summaryrefslogtreecommitdiffstats
path: root/layout/style/FontFaceSetIterator.cpp
diff options
context:
space:
mode:
authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/style/FontFaceSetIterator.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
downloadUXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz
UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip
Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/style/FontFaceSetIterator.cpp')
-rw-r--r--layout/style/FontFaceSetIterator.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/layout/style/FontFaceSetIterator.cpp b/layout/style/FontFaceSetIterator.cpp
new file mode 100644
index 000000000..74997eb1a
--- /dev/null
+++ b/layout/style/FontFaceSetIterator.cpp
@@ -0,0 +1,80 @@
+/* -*- 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