io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry Class Reference

Inheritance diagram for io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry:

Public Member Functions
void	onTrimMemory (int level)
SurfaceTextureWrapper	textureWrapper ()
SurfaceTexture	surfaceTexture ()
long	id ()
void	release ()
void	setOnFrameConsumedListener (@Nullable OnFrameConsumedListener listener)
void	setOnTrimMemoryListener (@Nullable OnTrimMemoryListener listener)

Protected Member Functions
void	finalize () throws Throwable

Package Functions
	SurfaceTextureRegistryEntry (long id, @NonNull SurfaceTexture surfaceTexture)

Detailed Description

Definition at line 282 of file FlutterRenderer.java.

Constructor & Destructor Documentation

SurfaceTextureRegistryEntry()

io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.SurfaceTextureRegistryEntry ( long  id, @NonNull SurfaceTexture  surfaceTexture  )

inlinepackage

Definition at line 290 of file FlutterRenderer.java.

                                                                                 {
      this.id = id;
      Runnable onFrameConsumed =
          () -> {
            if (frameConsumedListener != null) {
              frameConsumedListener.onFrameConsumed();
            }
          };
      this.textureWrapper = new SurfaceTextureWrapper(surfaceTexture, onFrameConsumed);
 
      // Even though we make sure to unregister the callback before releasing, as of
      // Android O, SurfaceTexture has a data race when accessing the callback, so the
      // callback may still be called by a stale reference after released==true and
      // mNativeView==null.
      SurfaceTexture.OnFrameAvailableListener onFrameListener =
          texture -> {
            if (released || !flutterJNI.isAttached()) {
              // Even though we make sure to unregister the callback before releasing, as of
              // Android O, SurfaceTexture has a data race when accessing the callback, so the
              // callback may still be called by a stale reference after released==true and
              // mNativeView==null.
              return;
            }
            textureWrapper.markDirty();
            scheduleEngineFrame();
          };
      // The callback relies on being executed on the UI thread (unsynchronised read of
      // mNativeView and also the engine code check for platform thread in
      // Shell::OnPlatformViewMarkTextureFrameAvailable), so we explicitly pass a Handler for the
      // current thread.
      this.surfaceTexture().setOnFrameAvailableListener(onFrameListener, new Handler());
    }

Member Function Documentation

finalize()

void io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.finalize ( ) throws Throwable

inlineprotected

Definition at line 363 of file FlutterRenderer.java.

                                               {
      try {
        if (released) {
          return;
        }
 
        handler.post(new TextureFinalizerRunnable(id, flutterJNI));
      } finally {
        super.finalize();
      }
    }

id()

long io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.id ( )

inline

Definition at line 346 of file FlutterRenderer.java.

                     {
      return id;
    }

onTrimMemory()

void io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.onTrimMemory ( int  level )

inline

Definition at line 324 of file FlutterRenderer.java.

                                        {
      if (trimMemoryListener != null) {
        trimMemoryListener.onTrimMemory(level);
      }
    }

release()

void io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.release ( )

inline

Definition at line 351 of file FlutterRenderer.java.

                          {
      if (released) {
        return;
      }
      Log.v(TAG, "Releasing a SurfaceTexture (" + id + ").");
      textureWrapper.release();
      unregisterTexture(id);
      removeListener();
      released = true;
    }

setOnFrameConsumedListener()

void io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.setOnFrameConsumedListener ( @Nullable OnFrameConsumedListener  listener )

inline

Definition at line 376 of file FlutterRenderer.java.

                                                                                       {
      frameConsumedListener = listener;
    }

setOnTrimMemoryListener()

void io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.setOnTrimMemoryListener ( @Nullable OnTrimMemoryListener  listener )

inline

Definition at line 381 of file FlutterRenderer.java.

                                                                                 {
      trimMemoryListener = listener;
    }

surfaceTexture()

SurfaceTexture io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.surfaceTexture ( )

inline

Definition at line 341 of file FlutterRenderer.java.

                                           {
      return textureWrapper.surfaceTexture();
    }

textureWrapper()

SurfaceTextureWrapper io.flutter.embedding.engine.renderer.FlutterRenderer.SurfaceTextureRegistryEntry.textureWrapper ( )

inline

Definition at line 335 of file FlutterRenderer.java.

                                                  {
      return textureWrapper;
    }

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The documentation for this class was generated from the following file:

• shell/platform/android/io/flutter/embedding/engine/renderer/FlutterRenderer.java