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1 |
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2 /* |
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3 * Copyright 2011 Google Inc. |
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4 * |
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5 * Use of this source code is governed by a BSD-style license that can be |
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6 * found in the LICENSE file. |
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7 */ |
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8 #include "SkViewPriv.h" |
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9 |
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10 ////////////////////////////////////////////////////////////////////// |
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11 |
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12 void SkView::Artist::draw(SkView* view, SkCanvas* canvas) |
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13 { |
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14 SkASSERT(view && canvas); |
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15 this->onDraw(view, canvas); |
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16 } |
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17 |
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18 void SkView::Artist::inflate(const SkDOM& dom, const SkDOM::Node* node) |
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19 { |
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20 SkASSERT(&dom && node); |
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21 this->onInflate(dom, node); |
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22 } |
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23 |
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24 void SkView::Artist::onInflate(const SkDOM&, const SkDOM::Node*) |
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25 { |
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26 // subclass should override this as needed |
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27 } |
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28 |
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29 SkView::Artist* SkView::getArtist() const |
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30 { |
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31 Artist_SkTagList* rec = (Artist_SkTagList*)this->findTagList(kViewArtist_SkTagList); |
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32 SkASSERT(rec == NULL || rec->fArtist != NULL); |
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33 |
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34 return rec ? rec->fArtist : NULL; |
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35 } |
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36 |
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37 SkView::Artist* SkView::setArtist(Artist* obj) |
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38 { |
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39 if (obj == NULL) |
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40 { |
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41 this->removeTagList(kViewArtist_SkTagList); |
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42 } |
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43 else // add/replace |
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44 { |
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45 Artist_SkTagList* rec = (Artist_SkTagList*)this->findTagList(kViewArtist_SkTagList); |
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46 |
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47 if (rec) |
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48 SkRefCnt_SafeAssign(rec->fArtist, obj); |
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49 else |
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50 this->addTagList(new Artist_SkTagList(obj)); |
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51 } |
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52 return obj; |
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53 } |
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54 |
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55 //////////////////////////////////////////////////////////////////////////////// |
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56 |
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57 void SkView::Layout::layoutChildren(SkView* parent) |
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58 { |
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59 SkASSERT(parent); |
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60 if (parent->width() > 0 && parent->height() > 0) |
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61 this->onLayoutChildren(parent); |
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62 } |
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63 |
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64 void SkView::Layout::inflate(const SkDOM& dom, const SkDOM::Node* node) |
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65 { |
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66 SkASSERT(&dom && node); |
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67 this->onInflate(dom, node); |
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68 } |
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69 |
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70 void SkView::Layout::onInflate(const SkDOM&, const SkDOM::Node*) |
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71 { |
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72 // subclass should override this as needed |
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73 } |
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74 |
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75 SkView::Layout* SkView::getLayout() const |
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76 { |
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77 Layout_SkTagList* rec = (Layout_SkTagList*)this->findTagList(kViewLayout_SkTagList); |
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78 SkASSERT(rec == NULL || rec->fLayout != NULL); |
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79 |
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80 return rec ? rec->fLayout : NULL; |
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81 } |
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82 |
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83 SkView::Layout* SkView::setLayout(Layout* obj, bool invokeLayoutNow) |
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84 { |
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85 if (obj == NULL) |
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86 { |
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87 this->removeTagList(kViewLayout_SkTagList); |
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88 } |
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89 else // add/replace |
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90 { |
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91 Layout_SkTagList* rec = (Layout_SkTagList*)this->findTagList(kViewLayout_SkTagList); |
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92 |
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93 if (rec) |
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94 SkRefCnt_SafeAssign(rec->fLayout, obj); |
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95 else |
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96 this->addTagList(new Layout_SkTagList(obj)); |
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97 } |
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98 |
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99 if (invokeLayoutNow) |
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100 this->invokeLayout(); |
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101 |
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102 return obj; |
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103 } |