src/com/android/launcher/GesturesPanel.java

/*
 * Copyright (C) 2009 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.launcher;

import android.widget.LinearLayout;
import android.content.Context;
import android.util.AttributeSet;
import android.view.KeyEvent;

public class GesturesPanel extends LinearLayout {
    public GesturesPanel(Context context) {
        super(context);
    }

    public GesturesPanel(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean isOpaque() {
        return true;
    }

    @Override
    public boolean dispatchKeyEvent(KeyEvent event) {
        final int keyCode = event.getKeyCode();
        
        switch (keyCode) {
            case KeyEvent.KEYCODE_VOLUME_UP:
            case KeyEvent.KEYCODE_VOLUME_DOWN:
            case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:
            case KeyEvent.KEYCODE_MUTE:
            case KeyEvent.KEYCODE_HEADSETHOOK:
            case KeyEvent.KEYCODE_MEDIA_STOP:
            case KeyEvent.KEYCODE_MEDIA_NEXT:
            case KeyEvent.KEYCODE_MEDIA_PREVIOUS:
            case KeyEvent.KEYCODE_MEDIA_REWIND:
            case KeyEvent.KEYCODE_MEDIA_FAST_FORWARD:
            case KeyEvent.KEYCODE_CAMERA:
            case KeyEvent.KEYCODE_CALL:
            case KeyEvent.KEYCODE_SEARCH:
                return ((Launcher) mContext).getWorkspace().getRootView().dispatchKeyEvent(event);
        }
        
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            if (event.getAction() == KeyEvent.ACTION_DOWN) {
                ((Launcher) mContext).hideGesturesPanel();
                return true;
            }
        } else {
            return super.dispatchKeyEvent(event);
        }
        return false;
    }
}