diff options
Diffstat (limited to 'layout/forms/nsProgressFrame.h')
-rw-r--r-- | layout/forms/nsProgressFrame.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/layout/forms/nsProgressFrame.h b/layout/forms/nsProgressFrame.h new file mode 100644 index 000000000..01465ff7c --- /dev/null +++ b/layout/forms/nsProgressFrame.h @@ -0,0 +1,102 @@ +/* -*- 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/. */ + +#ifndef nsProgressFrame_h___ +#define nsProgressFrame_h___ + +#include "mozilla/Attributes.h" +#include "nsContainerFrame.h" +#include "nsIAnonymousContentCreator.h" +#include "nsCOMPtr.h" + +namespace mozilla { +enum class CSSPseudoElementType : uint8_t; +} // namespace mozilla + +class nsProgressFrame : public nsContainerFrame, + public nsIAnonymousContentCreator +{ + typedef mozilla::CSSPseudoElementType CSSPseudoElementType; + typedef mozilla::dom::Element Element; + +public: + NS_DECL_QUERYFRAME_TARGET(nsProgressFrame) + NS_DECL_QUERYFRAME + NS_DECL_FRAMEARENA_HELPERS + + explicit nsProgressFrame(nsStyleContext* aContext); + virtual ~nsProgressFrame(); + + virtual void DestroyFrom(nsIFrame* aDestructRoot) override; + + virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, + const nsRect& aDirtyRect, + const nsDisplayListSet& aLists) override; + + virtual void Reflow(nsPresContext* aCX, + ReflowOutput& aDesiredSize, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus) override; + + virtual nsIAtom* GetType() const override; + +#ifdef DEBUG_FRAME_DUMP + virtual nsresult GetFrameName(nsAString& aResult) const override { + return MakeFrameName(NS_LITERAL_STRING("Progress"), aResult); + } +#endif + + virtual bool IsLeaf() const override { return true; } + + // nsIAnonymousContentCreator + virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) override; + virtual void AppendAnonymousContentTo(nsTArray<nsIContent*>& aElements, + uint32_t aFilter) override; + + virtual nsresult AttributeChanged(int32_t aNameSpaceID, + nsIAtom* aAttribute, + int32_t aModType) override; + + virtual mozilla::LogicalSize + ComputeAutoSize(nsRenderingContext* aRenderingContext, + mozilla::WritingMode aWM, + 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 bool IsFrameOfType(uint32_t aFlags) const override + { + return nsContainerFrame::IsFrameOfType(aFlags & + ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); + } + + /** + * Returns whether the frame and its child should use the native style. + */ + bool ShouldUseNativeStyle() const; + + virtual Element* GetPseudoElement(CSSPseudoElementType aType) override; + +protected: + // Helper function to reflow a child frame. + void ReflowChildFrame(nsIFrame* aChild, + nsPresContext* aPresContext, + const ReflowInput& aReflowInput, + nsReflowStatus& aStatus); + + /** + * The div used to show the progress bar. + * @see nsProgressFrame::CreateAnonymousContent + */ + nsCOMPtr<Element> mBarDiv; +}; + +#endif |