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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 nsDeckFrame_h___ |
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15 #define nsDeckFrame_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 class nsDeckFrame : public nsBoxFrame |
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21 { |
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22 public: |
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23 NS_DECL_QUERYFRAME_TARGET(nsDeckFrame) |
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24 NS_DECL_QUERYFRAME |
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25 NS_DECL_FRAMEARENA_HELPERS |
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26 |
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27 friend nsIFrame* NS_NewDeckFrame(nsIPresShell* aPresShell, |
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28 nsStyleContext* aContext); |
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29 |
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30 virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
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31 nsIAtom* aAttribute, |
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32 int32_t aModType) MOZ_OVERRIDE; |
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33 |
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34 NS_IMETHOD DoLayout(nsBoxLayoutState& aState) MOZ_OVERRIDE; |
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35 |
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36 virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
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37 const nsRect& aDirtyRect, |
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38 const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
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39 |
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40 virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder, |
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41 const nsRect& aDirtyRect, |
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42 const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
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43 |
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44 virtual void Init(nsIContent* aContent, |
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45 nsIFrame* aParent, |
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46 nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
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47 |
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48 virtual nsIAtom* GetType() const MOZ_OVERRIDE; |
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49 |
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50 #ifdef DEBUG_FRAME_DUMP |
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51 virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE |
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52 { |
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53 return MakeFrameName(NS_LITERAL_STRING("Deck"), aResult); |
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54 } |
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55 #endif |
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56 |
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57 nsDeckFrame(nsIPresShell* aPresShell, nsStyleContext* aContext); |
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58 |
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59 nsIFrame* GetSelectedBox(); |
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60 |
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61 protected: |
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62 |
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63 void IndexChanged(); |
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64 int32_t GetSelectedIndex(); |
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65 void HideBox(nsIFrame* aBox); |
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66 |
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67 private: |
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68 |
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69 int32_t mIndex; |
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70 |
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71 }; // class nsDeckFrame |
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72 |
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73 #endif |
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74 |