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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 /** |
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7 |
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8 Eric D Vaughan |
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9 A frame that can have multiple children. Only one child may be displayed at one time. So the |
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10 can be flipped though like a deck of cards. |
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11 |
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12 **/ |
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13 |
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14 #ifndef nsGridRowGroupFrame_h___ |
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15 #define nsGridRowGroupFrame_h___ |
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16 |
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17 #include "mozilla/Attributes.h" |
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18 #include "nsBoxFrame.h" |
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19 |
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20 /** |
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21 * A frame representing a grid row (or column) group, which is usually |
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22 * an element that is a child of a grid and contains all the rows (or |
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23 * all the columns). However, multiple levels of groups are allowed, so |
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24 * the parent or child could instead be another group. |
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25 */ |
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26 class nsGridRowGroupFrame : public nsBoxFrame |
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27 { |
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28 public: |
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29 NS_DECL_FRAMEARENA_HELPERS |
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30 |
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31 #ifdef DEBUG_FRAME_DUMP |
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32 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE |
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33 { |
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34 return MakeFrameName(NS_LITERAL_STRING("nsGridRowGroup"), aResult); |
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35 } |
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36 #endif |
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37 |
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38 nsGridRowGroupFrame(nsIPresShell* aPresShell, |
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39 nsStyleContext* aContext, |
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40 nsBoxLayout* aLayoutManager): |
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41 nsBoxFrame(aPresShell, aContext, false, aLayoutManager) {} |
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42 |
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43 virtual nscoord GetFlex(nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE; |
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44 |
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45 }; // class nsGridRowGroupFrame |
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46 |
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47 |
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48 |
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49 #endif |
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50 |