mirror of
https://github.com/classilla/tenfourfox.git
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195 lines
6.0 KiB
C
195 lines
6.0 KiB
C
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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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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/*
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* Inline methods that belong in nsStyleStruct.h, except that they
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* require more headers.
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*/
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#ifndef nsStyleStructInlines_h_
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#define nsStyleStructInlines_h_
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#include "nsIFrame.h"
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#include "nsStyleStruct.h"
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#include "nsIContent.h" // for GetParent()
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#include "nsTextFrame.h" // for nsTextFrame::ShouldSuppressLineBreak
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inline void
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nsStyleImage::SetSubImage(uint8_t aIndex, imgIContainer* aSubImage) const
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{
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const_cast<nsStyleImage*>(this)->mSubImages.ReplaceObjectAt(aSubImage, aIndex);
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}
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inline imgIContainer*
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nsStyleImage::GetSubImage(uint8_t aIndex) const
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{
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imgIContainer* subImage = nullptr;
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if (aIndex < mSubImages.Count())
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subImage = mSubImages[aIndex];
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return subImage;
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}
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bool
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nsStyleText::HasTextShadow() const
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{
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return mTextShadow;
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}
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nsCSSShadowArray*
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nsStyleText::GetTextShadow() const
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{
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return mTextShadow;
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}
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bool
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nsStyleText::NewlineIsSignificant(const nsTextFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
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return NewlineIsSignificantStyle() &&
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!aContextFrame->ShouldSuppressLineBreak();
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}
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bool
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nsStyleText::WhiteSpaceCanWrap(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
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return WhiteSpaceCanWrapStyle() && !aContextFrame->IsSVGText();
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}
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bool
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nsStyleText::WordCanWrap(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleText() == this, "unexpected aContextFrame");
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return WordCanWrapStyle() && !aContextFrame->IsSVGText();
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}
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bool
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nsStyleDisplay::IsBlockInside(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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if (aContextFrame->IsSVGText()) {
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return aContextFrame->GetType() == nsGkAtoms::blockFrame;
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}
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return IsBlockInsideStyle();
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}
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bool
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nsStyleDisplay::IsBlockOutside(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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if (aContextFrame->IsSVGText()) {
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return aContextFrame->GetType() == nsGkAtoms::blockFrame;
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}
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return IsBlockOutsideStyle();
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}
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bool
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nsStyleDisplay::IsInlineOutside(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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if (aContextFrame->IsSVGText()) {
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return aContextFrame->GetType() != nsGkAtoms::blockFrame;
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}
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return IsInlineOutsideStyle();
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}
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bool
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nsStyleDisplay::IsOriginalDisplayInlineOutside(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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if (aContextFrame->IsSVGText()) {
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return aContextFrame->GetType() != nsGkAtoms::blockFrame;
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}
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return IsOriginalDisplayInlineOutsideStyle();
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}
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uint8_t
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nsStyleDisplay::GetDisplay(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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if (aContextFrame->IsSVGText() &&
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mDisplay != NS_STYLE_DISPLAY_NONE) {
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return aContextFrame->GetType() == nsGkAtoms::blockFrame ?
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NS_STYLE_DISPLAY_BLOCK :
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NS_STYLE_DISPLAY_INLINE;
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}
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return mDisplay;
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}
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bool
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nsStyleDisplay::IsFloating(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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return IsFloatingStyle() && !aContextFrame->IsSVGText();
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}
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// If you change this function, also change the corresponding block in
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// nsCSSFrameConstructor::ConstructFrameFromItemInternal that references
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// this function in comments.
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bool
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nsStyleDisplay::HasTransform(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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return HasTransformStyle() && aContextFrame->IsFrameOfType(nsIFrame::eSupportsCSSTransforms);
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}
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bool
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nsStyleDisplay::IsFixedPosContainingBlock(const nsIFrame* aContextFrame) const
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{
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// NOTE: Any CSS properties that influence the output of this function
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// should have the CSS_PROPERTY_FIXPOS_CB set on them.
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NS_ASSERTION(aContextFrame->StyleDisplay() == this,
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"unexpected aContextFrame");
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return (IsContainPaint() || HasTransform(aContextFrame) ||
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HasPerspectiveStyle() ||
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(mWillChangeBitField & NS_STYLE_WILL_CHANGE_FIXPOS_CB) ||
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aContextFrame->StyleSVGReset()->HasFilters()) &&
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!aContextFrame->IsSVGText();
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}
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bool
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nsStyleDisplay::IsAbsPosContainingBlock(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this,
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"unexpected aContextFrame");
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return ((IsAbsolutelyPositionedStyle() ||
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IsRelativelyPositionedStyle() ||
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(mWillChangeBitField & NS_STYLE_WILL_CHANGE_ABSPOS_CB)) &&
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!aContextFrame->IsSVGText()) ||
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IsFixedPosContainingBlock(aContextFrame);
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}
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bool
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nsStyleDisplay::IsRelativelyPositioned(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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return IsRelativelyPositionedStyle() && !aContextFrame->IsSVGText();
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}
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bool
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nsStyleDisplay::IsAbsolutelyPositioned(const nsIFrame* aContextFrame) const
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{
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NS_ASSERTION(aContextFrame->StyleDisplay() == this, "unexpected aContextFrame");
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return IsAbsolutelyPositionedStyle() && !aContextFrame->IsSVGText();
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}
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uint8_t
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nsStyleVisibility::GetEffectivePointerEvents(nsIFrame* aFrame) const
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{
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if (aFrame->GetContent() && !aFrame->GetContent()->GetParent()) {
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// The root element has a cluster of frames associated with it
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// (root scroll frame, canvas frame, the actual primary frame). Make
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// those take their pointer-events value from the root element's primary
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// frame.
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nsIFrame* f = aFrame->GetContent()->GetPrimaryFrame();
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if (f) {
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return f->StyleVisibility()->mPointerEvents;
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}
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}
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return mPointerEvents;
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}
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#endif /* !defined(nsStyleStructInlines_h_) */
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