layout/style/DeclarationBlock.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 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 #include "mozilla/DeclarationBlock.h"
   8
   9 #include "mozilla/css/Rule.h"
  10 #include "mozilla/ServoBindings.h"
  11
  12 #include "nsCSSProps.h"
  13 #include "nsIMemoryReporter.h"
  14
  15 namespace mozilla {
  16
  17 /* static */
  18 already_AddRefed<DeclarationBlock> DeclarationBlock::FromCssText(
  19     const nsAString& aCssText, URLExtraData* aExtraData, nsCompatibility aMode,
  20     css::Loader* aLoader) {
  21   NS_ConvertUTF16toUTF8 value(aCssText);
  22   RefPtr<RawServoDeclarationBlock> raw =
  23       Servo_ParseStyleAttribute(&value, aExtraData, aMode, aLoader).Consume();
  24   RefPtr<DeclarationBlock> decl = new DeclarationBlock(raw.forget());
  25   return decl.forget();
  26 }
  27
  28 MOZ_DEFINE_MALLOC_SIZE_OF(ServoDeclarationBlockMallocSizeOf)
  29 MOZ_DEFINE_MALLOC_ENCLOSING_SIZE_OF(ServoDeclarationBlockEnclosingSizeOf)
  30
  31 size_t DeclarationBlock::SizeofIncludingThis(MallocSizeOf aMallocSizeOf) {
  32   size_t n = aMallocSizeOf(this);
  33   n += Servo_DeclarationBlock_SizeOfIncludingThis(
  34       ServoDeclarationBlockMallocSizeOf, ServoDeclarationBlockEnclosingSizeOf,
  35       mRaw.get());
  36   return n;
  37 }
  38
  39 bool DeclarationBlock::OwnerIsReadOnly() const {
  40   css::Rule* rule = GetOwningRule();
  41   return rule && rule->IsReadOnly();
  42 }
  43
  44 }  // namespace mozilla