| /* |
| * Copyright (C) 2008 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.systemui.statusbar.policy; |
| |
| import android.content.Context; |
| import android.content.res.TypedArray; |
| import android.graphics.drawable.AnimationDrawable; |
| import android.graphics.drawable.Drawable; |
| import android.os.RemoteException; |
| import android.os.SystemClock; |
| import android.os.ServiceManager; |
| import android.util.AttributeSet; |
| import android.util.Slog; |
| import android.view.accessibility.AccessibilityEvent; |
| import android.view.HapticFeedbackConstants; |
| import android.view.IWindowManager; |
| import android.view.InputDevice; |
| import android.view.KeyCharacterMap; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.SoundEffectConstants; |
| import android.view.ViewConfiguration; |
| import android.widget.ImageView; |
| import android.widget.RemoteViews.RemoteView; |
| |
| import com.android.systemui.R; |
| |
| public class KeyButtonView extends ImageView { |
| private static final String TAG = "StatusBar.KeyButtonView"; |
| |
| IWindowManager mWindowManager; |
| long mDownTime; |
| boolean mSending; |
| int mCode; |
| int mRepeat; |
| int mTouchSlop; |
| |
| Runnable mCheckLongPress = new Runnable() { |
| public void run() { |
| if (isPressed()) { |
| mRepeat++; |
| sendEvent(KeyEvent.ACTION_DOWN, |
| KeyEvent.FLAG_FROM_SYSTEM |
| | KeyEvent.FLAG_VIRTUAL_HARD_KEY |
| | KeyEvent.FLAG_LONG_PRESS); |
| |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_LONG_CLICKED); |
| //playSoundEffect(SoundEffectConstants.CLICK); |
| } |
| } |
| }; |
| |
| public KeyButtonView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public KeyButtonView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs); |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.KeyButtonView, |
| defStyle, 0); |
| |
| mCode = a.getInteger(R.styleable.KeyButtonView_keyCode, 0); |
| if (mCode == 0) { |
| Slog.w(TAG, "KeyButtonView without key code id=0x" + Integer.toHexString(getId())); |
| } |
| |
| a.recycle(); |
| |
| mWindowManager = IWindowManager.Stub.asInterface( |
| ServiceManager.getService(Context.WINDOW_SERVICE)); |
| |
| setClickable(true); |
| mTouchSlop = ViewConfiguration.get(context).getScaledTouchSlop(); |
| } |
| |
| public boolean onTouchEvent(MotionEvent ev) { |
| final int action = ev.getAction(); |
| int x, y; |
| |
| switch (action) { |
| case MotionEvent.ACTION_DOWN: |
| //Slog.d("KeyButtonView", "press"); |
| mDownTime = SystemClock.uptimeMillis(); |
| mRepeat = 0; |
| mSending = true; |
| sendEvent(KeyEvent.ACTION_DOWN, |
| KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY, mDownTime); |
| setPressed(true); |
| removeCallbacks(mCheckLongPress); |
| postDelayed(mCheckLongPress, ViewConfiguration.getLongPressTimeout()); |
| break; |
| case MotionEvent.ACTION_MOVE: |
| if (mSending) { |
| x = (int)ev.getX(); |
| y = (int)ev.getY(); |
| setPressed(x >= -mTouchSlop |
| && x < getWidth() + mTouchSlop |
| && y >= -mTouchSlop |
| && y < getHeight() + mTouchSlop); |
| } |
| break; |
| case MotionEvent.ACTION_CANCEL: |
| setPressed(false); |
| if (mSending) { |
| mSending = false; |
| sendEvent(KeyEvent.ACTION_UP, |
| KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY |
| | KeyEvent.FLAG_CANCELED); |
| removeCallbacks(mCheckLongPress); |
| } |
| break; |
| case MotionEvent.ACTION_UP: |
| final boolean doIt = isPressed(); |
| setPressed(false); |
| if (mSending) { |
| mSending = false; |
| final int flags = KeyEvent.FLAG_FROM_SYSTEM | KeyEvent.FLAG_VIRTUAL_HARD_KEY; |
| removeCallbacks(mCheckLongPress); |
| if (doIt) { |
| sendEvent(KeyEvent.ACTION_UP, flags); |
| sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED); |
| playSoundEffect(SoundEffectConstants.CLICK); |
| } else { |
| sendEvent(KeyEvent.ACTION_UP, flags | KeyEvent.FLAG_CANCELED); |
| } |
| } |
| break; |
| } |
| |
| return true; |
| } |
| |
| void sendEvent(int action, int flags) { |
| sendEvent(action, flags, SystemClock.uptimeMillis()); |
| } |
| |
| void sendEvent(int action, int flags, long when) { |
| final KeyEvent ev = new KeyEvent(mDownTime, when, action, mCode, mRepeat, |
| 0, KeyCharacterMap.VIRTUAL_KEYBOARD, 0, flags, InputDevice.SOURCE_KEYBOARD); |
| try { |
| //Slog.d(TAG, "injecting event " + ev); |
| mWindowManager.injectInputEventNoWait(ev); |
| } catch (RemoteException ex) { |
| // System process is dead |
| } |
| } |
| } |
| |
| |