widget/windows/TaskbarWindowPreview.h

   1 /* vim: se cin sw=2 ts=2 et : */
   2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   3  *
   4  * This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef __mozilla_widget_TaskbarWindowPreview_h__
   9 #define __mozilla_widget_TaskbarWindowPreview_h__
  10
  11 #include "nsITaskbarWindowPreview.h"
  12 #include "nsITaskbarProgress.h"
  13 #include "nsITaskbarOverlayIconController.h"
  14 #include "TaskbarPreview.h"
  15 #include "nsWeakReference.h"
  16
  17 namespace mozilla {
  18 namespace widget {
  19
  20 class TaskbarPreviewButton;
  21 class TaskbarWindowPreview : public TaskbarPreview,
  22                              public nsITaskbarWindowPreview,
  23                              public nsITaskbarProgress,
  24                              public nsITaskbarOverlayIconController,
  25                              public nsSupportsWeakReference {
  26   virtual ~TaskbarWindowPreview();
  27
  28  public:
  29   TaskbarWindowPreview(ITaskbarList4* aTaskbar,
  30                        nsITaskbarPreviewController* aController, HWND aHWND,
  31                        nsIDocShell* aShell);
  32   virtual nsresult Init() override;
  33
  34   NS_DECL_ISUPPORTS
  35   NS_DECL_NSITASKBARWINDOWPREVIEW
  36   NS_DECL_NSITASKBARPROGRESS
  37   NS_DECL_NSITASKBAROVERLAYICONCONTROLLER
  38   NS_FORWARD_NSITASKBARPREVIEW(TaskbarPreview::)
  39
  40   virtual LRESULT WndProc(UINT nMsg, WPARAM wParam, LPARAM lParam) override;
  41
  42  private:
  43   virtual nsresult ShowActive(bool active) override;
  44   virtual HWND& PreviewWindow() override;
  45
  46   virtual nsresult UpdateTaskbarProperties() override;
  47   virtual nsresult Enable() override;
  48   virtual nsresult Disable() override;
  49   virtual void DetachFromNSWindow() override;
  50   nsresult UpdateButton(uint32_t index);
  51   nsresult UpdateButtons();
  52
  53   // Is custom drawing enabled?
  54   bool mCustomDrawing;
  55   // Have we made any buttons?
  56   bool mHaveButtons;
  57   // Windows button format
  58   THUMBBUTTON mThumbButtons[nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS];
  59   // Pointers to our button class (cached instances)
  60   nsWeakPtr mWeakButtons[nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS];
  61
  62   // Called to update ITaskbarList4 dependent properties
  63   nsresult UpdateTaskbarProgress();
  64   nsresult UpdateOverlayIcon();
  65
  66   // The taskbar progress
  67   TBPFLAG mState;
  68   ULONGLONG mCurrentValue;
  69   ULONGLONG mMaxValue;
  70
  71   // Taskbar overlay icon
  72   HICON mOverlayIcon;
  73   nsString mIconDescription;
  74
  75   // WindowHook procedure for hooking mWnd for taskbar progress and icon stuff
  76   static bool TaskbarWindowHook(void* aContext, HWND hWnd, UINT nMsg,
  77                                 WPARAM wParam, LPARAM lParam, LRESULT* aResult);
  78
  79   friend class TaskbarPreviewButton;
  80 };
  81
  82 }  // namespace widget
  83 }  // namespace mozilla
  84
  85 #endif /* __mozilla_widget_TaskbarWindowPreview_h__ */