// Copyright (c) 2012 Marshall A. Greenblatt. 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 name Chromium Embedded
// Framework 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.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//

#ifndef CEF_INCLUDE_CEF_DISPLAY_HANDLER_H_
#define CEF_INCLUDE_CEF_DISPLAY_HANDLER_H_
#pragma once

#include "include/cef_base.h"
#include "include/cef_browser.h"
#include "include/cef_frame.h"

///
// Implement this interface to handle events related to browser display state.
// The methods of this class will be called on the UI thread.
///
/*--cef(source=client)--*/
class CefDisplayHandler : public virtual CefBaseRefCounted {
 public:
 ///
 // Called when a frame's address has changed.
 ///
 /*--cef()--*/
 virtual void OnAddressChange(CefRefPtr<CefBrowser> browser,
 CefRefPtr<CefFrame> frame,
 const CefString& url) {}

 ///
 // Called when the page title changes.
 ///
 /*--cef(optional_param=title)--*/
 virtual void OnTitleChange(CefRefPtr<CefBrowser> browser,
 const CefString& title) {}

 ///
 // Called when the page icon changes.
 ///
 /*--cef(optional_param=icon_urls)--*/
 virtual void OnFaviconURLChange(CefRefPtr<CefBrowser> browser,
 const std::vector<CefString>& icon_urls) {}

 ///
 // Called when web content in the page has toggled fullscreen mode. If
 // |fullscreen| is true the content will automatically be sized to fill the
 // browser content area. If |fullscreen| is false the content will
 // automatically return to its original size and position. The client is
 // responsible for resizing the browser if desired.
 ///
 /*--cef()--*/
 virtual void OnFullscreenModeChange(CefRefPtr<CefBrowser> browser,
 bool fullscreen) {}

 ///
 // Called when the browser is about to display a tooltip. |text| contains the
 // text that will be displayed in the tooltip. To handle the display of the
 // tooltip yourself return true. Otherwise, you can optionally modify |text|
 // and then return false to allow the browser to display the tooltip.
 // When window rendering is disabled the application is responsible for
 // drawing tooltips and the return value is ignored.
 ///
 /*--cef(optional_param=text)--*/
 virtual bool OnTooltip(CefRefPtr<CefBrowser> browser, CefString& text) {
 return false;
 }

 ///
 // Called when the browser receives a status message. |value| contains the
 // text that will be displayed in the status message.
 ///
 /*--cef(optional_param=value)--*/
 virtual void OnStatusMessage(CefRefPtr<CefBrowser> browser,
 const CefString& value) {}

 ///
 // Called to display a console message. Return true to stop the message from
 // being output to the console.
 ///
 /*--cef(optional_param=message,optional_param=source)--*/
 virtual bool OnConsoleMessage(CefRefPtr<CefBrowser> browser,
 cef_log_severity_t level,
 const CefString& message,
 const CefString& source,
 int line) {
 return false;
 }

 ///
 // Called when auto-resize is enabled via CefBrowserHost::SetAutoResizeEnabled
 // and the contents have auto-resized. |new_size| will be the desired size in
 // view coordinates. Return true if the resize was handled or false for
 // default handling.
 ///
 /*--cef()--*/
 virtual bool OnAutoResize(CefRefPtr<CefBrowser> browser,
 const CefSize& new_size) {
 return false;
 }

 ///
 // Called when the overall page loading progress has changed. |progress|
 // ranges from 0.0 to 1.0.
 ///
 /*--cef()--*/
 virtual void OnLoadingProgressChange(CefRefPtr<CefBrowser> browser,
 double progress) {}
};

#endif // CEF_INCLUDE_CEF_DISPLAY_HANDLER_H_