electron/renderer/api/atom_renderer_bindings.cc

108 lines
2.9 KiB
C++

// Copyright (c) 2013 GitHub, Inc. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "renderer/api/atom_renderer_bindings.h"
#include "base/logging.h"
#include "base/values.h"
#include "common/api/api_messages.h"
#include "content/public/renderer/render_view.h"
#include "content/public/renderer/v8_value_converter.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
#include "vendor/node/src/node.h"
using content::RenderView;
using content::V8ValueConverter;
using WebKit::WebFrame;
using WebKit::WebView;
namespace atom {
namespace {
v8::Handle<v8::Object> GetProcessObject(v8::Handle<v8::Context> context) {
v8::Handle<v8::Object> process =
context->Global()->Get(v8::String::New("process"))->ToObject();
DCHECK(!process.IsEmpty());
return process;
}
RenderView* GetCurrentRenderView() {
WebFrame* frame = WebFrame::frameForCurrentContext();
DCHECK(frame);
if (!frame)
return NULL;
WebView* view = frame->view();
if (!view)
return NULL; // can happen during closing.
RenderView* render_view = RenderView::FromWebView(view);
DCHECK(render_view);
return render_view;
}
} // namespace
AtomRendererBindings::AtomRendererBindings(RenderView* render_view)
: render_view_(render_view) {
}
AtomRendererBindings::~AtomRendererBindings() {
}
void AtomRendererBindings::BindToFrame(WebFrame* frame) {
v8::HandleScope handle_scope;
v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
if (context.IsEmpty())
return;
v8::Context::Scope scope(context);
AtomBindings::BindTo(GetProcessObject(context));
}
void AtomRendererBindings::AddIPCBindings(WebFrame* frame) {
v8::HandleScope handle_scope;
v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
if (context.IsEmpty())
return;
v8::Context::Scope scope(context);
v8::Handle<v8::Object> process = GetProcessObject(context);
node::SetMethod(process, "send", Send);
}
// static
v8::Handle<v8::Value> AtomRendererBindings::Send(const v8::Arguments &args) {
v8::HandleScope scope;
RenderView* render_view = GetCurrentRenderView();
// Convert Arguments to Array, so we can use V8ValueConverter to convert it
// to ListValue.
v8::Local<v8::Array> v8_args = v8::Array::New(args.Length());
for (int i = 0; i < args.Length(); ++i)
v8_args->Set(i, args[i]);
scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
scoped_ptr<base::Value> arguments(
converter->FromV8Value(v8_args, v8::Context::GetCurrent()));
DCHECK(arguments && arguments->IsType(base::Value::TYPE_LIST));
render_view->Send(new AtomViewHostMsg_Message(
render_view->GetRoutingID(),
*static_cast<base::ListValue*>(arguments.get())));
return v8::Undefined();
}
} // namespace atom