electron/atom/renderer/api/atom_api_renderer_ipc.cc

72 lines
2 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/native_mate_converters/string16_converter.h"
#include "atom/common/native_mate_converters/value_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/node_includes.h"
using content::RenderView;
using WebKit::WebFrame;
using WebKit::WebView;
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)