gecko-dev/widget/windows/TaskbarTabPreview.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Rob Arnold <tellrob@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef __mozilla_widget_TaskbarTabPreview_h__
#define __mozilla_widget_TaskbarTabPreview_h__
#include "nsITaskbarTabPreview.h"
#include "TaskbarPreview.h"
namespace mozilla {
namespace widget {
class TaskbarTabPreview : public nsITaskbarTabPreview,
public TaskbarPreview
{
public:
TaskbarTabPreview(ITaskbarList4 *aTaskbar, nsITaskbarPreviewController *aController, HWND aHWND, nsIDocShell *aShell);
virtual ~TaskbarTabPreview();
NS_DECL_ISUPPORTS
NS_DECL_NSITASKBARTABPREVIEW
NS_FORWARD_NSITASKBARPREVIEW(TaskbarPreview::)
private:
virtual nsresult ShowActive(bool active);
virtual HWND &PreviewWindow();
virtual LRESULT WndProc(UINT nMsg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK GlobalWndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam);
virtual nsresult UpdateTaskbarProperties();
virtual nsresult Enable();
virtual nsresult Disable();
virtual void DetachFromNSWindow();
// WindowHook procedure for hooking mWnd
static bool MainWindowHook(void *aContext,
HWND hWnd, UINT nMsg,
WPARAM wParam, LPARAM lParam,
LRESULT *aResult);
// Bug 520807 - we need to update the proxy window style based on the main
// window's style to workaround a bug with the way the DWM displays the
// previews.
void UpdateProxyWindowStyle();
nsresult UpdateTitle();
nsresult UpdateIcon();
nsresult UpdateNext();
// Handle to the toplevel proxy window
HWND mProxyWindow;
nsString mTitle;
nsCOMPtr<imgIContainer> mIconImage;
// Cached Windows icon of mIconImage
HICON mIcon;
// Preview that follows this preview in the taskbar (left-to-right order)
nsCOMPtr<nsITaskbarTabPreview> mNext;
// True if this preview has been registered with the taskbar
bool mRegistered;
};
} // namespace widget
} // namespace mozilla
#endif /* __mozilla_widget_TaskbarTabPreview_h__ */