Sylvestre Ledru
9eb1a31a98
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287843
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/* 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_VisualViewport_h
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#define mozilla_dom_VisualViewport_h
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#include "Units.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/dom/VisualViewportBinding.h"
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class nsPresContext;
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namespace mozilla {
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class PresShell;
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namespace dom {
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/* Visual Viewport API spec:
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* https://wicg.github.io/visual-viewport/#the-visualviewport-interface */
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class VisualViewport final : public mozilla::DOMEventTargetHelper {
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public:
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explicit VisualViewport(nsPIDOMWindowInner* aWindow);
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double OffsetLeft() const;
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double OffsetTop() const;
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double PageLeft() const;
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double PageTop() const;
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MOZ_CAN_RUN_SCRIPT double Width() const;
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MOZ_CAN_RUN_SCRIPT double Height() const;
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double Scale() const;
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IMPL_EVENT_HANDLER(resize)
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IMPL_EVENT_HANDLER(scroll)
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IMPL_EVENT_HANDLER(scrollend)
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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void GetEventTargetParent(EventChainPreVisitor& aVisitor) override;
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void PostResizeEvent();
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MOZ_CAN_RUN_SCRIPT void FireResizeEvent();
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void PostScrollEvent(const nsPoint& aPrevVisualOffset,
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const nsPoint& aPrevLayoutOffset);
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void PostScrollEndEvent();
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class VisualViewportScrollEvent;
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class VisualViewportScrollEndEvent;
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private:
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virtual ~VisualViewport();
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MOZ_CAN_RUN_SCRIPT CSSSize VisualViewportSize() const;
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CSSPoint VisualViewportOffset() const;
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CSSPoint LayoutViewportOffset() const;
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Document* GetDocument() const;
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PresShell* GetPresShell() const;
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nsPresContext* GetPresContext() const;
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MOZ_CAN_RUN_SCRIPT void FireScrollEvent();
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MOZ_CAN_RUN_SCRIPT void FireScrollEndEvent();
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RefPtr<VisualViewportScrollEvent> mScrollEvent;
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RefPtr<VisualViewportScrollEndEvent> mScrollEndEvent;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_VisualViewport_h
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