mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
9c5965b035
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* implements DOM interface for querying and observing media queries */
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#ifndef mozilla_dom_MediaQueryList_h
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#define mozilla_dom_MediaQueryList_h
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#include "nsISupports.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsAutoPtr.h"
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#include "nsCOMPtr.h"
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#include "nsTArray.h"
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#include "prclist.h"
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#include "mozilla/Attributes.h"
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#include "nsWrapperCache.h"
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#include "mozilla/dom/MediaQueryListBinding.h"
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class nsIDocument;
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class nsMediaList;
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namespace mozilla {
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namespace dom {
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class MediaQueryList final : public nsISupports,
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public nsWrapperCache,
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public PRCList
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{
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public:
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// The caller who constructs is responsible for calling Evaluate
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// before calling any other methods.
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MediaQueryList(nsIDocument *aDocument,
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const nsAString &aMediaQueryList);
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private:
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~MediaQueryList();
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(MediaQueryList)
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nsISupports* GetParentObject() const;
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struct HandleChangeData {
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RefPtr<MediaQueryList> mql;
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RefPtr<mozilla::dom::MediaQueryListListener> callback;
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};
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// Appends listeners that need notification to aListenersToNotify
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void MediumFeaturesChanged(nsTArray<HandleChangeData>& aListenersToNotify);
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bool HasListeners() const { return !mCallbacks.IsEmpty(); }
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void RemoveAllListeners();
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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// WebIDL methods
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void GetMedia(nsAString& aMedia);
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bool Matches();
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void AddListener(mozilla::dom::MediaQueryListListener& aListener);
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void RemoveListener(mozilla::dom::MediaQueryListListener& aListener);
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private:
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void RecomputeMatches();
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// We only need a pointer to the document to support lazy
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// reevaluation following dynamic changes. However, this lazy
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// reevaluation is perhaps somewhat important, since some usage
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// patterns may involve the creation of large numbers of
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// MediaQueryList objects which almost immediately become garbage
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// (after a single call to the .matches getter).
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//
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// This pointer does make us a little more dependent on cycle
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// collection.
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//
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// We have a non-null mDocument for our entire lifetime except
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// after cycle collection unlinking. Having a non-null mDocument
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// is equivalent to being in that document's mDOMMediaQueryLists
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// linked list.
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nsCOMPtr<nsIDocument> mDocument;
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RefPtr<nsMediaList> mMediaList;
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bool mMatches;
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bool mMatchesValid;
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nsTArray<RefPtr<mozilla::dom::MediaQueryListListener>> mCallbacks;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* !defined(mozilla_dom_MediaQueryList_h) */
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