electron/common/node_bindings.h
2013-07-29 20:50:03 +08:00

93 lines
1.9 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef RAVE_COMMON_NODE_BINDINGS_
#define RAVE_COMMON_NODE_BINDINGS_
#include "base/basictypes.h"
#include "vendor/node/deps/uv/include/uv.h"
namespace WebKit {
class WebFrame;
}
namespace base {
class MessageLoop;
}
namespace atom {
class NodeBindings {
public:
static NodeBindings* Create(bool is_browser);
virtual ~NodeBindings();
// Setup V8, libuv and the process object.
virtual void Initialize();
// Load node.js main script.
virtual void Load();
// Load cefode.js script under web frame.
virtual void BindTo(WebKit::WebFrame* frame);
// Prepare for message loop integration.
virtual void PrepareMessageLoop();
// Do message loop integration.
virtual void RunMessageLoop();
protected:
explicit NodeBindings(bool is_browser);
// Called to poll events in new thread.
virtual void PollEvents() = 0;
// Run the libuv loop for once.
void UvRunOnce();
// Make the main thread run libuv loop.
void WakeupMainThread();
// Interrupt the PollEvents.
void WakeupEmbedThread();
// Are we running in browser.
bool is_browser_;
// Main thread's MessageLoop.
base::MessageLoop* message_loop_;
// Main thread's libuv loop.
uv_loop_t* uv_loop_;
private:
// Thread to poll uv events.
static void EmbedThreadRunner(void *arg);
// Do idle GC.
static void IdleCallback(uv_timer_t*, int);
// Whether the libuv loop has ended.
bool embed_closed_;
// Dummy handle to make uv's loop not quit.
uv_async_t dummy_uv_handle_;
// Timer to do idle GC.
uv_timer_t idle_timer_;
// Thread for polling events.
uv_thread_t embed_thread_;
// Semaphore to wait for main loop in the embed thread.
uv_sem_t embed_sem_;
DISALLOW_COPY_AND_ASSIGN(NodeBindings);
};
} // namespace atom
#endif // RAVE_COMMON_NODE_BINDINGS_