1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4  * License, v. 2.0. If a copy of the MPL was not distributed with this
5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 
7 /* base class for rendering objects that do not have child lists */
8 
9 #include "nsLeafFrame.h"
10 
11 #include "mozilla/PresShell.h"
12 #include "nsPresContext.h"
13 
14 using namespace mozilla;
15 
16 nsLeafFrame::~nsLeafFrame() = default;
17 
18 /* virtual */
BuildDisplayList(nsDisplayListBuilder * aBuilder,const nsDisplayListSet & aLists)19 void nsLeafFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
20                                    const nsDisplayListSet& aLists) {
21   DO_GLOBAL_REFLOW_COUNT_DSP("nsLeafFrame");
22   DisplayBorderBackgroundOutline(aBuilder, aLists);
23 }
24 
25 /* virtual */
GetMinISize(gfxContext * aRenderingContext)26 nscoord nsLeafFrame::GetMinISize(gfxContext* aRenderingContext) {
27   nscoord result;
28   DISPLAY_MIN_INLINE_SIZE(this, result);
29   result = GetIntrinsicISize();
30   return result;
31 }
32 
33 /* virtual */
GetPrefISize(gfxContext * aRenderingContext)34 nscoord nsLeafFrame::GetPrefISize(gfxContext* aRenderingContext) {
35   nscoord result;
36   DISPLAY_PREF_INLINE_SIZE(this, result);
37   result = GetIntrinsicISize();
38   return result;
39 }
40 
41 /* virtual */
ComputeAutoSize(gfxContext * aRenderingContext,WritingMode aWM,const LogicalSize & aCBSize,nscoord aAvailableISize,const LogicalSize & aMargin,const LogicalSize & aBorderPadding,const StyleSizeOverrides & aSizeOverrides,ComputeSizeFlags aFlags)42 LogicalSize nsLeafFrame::ComputeAutoSize(
43     gfxContext* aRenderingContext, WritingMode aWM, const LogicalSize& aCBSize,
44     nscoord aAvailableISize, const LogicalSize& aMargin,
45     const LogicalSize& aBorderPadding, const StyleSizeOverrides& aSizeOverrides,
46     ComputeSizeFlags aFlags) {
47   const WritingMode wm = GetWritingMode();
48   LogicalSize result(wm, GetIntrinsicISize(), GetIntrinsicBSize());
49   return result.ConvertTo(aWM, wm);
50 }
51 
GetIntrinsicBSize()52 nscoord nsLeafFrame::GetIntrinsicBSize() {
53   MOZ_ASSERT_UNREACHABLE("Someone didn't override Reflow or ComputeAutoSize");
54   return 0;
55 }
56 
SizeToAvailSize(const ReflowInput & aReflowInput,ReflowOutput & aDesiredSize)57 void nsLeafFrame::SizeToAvailSize(const ReflowInput& aReflowInput,
58                                   ReflowOutput& aDesiredSize) {
59   aDesiredSize.SetSize(aReflowInput.GetWritingMode(),
60                        aReflowInput.AvailableSize());
61   aDesiredSize.SetOverflowAreasToDesiredBounds();
62   FinishAndStoreOverflow(&aDesiredSize, aReflowInput.mStyleDisplay);
63 }
64