michael@0: /* vim: se cin sw=2 ts=2 et : */
michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef __mozilla_widget_TaskbarTabPreview_h__
michael@0: #define __mozilla_widget_TaskbarTabPreview_h__
michael@0: 
michael@0: #include "nsITaskbarTabPreview.h"
michael@0: #include "TaskbarPreview.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace widget {
michael@0: 
michael@0: class TaskbarTabPreview : public nsITaskbarTabPreview,
michael@0:                           public TaskbarPreview
michael@0: {
michael@0: public:
michael@0:   TaskbarTabPreview(ITaskbarList4 *aTaskbar, nsITaskbarPreviewController *aController, HWND aHWND, nsIDocShell *aShell);
michael@0:   virtual ~TaskbarTabPreview();
michael@0: 
michael@0:   NS_DECL_ISUPPORTS
michael@0:   NS_DECL_NSITASKBARTABPREVIEW
michael@0:   NS_FORWARD_NSITASKBARPREVIEW(TaskbarPreview::)
michael@0: 
michael@0: private:
michael@0:   virtual nsresult ShowActive(bool active);
michael@0:   virtual HWND &PreviewWindow();
michael@0:   virtual LRESULT WndProc(UINT nMsg, WPARAM wParam, LPARAM lParam);
michael@0:   static LRESULT CALLBACK GlobalWndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam);
michael@0: 
michael@0:   virtual nsresult UpdateTaskbarProperties();
michael@0:   virtual nsresult Enable();
michael@0:   virtual nsresult Disable();
michael@0:   virtual void DetachFromNSWindow();
michael@0: 
michael@0:   // WindowHook procedure for hooking mWnd
michael@0:   static bool MainWindowHook(void *aContext,
michael@0:                                HWND hWnd, UINT nMsg,
michael@0:                                WPARAM wParam, LPARAM lParam,
michael@0:                                LRESULT *aResult);
michael@0: 
michael@0:   // Bug 520807 - we need to update the proxy window style based on the main
michael@0:   // window's style to workaround a bug with the way the DWM displays the
michael@0:   // previews.
michael@0:   void UpdateProxyWindowStyle();
michael@0: 
michael@0:   nsresult UpdateTitle();
michael@0:   nsresult UpdateIcon();
michael@0:   nsresult UpdateNext();
michael@0: 
michael@0:   // Handle to the toplevel proxy window
michael@0:   HWND                    mProxyWindow;
michael@0:   nsString                mTitle;
michael@0:   nsCOMPtr<imgIContainer> mIconImage;
michael@0:   // Cached Windows icon of mIconImage
michael@0:   HICON                   mIcon;
michael@0:   // Preview that follows this preview in the taskbar (left-to-right order)
michael@0:   nsCOMPtr<nsITaskbarTabPreview> mNext;
michael@0:   // True if this preview has been registered with the taskbar
michael@0:   bool                    mRegistered;
michael@0: };
michael@0: 
michael@0: } // namespace widget
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif /* __mozilla_widget_TaskbarTabPreview_h__ */