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// Copyright (c) 2012 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.
#ifndef CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_H_
#define CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_H_
#include "base/logging.h"
#include "base/memory/linked_ptr.h"
#include "base/string_piece.h"
#include "chrome/renderer/extensions/chrome_v8_extension_handler.h"
#include "chrome/renderer/extensions/native_handler.h"
#include "v8/include/v8.h"
#include <map>
#include <set>
#include <string>
namespace content {
class RenderView;
}
namespace extensions {
class ChromeV8Context;
class Dispatcher;
class Extension;
// This is a base class for chrome extension bindings. Common features that
// are shared by different modules go here.
// TODO(koz): Rename this to ExtensionNativeModule.
class ChromeV8Extension : public NativeHandler {
public:
typedef std::set<ChromeV8Extension*> InstanceSet;
static const InstanceSet& GetAll();
explicit ChromeV8Extension(Dispatcher* dispatcher);
virtual ~ChromeV8Extension();
Dispatcher* dispatcher() { return dispatcher_; }
protected:
template<class T>
static T* GetFromArguments(const v8::Arguments& args) {
CHECK(!args.Data().IsEmpty());
T* result = static_cast<T*>(args.Data().As<v8::External>()->Value());
return result;
}
// Gets the render view for the current v8 context.
static content::RenderView* GetCurrentRenderView();
// Note: do not call this function before or during the chromeHidden.onLoad
// event dispatch. The URL might not have been committed yet and might not
// be an extension URL.
const Extension* GetExtensionForCurrentRenderView() const;
// Returns the chromeHidden object for the current context.
static v8::Handle<v8::Value> GetChromeHidden(const v8::Arguments& args);
Dispatcher* dispatcher_;
private:
DISALLOW_COPY_AND_ASSIGN(ChromeV8Extension);
};
} // namespace extensions
#endif // CHROME_RENDERER_EXTENSIONS_CHROME_V8_EXTENSION_H_
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