84 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			84 lines
		
	
	
	
		
			2.3 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
| // Copyright (c) 2013 GitHub, Inc. All rights reserved.
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| // Use of this source code is governed by a BSD-style license that can be
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| // found in the LICENSE file.
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| 
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| #include "renderer/api/atom_renderer_bindings.h"
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| 
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| #include <vector>
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| 
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| #include "base/logging.h"
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| #include "base/values.h"
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| #include "content/public/renderer/render_view.h"
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| #include "content/public/renderer/v8_value_converter.h"
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| #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
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| #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
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| #include "vendor/node/src/node.h"
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| 
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| using content::RenderView;
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| using content::V8ValueConverter;
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| using WebKit::WebFrame;
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| 
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| namespace atom {
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| 
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| namespace {
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| 
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| v8::Handle<v8::Object> GetProcessObject(v8::Handle<v8::Context> context) {
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|   v8::Handle<v8::Object> process =
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|       context->Global()->Get(v8::String::New("process"))->ToObject();
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|   DCHECK(!process.IsEmpty());
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| 
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|   return process;
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| }
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| 
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| }  // namespace
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| 
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| AtomRendererBindings::AtomRendererBindings(RenderView* render_view)
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|     : render_view_(render_view) {
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| }
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| 
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| AtomRendererBindings::~AtomRendererBindings() {
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| }
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| 
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| void AtomRendererBindings::BindToFrame(WebFrame* frame) {
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|   v8::HandleScope handle_scope;
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| 
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|   v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
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|   if (context.IsEmpty())
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|     return;
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| 
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|   v8::Context::Scope scope(context);
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| 
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|   AtomBindings::BindTo(GetProcessObject(context));
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| }
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| 
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| void AtomRendererBindings::OnBrowserMessage(const std::string& channel,
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|                                             const base::ListValue& args) {
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|   if (!render_view_->GetWebView())
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|     return;
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| 
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|   v8::HandleScope scope;
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| 
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|   v8::Local<v8::Context> context =
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|       render_view_->GetWebView()->mainFrame()->mainWorldScriptContext();
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|   if (context.IsEmpty())
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|     return;
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| 
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|   v8::Context::Scope context_scope(context);
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| 
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|   v8::Handle<v8::Object> process = GetProcessObject(context);
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|   scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
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| 
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|   std::vector<v8::Handle<v8::Value>> arguments;
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|   arguments.reserve(1 + args.GetSize());
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|   arguments.push_back(v8::String::New(channel.c_str(), channel.size()));
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| 
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|   for (size_t i = 0; i < args.GetSize(); i++) {
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|     const base::Value* value;
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|     if (args.Get(i, &value))
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|       arguments.push_back(converter->ToV8Value(value, context));
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|   }
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| 
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|   node::MakeCallback(process, "emit", arguments.size(), &arguments[0]);
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| }
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| 
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| }  // namespace atom
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