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 : public mozilla::Runnable {
  20  public:
  21   AsyncColorChooser(COLORREF aInitialColor, nsIWidget* aParentWidget,
  22                     nsIColorPickerShownCallback* aCallback);
  23   NS_IMETHOD Run() override;
  24
  25  private:
  26   void Update(COLORREF aColor);
  27
  28   static UINT_PTR CALLBACK HookProc(HWND aDialog, UINT aMsg, WPARAM aWParam,
  29                                     LPARAM aLParam);
  30
  31   COLORREF mInitialColor;
  32   COLORREF mColor;
  33   nsCOMPtr<nsIWidget> mParentWidget;
  34   nsCOMPtr<nsIColorPickerShownCallback> mCallback;
  35 };
  36
  37 class nsColorPicker : public nsIColorPicker {
  38   virtual ~nsColorPicker();
  39
  40  public:
  41   nsColorPicker();
  42
  43   NS_DECL_ISUPPORTS
  44
  45   NS_IMETHOD Init(mozIDOMWindowProxy* parent, const nsAString& title,
  46                   const nsAString& aInitialColor) override;
  47   NS_IMETHOD Open(nsIColorPickerShownCallback* aCallback) override;
  48
  49  private:
  50   COLORREF mInitialColor;
  51   nsCOMPtr<nsIWidget> mParentWidget;
  52 };
  53
  54 #endif  // nsColorPicker_h__