blob: 9f122868fd3813ce8c743e19fad1e429fa94ba03 [file] [log] [blame]
/*
* Copyright (C) 2015 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.settings.fingerprint;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.SurfaceTexture;
import android.media.MediaPlayer;
import android.media.MediaPlayer.OnInfoListener;
import android.media.MediaPlayer.OnPreparedListener;
import android.net.Uri;
import android.util.AttributeSet;
import android.view.Surface;
import android.view.TextureView;
import android.view.View;
import com.android.settings.R;
/**
* A view containing a VideoView for showing the user how to enroll a fingerprint
*/
public class FingerprintLocationAnimationVideoView extends TextureView
implements FingerprintFindSensorAnimation {
protected float mAspect = 1.0f; // initial guess until we know
protected MediaPlayer mMediaPlayer;
public FingerprintLocationAnimationVideoView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
// Width is driven by measurespec, height is derrived from aspect ratio
int originalWidth = MeasureSpec.getSize(widthMeasureSpec);
int height = Math.round(mAspect * originalWidth);
super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY));
}
protected Uri getFingerprintLocationAnimation() {
return resourceEntryToUri(getContext(), R.raw.fingerprint_location_animation);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
setSurfaceTextureListener(new SurfaceTextureListener() {
private SurfaceTexture mTextureToDestroy = null;
@Override
public void onSurfaceTextureAvailable(SurfaceTexture surfaceTexture, int width,
int height) {
setVisibility(View.INVISIBLE);
Uri videoUri = getFingerprintLocationAnimation();
if (mMediaPlayer != null) {
mMediaPlayer.release();
}
if (mTextureToDestroy != null) {
mTextureToDestroy.release();
mTextureToDestroy = null;
}
mMediaPlayer = MediaPlayer.create(mContext, videoUri);
mMediaPlayer.setSurface(new Surface(surfaceTexture));
mMediaPlayer.setOnPreparedListener(new OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mediaPlayer) {
mediaPlayer.setLooping(true);
}
});
mMediaPlayer.setOnInfoListener(new OnInfoListener() {
@Override
public boolean onInfo(MediaPlayer mediaPlayer, int what, int extra) {
if (what == MediaPlayer.MEDIA_INFO_VIDEO_RENDERING_START) {
// Keep the view hidden until video starts
setVisibility(View.VISIBLE);
}
return false;
}
});
mAspect = (float) mMediaPlayer.getVideoHeight() / mMediaPlayer.getVideoWidth();
requestLayout();
startAnimation();
}
@Override
public void onSurfaceTextureSizeChanged(SurfaceTexture surfaceTexture,
int width, int height) {
}
@Override
public boolean onSurfaceTextureDestroyed(SurfaceTexture surfaceTexture) {
mTextureToDestroy = surfaceTexture;
return false;
}
@Override
public void onSurfaceTextureUpdated(SurfaceTexture surfaceTexture) {
}
});
}
protected static Uri resourceEntryToUri (Context context, int id) {
Resources res = context.getResources();
return Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE + "://" +
res.getResourcePackageName(id) + '/' +
res.getResourceTypeName(id) + '/' +
res.getResourceEntryName(id));
}
@Override
public void startAnimation() {
if (mMediaPlayer != null && !mMediaPlayer.isPlaying()) {
mMediaPlayer.start();
}
}
@Override
public void stopAnimation() {
if (mMediaPlayer != null) {
mMediaPlayer.stop();
mMediaPlayer.release();
mMediaPlayer = null;
}
}
@Override
public void pauseAnimation() {
if (mMediaPlayer != null && mMediaPlayer.isPlaying()) {
mMediaPlayer.pause();
}
}
}