81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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/. */
|
|
|
|
#include "mozilla/dom/FontFaceSetIterator.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION(FontFaceSetIterator, mFontFaceSet)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(FontFaceSetIterator, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(FontFaceSetIterator, Release)
|
|
|
|
FontFaceSetIterator::FontFaceSetIterator(FontFaceSet* aFontFaceSet,
|
|
bool aIsKeyAndValue)
|
|
: mFontFaceSet(aFontFaceSet)
|
|
, mNextIndex(0)
|
|
, mIsKeyAndValue(aIsKeyAndValue)
|
|
{
|
|
MOZ_COUNT_CTOR(FontFaceSetIterator);
|
|
}
|
|
|
|
FontFaceSetIterator::~FontFaceSetIterator()
|
|
{
|
|
MOZ_COUNT_DTOR(FontFaceSetIterator);
|
|
}
|
|
|
|
bool
|
|
FontFaceSetIterator::WrapObject(JSContext* aCx,
|
|
JS::Handle<JSObject*> aGivenProto,
|
|
JS::MutableHandle<JSObject*> aReflector)
|
|
{
|
|
return FontFaceSetIteratorBinding::Wrap(aCx, this, aGivenProto, aReflector);
|
|
}
|
|
|
|
void
|
|
FontFaceSetIterator::Next(JSContext* aCx, FontFaceSetIteratorResult& aResult,
|
|
ErrorResult& aRv)
|
|
{
|
|
if (!mFontFaceSet) {
|
|
aResult.mDone = true;
|
|
return;
|
|
}
|
|
|
|
FontFace* face = mFontFaceSet->GetFontFaceAt(mNextIndex++);
|
|
|
|
if (!face) {
|
|
aResult.mValue.setUndefined();
|
|
aResult.mDone = true;
|
|
mFontFaceSet = nullptr;
|
|
return;
|
|
}
|
|
|
|
JS::Rooted<JS::Value> value(aCx);
|
|
if (!ToJSValue(aCx, face, &value)) {
|
|
aRv.Throw(NS_ERROR_FAILURE);
|
|
return;
|
|
}
|
|
|
|
if (mIsKeyAndValue) {
|
|
JS::AutoValueArray<2> values(aCx);
|
|
values[0].set(value);
|
|
values[1].set(value);
|
|
|
|
JS::Rooted<JSObject*> array(aCx);
|
|
array = JS_NewArrayObject(aCx, values);
|
|
if (array) {
|
|
aResult.mValue.setObject(*array);
|
|
}
|
|
} else {
|
|
aResult.mValue = value;
|
|
}
|
|
|
|
aResult.mDone = false;
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|