// Copyright 2013 The Flutter Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "flutter/lib/ui/dart_ui.h" #include #include #include "flutter/common/constants.h" #include "flutter/common/settings.h" #include "flutter/fml/build_config.h" #include "flutter/lib/ui/compositing/scene.h" #include "flutter/lib/ui/compositing/scene_builder.h" #include "flutter/lib/ui/dart_runtime_hooks.h" #include "flutter/lib/ui/isolate_name_server/isolate_name_server_natives.h" #include "flutter/lib/ui/painting/canvas.h" #include "flutter/lib/ui/painting/codec.h" #include "flutter/lib/ui/painting/color_filter.h" #include "flutter/lib/ui/painting/engine_layer.h" #include "flutter/lib/ui/painting/fragment_program.h" #include "flutter/lib/ui/painting/fragment_shader.h" #include "flutter/lib/ui/painting/gradient.h" #include "flutter/lib/ui/painting/image.h" #include "flutter/lib/ui/painting/image_descriptor.h" #include "flutter/lib/ui/painting/image_filter.h" #include "flutter/lib/ui/painting/image_shader.h" #include "flutter/lib/ui/painting/immutable_buffer.h" #include "flutter/lib/ui/painting/path.h" #include "flutter/lib/ui/painting/path_measure.h" #include "flutter/lib/ui/painting/picture.h" #include "flutter/lib/ui/painting/picture_recorder.h" #include "flutter/lib/ui/painting/vertices.h" #include "flutter/lib/ui/semantics/semantics_update.h" #include "flutter/lib/ui/semantics/semantics_update_builder.h" #include "flutter/lib/ui/semantics/string_attribute.h" #include "flutter/lib/ui/text/font_collection.h" #include "flutter/lib/ui/text/paragraph.h" #include "flutter/lib/ui/text/paragraph_builder.h" #include "flutter/lib/ui/window/platform_configuration.h" #include "flutter/lib/ui/window/platform_isolate.h" #include "third_party/tonic/converter/dart_converter.h" #include "third_party/tonic/dart_args.h" #include "third_party/tonic/logging/dart_error.h" using tonic::ToDart; namespace flutter { typedef CanvasImage Image; typedef CanvasPathMeasure PathMeasure; typedef CanvasGradient Gradient; typedef CanvasPath Path; // List of native static functions used as @Native functions. // Items are tuples of ('function_name', 'parameter_count'), where: // 'function_name' is the fully qualified name of the native function. // 'parameter_count' is the number of parameters the function has. // // These are used to: // - Instantiate FfiDispatcher templates to automatically create FFI Native // bindings. // If the name does not match a native function, the template will fail to // instatiate, resulting in a compile time error. // - Resolve the native function pointer associated with an @Native function. // If there is a mismatch between name or parameter count an @Native is // trying to resolve, an exception will be thrown. #define FFI_FUNCTION_LIST(V) \ /* Constructors */ \ V(Canvas::Create) \ V(ColorFilter::Create) \ V(FragmentProgram::Create) \ V(ReusableFragmentShader::Create) \ V(Gradient::Create) \ V(ImageFilter::Create) \ V(ImageShader::Create) \ V(ParagraphBuilder::Create) \ V(PathMeasure::Create) \ V(Path::Create) \ V(PictureRecorder::Create) \ V(SceneBuilder::Create) \ V(SemanticsUpdateBuilder::Create) \ /* Other */ \ V(FontCollection::LoadFontFromList) \ V(ImageDescriptor::initEncoded) \ V(ImmutableBuffer::init) \ V(ImmutableBuffer::initFromAsset) \ V(ImmutableBuffer::initFromFile) \ V(ImageDescriptor::initRaw) \ V(IsolateNameServerNatives::LookupPortByName) \ V(IsolateNameServerNatives::RegisterPortWithName) \ V(IsolateNameServerNatives::RemovePortNameMapping) \ V(NativeStringAttribute::initLocaleStringAttribute) \ V(NativeStringAttribute::initSpellOutStringAttribute) \ V(PlatformConfigurationNativeApi::DefaultRouteName) \ V(PlatformConfigurationNativeApi::ScheduleFrame) \ V(PlatformConfigurationNativeApi::EndWarmUpFrame) \ V(PlatformConfigurationNativeApi::Render) \ V(PlatformConfigurationNativeApi::UpdateSemantics) \ V(PlatformConfigurationNativeApi::SetNeedsReportTimings) \ V(PlatformConfigurationNativeApi::SetIsolateDebugName) \ V(PlatformConfigurationNativeApi::RequestDartPerformanceMode) \ V(PlatformConfigurationNativeApi::GetPersistentIsolateData) \ V(PlatformConfigurationNativeApi::ComputePlatformResolvedLocale) \ V(PlatformConfigurationNativeApi::SendPlatformMessage) \ V(PlatformConfigurationNativeApi::RespondToPlatformMessage) \ V(PlatformConfigurationNativeApi::GetRootIsolateToken) \ V(PlatformConfigurationNativeApi::RegisterBackgroundIsolate) \ V(PlatformConfigurationNativeApi::SendPortPlatformMessage) \ V(PlatformConfigurationNativeApi::SendChannelUpdate) \ V(PlatformConfigurationNativeApi::GetScaledFontSize) \ V(PlatformIsolateNativeApi::IsRunningOnPlatformThread) \ V(PlatformIsolateNativeApi::Spawn) \ V(DartRuntimeHooks::Logger_PrintDebugString) \ V(DartRuntimeHooks::Logger_PrintString) \ V(DartRuntimeHooks::ScheduleMicrotask) \ V(DartRuntimeHooks::GetCallbackHandle) \ V(DartRuntimeHooks::GetCallbackFromHandle) \ V(DartPluginRegistrant_EnsureInitialized) \ V(Vertices::init) // List of native instance methods used as @Native functions. // Items are tuples of ('class_name', 'method_name', 'parameter_count'), where: // 'class_name' is the name of the class containing the method. // 'method_name' is the name of the method. // 'parameter_count' is the number of parameters the method has including the // implicit `this` parameter. // // These are used to: // - Instantiate FfiDispatcher templates to automatically create FFI Native // bindings. // If the name does not match a native function, the template will fail to // instatiate, resulting in a compile time error. // - Resolve the native function pointer associated with an @Native function. // If there is a mismatch between names or parameter count an @Native is // trying to resolve, an exception will be thrown. #define FFI_METHOD_LIST(V) \ V(Canvas, clipPath) \ V(Canvas, clipRect) \ V(Canvas, clipRRect) \ V(Canvas, drawArc) \ V(Canvas, drawAtlas) \ V(Canvas, drawCircle) \ V(Canvas, drawColor) \ V(Canvas, drawDRRect) \ V(Canvas, drawImage) \ V(Canvas, drawImageNine) \ V(Canvas, drawImageRect) \ V(Canvas, drawLine) \ V(Canvas, drawOval) \ V(Canvas, drawPaint) \ V(Canvas, drawPath) \ V(Canvas, drawPicture) \ V(Canvas, drawPoints) \ V(Canvas, drawRRect) \ V(Canvas, drawRect) \ V(Canvas, drawShadow) \ V(Canvas, drawVertices) \ V(Canvas, getDestinationClipBounds) \ V(Canvas, getLocalClipBounds) \ V(Canvas, getSaveCount) \ V(Canvas, getTransform) \ V(Canvas, restore) \ V(Canvas, restoreToCount) \ V(Canvas, rotate) \ V(Canvas, save) \ V(Canvas, saveLayer) \ V(Canvas, saveLayerWithoutBounds) \ V(Canvas, scale) \ V(Canvas, skew) \ V(Canvas, transform) \ V(Canvas, translate) \ V(Codec, dispose) \ V(Codec, frameCount) \ V(Codec, getNextFrame) \ V(Codec, repetitionCount) \ V(ColorFilter, initLinearToSrgbGamma) \ V(ColorFilter, initMatrix) \ V(ColorFilter, initMode) \ V(ColorFilter, initSrgbToLinearGamma) \ V(EngineLayer, dispose) \ V(FragmentProgram, initFromAsset) \ V(ReusableFragmentShader, Dispose) \ V(ReusableFragmentShader, SetImageSampler) \ V(ReusableFragmentShader, ValidateSamplers) \ V(Gradient, initLinear) \ V(Gradient, initRadial) \ V(Gradient, initSweep) \ V(Gradient, initTwoPointConical) \ V(Image, dispose) \ V(Image, width) \ V(Image, height) \ V(Image, toByteData) \ V(Image, colorSpace) \ V(ImageDescriptor, bytesPerPixel) \ V(ImageDescriptor, dispose) \ V(ImageDescriptor, height) \ V(ImageDescriptor, instantiateCodec) \ V(ImageDescriptor, width) \ V(ImageFilter, initBlur) \ V(ImageFilter, initDilate) \ V(ImageFilter, initErode) \ V(ImageFilter, initColorFilter) \ V(ImageFilter, initComposeFilter) \ V(ImageFilter, initMatrix) \ V(ImageShader, dispose) \ V(ImageShader, initWithImage) \ V(ImmutableBuffer, dispose) \ V(ImmutableBuffer, length) \ V(ParagraphBuilder, addPlaceholder) \ V(ParagraphBuilder, addText) \ V(ParagraphBuilder, build) \ V(ParagraphBuilder, pop) \ V(ParagraphBuilder, pushStyle) \ V(Paragraph, alphabeticBaseline) \ V(Paragraph, computeLineMetrics) \ V(Paragraph, didExceedMaxLines) \ V(Paragraph, dispose) \ V(Paragraph, getClosestGlyphInfo) \ V(Paragraph, getGlyphInfoAt) \ V(Paragraph, getLineBoundary) \ V(Paragraph, getLineMetricsAt) \ V(Paragraph, getLineNumberAt) \ V(Paragraph, getNumberOfLines) \ V(Paragraph, getPositionForOffset) \ V(Paragraph, getRectsForPlaceholders) \ V(Paragraph, getRectsForRange) \ V(Paragraph, getWordBoundary) \ V(Paragraph, height) \ V(Paragraph, ideographicBaseline) \ V(Paragraph, layout) \ V(Paragraph, longestLine) \ V(Paragraph, maxIntrinsicWidth) \ V(Paragraph, minIntrinsicWidth) \ V(Paragraph, paint) \ V(Paragraph, width) \ V(PathMeasure, setPath) \ V(PathMeasure, getLength) \ V(PathMeasure, getPosTan) \ V(PathMeasure, getSegment) \ V(PathMeasure, isClosed) \ V(PathMeasure, nextContour) \ V(Path, addArc) \ V(Path, addOval) \ V(Path, addPath) \ V(Path, addPathWithMatrix) \ V(Path, addPolygon) \ V(Path, addRRect) \ V(Path, addRect) \ V(Path, arcTo) \ V(Path, arcToPoint) \ V(Path, clone) \ V(Path, close) \ V(Path, conicTo) \ V(Path, contains) \ V(Path, cubicTo) \ V(Path, extendWithPath) \ V(Path, extendWithPathAndMatrix) \ V(Path, getBounds) \ V(Path, getFillType) \ V(Path, lineTo) \ V(Path, moveTo) \ V(Path, op) \ V(Path, quadraticBezierTo) \ V(Path, relativeArcToPoint) \ V(Path, relativeConicTo) \ V(Path, relativeCubicTo) \ V(Path, relativeLineTo) \ V(Path, relativeMoveTo) \ V(Path, relativeQuadraticBezierTo) \ V(Path, reset) \ V(Path, setFillType) \ V(Path, shift) \ V(Path, transform) \ V(PictureRecorder, endRecording) \ V(Picture, GetAllocationSize) \ V(Picture, dispose) \ V(Picture, toImage) \ V(Picture, toImageSync) \ V(SceneBuilder, addPerformanceOverlay) \ V(SceneBuilder, addPicture) \ V(SceneBuilder, addPlatformView) \ V(SceneBuilder, addRetained) \ V(SceneBuilder, addTexture) \ V(SceneBuilder, build) \ V(SceneBuilder, pop) \ V(SceneBuilder, pushBackdropFilter) \ V(SceneBuilder, pushClipPath) \ V(SceneBuilder, pushClipRRect) \ V(SceneBuilder, pushClipRect) \ V(SceneBuilder, pushColorFilter) \ V(SceneBuilder, pushImageFilter) \ V(SceneBuilder, pushOffset) \ V(SceneBuilder, pushOpacity) \ V(SceneBuilder, pushShaderMask) \ V(SceneBuilder, pushTransformHandle) \ V(Scene, dispose) \ V(Scene, toImage) \ V(Scene, toImageSync) \ V(SemanticsUpdateBuilder, build) \ V(SemanticsUpdateBuilder, updateCustomAction) \ V(SemanticsUpdateBuilder, updateNode) \ V(SemanticsUpdate, dispose) \ V(Vertices, dispose) #define FFI_FUNCTION_INSERT(FUNCTION) \ g_function_dispatchers.insert(std::make_pair( \ std::string_view(#FUNCTION), \ reinterpret_cast( \ tonic::FfiDispatcher::Call))); #define FFI_METHOD_INSERT(CLASS, METHOD) \ g_function_dispatchers.insert( \ std::make_pair(std::string_view(#CLASS "::" #METHOD), \ reinterpret_cast( \ tonic::FfiDispatcher::Call))); namespace { std::once_flag g_dispatchers_init_flag; std::unordered_map g_function_dispatchers; void* ResolveFfiNativeFunction(const char* name, uintptr_t args) { auto it = g_function_dispatchers.find(name); return (it != g_function_dispatchers.end()) ? it->second : nullptr; } void InitDispatcherMap() { FFI_FUNCTION_LIST(FFI_FUNCTION_INSERT) FFI_METHOD_LIST(FFI_METHOD_INSERT) } } // anonymous namespace void DartUI::InitForIsolate(const Settings& settings) { std::call_once(g_dispatchers_init_flag, InitDispatcherMap); auto dart_ui = Dart_LookupLibrary(ToDart("dart:ui")); if (Dart_IsError(dart_ui)) { Dart_PropagateError(dart_ui); } // Set up FFI Native resolver for dart:ui. Dart_Handle result = Dart_SetFfiNativeResolver(dart_ui, ResolveFfiNativeFunction); if (Dart_IsError(result)) { Dart_PropagateError(result); } if (settings.enable_impeller) { result = Dart_SetField(dart_ui, ToDart("_impellerEnabled"), Dart_True()); if (Dart_IsError(result)) { Dart_PropagateError(result); } } if (settings.enable_platform_isolates) { result = Dart_SetField(dart_ui, ToDart("_platformIsolatesEnabled"), Dart_True()); if (Dart_IsError(result)) { Dart_PropagateError(result); } } result = Dart_SetField(dart_ui, ToDart("_implicitViewId"), Dart_NewInteger(kFlutterImplicitViewId)); if (Dart_IsError(result)) { Dart_PropagateError(result); } } } // namespace flutter