layout/style/nsDOMCSSValueList.cpp@97036ab72558 (annotated)
layout/style/nsDOMCSSValueList.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | /* DOM object representing lists of values in DOM computed style */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "nsDOMCSSValueList.h" |
| michael@0 | 8 | #include "mozilla/dom/CSSValueListBinding.h" |
| michael@0 | 9 | #include "nsAutoPtr.h" |
| michael@0 | 10 | |
| michael@0 | 11 | using namespace mozilla; |
| michael@0 | 12 | |
| michael@0 | 13 | nsDOMCSSValueList::nsDOMCSSValueList(bool aCommaDelimited, bool aReadonly) |
| michael@0 | 14 | : CSSValue(), mCommaDelimited(aCommaDelimited), mReadonly(aReadonly) |
| michael@0 | 15 | { |
| michael@0 | 16 | SetIsDOMBinding(); |
| michael@0 | 17 | } |
| michael@0 | 18 | |
| michael@0 | 19 | nsDOMCSSValueList::~nsDOMCSSValueList() |
| michael@0 | 20 | { |
| michael@0 | 21 | } |
| michael@0 | 22 | |
| michael@0 | 23 | NS_IMPL_CYCLE_COLLECTING_ADDREF(nsDOMCSSValueList) |
| michael@0 | 24 | NS_IMPL_CYCLE_COLLECTING_RELEASE(nsDOMCSSValueList) |
| michael@0 | 25 | |
| michael@0 | 26 | // QueryInterface implementation for nsDOMCSSValueList |
| michael@0 | 27 | NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsDOMCSSValueList) |
| michael@0 | 28 | NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY |
| michael@0 | 29 | NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValue) |
| michael@0 | 30 | NS_INTERFACE_MAP_ENTRY(nsIDOMCSSValueList) |
| michael@0 | 31 | NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, CSSValue) |
| michael@0 | 32 | NS_INTERFACE_MAP_END |
| michael@0 | 33 | |
| michael@0 | 34 | NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(nsDOMCSSValueList, mCSSValues) |
| michael@0 | 35 | |
| michael@0 | 36 | JSObject* |
| michael@0 | 37 | nsDOMCSSValueList::WrapObject(JSContext *cx) |
| michael@0 | 38 | { |
| michael@0 | 39 | return dom::CSSValueListBinding::Wrap(cx, this); |
| michael@0 | 40 | } |
| michael@0 | 41 | |
| michael@0 | 42 | void |
| michael@0 | 43 | nsDOMCSSValueList::AppendCSSValue(CSSValue* aValue) |
| michael@0 | 44 | { |
| michael@0 | 45 | mCSSValues.AppendElement(aValue); |
| michael@0 | 46 | } |
| michael@0 | 47 | |
| michael@0 | 48 | // nsIDOMCSSValue |
| michael@0 | 49 | |
| michael@0 | 50 | NS_IMETHODIMP |
| michael@0 | 51 | nsDOMCSSValueList::GetCssText(nsAString& aCssText) |
| michael@0 | 52 | { |
| michael@0 | 53 | aCssText.Truncate(); |
| michael@0 | 54 | |
| michael@0 | 55 | uint32_t count = mCSSValues.Length(); |
| michael@0 | 56 | |
| michael@0 | 57 | nsAutoString separator; |
| michael@0 | 58 | if (mCommaDelimited) { |
| michael@0 | 59 | separator.AssignLiteral(", "); |
| michael@0 | 60 | } |
| michael@0 | 61 | else { |
| michael@0 | 62 | separator.Assign(char16_t(' ')); |
| michael@0 | 63 | } |
| michael@0 | 64 | |
| michael@0 | 65 | nsAutoString tmpStr; |
| michael@0 | 66 | for (uint32_t i = 0; i < count; ++i) { |
| michael@0 | 67 | CSSValue *cssValue = mCSSValues[i]; |
| michael@0 | 68 | NS_ASSERTION(cssValue, "Eek! Someone filled the value list with null CSSValues!"); |
| michael@0 | 69 | ErrorResult dummy; |
| michael@0 | 70 | if (cssValue) { |
| michael@0 | 71 | cssValue->GetCssText(tmpStr, dummy); |
| michael@0 | 72 | |
| michael@0 | 73 | if (tmpStr.IsEmpty()) { |
| michael@0 | 74 | |
| michael@0 | 75 | #ifdef DEBUG_caillon |
| michael@0 | 76 | NS_ERROR("Eek! An empty CSSValue! Bad!"); |
| michael@0 | 77 | #endif |
| michael@0 | 78 | |
| michael@0 | 79 | continue; |
| michael@0 | 80 | } |
| michael@0 | 81 | |
| michael@0 | 82 | // If this isn't the first item in the list, then |
| michael@0 | 83 | // it's ok to append a separator. |
| michael@0 | 84 | if (!aCssText.IsEmpty()) { |
| michael@0 | 85 | aCssText.Append(separator); |
| michael@0 | 86 | } |
| michael@0 | 87 | aCssText.Append(tmpStr); |
| michael@0 | 88 | } |
| michael@0 | 89 | } |
| michael@0 | 90 | |
| michael@0 | 91 | return NS_OK; |
| michael@0 | 92 | } |
| michael@0 | 93 | |
| michael@0 | 94 | void |
| michael@0 | 95 | nsDOMCSSValueList::GetCssText(nsString& aText, ErrorResult& aRv) |
| michael@0 | 96 | { |
| michael@0 | 97 | aRv = GetCssText(aText); |
| michael@0 | 98 | } |
| michael@0 | 99 | |
| michael@0 | 100 | NS_IMETHODIMP |
| michael@0 | 101 | nsDOMCSSValueList::SetCssText(const nsAString& aCssText) |
| michael@0 | 102 | { |
| michael@0 | 103 | if (mReadonly) { |
| michael@0 | 104 | return NS_ERROR_DOM_NO_MODIFICATION_ALLOWED_ERR; |
| michael@0 | 105 | } |
| michael@0 | 106 | |
| michael@0 | 107 | NS_NOTYETIMPLEMENTED("Can't SetCssText yet: please write me!"); |
| michael@0 | 108 | return NS_OK; |
| michael@0 | 109 | } |
| michael@0 | 110 | |
| michael@0 | 111 | void |
| michael@0 | 112 | nsDOMCSSValueList::SetCssText(const nsAString& aText, ErrorResult& aRv) |
| michael@0 | 113 | { |
| michael@0 | 114 | aRv = SetCssText(aText); |
| michael@0 | 115 | } |
| michael@0 | 116 | |
| michael@0 | 117 | NS_IMETHODIMP |
| michael@0 | 118 | nsDOMCSSValueList::GetCssValueType(uint16_t* aValueType) |
| michael@0 | 119 | { |
| michael@0 | 120 | NS_ENSURE_ARG_POINTER(aValueType); |
| michael@0 | 121 | *aValueType = nsIDOMCSSValue::CSS_VALUE_LIST; |
| michael@0 | 122 | return NS_OK; |
| michael@0 | 123 | } |
| michael@0 | 124 | |
| michael@0 | 125 | uint16_t |
| michael@0 | 126 | nsDOMCSSValueList::CssValueType() const |
| michael@0 | 127 | { |
| michael@0 | 128 | return nsIDOMCSSValue::CSS_VALUE_LIST; |
| michael@0 | 129 | } |
