| // 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. |
| |
| #ifndef FLUTTER_LIB_UI_WINDOW_WINDOW_H_ |
| #define FLUTTER_LIB_UI_WINDOW_WINDOW_H_ |
| |
| #include <string> |
| #include <unordered_map> |
| #include <vector> |
| |
| #include "flutter/fml/time/time_point.h" |
| #include "flutter/lib/ui/semantics/semantics_update.h" |
| #include "flutter/lib/ui/window/platform_message.h" |
| #include "flutter/lib/ui/window/pointer_data_packet.h" |
| #include "flutter/lib/ui/window/viewport_metrics.h" |
| #include "third_party/skia/include/gpu/GrContext.h" |
| #include "third_party/tonic/dart_persistent_value.h" |
| |
| namespace tonic { |
| class DartLibraryNatives; |
| |
| // So tonice::ToDart<std::vector<int64_t>> returns List<int> instead of |
| // List<dynamic>. |
| template <> |
| struct DartListFactory<int64_t> { |
| static Dart_Handle NewList(intptr_t length) { |
| return Dart_NewListOf(Dart_CoreType_Int, length); |
| } |
| }; |
| |
| } // namespace tonic |
| |
| namespace flutter { |
| class FontCollection; |
| class Scene; |
| |
| Dart_Handle ToByteData(const std::vector<uint8_t>& buffer); |
| |
| // Must match the AccessibilityFeatureFlag enum in window.dart. |
| enum class AccessibilityFeatureFlag : int32_t { |
| kAccessibleNavigation = 1 << 0, |
| kInvertColors = 1 << 1, |
| kDisableAnimations = 1 << 2, |
| kBoldText = 1 << 3, |
| kReduceMotion = 1 << 4, |
| kHighContrast = 1 << 5, |
| }; |
| |
| class WindowClient { |
| public: |
| virtual std::string DefaultRouteName() = 0; |
| virtual void ScheduleFrame() = 0; |
| virtual void Render(Scene* scene) = 0; |
| virtual void UpdateSemantics(SemanticsUpdate* update) = 0; |
| virtual void HandlePlatformMessage(fml::RefPtr<PlatformMessage> message) = 0; |
| virtual FontCollection& GetFontCollection() = 0; |
| virtual void UpdateIsolateDescription(const std::string isolate_name, |
| int64_t isolate_port) = 0; |
| virtual void SetNeedsReportTimings(bool value) = 0; |
| virtual std::shared_ptr<const fml::Mapping> GetPersistentIsolateData() = 0; |
| |
| protected: |
| virtual ~WindowClient(); |
| }; |
| |
| class Window final { |
| public: |
| explicit Window(WindowClient* client); |
| |
| ~Window(); |
| |
| WindowClient* client() const { return client_; } |
| |
| const ViewportMetrics& viewport_metrics() { return viewport_metrics_; } |
| |
| void DidCreateIsolate(); |
| void UpdateWindowMetrics(const ViewportMetrics& metrics); |
| void UpdateLocales(const std::vector<std::string>& locales); |
| void UpdatePlatformResolvedLocale(const std::vector<std::string>& locale); |
| void UpdateUserSettingsData(const std::string& data); |
| void UpdateLifecycleState(const std::string& data); |
| void UpdateSemanticsEnabled(bool enabled); |
| void UpdateAccessibilityFeatures(int32_t flags); |
| void DispatchPlatformMessage(fml::RefPtr<PlatformMessage> message); |
| void DispatchPointerDataPacket(const PointerDataPacket& packet); |
| void DispatchSemanticsAction(int32_t id, |
| SemanticsAction action, |
| std::vector<uint8_t> args); |
| void BeginFrame(fml::TimePoint frameTime); |
| void ReportTimings(std::vector<int64_t> timings); |
| |
| void CompletePlatformMessageResponse(int response_id, |
| std::vector<uint8_t> data); |
| void CompletePlatformMessageEmptyResponse(int response_id); |
| |
| static void RegisterNatives(tonic::DartLibraryNatives* natives); |
| |
| private: |
| WindowClient* client_; |
| tonic::DartPersistentValue library_; |
| ViewportMetrics viewport_metrics_; |
| |
| // We use id 0 to mean that no response is expected. |
| int next_response_id_ = 1; |
| std::unordered_map<int, fml::RefPtr<PlatformMessageResponse>> |
| pending_responses_; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_LIB_UI_WINDOW_WINDOW_H_ |