The Tor Browser / file comparison
comparison: layout/xul/nsBoxLayoutState.h
layout/xul/nsBoxLayoutState.h
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
equal
deleted
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replaced
| -1:000000000000 | 0:8f26190f9971 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /** | |
| 7 | |
| 8 Author: | |
| 9 Eric D Vaughan | |
| 10 | |
| 11 **/ | |
| 12 | |
| 13 #ifndef nsBoxLayoutState_h___ | |
| 14 #define nsBoxLayoutState_h___ | |
| 15 | |
| 16 #include "nsCOMPtr.h" | |
| 17 #include "nsPresContext.h" | |
| 18 #include "nsIPresShell.h" | |
| 19 | |
| 20 class nsRenderingContext; | |
| 21 class nsCalculatedBoxInfo; | |
| 22 struct nsHTMLReflowMetrics; | |
| 23 struct nsHTMLReflowState; | |
| 24 class nsString; | |
| 25 class nsHTMLReflowCommand; | |
| 26 | |
| 27 class MOZ_STACK_CLASS nsBoxLayoutState | |
| 28 { | |
| 29 public: | |
| 30 nsBoxLayoutState(nsPresContext* aPresContext, | |
| 31 nsRenderingContext* aRenderingContext = nullptr, | |
| 32 // see OuterReflowState() below | |
| 33 const nsHTMLReflowState* aOuterReflowState = nullptr, | |
| 34 uint16_t aReflowDepth = 0) NS_HIDDEN; | |
| 35 nsBoxLayoutState(const nsBoxLayoutState& aState) NS_HIDDEN; | |
| 36 | |
| 37 nsPresContext* PresContext() const { return mPresContext; } | |
| 38 nsIPresShell* PresShell() const { return mPresContext->PresShell(); } | |
| 39 | |
| 40 uint32_t LayoutFlags() const { return mLayoutFlags; } | |
| 41 void SetLayoutFlags(uint32_t aFlags) { mLayoutFlags = aFlags; } | |
| 42 | |
| 43 // if true no one under us will paint during reflow. | |
| 44 void SetPaintingDisabled(bool aDisable) { mPaintingDisabled = aDisable; } | |
| 45 bool PaintingDisabled() const { return mPaintingDisabled; } | |
| 46 | |
| 47 // The rendering context may be null for specialized uses of | |
| 48 // nsBoxLayoutState and should be null-checked before it is used. | |
| 49 // However, passing a null rendering context to the constructor when | |
| 50 // doing box layout or intrinsic size calculation will cause bugs. | |
| 51 nsRenderingContext* GetRenderingContext() const { return mRenderingContext; } | |
| 52 | |
| 53 struct AutoReflowDepth { | |
| 54 AutoReflowDepth(nsBoxLayoutState& aState) | |
| 55 : mState(aState) { ++mState.mReflowDepth; } | |
| 56 ~AutoReflowDepth() { --mState.mReflowDepth; } | |
| 57 nsBoxLayoutState& mState; | |
| 58 }; | |
| 59 | |
| 60 // The HTML reflow state that lives outside the box-block boundary. | |
| 61 // May not be set reliably yet. | |
| 62 const nsHTMLReflowState* OuterReflowState() { return mOuterReflowState; } | |
| 63 | |
| 64 uint16_t GetReflowDepth() { return mReflowDepth; } | |
| 65 | |
| 66 private: | |
| 67 nsRefPtr<nsPresContext> mPresContext; | |
| 68 nsRenderingContext *mRenderingContext; | |
| 69 const nsHTMLReflowState *mOuterReflowState; | |
| 70 uint32_t mLayoutFlags; | |
| 71 uint16_t mReflowDepth; | |
| 72 bool mPaintingDisabled; | |
| 73 }; | |
| 74 | |
| 75 #endif | |
| 76 |
