mirror of
https://github.com/encounter/engine.git
synced 2026-03-30 11:09:55 -07:00
Chinmay Garde
112 lines
3.6 KiB
C++
112 lines
3.6 KiB
C++
// Copyright 2015 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 SHELL_COMMON_SHELL_H_
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#define SHELL_COMMON_SHELL_H_
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#include "flutter/fml/thread.h"
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#include "flutter/shell/common/tracing_controller.h"
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#include "lib/ftl/command_line.h"
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#include "lib/ftl/macros.h"
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#include "lib/ftl/memory/ref_ptr.h"
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#include "lib/ftl/memory/weak_ptr.h"
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#include "lib/ftl/synchronization/thread_checker.h"
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#include "lib/ftl/synchronization/waitable_event.h"
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#include "lib/ftl/tasks/task_runner.h"
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namespace shell {
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class PlatformView;
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class Rasterizer;
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class Shell {
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public:
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~Shell();
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static void InitStandalone(ftl::CommandLine command_line,
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std::string icu_data_path = "",
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std::string application_library_path = "");
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static Shell& Shared();
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const ftl::CommandLine& GetCommandLine() const;
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TracingController& tracing_controller();
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// Maintain a list of rasterizers.
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// These APIs must only be accessed on the GPU thread.
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void AddRasterizer(const ftl::WeakPtr<Rasterizer>& rasterizer);
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void PurgeRasterizers();
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void GetRasterizers(std::vector<ftl::WeakPtr<Rasterizer>>* rasterizer);
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// List of PlatformViews.
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// These APIs must only be accessed on UI thread.
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void AddPlatformView(const ftl::WeakPtr<PlatformView>& platform_view);
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void PurgePlatformViews();
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void GetPlatformViews(
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std::vector<ftl::WeakPtr<PlatformView>>* platform_views);
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struct PlatformViewInfo {
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uintptr_t view_id;
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int64_t isolate_id;
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std::string isolate_name;
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};
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// These APIs can be called from any thread.
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// Return the list of platform view ids at the time of this call.
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void WaitForPlatformViewIds(std::vector<PlatformViewInfo>* platform_view_ids);
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// Attempt to run a script inside a flutter view indicated by |view_id|.
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// Will set |view_existed| to true if the view was found and false otherwise.
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void RunInPlatformView(uintptr_t view_id,
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const char* main_script,
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const char* packages_file,
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const char* asset_directory,
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bool* view_existed,
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int64_t* dart_isolate_id,
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std::string* isolate_name);
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private:
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static void Init(ftl::CommandLine command_line);
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Shell(ftl::CommandLine command_line);
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void InitGpuThread();
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void InitUIThread();
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void WaitForPlatformViewsIdsUIThread(
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std::vector<PlatformViewInfo>* platform_views,
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ftl::AutoResetWaitableEvent* latch);
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void RunInPlatformViewUIThread(uintptr_t view_id,
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const std::string& main,
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const std::string& packages,
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const std::string& assets_directory,
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bool* view_existed,
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int64_t* dart_isolate_id,
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std::string* isolate_name,
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ftl::AutoResetWaitableEvent* latch);
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ftl::CommandLine command_line_;
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std::unique_ptr<fml::Thread> gpu_thread_;
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std::unique_ptr<fml::Thread> ui_thread_;
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std::unique_ptr<fml::Thread> io_thread_;
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std::unique_ptr<ftl::ThreadChecker> gpu_thread_checker_;
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std::unique_ptr<ftl::ThreadChecker> ui_thread_checker_;
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TracingController tracing_controller_;
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std::vector<ftl::WeakPtr<Rasterizer>> rasterizers_;
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std::vector<ftl::WeakPtr<PlatformView>> platform_views_;
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FTL_DISALLOW_COPY_AND_ASSIGN(Shell);
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};
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} // namespace shell
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#endif // SHELL_COMMON_SHELL_H_
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