зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.3 KiB
C++
80 строки
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_dom_PaintRequest_h_
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#define mozilla_dom_PaintRequest_h_
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#include "nsPresContext.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/dom/Event.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace dom {
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class DOMRect;
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class PaintRequest final : public nsISupports, public nsWrapperCache {
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public:
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explicit PaintRequest(Event* aParent) : mParent(aParent) {}
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PaintRequest)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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Event* GetParentObject() const { return mParent; }
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already_AddRefed<DOMRect> ClientRect();
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void GetReason(nsAString& aResult) const { aResult.AssignLiteral("repaint"); }
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void SetRequest(const nsRect& aRequest) { mRequest = aRequest; }
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private:
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~PaintRequest() = default;
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RefPtr<Event> mParent;
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nsRect mRequest;
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};
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class PaintRequestList final : public nsISupports, public nsWrapperCache {
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public:
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explicit PaintRequestList(Event* aParent) : mParent(aParent) {}
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(PaintRequestList)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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nsISupports* GetParentObject() { return mParent; }
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void Append(PaintRequest* aElement) { mArray.AppendElement(aElement); }
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uint32_t Length() { return mArray.Length(); }
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PaintRequest* Item(uint32_t aIndex) { return mArray.SafeElementAt(aIndex); }
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PaintRequest* IndexedGetter(uint32_t aIndex, bool& aFound) {
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aFound = aIndex < mArray.Length();
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if (!aFound) {
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return nullptr;
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}
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return mArray.ElementAt(aIndex);
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}
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private:
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~PaintRequestList() = default;
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nsTArray<RefPtr<PaintRequest> > mArray;
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RefPtr<Event> mParent;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_PaintRequest_h_
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