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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/generic/nsVideoFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/generic/nsVideoFrame.h')
-rw-r--r--layout/generic/nsVideoFrame.h146
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diff --git a/layout/generic/nsVideoFrame.h b/layout/generic/nsVideoFrame.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:set ts=2 sw=2 sts=2 et cindent: */
+/* 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/. */
+
+/* rendering object for the HTML <video> element */
+
+#ifndef nsVideoFrame_h___
+#define nsVideoFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsContainerFrame.h"
+#include "nsIAnonymousContentCreator.h"
+#include "nsTArrayForwardDeclare.h"
+#include "FrameLayerBuilder.h"
+
+namespace mozilla {
+namespace layers {
+class Layer;
+class LayerManager;
+} // namespace layers
+} // namespace mozilla
+
+class nsAString;
+class nsPresContext;
+class nsDisplayItem;
+
+class nsVideoFrame : public nsContainerFrame
+ , public nsIAnonymousContentCreator
+{
+public:
+ template <typename T> using Maybe = mozilla::Maybe<T>;
+ using Nothing = mozilla::Nothing;
+ using Visibility = mozilla::Visibility;
+
+ typedef mozilla::layers::Layer Layer;
+ typedef mozilla::layers::LayerManager LayerManager;
+ typedef mozilla::ContainerLayerParameters ContainerLayerParameters;
+
+ explicit nsVideoFrame(nsStyleContext* aContext);
+
+ NS_DECL_QUERYFRAME
+ NS_DECL_QUERYFRAME_TARGET(nsVideoFrame)
+ NS_DECL_FRAMEARENA_HELPERS
+
+ virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ void OnVisibilityChange(Visibility aNewVisibility,
+ Maybe<OnNonvisible> aNonvisibleAction = Nothing()) override;
+
+ /* get the size of the video's display */
+ nsSize GetVideoIntrinsicSize(nsRenderingContext *aRenderingContext);
+ virtual nsSize GetIntrinsicRatio() override;
+ virtual mozilla::LogicalSize
+ ComputeSize(nsRenderingContext *aRenderingContext,
+ mozilla::WritingMode aWritingMode,
+ const mozilla::LogicalSize& aCBSize,
+ nscoord aAvailableISize,
+ const mozilla::LogicalSize& aMargin,
+ const mozilla::LogicalSize& aBorder,
+ const mozilla::LogicalSize& aPadding,
+ ComputeSizeFlags aFlags) override;
+ virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+ virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+ virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+ virtual bool IsLeaf() const override;
+
+ virtual void Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) override;
+
+#ifdef ACCESSIBILITY
+ virtual mozilla::a11y::AccType AccessibleType() override;
+#endif
+
+ virtual nsIAtom* GetType() const override;
+
+ virtual bool IsFrameOfType(uint32_t aFlags) const override
+ {
+ return nsSplittableFrame::IsFrameOfType(aFlags &
+ ~(nsIFrame::eReplaced | nsIFrame::eReplacedSizing));
+ }
+
+ virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override;
+ virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements,
+ uint32_t aFilters) override;
+
+ nsIContent* GetPosterImage() { return mPosterImage; }
+
+ // Returns true if we should display the poster. Note that once we show
+ // a video frame, the poster will never be displayed again.
+ bool ShouldDisplayPoster();
+
+ nsIContent *GetCaptionOverlay() { return mCaptionDiv; }
+
+ nsIContent *GetVideoControls() { return mVideoControls; }
+
+#ifdef DEBUG_FRAME_DUMP
+ virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+ already_AddRefed<Layer> BuildLayer(nsDisplayListBuilder* aBuilder,
+ LayerManager* aManager,
+ nsDisplayItem* aItem,
+ const ContainerLayerParameters& aContainerParameters);
+
+protected:
+
+ // Returns true if we're rendering for a video element. We still create
+ // nsVideoFrame to render controls for an audio element.
+ bool HasVideoElement();
+
+ // Returns true if there is video data to render. Can return false
+ // when we're the frame for an audio element, or we've created a video
+ // element for a media which is audio-only.
+ bool HasVideoData();
+
+ // Sets the mPosterImage's src attribute to be the video's poster attribute,
+ // if we're the frame for a video element. Only call on frames for video
+ // elements, not for frames for audio elements.
+ void UpdatePosterSource(bool aNotify);
+
+ virtual ~nsVideoFrame();
+
+ nsMargin mBorderPadding;
+
+ // Anonymous child which is bound via XBL to the video controls.
+ nsCOMPtr<nsIContent> mVideoControls;
+
+ // Anonymous child which is the image element of the poster frame.
+ nsCOMPtr<nsIContent> mPosterImage;
+
+ // Anonymous child which is the text track caption display div.
+ nsCOMPtr<nsIContent> mCaptionDiv;
+
+};
+
+#endif /* nsVideoFrame_h___ */