layout/forms/nsLegendFrame.cpp@97036ab72558 (annotated)
layout/forms/nsLegendFrame.cpp
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #include "nsLegendFrame.h" |
| michael@0 | 7 | #include "nsIContent.h" |
| michael@0 | 8 | #include "nsGenericHTMLElement.h" |
| michael@0 | 9 | #include "nsAttrValueInlines.h" |
| michael@0 | 10 | #include "nsHTMLParts.h" |
| michael@0 | 11 | #include "nsGkAtoms.h" |
| michael@0 | 12 | #include "nsStyleConsts.h" |
| michael@0 | 13 | #include "nsFormControlFrame.h" |
| michael@0 | 14 | |
| michael@0 | 15 | nsIFrame* |
| michael@0 | 16 | NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext) |
| michael@0 | 17 | { |
| michael@0 | 18 | #ifdef DEBUG |
| michael@0 | 19 | const nsStyleDisplay* disp = aContext->StyleDisplay(); |
| michael@0 | 20 | NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(), |
| michael@0 | 21 | "Legends should not be positioned and should not float"); |
| michael@0 | 22 | #endif |
| michael@0 | 23 | |
| michael@0 | 24 | nsIFrame* f = new (aPresShell) nsLegendFrame(aContext); |
| michael@0 | 25 | if (f) { |
| michael@0 | 26 | f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT); |
| michael@0 | 27 | } |
| michael@0 | 28 | return f; |
| michael@0 | 29 | } |
| michael@0 | 30 | |
| michael@0 | 31 | NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame) |
| michael@0 | 32 | |
| michael@0 | 33 | nsIAtom* |
| michael@0 | 34 | nsLegendFrame::GetType() const |
| michael@0 | 35 | { |
| michael@0 | 36 | return nsGkAtoms::legendFrame; |
| michael@0 | 37 | } |
| michael@0 | 38 | |
| michael@0 | 39 | void |
| michael@0 | 40 | nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot) |
| michael@0 | 41 | { |
| michael@0 | 42 | nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false); |
| michael@0 | 43 | nsBlockFrame::DestroyFrom(aDestructRoot); |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | NS_QUERYFRAME_HEAD(nsLegendFrame) |
| michael@0 | 47 | NS_QUERYFRAME_ENTRY(nsLegendFrame) |
| michael@0 | 48 | NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame) |
| michael@0 | 49 | |
| michael@0 | 50 | nsresult |
| michael@0 | 51 | nsLegendFrame::Reflow(nsPresContext* aPresContext, |
| michael@0 | 52 | nsHTMLReflowMetrics& aDesiredSize, |
| michael@0 | 53 | const nsHTMLReflowState& aReflowState, |
| michael@0 | 54 | nsReflowStatus& aStatus) |
| michael@0 | 55 | { |
| michael@0 | 56 | DO_GLOBAL_REFLOW_COUNT("nsLegendFrame"); |
| michael@0 | 57 | DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus); |
| michael@0 | 58 | if (mState & NS_FRAME_FIRST_REFLOW) { |
| michael@0 | 59 | nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true); |
| michael@0 | 60 | } |
| michael@0 | 61 | return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus); |
| michael@0 | 62 | } |
| michael@0 | 63 | |
| michael@0 | 64 | // REVIEW: We don't need to override BuildDisplayList, nsBlockFrame will honour |
| michael@0 | 65 | // our visibility setting |
| michael@0 | 66 | int32_t nsLegendFrame::GetAlign() |
| michael@0 | 67 | { |
| michael@0 | 68 | int32_t intValue = NS_STYLE_TEXT_ALIGN_LEFT; |
| michael@0 | 69 | if (mParent && NS_STYLE_DIRECTION_RTL == mParent->StyleVisibility()->mDirection) { |
| michael@0 | 70 | intValue = NS_STYLE_TEXT_ALIGN_RIGHT; |
| michael@0 | 71 | } |
| michael@0 | 72 | |
| michael@0 | 73 | nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent); |
| michael@0 | 74 | |
| michael@0 | 75 | if (content) { |
| michael@0 | 76 | const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align); |
| michael@0 | 77 | if (attr && attr->Type() == nsAttrValue::eEnum) { |
| michael@0 | 78 | intValue = attr->GetEnumValue(); |
| michael@0 | 79 | } |
| michael@0 | 80 | } |
| michael@0 | 81 | return intValue; |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | #ifdef DEBUG_FRAME_DUMP |
| michael@0 | 85 | nsresult |
| michael@0 | 86 | nsLegendFrame::GetFrameName(nsAString& aResult) const |
| michael@0 | 87 | { |
| michael@0 | 88 | return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult); |
| michael@0 | 89 | } |
| michael@0 | 90 | #endif |
