Concrete implementation of PlatformViewAndroidJNI that is compiled with the Android toolchain. More...

#include <platform_view_android_jni_impl.h>

Inheritance diagram for flutter::PlatformViewAndroidJNIImpl:

Public Member Functions
	PlatformViewAndroidJNIImpl (const fml::jni::JavaObjectWeakGlobalRef &java_object)

	~PlatformViewAndroidJNIImpl () override

void	FlutterViewHandlePlatformMessage (std::unique_ptr< flutter::PlatformMessage > message, int responseId) override
	Sends a platform message. The message may be empty.

void	FlutterViewHandlePlatformMessageResponse (int responseId, std::unique_ptr< fml::Mapping > data) override
	Responds to a platform message. The data may be a `nullptr`.

void	FlutterViewUpdateSemantics (std::vector< uint8_t > buffer, std::vector< std::string > strings, std::vector< std::vector< uint8_t > > string_attribute_args) override
	Sends semantics tree updates.

void	FlutterViewSetApplicationLocale (std::string locale) override
	Set application locale to a given language.

void	FlutterViewUpdateCustomAccessibilityActions (std::vector< uint8_t > actions_buffer, std::vector< std::string > strings) override
	Sends new custom accessibility events.

void	FlutterViewOnFirstFrame () override
	Indicates that FlutterView should start painting pixels.

void	FlutterViewOnPreEngineRestart () override
	Indicates that a hot restart is about to happen.

void	SurfaceTextureAttachToGLContext (JavaLocalRef surface_texture, int textureId) override
	Attach the SurfaceTexture to the OpenGL ES context that is current on the calling thread.

bool	SurfaceTextureShouldUpdate (JavaLocalRef surface_texture) override
	Returns true if surface_texture should be updated.

void	SurfaceTextureUpdateTexImage (JavaLocalRef surface_texture) override
	Updates the texture image to the most recent frame from the image stream.

SkM44	SurfaceTextureGetTransformMatrix (JavaLocalRef surface_texture) override
	Gets the transform matrix from the SurfaceTexture. Then, it updates the `transform` matrix, so it fill the canvas and preserve the aspect ratio.

void	SurfaceTextureDetachFromGLContext (JavaLocalRef surface_texture) override
	Detaches a SurfaceTexture from the OpenGL ES context.

JavaLocalRef	ImageProducerTextureEntryAcquireLatestImage (JavaLocalRef image_texture_entry) override
	Acquire the latest image available.

JavaLocalRef	ImageGetHardwareBuffer (JavaLocalRef image) override
	Grab the HardwareBuffer from image.

void	ImageClose (JavaLocalRef image) override
	Call close on image.

void	HardwareBufferClose (JavaLocalRef hardware_buffer) override
	Call close on hardware_buffer.

void	FlutterViewOnDisplayPlatformView (int view_id, int x, int y, int width, int height, int viewWidth, int viewHeight, MutatorsStack mutators_stack) override
	Positions and sizes a platform view if using hybrid composition.

void	FlutterViewDisplayOverlaySurface (int surface_id, int x, int y, int width, int height) override
	Positions and sizes an overlay surface in hybrid composition.

void	FlutterViewBeginFrame () override
	Initiates a frame if using hybrid composition.

void	FlutterViewEndFrame () override
	Indicates that the current frame ended. It's used to clean up state.

std::unique_ptr< PlatformViewAndroidJNI::OverlayMetadata >	FlutterViewCreateOverlaySurface () override
	Instantiates an overlay surface in hybrid composition and provides the necessary metadata to operate the surface in C.

void	FlutterViewDestroyOverlaySurfaces () override
	Destroys the overlay surfaces.

std::unique_ptr< std::vector< std::string > >	FlutterViewComputePlatformResolvedLocale (std::vector< std::string > supported_locales_data) override
	Computes the locale Android would select.

double	GetDisplayRefreshRate () override

double	GetDisplayWidth () override

double	GetDisplayHeight () override

double	GetDisplayDensity () override

bool	RequestDartDeferredLibrary (int loading_unit_id) override

double	FlutterViewGetScaledFontSize (double unscaled_font_size, int configuration_id) const override

ASurfaceTransaction *	createTransaction () override

void	swapTransaction () override

void	applyTransaction () override

std::unique_ptr< PlatformViewAndroidJNI::OverlayMetadata >	createOverlaySurface2 () override

void	destroyOverlaySurface2 () override

void	onDisplayPlatformView2 (int32_t view_id, int32_t x, int32_t y, int32_t width, int32_t height, int32_t viewWidth, int32_t viewHeight, MutatorsStack mutators_stack) override

void	hidePlatformView2 (int32_t view_id) override

void	showOverlaySurface2 () override

void	hideOverlaySurface2 () override

void	onEndFrame2 () override

Public Member Functions inherited from flutter::PlatformViewAndroidJNI
virtual	~PlatformViewAndroidJNI ()

Detailed Description

Concrete implementation of PlatformViewAndroidJNI that is compiled with the Android toolchain.

Definition at line 17 of file platform_view_android_jni_impl.h.

Constructor & Destructor Documentation

◆ PlatformViewAndroidJNIImpl()

flutter::PlatformViewAndroidJNIImpl::PlatformViewAndroidJNIImpl ( const fml::jni::JavaObjectWeakGlobalRef & java_object )

explicit

Definition at line 1326 of file platform_view_android_jni_impl.cc.

1328 : java_object_(java_object) {}

◆ ~PlatformViewAndroidJNIImpl()

flutter::PlatformViewAndroidJNIImpl::~PlatformViewAndroidJNIImpl ( )

overridedefault

Member Function Documentation

◆ applyTransaction()

void flutter::PlatformViewAndroidJNIImpl::applyTransaction ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2041 of file platform_view_android_jni_impl.cc.

                                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_apply_transaction_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ createOverlaySurface2()

std::unique_ptr< PlatformViewAndroidJNI::OverlayMetadata > flutter::PlatformViewAndroidJNIImpl::createOverlaySurface2 ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2055 of file platform_view_android_jni_impl.cc.

                                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return nullptr;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> overlay(
      env, env->CallObjectMethod(java_object.obj(),
                                 g_create_overlay_surface2_method));
  FML_CHECK(fml::jni::CheckException(env));
 
  if (overlay.is_null()) {
    return std::make_unique<PlatformViewAndroidJNI::OverlayMetadata>(0,
                                                                     nullptr);
  }
 
  jint overlay_id =
      env->CallIntMethod(overlay.obj(), g_overlay_surface_id_method);
 
  jobject overlay_surface =
      env->CallObjectMethod(overlay.obj(), g_overlay_surface_surface_method);
 
  auto overlay_window = fml::MakeRefCounted<AndroidNativeWindow>(
      ANativeWindow_fromSurface(env, overlay_surface));
 
  return std::make_unique<PlatformViewAndroidJNI::OverlayMetadata>(
      overlay_id, std::move(overlay_window));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_overlay_surface_id_method, flutter::g_overlay_surface_surface_method, fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ createTransaction()

ASurfaceTransaction * flutter::PlatformViewAndroidJNIImpl::createTransaction ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2008 of file platform_view_android_jni_impl.cc.

                                                                   {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return nullptr;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> transaction(
      env,
      env->CallObjectMethod(java_object.obj(), g_create_transaction_method));
  if (transaction.is_null()) {
    return nullptr;
  }
  FML_CHECK(fml::jni::CheckException(env));
 
  return impeller::android::GetProcTable().ASurfaceTransaction_fromJava(
      env, transaction.obj());
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), impeller::android::GetProcTable(), and fml::jni::JavaRef< T >::obj().

◆ destroyOverlaySurface2()

void flutter::PlatformViewAndroidJNIImpl::destroyOverlaySurface2 ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2086 of file platform_view_android_jni_impl.cc.

                                                        {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_destroy_overlay_surface2_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewBeginFrame()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewBeginFrame ( )

overridevirtual

Initiates a frame if using hybrid composition.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1819 of file platform_view_android_jni_impl.cc.

                                                       {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_begin_frame_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewComputePlatformResolvedLocale()

std::unique_ptr< std::vector< std::string > > flutter::PlatformViewAndroidJNIImpl::FlutterViewComputePlatformResolvedLocale ( std::vector< std::string > supported_locales_data )

overridevirtual

Computes the locale Android would select.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1891 of file platform_view_android_jni_impl.cc.

                                                 {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  std::unique_ptr<std::vector<std::string>> out =
      std::make_unique<std::vector<std::string>>();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return out;
  }
  fml::jni::ScopedJavaLocalRef<jobjectArray> j_locales_data =
      fml::jni::VectorToStringArray(env, supported_locales_data);
  jobjectArray result = static_cast<jobjectArray>(env->CallObjectMethod(
      java_object.obj(), g_compute_platform_resolved_locale_method,
      j_locales_data.obj()));
 
  FML_CHECK(fml::jni::CheckException(env));
 
  int length = env->GetArrayLength(result);
  for (int i = 0; i < length; i++) {
    out->emplace_back(fml::jni::JavaStringToString(
        env, static_cast<jstring>(env->GetObjectArrayElement(result, i))));
  }
  return out;
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_compute_platform_resolved_locale_method, fml::jni::JavaObjectWeakGlobalRef::get(), i, fml::jni::JavaStringToString(), length, fml::jni::JavaRef< T >::obj(), and fml::jni::VectorToStringArray().

◆ FlutterViewCreateOverlaySurface()

std::unique_ptr< PlatformViewAndroidJNI::OverlayMetadata > flutter::PlatformViewAndroidJNIImpl::FlutterViewCreateOverlaySurface ( )

overridevirtual

Instantiates an overlay surface in hybrid composition and provides the necessary metadata to operate the surface in C.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1846 of file platform_view_android_jni_impl.cc.

                                                            {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return nullptr;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> overlay(
      env, env->CallObjectMethod(java_object.obj(),
                                 g_create_overlay_surface_method));
  FML_CHECK(fml::jni::CheckException(env));
 
  if (overlay.is_null()) {
    return std::make_unique<PlatformViewAndroidJNI::OverlayMetadata>(0,
                                                                     nullptr);
  }
 
  jint overlay_id =
      env->CallIntMethod(overlay.obj(), g_overlay_surface_id_method);
 
  jobject overlay_surface =
      env->CallObjectMethod(overlay.obj(), g_overlay_surface_surface_method);
 
  auto overlay_window = fml::MakeRefCounted<AndroidNativeWindow>(
      ANativeWindow_fromSurface(env, overlay_surface));
 
  return std::make_unique<PlatformViewAndroidJNI::OverlayMetadata>(
      overlay_id, std::move(overlay_window));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_overlay_surface_id_method, flutter::g_overlay_surface_surface_method, fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ FlutterViewDestroyOverlaySurfaces()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewDestroyOverlaySurfaces ( )

overridevirtual

Destroys the overlay surfaces.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1877 of file platform_view_android_jni_impl.cc.

                                                                   {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_destroy_overlay_surfaces_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewDisplayOverlaySurface()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewDisplayOverlaySurface	(	int	surface_id,
		int	x,
		int	y,
		int	width,
		int	height
	)

overridevirtual

Positions and sizes an overlay surface in hybrid composition.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1800 of file platform_view_android_jni_impl.cc.

                {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_display_overlay_surface_method,
                      surface_id, x, y, width, height);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), height, width, x, and y.

◆ FlutterViewEndFrame()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewEndFrame ( )

overridevirtual

Indicates that the current frame ended. It's used to clean up state.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1832 of file platform_view_android_jni_impl.cc.

                                                     {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_end_frame_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewGetScaledFontSize()

double flutter::PlatformViewAndroidJNIImpl::FlutterViewGetScaledFontSize	(	double	unscaled_font_size,
		int	configuration_id
	)		const

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1413 of file platform_view_android_jni_impl.cc.

                                {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return -3;
  }
 
  const jfloat scaledSize = env->CallFloatMethod(
      java_object.obj(), g_get_scaled_font_size_method,
      static_cast<jfloat>(font_size), static_cast<jint>(configuration_id));
  FML_CHECK(fml::jni::CheckException(env));
  return static_cast<double>(scaledSize);
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, font_size, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewHandlePlatformMessage()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewHandlePlatformMessage	(	std::unique_ptr< flutter::PlatformMessage >	message,
		int	responseId
	)

overridevirtual

Sends a platform message. The message may be empty.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1332 of file platform_view_android_jni_impl.cc.

                    {
  // Called from any thread.
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jstring> java_channel =
      fml::jni::StringToJavaString(env, message->channel());
 
  if (message->hasData()) {
    fml::jni::ScopedJavaLocalRef<jobject> message_array(
        env, env->NewDirectByteBuffer(
                 const_cast<uint8_t*>(message->data().GetMapping()),
                 message->data().GetSize()));
    // Message data is deleted in CleanupMessageData.
    fml::MallocMapping mapping = message->releaseData();
    env->CallVoidMethod(java_object.obj(), g_handle_platform_message_method,
                        java_channel.obj(), message_array.obj(), responseId,
                        reinterpret_cast<jlong>(mapping.Release()));
  } else {
    env->CallVoidMethod(java_object.obj(), g_handle_platform_message_method,
                        java_channel.obj(), nullptr, responseId, nullptr);
  }
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), message, fml::jni::JavaRef< T >::obj(), fml::MallocMapping::Release(), and fml::jni::StringToJavaString().

◆ FlutterViewHandlePlatformMessageResponse()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewHandlePlatformMessageResponse	(	int	responseId,
		std::unique_ptr< fml::Mapping >	data
	)

overridevirtual

Responds to a platform message. The data may be a nullptr.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1382 of file platform_view_android_jni_impl.cc.

                                    {
  // We are on the platform thread. Attempt to get the strong reference to
  // the Java object.
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    // The Java object was collected before this message response got to
    // it. Drop the response on the floor.
    return;
  }
  if (data == nullptr) {  // Empty response.
    env->CallVoidMethod(java_object.obj(),
                        g_handle_platform_message_response_method, responseId,
                        nullptr);
  } else {
    // Convert the vector to a Java byte array.
    fml::jni::ScopedJavaLocalRef<jobject> data_array(
        env, env->NewDirectByteBuffer(const_cast<uint8_t*>(data->GetMapping()),
                                      data->GetSize()));
 
    env->CallVoidMethod(java_object.obj(),
                        g_handle_platform_message_response_method, responseId,
                        data_array.obj());
  }
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), flutter::data, FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ FlutterViewOnDisplayPlatformView()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewOnDisplayPlatformView	(	int	view_id,
		int	x,
		int	y,
		int	width,
		int	height,
		int	viewWidth,
		int	viewHeight,
		MutatorsStack	mutators_stack
	)

overridevirtual

Positions and sizes a platform view if using hybrid composition.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1691 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  jobject mutatorsStack = env->NewObject(g_mutators_stack_class->obj(),
                                         g_mutators_stack_init_method);
 
  std::vector<std::shared_ptr<Mutator>>::const_iterator iter =
      mutators_stack.Begin();
  while (iter != mutators_stack.End()) {
    switch ((*iter)->GetType()) {
      case MutatorType::kTransform: {
        const DlMatrix& matrix = (*iter)->GetMatrix();
        DlScalar matrix_array[9]{
            matrix.m[0], matrix.m[4], matrix.m[12],  //
            matrix.m[1], matrix.m[5], matrix.m[13],  //
            matrix.m[3], matrix.m[7], matrix.m[15],
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> transformMatrix(
            env, env->NewFloatArray(9));
 
        env->SetFloatArrayRegion(transformMatrix.obj(), 0, 9, matrix_array);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_transform_method,
                            transformMatrix.obj());
        break;
      }
      case MutatorType::kClipRect: {
        const DlRect& rect = (*iter)->GetRect();
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprect_method,
                            static_cast<int>(rect.GetLeft()),   //
                            static_cast<int>(rect.GetTop()),    //
                            static_cast<int>(rect.GetRight()),  //
                            static_cast<int>(rect.GetBottom()));
        break;
      }
      case MutatorType::kClipRRect: {
        const DlRoundRect& rrect = (*iter)->GetRRect();
        const DlRect& rect = rrect.GetBounds();
        const DlRoundingRadii radii = rrect.GetRadii();
        SkScalar radiis[8] = {
            radii.top_left.width,     radii.top_left.height,
            radii.top_right.width,    radii.top_right.height,
            radii.bottom_right.width, radii.bottom_right.height,
            radii.bottom_left.width,  radii.bottom_left.height,
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> radiisArray(
            env, env->NewFloatArray(8));
        env->SetFloatArrayRegion(radiisArray.obj(), 0, 8, radiis);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprrect_method,
                            static_cast<int>(rect.GetLeft()),    //
                            static_cast<int>(rect.GetTop()),     //
                            static_cast<int>(rect.GetRight()),   //
                            static_cast<int>(rect.GetBottom()),  //
                            radiisArray.obj());
        break;
      }
      case MutatorType::kClipRSE: {
        const DlRoundRect& rrect = (*iter)->GetRSEApproximation();
        const DlRect& rect = rrect.GetBounds();
        const DlRoundingRadii radii = rrect.GetRadii();
        SkScalar radiis[8] = {
            radii.top_left.width,     radii.top_left.height,
            radii.top_right.width,    radii.top_right.height,
            radii.bottom_right.width, radii.bottom_right.height,
            radii.bottom_left.width,  radii.bottom_left.height,
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> radiisArray(
            env, env->NewFloatArray(8));
        env->SetFloatArrayRegion(radiisArray.obj(), 0, 8, radiis);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprrect_method,
                            static_cast<int>(rect.GetLeft()),    //
                            static_cast<int>(rect.GetTop()),     //
                            static_cast<int>(rect.GetRight()),   //
                            static_cast<int>(rect.GetBottom()),  //
                            radiisArray.obj());
        break;
      }
      // TODO(cyanglaz): Implement other mutators.
      // https://github.com/flutter/flutter/issues/58426
      case MutatorType::kClipPath:
      case MutatorType::kOpacity:
      case MutatorType::kBackdropFilter:
        break;
    }
    ++iter;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_display_platform_view_method,
                      view_id, x, y, width, height, viewWidth, viewHeight,
                      mutatorsStack);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), flutter::MutatorsStack::Begin(), impeller::RoundingRadii::bottom_left, impeller::RoundingRadii::bottom_right, fml::jni::CheckException(), flutter::MutatorsStack::End(), FML_CHECK, flutter::g_mutators_stack_class, flutter::g_mutators_stack_init_method, flutter::g_mutators_stack_push_cliprect_method, flutter::g_mutators_stack_push_cliprrect_method, flutter::g_mutators_stack_push_transform_method, fml::jni::JavaObjectWeakGlobalRef::get(), impeller::TRect< T >::GetBottom(), impeller::RoundRect::GetBounds(), impeller::TRect< T >::GetLeft(), impeller::RoundRect::GetRadii(), impeller::TRect< T >::GetRight(), impeller::TRect< T >::GetTop(), impeller::TSize< T >::height, height, flutter::kBackdropFilter, flutter::kClipPath, flutter::kClipRect, flutter::kClipRRect, flutter::kClipRSE, flutter::kOpacity, flutter::kTransform, impeller::Matrix::m, fml::jni::JavaRef< T >::obj(), impeller::RoundingRadii::top_left, impeller::RoundingRadii::top_right, view_id, impeller::TSize< T >::width, width, x, and y.

◆ FlutterViewOnFirstFrame()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewOnFirstFrame ( )

overridevirtual

Indicates that FlutterView should start painting pixels.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1479 of file platform_view_android_jni_impl.cc.

                                                         {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_first_frame_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewOnPreEngineRestart()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewOnPreEngineRestart ( )

overridevirtual

Indicates that a hot restart is about to happen.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1492 of file platform_view_android_jni_impl.cc.

                                                               {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_engine_restart_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ FlutterViewSetApplicationLocale()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewSetApplicationLocale ( std::string locale )

overridevirtual

Set application locale to a given language.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1364 of file platform_view_android_jni_impl.cc.

                      {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jstring> jlocale =
      fml::jni::StringToJavaString(env, locale);
 
  env->CallVoidMethod(java_object.obj(), g_set_application_locale_method,
                      jlocale.obj());
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), fml::jni::JavaRef< T >::obj(), and fml::jni::StringToJavaString().

◆ FlutterViewUpdateCustomAccessibilityActions()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewUpdateCustomAccessibilityActions	(	std::vector< uint8_t >	actions_buffer,
		std::vector< std::string >	strings
	)

overridevirtual

Sends new custom accessibility events.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1455 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> direct_actions_buffer(
      env,
      env->NewDirectByteBuffer(actions_buffer.data(), actions_buffer.size()));
 
  fml::jni::ScopedJavaLocalRef<jobjectArray> jstrings =
      fml::jni::VectorToStringArray(env, strings);
 
  env->CallVoidMethod(java_object.obj(),
                      g_update_custom_accessibility_actions_method,
                      direct_actions_buffer.obj(), jstrings.obj());
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), fml::jni::JavaRef< T >::obj(), and fml::jni::VectorToStringArray().

◆ FlutterViewUpdateSemantics()

void flutter::PlatformViewAndroidJNIImpl::FlutterViewUpdateSemantics	(	std::vector< uint8_t >	buffer,
		std::vector< std::string >	strings,
		std::vector< std::vector< uint8_t > >	string_attribute_args
	)

overridevirtual

Sends semantics tree updates.

Note: Must be called from the platform thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1430 of file platform_view_android_jni_impl.cc.

                                                         {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> direct_buffer(
      env, env->NewDirectByteBuffer(buffer.data(), buffer.size()));
  fml::jni::ScopedJavaLocalRef<jobjectArray> jstrings =
      fml::jni::VectorToStringArray(env, strings);
  fml::jni::ScopedJavaLocalRef<jobjectArray> jstring_attribute_args =
      fml::jni::VectorToBufferArray(env, string_attribute_args);
 
  env->CallVoidMethod(java_object.obj(), g_update_semantics_method,
                      direct_buffer.obj(), jstrings.obj(),
                      jstring_attribute_args.obj());
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), flutter::buffer, fml::jni::CheckException(), FML_CHECK, fml::jni::JavaObjectWeakGlobalRef::get(), fml::jni::JavaRef< T >::obj(), fml::jni::VectorToBufferArray(), and fml::jni::VectorToStringArray().

◆ GetDisplayDensity()

double flutter::PlatformViewAndroidJNIImpl::GetDisplayDensity ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1972 of file platform_view_android_jni_impl.cc.

                                                     {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return -1;
  }
 
  fml::jni::ScopedJavaLocalRef<jclass> clazz(
      env, env->GetObjectClass(java_object.obj()));
  if (clazz.is_null()) {
    return -1;
  }
 
  jfieldID fid = env->GetStaticFieldID(clazz.obj(), "displayDensity", "F");
  return static_cast<double>(env->GetStaticFloatField(clazz.obj(), fid));
}

References fml::jni::AttachCurrentThread(), fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ GetDisplayHeight()

double flutter::PlatformViewAndroidJNIImpl::GetDisplayHeight ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1954 of file platform_view_android_jni_impl.cc.

                                                    {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return -1;
  }
 
  fml::jni::ScopedJavaLocalRef<jclass> clazz(
      env, env->GetObjectClass(java_object.obj()));
  if (clazz.is_null()) {
    return -1;
  }
 
  jfieldID fid = env->GetStaticFieldID(clazz.obj(), "displayHeight", "F");
  return static_cast<double>(env->GetStaticFloatField(clazz.obj(), fid));
}

References fml::jni::AttachCurrentThread(), fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ GetDisplayRefreshRate()

double flutter::PlatformViewAndroidJNIImpl::GetDisplayRefreshRate ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1918 of file platform_view_android_jni_impl.cc.

                                                         {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return kUnknownDisplayRefreshRate;
  }
 
  fml::jni::ScopedJavaLocalRef<jclass> clazz(
      env, env->GetObjectClass(java_object.obj()));
  if (clazz.is_null()) {
    return kUnknownDisplayRefreshRate;
  }
 
  jfieldID fid = env->GetStaticFieldID(clazz.obj(), "refreshRateFPS", "F");
  return static_cast<double>(env->GetStaticFloatField(clazz.obj(), fid));
}

References fml::jni::AttachCurrentThread(), fml::jni::JavaObjectWeakGlobalRef::get(), flutter::kUnknownDisplayRefreshRate, and fml::jni::JavaRef< T >::obj().

◆ GetDisplayWidth()

double flutter::PlatformViewAndroidJNIImpl::GetDisplayWidth ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1936 of file platform_view_android_jni_impl.cc.

                                                   {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return -1;
  }
 
  fml::jni::ScopedJavaLocalRef<jclass> clazz(
      env, env->GetObjectClass(java_object.obj()));
  if (clazz.is_null()) {
    return -1;
  }
 
  jfieldID fid = env->GetStaticFieldID(clazz.obj(), "displayWidth", "F");
  return static_cast<double>(env->GetStaticFloatField(clazz.obj(), fid));
}

References fml::jni::AttachCurrentThread(), fml::jni::JavaObjectWeakGlobalRef::get(), and fml::jni::JavaRef< T >::obj().

◆ HardwareBufferClose()

void flutter::PlatformViewAndroidJNIImpl::HardwareBufferClose ( JavaLocalRef hardware_buffer )

overridevirtual

Call close on hardware_buffer.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1680 of file platform_view_android_jni_impl.cc.

                                  {
  FML_CHECK(g_hardware_buffer_close_method != nullptr);
  JNIEnv* env = fml::jni::AttachCurrentThread();
  if (hardware_buffer.is_null()) {
    return;
  }
  env->CallVoidMethod(hardware_buffer.obj(), g_hardware_buffer_close_method);
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and flutter::g_hardware_buffer_close_method.

◆ hideOverlaySurface2()

void flutter::PlatformViewAndroidJNIImpl::hideOverlaySurface2 ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2344 of file platform_view_android_jni_impl.cc.

                                                     {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_hide_overlay_surface2_method);
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ hidePlatformView2()

void flutter::PlatformViewAndroidJNIImpl::hidePlatformView2 ( int32_t view_id )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2309 of file platform_view_android_jni_impl.cc.

                                                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_hide_platform_view2_method, view_id);
}

References fml::jni::AttachCurrentThread(), fml::jni::JavaObjectWeakGlobalRef::get(), and view_id.

◆ ImageClose()

void flutter::PlatformViewAndroidJNIImpl::ImageClose ( JavaLocalRef image )

overridevirtual

Call close on image.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1671 of file platform_view_android_jni_impl.cc.

                                                              {
  JNIEnv* env = fml::jni::AttachCurrentThread();
  if (image.is_null()) {
    return;
  }
  env->CallVoidMethod(image.obj(), g_image_close_method);
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_image_close_method, and image.

◆ ImageGetHardwareBuffer()

JavaLocalRef flutter::PlatformViewAndroidJNIImpl::ImageGetHardwareBuffer ( JavaLocalRef image )

overridevirtual

Grab the HardwareBuffer from image.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1656 of file platform_view_android_jni_impl.cc.

                        {
  FML_CHECK(g_image_get_hardware_buffer_method != nullptr);
  JNIEnv* env = fml::jni::AttachCurrentThread();
  if (image.is_null()) {
    // Return null.
    return JavaLocalRef();
  }
  JavaLocalRef r = JavaLocalRef(
      env,
      env->CallObjectMethod(image.obj(), g_image_get_hardware_buffer_method));
  FML_CHECK(fml::jni::CheckException(env));
  return r;
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_image_get_hardware_buffer_method, and image.

◆ ImageProducerTextureEntryAcquireLatestImage()

JavaLocalRef flutter::PlatformViewAndroidJNIImpl::ImageProducerTextureEntryAcquireLatestImage ( JavaLocalRef image_texture_entry )

overridevirtual

Acquire the latest image available.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1626 of file platform_view_android_jni_impl.cc.

                                               {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (image_producer_texture_entry.is_null()) {
    // Return null.
    return JavaLocalRef();
  }
 
  // Convert the weak reference to ImageTextureEntry into a strong local
  // reference.
  fml::jni::ScopedJavaLocalRef<jobject> image_producer_texture_entry_local_ref(
      env, env->CallObjectMethod(image_producer_texture_entry.obj(),
                                 g_java_weak_reference_get_method));
 
  if (image_producer_texture_entry_local_ref.is_null()) {
    // Return null.
    return JavaLocalRef();
  }
 
  JavaLocalRef r = JavaLocalRef(
      env, env->CallObjectMethod(image_producer_texture_entry_local_ref.obj(),
                                 g_acquire_latest_image_method));
  if (fml::jni::CheckException(env)) {
    return r;
  }
  // Return null.
  return JavaLocalRef();
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), flutter::g_acquire_latest_image_method, flutter::g_java_weak_reference_get_method, and fml::jni::JavaRef< T >::obj().

◆ onDisplayPlatformView2()

void flutter::PlatformViewAndroidJNIImpl::onDisplayPlatformView2	(	int32_t	view_id,
		int32_t	x,
		int32_t	y,
		int32_t	width,
		int32_t	height,
		int32_t	viewWidth,
		int32_t	viewHeight,
		MutatorsStack	mutators_stack
	)

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2172 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  jobject mutatorsStack = env->NewObject(g_mutators_stack_class->obj(),
                                         g_mutators_stack_init_method);
 
  std::vector<std::shared_ptr<Mutator>>::const_iterator iter =
      mutators_stack.Begin();
  while (iter != mutators_stack.End()) {
    switch ((*iter)->GetType()) {
      case MutatorType::kTransform: {
        const DlMatrix& matrix = (*iter)->GetMatrix();
        DlScalar matrix_array[9]{
            matrix.m[0], matrix.m[4], matrix.m[12],  //
            matrix.m[1], matrix.m[5], matrix.m[13],  //
            matrix.m[3], matrix.m[7], matrix.m[15],
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> transformMatrix(
            env, env->NewFloatArray(9));
 
        env->SetFloatArrayRegion(transformMatrix.obj(), 0, 9, matrix_array);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_transform_method,
                            transformMatrix.obj());
        break;
      }
      case MutatorType::kClipRect: {
        const DlRect& rect = (*iter)->GetRect();
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprect_method,
                            static_cast<int>(rect.GetLeft()),   //
                            static_cast<int>(rect.GetTop()),    //
                            static_cast<int>(rect.GetRight()),  //
                            static_cast<int>(rect.GetBottom()));
        break;
      }
      case MutatorType::kClipRRect: {
        const DlRoundRect& rrect = (*iter)->GetRRect();
        const DlRect& rect = rrect.GetBounds();
        const DlRoundingRadii& radii = rrect.GetRadii();
        SkScalar radiis[8] = {
            radii.top_left.width,     radii.top_left.height,
            radii.top_right.width,    radii.top_right.height,
            radii.bottom_right.width, radii.bottom_right.height,
            radii.bottom_left.width,  radii.bottom_left.height,
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> radiisArray(
            env, env->NewFloatArray(8));
        env->SetFloatArrayRegion(radiisArray.obj(), 0, 8, radiis);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprrect_method,
                            static_cast<int>(rect.GetLeft()),    //
                            static_cast<int>(rect.GetTop()),     //
                            static_cast<int>(rect.GetRight()),   //
                            static_cast<int>(rect.GetBottom()),  //
                            radiisArray.obj());
        break;
      }
      case MutatorType::kClipRSE: {
        const DlRoundRect& rrect = (*iter)->GetRSEApproximation();
        const DlRect& rect = rrect.GetBounds();
        const DlRoundingRadii& radii = rrect.GetRadii();
        SkScalar radiis[8] = {
            radii.top_left.width,     radii.top_left.height,
            radii.top_right.width,    radii.top_right.height,
            radii.bottom_right.width, radii.bottom_right.height,
            radii.bottom_left.width,  radii.bottom_left.height,
        };
        fml::jni::ScopedJavaLocalRef<jfloatArray> radiisArray(
            env, env->NewFloatArray(8));
        env->SetFloatArrayRegion(radiisArray.obj(), 0, 8, radiis);
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_cliprrect_method,
                            static_cast<int>(rect.GetLeft()),    //
                            static_cast<int>(rect.GetTop()),     //
                            static_cast<int>(rect.GetRight()),   //
                            static_cast<int>(rect.GetBottom()),  //
                            radiisArray.obj());
        break;
      }
      case MutatorType::kOpacity: {
        float opacity = (*iter)->GetAlphaFloat();
        env->CallVoidMethod(mutatorsStack, g_mutators_stack_push_opacity_method,
                            opacity);
        break;
      }
      case MutatorType::kClipPath: {
        auto& dlPath = (*iter)->GetPath();
        // The layer mutator mechanism should have already caught and
        // redirected these simplified path cases, which is important because
        // the conics they generate (in the case of oval and rrect) will
        // not match the results of an impeller path conversion very closely.
        FML_DCHECK(!dlPath.IsRect());
        FML_DCHECK(!dlPath.IsOval());
        FML_DCHECK(!dlPath.IsRoundRect());
 
        // Define and populate an Android Path with data from the DlPath
        AndroidPathReceiver receiver(env);
        receiver.SetFillType(dlPath.GetFillType());
 
        // TODO(flar): https://github.com/flutter/flutter/issues/164808
        // Need to convert the fill type to the Android enum and
        // call setFillType on the path...
        dlPath.Dispatch(receiver);
 
        env->CallVoidMethod(mutatorsStack,
                            g_mutators_stack_push_clippath_method,
                            receiver.TakePath());
        break;
      }
      // TODO(cyanglaz): Implement other mutators.
      // https://github.com/flutter/flutter/issues/58426
      case MutatorType::kBackdropFilter:
        break;
    }
    ++iter;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_display_platform_view2_method,
                      view_id, x, y, width, height, viewWidth, viewHeight,
                      mutatorsStack);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), flutter::MutatorsStack::Begin(), impeller::RoundingRadii::bottom_left, impeller::RoundingRadii::bottom_right, fml::jni::CheckException(), flutter::MutatorsStack::End(), FML_CHECK, FML_DCHECK, flutter::g_mutators_stack_class, flutter::g_mutators_stack_init_method, flutter::g_mutators_stack_push_clippath_method, flutter::g_mutators_stack_push_cliprect_method, flutter::g_mutators_stack_push_cliprrect_method, flutter::g_mutators_stack_push_opacity_method, flutter::g_mutators_stack_push_transform_method, fml::jni::JavaObjectWeakGlobalRef::get(), impeller::TRect< T >::GetBottom(), impeller::RoundRect::GetBounds(), impeller::TRect< T >::GetLeft(), impeller::RoundRect::GetRadii(), impeller::TRect< T >::GetRight(), impeller::TRect< T >::GetTop(), impeller::TSize< T >::height, height, flutter::kBackdropFilter, flutter::kClipPath, flutter::kClipRect, flutter::kClipRRect, flutter::kClipRSE, flutter::kOpacity, flutter::kTransform, impeller::Matrix::m, fml::jni::JavaRef< T >::obj(), impeller::RoundingRadii::top_left, impeller::RoundingRadii::top_right, view_id, impeller::TSize< T >::width, width, x, and y.

◆ onEndFrame2()

void flutter::PlatformViewAndroidJNIImpl::onEndFrame2 ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2319 of file platform_view_android_jni_impl.cc.

                                             {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_on_end_frame2_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ RequestDartDeferredLibrary()

bool flutter::PlatformViewAndroidJNIImpl::RequestDartDeferredLibrary ( int loading_unit_id )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1990 of file platform_view_android_jni_impl.cc.

                         {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return true;
  }
 
  env->CallVoidMethod(java_object.obj(), g_request_dart_deferred_library_method,
                      loading_unit_id);
 
  FML_CHECK(fml::jni::CheckException(env));
  return true;
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_request_dart_deferred_library_method, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ showOverlaySurface2()

void flutter::PlatformViewAndroidJNIImpl::showOverlaySurface2 ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2332 of file platform_view_android_jni_impl.cc.

                                                     {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_show_overlay_surface2_method);
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

◆ SurfaceTextureAttachToGLContext()

void flutter::PlatformViewAndroidJNIImpl::SurfaceTextureAttachToGLContext	(	JavaLocalRef	surface_texture,
		int	textureId
	)

overridevirtual

Attach the SurfaceTexture to the OpenGL ES context that is current on the calling thread.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1505 of file platform_view_android_jni_impl.cc.

                   {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (surface_texture.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> surface_texture_local_ref(
      env, env->CallObjectMethod(surface_texture.obj(),
                                 g_java_weak_reference_get_method));
 
  if (surface_texture_local_ref.is_null()) {
    return;
  }
 
  env->CallVoidMethod(surface_texture_local_ref.obj(),
                      g_attach_to_gl_context_method, textureId);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_attach_to_gl_context_method, flutter::g_java_weak_reference_get_method, and fml::jni::JavaRef< T >::obj().

◆ SurfaceTextureDetachFromGLContext()

void flutter::PlatformViewAndroidJNIImpl::SurfaceTextureDetachFromGLContext ( JavaLocalRef surface_texture )

overridevirtual

Detaches a SurfaceTexture from the OpenGL ES context.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1604 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (surface_texture.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> surface_texture_local_ref(
      env, env->CallObjectMethod(surface_texture.obj(),
                                 g_java_weak_reference_get_method));
  if (surface_texture_local_ref.is_null()) {
    return;
  }
 
  env->CallVoidMethod(surface_texture_local_ref.obj(),
                      g_detach_from_gl_context_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_detach_from_gl_context_method, flutter::g_java_weak_reference_get_method, and fml::jni::JavaRef< T >::obj().

◆ SurfaceTextureGetTransformMatrix()

SkM44 flutter::PlatformViewAndroidJNIImpl::SurfaceTextureGetTransformMatrix ( JavaLocalRef surface_texture )

overridevirtual

Gets the transform matrix from the SurfaceTexture. Then, it updates the transform matrix, so it fill the canvas and preserve the aspect ratio.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1572 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (surface_texture.is_null()) {
    return {};
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> surface_texture_local_ref(
      env, env->CallObjectMethod(surface_texture.obj(),
                                 g_java_weak_reference_get_method));
  if (surface_texture_local_ref.is_null()) {
    return {};
  }
 
  fml::jni::ScopedJavaLocalRef<jfloatArray> transformMatrix(
      env, env->NewFloatArray(16));
 
  env->CallVoidMethod(surface_texture_local_ref.obj(),
                      g_get_transform_matrix_method, transformMatrix.obj());
  FML_CHECK(fml::jni::CheckException(env));
 
  float* m = env->GetFloatArrayElements(transformMatrix.obj(), nullptr);
 
  static_assert(sizeof(SkScalar) == sizeof(float));
  const auto transform = SkM44::ColMajor(m);
 
  env->ReleaseFloatArrayElements(transformMatrix.obj(), m, JNI_ABORT);
 
  return transform;
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_get_transform_matrix_method, flutter::g_java_weak_reference_get_method, fml::jni::JavaRef< T >::obj(), and transform.

◆ SurfaceTextureShouldUpdate()

bool flutter::PlatformViewAndroidJNIImpl::SurfaceTextureShouldUpdate ( JavaLocalRef surface_texture )

overridevirtual

Returns true if surface_texture should be updated.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1528 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (surface_texture.is_null()) {
    return false;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> surface_texture_local_ref(
      env, env->CallObjectMethod(surface_texture.obj(),
                                 g_java_weak_reference_get_method));
  if (surface_texture_local_ref.is_null()) {
    return false;
  }
 
  jboolean shouldUpdate = env->CallBooleanMethod(
      surface_texture_local_ref.obj(), g_surface_texture_wrapper_should_update);
 
  FML_CHECK(fml::jni::CheckException(env));
 
  return shouldUpdate;
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_java_weak_reference_get_method, flutter::g_surface_texture_wrapper_should_update, and fml::jni::JavaRef< T >::obj().

◆ SurfaceTextureUpdateTexImage()

void flutter::PlatformViewAndroidJNIImpl::SurfaceTextureUpdateTexImage ( JavaLocalRef surface_texture )

overridevirtual

Updates the texture image to the most recent frame from the image stream.

Implements flutter::PlatformViewAndroidJNI.

Definition at line 1551 of file platform_view_android_jni_impl.cc.

                                  {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  if (surface_texture.is_null()) {
    return;
  }
 
  fml::jni::ScopedJavaLocalRef<jobject> surface_texture_local_ref(
      env, env->CallObjectMethod(surface_texture.obj(),
                                 g_java_weak_reference_get_method));
  if (surface_texture_local_ref.is_null()) {
    return;
  }
 
  env->CallVoidMethod(surface_texture_local_ref.obj(),
                      g_update_tex_image_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, flutter::g_java_weak_reference_get_method, flutter::g_update_tex_image_method, and fml::jni::JavaRef< T >::obj().

◆ swapTransaction()

void flutter::PlatformViewAndroidJNIImpl::swapTransaction ( )

overridevirtual

Implements flutter::PlatformViewAndroidJNI.

Definition at line 2028 of file platform_view_android_jni_impl.cc.

                                                 {
  JNIEnv* env = fml::jni::AttachCurrentThread();
 
  auto java_object = java_object_.get(env);
  if (java_object.is_null()) {
    return;
  }
 
  env->CallVoidMethod(java_object.obj(), g_swap_transaction_method);
 
  FML_CHECK(fml::jni::CheckException(env));
}

References fml::jni::AttachCurrentThread(), fml::jni::CheckException(), FML_CHECK, and fml::jni::JavaObjectWeakGlobalRef::get().

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

shell/platform/android/platform_view_android_jni_impl.h
shell/platform/android/platform_view_android_jni_impl.cc

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

◆ PlatformViewAndroidJNIImpl()

◆ ~PlatformViewAndroidJNIImpl()

Member Function Documentation

◆ applyTransaction()

◆ createOverlaySurface2()

◆ createTransaction()

◆ destroyOverlaySurface2()

◆ FlutterViewBeginFrame()

◆ FlutterViewComputePlatformResolvedLocale()

◆ FlutterViewCreateOverlaySurface()

◆ FlutterViewDestroyOverlaySurfaces()

◆ FlutterViewDisplayOverlaySurface()

◆ FlutterViewEndFrame()

◆ FlutterViewGetScaledFontSize()

◆ FlutterViewHandlePlatformMessage()

◆ FlutterViewHandlePlatformMessageResponse()

◆ FlutterViewOnDisplayPlatformView()

◆ FlutterViewOnFirstFrame()

◆ FlutterViewOnPreEngineRestart()

◆ FlutterViewSetApplicationLocale()

◆ FlutterViewUpdateCustomAccessibilityActions()

◆ FlutterViewUpdateSemantics()

◆ GetDisplayDensity()

◆ GetDisplayHeight()

◆ GetDisplayRefreshRate()

◆ GetDisplayWidth()

◆ HardwareBufferClose()

◆ hideOverlaySurface2()

◆ hidePlatformView2()

◆ ImageClose()

◆ ImageGetHardwareBuffer()

◆ ImageProducerTextureEntryAcquireLatestImage()

◆ onDisplayPlatformView2()

◆ onEndFrame2()

◆ RequestDartDeferredLibrary()

◆ showOverlaySurface2()

◆ SurfaceTextureAttachToGLContext()

◆ SurfaceTextureDetachFromGLContext()

◆ SurfaceTextureGetTransformMatrix()

◆ SurfaceTextureShouldUpdate()

◆ SurfaceTextureUpdateTexImage()

◆ swapTransaction()