electron/atom/renderer/api/atom_api_renderer_ipc.cc
2014-04-16 15:43:06 +08:00

93 lines
2.6 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.
#include "atom/common/api/api_messages.h"
#include "atom/common/v8/v8_value_converter.h"
#include "atom/common/v8_converters/string16_converter.h"
#include "content/public/renderer/render_view.h"
#include "native_mate/dictionary.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "atom/common/v8/node_common.h"
using content::RenderView;
using WebKit::WebFrame;
using WebKit::WebView;
namespace mate {
template<>
struct Converter<base::ListValue> {
static bool FromV8(v8::Isolate* isolate,
v8::Handle<v8::Value> val,
base::ListValue* out) {
scoped_ptr<atom::V8ValueConverter> converter(new atom::V8ValueConverter);
scoped_ptr<base::Value> value(converter->FromV8Value(
val, v8::Context::GetCurrent()));
if (value->IsType(base::Value::TYPE_LIST)) {
out->Swap(static_cast<ListValue*>(value.get()));
return true;
} else {
return false;
}
}
};
} // namespace mate
namespace {
RenderView* GetCurrentRenderView() {
WebFrame* frame = WebFrame::frameForCurrentContext();
if (!frame)
return NULL;
WebView* view = frame->view();
if (!view)
return NULL; // can happen during closing.
return RenderView::FromWebView(view);
}
void Send(const string16& channel, const base::ListValue& arguments) {
RenderView* render_view = GetCurrentRenderView();
if (render_view == NULL)
return;
bool success = render_view->Send(new AtomViewHostMsg_Message(
render_view->GetRoutingID(), channel, arguments));
if (!success)
node::ThrowError("Unable to send AtomViewHostMsg_Message");
}
string16 SendSync(const string16& channel, const base::ListValue& arguments) {
string16 json;
RenderView* render_view = GetCurrentRenderView();
if (render_view == NULL)
return json;
IPC::SyncMessage* message = new AtomViewHostMsg_Message_Sync(
render_view->GetRoutingID(), channel, arguments, &json);
// Enable the UI thread in browser to receive messages.
message->EnableMessagePumping();
bool success = render_view->Send(message);
if (!success)
node::ThrowError("Unable to send AtomViewHostMsg_Message_Sync");
return json;
}
void Initialize(v8::Handle<v8::Object> exports) {
mate::Dictionary dict(v8::Isolate::GetCurrent(), exports);
dict.SetMethod("send", &Send);
dict.SetMethod("sendSync", &SendSync);
}
} // namespace
NODE_MODULE(atom_renderer_ipc, Initialize)