/
atom_api_renderer_ipc.cc
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atom_api_renderer_ipc.cc
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// Copyright (c) 2013 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include <string>
#include "base/task/post_task.h"
#include "base/values.h"
#include "content/public/renderer/render_frame.h"
#include "electron/shell/common/api/api.mojom.h"
#include "native_mate/arguments.h"
#include "native_mate/dictionary.h"
#include "native_mate/handle.h"
#include "native_mate/object_template_builder.h"
#include "native_mate/wrappable.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "shell/common/native_mate_converters/value_converter.h"
#include "shell/common/node_bindings.h"
#include "shell/common/node_includes.h"
#include "shell/common/promise_util.h"
#include "third_party/blink/public/web/web_local_frame.h"
using blink::WebLocalFrame;
using content::RenderFrame;
namespace {
RenderFrame* GetCurrentRenderFrame() {
WebLocalFrame* frame = WebLocalFrame::FrameForCurrentContext();
if (!frame)
return nullptr;
return RenderFrame::FromWebFrame(frame);
}
class IPCRenderer : public mate::Wrappable<IPCRenderer> {
public:
explicit IPCRenderer(v8::Isolate* isolate) {
Init(isolate);
RenderFrame* render_frame = GetCurrentRenderFrame();
DCHECK(render_frame);
render_frame->GetRemoteInterfaces()->GetInterface(
mojo::MakeRequest(&electron_browser_ptr_));
}
static void BuildPrototype(v8::Isolate* isolate,
v8::Local<v8::FunctionTemplate> prototype) {
prototype->SetClassName(mate::StringToV8(isolate, "IPCRenderer"));
mate::ObjectTemplateBuilder(isolate, prototype->PrototypeTemplate())
.SetMethod("send", &IPCRenderer::Send)
.SetMethod("sendSync", &IPCRenderer::SendSync)
.SetMethod("sendTo", &IPCRenderer::SendTo)
.SetMethod("sendToHost", &IPCRenderer::SendToHost)
.SetMethod("invoke", &IPCRenderer::Invoke);
}
static mate::Handle<IPCRenderer> Create(v8::Isolate* isolate) {
return mate::CreateHandle(isolate, new IPCRenderer(isolate));
}
void Send(bool internal,
const std::string& channel,
const base::ListValue& arguments) {
electron_browser_ptr_->Message(internal, channel, arguments.Clone());
}
v8::Local<v8::Promise> Invoke(mate::Arguments* args,
const std::string& channel,
const base::Value& arguments) {
electron::util::Promise p(args->isolate());
auto handle = p.GetHandle();
electron_browser_ptr_->Invoke(
channel, arguments.Clone(),
base::BindOnce([](electron::util::Promise p,
base::Value result) { p.Resolve(result); },
std::move(p)));
return handle;
}
void SendTo(bool internal,
bool send_to_all,
int32_t web_contents_id,
const std::string& channel,
const base::ListValue& arguments) {
electron_browser_ptr_->MessageTo(internal, send_to_all, web_contents_id,
channel, arguments.Clone());
}
void SendToHost(const std::string& channel,
const base::ListValue& arguments) {
electron_browser_ptr_->MessageHost(channel, arguments.Clone());
}
base::Value SendSync(bool internal,
const std::string& channel,
const base::ListValue& arguments) {
base::Value result;
electron_browser_ptr_->MessageSync(internal, channel, arguments.Clone(),
&result);
// // A task is posted to a worker thread to execute the request so that
// // this thread may block on a waitable event. It is safe to pass raw
// // pointers to |result| and |response_received_event| as this stack frame
// // will survive until the request is complete.
// base::WaitableEvent response_received_event;
// task_runner_->PostTask(
// FROM_HERE,
// base::BindOnce(&IPCRenderer::SendMessageSyncOnWorkerThread,
// base::Unretained(this),
// base::Unretained(&response_received_event),
// base::Unretained(&result), internal,
// channel, arguments.Clone()));
// response_received_event.Wait();
return result;
}
private:
electron::mojom::ElectronBrowserPtr electron_browser_ptr_;
};
void Initialize(v8::Local<v8::Object> exports,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context,
void* priv) {
mate::Dictionary dict(context->GetIsolate(), exports);
dict.Set("ipc", IPCRenderer::Create(context->GetIsolate()));
}
} // namespace
NODE_LINKED_MODULE_CONTEXT_AWARE(atom_renderer_ipc, Initialize)