/
electron_bindings.h
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/
electron_bindings.h
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// 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 "base/strings/string16.h"
#include "native_mate/arguments.h"
#include "shell/common/promise_util.h"
#include "uv.h" // NOLINT(build/include_directory)
#include "v8/include/v8.h"
namespace mate {
class Dictionary;
}
namespace memory_instrumentation {
class GlobalMemoryDump;
}
namespace node {
class Environment;
}
namespace electron {
class ElectronBindings {
public:
explicit ElectronBindings(uv_loop_t* loop);
virtual ~ElectronBindings();
// Add process.electronBinding 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,
mate::Dictionary* process,
base::ProcessMetrics* metrics);
static void Log(const base::string16& message);
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,
mate::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,
util::Promise promise,
bool success,
std::unique_ptr<memory_instrumentation::GlobalMemoryDump> dump);
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_