| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * 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.server.input; |
| |
| import com.android.internal.R; |
| import com.android.internal.util.XmlUtils; |
| import com.android.server.Watchdog; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| |
| import android.Manifest; |
| import android.app.Notification; |
| import android.app.NotificationManager; |
| import android.app.PendingIntent; |
| import android.bluetooth.BluetoothAdapter; |
| import android.bluetooth.BluetoothDevice; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.pm.ActivityInfo; |
| import android.content.pm.PackageManager; |
| import android.content.pm.ResolveInfo; |
| import android.content.pm.PackageManager.NameNotFoundException; |
| import android.content.res.Resources; |
| import android.content.res.Resources.NotFoundException; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.database.ContentObserver; |
| import android.hardware.input.IInputManager; |
| import android.hardware.input.IInputDevicesChangedListener; |
| import android.hardware.input.InputManager; |
| import android.hardware.input.KeyboardLayout; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Environment; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Message; |
| import android.os.MessageQueue; |
| import android.os.Process; |
| import android.os.RemoteException; |
| import android.provider.Settings; |
| import android.provider.Settings.SettingNotFoundException; |
| import android.server.BluetoothService; |
| import android.util.Log; |
| import android.util.Slog; |
| import android.util.SparseArray; |
| import android.util.Xml; |
| import android.view.InputChannel; |
| import android.view.InputDevice; |
| import android.view.InputEvent; |
| import android.view.KeyEvent; |
| import android.view.PointerIcon; |
| import android.view.Surface; |
| import android.view.ViewConfiguration; |
| import android.view.WindowManagerPolicy; |
| import android.widget.Toast; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.FileNotFoundException; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| |
| import libcore.io.Streams; |
| import libcore.util.Objects; |
| |
| /* |
| * Wraps the C++ InputManager and provides its callbacks. |
| */ |
| public class InputManagerService extends IInputManager.Stub implements Watchdog.Monitor { |
| static final String TAG = "InputManager"; |
| static final boolean DEBUG = false; |
| |
| private static final String EXCLUDED_DEVICES_PATH = "etc/excluded-input-devices.xml"; |
| |
| private static final int MSG_DELIVER_INPUT_DEVICES_CHANGED = 1; |
| private static final int MSG_SWITCH_KEYBOARD_LAYOUT = 2; |
| private static final int MSG_RELOAD_KEYBOARD_LAYOUTS = 3; |
| private static final int MSG_UPDATE_KEYBOARD_LAYOUTS = 4; |
| private static final int MSG_RELOAD_DEVICE_ALIASES = 5; |
| |
| // Pointer to native input manager service object. |
| private final int mPtr; |
| |
| private final Context mContext; |
| private final Callbacks mCallbacks; |
| private final InputManagerHandler mHandler; |
| private boolean mSystemReady; |
| private BluetoothService mBluetoothService; |
| private NotificationManager mNotificationManager; |
| |
| // Persistent data store. Must be locked each time during use. |
| private final PersistentDataStore mDataStore = new PersistentDataStore(); |
| |
| // List of currently registered input devices changed listeners by process id. |
| private Object mInputDevicesLock = new Object(); |
| private boolean mInputDevicesChangedPending; // guarded by mInputDevicesLock |
| private InputDevice[] mInputDevices = new InputDevice[0]; |
| private final SparseArray<InputDevicesChangedListenerRecord> mInputDevicesChangedListeners = |
| new SparseArray<InputDevicesChangedListenerRecord>(); // guarded by mInputDevicesLock |
| private final ArrayList<InputDevicesChangedListenerRecord> |
| mTempInputDevicesChangedListenersToNotify = |
| new ArrayList<InputDevicesChangedListenerRecord>(); // handler thread only |
| private final ArrayList<InputDevice> |
| mTempFullKeyboards = new ArrayList<InputDevice>(); // handler thread only |
| private boolean mKeyboardLayoutNotificationShown; |
| private PendingIntent mKeyboardLayoutIntent; |
| private Toast mSwitchedKeyboardLayoutToast; |
| |
| // State for vibrator tokens. |
| private Object mVibratorLock = new Object(); |
| private HashMap<IBinder, VibratorToken> mVibratorTokens = |
| new HashMap<IBinder, VibratorToken>(); |
| private int mNextVibratorTokenValue; |
| |
| // State for the currently installed input filter. |
| final Object mInputFilterLock = new Object(); |
| InputFilter mInputFilter; // guarded by mInputFilterLock |
| InputFilterHost mInputFilterHost; // guarded by mInputFilterLock |
| |
| private static native int nativeInit(InputManagerService service, |
| Context context, MessageQueue messageQueue); |
| private static native void nativeStart(int ptr); |
| private static native void nativeSetDisplaySize(int ptr, int displayId, |
| int width, int height, int externalWidth, int externalHeight); |
| private static native void nativeSetDisplayOrientation(int ptr, int displayId, |
| int rotation, int externalRotation); |
| |
| private static native int nativeGetScanCodeState(int ptr, |
| int deviceId, int sourceMask, int scanCode); |
| private static native int nativeGetKeyCodeState(int ptr, |
| int deviceId, int sourceMask, int keyCode); |
| private static native int nativeGetSwitchState(int ptr, |
| int deviceId, int sourceMask, int sw); |
| private static native boolean nativeHasKeys(int ptr, |
| int deviceId, int sourceMask, int[] keyCodes, boolean[] keyExists); |
| private static native void nativeRegisterInputChannel(int ptr, InputChannel inputChannel, |
| InputWindowHandle inputWindowHandle, boolean monitor); |
| private static native void nativeUnregisterInputChannel(int ptr, InputChannel inputChannel); |
| private static native void nativeSetInputFilterEnabled(int ptr, boolean enable); |
| private static native int nativeInjectInputEvent(int ptr, InputEvent event, |
| int injectorPid, int injectorUid, int syncMode, int timeoutMillis, |
| int policyFlags); |
| private static native void nativeSetInputWindows(int ptr, InputWindowHandle[] windowHandles); |
| private static native void nativeSetInputDispatchMode(int ptr, boolean enabled, boolean frozen); |
| private static native void nativeSetSystemUiVisibility(int ptr, int visibility); |
| private static native void nativeSetFocusedApplication(int ptr, |
| InputApplicationHandle application); |
| private static native boolean nativeTransferTouchFocus(int ptr, |
| InputChannel fromChannel, InputChannel toChannel); |
| private static native void nativeSetPointerSpeed(int ptr, int speed); |
| private static native void nativeSetShowTouches(int ptr, boolean enabled); |
| private static native void nativeVibrate(int ptr, int deviceId, long[] pattern, |
| int repeat, int token); |
| private static native void nativeCancelVibrate(int ptr, int deviceId, int token); |
| private static native void nativeReloadKeyboardLayouts(int ptr); |
| private static native void nativeReloadDeviceAliases(int ptr); |
| private static native String nativeDump(int ptr); |
| private static native void nativeMonitor(int ptr); |
| |
| // Input event injection constants defined in InputDispatcher.h. |
| private static final int INPUT_EVENT_INJECTION_SUCCEEDED = 0; |
| private static final int INPUT_EVENT_INJECTION_PERMISSION_DENIED = 1; |
| private static final int INPUT_EVENT_INJECTION_FAILED = 2; |
| private static final int INPUT_EVENT_INJECTION_TIMED_OUT = 3; |
| |
| // Maximum number of milliseconds to wait for input event injection. |
| private static final int INJECTION_TIMEOUT_MILLIS = 30 * 1000; |
| |
| // Key states (may be returned by queries about the current state of a |
| // particular key code, scan code or switch). |
| |
| /** The key state is unknown or the requested key itself is not supported. */ |
| public static final int KEY_STATE_UNKNOWN = -1; |
| |
| /** The key is up. /*/ |
| public static final int KEY_STATE_UP = 0; |
| |
| /** The key is down. */ |
| public static final int KEY_STATE_DOWN = 1; |
| |
| /** The key is down but is a virtual key press that is being emulated by the system. */ |
| public static final int KEY_STATE_VIRTUAL = 2; |
| |
| /** Scan code: Mouse / trackball button. */ |
| public static final int BTN_MOUSE = 0x110; |
| |
| /** Switch code: Lid switch. When set, lid is shut. */ |
| public static final int SW_LID = 0x00; |
| |
| /** Switch code: Keypad slide. When set, keyboard is exposed. */ |
| public static final int SW_KEYPAD_SLIDE = 0x0a; |
| |
| public InputManagerService(Context context, Callbacks callbacks) { |
| this.mContext = context; |
| this.mCallbacks = callbacks; |
| this.mHandler = new InputManagerHandler(); |
| |
| Slog.i(TAG, "Initializing input manager"); |
| mPtr = nativeInit(this, mContext, mHandler.getLooper().getQueue()); |
| } |
| |
| public void start() { |
| Slog.i(TAG, "Starting input manager"); |
| nativeStart(mPtr); |
| |
| // Add ourself to the Watchdog monitors. |
| Watchdog.getInstance().addMonitor(this); |
| |
| registerPointerSpeedSettingObserver(); |
| registerShowTouchesSettingObserver(); |
| |
| updatePointerSpeedFromSettings(); |
| updateShowTouchesFromSettings(); |
| } |
| |
| public void systemReady(BluetoothService bluetoothService) { |
| if (DEBUG) { |
| Slog.d(TAG, "System ready."); |
| } |
| mBluetoothService = bluetoothService; |
| mNotificationManager = (NotificationManager)mContext.getSystemService( |
| Context.NOTIFICATION_SERVICE); |
| mSystemReady = true; |
| |
| IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); |
| filter.addAction(Intent.ACTION_PACKAGE_REMOVED); |
| filter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| filter.addDataScheme("package"); |
| mContext.registerReceiver(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| updateKeyboardLayouts(); |
| } |
| }, filter, null, mHandler); |
| |
| filter = new IntentFilter(BluetoothDevice.ACTION_ALIAS_CHANGED); |
| mContext.registerReceiver(new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| reloadDeviceAliases(); |
| } |
| }, filter, null, mHandler); |
| |
| mHandler.sendEmptyMessage(MSG_RELOAD_DEVICE_ALIASES); |
| mHandler.sendEmptyMessage(MSG_UPDATE_KEYBOARD_LAYOUTS); |
| } |
| |
| private void reloadKeyboardLayouts() { |
| if (DEBUG) { |
| Slog.d(TAG, "Reloading keyboard layouts."); |
| } |
| nativeReloadKeyboardLayouts(mPtr); |
| } |
| |
| private void reloadDeviceAliases() { |
| if (DEBUG) { |
| Slog.d(TAG, "Reloading device names."); |
| } |
| nativeReloadDeviceAliases(mPtr); |
| } |
| |
| public void setDisplaySize(int displayId, int width, int height, |
| int externalWidth, int externalHeight) { |
| if (width <= 0 || height <= 0 || externalWidth <= 0 || externalHeight <= 0) { |
| throw new IllegalArgumentException("Invalid display id or dimensions."); |
| } |
| |
| if (DEBUG) { |
| Slog.d(TAG, "Setting display #" + displayId + " size to " + width + "x" + height |
| + " external size " + externalWidth + "x" + externalHeight); |
| } |
| nativeSetDisplaySize(mPtr, displayId, width, height, externalWidth, externalHeight); |
| } |
| |
| public void setDisplayOrientation(int displayId, int rotation, int externalRotation) { |
| if (rotation < Surface.ROTATION_0 || rotation > Surface.ROTATION_270) { |
| throw new IllegalArgumentException("Invalid rotation."); |
| } |
| |
| if (DEBUG) { |
| Slog.d(TAG, "Setting display #" + displayId + " orientation to rotation " + rotation |
| + " external rotation " + externalRotation); |
| } |
| nativeSetDisplayOrientation(mPtr, displayId, rotation, externalRotation); |
| } |
| |
| /** |
| * Gets the current state of a key or button by key code. |
| * @param deviceId The input device id, or -1 to consult all devices. |
| * @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to |
| * consider all input sources. An input device is consulted if at least one of its |
| * non-class input source bits matches the specified source mask. |
| * @param keyCode The key code to check. |
| * @return The key state. |
| */ |
| public int getKeyCodeState(int deviceId, int sourceMask, int keyCode) { |
| return nativeGetKeyCodeState(mPtr, deviceId, sourceMask, keyCode); |
| } |
| |
| /** |
| * Gets the current state of a key or button by scan code. |
| * @param deviceId The input device id, or -1 to consult all devices. |
| * @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to |
| * consider all input sources. An input device is consulted if at least one of its |
| * non-class input source bits matches the specified source mask. |
| * @param scanCode The scan code to check. |
| * @return The key state. |
| */ |
| public int getScanCodeState(int deviceId, int sourceMask, int scanCode) { |
| return nativeGetScanCodeState(mPtr, deviceId, sourceMask, scanCode); |
| } |
| |
| /** |
| * Gets the current state of a switch by switch code. |
| * @param deviceId The input device id, or -1 to consult all devices. |
| * @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to |
| * consider all input sources. An input device is consulted if at least one of its |
| * non-class input source bits matches the specified source mask. |
| * @param switchCode The switch code to check. |
| * @return The switch state. |
| */ |
| public int getSwitchState(int deviceId, int sourceMask, int switchCode) { |
| return nativeGetSwitchState(mPtr, deviceId, sourceMask, switchCode); |
| } |
| |
| /** |
| * Determines whether the specified key codes are supported by a particular device. |
| * @param deviceId The input device id, or -1 to consult all devices. |
| * @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to |
| * consider all input sources. An input device is consulted if at least one of its |
| * non-class input source bits matches the specified source mask. |
| * @param keyCodes The array of key codes to check. |
| * @param keyExists An array at least as large as keyCodes whose entries will be set |
| * to true or false based on the presence or absence of support for the corresponding |
| * key codes. |
| * @return True if the lookup was successful, false otherwise. |
| */ |
| @Override // Binder call |
| public boolean hasKeys(int deviceId, int sourceMask, int[] keyCodes, boolean[] keyExists) { |
| if (keyCodes == null) { |
| throw new IllegalArgumentException("keyCodes must not be null."); |
| } |
| if (keyExists == null || keyExists.length < keyCodes.length) { |
| throw new IllegalArgumentException("keyExists must not be null and must be at " |
| + "least as large as keyCodes."); |
| } |
| |
| return nativeHasKeys(mPtr, deviceId, sourceMask, keyCodes, keyExists); |
| } |
| |
| /** |
| * Creates an input channel that will receive all input from the input dispatcher. |
| * @param inputChannelName The input channel name. |
| * @return The input channel. |
| */ |
| public InputChannel monitorInput(String inputChannelName) { |
| if (inputChannelName == null) { |
| throw new IllegalArgumentException("inputChannelName must not be null."); |
| } |
| |
| InputChannel[] inputChannels = InputChannel.openInputChannelPair(inputChannelName); |
| nativeRegisterInputChannel(mPtr, inputChannels[0], null, true); |
| inputChannels[0].dispose(); // don't need to retain the Java object reference |
| return inputChannels[1]; |
| } |
| |
| /** |
| * Registers an input channel so that it can be used as an input event target. |
| * @param inputChannel The input channel to register. |
| * @param inputWindowHandle The handle of the input window associated with the |
| * input channel, or null if none. |
| */ |
| public void registerInputChannel(InputChannel inputChannel, |
| InputWindowHandle inputWindowHandle) { |
| if (inputChannel == null) { |
| throw new IllegalArgumentException("inputChannel must not be null."); |
| } |
| |
| nativeRegisterInputChannel(mPtr, inputChannel, inputWindowHandle, false); |
| } |
| |
| /** |
| * Unregisters an input channel. |
| * @param inputChannel The input channel to unregister. |
| */ |
| public void unregisterInputChannel(InputChannel inputChannel) { |
| if (inputChannel == null) { |
| throw new IllegalArgumentException("inputChannel must not be null."); |
| } |
| |
| nativeUnregisterInputChannel(mPtr, inputChannel); |
| } |
| |
| /** |
| * Sets an input filter that will receive all input events before they are dispatched. |
| * The input filter may then reinterpret input events or inject new ones. |
| * |
| * To ensure consistency, the input dispatcher automatically drops all events |
| * in progress whenever an input filter is installed or uninstalled. After an input |
| * filter is uninstalled, it can no longer send input events unless it is reinstalled. |
| * Any events it attempts to send after it has been uninstalled will be dropped. |
| * |
| * @param filter The input filter, or null to remove the current filter. |
| */ |
| public void setInputFilter(InputFilter filter) { |
| synchronized (mInputFilterLock) { |
| final InputFilter oldFilter = mInputFilter; |
| if (oldFilter == filter) { |
| return; // nothing to do |
| } |
| |
| if (oldFilter != null) { |
| mInputFilter = null; |
| mInputFilterHost.disconnectLocked(); |
| mInputFilterHost = null; |
| oldFilter.uninstall(); |
| } |
| |
| if (filter != null) { |
| mInputFilter = filter; |
| mInputFilterHost = new InputFilterHost(); |
| filter.install(mInputFilterHost); |
| } |
| |
| nativeSetInputFilterEnabled(mPtr, filter != null); |
| } |
| } |
| |
| @Override // Binder call |
| public boolean injectInputEvent(InputEvent event, int mode) { |
| if (event == null) { |
| throw new IllegalArgumentException("event must not be null"); |
| } |
| if (mode != InputManager.INJECT_INPUT_EVENT_MODE_ASYNC |
| && mode != InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH |
| && mode != InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_RESULT) { |
| throw new IllegalArgumentException("mode is invalid"); |
| } |
| |
| final int pid = Binder.getCallingPid(); |
| final int uid = Binder.getCallingUid(); |
| final long ident = Binder.clearCallingIdentity(); |
| final int result; |
| try { |
| result = nativeInjectInputEvent(mPtr, event, pid, uid, mode, |
| INJECTION_TIMEOUT_MILLIS, WindowManagerPolicy.FLAG_DISABLE_KEY_REPEAT); |
| } finally { |
| Binder.restoreCallingIdentity(ident); |
| } |
| switch (result) { |
| case INPUT_EVENT_INJECTION_PERMISSION_DENIED: |
| Slog.w(TAG, "Input event injection from pid " + pid + " permission denied."); |
| throw new SecurityException( |
| "Injecting to another application requires INJECT_EVENTS permission"); |
| case INPUT_EVENT_INJECTION_SUCCEEDED: |
| return true; |
| case INPUT_EVENT_INJECTION_TIMED_OUT: |
| Slog.w(TAG, "Input event injection from pid " + pid + " timed out."); |
| return false; |
| case INPUT_EVENT_INJECTION_FAILED: |
| default: |
| Slog.w(TAG, "Input event injection from pid " + pid + " failed."); |
| return false; |
| } |
| } |
| |
| /** |
| * Gets information about the input device with the specified id. |
| * @param id The device id. |
| * @return The input device or null if not found. |
| */ |
| @Override // Binder call |
| public InputDevice getInputDevice(int deviceId) { |
| synchronized (mInputDevicesLock) { |
| final int count = mInputDevices.length; |
| for (int i = 0; i < count; i++) { |
| final InputDevice inputDevice = mInputDevices[i]; |
| if (inputDevice.getId() == deviceId) { |
| return inputDevice; |
| } |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Gets the ids of all input devices in the system. |
| * @return The input device ids. |
| */ |
| @Override // Binder call |
| public int[] getInputDeviceIds() { |
| synchronized (mInputDevicesLock) { |
| final int count = mInputDevices.length; |
| int[] ids = new int[count]; |
| for (int i = 0; i < count; i++) { |
| ids[i] = mInputDevices[i].getId(); |
| } |
| return ids; |
| } |
| } |
| |
| /** |
| * Gets all input devices in the system. |
| * @return The array of input devices. |
| */ |
| public InputDevice[] getInputDevices() { |
| synchronized (mInputDevicesLock) { |
| return mInputDevices; |
| } |
| } |
| |
| @Override // Binder call |
| public void registerInputDevicesChangedListener(IInputDevicesChangedListener listener) { |
| if (listener == null) { |
| throw new IllegalArgumentException("listener must not be null"); |
| } |
| |
| synchronized (mInputDevicesLock) { |
| int callingPid = Binder.getCallingPid(); |
| if (mInputDevicesChangedListeners.get(callingPid) != null) { |
| throw new SecurityException("The calling process has already " |
| + "registered an InputDevicesChangedListener."); |
| } |
| |
| InputDevicesChangedListenerRecord record = |
| new InputDevicesChangedListenerRecord(callingPid, listener); |
| try { |
| IBinder binder = listener.asBinder(); |
| binder.linkToDeath(record, 0); |
| } catch (RemoteException ex) { |
| // give up |
| throw new RuntimeException(ex); |
| } |
| |
| mInputDevicesChangedListeners.put(callingPid, record); |
| } |
| } |
| |
| private void onInputDevicesChangedListenerDied(int pid) { |
| synchronized (mInputDevicesLock) { |
| mInputDevicesChangedListeners.remove(pid); |
| } |
| } |
| |
| // Must be called on handler. |
| private void deliverInputDevicesChanged(InputDevice[] oldInputDevices) { |
| // Scan for changes. |
| int numFullKeyboardsAdded = 0; |
| mTempInputDevicesChangedListenersToNotify.clear(); |
| mTempFullKeyboards.clear(); |
| final int numListeners; |
| final int[] deviceIdAndGeneration; |
| synchronized (mInputDevicesLock) { |
| if (!mInputDevicesChangedPending) { |
| return; |
| } |
| mInputDevicesChangedPending = false; |
| |
| numListeners = mInputDevicesChangedListeners.size(); |
| for (int i = 0; i < numListeners; i++) { |
| mTempInputDevicesChangedListenersToNotify.add( |
| mInputDevicesChangedListeners.valueAt(i)); |
| } |
| |
| final int numDevices = mInputDevices.length; |
| deviceIdAndGeneration = new int[numDevices * 2]; |
| for (int i = 0; i < numDevices; i++) { |
| final InputDevice inputDevice = mInputDevices[i]; |
| deviceIdAndGeneration[i * 2] = inputDevice.getId(); |
| deviceIdAndGeneration[i * 2 + 1] = inputDevice.getGeneration(); |
| |
| if (!inputDevice.isVirtual() && inputDevice.isFullKeyboard()) { |
| if (!containsInputDeviceWithDescriptor(oldInputDevices, |
| inputDevice.getDescriptor())) { |
| mTempFullKeyboards.add(numFullKeyboardsAdded++, inputDevice); |
| } else { |
| mTempFullKeyboards.add(inputDevice); |
| } |
| } |
| } |
| } |
| |
| // Notify listeners. |
| for (int i = 0; i < numListeners; i++) { |
| mTempInputDevicesChangedListenersToNotify.get(i).notifyInputDevicesChanged( |
| deviceIdAndGeneration); |
| } |
| mTempInputDevicesChangedListenersToNotify.clear(); |
| |
| // Check for missing keyboard layouts. |
| if (mNotificationManager != null) { |
| final int numFullKeyboards = mTempFullKeyboards.size(); |
| boolean missingLayoutForExternalKeyboard = false; |
| boolean missingLayoutForExternalKeyboardAdded = false; |
| synchronized (mDataStore) { |
| for (int i = 0; i < numFullKeyboards; i++) { |
| final InputDevice inputDevice = mTempFullKeyboards.get(i); |
| if (mDataStore.getCurrentKeyboardLayout(inputDevice.getDescriptor()) == null) { |
| missingLayoutForExternalKeyboard = true; |
| if (i < numFullKeyboardsAdded) { |
| missingLayoutForExternalKeyboardAdded = true; |
| } |
| } |
| } |
| } |
| if (missingLayoutForExternalKeyboard) { |
| if (missingLayoutForExternalKeyboardAdded) { |
| showMissingKeyboardLayoutNotification(); |
| } |
| } else if (mKeyboardLayoutNotificationShown) { |
| hideMissingKeyboardLayoutNotification(); |
| } |
| } |
| mTempFullKeyboards.clear(); |
| } |
| |
| // Must be called on handler. |
| private void showMissingKeyboardLayoutNotification() { |
| if (!mKeyboardLayoutNotificationShown) { |
| if (mKeyboardLayoutIntent == null) { |
| final Intent intent = new Intent("android.settings.INPUT_METHOD_SETTINGS"); |
| intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED |
| | Intent.FLAG_ACTIVITY_CLEAR_TOP); |
| mKeyboardLayoutIntent = PendingIntent.getActivity(mContext, 0, intent, 0); |
| } |
| |
| Resources r = mContext.getResources(); |
| Notification notification = new Notification.Builder(mContext) |
| .setContentTitle(r.getString( |
| R.string.select_keyboard_layout_notification_title)) |
| .setContentText(r.getString( |
| R.string.select_keyboard_layout_notification_message)) |
| .setContentIntent(mKeyboardLayoutIntent) |
| .setSmallIcon(R.drawable.ic_settings_language) |
| .setPriority(Notification.PRIORITY_LOW) |
| .build(); |
| mNotificationManager.notify(R.string.select_keyboard_layout_notification_title, |
| notification); |
| mKeyboardLayoutNotificationShown = true; |
| } |
| } |
| |
| // Must be called on handler. |
| private void hideMissingKeyboardLayoutNotification() { |
| if (mKeyboardLayoutNotificationShown) { |
| mKeyboardLayoutNotificationShown = false; |
| mNotificationManager.cancel(R.string.select_keyboard_layout_notification_title); |
| } |
| } |
| |
| // Must be called on handler. |
| private void updateKeyboardLayouts() { |
| // Scan all input devices state for keyboard layouts that have been uninstalled. |
| final HashSet<String> availableKeyboardLayouts = new HashSet<String>(); |
| visitAllKeyboardLayouts(new KeyboardLayoutVisitor() { |
| @Override |
| public void visitKeyboardLayout(Resources resources, |
| String descriptor, String label, String collection, int keyboardLayoutResId) { |
| availableKeyboardLayouts.add(descriptor); |
| } |
| }); |
| synchronized (mDataStore) { |
| try { |
| mDataStore.removeUninstalledKeyboardLayouts(availableKeyboardLayouts); |
| } finally { |
| mDataStore.saveIfNeeded(); |
| } |
| } |
| |
| // Reload keyboard layouts. |
| reloadKeyboardLayouts(); |
| } |
| |
| private static boolean containsInputDeviceWithDescriptor(InputDevice[] inputDevices, |
| String descriptor) { |
| final int numDevices = inputDevices.length; |
| for (int i = 0; i < numDevices; i++) { |
| final InputDevice inputDevice = inputDevices[i]; |
| if (inputDevice.getDescriptor().equals(descriptor)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override // Binder call |
| public KeyboardLayout[] getKeyboardLayouts() { |
| final ArrayList<KeyboardLayout> list = new ArrayList<KeyboardLayout>(); |
| visitAllKeyboardLayouts(new KeyboardLayoutVisitor() { |
| @Override |
| public void visitKeyboardLayout(Resources resources, |
| String descriptor, String label, String collection, int keyboardLayoutResId) { |
| list.add(new KeyboardLayout(descriptor, label, collection)); |
| } |
| }); |
| return list.toArray(new KeyboardLayout[list.size()]); |
| } |
| |
| @Override // Binder call |
| public KeyboardLayout getKeyboardLayout(String keyboardLayoutDescriptor) { |
| if (keyboardLayoutDescriptor == null) { |
| throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null"); |
| } |
| |
| final KeyboardLayout[] result = new KeyboardLayout[1]; |
| visitKeyboardLayout(keyboardLayoutDescriptor, new KeyboardLayoutVisitor() { |
| @Override |
| public void visitKeyboardLayout(Resources resources, |
| String descriptor, String label, String collection, int keyboardLayoutResId) { |
| result[0] = new KeyboardLayout(descriptor, label, collection); |
| } |
| }); |
| if (result[0] == null) { |
| Log.w(TAG, "Could not get keyboard layout with descriptor '" |
| + keyboardLayoutDescriptor + "'."); |
| } |
| return result[0]; |
| } |
| |
| private void visitAllKeyboardLayouts(KeyboardLayoutVisitor visitor) { |
| final PackageManager pm = mContext.getPackageManager(); |
| Intent intent = new Intent(InputManager.ACTION_QUERY_KEYBOARD_LAYOUTS); |
| for (ResolveInfo resolveInfo : pm.queryBroadcastReceivers(intent, |
| PackageManager.GET_META_DATA)) { |
| visitKeyboardLayoutsInPackage(pm, resolveInfo.activityInfo, null, visitor); |
| } |
| } |
| |
| private void visitKeyboardLayout(String keyboardLayoutDescriptor, |
| KeyboardLayoutVisitor visitor) { |
| KeyboardLayoutDescriptor d = KeyboardLayoutDescriptor.parse(keyboardLayoutDescriptor); |
| if (d != null) { |
| final PackageManager pm = mContext.getPackageManager(); |
| try { |
| ActivityInfo receiver = pm.getReceiverInfo( |
| new ComponentName(d.packageName, d.receiverName), |
| PackageManager.GET_META_DATA); |
| visitKeyboardLayoutsInPackage(pm, receiver, d.keyboardLayoutName, visitor); |
| } catch (NameNotFoundException ex) { |
| } |
| } |
| } |
| |
| private void visitKeyboardLayoutsInPackage(PackageManager pm, ActivityInfo receiver, |
| String keyboardName, KeyboardLayoutVisitor visitor) { |
| Bundle metaData = receiver.metaData; |
| if (metaData == null) { |
| return; |
| } |
| |
| int configResId = metaData.getInt(InputManager.META_DATA_KEYBOARD_LAYOUTS); |
| if (configResId == 0) { |
| Log.w(TAG, "Missing meta-data '" + InputManager.META_DATA_KEYBOARD_LAYOUTS |
| + "' on receiver " + receiver.packageName + "/" + receiver.name); |
| return; |
| } |
| |
| CharSequence receiverLabel = receiver.loadLabel(pm); |
| String collection = receiverLabel != null ? receiverLabel.toString() : ""; |
| |
| try { |
| Resources resources = pm.getResourcesForApplication(receiver.applicationInfo); |
| XmlResourceParser parser = resources.getXml(configResId); |
| try { |
| XmlUtils.beginDocument(parser, "keyboard-layouts"); |
| |
| for (;;) { |
| XmlUtils.nextElement(parser); |
| String element = parser.getName(); |
| if (element == null) { |
| break; |
| } |
| if (element.equals("keyboard-layout")) { |
| TypedArray a = resources.obtainAttributes( |
| parser, com.android.internal.R.styleable.KeyboardLayout); |
| try { |
| String name = a.getString( |
| com.android.internal.R.styleable.KeyboardLayout_name); |
| String label = a.getString( |
| com.android.internal.R.styleable.KeyboardLayout_label); |
| int keyboardLayoutResId = a.getResourceId( |
| com.android.internal.R.styleable.KeyboardLayout_keyboardLayout, |
| 0); |
| if (name == null || label == null || keyboardLayoutResId == 0) { |
| Log.w(TAG, "Missing required 'name', 'label' or 'keyboardLayout' " |
| + "attributes in keyboard layout " |
| + "resource from receiver " |
| + receiver.packageName + "/" + receiver.name); |
| } else { |
| String descriptor = KeyboardLayoutDescriptor.format( |
| receiver.packageName, receiver.name, name); |
| if (keyboardName == null || name.equals(keyboardName)) { |
| visitor.visitKeyboardLayout(resources, descriptor, |
| label, collection, keyboardLayoutResId); |
| } |
| } |
| } finally { |
| a.recycle(); |
| } |
| } else { |
| Log.w(TAG, "Skipping unrecognized element '" + element |
| + "' in keyboard layout resource from receiver " |
| + receiver.packageName + "/" + receiver.name); |
| } |
| } |
| } finally { |
| parser.close(); |
| } |
| } catch (Exception ex) { |
| Log.w(TAG, "Could not parse keyboard layout resource from receiver " |
| + receiver.packageName + "/" + receiver.name, ex); |
| } |
| } |
| |
| @Override // Binder call |
| public String getCurrentKeyboardLayoutForInputDevice(String inputDeviceDescriptor) { |
| if (inputDeviceDescriptor == null) { |
| throw new IllegalArgumentException("inputDeviceDescriptor must not be null"); |
| } |
| |
| synchronized (mDataStore) { |
| return mDataStore.getCurrentKeyboardLayout(inputDeviceDescriptor); |
| } |
| } |
| |
| @Override // Binder call |
| public void setCurrentKeyboardLayoutForInputDevice(String inputDeviceDescriptor, |
| String keyboardLayoutDescriptor) { |
| if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT, |
| "setCurrentKeyboardLayoutForInputDevice()")) { |
| throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission"); |
| } |
| if (inputDeviceDescriptor == null) { |
| throw new IllegalArgumentException("inputDeviceDescriptor must not be null"); |
| } |
| if (keyboardLayoutDescriptor == null) { |
| throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null"); |
| } |
| |
| synchronized (mDataStore) { |
| try { |
| if (mDataStore.setCurrentKeyboardLayout( |
| inputDeviceDescriptor, keyboardLayoutDescriptor)) { |
| mHandler.sendEmptyMessage(MSG_RELOAD_KEYBOARD_LAYOUTS); |
| } |
| } finally { |
| mDataStore.saveIfNeeded(); |
| } |
| } |
| } |
| |
| @Override // Binder call |
| public String[] getKeyboardLayoutsForInputDevice(String inputDeviceDescriptor) { |
| if (inputDeviceDescriptor == null) { |
| throw new IllegalArgumentException("inputDeviceDescriptor must not be null"); |
| } |
| |
| synchronized (mDataStore) { |
| return mDataStore.getKeyboardLayouts(inputDeviceDescriptor); |
| } |
| } |
| |
| @Override // Binder call |
| public void addKeyboardLayoutForInputDevice(String inputDeviceDescriptor, |
| String keyboardLayoutDescriptor) { |
| if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT, |
| "addKeyboardLayoutForInputDevice()")) { |
| throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission"); |
| } |
| if (inputDeviceDescriptor == null) { |
| throw new IllegalArgumentException("inputDeviceDescriptor must not be null"); |
| } |
| if (keyboardLayoutDescriptor == null) { |
| throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null"); |
| } |
| |
| synchronized (mDataStore) { |
| try { |
| String oldLayout = mDataStore.getCurrentKeyboardLayout(inputDeviceDescriptor); |
| if (mDataStore.addKeyboardLayout(inputDeviceDescriptor, keyboardLayoutDescriptor) |
| && !Objects.equal(oldLayout, |
| mDataStore.getCurrentKeyboardLayout(inputDeviceDescriptor))) { |
| mHandler.sendEmptyMessage(MSG_RELOAD_KEYBOARD_LAYOUTS); |
| } |
| } finally { |
| mDataStore.saveIfNeeded(); |
| } |
| } |
| } |
| |
| @Override // Binder call |
| public void removeKeyboardLayoutForInputDevice(String inputDeviceDescriptor, |
| String keyboardLayoutDescriptor) { |
| if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT, |
| "removeKeyboardLayoutForInputDevice()")) { |
| throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission"); |
| } |
| if (inputDeviceDescriptor == null) { |
| throw new IllegalArgumentException("inputDeviceDescriptor must not be null"); |
| } |
| if (keyboardLayoutDescriptor == null) { |
| throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null"); |
| } |
| |
| synchronized (mDataStore) { |
| try { |
| String oldLayout = mDataStore.getCurrentKeyboardLayout(inputDeviceDescriptor); |
| if (mDataStore.removeKeyboardLayout(inputDeviceDescriptor, |
| keyboardLayoutDescriptor) |
| && !Objects.equal(oldLayout, |
| mDataStore.getCurrentKeyboardLayout(inputDeviceDescriptor))) { |
| mHandler.sendEmptyMessage(MSG_RELOAD_KEYBOARD_LAYOUTS); |
| } |
| } finally { |
| mDataStore.saveIfNeeded(); |
| } |
| } |
| } |
| |
| public void switchKeyboardLayout(int deviceId, int direction) { |
| mHandler.obtainMessage(MSG_SWITCH_KEYBOARD_LAYOUT, deviceId, direction).sendToTarget(); |
| } |
| |
| // Must be called on handler. |
| private void handleSwitchKeyboardLayout(int deviceId, int direction) { |
| final InputDevice device = getInputDevice(deviceId); |
| final String inputDeviceDescriptor = device.getDescriptor(); |
| if (device != null) { |
| final boolean changed; |
| final String keyboardLayoutDescriptor; |
| synchronized (mDataStore) { |
| try { |
| changed = mDataStore.switchKeyboardLayout(inputDeviceDescriptor, direction); |
| keyboardLayoutDescriptor = mDataStore.getCurrentKeyboardLayout( |
| inputDeviceDescriptor); |
| } finally { |
| mDataStore.saveIfNeeded(); |
| } |
| } |
| |
| if (changed) { |
| if (mSwitchedKeyboardLayoutToast != null) { |
| mSwitchedKeyboardLayoutToast.cancel(); |
| mSwitchedKeyboardLayoutToast = null; |
| } |
| if (keyboardLayoutDescriptor != null) { |
| KeyboardLayout keyboardLayout = getKeyboardLayout(keyboardLayoutDescriptor); |
| if (keyboardLayout != null) { |
| mSwitchedKeyboardLayoutToast = Toast.makeText( |
| mContext, keyboardLayout.getLabel(), Toast.LENGTH_SHORT); |
| mSwitchedKeyboardLayoutToast.show(); |
| } |
| } |
| |
| reloadKeyboardLayouts(); |
| } |
| } |
| } |
| |
| public void setInputWindows(InputWindowHandle[] windowHandles) { |
| nativeSetInputWindows(mPtr, windowHandles); |
| } |
| |
| public void setFocusedApplication(InputApplicationHandle application) { |
| nativeSetFocusedApplication(mPtr, application); |
| } |
| |
| public void setInputDispatchMode(boolean enabled, boolean frozen) { |
| nativeSetInputDispatchMode(mPtr, enabled, frozen); |
| } |
| |
| public void setSystemUiVisibility(int visibility) { |
| nativeSetSystemUiVisibility(mPtr, visibility); |
| } |
| |
| /** |
| * Atomically transfers touch focus from one window to another as identified by |
| * their input channels. It is possible for multiple windows to have |
| * touch focus if they support split touch dispatch |
| * {@link android.view.WindowManager.LayoutParams#FLAG_SPLIT_TOUCH} but this |
| * method only transfers touch focus of the specified window without affecting |
| * other windows that may also have touch focus at the same time. |
| * @param fromChannel The channel of a window that currently has touch focus. |
| * @param toChannel The channel of the window that should receive touch focus in |
| * place of the first. |
| * @return True if the transfer was successful. False if the window with the |
| * specified channel did not actually have touch focus at the time of the request. |
| */ |
| public boolean transferTouchFocus(InputChannel fromChannel, InputChannel toChannel) { |
| if (fromChannel == null) { |
| throw new IllegalArgumentException("fromChannel must not be null."); |
| } |
| if (toChannel == null) { |
| throw new IllegalArgumentException("toChannel must not be null."); |
| } |
| return nativeTransferTouchFocus(mPtr, fromChannel, toChannel); |
| } |
| |
| @Override // Binder call |
| public void tryPointerSpeed(int speed) { |
| if (!checkCallingPermission(android.Manifest.permission.SET_POINTER_SPEED, |
| "tryPointerSpeed()")) { |
| throw new SecurityException("Requires SET_POINTER_SPEED permission"); |
| } |
| |
| if (speed < InputManager.MIN_POINTER_SPEED || speed > InputManager.MAX_POINTER_SPEED) { |
| throw new IllegalArgumentException("speed out of range"); |
| } |
| |
| setPointerSpeedUnchecked(speed); |
| } |
| |
| public void updatePointerSpeedFromSettings() { |
| int speed = getPointerSpeedSetting(); |
| setPointerSpeedUnchecked(speed); |
| } |
| |
| private void setPointerSpeedUnchecked(int speed) { |
| speed = Math.min(Math.max(speed, InputManager.MIN_POINTER_SPEED), |
| InputManager.MAX_POINTER_SPEED); |
| nativeSetPointerSpeed(mPtr, speed); |
| } |
| |
| private void registerPointerSpeedSettingObserver() { |
| mContext.getContentResolver().registerContentObserver( |
| Settings.System.getUriFor(Settings.System.POINTER_SPEED), true, |
| new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| updatePointerSpeedFromSettings(); |
| } |
| }); |
| } |
| |
| private int getPointerSpeedSetting() { |
| int speed = InputManager.DEFAULT_POINTER_SPEED; |
| try { |
| speed = Settings.System.getInt(mContext.getContentResolver(), |
| Settings.System.POINTER_SPEED); |
| } catch (SettingNotFoundException snfe) { |
| } |
| return speed; |
| } |
| |
| public void updateShowTouchesFromSettings() { |
| int setting = getShowTouchesSetting(0); |
| nativeSetShowTouches(mPtr, setting != 0); |
| } |
| |
| private void registerShowTouchesSettingObserver() { |
| mContext.getContentResolver().registerContentObserver( |
| Settings.System.getUriFor(Settings.System.SHOW_TOUCHES), true, |
| new ContentObserver(mHandler) { |
| @Override |
| public void onChange(boolean selfChange) { |
| updateShowTouchesFromSettings(); |
| } |
| }); |
| } |
| |
| private int getShowTouchesSetting(int defaultValue) { |
| int result = defaultValue; |
| try { |
| result = Settings.System.getInt(mContext.getContentResolver(), |
| Settings.System.SHOW_TOUCHES); |
| } catch (SettingNotFoundException snfe) { |
| } |
| return result; |
| } |
| |
| // Binder call |
| @Override |
| public void vibrate(int deviceId, long[] pattern, int repeat, IBinder token) { |
| if (repeat >= pattern.length) { |
| throw new ArrayIndexOutOfBoundsException(); |
| } |
| |
| VibratorToken v; |
| synchronized (mVibratorLock) { |
| v = mVibratorTokens.get(token); |
| if (v == null) { |
| v = new VibratorToken(deviceId, token, mNextVibratorTokenValue++); |
| try { |
| token.linkToDeath(v, 0); |
| } catch (RemoteException ex) { |
| // give up |
| throw new RuntimeException(ex); |
| } |
| mVibratorTokens.put(token, v); |
| } |
| } |
| |
| synchronized (v) { |
| v.mVibrating = true; |
| nativeVibrate(mPtr, deviceId, pattern, repeat, v.mTokenValue); |
| } |
| } |
| |
| // Binder call |
| @Override |
| public void cancelVibrate(int deviceId, IBinder token) { |
| VibratorToken v; |
| synchronized (mVibratorLock) { |
| v = mVibratorTokens.get(token); |
| if (v == null || v.mDeviceId != deviceId) { |
| return; // nothing to cancel |
| } |
| } |
| |
| cancelVibrateIfNeeded(v); |
| } |
| |
| void onVibratorTokenDied(VibratorToken v) { |
| synchronized (mVibratorLock) { |
| mVibratorTokens.remove(v.mToken); |
| } |
| |
| cancelVibrateIfNeeded(v); |
| } |
| |
| private void cancelVibrateIfNeeded(VibratorToken v) { |
| synchronized (v) { |
| if (v.mVibrating) { |
| nativeCancelVibrate(mPtr, v.mDeviceId, v.mTokenValue); |
| v.mVibrating = false; |
| } |
| } |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| if (mContext.checkCallingOrSelfPermission(Manifest.permission.DUMP) |
| != PackageManager.PERMISSION_GRANTED) { |
| pw.println("Permission Denial: can't dump InputManager from from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid()); |
| return; |
| } |
| |
| pw.println("INPUT MANAGER (dumpsys input)\n"); |
| String dumpStr = nativeDump(mPtr); |
| if (dumpStr != null) { |
| pw.println(dumpStr); |
| } |
| } |
| |
| private boolean checkCallingPermission(String permission, String func) { |
| // Quick check: if the calling permission is me, it's all okay. |
| if (Binder.getCallingPid() == Process.myPid()) { |
| return true; |
| } |
| |
| if (mContext.checkCallingPermission(permission) == PackageManager.PERMISSION_GRANTED) { |
| return true; |
| } |
| String msg = "Permission Denial: " + func + " from pid=" |
| + Binder.getCallingPid() |
| + ", uid=" + Binder.getCallingUid() |
| + " requires " + permission; |
| Slog.w(TAG, msg); |
| return false; |
| } |
| |
| // Called by the heartbeat to ensure locks are not held indefinitely (for deadlock detection). |
| public void monitor() { |
| synchronized (mInputFilterLock) { } |
| nativeMonitor(mPtr); |
| } |
| |
| // Native callback. |
| private void notifyConfigurationChanged(long whenNanos) { |
| mCallbacks.notifyConfigurationChanged(); |
| } |
| |
| // Native callback. |
| private void notifyInputDevicesChanged(InputDevice[] inputDevices) { |
| synchronized (mInputDevicesLock) { |
| if (!mInputDevicesChangedPending) { |
| mInputDevicesChangedPending = true; |
| mHandler.obtainMessage(MSG_DELIVER_INPUT_DEVICES_CHANGED, |
| mInputDevices).sendToTarget(); |
| } |
| |
| mInputDevices = inputDevices; |
| } |
| } |
| |
| // Native callback. |
| private void notifyLidSwitchChanged(long whenNanos, boolean lidOpen) { |
| mCallbacks.notifyLidSwitchChanged(whenNanos, lidOpen); |
| } |
| |
| // Native callback. |
| private void notifyInputChannelBroken(InputWindowHandle inputWindowHandle) { |
| mCallbacks.notifyInputChannelBroken(inputWindowHandle); |
| } |
| |
| // Native callback. |
| private long notifyANR(InputApplicationHandle inputApplicationHandle, |
| InputWindowHandle inputWindowHandle) { |
| return mCallbacks.notifyANR(inputApplicationHandle, inputWindowHandle); |
| } |
| |
| // Native callback. |
| final boolean filterInputEvent(InputEvent event, int policyFlags) { |
| synchronized (mInputFilterLock) { |
| if (mInputFilter != null) { |
| mInputFilter.filterInputEvent(event, policyFlags); |
| return false; |
| } |
| } |
| event.recycle(); |
| return true; |
| } |
| |
| // Native callback. |
| private int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags, boolean isScreenOn) { |
| return mCallbacks.interceptKeyBeforeQueueing( |
| event, policyFlags, isScreenOn); |
| } |
| |
| // Native callback. |
| private int interceptMotionBeforeQueueingWhenScreenOff(int policyFlags) { |
| return mCallbacks.interceptMotionBeforeQueueingWhenScreenOff(policyFlags); |
| } |
| |
| // Native callback. |
| private long interceptKeyBeforeDispatching(InputWindowHandle focus, |
| KeyEvent event, int policyFlags) { |
| return mCallbacks.interceptKeyBeforeDispatching(focus, event, policyFlags); |
| } |
| |
| // Native callback. |
| private KeyEvent dispatchUnhandledKey(InputWindowHandle focus, |
| KeyEvent event, int policyFlags) { |
| return mCallbacks.dispatchUnhandledKey(focus, event, policyFlags); |
| } |
| |
| // Native callback. |
| private boolean checkInjectEventsPermission(int injectorPid, int injectorUid) { |
| return mContext.checkPermission(android.Manifest.permission.INJECT_EVENTS, |
| injectorPid, injectorUid) == PackageManager.PERMISSION_GRANTED; |
| } |
| |
| // Native callback. |
| private int getVirtualKeyQuietTimeMillis() { |
| return mContext.getResources().getInteger( |
| com.android.internal.R.integer.config_virtualKeyQuietTimeMillis); |
| } |
| |
| // Native callback. |
| private String[] getExcludedDeviceNames() { |
| ArrayList<String> names = new ArrayList<String>(); |
| |
| // Read partner-provided list of excluded input devices |
| XmlPullParser parser = null; |
| // Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system". |
| File confFile = new File(Environment.getRootDirectory(), EXCLUDED_DEVICES_PATH); |
| FileReader confreader = null; |
| try { |
| confreader = new FileReader(confFile); |
| parser = Xml.newPullParser(); |
| parser.setInput(confreader); |
| XmlUtils.beginDocument(parser, "devices"); |
| |
| while (true) { |
| XmlUtils.nextElement(parser); |
| if (!"device".equals(parser.getName())) { |
| break; |
| } |
| String name = parser.getAttributeValue(null, "name"); |
| if (name != null) { |
| names.add(name); |
| } |
| } |
| } catch (FileNotFoundException e) { |
| // It's ok if the file does not exist. |
| } catch (Exception e) { |
| Slog.e(TAG, "Exception while parsing '" + confFile.getAbsolutePath() + "'", e); |
| } finally { |
| try { if (confreader != null) confreader.close(); } catch (IOException e) { } |
| } |
| |
| return names.toArray(new String[names.size()]); |
| } |
| |
| // Native callback. |
| private int getKeyRepeatTimeout() { |
| return ViewConfiguration.getKeyRepeatTimeout(); |
| } |
| |
| // Native callback. |
| private int getKeyRepeatDelay() { |
| return ViewConfiguration.getKeyRepeatDelay(); |
| } |
| |
| // Native callback. |
| private int getHoverTapTimeout() { |
| return ViewConfiguration.getHoverTapTimeout(); |
| } |
| |
| // Native callback. |
| private int getHoverTapSlop() { |
| return ViewConfiguration.getHoverTapSlop(); |
| } |
| |
| // Native callback. |
| private int getDoubleTapTimeout() { |
| return ViewConfiguration.getDoubleTapTimeout(); |
| } |
| |
| // Native callback. |
| private int getLongPressTimeout() { |
| return ViewConfiguration.getLongPressTimeout(); |
| } |
| |
| // Native callback. |
| private int getPointerLayer() { |
| return mCallbacks.getPointerLayer(); |
| } |
| |
| // Native callback. |
| private PointerIcon getPointerIcon() { |
| return PointerIcon.getDefaultIcon(mContext); |
| } |
| |
| // Native callback. |
| private String[] getKeyboardLayoutOverlay(String inputDeviceDescriptor) { |
| if (!mSystemReady) { |
| return null; |
| } |
| |
| String keyboardLayoutDescriptor = getCurrentKeyboardLayoutForInputDevice( |
| inputDeviceDescriptor); |
| if (keyboardLayoutDescriptor == null) { |
| return null; |
| } |
| |
| final String[] result = new String[2]; |
| visitKeyboardLayout(keyboardLayoutDescriptor, new KeyboardLayoutVisitor() { |
| @Override |
| public void visitKeyboardLayout(Resources resources, |
| String descriptor, String label, String collection, int keyboardLayoutResId) { |
| try { |
| result[0] = descriptor; |
| result[1] = Streams.readFully(new InputStreamReader( |
| resources.openRawResource(keyboardLayoutResId))); |
| } catch (IOException ex) { |
| } catch (NotFoundException ex) { |
| } |
| } |
| }); |
| if (result[0] == null) { |
| Log.w(TAG, "Could not get keyboard layout with descriptor '" |
| + keyboardLayoutDescriptor + "'."); |
| return null; |
| } |
| return result; |
| } |
| |
| // Native callback. |
| private String getDeviceAlias(String uniqueId) { |
| if (mBluetoothService != null && |
| BluetoothAdapter.checkBluetoothAddress(uniqueId)) { |
| return mBluetoothService.getRemoteAlias(uniqueId); |
| } |
| return null; |
| } |
| |
| |
| /** |
| * Callback interface implemented by the Window Manager. |
| */ |
| public interface Callbacks { |
| public void notifyConfigurationChanged(); |
| |
| public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen); |
| |
| public void notifyInputChannelBroken(InputWindowHandle inputWindowHandle); |
| |
| public long notifyANR(InputApplicationHandle inputApplicationHandle, |
| InputWindowHandle inputWindowHandle); |
| |
| public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags, boolean isScreenOn); |
| |
| public int interceptMotionBeforeQueueingWhenScreenOff(int policyFlags); |
| |
| public long interceptKeyBeforeDispatching(InputWindowHandle focus, |
| KeyEvent event, int policyFlags); |
| |
| public KeyEvent dispatchUnhandledKey(InputWindowHandle focus, |
| KeyEvent event, int policyFlags); |
| |
| public int getPointerLayer(); |
| } |
| |
| /** |
| * Private handler for the input manager. |
| */ |
| private final class InputManagerHandler extends Handler { |
| @Override |
| public void handleMessage(Message msg) { |
| switch (msg.what) { |
| case MSG_DELIVER_INPUT_DEVICES_CHANGED: |
| deliverInputDevicesChanged((InputDevice[])msg.obj); |
| break; |
| case MSG_SWITCH_KEYBOARD_LAYOUT: |
| handleSwitchKeyboardLayout(msg.arg1, msg.arg2); |
| break; |
| case MSG_RELOAD_KEYBOARD_LAYOUTS: |
| reloadKeyboardLayouts(); |
| break; |
| case MSG_UPDATE_KEYBOARD_LAYOUTS: |
| updateKeyboardLayouts(); |
| break; |
| case MSG_RELOAD_DEVICE_ALIASES: |
| reloadDeviceAliases(); |
| break; |
| } |
| } |
| } |
| |
| /** |
| * Hosting interface for input filters to call back into the input manager. |
| */ |
| private final class InputFilterHost implements InputFilter.Host { |
| private boolean mDisconnected; |
| |
| public void disconnectLocked() { |
| mDisconnected = true; |
| } |
| |
| public void sendInputEvent(InputEvent event, int policyFlags) { |
| if (event == null) { |
| throw new IllegalArgumentException("event must not be null"); |
| } |
| |
| synchronized (mInputFilterLock) { |
| if (!mDisconnected) { |
| nativeInjectInputEvent(mPtr, event, 0, 0, |
| InputManager.INJECT_INPUT_EVENT_MODE_ASYNC, 0, |
| policyFlags | WindowManagerPolicy.FLAG_FILTERED); |
| } |
| } |
| } |
| } |
| |
| private static final class KeyboardLayoutDescriptor { |
| public String packageName; |
| public String receiverName; |
| public String keyboardLayoutName; |
| |
| public static String format(String packageName, |
| String receiverName, String keyboardName) { |
| return packageName + "/" + receiverName + "/" + keyboardName; |
| } |
| |
| public static KeyboardLayoutDescriptor parse(String descriptor) { |
| int pos = descriptor.indexOf('/'); |
| if (pos < 0 || pos + 1 == descriptor.length()) { |
| return null; |
| } |
| int pos2 = descriptor.indexOf('/', pos + 1); |
| if (pos2 < pos + 2 || pos2 + 1 == descriptor.length()) { |
| return null; |
| } |
| |
| KeyboardLayoutDescriptor result = new KeyboardLayoutDescriptor(); |
| result.packageName = descriptor.substring(0, pos); |
| result.receiverName = descriptor.substring(pos + 1, pos2); |
| result.keyboardLayoutName = descriptor.substring(pos2 + 1); |
| return result; |
| } |
| } |
| |
| private interface KeyboardLayoutVisitor { |
| void visitKeyboardLayout(Resources resources, |
| String descriptor, String label, String collection, int keyboardLayoutResId); |
| } |
| |
| private final class InputDevicesChangedListenerRecord implements DeathRecipient { |
| private final int mPid; |
| private final IInputDevicesChangedListener mListener; |
| |
| public InputDevicesChangedListenerRecord(int pid, IInputDevicesChangedListener listener) { |
| mPid = pid; |
| mListener = listener; |
| } |
| |
| @Override |
| public void binderDied() { |
| if (DEBUG) { |
| Slog.d(TAG, "Input devices changed listener for pid " + mPid + " died."); |
| } |
| onInputDevicesChangedListenerDied(mPid); |
| } |
| |
| public void notifyInputDevicesChanged(int[] info) { |
| try { |
| mListener.onInputDevicesChanged(info); |
| } catch (RemoteException ex) { |
| Slog.w(TAG, "Failed to notify process " |
| + mPid + " that input devices changed, assuming it died.", ex); |
| binderDied(); |
| } |
| } |
| } |
| |
| private final class VibratorToken implements DeathRecipient { |
| public final int mDeviceId; |
| public final IBinder mToken; |
| public final int mTokenValue; |
| |
| public boolean mVibrating; |
| |
| public VibratorToken(int deviceId, IBinder token, int tokenValue) { |
| mDeviceId = deviceId; |
| mToken = token; |
| mTokenValue = tokenValue; |
| } |
| |
| @Override |
| public void binderDied() { |
| if (DEBUG) { |
| Slog.d(TAG, "Vibrator token died."); |
| } |
| onVibratorTokenDied(this); |
| } |
| } |
| } |