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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 "gin/dictionary.h"
#include "gin/handle.h"
#include "gin/object_template_builder.h"
#include "gin/wrappable.h"
#include "services/service_manager/public/cpp/interface_provider.h"
#include "shell/common/api/api.mojom.h"
#include "shell/common/gin_converters/blink_converter.h"
#include "shell/common/gin_converters/value_converter.h"
#include "shell/common/gin_helper/promise.h"
#include "shell/common/node_bindings.h"
#include "shell/common/node_includes.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 gin::Wrappable<IPCRenderer> {
public:
static gin::WrapperInfo kWrapperInfo;
static gin::Handle<IPCRenderer> Create(v8::Isolate* isolate) {
return gin::CreateHandle(isolate, new IPCRenderer(isolate));
}
explicit IPCRenderer(v8::Isolate* isolate) {
RenderFrame* render_frame = GetCurrentRenderFrame();
DCHECK(render_frame);
render_frame->GetRemoteInterfaces()->GetInterface(
mojo::MakeRequest(&electron_browser_ptr_));
}
// gin::Wrappable:
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override {
return gin::Wrappable<IPCRenderer>::GetObjectTemplateBuilder(isolate)
.SetMethod("send", &IPCRenderer::Send)
.SetMethod("sendSync", &IPCRenderer::SendSync)
.SetMethod("sendTo", &IPCRenderer::SendTo)
.SetMethod("sendToHost", &IPCRenderer::SendToHost)
.SetMethod("invoke", &IPCRenderer::Invoke);
}
const char* GetTypeName() override { return "IPCRenderer"; }
private:
void Send(v8::Isolate* isolate,
bool internal,
const std::string& channel,
v8::Local<v8::Value> arguments) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arguments, &message)) {
return;
}
electron_browser_ptr_->Message(internal, channel, std::move(message));
}
v8::Local<v8::Promise> Invoke(v8::Isolate* isolate,
bool internal,
const std::string& channel,
v8::Local<v8::Value> arguments) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arguments, &message)) {
return v8::Local<v8::Promise>();
}
gin_helper::Promise<blink::CloneableMessage> p(isolate);
auto handle = p.GetHandle();
electron_browser_ptr_->Invoke(
internal, channel, std::move(message),
base::BindOnce(
[](gin_helper::Promise<blink::CloneableMessage> p,
blink::CloneableMessage result) { p.Resolve(result); },
std::move(p)));
return handle;
}
void SendTo(v8::Isolate* isolate,
bool internal,
bool send_to_all,
int32_t web_contents_id,
const std::string& channel,
v8::Local<v8::Value> arguments) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arguments, &message)) {
return;
}
electron_browser_ptr_->MessageTo(internal, send_to_all, web_contents_id,
channel, std::move(message));
}
void SendToHost(v8::Isolate* isolate,
const std::string& channel,
v8::Local<v8::Value> arguments) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arguments, &message)) {
return;
}
electron_browser_ptr_->MessageHost(channel, std::move(message));
}
blink::CloneableMessage SendSync(v8::Isolate* isolate,
bool internal,
const std::string& channel,
v8::Local<v8::Value> arguments) {
blink::CloneableMessage message;
if (!gin::ConvertFromV8(isolate, arguments, &message)) {
return blink::CloneableMessage();
}
blink::CloneableMessage result;
electron_browser_ptr_->MessageSync(internal, channel, std::move(message),
&result);
return result;
}
electron::mojom::ElectronBrowserPtr electron_browser_ptr_;
};
gin::WrapperInfo IPCRenderer::kWrapperInfo = {gin::kEmbedderNativeGin};
void Initialize(v8::Local<v8::Object> exports,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context,
void* priv) {
gin::Dictionary dict(context->GetIsolate(), exports);
dict.Set("ipc", IPCRenderer::Create(context->GetIsolate()));
}
} // namespace
NODE_LINKED_MODULE_CONTEXT_AWARE(atom_renderer_ipc, Initialize)