widget/windows/nsColorPicker.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsColorPicker_h__
   8 #define nsColorPicker_h__
   9
  10 #include <windows.h>
  11 #include <commdlg.h>
  12
  13 #include "nsCOMPtr.h"
  14 #include "nsIColorPicker.h"
  15 #include "nsThreadUtils.h"
  16
  17 class nsIWidget;
  18
  19 class AsyncColorChooser :
  20   public nsRunnable
  21 {
  22 public:
  23   AsyncColorChooser(COLORREF aInitialColor,
  24                     nsIWidget* aParentWidget,
  25                     nsIColorPickerShownCallback* aCallback);
  26   NS_IMETHOD Run() MOZ_OVERRIDE;
  27
  28 private:
  29   void Update(COLORREF aColor);
  30
  31   static UINT_PTR CALLBACK HookProc(HWND aDialog, UINT aMsg,
  32                                     WPARAM aWParam, LPARAM aLParam);
  33
  34   COLORREF mInitialColor;
  35   COLORREF mColor;
  36   nsCOMPtr<nsIWidget> mParentWidget;
  37   nsCOMPtr<nsIColorPickerShownCallback> mCallback;
  38 };
  39
  40 class nsColorPicker :
  41   public nsIColorPicker
  42 {
  43   virtual ~nsColorPicker();
  44
  45 public:
  46   nsColorPicker();
  47
  48   NS_DECL_ISUPPORTS
  49
  50   NS_IMETHOD Init(nsIDOMWindow* parent, const nsAString& title,
  51                   const nsAString& aInitialColor);
  52   NS_IMETHOD Open(nsIColorPickerShownCallback* aCallback);
  53
  54 private:
  55   COLORREF mInitialColor;
  56   nsCOMPtr<nsIWidget> mParentWidget;
  57 };
  58
  59 #endif // nsColorPicker_h__