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8ee1910ca9
Compute the necessary texture resolution using more accurate scaling information provided by Mozart scene node metrics events instead of the device pixel ratio provided by the Mozart view properties (which we might remove in the future). This allows us to allocate smaller textures when a Flutter view is being scaled down.
125 lines
4.6 KiB
C++
125 lines
4.6 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef FLUTTER_CONTENT_HANDLER_RUNTIME_HOLDER_H_
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#define FLUTTER_CONTENT_HANDLER_RUNTIME_HOLDER_H_
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#include <mx/channel.h>
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#include <unordered_set>
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#include "application/lib/app/application_context.h"
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#include "application/services/application_environment.fidl.h"
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#include "application/services/service_provider.fidl.h"
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#include "apps/mozart/lib/flutter/sdk_ext/src/natives.h"
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#include "apps/mozart/services/input/input_connection.fidl.h"
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#include "apps/mozart/services/input/text_input.fidl.h"
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#include "apps/mozart/services/views/view_manager.fidl.h"
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#include "flutter/assets/unzipper_provider.h"
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#include "flutter/assets/zip_asset_store.h"
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#include "flutter/flow/layers/layer_tree.h"
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#include "flutter/lib/ui/window/viewport_metrics.h"
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#include "flutter/runtime/runtime_controller.h"
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#include "flutter/runtime/runtime_delegate.h"
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#include "lib/fidl/cpp/bindings/binding.h"
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#include "lib/ftl/functional/closure.h"
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#include "lib/ftl/macros.h"
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#include "lib/ftl/memory/weak_ptr.h"
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namespace flutter_runner {
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class Rasterizer;
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class RuntimeHolder : public blink::RuntimeDelegate,
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public mozart::NativesDelegate,
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public mozart::ViewListener,
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public mozart::InputListener,
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public mozart::InputMethodEditorClient {
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public:
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RuntimeHolder();
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~RuntimeHolder();
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void Init(std::unique_ptr<app::ApplicationContext> context,
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fidl::InterfaceRequest<app::ServiceProvider> outgoing_services,
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std::vector<char> bundle);
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void CreateView(const std::string& script_uri,
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fidl::InterfaceRequest<mozart::ViewOwner> view_owner_request,
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fidl::InterfaceRequest<app::ServiceProvider> services);
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Dart_Port GetUIIsolateMainPort();
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std::string GetUIIsolateName();
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private:
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// |blink::RuntimeDelegate| implementation:
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std::string DefaultRouteName() override;
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void ScheduleFrame() override;
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void Render(std::unique_ptr<flow::LayerTree> layer_tree) override;
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void UpdateSemantics(std::vector<blink::SemanticsNode> update) override;
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void HandlePlatformMessage(
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ftl::RefPtr<blink::PlatformMessage> message) override;
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void DidCreateMainIsolate(Dart_Isolate isolate) override;
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// |mozart::NativesDelegate| implementation:
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mozart::View* GetMozartView() override;
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// |mozart::InputListener| implementation:
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void OnEvent(mozart::InputEventPtr event,
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const OnEventCallback& callback) override;
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// |mozart::ViewListener| implementation:
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void OnPropertiesChanged(
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mozart::ViewPropertiesPtr properties,
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const OnPropertiesChangedCallback& callback) override;
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// |mozart::InputMethodEditorClient| implementation:
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void DidUpdateState(mozart::TextInputStatePtr state,
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mozart::InputEventPtr event) override;
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void OnAction(mozart::InputMethodAction action) override;
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ftl::WeakPtr<RuntimeHolder> GetWeakPtr();
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void InitRootBundle(std::vector<char> bundle);
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blink::UnzipperProvider GetUnzipperProviderForRootBundle();
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bool HandleAssetPlatformMessage(blink::PlatformMessage* message);
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bool HandleTextInputPlatformMessage(blink::PlatformMessage* message);
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void InitFidlInternal();
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void InitMozartInternal();
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void PostBeginFrame();
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void BeginFrame();
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void OnFrameComplete();
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void OnRedrawFrame();
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void Invalidate();
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std::unique_ptr<app::ApplicationContext> context_;
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fidl::InterfaceRequest<app::ServiceProvider> outgoing_services_;
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std::vector<char> root_bundle_data_;
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ftl::RefPtr<blink::ZipAssetStore> asset_store_;
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void* dylib_handle_ = nullptr;
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std::unique_ptr<Rasterizer> rasterizer_;
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std::unique_ptr<blink::RuntimeController> runtime_;
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blink::ViewportMetrics viewport_metrics_;
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mozart::ViewManagerPtr view_manager_;
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fidl::Binding<mozart::ViewListener> view_listener_binding_;
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fidl::Binding<mozart::InputListener> input_listener_binding_;
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mozart::InputConnectionPtr input_connection_;
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mozart::ViewPtr view_;
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std::unordered_set<int> down_pointers_;
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mozart::InputMethodEditorPtr input_method_editor_;
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fidl::Binding<mozart::InputMethodEditorClient> text_input_binding_;
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int current_text_input_client_ = 0;
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ftl::TimePoint last_begin_frame_time_;
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bool frame_outstanding_ = false;
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bool frame_scheduled_ = false;
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bool frame_rendering_ = false;
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ftl::WeakPtrFactory<RuntimeHolder> weak_factory_;
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FTL_DISALLOW_COPY_AND_ASSIGN(RuntimeHolder);
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};
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} // namespace flutter_runner
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#endif // FLUTTER_CONTENT_HANDLER_RUNTIME_HOLDER_H_
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