2017-09-11 15:58:48 -07:00

112 lines
3.5 KiB
C++

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