| /* |
| * 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.media2.widget; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.view.Surface; |
| import android.view.SurfaceHolder; |
| import android.view.SurfaceView; |
| |
| import androidx.core.content.ContextCompat; |
| |
| @SuppressWarnings("deprecation") |
| class VideoSurfaceView extends SurfaceView implements VideoViewInterface, SurfaceHolder.Callback { |
| private Surface mSurface = null; |
| SurfaceListener mSurfaceListener = null; |
| private PlayerWrapper mPlayer; |
| |
| VideoSurfaceView(Context context) { |
| super(context, null); |
| getHolder().addCallback(this); |
| } |
| |
| //////////////////////////////////////////////////// |
| // implements VideoViewInterface |
| //////////////////////////////////////////////////// |
| |
| @Override |
| public boolean assignSurfaceToPlayerWrapper(PlayerWrapper player) { |
| mPlayer = player; |
| if (player == null || !hasAvailableSurface()) { |
| return false; |
| } |
| player.setSurface(mSurface).addListener( |
| new Runnable() { |
| @Override |
| public void run() { |
| if (mSurfaceListener != null) { |
| mSurfaceListener.onSurfaceTakeOverDone(VideoSurfaceView.this); |
| } |
| } |
| }, ContextCompat.getMainExecutor(getContext()) |
| ); |
| return true; |
| } |
| |
| @Override |
| public void setSurfaceListener(SurfaceListener l) { |
| mSurfaceListener = l; |
| } |
| |
| @Override |
| public int getViewType() { |
| return androidx.media2.widget.VideoView.VIEW_TYPE_SURFACEVIEW; |
| } |
| |
| @Override |
| public boolean hasAvailableSurface() { |
| return mSurface != null && mSurface.isValid(); |
| } |
| |
| //////////////////////////////////////////////////// |
| // implements SurfaceHolder.Callback |
| //////////////////////////////////////////////////// |
| |
| @Override |
| public void surfaceCreated(SurfaceHolder holder) { |
| mSurface = holder.getSurface(); |
| if (mSurfaceListener != null) { |
| Rect rect = holder.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 |
| mSurface = null; |
| if (mSurfaceListener != null) { |
| mSurfaceListener.onSurfaceDestroyed(this); |
| } |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| final int videoWidth = mPlayer != null ? mPlayer.getVideoSize().getWidth() : 0; |
| final int videoHeight = mPlayer != null ? mPlayer.getVideoSize().getHeight() : 0; |
| |
| int width; |
| int height; |
| |
| if (videoWidth == 0 || videoHeight == 0) { |
| width = getDefaultSize(videoWidth, widthMeasureSpec); |
| height = getDefaultSize(videoHeight, heightMeasureSpec); |
| setMeasuredDimension(width, height); |
| return; |
| } |
| |
| final int widthSpecMode = MeasureSpec.getMode(widthMeasureSpec); |
| final int widthSpecSize = MeasureSpec.getSize(widthMeasureSpec); |
| final int heightSpecMode = MeasureSpec.getMode(heightMeasureSpec); |
| final int heightSpecSize = MeasureSpec.getSize(heightMeasureSpec); |
| |
| if (widthSpecMode == MeasureSpec.EXACTLY && heightSpecMode == MeasureSpec.EXACTLY) { |
| // the size is fixed |
| width = widthSpecSize; |
| height = heightSpecSize; |
| |
| // for compatibility, we adjust size based on aspect ratio |
| if (videoWidth * height < width * videoHeight) { |
| width = height * videoWidth / videoHeight; |
| } else if (videoWidth * height > width * videoHeight) { |
| height = width * videoHeight / videoWidth; |
| } |
| } else if (widthSpecMode == MeasureSpec.EXACTLY) { |
| // only the width is fixed, adjust the height to match aspect ratio if possible |
| width = widthSpecSize; |
| height = width * videoHeight / videoWidth; |
| if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) { |
| // couldn't match aspect ratio within the constraints |
| height = heightSpecSize | MEASURED_STATE_TOO_SMALL; |
| } |
| } else if (heightSpecMode == MeasureSpec.EXACTLY) { |
| // only the height is fixed, adjust the width to match aspect ratio if possible |
| height = heightSpecSize; |
| width = height * videoWidth / videoHeight; |
| if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) { |
| // couldn't match aspect ratio within the constraints |
| width = widthSpecSize | MEASURED_STATE_TOO_SMALL; |
| } |
| } else { |
| // neither the width nor the height are fixed, try to use actual video size |
| width = videoWidth; |
| height = videoHeight; |
| if (heightSpecMode == MeasureSpec.AT_MOST && height > heightSpecSize) { |
| // too tall, decrease both width and height |
| height = heightSpecSize; |
| width = height * videoWidth / videoHeight; |
| } |
| if (widthSpecMode == MeasureSpec.AT_MOST && width > widthSpecSize) { |
| // too wide, decrease both width and height |
| width = widthSpecSize; |
| height = width * videoHeight / videoWidth; |
| } |
| } |
| |
| setMeasuredDimension(width, height); |
| } |
| } |