layout/xul/nsStackLayout.h@97036ab72558 (annotated)
layout/xul/nsStackLayout.h
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 | /** |
| michael@0 | 7 | |
| michael@0 | 8 | Eric D Vaughan |
| michael@0 | 9 | A frame that can have multiple children. Only one child may be displayed at one time. So the |
| michael@0 | 10 | can be flipped though like a deck of cards. |
| michael@0 | 11 | |
| michael@0 | 12 | **/ |
| michael@0 | 13 | |
| michael@0 | 14 | #ifndef nsStackLayout_h___ |
| michael@0 | 15 | #define nsStackLayout_h___ |
| michael@0 | 16 | |
| michael@0 | 17 | #include "mozilla/Attributes.h" |
| michael@0 | 18 | #include "nsBoxLayout.h" |
| michael@0 | 19 | #include "nsCOMPtr.h" |
| michael@0 | 20 | #include "nsCoord.h" |
| michael@0 | 21 | |
| michael@0 | 22 | class nsIPresShell; |
| michael@0 | 23 | |
| michael@0 | 24 | nsresult NS_NewStackLayout(nsIPresShell* aPresShell, nsCOMPtr<nsBoxLayout>& aNewLayout); |
| michael@0 | 25 | |
| michael@0 | 26 | class nsStackLayout : public nsBoxLayout |
| michael@0 | 27 | { |
| michael@0 | 28 | public: |
| michael@0 | 29 | |
| michael@0 | 30 | friend nsresult NS_NewStackLayout(nsIPresShell* aPresShell, nsCOMPtr<nsBoxLayout>& aNewLayout); |
| michael@0 | 31 | static void Shutdown(); |
| michael@0 | 32 | |
| michael@0 | 33 | nsStackLayout(); |
| michael@0 | 34 | |
| michael@0 | 35 | NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE; |
| michael@0 | 36 | |
| michael@0 | 37 | virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; |
| michael@0 | 38 | virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; |
| michael@0 | 39 | virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; |
| michael@0 | 40 | virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; |
| michael@0 | 41 | |
| michael@0 | 42 | // get the child offsets for aChild and set them in aMargin. Returns a |
| michael@0 | 43 | // bitfield mask of the SPECIFIED_LEFT, SPECIFIED_RIGHT, SPECIFIED_TOP and |
| michael@0 | 44 | // SPECIFIED_BOTTOM offsets indicating which sides have been specified by |
| michael@0 | 45 | // attributes. |
| michael@0 | 46 | static uint8_t GetOffset(nsBoxLayoutState& aState, nsIFrame* aChild, nsMargin& aMargin); |
| michael@0 | 47 | |
| michael@0 | 48 | private: |
| michael@0 | 49 | static nsBoxLayout* gInstance; |
| michael@0 | 50 | |
| michael@0 | 51 | }; // class nsStackLayout |
| michael@0 | 52 | |
| michael@0 | 53 | |
| michael@0 | 54 | |
| michael@0 | 55 | #endif |
| michael@0 | 56 |
