ac14351e16
Simplified input injection API down to just one call. Removed all input state reading API. It was only used by the window manager policy and required a permission that applications could not obtain. READ_INPUT_STATE is now unused and deprecated. Change-Id: I41278141586ddee9468cae0fb59ff0dced6cbc00
744 lines
28 KiB
Java
744 lines
28 KiB
Java
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.server.input;
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import com.android.internal.util.XmlUtils;
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import com.android.server.Watchdog;
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import com.android.server.input.InputFilter.Host;
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import com.android.server.wm.WindowManagerService;
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import org.xmlpull.v1.XmlPullParser;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.content.res.Configuration;
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import android.database.ContentObserver;
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import android.hardware.input.IInputManager;
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import android.hardware.input.InputManager;
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import android.os.Binder;
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import android.os.Environment;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.MessageQueue;
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import android.os.Process;
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import android.os.SystemProperties;
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import android.provider.Settings;
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import android.provider.Settings.SettingNotFoundException;
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import android.util.Slog;
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import android.util.Xml;
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import android.view.InputChannel;
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import android.view.InputDevice;
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import android.view.InputEvent;
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import android.view.KeyEvent;
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import android.view.PointerIcon;
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import android.view.Surface;
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import android.view.ViewConfiguration;
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import android.view.WindowManager;
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import android.view.WindowManagerPolicy;
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import java.io.File;
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import java.io.FileDescriptor;
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import java.io.FileNotFoundException;
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import java.io.FileReader;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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/*
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* Wraps the C++ InputManager and provides its callbacks.
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*/
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public class InputManagerService extends IInputManager.Stub implements Watchdog.Monitor {
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static final String TAG = "InputManager";
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static final boolean DEBUG = false;
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private static final String EXCLUDED_DEVICES_PATH = "etc/excluded-input-devices.xml";
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// Pointer to native input manager service object.
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private final int mPtr;
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private final Context mContext;
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private final Callbacks mCallbacks;
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private final Handler mHandler;
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private static native int nativeInit(InputManagerService service,
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Context context, MessageQueue messageQueue);
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private static native void nativeStart(int ptr);
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private static native void nativeSetDisplaySize(int ptr, int displayId,
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int width, int height, int externalWidth, int externalHeight);
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private static native void nativeSetDisplayOrientation(int ptr, int displayId, int rotation);
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private static native int nativeGetScanCodeState(int ptr,
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int deviceId, int sourceMask, int scanCode);
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private static native int nativeGetKeyCodeState(int ptr,
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int deviceId, int sourceMask, int keyCode);
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private static native int nativeGetSwitchState(int ptr,
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int deviceId, int sourceMask, int sw);
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private static native boolean nativeHasKeys(int ptr,
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int deviceId, int sourceMask, int[] keyCodes, boolean[] keyExists);
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private static native void nativeRegisterInputChannel(int ptr, InputChannel inputChannel,
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InputWindowHandle inputWindowHandle, boolean monitor);
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private static native void nativeUnregisterInputChannel(int ptr, InputChannel inputChannel);
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private static native void nativeSetInputFilterEnabled(int ptr, boolean enable);
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private static native int nativeInjectInputEvent(int ptr, InputEvent event,
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int injectorPid, int injectorUid, int syncMode, int timeoutMillis,
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int policyFlags);
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private static native void nativeSetInputWindows(int ptr, InputWindowHandle[] windowHandles);
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private static native void nativeSetInputDispatchMode(int ptr, boolean enabled, boolean frozen);
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private static native void nativeSetSystemUiVisibility(int ptr, int visibility);
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private static native void nativeSetFocusedApplication(int ptr,
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InputApplicationHandle application);
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private static native InputDevice nativeGetInputDevice(int ptr, int deviceId);
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private static native void nativeGetInputConfiguration(int ptr, Configuration configuration);
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private static native int[] nativeGetInputDeviceIds(int ptr);
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private static native boolean nativeTransferTouchFocus(int ptr,
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InputChannel fromChannel, InputChannel toChannel);
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private static native void nativeSetPointerSpeed(int ptr, int speed);
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private static native void nativeSetShowTouches(int ptr, boolean enabled);
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private static native String nativeDump(int ptr);
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private static native void nativeMonitor(int ptr);
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// Input event injection constants defined in InputDispatcher.h.
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private static final int INPUT_EVENT_INJECTION_SUCCEEDED = 0;
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private static final int INPUT_EVENT_INJECTION_PERMISSION_DENIED = 1;
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private static final int INPUT_EVENT_INJECTION_FAILED = 2;
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private static final int INPUT_EVENT_INJECTION_TIMED_OUT = 3;
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// Maximum number of milliseconds to wait for input event injection.
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private static final int INJECTION_TIMEOUT_MILLIS = 30 * 1000;
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// Key states (may be returned by queries about the current state of a
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// particular key code, scan code or switch).
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/** The key state is unknown or the requested key itself is not supported. */
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public static final int KEY_STATE_UNKNOWN = -1;
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/** The key is up. /*/
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public static final int KEY_STATE_UP = 0;
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/** The key is down. */
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public static final int KEY_STATE_DOWN = 1;
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/** The key is down but is a virtual key press that is being emulated by the system. */
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public static final int KEY_STATE_VIRTUAL = 2;
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// State for the currently installed input filter.
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final Object mInputFilterLock = new Object();
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InputFilter mInputFilter;
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InputFilterHost mInputFilterHost;
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public InputManagerService(Context context, Callbacks callbacks) {
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this.mContext = context;
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this.mCallbacks = callbacks;
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this.mHandler = new Handler();
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Slog.i(TAG, "Initializing input manager");
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mPtr = nativeInit(this, mContext, mHandler.getLooper().getQueue());
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}
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public void start() {
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Slog.i(TAG, "Starting input manager");
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nativeStart(mPtr);
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// Add ourself to the Watchdog monitors.
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Watchdog.getInstance().addMonitor(this);
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registerPointerSpeedSettingObserver();
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registerShowTouchesSettingObserver();
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updatePointerSpeedFromSettings();
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updateShowTouchesFromSettings();
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}
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public void setDisplaySize(int displayId, int width, int height,
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int externalWidth, int externalHeight) {
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if (width <= 0 || height <= 0 || externalWidth <= 0 || externalHeight <= 0) {
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throw new IllegalArgumentException("Invalid display id or dimensions.");
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}
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if (DEBUG) {
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Slog.d(TAG, "Setting display #" + displayId + " size to " + width + "x" + height
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+ " external size " + externalWidth + "x" + externalHeight);
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}
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nativeSetDisplaySize(mPtr, displayId, width, height, externalWidth, externalHeight);
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}
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public void setDisplayOrientation(int displayId, int rotation) {
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if (rotation < Surface.ROTATION_0 || rotation > Surface.ROTATION_270) {
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throw new IllegalArgumentException("Invalid rotation.");
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}
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if (DEBUG) {
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Slog.d(TAG, "Setting display #" + displayId + " orientation to " + rotation);
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}
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nativeSetDisplayOrientation(mPtr, displayId, rotation);
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}
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public void getInputConfiguration(Configuration config) {
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if (config == null) {
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throw new IllegalArgumentException("config must not be null.");
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}
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nativeGetInputConfiguration(mPtr, config);
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}
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/**
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* Gets the current state of a key or button by key code.
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* @param deviceId The input device id, or -1 to consult all devices.
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* @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to
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* consider all input sources. An input device is consulted if at least one of its
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* non-class input source bits matches the specified source mask.
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* @param keyCode The key code to check.
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* @return The key state.
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*/
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public int getKeyCodeState(int deviceId, int sourceMask, int keyCode) {
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return nativeGetKeyCodeState(mPtr, deviceId, sourceMask, keyCode);
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}
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/**
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* Gets the current state of a key or button by scan code.
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* @param deviceId The input device id, or -1 to consult all devices.
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* @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to
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* consider all input sources. An input device is consulted if at least one of its
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* non-class input source bits matches the specified source mask.
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* @param scanCode The scan code to check.
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* @return The key state.
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*/
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public int getScanCodeState(int deviceId, int sourceMask, int scanCode) {
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return nativeGetScanCodeState(mPtr, deviceId, sourceMask, scanCode);
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}
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/**
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* Gets the current state of a switch by switch code.
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* @param deviceId The input device id, or -1 to consult all devices.
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* @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to
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* consider all input sources. An input device is consulted if at least one of its
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* non-class input source bits matches the specified source mask.
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* @param switchCode The switch code to check.
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* @return The switch state.
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*/
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public int getSwitchState(int deviceId, int sourceMask, int switchCode) {
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return nativeGetSwitchState(mPtr, deviceId, sourceMask, switchCode);
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}
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/**
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* Determines whether the specified key codes are supported by a particular device.
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* @param deviceId The input device id, or -1 to consult all devices.
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* @param sourceMask The input sources to consult, or {@link InputDevice#SOURCE_ANY} to
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* consider all input sources. An input device is consulted if at least one of its
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* non-class input source bits matches the specified source mask.
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* @param keyCodes The array of key codes to check.
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* @param keyExists An array at least as large as keyCodes whose entries will be set
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* to true or false based on the presence or absence of support for the corresponding
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* key codes.
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* @return True if the lookup was successful, false otherwise.
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*/
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@Override
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public boolean hasKeys(int deviceId, int sourceMask, int[] keyCodes, boolean[] keyExists) {
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if (keyCodes == null) {
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throw new IllegalArgumentException("keyCodes must not be null.");
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}
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if (keyExists == null || keyExists.length < keyCodes.length) {
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throw new IllegalArgumentException("keyExists must not be null and must be at "
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+ "least as large as keyCodes.");
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}
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return nativeHasKeys(mPtr, deviceId, sourceMask, keyCodes, keyExists);
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}
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/**
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* Creates an input channel that will receive all input from the input dispatcher.
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* @param inputChannelName The input channel name.
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* @return The input channel.
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*/
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public InputChannel monitorInput(String inputChannelName) {
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if (inputChannelName == null) {
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throw new IllegalArgumentException("inputChannelName must not be null.");
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}
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InputChannel[] inputChannels = InputChannel.openInputChannelPair(inputChannelName);
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nativeRegisterInputChannel(mPtr, inputChannels[0], null, true);
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inputChannels[0].dispose(); // don't need to retain the Java object reference
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return inputChannels[1];
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}
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/**
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* Registers an input channel so that it can be used as an input event target.
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* @param inputChannel The input channel to register.
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* @param inputWindowHandle The handle of the input window associated with the
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* input channel, or null if none.
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*/
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public void registerInputChannel(InputChannel inputChannel,
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InputWindowHandle inputWindowHandle) {
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if (inputChannel == null) {
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throw new IllegalArgumentException("inputChannel must not be null.");
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}
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nativeRegisterInputChannel(mPtr, inputChannel, inputWindowHandle, false);
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}
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/**
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* Unregisters an input channel.
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* @param inputChannel The input channel to unregister.
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*/
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public void unregisterInputChannel(InputChannel inputChannel) {
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if (inputChannel == null) {
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throw new IllegalArgumentException("inputChannel must not be null.");
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}
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nativeUnregisterInputChannel(mPtr, inputChannel);
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}
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/**
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* Sets an input filter that will receive all input events before they are dispatched.
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* The input filter may then reinterpret input events or inject new ones.
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*
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* To ensure consistency, the input dispatcher automatically drops all events
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* in progress whenever an input filter is installed or uninstalled. After an input
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* filter is uninstalled, it can no longer send input events unless it is reinstalled.
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* Any events it attempts to send after it has been uninstalled will be dropped.
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*
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* @param filter The input filter, or null to remove the current filter.
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*/
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public void setInputFilter(InputFilter filter) {
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synchronized (mInputFilterLock) {
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final InputFilter oldFilter = mInputFilter;
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if (oldFilter == filter) {
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return; // nothing to do
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}
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if (oldFilter != null) {
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mInputFilter = null;
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mInputFilterHost.disconnectLocked();
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mInputFilterHost = null;
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oldFilter.uninstall();
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}
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if (filter != null) {
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mInputFilter = filter;
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mInputFilterHost = new InputFilterHost();
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filter.install(mInputFilterHost);
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}
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nativeSetInputFilterEnabled(mPtr, filter != null);
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}
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}
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@Override
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public boolean injectInputEvent(InputEvent event, int mode) {
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if (event == null) {
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throw new IllegalArgumentException("event must not be null");
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}
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if (mode != InputManager.INJECT_INPUT_EVENT_MODE_ASYNC
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&& mode != InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH
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&& mode != InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_RESULT) {
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throw new IllegalArgumentException("mode is invalid");
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}
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final int pid = Binder.getCallingPid();
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final int uid = Binder.getCallingUid();
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final long ident = Binder.clearCallingIdentity();
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final int result;
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try {
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result = nativeInjectInputEvent(mPtr, event, pid, uid, mode,
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INJECTION_TIMEOUT_MILLIS, WindowManagerPolicy.FLAG_DISABLE_KEY_REPEAT);
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} finally {
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Binder.restoreCallingIdentity(ident);
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}
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switch (result) {
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case INPUT_EVENT_INJECTION_PERMISSION_DENIED:
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Slog.w(TAG, "Input event injection from pid " + pid + " permission denied.");
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throw new SecurityException(
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"Injecting to another application requires INJECT_EVENTS permission");
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case INPUT_EVENT_INJECTION_SUCCEEDED:
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return true;
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case INPUT_EVENT_INJECTION_TIMED_OUT:
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Slog.w(TAG, "Input event injection from pid " + pid + " timed out.");
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return false;
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case INPUT_EVENT_INJECTION_FAILED:
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default:
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Slog.w(TAG, "Input event injection from pid " + pid + " failed.");
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return false;
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}
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}
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/**
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* Gets information about the input device with the specified id.
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* @param id The device id.
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* @return The input device or null if not found.
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*/
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@Override
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public InputDevice getInputDevice(int deviceId) {
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return nativeGetInputDevice(mPtr, deviceId);
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}
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/**
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* Gets the ids of all input devices in the system.
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* @return The input device ids.
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*/
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@Override
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public int[] getInputDeviceIds() {
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return nativeGetInputDeviceIds(mPtr);
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}
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public void setInputWindows(InputWindowHandle[] windowHandles) {
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nativeSetInputWindows(mPtr, windowHandles);
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}
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public void setFocusedApplication(InputApplicationHandle application) {
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nativeSetFocusedApplication(mPtr, application);
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}
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public void setInputDispatchMode(boolean enabled, boolean frozen) {
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nativeSetInputDispatchMode(mPtr, enabled, frozen);
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}
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public void setSystemUiVisibility(int visibility) {
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nativeSetSystemUiVisibility(mPtr, visibility);
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}
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/**
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* Atomically transfers touch focus from one window to another as identified by
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* their input channels. It is possible for multiple windows to have
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* touch focus if they support split touch dispatch
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* {@link android.view.WindowManager.LayoutParams#FLAG_SPLIT_TOUCH} but this
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* method only transfers touch focus of the specified window without affecting
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* other windows that may also have touch focus at the same time.
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* @param fromChannel The channel of a window that currently has touch focus.
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* @param toChannel The channel of the window that should receive touch focus in
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* place of the first.
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* @return True if the transfer was successful. False if the window with the
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* specified channel did not actually have touch focus at the time of the request.
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*/
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public boolean transferTouchFocus(InputChannel fromChannel, InputChannel toChannel) {
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if (fromChannel == null) {
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throw new IllegalArgumentException("fromChannel must not be null.");
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}
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if (toChannel == null) {
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throw new IllegalArgumentException("toChannel must not be null.");
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}
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return nativeTransferTouchFocus(mPtr, fromChannel, toChannel);
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}
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/**
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* Set the pointer speed.
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* @param speed The pointer speed as a value between -7 (slowest) and 7 (fastest)
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* where 0 is the default speed.
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*/
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@Override
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public void tryPointerSpeed(int speed) {
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if (!checkCallingPermission(android.Manifest.permission.SET_POINTER_SPEED,
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"tryPointerSpeed()")) {
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throw new SecurityException("Requires SET_POINTER_SPEED permission");
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}
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setPointerSpeedUnchecked(speed);
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}
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public void updatePointerSpeedFromSettings() {
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int speed = getPointerSpeedSetting();
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setPointerSpeedUnchecked(speed);
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}
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private void setPointerSpeedUnchecked(int speed) {
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speed = Math.min(Math.max(speed, InputManager.MIN_POINTER_SPEED),
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InputManager.MAX_POINTER_SPEED);
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nativeSetPointerSpeed(mPtr, speed);
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}
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private void registerPointerSpeedSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.POINTER_SPEED), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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updatePointerSpeedFromSettings();
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}
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});
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}
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private int getPointerSpeedSetting() {
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int speed = InputManager.DEFAULT_POINTER_SPEED;
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try {
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speed = Settings.System.getInt(mContext.getContentResolver(),
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Settings.System.POINTER_SPEED);
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} catch (SettingNotFoundException snfe) {
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}
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return speed;
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}
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public void updateShowTouchesFromSettings() {
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int setting = getShowTouchesSetting(0);
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nativeSetShowTouches(mPtr, setting != 0);
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}
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private void registerShowTouchesSettingObserver() {
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mContext.getContentResolver().registerContentObserver(
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Settings.System.getUriFor(Settings.System.SHOW_TOUCHES), true,
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new ContentObserver(mHandler) {
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@Override
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public void onChange(boolean selfChange) {
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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;
|
|
}
|
|
|
|
@Override
|
|
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
|
|
if (mContext.checkCallingOrSelfPermission("android.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 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);
|
|
}
|
|
|
|
/**
|
|
* 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();
|
|
}
|
|
|
|
/**
|
|
* 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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|