ultrasonic-app-subsonic-and.../core/pulltorefresh/src/main/java/com/handmark/pulltorefresh/library/extras/SoundPullEventListener.java

97 lines
2.9 KiB
Java

/*******************************************************************************
* Copyright 2011, 2012 Chris Banes.
*
* 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.handmark.pulltorefresh.library.extras;
import java.util.HashMap;
import android.content.Context;
import android.media.MediaPlayer;
import android.view.View;
import com.handmark.pulltorefresh.library.PullToRefreshBase;
import com.handmark.pulltorefresh.library.PullToRefreshBase.Mode;
import com.handmark.pulltorefresh.library.PullToRefreshBase.State;
public class SoundPullEventListener<V extends View> implements PullToRefreshBase.OnPullEventListener<V> {
private final Context mContext;
private final HashMap<State, Integer> mSoundMap;
private MediaPlayer mCurrentMediaPlayer;
/**
* Constructor
*
* @param context - Context
*/
public SoundPullEventListener(Context context) {
mContext = context;
mSoundMap = new HashMap<State, Integer>();
}
@Override
public final void onPullEvent(PullToRefreshBase<V> refreshView, State event, Mode direction) {
Integer soundResIdObj = mSoundMap.get(event);
if (null != soundResIdObj) {
playSound(soundResIdObj.intValue());
}
}
/**
* Set the Sounds to be played when a Pull Event happens. You specify which
* sound plays for which events by calling this method multiple times for
* each event.
* <p/>
* If you've already set a sound for a certain event, and add another sound
* for that event, only the new sound will be played.
*
* @param event - The event for which the sound will be played.
* @param resId - Resource Id of the sound file to be played (e.g.
* <var>R.raw.pull_sound</var>)
*/
public void addSoundEvent(State event, int resId) {
mSoundMap.put(event, resId);
}
/**
* Clears all of the previously set sounds and events.
*/
public void clearSounds() {
mSoundMap.clear();
}
/**
* Gets the current (or last) MediaPlayer instance.
*/
public MediaPlayer getCurrentMediaPlayer() {
return mCurrentMediaPlayer;
}
private void playSound(int resId) {
// Stop current player, if there's one playing
if (null != mCurrentMediaPlayer) {
mCurrentMediaPlayer.stop();
mCurrentMediaPlayer.release();
}
mCurrentMediaPlayer = MediaPlayer.create(mContext, resId);
if (null != mCurrentMediaPlayer) {
mCurrentMediaPlayer.start();
}
}
}