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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_MESSAGING_BINDINGS_H_
#define CHROME_RENDERER_EXTENSIONS_MESSAGING_BINDINGS_H_
#include <string>
#include "chrome/renderer/extensions/chrome_v8_context_set.h"
namespace base {
class DictionaryValue;
}
namespace content {
class RenderView;
}
namespace v8 {
class Extension;
}
namespace extensions {
class ChromeV8Extension;
class Dispatcher;
// Manually implements JavaScript bindings for extension messaging.
//
// TODO(aa): This should all get re-implemented using SchemaGeneratedBindings.
// If anything needs to be manual for some reason, it should be implemented in
// its own class.
class MessagingBindings {
public:
// Creates an instance of the extension.
static ChromeV8Extension* Get(Dispatcher* dispatcher,
ChromeV8Context* context);
// Dispatches the onConnect content script messaging event to some contexts
// in |contexts|. If |restrict_to_render_view| is specified, only contexts in
// that render view will receive the message.
static void DispatchOnConnect(
const ChromeV8ContextSet::ContextSet& contexts,
int target_port_id,
const std::string& channel_name,
const base::DictionaryValue& source_tab,
const std::string& source_extension_id,
const std::string& target_extension_id,
const GURL& source_url,
content::RenderView* restrict_to_render_view);
// Delivers a message sent using content script messaging to some of the
// contexts in |bindings_context_set|. If |restrict_to_render_view| is
// specified, only contexts in that render view will receive the message.
static void DeliverMessage(
const ChromeV8ContextSet::ContextSet& context_set,
int target_port_id,
const std::string& message,
content::RenderView* restrict_to_render_view);
// Dispatches the onDisconnect event in response to the channel being closed.
static void DispatchOnDisconnect(
const ChromeV8ContextSet::ContextSet& context_set,
int port_id,
const std::string& error_message,
content::RenderView* restrict_to_render_view);
};
} // namespace extensions
#endif // CHROME_RENDERER_EXTENSIONS_MESSAGING_BINDINGS_H_
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