| /* |
| * Copyright 2018 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 androidx.widget; |
| |
| import static androidx.widget.VideoView2.VIEW_TYPE_SURFACEVIEW; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.media.MediaPlayer; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| import android.view.View; |
| |
| import androidx.annotation.NonNull; |
| import androidx.annotation.RequiresApi; |
| |
| @RequiresApi(21) |
| class VideoSurfaceView extends SurfaceView implements VideoViewInterface, SurfaceHolder.Callback { |
| private static final String TAG = "VideoSurfaceView"; |
| private static final boolean DEBUG = true; // STOPSHIP: Log.isLoggable(TAG, Log.DEBUG); |
| private SurfaceHolder mSurfaceHolder = null; |
| private SurfaceListener mSurfaceListener = null; |
| private MediaPlayer mMediaPlayer; |
| // A flag to indicate taking over other view should be proceed. |
| private boolean mIsTakingOverOldView; |
| private VideoViewInterface mOldView; |
| |
| |
| VideoSurfaceView(Context context) { |
| this(context, null); |
| } |
| |
| VideoSurfaceView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| VideoSurfaceView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| getHolder().addCallback(this); |
| } |
| |
| @RequiresApi(21) |
| VideoSurfaceView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| getHolder().addCallback(this); |
| } |
| |
| //////////////////////////////////////////////////// |
| // implements VideoViewInterface |
| //////////////////////////////////////////////////// |
| |
| @Override |
| public boolean assignSurfaceToMediaPlayer(MediaPlayer mp) { |
| Log.d(TAG, "assignSurfaceToMediaPlayer(): mSurfaceHolder: " + mSurfaceHolder); |
| if (mp == null || !hasAvailableSurface()) { |
| return false; |
| } |
| mp.setDisplay(mSurfaceHolder); |
| return true; |
| } |
| |
| @Override |
| public void setSurfaceListener(SurfaceListener l) { |
| mSurfaceListener = l; |
| } |
| |
| @Override |
| public int getViewType() { |
| return VIEW_TYPE_SURFACEVIEW; |
| } |
| |
| @Override |
| public void setMediaPlayer(MediaPlayer mp) { |
| mMediaPlayer = mp; |
| if (mIsTakingOverOldView) { |
| takeOver(mOldView); |
| } |
| } |
| |
| @Override |
| public void takeOver(@NonNull VideoViewInterface oldView) { |
| if (assignSurfaceToMediaPlayer(mMediaPlayer)) { |
| ((View) oldView).setVisibility(GONE); |
| mIsTakingOverOldView = false; |
| mOldView = null; |
| if (mSurfaceListener != null) { |
| mSurfaceListener.onSurfaceTakeOverDone(this); |
| } |
| } else { |
| mIsTakingOverOldView = true; |
| mOldView = oldView; |
| } |
| } |
| |
| @Override |
| public boolean hasAvailableSurface() { |
| return (mSurfaceHolder != null && mSurfaceHolder.getSurface() != null); |
| } |
| |
| //////////////////////////////////////////////////// |
| // implements SurfaceHolder.Callback |
| //////////////////////////////////////////////////// |
| |
| @Override |
| public void surfaceCreated(SurfaceHolder holder) { |
| Log.d(TAG, "surfaceCreated: mSurfaceHolder: " + mSurfaceHolder + ", new holder: " + holder); |
| mSurfaceHolder = holder; |
| if (mIsTakingOverOldView) { |
| takeOver(mOldView); |
| } else { |
| assignSurfaceToMediaPlayer(mMediaPlayer); |
| } |
| |
| if (mSurfaceListener != null) { |
| Rect rect = mSurfaceHolder.getSurfaceFrame(); |
| mSurfaceListener.onSurfaceCreated(this, rect.width(), rect.height()); |
| } |
| } |
| |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { |
| if (mSurfaceListener != null) { |
| mSurfaceListener.onSurfaceChanged(this, width, height); |
| } |
| } |
| |
| @Override |
| public void surfaceDestroyed(SurfaceHolder holder) { |
| // After we return from this we can't use the surface any more |
| mSurfaceHolder = null; |
| if (mSurfaceListener != null) { |
| mSurfaceListener.onSurfaceDestroyed(this); |
| } |
| } |
| |
| // TODO: Investigate the way to move onMeasure() code into FrameLayout. |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int videoWidth = (mMediaPlayer == null) ? 0 : mMediaPlayer.getVideoWidth(); |
| int videoHeight = (mMediaPlayer == null) ? 0 : mMediaPlayer.getVideoHeight(); |
| if (DEBUG) { |
| Log.d(TAG, "onMeasure(" + MeasureSpec.toString(widthMeasureSpec) + ", " |
| + MeasureSpec.toString(heightMeasureSpec) + ")"); |
| Log.i(TAG, " measuredSize: " + getMeasuredWidth() + "/" + getMeasuredHeight()); |
| Log.i(TAG, " viewSize: " + getWidth() + "/" + getHeight()); |
| Log.i(TAG, " mVideoWidth/height: " + videoWidth + ", " + videoHeight); |
| } |
| |
| int width = getDefaultSize(videoWidth, widthMeasureSpec); |
| int height = getDefaultSize(videoHeight, heightMeasureSpec); |
| |
| if (videoWidth > 0 && videoHeight > 0) { |
| int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); |
| int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); |
| |
| width = widthSpecSize; |
| height = heightSpecSize; |
| |
| // for compatibility, we adjust size based on aspect ratio |
| if (videoWidth * height < width * videoHeight) { |
| width = height * videoWidth / videoHeight; |
| if (DEBUG) { |
| Log.d(TAG, "image too wide, correcting. width: " + width); |
| } |
| } else if (videoWidth * height > width * videoHeight) { |
| height = width * videoHeight / videoWidth; |
| if (DEBUG) { |
| Log.d(TAG, "image too tall, correcting. height: " + height); |
| } |
| } |
| } else { |
| // no size yet, just adopt the given spec sizes |
| } |
| setMeasuredDimension(width, height); |
| if (DEBUG) { |
| Log.i(TAG, "end of onMeasure()"); |
| Log.i(TAG, " measuredSize: " + getMeasuredWidth() + "/" + getMeasuredHeight()); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "ViewType: SurfaceView / Visibility: " + getVisibility() |
| + " / surfaceHolder: " + mSurfaceHolder; |
| } |
| } |