87 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			87 lines
		
	
	
	
		
			2.8 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ELECTRON_SHELL_COMMON_API_ELECTRON_BINDINGS_H_
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#define ELECTRON_SHELL_COMMON_API_ELECTRON_BINDINGS_H_
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#include <list>
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#include <memory>
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#include "base/files/file_path.h"
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#include "base/memory/scoped_refptr.h"
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#include "base/process/process_metrics.h"
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#include "shell/common/gin_helper/promise.h"
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#include "shell/common/node_bindings.h"
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#include "uv.h"  // NOLINT(build/include_directory)
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namespace gin_helper {
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class Arguments;
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class Dictionary;
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}  // namespace gin_helper
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namespace memory_instrumentation {
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class GlobalMemoryDump;
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}
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namespace node {
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class Environment;
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}
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namespace electron {
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class ElectronBindings {
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 public:
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  explicit ElectronBindings(uv_loop_t* loop);
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  virtual ~ElectronBindings();
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  // disable copy
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  ElectronBindings(const ElectronBindings&) = delete;
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  ElectronBindings& operator=(const ElectronBindings&) = delete;
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  // Add process._linkedBinding function, which behaves like process.binding
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  // but load native code from Electron instead.
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  void BindTo(v8::Isolate* isolate, v8::Local<v8::Object> process);
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  // Should be called when a node::Environment has been destroyed.
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  void EnvironmentDestroyed(node::Environment* env);
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  static void BindProcess(v8::Isolate* isolate,
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                          gin_helper::Dictionary* process,
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                          base::ProcessMetrics* metrics);
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  static void Crash();
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  static void DidReceiveMemoryDump(
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      v8::Global<v8::Context> context,
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      gin_helper::Promise<gin_helper::Dictionary> promise,
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      base::ProcessId target_pid,
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      bool success,
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      std::unique_ptr<memory_instrumentation::GlobalMemoryDump> dump);
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 private:
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  static void Hang();
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  static v8::Local<v8::Value> GetHeapStatistics(v8::Isolate* isolate);
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  static v8::Local<v8::Value> GetCreationTime(v8::Isolate* isolate);
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  static v8::Local<v8::Value> GetSystemMemoryInfo(v8::Isolate* isolate,
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                                                  gin_helper::Arguments* args);
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  static v8::Local<v8::Promise> GetProcessMemoryInfo(v8::Isolate* isolate);
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  static v8::Local<v8::Value> GetBlinkMemoryInfo(v8::Isolate* isolate);
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  static v8::Local<v8::Value> GetCPUUsage(base::ProcessMetrics* metrics,
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                                          v8::Isolate* isolate);
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  static v8::Local<v8::Value> GetIOCounters(v8::Isolate* isolate);
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  static bool TakeHeapSnapshot(v8::Isolate* isolate,
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                               const base::FilePath& file_path);
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  void ActivateUVLoop(v8::Isolate* isolate);
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  static void OnCallNextTick(uv_async_t* handle);
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  UvHandle<uv_async_t> call_next_tick_async_;
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  std::list<node::Environment*> pending_next_ticks_;
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  std::unique_ptr<base::ProcessMetrics> metrics_;
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};
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}  // namespace electron
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#endif  // ELECTRON_SHELL_COMMON_API_ELECTRON_BINDINGS_H_
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