electron/shell/common/api/remote/remote_callback_freer.cc

61 lines
2.3 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 "shell/common/api/remote/remote_callback_freer.h"
#include "base/strings/utf_string_conversions.h"
#include "base/values.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "electron/shell/common/api/api.mojom.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h"
namespace electron {
// static
void RemoteCallbackFreer::BindTo(v8::Isolate* isolate,
v8::Local<v8::Object> target,
int frame_id,
const std::string& context_id,
int object_id,
content::WebContents* web_contents) {
new RemoteCallbackFreer(isolate, target, frame_id, context_id, object_id,
web_contents);
}
RemoteCallbackFreer::RemoteCallbackFreer(v8::Isolate* isolate,
v8::Local<v8::Object> target,
int frame_id,
const std::string& context_id,
int object_id,
content::WebContents* web_contents)
: ObjectLifeMonitor(isolate, target),
content::WebContentsObserver(web_contents),
frame_id_(frame_id),
context_id_(context_id),
object_id_(object_id) {}
RemoteCallbackFreer::~RemoteCallbackFreer() = default;
void RemoteCallbackFreer::RunDestructor() {
auto frames = web_contents()->GetAllFrames();
auto iter = std::find_if(frames.begin(), frames.end(), [this](auto* f) {
return f->GetRoutingID() == frame_id_;
});
if (iter != frames.end() && (*iter)->IsRenderFrameLive()) {
mojo::AssociatedRemote<mojom::ElectronRenderer> electron_renderer;
(*iter)->GetRemoteAssociatedInterfaces()->GetInterface(&electron_renderer);
electron_renderer->DereferenceRemoteJSCallback(context_id_, object_id_);
}
Observe(nullptr);
}
void RemoteCallbackFreer::RenderViewDeleted(content::RenderViewHost*) {
delete this;
}
} // namespace electron