electron/atom/common/api/remote_object_freer.cc

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// Copyright (c) 2016 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/common/api/remote_object_freer.h"
#include "atom/common/api/api_messages.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "content/public/renderer/render_view.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
using blink::WebLocalFrame;
using blink::WebView;
namespace atom {
namespace {
content::RenderView* GetCurrentRenderView() {
WebLocalFrame* frame = WebLocalFrame::frameForCurrentContext();
if (!frame)
return nullptr;
WebView* view = frame->view();
if (!view)
return nullptr; // can happen during closing.
return content::RenderView::FromWebView(view);
}
} // namespace
// static
void RemoteObjectFreer::BindTo(
v8::Isolate* isolate, v8::Local<v8::Object> target, int object_id) {
new RemoteObjectFreer(isolate, target, object_id);
}
RemoteObjectFreer::RemoteObjectFreer(
v8::Isolate* isolate, v8::Local<v8::Object> target, int object_id)
: ObjectLifeMonitor(isolate, target),
object_id_(object_id) {
}
RemoteObjectFreer::~RemoteObjectFreer() {
}
void RemoteObjectFreer::RunDestructor() {
content::RenderView* render_view = GetCurrentRenderView();
if (!render_view)
return;
base::string16 channel = base::ASCIIToUTF16("ipc-message");
base::ListValue args;
args.AppendString("ELECTRON_BROWSER_DEREFERENCE");
args.AppendInteger(object_id_);
render_view->Send(
new AtomViewHostMsg_Message(render_view->GetRoutingID(), channel, args));
}
} // namespace atom