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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ash/common/shelf/shelf_item_delegate_manager.h" | 5 #include "ash/common/shelf/shelf_item_delegate_manager.h" |
6 | 6 |
7 #include "ash/common/shelf/shelf_item_delegate.h" | 7 #include "ash/common/shelf/shelf_item_delegate.h" |
8 #include "ash/common/shelf/shelf_model.h" | 8 #include "ash/common/shelf/shelf_model.h" |
9 #include "base/logging.h" | 9 #include "base/logging.h" |
10 #include "base/stl_util.h" | 10 #include "base/stl_util.h" |
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34 } | 34 } |
35 | 35 |
36 void ShelfItemDelegateManager::SetShelfItemDelegate( | 36 void ShelfItemDelegateManager::SetShelfItemDelegate( |
37 ShelfID id, | 37 ShelfID id, |
38 std::unique_ptr<ShelfItemDelegate> item_delegate) { | 38 std::unique_ptr<ShelfItemDelegate> item_delegate) { |
39 // If another ShelfItemDelegate is already registered for |id|, we assume | 39 // If another ShelfItemDelegate is already registered for |id|, we assume |
40 // that this request is replacing ShelfItemDelegate for |id| with | 40 // that this request is replacing ShelfItemDelegate for |id| with |
41 // |item_delegate|. | 41 // |item_delegate|. |
42 RemoveShelfItemDelegate(id); | 42 RemoveShelfItemDelegate(id); |
43 | 43 |
44 FOR_EACH_OBSERVER(ShelfItemDelegateManagerObserver, | 44 FOR_EACH_OBSERVER(ShelfItemDelegateManagerObserver, observers_, |
45 observers_, | |
46 OnSetShelfItemDelegate(id, item_delegate.get())); | 45 OnSetShelfItemDelegate(id, item_delegate.get())); |
47 | 46 |
48 id_to_item_delegate_map_[id] = item_delegate.release(); | 47 id_to_item_delegate_map_[id] = item_delegate.release(); |
49 } | 48 } |
50 | 49 |
51 ShelfItemDelegate* ShelfItemDelegateManager::GetShelfItemDelegate(ShelfID id) { | 50 ShelfItemDelegate* ShelfItemDelegateManager::GetShelfItemDelegate(ShelfID id) { |
52 if (model_->ItemIndexByID(id) != -1) { | 51 if (model_->ItemIndexByID(id) != -1) { |
53 // Each ShelfItem has to have a ShelfItemDelegate. | 52 // Each ShelfItem has to have a ShelfItemDelegate. |
54 DCHECK(id_to_item_delegate_map_.find(id) != id_to_item_delegate_map_.end()); | 53 DCHECK(id_to_item_delegate_map_.find(id) != id_to_item_delegate_map_.end()); |
55 return id_to_item_delegate_map_[id]; | 54 return id_to_item_delegate_map_[id]; |
56 } | 55 } |
57 return NULL; | 56 return NULL; |
58 } | 57 } |
59 | 58 |
60 void ShelfItemDelegateManager::ShelfItemAdded(int index) {} | 59 void ShelfItemDelegateManager::ShelfItemAdded(int index) {} |
61 | 60 |
62 void ShelfItemDelegateManager::ShelfItemRemoved(int index, ShelfID id) { | 61 void ShelfItemDelegateManager::ShelfItemRemoved(int index, ShelfID id) { |
63 RemoveShelfItemDelegate(id); | 62 RemoveShelfItemDelegate(id); |
64 FOR_EACH_OBSERVER(ShelfItemDelegateManagerObserver, | 63 FOR_EACH_OBSERVER(ShelfItemDelegateManagerObserver, observers_, |
65 observers_, | |
66 OnSetShelfItemDelegate(id, nullptr)); | 64 OnSetShelfItemDelegate(id, nullptr)); |
67 } | 65 } |
68 | 66 |
69 void ShelfItemDelegateManager::ShelfItemMoved(int start_index, | 67 void ShelfItemDelegateManager::ShelfItemMoved(int start_index, |
70 int target_index) {} | 68 int target_index) {} |
71 | 69 |
72 void ShelfItemDelegateManager::ShelfItemChanged(int index, | 70 void ShelfItemDelegateManager::ShelfItemChanged(int index, |
73 const ShelfItem& old_item) {} | 71 const ShelfItem& old_item) {} |
74 | 72 |
75 void ShelfItemDelegateManager::RemoveShelfItemDelegate(ShelfID id) { | 73 void ShelfItemDelegateManager::RemoveShelfItemDelegate(ShelfID id) { |
76 if (id_to_item_delegate_map_.find(id) != id_to_item_delegate_map_.end()) { | 74 if (id_to_item_delegate_map_.find(id) != id_to_item_delegate_map_.end()) { |
77 delete id_to_item_delegate_map_[id]; | 75 delete id_to_item_delegate_map_[id]; |
78 id_to_item_delegate_map_.erase(id); | 76 id_to_item_delegate_map_.erase(id); |
79 } | 77 } |
80 } | 78 } |
81 | 79 |
82 } // namespace ash | 80 } // namespace ash |
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