electron/atom/common/api/remote_object_freer.cc

68 lines
2 KiB
C++

// 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_frame.h"
#include "third_party/blink/public/web/web_local_frame.h"
using blink::WebLocalFrame;
namespace atom {
namespace {
content::RenderFrame* GetCurrentRenderFrame() {
WebLocalFrame* frame = WebLocalFrame::FrameForCurrentContext();
if (!frame)
return nullptr;
return content::RenderFrame::FromWebFrame(frame);
}
} // namespace
// static
void RemoteObjectFreer::BindTo(v8::Isolate* isolate,
v8::Local<v8::Object> target,
const std::string& context_id,
int object_id) {
new RemoteObjectFreer(isolate, target, context_id, object_id);
}
RemoteObjectFreer::RemoteObjectFreer(v8::Isolate* isolate,
v8::Local<v8::Object> target,
const std::string& context_id,
int object_id)
: ObjectLifeMonitor(isolate, target),
context_id_(context_id),
object_id_(object_id),
routing_id_(MSG_ROUTING_NONE) {
content::RenderFrame* render_frame = GetCurrentRenderFrame();
if (render_frame) {
routing_id_ = render_frame->GetRoutingID();
}
}
RemoteObjectFreer::~RemoteObjectFreer() {}
void RemoteObjectFreer::RunDestructor() {
content::RenderFrame* render_frame =
content::RenderFrame::FromRoutingID(routing_id_);
if (!render_frame)
return;
auto* channel = "ipc-message";
base::ListValue args;
args.AppendString("ELECTRON_BROWSER_DEREFERENCE");
args.AppendString(context_id_);
args.AppendInteger(object_id_);
render_frame->Send(new AtomFrameHostMsg_Message(render_frame->GetRoutingID(),
channel, args));
}
} // namespace atom