gecko-dev/layout/style/ServoMediaList.cpp

103 строки
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* representation of media lists for servo backend */
#include "mozilla/ServoMediaList.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/ServoStyleSet.h"
namespace mozilla {
already_AddRefed<dom::MediaList>
ServoMediaList::Clone()
{
RefPtr<ServoMediaList> clone =
new ServoMediaList(Servo_MediaList_DeepClone(mRawList).Consume());
return clone.forget();
}
ServoMediaList::ServoMediaList()
: mRawList(Servo_MediaList_Create().Consume())
{
}
ServoMediaList::ServoMediaList(const nsAString& aMedia,
dom::CallerType aCallerType)
: ServoMediaList()
{
SetTextInternal(aMedia, aCallerType);
}
void
ServoMediaList::GetText(nsAString& aMediaText)
{
Servo_MediaList_GetText(mRawList, &aMediaText);
}
void
ServoMediaList::SetText(const nsAString& aMediaText)
{
SetTextInternal(aMediaText, dom::CallerType::NonSystem);
}
void
ServoMediaList::SetTextInternal(const nsAString& aMediaText,
dom::CallerType aCallerType)
{
NS_ConvertUTF16toUTF8 mediaText(aMediaText);
Servo_MediaList_SetText(mRawList, &mediaText, aCallerType);
}
uint32_t
ServoMediaList::Length()
{
return Servo_MediaList_GetLength(mRawList);
}
void
ServoMediaList::IndexedGetter(uint32_t aIndex, bool& aFound,
nsAString& aReturn)
{
aFound = Servo_MediaList_GetMediumAt(mRawList, aIndex, &aReturn);
if (!aFound) {
SetDOMStringToNull(aReturn);
}
}
nsresult
ServoMediaList::Append(const nsAString& aNewMedium)
{
if (aNewMedium.IsEmpty()) {
return NS_ERROR_DOM_NOT_FOUND_ERR;
}
NS_ConvertUTF16toUTF8 newMedium(aNewMedium);
Servo_MediaList_AppendMedium(mRawList, &newMedium);
return NS_OK;
}
nsresult
ServoMediaList::Delete(const nsAString& aOldMedium)
{
NS_ConvertUTF16toUTF8 oldMedium(aOldMedium);
if (Servo_MediaList_DeleteMedium(mRawList, &oldMedium)) {
return NS_OK;
}
return NS_ERROR_DOM_NOT_FOUND_ERR;
}
bool
ServoMediaList::Matches(nsPresContext* aPresContext) const
{
const RawServoStyleSet* rawSet =
aPresContext->StyleSet()->RawSet();
MOZ_ASSERT(rawSet, "The RawServoStyleSet should be valid!");
return Servo_MediaList_Matches(mRawList, rawSet);
}
} // namespace mozilla