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// Copyright (c) 2006-2008 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_DOM_UI_BINDINGS_H__
#define CHROME_RENDERER_DOM_UI_BINDINGS_H__
#include "chrome/common/ipc_message.h"
#include "webkit/glue/cpp_bound_class.h"
// A DOMBoundBrowserObject is a backing for some object bound to the window
// in JS that knows how to dispatch messages to an associated c++ object living
// in the browser process.
class DOMBoundBrowserObject : public CppBoundClass {
public:
DOMBoundBrowserObject() : routing_id_(0) { }
virtual ~DOMBoundBrowserObject();
// Different for each subclass; associates the javascript object with any
// number of methods.
virtual void BindMethods() = 0;
// 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;
}
IPC::Message::Sender* sender() { return sender_; }
int routing_id() { return 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_;
DISALLOW_COPY_AND_ASSIGN(DOMBoundBrowserObject);
};
// DOMUIBindings is the class backing the "chrome" object accessible
// from Javascript from privileged pages.
//
// We expose one function, for sending a message to the browser:
// send(String name, Object argument);
// It's plumbed through to the OnDOMUIMessage callback on RenderViewHost
// delegate.
class DOMUIBindings : public DOMBoundBrowserObject {
public:
DOMUIBindings() { BindMethods(); }
virtual ~DOMUIBindings() {}
// DOMBoundBrowserObject implementation.
virtual void BindMethods();
// The send() function provided to Javascript.
void send(const CppArgumentList& args, CppVariant* result);
private:
DISALLOW_COPY_AND_ASSIGN(DOMUIBindings);
};
#endif // CHROME_RENDERER_DOM_UI_BINDINGS_H__