layout/base/nsDisplayListInvalidation.cpp

   1 /*-*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   4  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "nsDisplayListInvalidation.h"
   7 #include "nsDisplayList.h"
   8 #include "nsIFrame.h"
   9
  10 nsDisplayItemGeometry::nsDisplayItemGeometry(nsDisplayItem* aItem, nsDisplayListBuilder* aBuilder)
  11 {
  12   MOZ_COUNT_CTOR(nsDisplayItemGeometry);
  13   bool snap;
  14   mBounds = aItem->GetBounds(aBuilder, &snap);
  15 }
  16
  17 nsDisplayItemGeometry::~nsDisplayItemGeometry()
  18 {
  19   MOZ_COUNT_DTOR(nsDisplayItemGeometry);
  20 }
  21
  22 nsDisplayItemGenericGeometry::nsDisplayItemGenericGeometry(nsDisplayItem* aItem, nsDisplayListBuilder* aBuilder)
  23   : nsDisplayItemGeometry(aItem, aBuilder)
  24   , mBorderRect(aItem->GetBorderRect())
  25 {}
  26
  27 void
  28 nsDisplayItemGenericGeometry::MoveBy(const nsPoint& aOffset)
  29 {
  30   nsDisplayItemGeometry::MoveBy(aOffset);
  31   mBorderRect.MoveBy(aOffset);
  32 }
  33
  34 nsDisplayItemBoundsGeometry::nsDisplayItemBoundsGeometry(nsDisplayItem* aItem, nsDisplayListBuilder* aBuilder)
  35   : nsDisplayItemGeometry(aItem, aBuilder)
  36 {
  37   nscoord radii[8];
  38   mHasRoundedCorners = aItem->Frame()->GetBorderRadii(radii);
  39 }
  40
  41 nsDisplayBorderGeometry::nsDisplayBorderGeometry(nsDisplayItem* aItem, nsDisplayListBuilder* aBuilder)
  42   : nsDisplayItemGeometry(aItem, aBuilder)
  43   , mContentRect(aItem->GetContentRect())
  44 {}
  45
  46 void
  47 nsDisplayBorderGeometry::MoveBy(const nsPoint& aOffset)
  48 {
  49   nsDisplayItemGeometry::MoveBy(aOffset);
  50   mContentRect.MoveBy(aOffset);
  51 }
  52
  53 nsDisplayBackgroundGeometry::nsDisplayBackgroundGeometry(nsDisplayBackgroundImage* aItem,
  54                                                          nsDisplayListBuilder* aBuilder)
  55   : nsDisplayItemGeometry(aItem, aBuilder)
  56   , mPositioningArea(aItem->GetPositioningArea())
  57 {}
  58
  59 void
  60 nsDisplayBackgroundGeometry::MoveBy(const nsPoint& aOffset)
  61 {
  62   nsDisplayItemGeometry::MoveBy(aOffset);
  63   mPositioningArea.MoveBy(aOffset);
  64 }
  65
  66 nsDisplayThemedBackgroundGeometry::nsDisplayThemedBackgroundGeometry(nsDisplayThemedBackground* aItem,
  67                                                                      nsDisplayListBuilder* aBuilder)
  68   : nsDisplayItemGeometry(aItem, aBuilder)
  69   , mPositioningArea(aItem->GetPositioningArea())
  70   , mWindowIsActive(aItem->IsWindowActive())
  71 {}
  72
  73 void
  74 nsDisplayThemedBackgroundGeometry::MoveBy(const nsPoint& aOffset)
  75 {
  76   nsDisplayItemGeometry::MoveBy(aOffset);
  77   mPositioningArea.MoveBy(aOffset);
  78 }
  79
  80 nsDisplayBoxShadowInnerGeometry::nsDisplayBoxShadowInnerGeometry(nsDisplayItem* aItem, nsDisplayListBuilder* aBuilder)
  81   : nsDisplayItemGeometry(aItem, aBuilder)
  82   , mPaddingRect(aItem->GetPaddingRect())
  83 {}
  84
  85 void
  86 nsDisplayBoxShadowInnerGeometry::MoveBy(const nsPoint& aOffset)
  87 {
  88   nsDisplayItemGeometry::MoveBy(aOffset);
  89   mPaddingRect.MoveBy(aOffset);
  90 }
  91
  92 nsDisplayBoxShadowOuterGeometry::nsDisplayBoxShadowOuterGeometry(nsDisplayItem* aItem,
  93     nsDisplayListBuilder* aBuilder, float aOpacity)
  94   : nsDisplayItemGenericGeometry(aItem, aBuilder)
  95   , mOpacity(aOpacity)
  96 {}
  97
  98 nsDisplaySVGEffectsGeometry::nsDisplaySVGEffectsGeometry(nsDisplaySVGEffects* aItem, nsDisplayListBuilder* aBuilder)
  99   : nsDisplayItemGeometry(aItem, aBuilder)
 100   , mBBox(aItem->BBoxInUserSpace())
 101   , mUserSpaceOffset(aItem->UserSpaceOffset())
 102   , mFrameOffsetToReferenceFrame(aItem->ToReferenceFrame())
 103 {}
 104
 105 void
 106 nsDisplaySVGEffectsGeometry::MoveBy(const nsPoint& aOffset)
 107 {
 108   mBounds.MoveBy(aOffset);
 109   mFrameOffsetToReferenceFrame += aOffset;
 110 }