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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H__
#define CHROME_RENDERER_EXTERNAL_HOST_BINDINGS_H__
#include "chrome/common/ipc_message.h"
#include "webkit/glue/cpp_bound_class.h"
// ExternalHostBindings is the class backing the "externalHost" object
// accessible from Javascript
//
// We expose one function, for sending a message to the external host:
// postMessage(String receiver, String message);
class ExternalHostBindings : public CppBoundClass {
public:
ExternalHostBindings();
~ExternalHostBindings();
// The postMessage() function provided to Javascript.
void postMessage(const CppArgumentList& args, CppVariant* result);
// Set the message channel back to the browser.
void set_message_sender(IPC::Message::Sender* sender) {
sender_ = sender;
}
// Set the routing id for messages back to the browser.
void set_routing_id(int routing_id) {
routing_id_ = routing_id;
}
// Sets a property with the given name and value.
void SetProperty(const std::string& name, const std::string& value);
private:
// Our channel back to the browser is a message sender
// and routing id.
IPC::Message::Sender* sender_;
int routing_id_;
// The list of properties that have been set. We keep track of this so we
// can free them on destruction.
typedef std::vector<CppVariant*> PropertyList;
PropertyList properties_;
};
#endif // CHROME_RENDERER_DOM_UI_BINDINGS_H__
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