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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/external_extension.h"
#include "chrome/renderer/render_view.h"
#include "webkit/glue/webframe.h"
namespace extensions_v8 {
const char* kExternalExtensionName = "v8/External";
class ExternalExtensionWrapper : public v8::Extension {
public:
ExternalExtensionWrapper()
: v8::Extension(
kExternalExtensionName,
"var external;"
"if (!external)"
" external = {};"
"external.AddSearchProvider = function(name) {"
" native function NativeAddSearchProvider();"
" NativeAddSearchProvider(name);"
"}") {}
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name) {
if (name->Equals(v8::String::New("NativeAddSearchProvider"))) {
return v8::FunctionTemplate::New(AddSearchProvider);
}
return v8::Handle<v8::FunctionTemplate>();
}
static v8::Handle<v8::Value> AddSearchProvider(const v8::Arguments& args) {
if (!args.Length())
return v8::Undefined();
WebFrame* webframe = WebFrame::RetrieveFrameForEnteredContext();
DCHECK(webframe) << "There should be an active frame since we just got "
"a native function called.";
if (!webframe) return v8::Undefined();
WebView* webview = webframe->GetView();
if (!webview) return v8::Undefined(); // can happen during closing
RenderView* renderview = static_cast<RenderView*>(webview->GetDelegate());
if (!renderview) return v8::Undefined();
std::string name = std::string(*v8::String::Utf8Value(args[0]));
if (!name.length()) return v8::Undefined();;
renderview->AddSearchProvider(name);
return v8::Undefined();
}
};
v8::Extension* ExternalExtension::Get() {
return new ExternalExtensionWrapper();
}
} // namespace extensions_v8
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