layout/style/nsDOMCSSRect.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
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 /* DOM object representing rectangle values in DOM computed style */
   7
   8 #include "mozilla/dom/RectBinding.h"
   9 #include "nsROCSSPrimitiveValue.h"
  10 #include "nsDOMCSSRect.h"
  11
  12 using namespace mozilla;
  13
  14 nsDOMCSSRect::nsDOMCSSRect(nsROCSSPrimitiveValue* aTop,
  15                            nsROCSSPrimitiveValue* aRight,
  16                            nsROCSSPrimitiveValue* aBottom,
  17                            nsROCSSPrimitiveValue* aLeft)
  18   : mTop(aTop), mRight(aRight), mBottom(aBottom), mLeft(aLeft)
  19 {
  20 }
  21
  22 nsDOMCSSRect::~nsDOMCSSRect(void)
  23 {
  24 }
  25
  26 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCSSRect)
  27   NS_INTERFACE_MAP_ENTRY(nsIDOMRect)
  28   NS_INTERFACE_MAP_ENTRY(nsISupports)
  29   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  30 NS_INTERFACE_MAP_END
  31
  32 NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCSSRect)
  33 NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCSSRect)
  34
  35 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(nsDOMCSSRect, mTop, mBottom, mLeft, mRight)
  36
  37 JSObject*
  38 nsDOMCSSRect::WrapObject(JSContext* cx)
  39 {
  40  return dom::RectBinding::Wrap(cx, this);
  41 }
  42
  43 NS_IMETHODIMP
  44 nsDOMCSSRect::GetTop(nsIDOMCSSPrimitiveValue** aTop)
  45 {
  46   NS_ENSURE_TRUE(mTop, NS_ERROR_NOT_INITIALIZED);
  47   *aTop = mTop;
  48   NS_ADDREF(*aTop);
  49   return NS_OK;
  50 }
  51
  52 NS_IMETHODIMP
  53 nsDOMCSSRect::GetRight(nsIDOMCSSPrimitiveValue** aRight)
  54 {
  55   NS_ENSURE_TRUE(mRight, NS_ERROR_NOT_INITIALIZED);
  56   *aRight = mRight;
  57   NS_ADDREF(*aRight);
  58   return NS_OK;
  59 }
  60
  61 NS_IMETHODIMP
  62 nsDOMCSSRect::GetBottom(nsIDOMCSSPrimitiveValue** aBottom)
  63 {
  64   NS_ENSURE_TRUE(mBottom, NS_ERROR_NOT_INITIALIZED);
  65   *aBottom = mBottom;
  66   NS_ADDREF(*aBottom);
  67   return NS_OK;
  68 }
  69
  70 NS_IMETHODIMP
  71 nsDOMCSSRect::GetLeft(nsIDOMCSSPrimitiveValue** aLeft)
  72 {
  73   NS_ENSURE_TRUE(mLeft, NS_ERROR_NOT_INITIALIZED);
  74   *aLeft = mLeft;
  75   NS_ADDREF(*aLeft);
  76   return NS_OK;
  77 }