widget/ScreenProxy.h

   1 /* -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- */
   2 /* vim: set sw=4 ts=8 et tw=80 : */
   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 mozilla_widget_ScreenProxy_h
   8 #define mozilla_widget_ScreenProxy_h
   9
  10 #include "nsBaseScreen.h"
  11 #include "mozilla/dom/PScreenManagerChild.h"
  12 #include "mozilla/dom/TabChild.h"
  13
  14 class nsScreenManagerProxy;
  15
  16 namespace mozilla {
  17 namespace widget {
  18
  19 class ScreenProxy : public nsBaseScreen
  20 {
  21 public:
  22     ScreenProxy(nsScreenManagerProxy* aScreenManager,
  23                 mozilla::dom::ScreenDetails aDetails);
  24     ~ScreenProxy() {};
  25
  26     NS_IMETHOD GetId(uint32_t* aId) MOZ_OVERRIDE;
  27
  28     NS_IMETHOD GetRect(int32_t* aLeft,
  29                        int32_t* aTop,
  30                        int32_t* aWidth,
  31                        int32_t* aHeight) MOZ_OVERRIDE;
  32     NS_IMETHOD GetRectDisplayPix(int32_t* aLeft,
  33                                  int32_t* aTop,
  34                                  int32_t* aWidth,
  35                                  int32_t* aHeight) MOZ_OVERRIDE;
  36     NS_IMETHOD GetAvailRect(int32_t* aLeft,
  37                             int32_t* aTop,
  38                             int32_t* aWidth,
  39                             int32_t* aHeight) MOZ_OVERRIDE;
  40     NS_IMETHOD GetAvailRectDisplayPix(int32_t* aLeft,
  41                                       int32_t* aTop,
  42                                       int32_t* aWidth,
  43                                       int32_t* aHeight) MOZ_OVERRIDE;
  44     NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth) MOZ_OVERRIDE;
  45     NS_IMETHOD GetColorDepth(int32_t* aColorDepth) MOZ_OVERRIDE;
  46
  47 private:
  48
  49     void PopulateByDetails(mozilla::dom::ScreenDetails aDetails);
  50     bool EnsureCacheIsValid();
  51     void InvalidateCacheOnNextTick();
  52     void InvalidateCache();
  53
  54     double mContentsScaleFactor;
  55     nsRefPtr<nsScreenManagerProxy> mScreenManager;
  56     uint32_t mId;
  57     int32_t mPixelDepth;
  58     int32_t mColorDepth;
  59     nsIntRect mRect;
  60     nsIntRect mRectDisplayPix;
  61     nsIntRect mAvailRect;
  62     nsIntRect mAvailRectDisplayPix;
  63     bool mCacheValid;
  64     bool mCacheWillInvalidate;
  65 };
  66
  67 } // namespace widget
  68 } // namespace mozilla
  69 #endif
  70