components/bookmarks/core/browser/bookmark_model_observer.h - Issue 284893003: Move bookmarks/core/... to bookmarks/...

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Issue 284893003: Move bookmarks/core/... to bookmarks/... (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Fixing errors reported by presubmit Created 6 years, 7 months ago

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1 // Copyright 2014 The Chromium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 #ifndef COMPONENTS_BOOKMARKS_CORE_BROWSER_BOOKMARK_MODEL_OBSERVER_H_

6 #define COMPONENTS_BOOKMARKS_CORE_BROWSER_BOOKMARK_MODEL_OBSERVER_H_

7

8 #include <set>

9

10 class BookmarkModel;

11 class BookmarkNode;

12 class GURL;

13

14 // Observer for the BookmarkModel.

15 class BookmarkModelObserver {

16 public:

17 // Invoked when the model has finished loading. \|ids_reassigned\| mirrors

18 // that of BookmarkLoadDetails::ids_reassigned. See it for details.

19 virtual void BookmarkModelLoaded(BookmarkModel* model,

20 bool ids_reassigned) = 0;

21

22 // Invoked from the destructor of the BookmarkModel.

23 virtual void BookmarkModelBeingDeleted(BookmarkModel* model) {}

24

25 // Invoked when a node has moved.

26 virtual void BookmarkNodeMoved(BookmarkModel* model,

27 const BookmarkNode* old_parent,

28 int old_index,

29 const BookmarkNode* new_parent,

30 int new_index) = 0;

31

32 // Invoked when a node has been added.

33 virtual void BookmarkNodeAdded(BookmarkModel* model,

34 const BookmarkNode* parent,

35 int index) = 0;

36

37 // Invoked before a node is removed.

38 // \|parent\| the parent of the node that will be removed.

39 // \|old_index\| the index of the node about to be removed in \|parent\|.

40 // \|node\| is the node to be removed.

41 virtual void OnWillRemoveBookmarks(BookmarkModel* model,

42 const BookmarkNode* parent,

43 int old_index,

44 const BookmarkNode* node) {}

45

46 // Invoked when a node has been removed, the item may still be starred though.

47 // \|parent\| the parent of the node that was removed.

48 // \|old_index\| the index of the removed node in \|parent\| before it was

49 // removed.

50 // \|node\| is the node that was removed.

51 // \|removed_urls\| is populated with the urls which no longer have any

52 // bookmarks associated with them.

53 virtual void BookmarkNodeRemoved(BookmarkModel* model,

54 const BookmarkNode* parent,

55 int old_index,

56 const BookmarkNode* node,

57 const std::set<GURL>& removed_urls) = 0;

58

59 // Invoked before the title or url of a node is changed.

60 virtual void OnWillChangeBookmarkNode(BookmarkModel* model,

61 const BookmarkNode* node) {}

62

63 // Invoked when the title or url of a node changes.

64 virtual void BookmarkNodeChanged(BookmarkModel* model,

65 const BookmarkNode* node) = 0;

66

67 // Invoked before the metainfo of a node is changed.

68 virtual void OnWillChangeBookmarkMetaInfo(BookmarkModel* model,

69 const BookmarkNode* node) {}

70

71 // Invoked when the metainfo on a node changes.

72 virtual void BookmarkMetaInfoChanged(BookmarkModel* model,

73 const BookmarkNode* node) {}

74

75 // Invoked when a favicon has been loaded or changed.

76 virtual void BookmarkNodeFaviconChanged(BookmarkModel* model,

77 const BookmarkNode* node) = 0;

78

79 // Invoked before the direct children of \|node\| have been reordered in some

80 // way, such as sorted.

81 virtual void OnWillReorderBookmarkNode(BookmarkModel* model,

82 const BookmarkNode* node) {}

83

84 // Invoked when the children (just direct children, not descendants) of

85 // \|node\| have been reordered in some way, such as sorted.

86 virtual void BookmarkNodeChildrenReordered(BookmarkModel* model,

87 const BookmarkNode* node) = 0;

88

89 // Invoked before an extensive set of model changes is about to begin.

90 // This tells UI intensive observers to wait until the updates finish to

91 // update themselves.

92 // These methods should only be used for imports and sync.

93 // Observers should still respond to BookmarkNodeRemoved immediately,

94 // to avoid holding onto stale node pointers.

95 virtual void ExtensiveBookmarkChangesBeginning(BookmarkModel* model) {}

96

97 // Invoked after an extensive set of model changes has ended.

98 // This tells observers to update themselves if they were waiting for the

99 // update to finish.

100 virtual void ExtensiveBookmarkChangesEnded(BookmarkModel* model) {}

101

102 // Invoked before all non-permanent bookmark nodes are removed.

103 virtual void OnWillRemoveAllBookmarks(BookmarkModel* model) {}

104

105 // Invoked when all non-permanent bookmark nodes have been removed.

106 // \|removed_urls\| is populated with the urls which no longer have any

107 // bookmarks associated with them.

108 virtual void BookmarkAllNodesRemoved(BookmarkModel* model,

109 const std::set<GURL>& removed_urls) = 0;

110

111 // Invoked before a set of model changes that is initiated by a single user

112 // action. For example, this is called a single time when pasting from the

113 // clipboard before each pasted bookmark is added to the bookmark model.

114 virtual void GroupedBookmarkChangesBeginning(BookmarkModel* model) {}

115

116 // Invoked after a set of model changes triggered by a single user action has

117 // ended.

118 virtual void GroupedBookmarkChangesEnded(BookmarkModel* model) {}

119

120 protected:

121 virtual ~BookmarkModelObserver() {}

122 };

123

124 #endif // COMPONENTS_BOOKMARKS_CORE_BROWSER_BOOKMARK_MODEL_OBSERVER_H_

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