diff options
Diffstat (limited to 'services/java/com/android/server/InputMethodManagerService.java')
| -rw-r--r-- | services/java/com/android/server/InputMethodManagerService.java | 1264 |
1 files changed, 1108 insertions, 156 deletions
diff --git a/services/java/com/android/server/InputMethodManagerService.java b/services/java/com/android/server/InputMethodManagerService.java index ecad3cc..21c1e81 100644 --- a/services/java/com/android/server/InputMethodManagerService.java +++ b/services/java/com/android/server/InputMethodManagerService.java @@ -61,18 +61,21 @@ import android.os.ServiceManager; import android.os.SystemClock; import android.provider.Settings; import android.provider.Settings.Secure; +import android.provider.Settings.SettingNotFoundException; import android.text.TextUtils; import android.util.EventLog; +import android.util.Pair; import android.util.Slog; import android.util.PrintWriterPrinter; import android.util.Printer; import android.view.IWindowManager; import android.view.WindowManager; +import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputBinding; import android.view.inputmethod.InputMethod; import android.view.inputmethod.InputMethodInfo; import android.view.inputmethod.InputMethodManager; -import android.view.inputmethod.EditorInfo; +import android.view.inputmethod.InputMethodSubtype; import java.io.FileDescriptor; import java.io.IOException; @@ -80,6 +83,7 @@ import java.io.PrintWriter; import java.text.Collator; import java.util.ArrayList; import java.util.HashMap; +import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.TreeMap; @@ -93,6 +97,9 @@ public class InputMethodManagerService extends IInputMethodManager.Stub static final String TAG = "InputManagerService"; static final int MSG_SHOW_IM_PICKER = 1; + static final int MSG_SHOW_IM_SUBTYPE_PICKER = 2; + static final int MSG_SHOW_IM_SUBTYPE_ENABLER = 3; + static final int MSG_SHOW_IM_CONFIG = 4; static final int MSG_UNBIND_INPUT = 1000; static final int MSG_BIND_INPUT = 1010; @@ -109,8 +116,19 @@ public class InputMethodManagerService extends IInputMethodManager.Stub static final long TIME_TO_RECONNECT = 10*1000; + private static final int NOT_A_SUBTYPE_ID = -1; + private static final String NOT_A_SUBTYPE_ID_STR = String.valueOf(NOT_A_SUBTYPE_ID); + private static final String SUBTYPE_MODE_KEYBOARD = "keyboard"; + private static final String SUBTYPE_MODE_VOICE = "voice"; + + // TODO: Will formalize this value as API + private static final String SUBTYPE_EXTRAVALUE_EXCLUDE_FROM_LAST_IME = + "excludeFromLastInputMethod"; + final Context mContext; + final Resources mRes; final Handler mHandler; + final InputMethodSettings mSettings; final SettingsObserver mSettingsObserver; final StatusBarManagerService mStatusBar; final IWindowManager mIWindowManager; @@ -120,13 +138,8 @@ public class InputMethodManagerService extends IInputMethodManager.Stub // All known input methods. mMethodMap also serves as the global // lock for this class. - final ArrayList<InputMethodInfo> mMethodList - = new ArrayList<InputMethodInfo>(); - final HashMap<String, InputMethodInfo> mMethodMap - = new HashMap<String, InputMethodInfo>(); - - final TextUtils.SimpleStringSplitter mStringColonSplitter - = new TextUtils.SimpleStringSplitter(':'); + final ArrayList<InputMethodInfo> mMethodList = new ArrayList<InputMethodInfo>(); + final HashMap<String, InputMethodInfo> mMethodMap = new HashMap<String, InputMethodInfo>(); class SessionState { final ClientState client; @@ -224,6 +237,16 @@ public class InputMethodManagerService extends IInputMethodManager.Stub String mCurId; /** + * The current subtype of the current input method. + */ + private InputMethodSubtype mCurrentSubtype; + + // This list contains the pairs of InputMethodInfo and InputMethodSubtype. + private final HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>> + mShortcutInputMethodsAndSubtypes = + new HashMap<InputMethodInfo, ArrayList<InputMethodSubtype>>(); + + /** * Set to true if our ServiceConnection is currently actively bound to * a service (whether or not we have gotten its IBinder back yet). */ @@ -292,6 +315,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub AlertDialog mSwitchingDialog; InputMethodInfo[] mIms; CharSequence[] mItems; + int[] mSubtypeIds; class SettingsObserver extends ContentObserver { SettingsObserver(Handler handler) { @@ -299,6 +323,8 @@ public class InputMethodManagerService extends IInputMethodManager.Stub ContentResolver resolver = mContext.getContentResolver(); resolver.registerContentObserver(Settings.Secure.getUriFor( Settings.Secure.DEFAULT_INPUT_METHOD), false, this); + resolver.registerContentObserver(Settings.Secure.getUriFor( + Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE), false, this); } @Override public void onChange(boolean selfChange) { @@ -351,9 +377,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub if (!doit) { return true; } - - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, ""); + resetSelectedInputMethodAndSubtypeLocked(""); chooseNewDefaultIMELocked(); return true; } @@ -406,19 +430,17 @@ public class InputMethodManagerService extends IInputMethodManager.Stub // Uh oh, current input method is no longer around! // Pick another one... Slog.i(TAG, "Current input method removed: " + curInputMethodId); + mStatusBar.setIMEButtonVisible(mCurToken, false); if (!chooseNewDefaultIMELocked()) { changed = true; curIm = null; - curInputMethodId = ""; Slog.i(TAG, "Unsetting current input method"); - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, - curInputMethodId); + resetSelectedInputMethodAndSubtypeLocked(""); } } } } - + if (curIm == null) { // We currently don't have a default input method... is // one now available? @@ -449,6 +471,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub public InputMethodManagerService(Context context, StatusBarManagerService statusBar) { mContext = context; + mRes = context.getResources(); mHandler = new Handler(this); mIWindowManager = IWindowManager.Stub.asInterface( ServiceManager.getService(Context.WINDOW_SERVICE)); @@ -469,27 +492,19 @@ public class InputMethodManagerService extends IInputMethodManager.Stub mStatusBar = statusBar; statusBar.setIconVisibility("ime", false); + // mSettings should be created before buildInputMethodListLocked + mSettings = new InputMethodSettings( + mRes, context.getContentResolver(), mMethodMap, mMethodList); buildInputMethodListLocked(mMethodList, mMethodMap); + mSettings.enableAllIMEsIfThereIsNoEnabledIME(); - final String enabledStr = Settings.Secure.getString( - mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS); - Slog.i(TAG, "Enabled input methods: " + enabledStr); - final String defaultIme = Settings.Secure.getString(mContext - .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); - if (enabledStr == null || TextUtils.isEmpty(defaultIme)) { - Slog.i(TAG, "Enabled input methods or default IME has not been set, enabling all"); + if (TextUtils.isEmpty(Settings.Secure.getString( + mContext.getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD))) { InputMethodInfo defIm = null; - StringBuilder sb = new StringBuilder(256); - final int N = mMethodList.size(); - for (int i=0; i<N; i++) { - InputMethodInfo imi = mMethodList.get(i); - Slog.i(TAG, "Adding: " + imi.getId()); - if (i > 0) sb.append(':'); - sb.append(imi.getId()); + for (InputMethodInfo imi: mMethodList) { if (defIm == null && imi.getIsDefaultResourceId() != 0) { try { - Resources res = mContext.createPackageContext( + Resources res = context.createPackageContext( imi.getPackageName(), 0).getResources(); if (res.getBoolean(imi.getIsDefaultResourceId())) { defIm = imi; @@ -500,15 +515,12 @@ public class InputMethodManagerService extends IInputMethodManager.Stub } } } - if (defIm == null && N > 0) { + if (defIm == null && mMethodList.size() > 0) { defIm = mMethodList.get(0); Slog.i(TAG, "No default found, using " + defIm.getId()); } - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS, sb.toString()); if (defIm != null) { - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, defIm.getId()); + setSelectedInputMethodAndSubtypeLocked(defIm, NOT_A_SUBTYPE_ID, false); } } @@ -552,29 +564,40 @@ public class InputMethodManagerService extends IInputMethodManager.Stub public List<InputMethodInfo> getEnabledInputMethodList() { synchronized (mMethodMap) { - return getEnabledInputMethodListLocked(); + return mSettings.getEnabledInputMethodListLocked(); } } - List<InputMethodInfo> getEnabledInputMethodListLocked() { - final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); - - final String enabledStr = Settings.Secure.getString( - mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS); - if (enabledStr != null) { - final TextUtils.SimpleStringSplitter splitter = mStringColonSplitter; - splitter.setString(enabledStr); + private HashMap<InputMethodInfo, List<InputMethodSubtype>> + getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked() { + HashMap<InputMethodInfo, List<InputMethodSubtype>> enabledInputMethodAndSubtypes = + new HashMap<InputMethodInfo, List<InputMethodSubtype>>(); + for (InputMethodInfo imi: getEnabledInputMethodList()) { + enabledInputMethodAndSubtypes.put( + imi, getEnabledInputMethodSubtypeListLocked(imi, true)); + } + return enabledInputMethodAndSubtypes; + } - while (splitter.hasNext()) { - InputMethodInfo info = mMethodMap.get(splitter.next()); - if (info != null) { - res.add(info); - } - } + public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked(InputMethodInfo imi, + boolean allowsImplicitlySelectedSubtypes) { + if (imi == null && mCurMethodId != null) { + imi = mMethodMap.get(mCurMethodId); + } + final List<InputMethodSubtype> enabledSubtypes = + mSettings.getEnabledInputMethodSubtypeListLocked(imi); + if (!allowsImplicitlySelectedSubtypes || enabledSubtypes.size() > 0) { + return enabledSubtypes; + } else { + return getApplicableSubtypesLocked(mRes, getSubtypes(imi)); } + } - return res; + public List<InputMethodSubtype> getEnabledInputMethodSubtypeList(InputMethodInfo imi, + boolean allowsImplicitlySelectedSubtypes) { + synchronized (mMethodMap) { + return getEnabledInputMethodSubtypeListLocked(imi, allowsImplicitlySelectedSubtypes); + } } public void addClient(IInputMethodClient client, @@ -959,21 +982,44 @@ public class InputMethodManagerService extends IInputMethodManager.Stub } } + public void setIMEButtonVisible(IBinder token, boolean visible) { + int uid = Binder.getCallingUid(); + long ident = Binder.clearCallingIdentity(); + try { + if (token == null || mCurToken != token) { + Slog.w(TAG, "Ignoring setIMEButtonVisible of uid " + uid + " token: " + token); + return; + } + + synchronized (mMethodMap) { + mStatusBar.setIMEButtonVisible(token, visible); + } + } finally { + Binder.restoreCallingIdentity(ident); + } + } + void updateFromSettingsLocked() { // We are assuming that whoever is changing DEFAULT_INPUT_METHOD and // ENABLED_INPUT_METHODS is taking care of keeping them correctly in // sync, so we will never have a DEFAULT_INPUT_METHOD that is not // enabled. String id = Settings.Secure.getString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD); - if (id != null && id.length() > 0) { + Settings.Secure.DEFAULT_INPUT_METHOD); + // There is no input method selected, try to choose new applicable input method. + if (TextUtils.isEmpty(id) && chooseNewDefaultIMELocked()) { + id = Settings.Secure.getString(mContext.getContentResolver(), + Settings.Secure.DEFAULT_INPUT_METHOD); + } + if (!TextUtils.isEmpty(id)) { try { - setInputMethodLocked(id); + setInputMethodLocked(id, getSelectedInputMethodSubtypeId(id)); } catch (IllegalArgumentException e) { Slog.w(TAG, "Unknown input method from prefs: " + id, e); mCurMethodId = null; unbindCurrentMethodLocked(true); } + mShortcutInputMethodsAndSubtypes.clear(); } else { // There is no longer an input method set, so stop any current one. mCurMethodId = null; @@ -981,21 +1027,54 @@ public class InputMethodManagerService extends IInputMethodManager.Stub } } - void setInputMethodLocked(String id) { + /* package */ void setInputMethodLocked(String id, int subtypeId) { InputMethodInfo info = mMethodMap.get(id); if (info == null) { throw new IllegalArgumentException("Unknown id: " + id); } if (id.equals(mCurMethodId)) { + InputMethodSubtype subtype = null; + if (subtypeId >= 0 && subtypeId < info.getSubtypeCount()) { + subtype = info.getSubtypeAt(subtypeId); + } + if (subtype != mCurrentSubtype) { + synchronized (mMethodMap) { + if (subtype != null) { + setSelectedInputMethodAndSubtypeLocked(info, subtypeId, true); + } + if (mCurMethod != null) { + try { + if (mInputShown) { + // If mInputShown is false, there is no IME button on the + // system bar. + // Thus there is no need to make it invisible explicitly. + mStatusBar.setIMEButtonVisible(mCurToken, true); + } + // If subtype is null, try to find the most applicable one from + // getCurrentInputMethodSubtype. + if (subtype == null) { + subtype = getCurrentInputMethodSubtype(); + } + mCurMethod.changeInputMethodSubtype(subtype); + } catch (RemoteException e) { + return; + } + } + } + } return; } final long ident = Binder.clearCallingIdentity(); try { + // Set a subtype to this input method. + // subtypeId the name of a subtype which will be set. + setSelectedInputMethodAndSubtypeLocked(info, subtypeId, false); + // mCurMethodId should be updated after setSelectedInputMethodAndSubtypeLocked() + // because mCurMethodId is stored as a history in + // setSelectedInputMethodAndSubtypeLocked(). mCurMethodId = id; - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, id); if (ActivityManagerNative.isSystemReady()) { Intent intent = new Intent(Intent.ACTION_INPUT_METHOD_CHANGED); @@ -1089,9 +1168,11 @@ public class InputMethodManagerService extends IInputMethodManager.Stub if (!mIWindowManager.inputMethodClientHasFocus(client)) { if (DEBUG) Slog.w(TAG, "Ignoring hideSoftInput of uid " + uid + ": " + client); + mStatusBar.setIMEButtonVisible(mCurToken, false); return false; } } catch (RemoteException e) { + mStatusBar.setIMEButtonVisible(mCurToken, false); return false; } } @@ -1164,11 +1245,22 @@ public class InputMethodManagerService extends IInputMethodManager.Stub } mCurFocusedWindow = windowToken; + // Should we auto-show the IME even if the caller has not + // specified what should be done with it? + // We only do this automatically if the window can resize + // to accommodate the IME (so what the user sees will give + // them good context without input information being obscured + // by the IME) or if running on a large screen where there + // is more room for the target window + IME. + final boolean doAutoShow = + (softInputMode & WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) + == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE + || mRes.getConfiguration().isLayoutSizeAtLeast( + Configuration.SCREENLAYOUT_SIZE_LARGE); + switch (softInputMode&WindowManager.LayoutParams.SOFT_INPUT_MASK_STATE) { case WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED: - if (!isTextEditor || (softInputMode & - WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) - != WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE) { + if (!isTextEditor || !doAutoShow) { if (WindowManager.LayoutParams.mayUseInputMethod(windowFlags)) { // There is no focus view, and this window will // be behind any soft input window, so hide the @@ -1176,13 +1268,15 @@ public class InputMethodManagerService extends IInputMethodManager.Stub if (DEBUG) Slog.v(TAG, "Unspecified window will hide input"); hideCurrentInputLocked(InputMethodManager.HIDE_NOT_ALWAYS, null); } - } else if (isTextEditor && (softInputMode & - WindowManager.LayoutParams.SOFT_INPUT_MASK_ADJUST) - == WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE - && (softInputMode & - WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { + } else if (isTextEditor && doAutoShow && (softInputMode & + WindowManager.LayoutParams.SOFT_INPUT_IS_FORWARD_NAVIGATION) != 0) { // There is a focus view, and we are navigating forward // into the window, so show the input window for the user. + // We only do this automatically if the window an resize + // to accomodate the IME (so what the user sees will give + // them good context without input information being obscured + // by the IME) or if running on a large screen where there + // is more room for the target window + IME. if (DEBUG) Slog.v(TAG, "Unspecified window will show input"); showCurrentInputLocked(InputMethodManager.SHOW_IMPLICIT, null); } @@ -1223,15 +1317,59 @@ public class InputMethodManagerService extends IInputMethodManager.Stub synchronized (mMethodMap) { if (mCurClient == null || client == null || mCurClient.client.asBinder() != client.asBinder()) { - Slog.w(TAG, "Ignoring showInputMethodDialogFromClient of uid " + Slog.w(TAG, "Ignoring showInputMethodPickerFromClient of uid " + Binder.getCallingUid() + ": " + client); } - mHandler.sendEmptyMessage(MSG_SHOW_IM_PICKER); + // Always call subtype picker, because subtype picker is a superset of input method + // picker. + mHandler.sendEmptyMessage(MSG_SHOW_IM_SUBTYPE_PICKER); } } public void setInputMethod(IBinder token, String id) { + setInputMethodWithSubtypeId(token, id, NOT_A_SUBTYPE_ID); + } + + public void setInputMethodAndSubtype(IBinder token, String id, InputMethodSubtype subtype) { + synchronized (mMethodMap) { + if (subtype != null) { + setInputMethodWithSubtypeId(token, id, getSubtypeIdFromHashCode( + mMethodMap.get(id), subtype.hashCode())); + } else { + setInputMethod(token, id); + } + } + } + + public void showInputMethodAndSubtypeEnablerFromClient( + IInputMethodClient client, String inputMethodId) { + synchronized (mMethodMap) { + if (mCurClient == null || client == null + || mCurClient.client.asBinder() != client.asBinder()) { + Slog.w(TAG, "Ignoring showInputMethodAndSubtypeEnablerFromClient of: " + client); + } + executeOrSendMessage(mCurMethod, mCaller.obtainMessageO( + MSG_SHOW_IM_SUBTYPE_ENABLER, inputMethodId)); + } + } + + public boolean switchToLastInputMethod(IBinder token) { + synchronized (mMethodMap) { + Pair<String, String> lastIme = mSettings.getLastInputMethodAndSubtypeLocked(); + if (lastIme != null) { + InputMethodInfo imi = mMethodMap.get(lastIme.first); + if (imi != null) { + setInputMethodWithSubtypeId(token, lastIme.first, getSubtypeIdFromHashCode( + imi, Integer.valueOf(lastIme.second))); + return true; + } + } + return false; + } + } + + private void setInputMethodWithSubtypeId(IBinder token, String id, int subtypeId) { synchronized (mMethodMap) { if (token == null) { if (mContext.checkCallingOrSelfPermission( @@ -1249,7 +1387,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub long ident = Binder.clearCallingIdentity(); try { - setInputMethodLocked(id); + setInputMethodLocked(id, subtypeId); } finally { Binder.restoreCallingIdentity(ident); } @@ -1315,6 +1453,19 @@ public class InputMethodManagerService extends IInputMethodManager.Stub showInputMethodMenu(); return true; + case MSG_SHOW_IM_SUBTYPE_PICKER: + showInputMethodSubtypeMenu(); + return true; + + case MSG_SHOW_IM_SUBTYPE_ENABLER: + args = (HandlerCaller.SomeArgs)msg.obj; + showInputMethodAndSubtypeEnabler((String)args.arg1); + return true; + + case MSG_SHOW_IM_CONFIG: + showConfigureInputMethods(); + return true; + // --------------------------------------------------------- case MSG_UNBIND_INPUT: @@ -1413,8 +1564,17 @@ public class InputMethodManagerService extends IInputMethodManager.Stub & ApplicationInfo.FLAG_SYSTEM) != 0; } + private static ArrayList<InputMethodSubtype> getSubtypes(InputMethodInfo imi) { + ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); + final int subtypeCount = imi.getSubtypeCount(); + for (int i = 0; i < subtypeCount; ++i) { + subtypes.add(imi.getSubtypeAt(i)); + } + return subtypes; + } + private boolean chooseNewDefaultIMELocked() { - List<InputMethodInfo> enabled = getEnabledInputMethodListLocked(); + List<InputMethodInfo> enabled = mSettings.getEnabledInputMethodListLocked(); if (enabled != null && enabled.size() > 0) { // We'd prefer to fall back on a system IME, since that is safer. int i=enabled.size(); @@ -1425,9 +1585,11 @@ public class InputMethodManagerService extends IInputMethodManager.Stub break; } } - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, - enabled.get(i).getId()); + InputMethodInfo imi = enabled.get(i); + if (DEBUG) { + Slog.d(TAG, "New default IME was selected: " + imi.getId()); + } + resetSelectedInputMethodAndSubtypeLocked(imi.getId()); return true; } @@ -1440,7 +1602,7 @@ public class InputMethodManagerService extends IInputMethodManager.Stub map.clear(); PackageManager pm = mContext.getPackageManager(); - final Configuration config = mContext.getResources().getConfiguration(); + final Configuration config = mRes.getConfiguration(); final boolean haveHardKeyboard = config.keyboard == Configuration.KEYBOARD_QWERTY; String disabledSysImes = Settings.Secure.getString(mContext.getContentResolver(), Secure.DISABLED_SYSTEM_INPUT_METHODS); @@ -1498,7 +1660,34 @@ public class InputMethodManagerService extends IInputMethodManager.Stub // ---------------------------------------------------------------------- - void showInputMethodMenu() { + private void showInputMethodMenu() { + showInputMethodMenuInternal(false); + } + + private void showInputMethodSubtypeMenu() { + showInputMethodMenuInternal(true); + } + + private void showInputMethodAndSubtypeEnabler(String inputMethodId) { + Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); + intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK + | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED + | Intent.FLAG_ACTIVITY_CLEAR_TOP); + if (!TextUtils.isEmpty(inputMethodId)) { + intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); + } + mContext.startActivity(intent); + } + + private void showConfigureInputMethods() { + Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SETTINGS); + intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK + | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED + | Intent.FLAG_ACTIVITY_CLEAR_TOP); + mContext.startActivity(intent); + } + + private void showInputMethodMenuInternal(boolean showSubtypes) { if (DEBUG) Slog.v(TAG, "Show switching menu"); final Context context = mContext; @@ -1507,48 +1696,81 @@ public class InputMethodManagerService extends IInputMethodManager.Stub String lastInputMethodId = Settings.Secure.getString(context .getContentResolver(), Settings.Secure.DEFAULT_INPUT_METHOD); + int lastInputMethodSubtypeId = getSelectedInputMethodSubtypeId(lastInputMethodId); if (DEBUG) Slog.v(TAG, "Current IME: " + lastInputMethodId); - final List<InputMethodInfo> immis = getEnabledInputMethodList(); - - if (immis == null) { - return; - } - synchronized (mMethodMap) { - hideInputMethodMenuLocked(); + final HashMap<InputMethodInfo, List<InputMethodSubtype>> immis = + getExplicitlyOrImplicitlyEnabledInputMethodsAndSubtypeListLocked(); + if (immis == null || immis.size() == 0) { + return; + } - int N = immis.size(); + hideInputMethodMenuLocked(); - final Map<CharSequence, InputMethodInfo> imMap = - new TreeMap<CharSequence, InputMethodInfo>(Collator.getInstance()); + final Map<CharSequence, Pair<InputMethodInfo, Integer>> imMap = + new TreeMap<CharSequence, Pair<InputMethodInfo, Integer>>(Collator.getInstance()); - for (int i = 0; i < N; ++i) { - InputMethodInfo property = immis.get(i); - if (property == null) { - continue; + for (InputMethodInfo imi: immis.keySet()) { + if (imi == null) continue; + List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypeList = immis.get(imi); + HashSet<String> enabledSubtypeSet = new HashSet<String>(); + for (InputMethodSubtype subtype: explicitlyOrImplicitlyEnabledSubtypeList) { + enabledSubtypeSet.add(String.valueOf(subtype.hashCode())); + } + ArrayList<InputMethodSubtype> subtypes = getSubtypes(imi); + CharSequence label = imi.loadLabel(pm); + if (showSubtypes && enabledSubtypeSet.size() > 0) { + final int subtypeCount = imi.getSubtypeCount(); + for (int j = 0; j < subtypeCount; ++j) { + InputMethodSubtype subtype = imi.getSubtypeAt(j); + if (enabledSubtypeSet.contains(String.valueOf(subtype.hashCode()))) { + CharSequence title; + int nameResId = subtype.getNameResId(); + String mode = subtype.getMode(); + if (nameResId != 0) { + title = pm.getText(imi.getPackageName(), nameResId, + imi.getServiceInfo().applicationInfo); + } else { + CharSequence language = subtype.getLocale(); + // TODO: Use more friendly Title and UI + title = label + "," + (mode == null ? "" : mode) + "," + + (language == null ? "" : language); + } + imMap.put(title, new Pair<InputMethodInfo, Integer>(imi, j)); + } + } + } else { + imMap.put(label, + new Pair<InputMethodInfo, Integer>(imi, NOT_A_SUBTYPE_ID)); } - imMap.put(property.loadLabel(pm), property); } - N = imMap.size(); + final int N = imMap.size(); mItems = imMap.keySet().toArray(new CharSequence[N]); - mIms = imMap.values().toArray(new InputMethodInfo[N]); - + mIms = new InputMethodInfo[N]; + mSubtypeIds = new int[N]; int checkedItem = 0; for (int i = 0; i < N; ++i) { + Pair<InputMethodInfo, Integer> value = imMap.get(mItems[i]); + mIms[i] = value.first; + mSubtypeIds[i] = value.second; if (mIms[i].getId().equals(lastInputMethodId)) { - checkedItem = i; - break; + int subtypeId = mSubtypeIds[i]; + if ((subtypeId == NOT_A_SUBTYPE_ID) + || (lastInputMethodSubtypeId == NOT_A_SUBTYPE_ID && subtypeId == 0) + || (subtypeId == lastInputMethodSubtypeId)) { + checkedItem = i; + } } } - + AlertDialog.OnClickListener adocl = new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { hideInputMethodMenu(); } }; - + TypedArray a = context.obtainStyledAttributes(null, com.android.internal.R.styleable.DialogPreference, com.android.internal.R.attr.alertDialogStyle, 0); @@ -1562,23 +1784,38 @@ public class InputMethodManagerService extends IInputMethodManager.Stub .setIcon(a.getDrawable( com.android.internal.R.styleable.DialogPreference_dialogTitle)); a.recycle(); - + mDialogBuilder.setSingleChoiceItems(mItems, checkedItem, new AlertDialog.OnClickListener() { public void onClick(DialogInterface dialog, int which) { synchronized (mMethodMap) { - if (mIms == null || mIms.length <= which) { + if (mIms == null || mIms.length <= which + || mSubtypeIds == null || mSubtypeIds.length <= which) { return; } InputMethodInfo im = mIms[which]; + int subtypeId = mSubtypeIds[which]; hideInputMethodMenu(); if (im != null) { - setInputMethodLocked(im.getId()); + if ((subtypeId < 0) + || (subtypeId >= im.getSubtypeCount())) { + subtypeId = NOT_A_SUBTYPE_ID; + } + setInputMethodLocked(im.getId(), subtypeId); } } } }); + if (showSubtypes) { + mDialogBuilder.setPositiveButton( + com.android.internal.R.string.configure_input_methods, + new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int whichButton) { + showConfigureInputMethods(); + } + }); + } mSwitchingDialog = mDialogBuilder.create(); mSwitchingDialog.getWindow().setType( WindowManager.LayoutParams.TYPE_INPUT_METHOD_DIALOG); @@ -1630,80 +1867,795 @@ public class InputMethodManagerService extends IInputMethodManager.Stub // Make sure this is a valid input method. InputMethodInfo imm = mMethodMap.get(id); if (imm == null) { - if (imm == null) { - throw new IllegalArgumentException("Unknown id: " + mCurMethodId); + throw new IllegalArgumentException("Unknown id: " + mCurMethodId); + } + + List<Pair<String, ArrayList<String>>> enabledInputMethodsList = mSettings + .getEnabledInputMethodsAndSubtypeListLocked(); + + if (enabled) { + for (Pair<String, ArrayList<String>> pair: enabledInputMethodsList) { + if (pair.first.equals(id)) { + // We are enabling this input method, but it is already enabled. + // Nothing to do. The previous state was enabled. + return true; + } + } + mSettings.appendAndPutEnabledInputMethodLocked(id, false); + // Previous state was disabled. + return false; + } else { + StringBuilder builder = new StringBuilder(); + if (mSettings.buildAndPutEnabledInputMethodsStrRemovingIdLocked( + builder, enabledInputMethodsList, id)) { + // Disabled input method is currently selected, switch to another one. + String selId = Settings.Secure.getString(mContext.getContentResolver(), + Settings.Secure.DEFAULT_INPUT_METHOD); + if (id.equals(selId) && !chooseNewDefaultIMELocked()) { + Slog.i(TAG, "Can't find new IME, unsetting the current input method."); + resetSelectedInputMethodAndSubtypeLocked(""); + } + // Previous state was enabled. + return true; + } else { + // We are disabling the input method but it is already disabled. + // Nothing to do. The previous state was disabled. + return false; } } + } - StringBuilder builder = new StringBuilder(256); + private boolean canAddToLastInputMethod(InputMethodSubtype subtype) { + if (subtype == null) return true; + String[] extraValues = subtype.getExtraValue().split(","); + final int N = extraValues.length; + for (int i = 0; i < N; ++i) { + if (SUBTYPE_EXTRAVALUE_EXCLUDE_FROM_LAST_IME.equals(extraValues[i])) { + return false; + } + } + return true; + } - boolean removed = false; - String firstId = null; + private void saveCurrentInputMethodAndSubtypeToHistory() { + String subtypeId = NOT_A_SUBTYPE_ID_STR; + if (mCurrentSubtype != null) { + subtypeId = String.valueOf(mCurrentSubtype.hashCode()); + } + if (canAddToLastInputMethod(mCurrentSubtype)) { + mSettings.addSubtypeToHistory(mCurMethodId, subtypeId); + } + } - // Look through the currently enabled input methods. - String enabledStr = Settings.Secure.getString(mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS); - if (enabledStr != null) { - final TextUtils.SimpleStringSplitter splitter = mStringColonSplitter; - splitter.setString(enabledStr); - while (splitter.hasNext()) { - String curId = splitter.next(); - if (curId.equals(id)) { - if (enabled) { - // We are enabling this input method, but it is - // already enabled. Nothing to do. The previous - // state was enabled. - return true; + private void setSelectedInputMethodAndSubtypeLocked(InputMethodInfo imi, int subtypeId, + boolean setSubtypeOnly) { + // Update the history of InputMethod and Subtype + saveCurrentInputMethodAndSubtypeToHistory(); + + // Set Subtype here + if (imi == null || subtypeId < 0) { + mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); + mCurrentSubtype = null; + } else { + if (subtypeId < imi.getSubtypeCount()) { + InputMethodSubtype subtype = imi.getSubtypeAt(subtypeId); + mSettings.putSelectedSubtype(subtype.hashCode()); + mCurrentSubtype = subtype; + } else { + mSettings.putSelectedSubtype(NOT_A_SUBTYPE_ID); + mCurrentSubtype = null; + } + } + + if (!setSubtypeOnly) { + // Set InputMethod here + mSettings.putSelectedInputMethod(imi != null ? imi.getId() : ""); + } + } + + private void resetSelectedInputMethodAndSubtypeLocked(String newDefaultIme) { + InputMethodInfo imi = mMethodMap.get(newDefaultIme); + int lastSubtypeId = NOT_A_SUBTYPE_ID; + // newDefaultIme is empty when there is no candidate for the selected IME. + if (imi != null && !TextUtils.isEmpty(newDefaultIme)) { + String subtypeHashCode = mSettings.getLastSubtypeForInputMethodLocked(newDefaultIme); + if (subtypeHashCode != null) { + try { + lastSubtypeId = getSubtypeIdFromHashCode( + imi, Integer.valueOf(subtypeHashCode)); + } catch (NumberFormatException e) { + Slog.w(TAG, "HashCode for subtype looks broken: " + subtypeHashCode, e); + } + } + } + setSelectedInputMethodAndSubtypeLocked(imi, lastSubtypeId, false); + } + + private int getSelectedInputMethodSubtypeId(String id) { + InputMethodInfo imi = mMethodMap.get(id); + if (imi == null) { + return NOT_A_SUBTYPE_ID; + } + int subtypeId; + try { + subtypeId = Settings.Secure.getInt(mContext.getContentResolver(), + Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE); + } catch (SettingNotFoundException e) { + return NOT_A_SUBTYPE_ID; + } + return getSubtypeIdFromHashCode(imi, subtypeId); + } + + private int getSubtypeIdFromHashCode(InputMethodInfo imi, int subtypeHashCode) { + if (imi != null) { + final int subtypeCount = imi.getSubtypeCount(); + for (int i = 0; i < subtypeCount; ++i) { + InputMethodSubtype ims = imi.getSubtypeAt(i); + if (subtypeHashCode == ims.hashCode()) { + return i; + } + } + } + return NOT_A_SUBTYPE_ID; + } + + private static ArrayList<InputMethodSubtype> getApplicableSubtypesLocked( + Resources res, List<InputMethodSubtype> subtypes) { + final String systemLocale = res.getConfiguration().locale.toString(); + if (TextUtils.isEmpty(systemLocale)) return new ArrayList<InputMethodSubtype>(); + HashMap<String, InputMethodSubtype> applicableModeAndSubtypesMap = + new HashMap<String, InputMethodSubtype>(); + final int N = subtypes.size(); + boolean containsKeyboardSubtype = false; + for (int i = 0; i < N; ++i) { + InputMethodSubtype subtype = subtypes.get(i); + final String locale = subtype.getLocale(); + final String mode = subtype.getMode(); + // When system locale starts with subtype's locale, that subtype will be applicable + // for system locale + // For instance, it's clearly applicable for cases like system locale = en_US and + // subtype = en, but it is not necessarily considered applicable for cases like system + // locale = en and subtype = en_US. + // We just call systemLocale.startsWith(locale) in this function because there is no + // need to find applicable subtypes aggressively unlike + // findLastResortApplicableSubtypeLocked. + if (systemLocale.startsWith(locale)) { + InputMethodSubtype applicableSubtype = applicableModeAndSubtypesMap.get(mode); + // If more applicable subtypes are contained, skip. + if (applicableSubtype != null + && systemLocale.equals(applicableSubtype.getLocale())) continue; + applicableModeAndSubtypesMap.put(mode, subtype); + if (!containsKeyboardSubtype + && SUBTYPE_MODE_KEYBOARD.equalsIgnoreCase(subtype.getMode())) { + containsKeyboardSubtype = true; + } + } + } + ArrayList<InputMethodSubtype> applicableSubtypes = new ArrayList<InputMethodSubtype>( + applicableModeAndSubtypesMap.values()); + if (!containsKeyboardSubtype) { + InputMethodSubtype lastResortKeyboardSubtype = findLastResortApplicableSubtypeLocked( + res, subtypes, SUBTYPE_MODE_KEYBOARD, systemLocale, true); + if (lastResortKeyboardSubtype != null) { + applicableSubtypes.add(lastResortKeyboardSubtype); + } + } + return applicableSubtypes; + } + + /** + * If there are no selected subtypes, tries finding the most applicable one according to the + * given locale. + * @param subtypes this function will search the most applicable subtype in subtypes + * @param mode subtypes will be filtered by mode + * @param locale subtypes will be filtered by locale + * @param canIgnoreLocaleAsLastResort if this function can't find the most applicable subtype, + * it will return the first subtype matched with mode + * @return the most applicable subtypeId + */ + private static InputMethodSubtype findLastResortApplicableSubtypeLocked( + Resources res, List<InputMethodSubtype> subtypes, String mode, String locale, + boolean canIgnoreLocaleAsLastResort) { + if (subtypes == null || subtypes.size() == 0) { + return null; + } + if (TextUtils.isEmpty(locale)) { + locale = res.getConfiguration().locale.toString(); + } + final String language = locale.substring(0, 2); + boolean partialMatchFound = false; + InputMethodSubtype applicableSubtype = null; + InputMethodSubtype firstMatchedModeSubtype = null; + final int N = subtypes.size(); + for (int i = 0; i < N; ++i) { + InputMethodSubtype subtype = subtypes.get(i); + final String subtypeLocale = subtype.getLocale(); + // An applicable subtype should match "mode". If mode is null, mode will be ignored, + // and all subtypes with all modes can be candidates. + if (mode == null || subtypes.get(i).getMode().equalsIgnoreCase(mode)) { + if (firstMatchedModeSubtype == null) { + firstMatchedModeSubtype = subtype; + } + if (locale.equals(subtypeLocale)) { + // Exact match (e.g. system locale is "en_US" and subtype locale is "en_US") + applicableSubtype = subtype; + break; + } else if (!partialMatchFound && subtypeLocale.startsWith(language)) { + // Partial match (e.g. system locale is "en_US" and subtype locale is "en") + applicableSubtype = subtype; + partialMatchFound = true; + } + } + } + + if (applicableSubtype == null && canIgnoreLocaleAsLastResort) { + return firstMatchedModeSubtype; + } + + // The first subtype applicable to the system locale will be defined as the most applicable + // subtype. + if (DEBUG) { + if (applicableSubtype != null) { + Slog.d(TAG, "Applicable InputMethodSubtype was found: " + + applicableSubtype.getMode() + "," + applicableSubtype.getLocale()); + } + } + return applicableSubtype; + } + + // If there are no selected shortcuts, tries finding the most applicable ones. + private Pair<InputMethodInfo, InputMethodSubtype> + findLastResortApplicableShortcutInputMethodAndSubtypeLocked(String mode) { + List<InputMethodInfo> imis = mSettings.getEnabledInputMethodListLocked(); + InputMethodInfo mostApplicableIMI = null; + InputMethodSubtype mostApplicableSubtype = null; + boolean foundInSystemIME = false; + + // Search applicable subtype for each InputMethodInfo + for (InputMethodInfo imi: imis) { + final String imiId = imi.getId(); + if (foundInSystemIME && !imiId.equals(mCurMethodId)) { + continue; + } + InputMethodSubtype subtype = null; + final List<InputMethodSubtype> enabledSubtypes = + getEnabledInputMethodSubtypeList(imi, true); + // 1. Search by the current subtype's locale from enabledSubtypes. + if (mCurrentSubtype != null) { + subtype = findLastResortApplicableSubtypeLocked( + mRes, enabledSubtypes, mode, mCurrentSubtype.getLocale(), false); + } + // 2. Search by the system locale from enabledSubtypes. + // 3. Search the first enabled subtype matched with mode from enabledSubtypes. + if (subtype == null) { + subtype = findLastResortApplicableSubtypeLocked( + mRes, enabledSubtypes, mode, null, true); + } + // 4. Search by the current subtype's locale from all subtypes. + if (subtype == null && mCurrentSubtype != null) { + subtype = findLastResortApplicableSubtypeLocked( + mRes, getSubtypes(imi), mode, mCurrentSubtype.getLocale(), false); + } + // 5. Search by the system locale from all subtypes. + // 6. Search the first enabled subtype matched with mode from all subtypes. + if (subtype == null) { + subtype = findLastResortApplicableSubtypeLocked( + mRes, getSubtypes(imi), mode, null, true); + } + if (subtype != null) { + if (imiId.equals(mCurMethodId)) { + // The current input method is the most applicable IME. + mostApplicableIMI = imi; + mostApplicableSubtype = subtype; + break; + } else if (!foundInSystemIME) { + // The system input method is 2nd applicable IME. + mostApplicableIMI = imi; + mostApplicableSubtype = subtype; + if ((imi.getServiceInfo().applicationInfo.flags + & ApplicationInfo.FLAG_SYSTEM) != 0) { + foundInSystemIME = true; + } + } + } + } + if (DEBUG) { + if (mostApplicableIMI != null) { + Slog.w(TAG, "Most applicable shortcut input method was:" + + mostApplicableIMI.getId()); + if (mostApplicableSubtype != null) { + Slog.w(TAG, "Most applicable shortcut input method subtype was:" + + "," + mostApplicableSubtype.getMode() + "," + + mostApplicableSubtype.getLocale()); + } + } + } + if (mostApplicableIMI != null) { + return new Pair<InputMethodInfo, InputMethodSubtype> (mostApplicableIMI, + mostApplicableSubtype); + } else { + return null; + } + } + + /** + * @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) { + } + synchronized (mMethodMap) { + 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) { + InputMethodInfo imi = mMethodMap.get(lastInputMethodId); + if (imi != null) { + // If there are no selected subtypes, the framework will try to find + // the most applicable subtype from explicitly or implicitly enabled + // subtypes. + List<InputMethodSubtype> explicitlyOrImplicitlyEnabledSubtypes = + getEnabledInputMethodSubtypeList(imi, true); + // If there is only one explicitly or implicitly enabled subtype, + // just returns it. + if (explicitlyOrImplicitlyEnabledSubtypes.size() == 1) { + mCurrentSubtype = explicitlyOrImplicitlyEnabledSubtypes.get(0); + } else if (explicitlyOrImplicitlyEnabledSubtypes.size() > 1) { + mCurrentSubtype = findLastResortApplicableSubtypeLocked( + mRes, explicitlyOrImplicitlyEnabledSubtypes, + SUBTYPE_MODE_KEYBOARD, null, true); + if (mCurrentSubtype == null) { + mCurrentSubtype = findLastResortApplicableSubtypeLocked( + mRes, explicitlyOrImplicitlyEnabledSubtypes, null, null, + true); + } + } + } + } else { + mCurrentSubtype = + getSubtypes(mMethodMap.get(lastInputMethodId)).get(subtypeId); + } + } + return mCurrentSubtype; + } + } + + private void addShortcutInputMethodAndSubtypes(InputMethodInfo imi, + InputMethodSubtype subtype) { + if (mShortcutInputMethodsAndSubtypes.containsKey(imi)) { + mShortcutInputMethodsAndSubtypes.get(imi).add(subtype); + } else { + ArrayList<InputMethodSubtype> subtypes = new ArrayList<InputMethodSubtype>(); + subtypes.add(subtype); + mShortcutInputMethodsAndSubtypes.put(imi, subtypes); + } + } + + // TODO: We should change the return type from List to List<Parcelable> + public List getShortcutInputMethodsAndSubtypes() { + synchronized (mMethodMap) { + ArrayList<Object> ret = new ArrayList<Object>(); + if (mShortcutInputMethodsAndSubtypes.size() == 0) { + // If there are no selected shortcut subtypes, the framework will try to find + // the most applicable subtype from all subtypes whose mode is + // SUBTYPE_MODE_VOICE. This is an exceptional case, so we will hardcode the mode. + Pair<InputMethodInfo, InputMethodSubtype> info = + findLastResortApplicableShortcutInputMethodAndSubtypeLocked( + SUBTYPE_MODE_VOICE); + if (info != null) { + ret.add(info.first); + ret.add(info.second); + } + return ret; + } + for (InputMethodInfo imi: mShortcutInputMethodsAndSubtypes.keySet()) { + ret.add(imi); + for (InputMethodSubtype subtype: mShortcutInputMethodsAndSubtypes.get(imi)) { + ret.add(subtype); + } + } + return ret; + } + } + + public boolean setCurrentInputMethodSubtype(InputMethodSubtype subtype) { + synchronized (mMethodMap) { + if (subtype != null && mCurMethodId != null) { + InputMethodInfo imi = mMethodMap.get(mCurMethodId); + int subtypeId = getSubtypeIdFromHashCode(imi, subtype.hashCode()); + if (subtypeId != NOT_A_SUBTYPE_ID) { + setInputMethodLocked(mCurMethodId, subtypeId); + return true; + } + } + return false; + } + } + + /** + * Utility class for putting and getting settings for InputMethod + * TODO: Move all putters and getters of settings to this class. + */ + private static class InputMethodSettings { + // The string for enabled input method is saved as follows: + // example: ("ime0;subtype0;subtype1;subtype2:ime1:ime2;subtype0") + private static final char INPUT_METHOD_SEPARATER = ':'; + private static final char INPUT_METHOD_SUBTYPE_SEPARATER = ';'; + private final TextUtils.SimpleStringSplitter mInputMethodSplitter = + new TextUtils.SimpleStringSplitter(INPUT_METHOD_SEPARATER); + + private final TextUtils.SimpleStringSplitter mSubtypeSplitter = + new TextUtils.SimpleStringSplitter(INPUT_METHOD_SUBTYPE_SEPARATER); + + private final Resources mRes; + private final ContentResolver mResolver; + private final HashMap<String, InputMethodInfo> mMethodMap; + private final ArrayList<InputMethodInfo> mMethodList; + + private String mEnabledInputMethodsStrCache; + + private static void buildEnabledInputMethodsSettingString( + StringBuilder builder, Pair<String, ArrayList<String>> pair) { + String id = pair.first; + ArrayList<String> subtypes = pair.second; + builder.append(id); + // Inputmethod and subtypes are saved in the settings as follows: + // ime0;subtype0;subtype1:ime1;subtype0:ime2:ime3;subtype0;subtype1 + for (String subtypeId: subtypes) { + builder.append(INPUT_METHOD_SUBTYPE_SEPARATER).append(subtypeId); + } + } + + public InputMethodSettings( + Resources res, ContentResolver resolver, + HashMap<String, InputMethodInfo> methodMap, ArrayList<InputMethodInfo> methodList) { + mRes = res; + mResolver = resolver; + mMethodMap = methodMap; + mMethodList = methodList; + } + + public List<InputMethodInfo> getEnabledInputMethodListLocked() { + return createEnabledInputMethodListLocked( + getEnabledInputMethodsAndSubtypeListLocked()); + } + + public List<Pair<InputMethodInfo, ArrayList<String>>> + getEnabledInputMethodAndSubtypeHashCodeListLocked() { + return createEnabledInputMethodAndSubtypeHashCodeListLocked( + getEnabledInputMethodsAndSubtypeListLocked()); + } + + public List<InputMethodSubtype> getEnabledInputMethodSubtypeListLocked( + InputMethodInfo imi) { + List<Pair<String, ArrayList<String>>> imsList = + getEnabledInputMethodsAndSubtypeListLocked(); + ArrayList<InputMethodSubtype> enabledSubtypes = + new ArrayList<InputMethodSubtype>(); + if (imi != null) { + for (Pair<String, ArrayList<String>> imsPair : imsList) { + InputMethodInfo info = mMethodMap.get(imsPair.first); + if (info != null && info.getId().equals(imi.getId())) { + final int subtypeCount = info.getSubtypeCount(); + for (int i = 0; i < subtypeCount; ++i) { + InputMethodSubtype ims = info.getSubtypeAt(i); + for (String s: imsPair.second) { + if (String.valueOf(ims.hashCode()).equals(s)) { + enabledSubtypes.add(ims); + } + } + } + break; + } + } + } + return enabledSubtypes; + } + + // At the initial boot, the settings for input methods are not set, + // so we need to enable IME in that case. + public void enableAllIMEsIfThereIsNoEnabledIME() { + if (TextUtils.isEmpty(getEnabledInputMethodsStr())) { + StringBuilder sb = new StringBuilder(); + final int N = mMethodList.size(); + for (int i = 0; i < N; i++) { + InputMethodInfo imi = mMethodList.get(i); + Slog.i(TAG, "Adding: " + imi.getId()); + if (i > 0) sb.append(':'); + sb.append(imi.getId()); + } + putEnabledInputMethodsStr(sb.toString()); + } + } + + private List<Pair<String, ArrayList<String>>> getEnabledInputMethodsAndSubtypeListLocked() { + ArrayList<Pair<String, ArrayList<String>>> imsList + = new ArrayList<Pair<String, ArrayList<String>>>(); + final String enabledInputMethodsStr = getEnabledInputMethodsStr(); + if (TextUtils.isEmpty(enabledInputMethodsStr)) { + return imsList; + } + mInputMethodSplitter.setString(enabledInputMethodsStr); + while (mInputMethodSplitter.hasNext()) { + String nextImsStr = mInputMethodSplitter.next(); + mSubtypeSplitter.setString(nextImsStr); + if (mSubtypeSplitter.hasNext()) { + ArrayList<String> subtypeHashes = new ArrayList<String>(); + // The first element is ime id. + String imeId = mSubtypeSplitter.next(); + while (mSubtypeSplitter.hasNext()) { + subtypeHashes.add(mSubtypeSplitter.next()); } + imsList.add(new Pair<String, ArrayList<String>>(imeId, subtypeHashes)); + } + } + return imsList; + } + + public void appendAndPutEnabledInputMethodLocked(String id, boolean reloadInputMethodStr) { + if (reloadInputMethodStr) { + getEnabledInputMethodsStr(); + } + if (TextUtils.isEmpty(mEnabledInputMethodsStrCache)) { + // Add in the newly enabled input method. + putEnabledInputMethodsStr(id); + } else { + putEnabledInputMethodsStr( + mEnabledInputMethodsStrCache + INPUT_METHOD_SEPARATER + id); + } + } + + /** + * Build and put a string of EnabledInputMethods with removing specified Id. + * @return the specified id was removed or not. + */ + public boolean buildAndPutEnabledInputMethodsStrRemovingIdLocked( + StringBuilder builder, List<Pair<String, ArrayList<String>>> imsList, String id) { + boolean isRemoved = false; + boolean needsAppendSeparator = false; + for (Pair<String, ArrayList<String>> ims: imsList) { + String curId = ims.first; + if (curId.equals(id)) { // We are disabling this input method, and it is // currently enabled. Skip it to remove from the // new list. - removed = true; - } else if (!enabled) { - // We are building a new list of input methods that - // doesn't contain the given one. - if (firstId == null) firstId = curId; - if (builder.length() > 0) builder.append(':'); - builder.append(curId); + isRemoved = true; + } else { + if (needsAppendSeparator) { + builder.append(INPUT_METHOD_SEPARATER); + } else { + needsAppendSeparator = true; + } + buildEnabledInputMethodsSettingString(builder, ims); } } + if (isRemoved) { + // Update the setting with the new list of input methods. + putEnabledInputMethodsStr(builder.toString()); + } + return isRemoved; } - if (!enabled) { - if (!removed) { - // We are disabling the input method but it is already - // disabled. Nothing to do. The previous state was - // disabled. - return false; + private List<InputMethodInfo> createEnabledInputMethodListLocked( + List<Pair<String, ArrayList<String>>> imsList) { + final ArrayList<InputMethodInfo> res = new ArrayList<InputMethodInfo>(); + for (Pair<String, ArrayList<String>> ims: imsList) { + InputMethodInfo info = mMethodMap.get(ims.first); + if (info != null) { + res.add(info); + } } - // Update the setting with the new list of input methods. - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS, builder.toString()); - // We the disabled input method is currently selected, switch - // to another one. - String selId = Settings.Secure.getString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD); - if (id.equals(selId)) { - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.DEFAULT_INPUT_METHOD, - firstId != null ? firstId : ""); + return res; + } + + private List<Pair<InputMethodInfo, ArrayList<String>>> + createEnabledInputMethodAndSubtypeHashCodeListLocked( + List<Pair<String, ArrayList<String>>> imsList) { + final ArrayList<Pair<InputMethodInfo, ArrayList<String>>> res + = new ArrayList<Pair<InputMethodInfo, ArrayList<String>>>(); + for (Pair<String, ArrayList<String>> ims : imsList) { + InputMethodInfo info = mMethodMap.get(ims.first); + if (info != null) { + res.add(new Pair<InputMethodInfo, ArrayList<String>>(info, ims.second)); + } } - // Previous state was enabled. - return true; + return res; } - // Add in the newly enabled input method. - if (enabledStr == null || enabledStr.length() == 0) { - enabledStr = id; - } else { - enabledStr = enabledStr + ':' + id; + private void putEnabledInputMethodsStr(String str) { + Settings.Secure.putString(mResolver, Settings.Secure.ENABLED_INPUT_METHODS, str); + mEnabledInputMethodsStrCache = str; } - Settings.Secure.putString(mContext.getContentResolver(), - Settings.Secure.ENABLED_INPUT_METHODS, enabledStr); + private String getEnabledInputMethodsStr() { + mEnabledInputMethodsStrCache = Settings.Secure.getString( + mResolver, Settings.Secure.ENABLED_INPUT_METHODS); + if (DEBUG) { + Slog.d(TAG, "getEnabledInputMethodsStr: " + mEnabledInputMethodsStrCache); + } + return mEnabledInputMethodsStrCache; + } - // Previous state was disabled. - return false; + private void saveSubtypeHistory( + List<Pair<String, String>> savedImes, String newImeId, String newSubtypeId) { + StringBuilder builder = new StringBuilder(); + boolean isImeAdded = false; + if (!TextUtils.isEmpty(newImeId) && !TextUtils.isEmpty(newSubtypeId)) { + builder.append(newImeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( + newSubtypeId); + isImeAdded = true; + } + for (Pair<String, String> ime: savedImes) { + String imeId = ime.first; + String subtypeId = ime.second; + if (TextUtils.isEmpty(subtypeId)) { + subtypeId = NOT_A_SUBTYPE_ID_STR; + } + if (isImeAdded) { + builder.append(INPUT_METHOD_SEPARATER); + } else { + isImeAdded = true; + } + builder.append(imeId).append(INPUT_METHOD_SUBTYPE_SEPARATER).append( + subtypeId); + } + // Remove the last INPUT_METHOD_SEPARATER + putSubtypeHistoryStr(builder.toString()); + } + + public void addSubtypeToHistory(String imeId, String subtypeId) { + List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); + for (Pair<String, String> ime: subtypeHistory) { + if (ime.first.equals(imeId)) { + if (DEBUG) { + Slog.v(TAG, "Subtype found in the history: " + imeId + ", " + + ime.second); + } + // We should break here + subtypeHistory.remove(ime); + break; + } + } + if (DEBUG) { + Slog.v(TAG, "Add subtype to the history: " + imeId + ", " + subtypeId); + } + saveSubtypeHistory(subtypeHistory, imeId, subtypeId); + } + + private void putSubtypeHistoryStr(String str) { + if (DEBUG) { + Slog.d(TAG, "putSubtypeHistoryStr: " + str); + } + Settings.Secure.putString( + mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY, str); + } + + public Pair<String, String> getLastInputMethodAndSubtypeLocked() { + // Gets the first one from the history + return getLastSubtypeForInputMethodLockedInternal(null); + } + + public String getLastSubtypeForInputMethodLocked(String imeId) { + Pair<String, String> ime = getLastSubtypeForInputMethodLockedInternal(imeId); + if (ime != null) { + return ime.second; + } else { + return null; + } + } + + private Pair<String, String> getLastSubtypeForInputMethodLockedInternal(String imeId) { + List<Pair<String, ArrayList<String>>> enabledImes = + getEnabledInputMethodsAndSubtypeListLocked(); + List<Pair<String, String>> subtypeHistory = loadInputMethodAndSubtypeHistoryLocked(); + for (Pair<String, String> imeAndSubtype: subtypeHistory) { + final String imeInTheHistory = imeAndSubtype.first; + // If imeId is empty, returns the first IME and subtype in the history + if (TextUtils.isEmpty(imeId) || imeInTheHistory.equals(imeId)) { + final String subtypeInTheHistory = imeAndSubtype.second; + final String subtypeHashCode = + getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked( + enabledImes, imeInTheHistory, subtypeInTheHistory); + if (!TextUtils.isEmpty(subtypeHashCode)) { + if (DEBUG) { + Slog.d(TAG, "Enabled subtype found in the history: " + subtypeHashCode); + } + return new Pair<String, String>(imeInTheHistory, subtypeHashCode); + } + } + } + if (DEBUG) { + Slog.d(TAG, "No enabled IME found in the history"); + } + return null; + } + + private String getEnabledSubtypeHashCodeForInputMethodAndSubtypeLocked(List<Pair<String, + ArrayList<String>>> enabledImes, String imeId, String subtypeHashCode) { + for (Pair<String, ArrayList<String>> enabledIme: enabledImes) { + if (enabledIme.first.equals(imeId)) { + final ArrayList<String> explicitlyEnabledSubtypes = enabledIme.second; + if (explicitlyEnabledSubtypes.size() == 0) { + // If there are no explicitly enabled subtypes, applicable subtypes are + // enabled implicitly. + InputMethodInfo ime = mMethodMap.get(imeId); + // If IME is enabled and no subtypes are enabled, applicable subtypes + // are enabled implicitly, so needs to treat them to be enabled. + if (ime != null && ime.getSubtypeCount() > 0) { + List<InputMethodSubtype> implicitlySelectedSubtypes = + getApplicableSubtypesLocked(mRes, getSubtypes(ime)); + if (implicitlySelectedSubtypes != null) { + final int N = implicitlySelectedSubtypes.size(); + for (int i = 0; i < N; ++i) { + final InputMethodSubtype st = implicitlySelectedSubtypes.get(i); + if (String.valueOf(st.hashCode()).equals(subtypeHashCode)) { + return subtypeHashCode; + } + } + } + } + } else { + for (String s: explicitlyEnabledSubtypes) { + if (s.equals(subtypeHashCode)) { + // If both imeId and subtypeId are enabled, return subtypeId. + return s; + } + } + } + // If imeId was enabled but subtypeId was disabled. + return NOT_A_SUBTYPE_ID_STR; + } + } + // If both imeId and subtypeId are disabled, return null + return null; + } + + private List<Pair<String, String>> loadInputMethodAndSubtypeHistoryLocked() { + ArrayList<Pair<String, String>> imsList = new ArrayList<Pair<String, String>>(); + final String subtypeHistoryStr = getSubtypeHistoryStr(); + if (TextUtils.isEmpty(subtypeHistoryStr)) { + return imsList; + } + mInputMethodSplitter.setString(subtypeHistoryStr); + while (mInputMethodSplitter.hasNext()) { + String nextImsStr = mInputMethodSplitter.next(); + mSubtypeSplitter.setString(nextImsStr); + if (mSubtypeSplitter.hasNext()) { + String subtypeId = NOT_A_SUBTYPE_ID_STR; + // The first element is ime id. + String imeId = mSubtypeSplitter.next(); + while (mSubtypeSplitter.hasNext()) { + subtypeId = mSubtypeSplitter.next(); + break; + } + imsList.add(new Pair<String, String>(imeId, subtypeId)); + } + } + return imsList; + } + + private String getSubtypeHistoryStr() { + if (DEBUG) { + Slog.d(TAG, "getSubtypeHistoryStr: " + Settings.Secure.getString( + mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY)); + } + return Settings.Secure.getString( + mResolver, Settings.Secure.INPUT_METHODS_SUBTYPE_HISTORY); + } + + public void putSelectedInputMethod(String imeId) { + Settings.Secure.putString(mResolver, Settings.Secure.DEFAULT_INPUT_METHOD, imeId); + } + + public void putSelectedSubtype(int subtypeId) { + Settings.Secure.putInt( + mResolver, Settings.Secure.SELECTED_INPUT_METHOD_SUBTYPE, subtypeId); + } } // ---------------------------------------------------------------------- |