/*
* Copyright (C) 2008 Esmertec AG.
* 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.mms.ui;
import com.android.mms.R;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.MediaPlayer;
import android.net.Uri;
import android.text.method.HideReturnsTransformationMethod;
import android.util.AttributeSet;
import android.util.Config;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.AbsoluteLayout;
import android.widget.ImageView;
import android.widget.ScrollView;
import android.widget.TextView;
import android.widget.VideoView;
import java.io.IOException;
import java.util.Map;
/**
* A basic view to show the contents of a slide.
*/
public class SlideView extends AbsoluteLayout implements
AdaptableSlideViewInterface {
private static final String TAG = "SlideView";
private static final boolean DEBUG = false;
private static final boolean LOCAL_LOGV = DEBUG ? Config.LOGD : Config.LOGV;
// FIXME: Need getHeight from mAudioInfoView instead of constant AUDIO_INFO_HEIGHT.
private static final int AUDIO_INFO_HEIGHT = 82;
private View mAudioInfoView;
private ImageView mImageView;
private VideoView mVideoView;
private ScrollView mScrollText;
private TextView mTextView;
private OnSizeChangedListener mSizeChangedListener;
private MediaPlayer mAudioPlayer;
private boolean mIsPrepared;
private boolean mStartWhenPrepared;
private int mSeekWhenPrepared;
private boolean mStopWhenPrepared;
MediaPlayer.OnPreparedListener mPreparedListener = new MediaPlayer.OnPreparedListener() {
public void onPrepared(MediaPlayer mp) {
mIsPrepared = true;
if (mSeekWhenPrepared > 0) {
mAudioPlayer.seekTo(mSeekWhenPrepared);
mSeekWhenPrepared = 0;
}
if (mStartWhenPrepared) {
mAudioPlayer.start();
mStartWhenPrepared = false;
displayAudioInfo();
}
if (mStopWhenPrepared) {
mAudioPlayer.stop();
mAudioPlayer.release();
mAudioPlayer = null;
mStopWhenPrepared = false;
hideAudioInfo();
}
}
};
public SlideView(Context context) {
super(context);
}
public SlideView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void setImage(String name, Bitmap bitmap) {
if (mImageView == null) {
mImageView = new ImageView(mContext);
addView(mImageView, new LayoutParams(
0, 0, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
if (DEBUG) {
mImageView.setBackgroundColor(0xFFFF0000);
}
}
if (null == bitmap) {
bitmap = BitmapFactory.decodeResource(getResources(),
R.drawable.ic_missing_thumbnail_picture);
}
mImageView.setImageBitmap(bitmap);
}
public void setImageRegion(int left, int top, int width, int height) {
if (mImageView != null) {
mImageView.setLayoutParams(new LayoutParams(width, height, left, top));
}
}
public void setImageRegionFit(String fit) {
// TODO Auto-generated method stub
}
public void setVideo(String name, Uri video) {
if (mVideoView == null) {
mVideoView = new VideoView(mContext);
addView(mVideoView, new LayoutParams(
0, 0, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
if (DEBUG) {
mVideoView.setBackgroundColor(0xFFFF0000);
}
}
if (LOCAL_LOGV) {
Log.v(TAG, "Changing video source to " + video);
}
mVideoView.setVideoURI(video);
}
private void initAudioInfoView(String name) {
if (null == mAudioInfoView) {
LayoutInflater factory = LayoutInflater.from(getContext());
mAudioInfoView = factory.inflate(R.layout.playing_audio_info, null);
int height = mAudioInfoView.getHeight();
TextView audioName = (TextView) mAudioInfoView.findViewById(R.id.name);
audioName.setText(name);
addView(mAudioInfoView, new LayoutParams(
LayoutParams.FILL_PARENT, AUDIO_INFO_HEIGHT,
0, getHeight() - AUDIO_INFO_HEIGHT));
if (DEBUG) {
mAudioInfoView.setBackgroundColor(0xFFFF0000);
}
}
mAudioInfoView.setVisibility(View.GONE);
}
private void displayAudioInfo() {
if (null != mAudioInfoView) {
mAudioInfoView.setVisibility(View.VISIBLE);
}
}
private void hideAudioInfo() {
if (null != mAudioInfoView) {
mAudioInfoView.setVisibility(View.GONE);
}
}
public void setAudio(Uri audio, String name, Map<String, ?> extras) {
if (audio == null) {
throw new IllegalArgumentException("Audio URI may not be null.");
}
if (LOCAL_LOGV) {
Log.v(TAG, "Changing audio source to " + audio);
}
if (mAudioPlayer != null) {
mAudioPlayer.reset();
mAudioPlayer.release();
mAudioPlayer = null;
}
mIsPrepared = false;
try {
mAudioPlayer = new MediaPlayer();
mAudioPlayer.setOnPreparedListener(mPreparedListener);
mAudioPlayer.setDataSource(mContext, audio);
mAudioPlayer.prepareAsync();
} catch (IOException e) {
Log.e(TAG, "Unexpected IOException.", e);
mAudioPlayer.release();
mAudioPlayer = null;
}
initAudioInfoView(name);
}
public void setText(String name, String text) {
if (null == mScrollText) {
mScrollText = new ScrollView(mContext);
mScrollText.setScrollBarStyle(SCROLLBARS_OUTSIDE_INSET);
addView(mScrollText, new LayoutParams(
0, 0, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
if (DEBUG) {
mScrollText.setBackgroundColor(0xFF00FF00);
}
}
if (null == mTextView) {
mTextView = new TextView(mContext);
mTextView.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
mScrollText.addView(mTextView);
}
mScrollText.requestFocus();
mTextView.setText(text);
}
public void setTextRegion(int left, int top, int width, int height) {
if (mScrollText != null) {
mScrollText.setLayoutParams(new LayoutParams(width, height, left, top));
}
}
public void setVideoRegion(int left, int top, int width, int height) {
if (mVideoView != null) {
mVideoView.setLayoutParams(new LayoutParams(width, height, left, top));
}
}
public void setImageVisibility(boolean visible) {
if (mImageView != null) {
mImageView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
}
}
public void setTextVisibility(boolean visible) {
if (mScrollText != null) {
mScrollText.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
}
}
public void setVideoVisibility(boolean visible) {
if (mVideoView != null) {
mVideoView.setVisibility(visible ? View.VISIBLE : View.INVISIBLE);
}
}
public void startAudio() {
if ((mAudioPlayer != null) && mIsPrepared) {
mAudioPlayer.start();
mStartWhenPrepared = false;
displayAudioInfo();
} else {
mStartWhenPrepared = true;
}
}
public void stopAudio() {
if ((mAudioPlayer != null) && mIsPrepared) {
mAudioPlayer.stop();
mAudioPlayer.release();
mAudioPlayer = null;
hideAudioInfo();
} else {
mStopWhenPrepared = true;
}
}
public void pauseAudio() {
if ((mAudioPlayer != null) && mIsPrepared) {
if (mAudioPlayer.isPlaying()) {
mAudioPlayer.pause();
}
}
mStartWhenPrepared = false;
}
public void seekAudio(int seekTo) {
if ((mAudioPlayer != null) && mIsPrepared) {
mAudioPlayer.seekTo(seekTo);
} else {
mSeekWhenPrepared = seekTo;
}
}
public void startVideo() {
if (mVideoView != null) {
if (LOCAL_LOGV) {
Log.v(TAG, "Starting video playback.");
}
mVideoView.start();
}
}
public void stopVideo() {
if ((mVideoView != null)) {
if (LOCAL_LOGV) {
Log.v(TAG, "Stopping video playback.");
}
mVideoView.stopPlayback();
}
}
public void pauseVideo() {
if (mVideoView != null) {
if (LOCAL_LOGV) {
Log.v(TAG, "Pausing video playback.");
}
mVideoView.pause();
}
}
public void seekVideo(int seekTo) {
if (mVideoView != null) {
if (seekTo > 0) {
if (LOCAL_LOGV) {
Log.v(TAG, "Seeking video playback to " + seekTo);
}
mVideoView.seekTo(seekTo);
}
}
}
public void reset() {
if (null != mScrollText) {
mScrollText.setVisibility(View.GONE);
}
if (null != mImageView) {
mImageView.setVisibility(View.GONE);
}
if (null != mAudioPlayer) {
stopAudio();
}
if (null != mVideoView) {
stopVideo();
mVideoView.setVisibility(View.GONE);
}
}
public void setVisibility(boolean visible) {
// TODO Auto-generated method stub
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
if (mSizeChangedListener != null) {
if (LOCAL_LOGV) {
Log.v(TAG, "new size=" + w + "x" + h);
}
mSizeChangedListener.onSizeChanged(w, h - AUDIO_INFO_HEIGHT);
}
}
public void setOnSizeChangedListener(OnSizeChangedListener l) {
mSizeChangedListener = l;
}
}
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