inputmethod.InputMethodSubtype;

		import java.util.HashMap;
		import java.util.HashSet;
		import java.util.List;

		public class InputMethodAndSubtypeUtil {

		private static final TextUtils.SimpleStringSplitter sStringColonSplitter
		= new TextUtils.SimpleStringSplitter(':');
		private static final boolean DEBUG = false;
		static final String TAG = "InputMethdAndSubtypeUtil";

		private static final char INPUT_METHOD_SEPARATER = ':';
		private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';';
		private static final int NOT_A_SUBTYPE_ID = -1;

		private static final TextUtils.SimpleStringSplitter sStringInputMethodSplitter
		= new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER);

		private static final TextUtils.SimpleStringSplitter sStringInputMethodSubtypeSplitter
		= new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER);

		private static boolean isInputMethodSubtypeSelected(ContentResolver resolver) {
		try {
		return Settings.Secure.getInt(resolver,
		Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE) != NOT_A_SUBTYPE_ID;
		} catch (SettingNotFoundException e) {
		return false;
		}
		}

		private static void putSelectedInputMethodSubtype(ContentResolver resolver, int hashCode) {
		Settings.Secure.putInt(resolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, hashCode);
		}

		// Needs to modify InputMethodManageService if you want to change the format of saved string.
		private static HashMap<String, HashSet<String>> getEnabledInputMethodsAndSubtypeList(
		ContentResolver resolver) {
		final String enabledInputMethodsStr = Settings.Secure.getString(
		resolver, Settings.Secure.ENABLED_INPUT_METHODS);
		HashMap<String, HashSet<String>> imsList
		= new HashMap<String, HashSet<String>>();
		if (DEBUG) {
		Log.d(TAG, "--- Load enabled input methods: " + enabledInputMethodsStr);
		}

		if (TextUtils.isEmpty(enabledInputMethodsStr)) {
		return imsList;
		}
		sStringInputMethodSplitter.setString(enabledInputMethodsStr);
		while (sStringInputMethodSplitter.hasNext()) {
		String nextImsStr = sStringInputMethodSplitter.next();
		sStringInputMethodSubtypeSplitter.setString(nextImsStr);
		if (sStringInputMethodSubtypeSplitter.hasNext()) {
		HashSet<String> subtypeHashes = new HashSet<String>();
		// The first element is ime id.
		String imeId = sStringInputMethodSubtypeSplitter.next();
		while (sStringInputMethodSubtypeSplitter.hasNext()) {
		subtypeHashes.add(sStringInputMethodSubtypeSplitter.next());
		}
		imsList.put(imeId, subtypeHashes);
		}
		}
		return imsList;
		}

		public static void saveInputMethodSubtypeList(
		SettingsPreferenceFragment context, ContentResolver resolver,
		List<InputMethodInfo> inputMethodProperties,
		boolean hasHardKeyboard, String lastTickedInputMethodId) {
		String lastInputMethodId = Settings.Secure.getString(resolver,
		String currentInputMethodId = Settings.Secure.getString(resolver,
		Settings.Secure.DEFAULT_INPUT_METHOD);

		StringBuilder builder = new StringBuilder();
		StringBuilder disabledSysImes = new StringBuilder();
		InputMethodInfo firstEnabledIMI = null;
		int firstSubtypeHashCode = NOT_A_SUBTYPE_ID;

		int firstEnabled = -1;
		int N = inputMethodProperties.size();
		for (int i = 0; i < N; ++i) {
		final InputMethodInfo property = inputMethodProperties.get(i);
		final boolean onlyOneIME = inputMethodProperties.size() == 1;
		for (InputMethodInfo property : inputMethodProperties) {
		final String id = property.getId();
		CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(id);
		boolean currentInputMethod = id.equals(lastInputMethodId);
		boolean isCurrentInputMethod = id.equals(currentInputMethodId);
		boolean systemIme = isSystemIme(property);
		// TODO: Append subtypes by using the separator ";"
		if (((N == 1 \|\| systemIme) && !hasHardKeyboard)
		if (((onlyOneIME \|\| systemIme) && !hasHardKeyboard)
		\|\| (pref != null && pref.isChecked())) {
		if (builder.length() > 0) builder.append(':');
		if (builder.length() > 0) builder.append(INPUT_METHOD_SEPARATER);
		builder.append(id);
		if (firstEnabled < 0) {
		firstEnabled = i;
		if (firstEnabledIMI == null) {
		firstEnabledIMI = property;
		}
		for (InputMethodSubtype subtype : property.getSubtypes()) {
		CheckBoxPreference subtypePref = (CheckBoxPreference) context.findPreference(
		id + subtype.hashCode());
		if (subtypePref != null && subtypePref.isChecked()) {
		builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtype.hashCode());
		if (firstSubtypeHashCode == NOT_A_SUBTYPE_ID) {
		firstSubtypeHashCode = subtype.hashCode();
		}
		}
		} else if (currentInputMethod) {
		lastInputMethodId = lastTickedInputMethodId;
		}
		} else if (isCurrentInputMethod) {
		// We are processing the current input method, but found that it's not enabled.
		// This means that the current input method has been uninstalled.
		// If currentInputMethod is already uninstalled, selects last ticked IME
		currentInputMethodId = lastTickedInputMethodId;
		}
		// If it's a disabled system ime, add it to the disabled list so that it
		// doesn't get enabled automatically on any changes to the package list
		if (pref != null && !pref.isChecked() && systemIme && hasHardKeyboard) {
		if (disabledSysImes.length() > 0) disabledSysImes.append(":");
		if (disabledSysImes.length() > 0) disabledSysImes.append(INPUT_METHOD_SEPARATER);
		disabledSysImes.append(id);
		}
		}

		// If the last input method is unset, set it as the first enabled one.
		if (TextUtils.isEmpty(lastInputMethodId)) {
		if (firstEnabled >= 0) {
		lastInputMethodId = inputMethodProperties.get(firstEnabled).getId();
		if (TextUtils.isEmpty(currentInputMethodId)) {
		if (firstEnabledIMI != null) {
		currentInputMethodId = firstEnabledIMI.getId();
		} else {
		lastInputMethodId = null;
		currentInputMethodId = null;
		}
		}

		if (DEBUG) {
		Log.d(TAG, "--- Save enabled inputmethod settings. :" + builder.toString());
		Log.d(TAG, "--- Save disable system inputmethod settings. :"
		+ disabledSysImes.toString());
		Log.d(TAG, "--- Save default inputmethod settings. :" + currentInputMethodId);
		}

		// redefines SelectedSubtype when all subtypes are unchecked or there is no subtype
		// selected.
		if (firstSubtypeHashCode == NOT_A_SUBTYPE_ID \|\| !isInputMethodSubtypeSelected(resolver)) {
		if (DEBUG) {
		Log.d(TAG, "--- Set inputmethod subtype because it's not defined."
		+ firstSubtypeHashCode);
		}
		putSelectedInputMethodSubtype(resolver, firstSubtypeHashCode);
		}

		Settings.Secure.putString(resolver,
		@@ -86,34 +173,23 @@ public class InputMethodAndSubtypeUtil {
		Settings.Secure.putString(resolver,
		Settings.Secure.DISABLED_SYSTEM_INPUT_METHODS, disabledSysImes.toString());
		Settings.Secure.putString(resolver, Settings.Secure.DEFAULT_INPUT_METHOD,
		lastInputMethodId != null ? lastInputMethodId : "");
		currentInputMethodId != null ? currentInputMethodId : "");
		}

		public static void loadInputMethodSubtypeList(
		SettingsPreferenceFragment context, ContentResolver resolver,
		List<InputMethodInfo> inputMethodProperties) {
		final HashSet<String> enabled = new HashSet<String>();
		String enabledStr = Settings.Secure.getString(resolver,
		Settings.Secure.ENABLED_INPUT_METHODS);
		if (enabledStr != null) {
		final TextUtils.SimpleStringSplitter splitter = sStringColonSplitter;
		splitter.setString(enabledStr);
		while (splitter.hasNext()) {
		enabled.add(splitter.next());
		}
		}

		// Update the statuses of the Check Boxes.
		int N = inputMethodProperties.size();
		// TODO: Use iterator.
		for (int i = 0; i < N; ++i) {
		final String id = inputMethodProperties.get(i).getId();
		CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(
		inputMethodProperties.get(i).getId());
		HashMap<String, HashSet<String>> enabledSubtypes =
		getEnabledInputMethodsAndSubtypeList(resolver);

		for (InputMethodInfo property : inputMethodProperties) {
		final String id = property.getId();
		CheckBoxPreference pref = (CheckBoxPreference) context.findPreference(id);
		if (pref != null) {
		boolean isEnabled = enabled.contains(id);
		boolean isEnabled = enabledSubtypes.containsKey(id);
		pref.setChecked(isEnabled);
		setSubtypesPreferenceEnabled(context, inputMethodProperties, id, isEnabled);
		updateSubtypesPreferenceChecked(context, inputMethodProperties, enabledSubtypes);
		}
		}
		}
		@@ -121,17 +197,41 @@ public class InputMethodAndSubtypeUtil {
		public static void setSubtypesPreferenceEnabled(SettingsPreferenceFragment context,
		List<InputMethodInfo> inputMethodProperties, String id, boolean enabled) {
		PreferenceScreen preferenceScreen = context.getPreferenceScreen();
		final int N = inputMethodProperties.size();
		// TODO: Use iterator.
		for (int i = 0; i < N; i++) {
		InputMethodInfo imi = inputMethodProperties.get(i);
		for (InputMethodInfo imi : inputMethodProperties) {
		if (id.equals(imi.getId())) {
		for (InputMethodSubtype subtype : imi.getSubtypes()) {
		preferenceScreen.findPreference(id + subtype.hashCode()).setEnabled(enabled);
		CheckBoxPreference pref = (CheckBoxPreference) preferenceScreen.findPreference(
		id + subtype.hashCode());
		if (pref != null) {
		pref.setEnabled(enabled);
		}
		}
		}
		}
		}

		public static void updateSubtypesPreferenceChecked(SettingsPreferenceFragment context,
		List<InputMethodInfo> inputMethodProperties,
		HashMap<String, HashSet<String>> enabledSubtypes) {
		PreferenceScreen preferenceScreen = context.getPreferenceScreen();
		for (InputMethodInfo imi : inputMethodProperties) {
		String id = imi.getId();
		HashSet<String> enabledSubtypesSet = enabledSubtypes.get(id);
		for (InputMethodSubtype subtype : imi.getSubtypes()) {
		String hashCode = String.valueOf(subtype.hashCode());
		if (DEBUG) {
		Log.d(TAG, "--- Set checked state: " + "id" + ", " + hashCode + ", "
		+ enabledSubtypesSet.contains(hashCode));
		}
		CheckBoxPreference pref = (CheckBoxPreference) preferenceScreen.findPreference(
		id + hashCode);
		if (pref != null) {
		pref.setChecked(enabledSubtypesSet.contains(hashCode));
		}
		}
		}
		}

		public static boolean isSystemIme(InputMethodInfo property) {
		return (property.getServiceInfo().applicationInfo.flags
		& ApplicationInfo.FLAG_SYSTEM) != 0;