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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 CONTENT_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_
#define CONTENT_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_
#include "base/basictypes.h"
#include "base/strings/string16.h"
#include "content/common/content_export.h"
class GURL;
namespace base {
class ListValue;
}
namespace content {
class RenderViewHost;
class WebUI;
// A WebUI page is controller by the embedder's WebUIController object. It
// manages the data source and message handlers.
class CONTENT_EXPORT WebUIController {
public:
explicit WebUIController(WebUI* web_ui) : web_ui_(web_ui) {}
virtual ~WebUIController() {}
// Allows the controller to override handling all messages from the page.
// Return true if the message handling was overridden.
virtual bool OverrideHandleWebUIMessage(const GURL& source_url,
const std::string& message,
const base::ListValue& args);
// Called when RenderView is first created. This is *not* called for every
// page load because in some cases a RenderView will be reused. In those
// cases, RenderViewReused will be called instead.
virtual void RenderViewCreated(RenderViewHost* render_view_host) {}
// Called when a RenderView is reused to display a page.
virtual void RenderViewReused(RenderViewHost* render_view_host) {}
WebUI* web_ui() const { return web_ui_; }
private:
WebUI* web_ui_;
};
} // namespace content
#endif // CONTENT_PUBLIC_BROWSER_WEB_UI_CONTROLLER_H_
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