TaskbarTabPreview.h

Enable keyboard shortcuts

/* vim: se cin sw=2 ts=2 et : */

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#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 {

  virtual ~TaskbarTabPreview();

 public:

  TaskbarTabPreview(ITaskbarList4* aTaskbar,

                    nsITaskbarPreviewController* aController, HWND aHWND,

                    nsIDocShell* aShell);

  virtual nsresult Init() override;

  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__ */