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gecko/layout/generic/nsRubyFrame.h

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Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-22 19:08:01 -07:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code is subject to the terms of the Mozilla Public License
* version 2.0 (the "License"). You can obtain a copy of the License at
* http://mozilla.org/MPL/2.0/. */
/* rendering object for CSS "display: ruby" */
#ifndef nsRubyFrame_h___
#define nsRubyFrame_h___
#include "nsContainerFrame.h"
/**
* Factory function.
* @return a newly allocated nsRubyFrame (infallible)
*/
nsContainerFrame* NS_NewRubyFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
class nsRubyFrame MOZ_FINAL : public nsContainerFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS
NS_DECL_QUERYFRAME_TARGET(nsRubyFrame)
NS_DECL_QUERYFRAME
// nsIFrame overrides
virtual nsIAtom* GetType() const MOZ_OVERRIDE;
virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE;
Bug 1030993 - Basic reflow implementation for ruby frame classes. r=dbaron To account for spacing between bases or text boxes during reflow, the line layout which manages the bases updates its inline direction coordinate based on the preferred inline size for the corresponding text boxes. Next, the base is reflowed at the correct inline coordinate. Each paired text box is then also reflowed at the proper inline position determined by (1) the current position of its corresponding base and (2) its own preferred width. In computing intrinsic widths, accounting for spacing is less complicated. The minimum intrinsic width is the width of the widest ruby column, and the preferred intrinsic width is the sum of all the ruby column widths. Each ruby column width is the maximum width of its base box and text boxes. These individual widths are determined using GetPrefISize on the base and text boxes. Ruby base container frames store a list of pointers to the ruby text container frames in the segment they denote. This list of pointers is created in the ruby frame reflow method before calling the reflow method for the ruby base container. The list exists and is used only during reflow of the main ruby frame and is cleared before returning from reflow.
2014-08-15 10:34:20 -07:00
virtual void AddInlineMinISize(nsRenderingContext *aRenderingContext,
InlineMinISizeData *aData) MOZ_OVERRIDE;
virtual void AddInlinePrefISize(nsRenderingContext *aRenderingContext,
InlinePrefISizeData *aData) MOZ_OVERRIDE;
virtual void Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aDesiredSize,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus) MOZ_OVERRIDE;
virtual nscoord GetLogicalBaseline(mozilla::WritingMode aWritingMode)
const MOZ_OVERRIDE;
Bug 1030993 - Fix assertion failure in reftest css-ruby/ruby-whitespace-1.html. r=dbaron Fixes the assertion failure with text: "###!!! ASSERTION: Wrong line container hint: '!aForFrame || (aLineContainer == FindLineContainer(aForFrame) || aLineContainer->GetType() == nsGkAtoms::rubyTextContainerFrame || (aLineContainer->GetType() == nsGkAtoms::letterFrame && aLineContainer->IsFloating()))', file /home/sgbowen/builds/mozilla-central/layout/generic/nsTextFrame.cpp, line 1259" which occasionally appears when opening pages with ruby or when running ruby reftests. Updates the manifest for ruby reftests to the current expectations (adjust assertion counts, etc.)
2014-08-15 10:34:20 -07:00
virtual bool CanContinueTextRun() const MOZ_OVERRIDE;
Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-22 19:08:01 -07:00
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE;
#endif
protected:
friend nsContainerFrame* NS_NewRubyFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
Bug 1060985 - Fix more bad implicit constructors in layout; r=roc
2014-08-31 20:36:37 -07:00
explicit nsRubyFrame(nsStyleContext* aContext) : nsContainerFrame(aContext) {}
Bug 1030993 - Basic reflow implementation for ruby frame classes. r=dbaron To account for spacing between bases or text boxes during reflow, the line layout which manages the bases updates its inline direction coordinate based on the preferred inline size for the corresponding text boxes. Next, the base is reflowed at the correct inline coordinate. Each paired text box is then also reflowed at the proper inline position determined by (1) the current position of its corresponding base and (2) its own preferred width. In computing intrinsic widths, accounting for spacing is less complicated. The minimum intrinsic width is the width of the widest ruby column, and the preferred intrinsic width is the sum of all the ruby column widths. Each ruby column width is the maximum width of its base box and text boxes. These individual widths are determined using GetPrefISize on the base and text boxes. Ruby base container frames store a list of pointers to the ruby text container frames in the segment they denote. This list of pointers is created in the ruby frame reflow method before calling the reflow method for the ruby base container. The list exists and is used only during reflow of the main ruby frame and is cleared before returning from reflow.
2014-08-15 10:34:20 -07:00
void CalculateColSizes(nsRenderingContext* aRenderingContext,
nsTArray<nscoord>& aColSizes);
nscoord mBaseline;
Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-22 19:08:01 -07:00
};
#endif /* nsRubyFrame_h___ */
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