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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ | 5 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ |
| 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ | 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ |
| 7 | 7 |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "base/observer_list.h" | 11 #include "base/observer_list.h" |
| 12 #include "chrome/common/notification_observer.h" | 12 #include "chrome/common/notification_observer.h" |
| 13 #include "chrome/common/notification_registrar.h" | 13 #include "chrome/common/notification_registrar.h" |
| 14 #include "chrome/browser/extensions/extension_host.h" | 14 #include "chrome/browser/extensions/extension_host.h" |
| 15 #include "chrome/browser/extensions/extensions_service.h" | 15 #include "chrome/browser/extensions/extensions_service.h" |
| 16 | 16 |
| 17 class Browser; | 17 class Browser; |
| 18 class ExtensionPrefs; | 18 class ExtensionPrefs; |
| 19 class ExtensionShelfModelObserver; | 19 |
| 20 // Objects implement this interface when they wish to be notified of changes to |
| 21 // the ExtensionShelfModel. |
| 22 // |
| 23 // Register your ExtensionShelfModelObserver with the ExtensionShelfModel using |
| 24 // Add/RemoveObserver methods. |
| 25 class ExtensionShelfModelObserver { |
| 26 public: |
| 27 // A new toolstrip was inserted into ExtensionShelfModel at |index|. |
| 28 virtual void ToolstripInsertedAt(ExtensionHost* toolstrip, int index) {} |
| 29 |
| 30 // The specified toolstrip is being removed and destroyed. |
| 31 virtual void ToolstripRemovingAt(ExtensionHost* toolstrip, int index) {} |
| 32 |
| 33 // |toolstrip| moved from |from_index| to |to_index|. |
| 34 virtual void ToolstripMoved(ExtensionHost* toolstrip, |
| 35 int from_index, |
| 36 int to_index) {} |
| 37 |
| 38 // The specified toolstrip changed in some way (currently only size changes) |
| 39 virtual void ToolstripChangedAt(ExtensionHost* toolstrip, int index) {} |
| 40 |
| 41 // There are no more toolstrips in the model. |
| 42 virtual void ExtensionShelfEmpty() {} |
| 43 |
| 44 // The entire model may have changed. |
| 45 virtual void ShelfModelReloaded() {} |
| 46 |
| 47 // TODO(erikkay) - any more? |
| 48 }; |
| 20 | 49 |
| 21 // The model representing the toolstrips on an ExtensionShelf. The order of | 50 // The model representing the toolstrips on an ExtensionShelf. The order of |
| 22 // the toolstrips is common across all of the models for a given Profile, | 51 // the toolstrips is common across all of the models for a given Profile, |
| 23 // but there are multiple models. Each model contains the hosts/views which | 52 // but there are multiple models. Each model contains the hosts/views which |
| 24 // are specific to a Browser. | 53 // are specific to a Browser. |
| 25 class ExtensionShelfModel : public NotificationObserver { | 54 class ExtensionShelfModel : public NotificationObserver { |
| 26 public: | 55 public: |
| 27 ExtensionShelfModel(Browser* browser); | 56 ExtensionShelfModel(Browser* browser); |
| 28 virtual ~ExtensionShelfModel(); | 57 virtual ~ExtensionShelfModel(); |
| 29 | 58 |
| 30 struct ToolstripItem { | 59 struct ToolstripItem { |
| 31 ExtensionHost* host; | 60 ExtensionHost* host; |
| 32 Extension::ToolstripInfo info; | 61 Extension::ToolstripInfo info; |
| 33 void* data; | 62 void* data; |
| 34 int height; | |
| 35 GURL url; | |
| 36 }; | 63 }; |
| 37 | 64 |
| 38 typedef std::vector<ToolstripItem> ToolstripList; | |
| 39 typedef ToolstripList::iterator iterator; | |
| 40 | |
| 41 // Add and remove observers to changes within this ExtensionShelfModel. | 65 // Add and remove observers to changes within this ExtensionShelfModel. |
| 42 void AddObserver(ExtensionShelfModelObserver* observer); | 66 void AddObserver(ExtensionShelfModelObserver* observer); |
| 43 void RemoveObserver(ExtensionShelfModelObserver* observer); | 67 void RemoveObserver(ExtensionShelfModelObserver* observer); |
| 44 | 68 |
| 45 // The number of toolstrips in the model. | 69 // The number of toolstrips in the model. |
| 46 int count() const { return static_cast<int>(toolstrips_.size()); } | 70 int count() const { return static_cast<int>(toolstrips_.size()); } |
| 47 bool empty() const { return toolstrips_.empty(); } | 71 bool empty() const { return toolstrips_.empty(); } |
| 48 | 72 |
| 49 // Iterators for the toolstrips in the model. | |
| 50 iterator begin() { return toolstrips_.begin(); } | |
| 51 ExtensionShelfModel::iterator end() { return toolstrips_.end(); } | |
| 52 | |
| 53 // Add |toolstrip| to the end of the shelf. | 73 // Add |toolstrip| to the end of the shelf. |
| 54 void AppendToolstrip(const ToolstripItem& toolstrip); | 74 void AppendToolstrip(const ToolstripItem& toolstrip); |
| 55 | 75 |
| 56 // Insert |toolstrip| and |data| at |index|. | 76 // Insert |toolstrip| and |data| at |index|. |
| 57 void InsertToolstripAt(int index, const ToolstripItem& toolstrip); | 77 void InsertToolstripAt(int index, const ToolstripItem& toolstrip); |
| 58 | 78 |
| 59 // Remove the toolstrip at |index|. | 79 // Remove the toolstrip at |index|. |
| 60 void RemoveToolstripAt(int index); | 80 void RemoveToolstripAt(int index); |
| 61 | 81 |
| 62 // Move the toolstrip at |index| to |to_index|. | 82 // Move the toolstrip at |index| to |to_index|. |
| 63 void MoveToolstripAt(int index, int to_index); | 83 void MoveToolstripAt(int index, int to_index); |
| 64 | 84 |
| 65 // Lookup the index of |host|. Returns -1 if not present. | 85 // Lookup the index of |toolstrip|. Returns -1 if not present. |
| 66 int IndexOfHost(ExtensionHost* host); | 86 int IndexOfToolstrip(ExtensionHost* toolstrip); |
| 67 | 87 |
| 68 // Return the toolstrip at |index|. | 88 // Return the toolstrip at |index|. |
| 69 const ToolstripItem& ToolstripAt(int index); | 89 ExtensionHost* ToolstripAt(int index); |
| 70 | 90 |
| 71 // Return the ToolstripItem associated with |host| or NULL if it's not | 91 // Return the ToolstripInfo at |index|. |
| 72 // present. | 92 Extension::ToolstripInfo& ToolstripInfoAt(int index); |
| 73 ToolstripList::iterator ToolstripForHost(ExtensionHost* host); | |
| 74 | 93 |
| 75 // Set some arbitrary data associated with a particular toolstrip. | 94 // Get/Set some arbitrary data associated with a particular toolstrip. |
| 76 void SetToolstripDataAt(int index, void* data); | 95 void SetToolstripDataAt(int index, void* data); |
| 77 | 96 void* ToolstripDataAt(int index); |
| 78 // Update the ToolstripItem for |toolstrip| to set its |url| and |height| | |
| 79 // and then call ToolstripChanged for all observers. | |
| 80 // If |url| is empty, no navigation is requested. | |
| 81 void ExpandToolstrip(iterator toolstrip, const GURL& url, int height); | |
| 82 | |
| 83 // Update the ToolstripItem for |toolstrip| to set its |url| and its height | |
| 84 // to 0, and then call ToolstripChanged for all observers. | |
| 85 // If |url| is empty, no navigation is requested. | |
| 86 void CollapseToolstrip(iterator toolstrip, const GURL& url); | |
| 87 | 97 |
| 88 // NotificationObserver | 98 // NotificationObserver |
| 89 virtual void Observe(NotificationType type, | 99 virtual void Observe(NotificationType type, |
| 90 const NotificationSource& source, | 100 const NotificationSource& source, |
| 91 const NotificationDetails& details); | 101 const NotificationDetails& details); |
| 92 | 102 |
| 93 private: | 103 private: |
| 94 // Add all of the toolstrips from |extension|. | 104 // Add all of the toolstrips from |extension|. |
| 95 void AddExtension(Extension* extension); | 105 void AddExtension(Extension* extension); |
| 96 | 106 |
| (...skipping 12 matching lines...) Expand all Loading... |
| 109 // The browser that this model is attached to. | 119 // The browser that this model is attached to. |
| 110 Browser* browser_; | 120 Browser* browser_; |
| 111 | 121 |
| 112 // The preferences that this model uses. | 122 // The preferences that this model uses. |
| 113 ExtensionPrefs* prefs_; | 123 ExtensionPrefs* prefs_; |
| 114 | 124 |
| 115 // Manages our notification registrations. | 125 // Manages our notification registrations. |
| 116 NotificationRegistrar registrar_; | 126 NotificationRegistrar registrar_; |
| 117 | 127 |
| 118 // The Toolstrips loaded in this model. The model owns these objects. | 128 // The Toolstrips loaded in this model. The model owns these objects. |
| 119 ToolstripList toolstrips_; | 129 typedef std::vector<ToolstripItem> ExtensionToolstrips; |
| 130 ExtensionToolstrips toolstrips_; |
| 120 | 131 |
| 121 // Our observers. | 132 // Our observers. |
| 122 typedef ObserverList<ExtensionShelfModelObserver> | 133 typedef ObserverList<ExtensionShelfModelObserver> |
| 123 ExtensionShelfModelObservers; | 134 ExtensionShelfModelObservers; |
| 124 ExtensionShelfModelObservers observers_; | 135 ExtensionShelfModelObservers observers_; |
| 125 | 136 |
| 126 // Whether the model has received an EXTENSIONS_READY notification. | 137 // Whether the model has received an EXTENSIONS_READY notification. |
| 127 bool ready_; | 138 bool ready_; |
| 128 | 139 |
| 129 DISALLOW_COPY_AND_ASSIGN(ExtensionShelfModel); | 140 DISALLOW_COPY_AND_ASSIGN(ExtensionShelfModel); |
| 130 }; | 141 }; |
| 131 | 142 |
| 132 // Objects implement this interface when they wish to be notified of changes to | |
| 133 // the ExtensionShelfModel. | |
| 134 // | |
| 135 // Register your ExtensionShelfModelObserver with the ExtensionShelfModel using | |
| 136 // Add/RemoveObserver methods. | |
| 137 class ExtensionShelfModelObserver { | |
| 138 public: | |
| 139 // A new toolstrip was inserted into ExtensionShelfModel at |index|. | |
| 140 virtual void ToolstripInsertedAt(ExtensionHost* toolstrip, int index) {} | |
| 141 | |
| 142 // The specified toolstrip is being removed and destroyed. | |
| 143 virtual void ToolstripRemovingAt(ExtensionHost* toolstrip, int index) {} | |
| 144 | |
| 145 // |toolstrip| moved from |from_index| to |to_index|. | |
| 146 virtual void ToolstripMoved(ExtensionHost* toolstrip, | |
| 147 int from_index, | |
| 148 int to_index) {} | |
| 149 | |
| 150 // The specified toolstrip changed in some way (currently only size changes) | |
| 151 virtual void ToolstripChanged(ExtensionShelfModel::iterator toolstrip) {} | |
| 152 | |
| 153 // There are no more toolstrips in the model. | |
| 154 virtual void ExtensionShelfEmpty() {} | |
| 155 | |
| 156 // The entire model may have changed. | |
| 157 virtual void ShelfModelReloaded() {} | |
| 158 | |
| 159 // The model is being destroyed. | |
| 160 virtual void ShelfModelDeleting() {} | |
| 161 }; | |
| 162 | |
| 163 | |
| 164 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ | 143 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_SHELF_MODEL_H_ |
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