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