src.com.android.server.input.InputManagerService Maven / Gradle / Ivy
/*
* 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 android.annotation.NonNull;
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.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;
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.display.DisplayManager;
import android.hardware.display.DisplayViewport;
import android.hardware.input.IInputDevicesChangedListener;
import android.hardware.input.IInputManager;
import android.hardware.input.ITabletModeChangedListener;
import android.hardware.input.InputDeviceIdentifier;
import android.hardware.input.InputManager;
import android.hardware.input.InputManagerInternal;
import android.hardware.input.KeyboardLayout;
import android.hardware.input.TouchCalibration;
import android.os.Binder;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.IBinder;
import android.os.LocaleList;
import android.os.Looper;
import android.os.Message;
import android.os.MessageQueue;
import android.os.Process;
import android.os.RemoteException;
import android.os.UserHandle;
import android.provider.Settings;
import android.provider.Settings.SettingNotFoundException;
import android.text.TextUtils;
import android.util.Log;
import android.util.Pair;
import android.util.Slog;
import android.util.SparseArray;
import android.view.Display;
import android.view.IInputFilter;
import android.view.IInputFilterHost;
import android.view.IInputMonitorHost;
import android.view.IWindow;
import android.view.InputApplicationHandle;
import android.view.InputChannel;
import android.view.InputDevice;
import android.view.InputEvent;
import android.view.InputMonitor;
import android.view.InputWindowHandle;
import android.view.KeyEvent;
import android.view.PointerIcon;
import android.view.Surface;
import android.view.ViewConfiguration;
import android.widget.Toast;
import com.android.internal.R;
import com.android.internal.messages.nano.SystemMessageProto.SystemMessage;
import com.android.internal.notification.SystemNotificationChannels;
import com.android.internal.os.SomeArgs;
import com.android.internal.util.DumpUtils;
import com.android.internal.util.Preconditions;
import com.android.internal.util.XmlUtils;
import com.android.server.DisplayThread;
import com.android.server.LocalServices;
import com.android.server.Watchdog;
import com.android.server.policy.WindowManagerPolicy;
import libcore.io.IoUtils;
import libcore.io.Streams;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Locale;
import java.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 String PORT_ASSOCIATIONS_PATH = "etc/input-port-associations.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;
private static final int MSG_DELIVER_TABLET_MODE_CHANGED = 6;
// Pointer to native input manager service object.
private final long mPtr;
private final Context mContext;
private final InputManagerHandler mHandler;
// Context cache used for loading pointer resources.
private Context mDisplayContext;
private final File mDoubleTouchGestureEnableFile;
private WindowManagerCallbacks mWindowManagerCallbacks;
private WiredAccessoryCallbacks mWiredAccessoryCallbacks;
private boolean mSystemReady;
private NotificationManager mNotificationManager;
private final Object mTabletModeLock = new Object();
// List of currently registered tablet mode changed listeners by process id
private final SparseArray mTabletModeChangedListeners =
new SparseArray<>(); // guarded by mTabletModeLock
private final List mTempTabletModeChangedListenersToNotify =
new ArrayList<>();
// 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 mInputDevicesChangedListeners =
new SparseArray(); // guarded by mInputDevicesLock
private final ArrayList
mTempInputDevicesChangedListenersToNotify =
new ArrayList(); // handler thread only
private final ArrayList
mTempFullKeyboards = new ArrayList(); // handler thread only
private boolean mKeyboardLayoutNotificationShown;
private PendingIntent mKeyboardLayoutIntent;
private Toast mSwitchedKeyboardLayoutToast;
// State for vibrator tokens.
private Object mVibratorLock = new Object();
private HashMap mVibratorTokens =
new HashMap();
private int mNextVibratorTokenValue;
// State for the currently installed input filter.
final Object mInputFilterLock = new Object();
IInputFilter mInputFilter; // guarded by mInputFilterLock
InputFilterHost mInputFilterHost; // guarded by mInputFilterLock
private IWindow mFocusedWindow;
private boolean mFocusedWindowHasCapture;
private static native long nativeInit(InputManagerService service,
Context context, MessageQueue messageQueue);
private static native void nativeStart(long ptr);
private static native void nativeSetDisplayViewports(long ptr,
DisplayViewport[] viewports);
private static native int nativeGetScanCodeState(long ptr,
int deviceId, int sourceMask, int scanCode);
private static native int nativeGetKeyCodeState(long ptr,
int deviceId, int sourceMask, int keyCode);
private static native int nativeGetSwitchState(long ptr,
int deviceId, int sourceMask, int sw);
private static native boolean nativeHasKeys(long ptr,
int deviceId, int sourceMask, int[] keyCodes, boolean[] keyExists);
private static native void nativeRegisterInputChannel(long ptr, InputChannel inputChannel,
int displayId);
private static native void nativeRegisterInputMonitor(long ptr, InputChannel inputChannel,
int displayId, boolean isGestureMonitor);
private static native void nativeUnregisterInputChannel(long ptr, InputChannel inputChannel);
private static native void nativePilferPointers(long ptr, IBinder token);
private static native void nativeSetInputFilterEnabled(long ptr, boolean enable);
private static native int nativeInjectInputEvent(long ptr, InputEvent event,
int injectorPid, int injectorUid, int syncMode, int timeoutMillis,
int policyFlags);
private static native void nativeToggleCapsLock(long ptr, int deviceId);
private static native void nativeSetInputWindows(long ptr, InputWindowHandle[] windowHandles,
int displayId);
private static native void nativeSetInputDispatchMode(long ptr, boolean enabled, boolean frozen);
private static native void nativeSetSystemUiVisibility(long ptr, int visibility);
private static native void nativeSetFocusedApplication(long ptr,
int displayId, InputApplicationHandle application);
private static native void nativeSetFocusedDisplay(long ptr, int displayId);
private static native void nativeSetPointerSpeed(long ptr, int speed);
private static native void nativeSetShowTouches(long ptr, boolean enabled);
private static native void nativeSetInteractive(long ptr, boolean interactive);
private static native void nativeReloadCalibration(long ptr);
private static native void nativeVibrate(long ptr, int deviceId, long[] pattern,
int repeat, int token);
private static native void nativeCancelVibrate(long ptr, int deviceId, int token);
private static native void nativeReloadKeyboardLayouts(long ptr);
private static native void nativeReloadDeviceAliases(long ptr);
private static native String nativeDump(long ptr);
private static native void nativeMonitor(long ptr);
private static native boolean nativeIsInputDeviceEnabled(long ptr, int deviceId);
private static native void nativeEnableInputDevice(long ptr, int deviceId);
private static native void nativeDisableInputDevice(long ptr, int deviceId);
private static native void nativeSetPointerIconType(long ptr, int iconId);
private static native void nativeReloadPointerIcons(long ptr);
private static native void nativeSetCustomPointerIcon(long ptr, PointerIcon icon);
private static native void nativeSetPointerCapture(long ptr, boolean detached);
private static native boolean nativeCanDispatchToDisplay(long ptr, int deviceId, int displayId);
// 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 values must match bionic/libc/kernel/common/linux/input.h
/** Switch code: Lid switch. When set, lid is shut. */
public static final int SW_LID = 0x00;
/** Switch code: Tablet mode switch.
* When set, the device is in tablet mode (i.e. no keyboard is connected).
*/
public static final int SW_TABLET_MODE = 0x01;
/** Switch code: Keypad slide. When set, keyboard is exposed. */
public static final int SW_KEYPAD_SLIDE = 0x0a;
/** Switch code: Headphone. When set, headphone is inserted. */
public static final int SW_HEADPHONE_INSERT = 0x02;
/** Switch code: Microphone. When set, microphone is inserted. */
public static final int SW_MICROPHONE_INSERT = 0x04;
/** Switch code: Line out. When set, Line out (hi-Z) is inserted. */
public static final int SW_LINEOUT_INSERT = 0x06;
/** Switch code: Headphone/Microphone Jack. When set, something is inserted. */
public static final int SW_JACK_PHYSICAL_INSERT = 0x07;
/** Switch code: Camera lens cover. When set the lens is covered. */
public static final int SW_CAMERA_LENS_COVER = 0x09;
public static final int SW_LID_BIT = 1 << SW_LID;
public static final int SW_TABLET_MODE_BIT = 1 << SW_TABLET_MODE;
public static final int SW_KEYPAD_SLIDE_BIT = 1 << SW_KEYPAD_SLIDE;
public static final int SW_HEADPHONE_INSERT_BIT = 1 << SW_HEADPHONE_INSERT;
public static final int SW_MICROPHONE_INSERT_BIT = 1 << SW_MICROPHONE_INSERT;
public static final int SW_LINEOUT_INSERT_BIT = 1 << SW_LINEOUT_INSERT;
public static final int SW_JACK_PHYSICAL_INSERT_BIT = 1 << SW_JACK_PHYSICAL_INSERT;
public static final int SW_JACK_BITS =
SW_HEADPHONE_INSERT_BIT | SW_MICROPHONE_INSERT_BIT | SW_JACK_PHYSICAL_INSERT_BIT | SW_LINEOUT_INSERT_BIT;
public static final int SW_CAMERA_LENS_COVER_BIT = 1 << SW_CAMERA_LENS_COVER;
/** Whether to use the dev/input/event or uevent subsystem for the audio jack. */
final boolean mUseDevInputEventForAudioJack;
public InputManagerService(Context context) {
this.mContext = context;
this.mHandler = new InputManagerHandler(DisplayThread.get().getLooper());
mUseDevInputEventForAudioJack =
context.getResources().getBoolean(R.bool.config_useDevInputEventForAudioJack);
Slog.i(TAG, "Initializing input manager, mUseDevInputEventForAudioJack="
+ mUseDevInputEventForAudioJack);
mPtr = nativeInit(this, mContext, mHandler.getLooper().getQueue());
String doubleTouchGestureEnablePath = context.getResources().getString(
R.string.config_doubleTouchGestureEnableFile);
mDoubleTouchGestureEnableFile = TextUtils.isEmpty(doubleTouchGestureEnablePath) ? null :
new File(doubleTouchGestureEnablePath);
LocalServices.addService(InputManagerInternal.class, new LocalService());
}
public void setWindowManagerCallbacks(WindowManagerCallbacks callbacks) {
mWindowManagerCallbacks = callbacks;
}
public void setWiredAccessoryCallbacks(WiredAccessoryCallbacks callbacks) {
mWiredAccessoryCallbacks = callbacks;
}
public void start() {
Slog.i(TAG, "Starting input manager");
nativeStart(mPtr);
// Add ourself to the Watchdog monitors.
Watchdog.getInstance().addMonitor(this);
registerPointerSpeedSettingObserver();
registerShowTouchesSettingObserver();
registerAccessibilityLargePointerSettingObserver();
mContext.registerReceiver(new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
updatePointerSpeedFromSettings();
updateShowTouchesFromSettings();
updateAccessibilityLargePointerFromSettings();
}
}, new IntentFilter(Intent.ACTION_USER_SWITCHED), null, mHandler);
updatePointerSpeedFromSettings();
updateShowTouchesFromSettings();
updateAccessibilityLargePointerFromSettings();
}
// TODO(BT) Pass in parameter for bluetooth system
public void systemRunning() {
if (DEBUG) {
Slog.d(TAG, "System ready.");
}
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.addAction(Intent.ACTION_PACKAGE_REPLACED);
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);
if (mWiredAccessoryCallbacks != null) {
mWiredAccessoryCallbacks.systemReady();
}
}
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);
}
private void setDisplayViewportsInternal(List viewports) {
nativeSetDisplayViewports(mPtr, viewports.toArray(new DisplayViewport[0]));
}
/**
* 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.
* @param displayId Target display id.
* @return The input channel.
*/
public InputChannel monitorInput(String inputChannelName, int displayId) {
if (inputChannelName == null) {
throw new IllegalArgumentException("inputChannelName must not be null.");
}
if (displayId < Display.DEFAULT_DISPLAY) {
throw new IllegalArgumentException("displayId must >= 0.");
}
InputChannel[] inputChannels = InputChannel.openInputChannelPair(inputChannelName);
// Give the output channel a token just for identity purposes.
inputChannels[0].setToken(new Binder());
nativeRegisterInputMonitor(mPtr, inputChannels[0], displayId, false /*isGestureMonitor*/);
inputChannels[0].dispose(); // don't need to retain the Java object reference
return inputChannels[1];
}
/**
* Creates an input monitor that will receive pointer events for the purposes of system-wide
* gesture interpretation.
*
* @param inputChannelName The input channel name.
* @param displayId Target display id.
* @return The input channel.
*/
@Override // Binder call
public InputMonitor monitorGestureInput(String inputChannelName, int displayId) {
if (!checkCallingPermission(android.Manifest.permission.MONITOR_INPUT,
"monitorInputRegion()")) {
throw new SecurityException("Requires MONITOR_INPUT permission");
}
Objects.requireNonNull(inputChannelName, "inputChannelName must not be null.");
if (displayId < Display.DEFAULT_DISPLAY) {
throw new IllegalArgumentException("displayId must >= 0.");
}
final long ident = Binder.clearCallingIdentity();
try {
InputChannel[] inputChannels = InputChannel.openInputChannelPair(inputChannelName);
InputMonitorHost host = new InputMonitorHost(inputChannels[0]);
inputChannels[0].setToken(host.asBinder());
nativeRegisterInputMonitor(mPtr, inputChannels[0], displayId,
true /*isGestureMonitor*/);
return new InputMonitor(inputChannelName, inputChannels[1], host);
} finally {
Binder.restoreCallingIdentity(ident);
}
}
/**
* 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, IBinder token) {
if (inputChannel == null) {
throw new IllegalArgumentException("inputChannel must not be null.");
}
if (token == null) {
token = new Binder();
}
inputChannel.setToken(token);
nativeRegisterInputChannel(mPtr, inputChannel, Display.INVALID_DISPLAY);
}
/**
* 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(IInputFilter filter) {
synchronized (mInputFilterLock) {
final IInputFilter oldFilter = mInputFilter;
if (oldFilter == filter) {
return; // nothing to do
}
if (oldFilter != null) {
mInputFilter = null;
mInputFilterHost.disconnectLocked();
mInputFilterHost = null;
try {
oldFilter.uninstall();
} catch (RemoteException re) {
/* ignore */
}
}
if (filter != null) {
mInputFilter = filter;
mInputFilterHost = new InputFilterHost();
try {
filter.install(mInputFilterHost);
} catch (RemoteException re) {
/* ignore */
}
}
nativeSetInputFilterEnabled(mPtr, filter != null);
}
}
@Override // Binder call
public boolean injectInputEvent(InputEvent event, int mode) {
return injectInputEventInternal(event, mode);
}
private boolean injectInputEventInternal(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 deviceId 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;
}
// Binder call
@Override
public boolean isInputDeviceEnabled(int deviceId) {
return nativeIsInputDeviceEnabled(mPtr, deviceId);
}
// Binder call
@Override
public void enableInputDevice(int deviceId) {
if (!checkCallingPermission(android.Manifest.permission.DISABLE_INPUT_DEVICE,
"enableInputDevice()")) {
throw new SecurityException("Requires DISABLE_INPUT_DEVICE permission");
}
nativeEnableInputDevice(mPtr, deviceId);
}
// Binder call
@Override
public void disableInputDevice(int deviceId) {
if (!checkCallingPermission(android.Manifest.permission.DISABLE_INPUT_DEVICE,
"disableInputDevice()")) {
throw new SecurityException("Requires DISABLE_INPUT_DEVICE permission");
}
nativeDisableInputDevice(mPtr, deviceId);
}
/**
* 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.
List keyboardsMissingLayout = new ArrayList<>();
final int numFullKeyboards = mTempFullKeyboards.size();
synchronized (mDataStore) {
for (int i = 0; i < numFullKeyboards; i++) {
final InputDevice inputDevice = mTempFullKeyboards.get(i);
String layout =
getCurrentKeyboardLayoutForInputDevice(inputDevice.getIdentifier());
if (layout == null) {
layout = getDefaultKeyboardLayout(inputDevice);
if (layout != null) {
setCurrentKeyboardLayoutForInputDevice(
inputDevice.getIdentifier(), layout);
}
}
if (layout == null) {
keyboardsMissingLayout.add(inputDevice);
}
}
}
if (mNotificationManager != null) {
if (!keyboardsMissingLayout.isEmpty()) {
if (keyboardsMissingLayout.size() > 1) {
// We have more than one keyboard missing a layout, so drop the
// user at the generic input methods page so they can pick which
// one to set.
showMissingKeyboardLayoutNotification(null);
} else {
showMissingKeyboardLayoutNotification(keyboardsMissingLayout.get(0));
}
} else if (mKeyboardLayoutNotificationShown) {
hideMissingKeyboardLayoutNotification();
}
}
mTempFullKeyboards.clear();
}
private String getDefaultKeyboardLayout(final InputDevice d) {
final Locale systemLocale = mContext.getResources().getConfiguration().locale;
// If our locale doesn't have a language for some reason, then we don't really have a
// reasonable default.
if (TextUtils.isEmpty(systemLocale.getLanguage())) {
return null;
}
final List layouts = new ArrayList<>();
visitAllKeyboardLayouts(new KeyboardLayoutVisitor() {
@Override
public void visitKeyboardLayout(Resources resources,
int keyboardLayoutResId, KeyboardLayout layout) {
// Only select a default when we know the layout is appropriate. For now, this
// means its a custom layout for a specific keyboard.
if (layout.getVendorId() != d.getVendorId()
|| layout.getProductId() != d.getProductId()) {
return;
}
final LocaleList locales = layout.getLocales();
final int numLocales = locales.size();
for (int localeIndex = 0; localeIndex < numLocales; ++localeIndex) {
if (isCompatibleLocale(systemLocale, locales.get(localeIndex))) {
layouts.add(layout);
break;
}
}
}
});
if (layouts.isEmpty()) {
return null;
}
// First sort so that ones with higher priority are listed at the top
Collections.sort(layouts);
// Next we want to try to find an exact match of language, country and variant.
final int N = layouts.size();
for (int i = 0; i < N; i++) {
KeyboardLayout layout = layouts.get(i);
final LocaleList locales = layout.getLocales();
final int numLocales = locales.size();
for (int localeIndex = 0; localeIndex < numLocales; ++localeIndex) {
final Locale locale = locales.get(localeIndex);
if (locale.getCountry().equals(systemLocale.getCountry())
&& locale.getVariant().equals(systemLocale.getVariant())) {
return layout.getDescriptor();
}
}
}
// Then try an exact match of language and country
for (int i = 0; i < N; i++) {
KeyboardLayout layout = layouts.get(i);
final LocaleList locales = layout.getLocales();
final int numLocales = locales.size();
for (int localeIndex = 0; localeIndex < numLocales; ++localeIndex) {
final Locale locale = locales.get(localeIndex);
if (locale.getCountry().equals(systemLocale.getCountry())) {
return layout.getDescriptor();
}
}
}
// Give up and just use the highest priority layout with matching language
return layouts.get(0).getDescriptor();
}
private static boolean isCompatibleLocale(Locale systemLocale, Locale keyboardLocale) {
// Different languages are never compatible
if (!systemLocale.getLanguage().equals(keyboardLocale.getLanguage())) {
return false;
}
// If both the system and the keyboard layout have a country specifier, they must be equal.
if (!TextUtils.isEmpty(systemLocale.getCountry())
&& !TextUtils.isEmpty(keyboardLocale.getCountry())
&& !systemLocale.getCountry().equals(keyboardLocale.getCountry())) {
return false;
}
return true;
}
@Override // Binder call & native callback
public TouchCalibration getTouchCalibrationForInputDevice(String inputDeviceDescriptor,
int surfaceRotation) {
if (inputDeviceDescriptor == null) {
throw new IllegalArgumentException("inputDeviceDescriptor must not be null");
}
synchronized (mDataStore) {
return mDataStore.getTouchCalibration(inputDeviceDescriptor, surfaceRotation);
}
}
@Override // Binder call
public void setTouchCalibrationForInputDevice(String inputDeviceDescriptor, int surfaceRotation,
TouchCalibration calibration) {
if (!checkCallingPermission(android.Manifest.permission.SET_INPUT_CALIBRATION,
"setTouchCalibrationForInputDevice()")) {
throw new SecurityException("Requires SET_INPUT_CALIBRATION permission");
}
if (inputDeviceDescriptor == null) {
throw new IllegalArgumentException("inputDeviceDescriptor must not be null");
}
if (calibration == null) {
throw new IllegalArgumentException("calibration must not be null");
}
if (surfaceRotation < Surface.ROTATION_0 || surfaceRotation > Surface.ROTATION_270) {
throw new IllegalArgumentException("surfaceRotation value out of bounds");
}
synchronized (mDataStore) {
try {
if (mDataStore.setTouchCalibration(inputDeviceDescriptor, surfaceRotation,
calibration)) {
nativeReloadCalibration(mPtr);
}
} finally {
mDataStore.saveIfNeeded();
}
}
}
@Override // Binder call
public int isInTabletMode() {
if (!checkCallingPermission(android.Manifest.permission.TABLET_MODE,
"isInTabletMode()")) {
throw new SecurityException("Requires TABLET_MODE permission");
}
return getSwitchState(-1, InputDevice.SOURCE_ANY, SW_TABLET_MODE);
}
@Override // Binder call
public void registerTabletModeChangedListener(ITabletModeChangedListener listener) {
if (!checkCallingPermission(android.Manifest.permission.TABLET_MODE,
"registerTabletModeChangedListener()")) {
throw new SecurityException("Requires TABLET_MODE_LISTENER permission");
}
if (listener == null) {
throw new IllegalArgumentException("listener must not be null");
}
synchronized (mTabletModeLock) {
final int callingPid = Binder.getCallingPid();
if (mTabletModeChangedListeners.get(callingPid) != null) {
throw new IllegalStateException("The calling process has already registered "
+ "a TabletModeChangedListener.");
}
TabletModeChangedListenerRecord record =
new TabletModeChangedListenerRecord(callingPid, listener);
try {
IBinder binder = listener.asBinder();
binder.linkToDeath(record, 0);
} catch (RemoteException ex) {
throw new RuntimeException(ex);
}
mTabletModeChangedListeners.put(callingPid, record);
}
}
private void onTabletModeChangedListenerDied(int pid) {
synchronized (mTabletModeLock) {
mTabletModeChangedListeners.remove(pid);
}
}
// Must be called on handler
private void deliverTabletModeChanged(long whenNanos, boolean inTabletMode) {
mTempTabletModeChangedListenersToNotify.clear();
final int numListeners;
synchronized (mTabletModeLock) {
numListeners = mTabletModeChangedListeners.size();
for (int i = 0; i < numListeners; i++) {
mTempTabletModeChangedListenersToNotify.add(
mTabletModeChangedListeners.valueAt(i));
}
}
for (int i = 0; i < numListeners; i++) {
mTempTabletModeChangedListenersToNotify.get(i).notifyTabletModeChanged(
whenNanos, inTabletMode);
}
}
// Must be called on handler.
private void showMissingKeyboardLayoutNotification(InputDevice device) {
if (!mKeyboardLayoutNotificationShown) {
final Intent intent = new Intent(Settings.ACTION_HARD_KEYBOARD_SETTINGS);
if (device != null) {
intent.putExtra(Settings.EXTRA_INPUT_DEVICE_IDENTIFIER, device.getIdentifier());
}
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED
| Intent.FLAG_ACTIVITY_CLEAR_TOP);
final PendingIntent keyboardLayoutIntent = PendingIntent.getActivityAsUser(mContext, 0,
intent, 0, null, UserHandle.CURRENT);
Resources r = mContext.getResources();
Notification notification =
new Notification.Builder(mContext, SystemNotificationChannels.PHYSICAL_KEYBOARD)
.setContentTitle(r.getString(
R.string.select_keyboard_layout_notification_title))
.setContentText(r.getString(
R.string.select_keyboard_layout_notification_message))
.setContentIntent(keyboardLayoutIntent)
.setSmallIcon(R.drawable.ic_settings_language)
.setColor(mContext.getColor(
com.android.internal.R.color.system_notification_accent_color))
.build();
mNotificationManager.notifyAsUser(null,
SystemMessage.NOTE_SELECT_KEYBOARD_LAYOUT,
notification, UserHandle.ALL);
mKeyboardLayoutNotificationShown = true;
}
}
// Must be called on handler.
private void hideMissingKeyboardLayoutNotification() {
if (mKeyboardLayoutNotificationShown) {
mKeyboardLayoutNotificationShown = false;
mNotificationManager.cancelAsUser(null,
SystemMessage.NOTE_SELECT_KEYBOARD_LAYOUT,
UserHandle.ALL);
}
}
// Must be called on handler.
private void updateKeyboardLayouts() {
// Scan all input devices state for keyboard layouts that have been uninstalled.
final HashSet availableKeyboardLayouts = new HashSet();
visitAllKeyboardLayouts(new KeyboardLayoutVisitor() {
@Override
public void visitKeyboardLayout(Resources resources,
int keyboardLayoutResId, KeyboardLayout layout) {
availableKeyboardLayouts.add(layout.getDescriptor());
}
});
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 list = new ArrayList();
visitAllKeyboardLayouts(new KeyboardLayoutVisitor() {
@Override
public void visitKeyboardLayout(Resources resources,
int keyboardLayoutResId, KeyboardLayout layout) {
list.add(layout);
}
});
return list.toArray(new KeyboardLayout[list.size()]);
}
@Override // Binder call
public KeyboardLayout[] getKeyboardLayoutsForInputDevice(
final InputDeviceIdentifier identifier) {
final String[] enabledLayoutDescriptors =
getEnabledKeyboardLayoutsForInputDevice(identifier);
final ArrayList enabledLayouts =
new ArrayList(enabledLayoutDescriptors.length);
final ArrayList potentialLayouts = new ArrayList();
visitAllKeyboardLayouts(new KeyboardLayoutVisitor() {
boolean mHasSeenDeviceSpecificLayout;
@Override
public void visitKeyboardLayout(Resources resources,
int keyboardLayoutResId, KeyboardLayout layout) {
// First check if it's enabled. If the keyboard layout is enabled then we always
// want to return it as a possible layout for the device.
for (String s : enabledLayoutDescriptors) {
if (s != null && s.equals(layout.getDescriptor())) {
enabledLayouts.add(layout);
return;
}
}
// Next find any potential layouts that aren't yet enabled for the device. For
// devices that have special layouts we assume there's a reason that the generic
// layouts don't work for them so we don't want to return them since it's likely
// to result in a poor user experience.
if (layout.getVendorId() == identifier.getVendorId()
&& layout.getProductId() == identifier.getProductId()) {
if (!mHasSeenDeviceSpecificLayout) {
mHasSeenDeviceSpecificLayout = true;
potentialLayouts.clear();
}
potentialLayouts.add(layout);
} else if (layout.getVendorId() == -1 && layout.getProductId() == -1
&& !mHasSeenDeviceSpecificLayout) {
potentialLayouts.add(layout);
}
}
});
final int enabledLayoutSize = enabledLayouts.size();
final int potentialLayoutSize = potentialLayouts.size();
KeyboardLayout[] layouts = new KeyboardLayout[enabledLayoutSize + potentialLayoutSize];
enabledLayouts.toArray(layouts);
for (int i = 0; i < potentialLayoutSize; i++) {
layouts[enabledLayoutSize + i] = potentialLayouts.get(i);
}
return layouts;
}
@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,
int keyboardLayoutResId, KeyboardLayout layout) {
result[0] = layout;
}
});
if (result[0] == null) {
Slog.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 | PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE)) {
final ActivityInfo activityInfo = resolveInfo.activityInfo;
final int priority = resolveInfo.priority;
visitKeyboardLayoutsInPackage(pm, activityInfo, null, priority, 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
| PackageManager.MATCH_DIRECT_BOOT_AWARE
| PackageManager.MATCH_DIRECT_BOOT_UNAWARE);
visitKeyboardLayoutsInPackage(pm, receiver, d.keyboardLayoutName, 0, visitor);
} catch (NameNotFoundException ex) {
}
}
}
private void visitKeyboardLayoutsInPackage(PackageManager pm, ActivityInfo receiver,
String keyboardName, int requestedPriority, KeyboardLayoutVisitor visitor) {
Bundle metaData = receiver.metaData;
if (metaData == null) {
return;
}
int configResId = metaData.getInt(InputManager.META_DATA_KEYBOARD_LAYOUTS);
if (configResId == 0) {
Slog.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() : "";
int priority;
if ((receiver.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
priority = requestedPriority;
} else {
priority = 0;
}
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);
String languageTags = a.getString(
com.android.internal.R.styleable.KeyboardLayout_locale);
LocaleList locales = getLocalesFromLanguageTags(languageTags);
int vid = a.getInt(
com.android.internal.R.styleable.KeyboardLayout_vendorId, -1);
int pid = a.getInt(
com.android.internal.R.styleable.KeyboardLayout_productId, -1);
if (name == null || label == null || keyboardLayoutResId == 0) {
Slog.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)) {
KeyboardLayout layout = new KeyboardLayout(
descriptor, label, collection, priority,
locales, vid, pid);
visitor.visitKeyboardLayout(
resources, keyboardLayoutResId, layout);
}
}
} finally {
a.recycle();
}
} else {
Slog.w(TAG, "Skipping unrecognized element '" + element
+ "' in keyboard layout resource from receiver "
+ receiver.packageName + "/" + receiver.name);
}
}
} finally {
parser.close();
}
} catch (Exception ex) {
Slog.w(TAG, "Could not parse keyboard layout resource from receiver "
+ receiver.packageName + "/" + receiver.name, ex);
}
}
@NonNull
private static LocaleList getLocalesFromLanguageTags(String languageTags) {
if (TextUtils.isEmpty(languageTags)) {
return LocaleList.getEmptyLocaleList();
}
return LocaleList.forLanguageTags(languageTags.replace('|', ','));
}
/**
* Builds a layout descriptor for the vendor/product. This returns the
* descriptor for ids that aren't useful (such as the default 0, 0).
*/
private String getLayoutDescriptor(InputDeviceIdentifier identifier) {
if (identifier == null || identifier.getDescriptor() == null) {
throw new IllegalArgumentException("identifier and descriptor must not be null");
}
if (identifier.getVendorId() == 0 && identifier.getProductId() == 0) {
return identifier.getDescriptor();
}
StringBuilder bob = new StringBuilder();
bob.append("vendor:").append(identifier.getVendorId());
bob.append(",product:").append(identifier.getProductId());
return bob.toString();
}
@Override // Binder call
public String getCurrentKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier) {
String key = getLayoutDescriptor(identifier);
synchronized (mDataStore) {
String layout = null;
// try loading it using the layout descriptor if we have it
layout = mDataStore.getCurrentKeyboardLayout(key);
if (layout == null && !key.equals(identifier.getDescriptor())) {
// if it doesn't exist fall back to the device descriptor
layout = mDataStore.getCurrentKeyboardLayout(identifier.getDescriptor());
}
if (DEBUG) {
Slog.d(TAG, "Loaded keyboard layout id for " + key + " and got "
+ layout);
}
return layout;
}
}
@Override // Binder call
public void setCurrentKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier,
String keyboardLayoutDescriptor) {
if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT,
"setCurrentKeyboardLayoutForInputDevice()")) {
throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission");
}
if (keyboardLayoutDescriptor == null) {
throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null");
}
String key = getLayoutDescriptor(identifier);
synchronized (mDataStore) {
try {
if (mDataStore.setCurrentKeyboardLayout(key, keyboardLayoutDescriptor)) {
if (DEBUG) {
Slog.d(TAG, "Saved keyboard layout using " + key);
}
mHandler.sendEmptyMessage(MSG_RELOAD_KEYBOARD_LAYOUTS);
}
} finally {
mDataStore.saveIfNeeded();
}
}
}
@Override // Binder call
public String[] getEnabledKeyboardLayoutsForInputDevice(InputDeviceIdentifier identifier) {
String key = getLayoutDescriptor(identifier);
synchronized (mDataStore) {
String[] layouts = mDataStore.getKeyboardLayouts(key);
if ((layouts == null || layouts.length == 0)
&& !key.equals(identifier.getDescriptor())) {
layouts = mDataStore.getKeyboardLayouts(identifier.getDescriptor());
}
return layouts;
}
}
@Override // Binder call
public void addKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier,
String keyboardLayoutDescriptor) {
if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT,
"addKeyboardLayoutForInputDevice()")) {
throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission");
}
if (keyboardLayoutDescriptor == null) {
throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null");
}
String key = getLayoutDescriptor(identifier);
synchronized (mDataStore) {
try {
String oldLayout = mDataStore.getCurrentKeyboardLayout(key);
if (oldLayout == null && !key.equals(identifier.getDescriptor())) {
oldLayout = mDataStore.getCurrentKeyboardLayout(identifier.getDescriptor());
}
if (mDataStore.addKeyboardLayout(key, keyboardLayoutDescriptor)
&& !Objects.equals(oldLayout,
mDataStore.getCurrentKeyboardLayout(key))) {
mHandler.sendEmptyMessage(MSG_RELOAD_KEYBOARD_LAYOUTS);
}
} finally {
mDataStore.saveIfNeeded();
}
}
}
@Override // Binder call
public void removeKeyboardLayoutForInputDevice(InputDeviceIdentifier identifier,
String keyboardLayoutDescriptor) {
if (!checkCallingPermission(android.Manifest.permission.SET_KEYBOARD_LAYOUT,
"removeKeyboardLayoutForInputDevice()")) {
throw new SecurityException("Requires SET_KEYBOARD_LAYOUT permission");
}
if (keyboardLayoutDescriptor == null) {
throw new IllegalArgumentException("keyboardLayoutDescriptor must not be null");
}
String key = getLayoutDescriptor(identifier);
synchronized (mDataStore) {
try {
String oldLayout = mDataStore.getCurrentKeyboardLayout(key);
if (oldLayout == null && !key.equals(identifier.getDescriptor())) {
oldLayout = mDataStore.getCurrentKeyboardLayout(identifier.getDescriptor());
}
boolean removed = mDataStore.removeKeyboardLayout(key, keyboardLayoutDescriptor);
if (!key.equals(identifier.getDescriptor())) {
// We need to remove from both places to ensure it is gone
removed |= mDataStore.removeKeyboardLayout(identifier.getDescriptor(),
keyboardLayoutDescriptor);
}
if (removed && !Objects.equals(oldLayout,
mDataStore.getCurrentKeyboardLayout(key))) {
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);
if (device != null) {
final boolean changed;
final String keyboardLayoutDescriptor;
String key = getLayoutDescriptor(device.getIdentifier());
synchronized (mDataStore) {
try {
changed = mDataStore.switchKeyboardLayout(key, direction);
keyboardLayoutDescriptor = mDataStore.getCurrentKeyboardLayout(
key);
} 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 setFocusedApplication(int displayId, InputApplicationHandle application) {
nativeSetFocusedApplication(mPtr, displayId, application);
}
public void setFocusedDisplay(int displayId) {
nativeSetFocusedDisplay(mPtr, displayId);
}
/** Clean up input window handles of the given display. */
public void onDisplayRemoved(int displayId) {
nativeSetInputWindows(mPtr, null /* windowHandles */, displayId);
}
@Override
public void requestPointerCapture(IBinder windowToken, boolean enabled) {
if (mFocusedWindow == null || mFocusedWindow.asBinder() != windowToken) {
Slog.e(TAG, "requestPointerCapture called for a window that has no focus: "
+ windowToken);
return;
}
if (mFocusedWindowHasCapture == enabled) {
Slog.i(TAG, "requestPointerCapture: already " + (enabled ? "enabled" : "disabled"));
return;
}
setPointerCapture(enabled);
}
private void setPointerCapture(boolean enabled) {
if (mFocusedWindowHasCapture != enabled) {
mFocusedWindowHasCapture = enabled;
try {
mFocusedWindow.dispatchPointerCaptureChanged(enabled);
} catch (RemoteException ex) {
/* ignore */
}
nativeSetPointerCapture(mPtr, enabled);
}
}
public void setInputDispatchMode(boolean enabled, boolean frozen) {
nativeSetInputDispatchMode(mPtr, enabled, frozen);
}
public void setSystemUiVisibility(int visibility) {
nativeSetSystemUiVisibility(mPtr, visibility);
}
@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();
}
}, UserHandle.USER_ALL);
}
private int getPointerSpeedSetting() {
int speed = InputManager.DEFAULT_POINTER_SPEED;
try {
speed = Settings.System.getIntForUser(mContext.getContentResolver(),
Settings.System.POINTER_SPEED, UserHandle.USER_CURRENT);
} 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();
}
}, UserHandle.USER_ALL);
}
public void updateAccessibilityLargePointerFromSettings() {
final int accessibilityConfig = Settings.Secure.getIntForUser(
mContext.getContentResolver(), Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON,
0, UserHandle.USER_CURRENT);
PointerIcon.setUseLargeIcons(accessibilityConfig == 1);
nativeReloadPointerIcons(mPtr);
}
private void registerAccessibilityLargePointerSettingObserver() {
mContext.getContentResolver().registerContentObserver(
Settings.Secure.getUriFor(Settings.Secure.ACCESSIBILITY_LARGE_POINTER_ICON), true,
new ContentObserver(mHandler) {
@Override
public void onChange(boolean selfChange) {
updateAccessibilityLargePointerFromSettings();
}
}, UserHandle.USER_ALL);
}
private int getShowTouchesSetting(int defaultValue) {
int result = defaultValue;
try {
result = Settings.System.getIntForUser(mContext.getContentResolver(),
Settings.System.SHOW_TOUCHES, UserHandle.USER_CURRENT);
} 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;
}
}
}
// Binder call
@Override
public void setPointerIconType(int iconId) {
nativeSetPointerIconType(mPtr, iconId);
}
// Binder call
@Override
public void setCustomPointerIcon(PointerIcon icon) {
Preconditions.checkNotNull(icon);
nativeSetCustomPointerIcon(mPtr, icon);
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) 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).
@Override
public void monitor() {
synchronized (mInputFilterLock) { }
nativeMonitor(mPtr);
}
// Native callback.
private void notifyConfigurationChanged(long whenNanos) {
mWindowManagerCallbacks.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 notifySwitch(long whenNanos, int switchValues, int switchMask) {
if (DEBUG) {
Slog.d(TAG, "notifySwitch: values=" + Integer.toHexString(switchValues)
+ ", mask=" + Integer.toHexString(switchMask));
}
if ((switchMask & SW_LID_BIT) != 0) {
final boolean lidOpen = ((switchValues & SW_LID_BIT) == 0);
mWindowManagerCallbacks.notifyLidSwitchChanged(whenNanos, lidOpen);
}
if ((switchMask & SW_CAMERA_LENS_COVER_BIT) != 0) {
final boolean lensCovered = ((switchValues & SW_CAMERA_LENS_COVER_BIT) != 0);
mWindowManagerCallbacks.notifyCameraLensCoverSwitchChanged(whenNanos, lensCovered);
}
if (mUseDevInputEventForAudioJack && (switchMask & SW_JACK_BITS) != 0) {
mWiredAccessoryCallbacks.notifyWiredAccessoryChanged(whenNanos, switchValues,
switchMask);
}
if ((switchMask & SW_TABLET_MODE_BIT) != 0) {
SomeArgs args = SomeArgs.obtain();
args.argi1 = (int) (whenNanos & 0xFFFFFFFF);
args.argi2 = (int) (whenNanos >> 32);
args.arg1 = Boolean.valueOf((switchValues & SW_TABLET_MODE_BIT) != 0);
mHandler.obtainMessage(MSG_DELIVER_TABLET_MODE_CHANGED,
args).sendToTarget();
}
}
// Native callback.
private void notifyInputChannelBroken(IBinder token) {
mWindowManagerCallbacks.notifyInputChannelBroken(token);
}
// Native callback
private void notifyFocusChanged(IBinder oldToken, IBinder newToken) {
if (mFocusedWindow != null) {
if (mFocusedWindow.asBinder() == newToken) {
Slog.w(TAG, "notifyFocusChanged called with unchanged mFocusedWindow="
+ mFocusedWindow);
return;
}
setPointerCapture(false);
}
mFocusedWindow = IWindow.Stub.asInterface(newToken);
}
// Native callback.
private long notifyANR(IBinder token, String reason) {
return mWindowManagerCallbacks.notifyANR(
token, reason);
}
// Native callback.
final boolean filterInputEvent(InputEvent event, int policyFlags) {
synchronized (mInputFilterLock) {
if (mInputFilter != null) {
try {
mInputFilter.filterInputEvent(event, policyFlags);
} catch (RemoteException e) {
/* ignore */
}
return false;
}
}
event.recycle();
return true;
}
// Native callback.
private int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags) {
return mWindowManagerCallbacks.interceptKeyBeforeQueueing(event, policyFlags);
}
// Native callback.
private int interceptMotionBeforeQueueingNonInteractive(int displayId,
long whenNanos, int policyFlags) {
return mWindowManagerCallbacks.interceptMotionBeforeQueueingNonInteractive(
displayId, whenNanos, policyFlags);
}
// Native callback.
private long interceptKeyBeforeDispatching(IBinder focus, KeyEvent event, int policyFlags) {
return mWindowManagerCallbacks.interceptKeyBeforeDispatching(focus, event, policyFlags);
}
// Native callback.
private KeyEvent dispatchUnhandledKey(IBinder focus, KeyEvent event, int policyFlags) {
return mWindowManagerCallbacks.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 void onPointerDownOutsideFocus(IBinder touchedToken) {
mWindowManagerCallbacks.onPointerDownOutsideFocus(touchedToken);
}
// Native callback.
private int getVirtualKeyQuietTimeMillis() {
return mContext.getResources().getInteger(
com.android.internal.R.integer.config_virtualKeyQuietTimeMillis);
}
// Native callback.
private static String[] getExcludedDeviceNames() {
List names = new ArrayList<>();
// Read partner-provided list of excluded input devices
// Environment.getRootDirectory() is a fancy way of saying ANDROID_ROOT or "/system".
final File[] baseDirs = {
Environment.getRootDirectory(),
Environment.getVendorDirectory()
};
for (File baseDir: baseDirs) {
File confFile = new File(baseDir, EXCLUDED_DEVICES_PATH);
try {
InputStream stream = new FileInputStream(confFile);
names.addAll(ConfigurationProcessor.processExcludedDeviceNames(stream));
} catch (FileNotFoundException e) {
// It's ok if the file does not exist.
} catch (Exception e) {
Slog.e(TAG, "Could not parse '" + confFile.getAbsolutePath() + "'", e);
}
}
return names.toArray(new String[0]);
}
/**
* Flatten a list of pairs into a list, with value positioned directly next to the key
* @return Flattened list
*/
private static List flatten(@NonNull List> pairs) {
List list = new ArrayList<>(pairs.size() * 2);
for (Pair pair : pairs) {
list.add(pair.first);
list.add(pair.second);
}
return list;
}
/**
* Ports are highly platform-specific, so only allow these to be specified in the vendor
* directory.
*/
// Native callback
private static String[] getInputPortAssociations() {
File baseDir = Environment.getVendorDirectory();
File confFile = new File(baseDir, PORT_ASSOCIATIONS_PATH);
try {
InputStream stream = new FileInputStream(confFile);
List> associations =
ConfigurationProcessor.processInputPortAssociations(stream);
List associationList = flatten(associations);
return associationList.toArray(new String[0]);
} catch (FileNotFoundException e) {
// Most of the time, file will not exist, which is expected.
} catch (Exception e) {
Slog.e(TAG, "Could not parse '" + confFile.getAbsolutePath() + "'", e);
}
return new String[0];
}
/**
* Gets if an input device could dispatch to the given display".
* @param deviceId The input device id.
* @param displayId The specific display id.
* @return True if the device could dispatch to the given display, false otherwise.
*/
public boolean canDispatchToDisplay(int deviceId, int displayId) {
return nativeCanDispatchToDisplay(mPtr, deviceId, displayId);
}
// 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 mWindowManagerCallbacks.getPointerLayer();
}
// Native callback.
private PointerIcon getPointerIcon(int displayId) {
return PointerIcon.getDefaultIcon(getContextForDisplay(displayId));
}
private Context getContextForDisplay(int displayId) {
if (mDisplayContext != null && mDisplayContext.getDisplay().getDisplayId() == displayId) {
return mDisplayContext;
}
if (mContext.getDisplay().getDisplayId() == displayId) {
mDisplayContext = mContext;
return mDisplayContext;
}
// Create and cache context for non-default display.
final DisplayManager displayManager = mContext.getSystemService(DisplayManager.class);
final Display display = displayManager.getDisplay(displayId);
mDisplayContext = mContext.createDisplayContext(display);
return mDisplayContext;
}
// Native callback.
private int getPointerDisplayId() {
return mWindowManagerCallbacks.getPointerDisplayId();
}
// Native callback.
private String[] getKeyboardLayoutOverlay(InputDeviceIdentifier identifier) {
if (!mSystemReady) {
return null;
}
String keyboardLayoutDescriptor = getCurrentKeyboardLayoutForInputDevice(identifier);
if (keyboardLayoutDescriptor == null) {
return null;
}
final String[] result = new String[2];
visitKeyboardLayout(keyboardLayoutDescriptor, new KeyboardLayoutVisitor() {
@Override
public void visitKeyboardLayout(Resources resources,
int keyboardLayoutResId, KeyboardLayout layout) {
try {
result[0] = layout.getDescriptor();
result[1] = Streams.readFully(new InputStreamReader(
resources.openRawResource(keyboardLayoutResId)));
} catch (IOException ex) {
} catch (NotFoundException ex) {
}
}
});
if (result[0] == null) {
Slog.w(TAG, "Could not get keyboard layout with descriptor '"
+ keyboardLayoutDescriptor + "'.");
return null;
}
return result;
}
// Native callback.
private String getDeviceAlias(String uniqueId) {
if (BluetoothAdapter.checkBluetoothAddress(uniqueId)) {
// TODO(BT) mBluetoothService.getRemoteAlias(uniqueId)
return null;
}
return null;
}
/**
* Callback interface implemented by the Window Manager.
*/
public interface WindowManagerCallbacks {
public void notifyConfigurationChanged();
public void notifyLidSwitchChanged(long whenNanos, boolean lidOpen);
public void notifyCameraLensCoverSwitchChanged(long whenNanos, boolean lensCovered);
public void notifyInputChannelBroken(IBinder token);
public long notifyANR(IBinder token, String reason);
public int interceptKeyBeforeQueueing(KeyEvent event, int policyFlags);
/**
* Provides an opportunity for the window manager policy to intercept early motion event
* processing when the device is in a non-interactive state since these events are normally
* dropped.
*/
int interceptMotionBeforeQueueingNonInteractive(int displayId, long whenNanos,
int policyFlags);
public long interceptKeyBeforeDispatching(IBinder token,
KeyEvent event, int policyFlags);
public KeyEvent dispatchUnhandledKey(IBinder token,
KeyEvent event, int policyFlags);
public int getPointerLayer();
public int getPointerDisplayId();
/**
* Notifies window manager that a {@link android.view.MotionEvent#ACTION_DOWN} pointer event
* occurred on a window that did not have focus.
*
* @param touchedToken The token for the window that received the input event.
*/
void onPointerDownOutsideFocus(IBinder touchedToken);
}
/**
* Callback interface implemented by WiredAccessoryObserver.
*/
public interface WiredAccessoryCallbacks {
public void notifyWiredAccessoryChanged(long whenNanos, int switchValues, int switchMask);
public void systemReady();
}
/**
* Private handler for the input manager.
*/
private final class InputManagerHandler extends Handler {
public InputManagerHandler(Looper looper) {
super(looper, null, true /*async*/);
}
@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;
case MSG_DELIVER_TABLET_MODE_CHANGED:
SomeArgs args = (SomeArgs) msg.obj;
long whenNanos = (args.argi1 & 0xFFFFFFFFl) | ((long) args.argi2 << 32);
boolean inTabletMode = (boolean) args.arg1;
deliverTabletModeChanged(whenNanos, inTabletMode);
break;
}
}
}
/**
* Hosting interface for input filters to call back into the input manager.
*/
private final class InputFilterHost extends IInputFilterHost.Stub {
private boolean mDisconnected;
public void disconnectLocked() {
mDisconnected = true;
}
@Override
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);
}
}
}
}
/**
* Interface for the system to handle request from InputMonitors.
*/
private final class InputMonitorHost extends IInputMonitorHost.Stub {
private final InputChannel mInputChannel;
InputMonitorHost(InputChannel channel) {
mInputChannel = channel;
}
@Override
public void pilferPointers() {
nativePilferPointers(mPtr, asBinder());
}
@Override
public void dispose() {
nativeUnregisterInputChannel(mPtr, mInputChannel);
mInputChannel.dispose();
}
}
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,
int keyboardLayoutResId, KeyboardLayout layout);
}
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 TabletModeChangedListenerRecord implements DeathRecipient {
private final int mPid;
private final ITabletModeChangedListener mListener;
public TabletModeChangedListenerRecord(int pid, ITabletModeChangedListener listener) {
mPid = pid;
mListener = listener;
}
@Override
public void binderDied() {
if (DEBUG) {
Slog.d(TAG, "Tablet mode changed listener for pid " + mPid + " died.");
}
onTabletModeChangedListenerDied(mPid);
}
public void notifyTabletModeChanged(long whenNanos, boolean inTabletMode) {
try {
mListener.onTabletModeChanged(whenNanos, inTabletMode);
} catch (RemoteException ex) {
Slog.w(TAG, "Failed to notify process " + mPid +
" that tablet mode 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);
}
}
private final class LocalService extends InputManagerInternal {
@Override
public void setDisplayViewports(List viewports) {
setDisplayViewportsInternal(viewports);
}
@Override
public boolean injectInputEvent(InputEvent event, int mode) {
return injectInputEventInternal(event, mode);
}
@Override
public void setInteractive(boolean interactive) {
nativeSetInteractive(mPtr, interactive);
}
@Override
public void toggleCapsLock(int deviceId) {
nativeToggleCapsLock(mPtr, deviceId);
}
@Override
public void setPulseGestureEnabled(boolean enabled) {
if (mDoubleTouchGestureEnableFile != null) {
FileWriter writer = null;
try {
writer = new FileWriter(mDoubleTouchGestureEnableFile);
writer.write(enabled ? "1" : "0");
} catch (IOException e) {
Log.wtf(TAG, "Unable to setPulseGestureEnabled", e);
} finally {
IoUtils.closeQuietly(writer);
}
}
}
}
}
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