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