OLD | NEW |
(Empty) | |
| 1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_INTENTS_INTENTS_MODEL_H_ |
| 6 #define CHROME_BROWSER_UI_INTENTS_INTENTS_MODEL_H_ |
| 7 #pragma once |
| 8 |
| 9 #include "base/values.h" |
| 10 #include "chrome/browser/intents/web_intents_registry.h" |
| 11 #include "ui/base/models/tree_node_model.h" |
| 12 |
| 13 class WebIntentsRegistry; |
| 14 |
| 15 // The tree structure is a TYPE_ROOT node with title="", |
| 16 // children are TYPE_ORIGIN nodes with title=origin, whose |
| 17 // children are TYPE_SERVICE nodes with title=origin, and |
| 18 // will be of type ServiceTreeNode with data on individual |
| 19 // services. |
| 20 class IntentsTreeNode : public ui::TreeNode<IntentsTreeNode> { |
| 21 public: |
| 22 IntentsTreeNode() |
| 23 : ui::TreeNode<IntentsTreeNode>(string16()), |
| 24 type_(TYPE_ROOT) {} |
| 25 |
| 26 explicit IntentsTreeNode(const string16& title) |
| 27 : ui::TreeNode<IntentsTreeNode>(title), |
| 28 type_(TYPE_ORIGIN) {} |
| 29 |
| 30 virtual ~IntentsTreeNode() {} |
| 31 |
| 32 enum NodeType { |
| 33 TYPE_ROOT, |
| 34 TYPE_ORIGIN, |
| 35 TYPE_SERVICE, |
| 36 }; |
| 37 |
| 38 NodeType Type() const { return type_; } |
| 39 |
| 40 protected: |
| 41 IntentsTreeNode(const string16& title, NodeType type) |
| 42 : ui::TreeNode<IntentsTreeNode>(title), |
| 43 type_(type) {} |
| 44 |
| 45 private: |
| 46 NodeType type_; |
| 47 }; |
| 48 |
| 49 // Tree node representing particular services presented by an origin. |
| 50 class ServiceTreeNode : public IntentsTreeNode { |
| 51 public: |
| 52 explicit ServiceTreeNode(const string16& title); |
| 53 virtual ~ServiceTreeNode(); |
| 54 |
| 55 const string16& ServiceName() const { return service_name_; } |
| 56 const string16& ServiceUrl() const { return service_url_; } |
| 57 const string16& IconUrl() const { return icon_url_; } |
| 58 const string16& Action() const { return action_; } |
| 59 const base::ListValue& Types() const { return types_; } |
| 60 bool IsBlocked() const { return blocked_; } |
| 61 bool IsDisabled() const { return disabled_; } |
| 62 |
| 63 void SetServiceName(string16 name) { service_name_ = name; } |
| 64 void SetServiceUrl(string16 url) { service_url_ = url; } |
| 65 void SetIconUrl(string16 url) { icon_url_ = url; } |
| 66 void SetAction(string16 action) { action_ = action; } |
| 67 void AddType(string16 type) { types_.Append(Value::CreateStringValue(type)); } |
| 68 void SetBlocked(bool blocked) { blocked_ = blocked; } |
| 69 void SetDisabled(bool disabled) { disabled_ = disabled; } |
| 70 |
| 71 private: |
| 72 string16 service_name_; |
| 73 string16 icon_url_; |
| 74 string16 service_url_; |
| 75 string16 action_; |
| 76 base::ListValue types_; |
| 77 |
| 78 // TODO(gbillock): these are kind of a placeholder for exceptions data. |
| 79 bool blocked_; |
| 80 bool disabled_; |
| 81 }; |
| 82 |
| 83 // UI-backing tree model of the data in the WebIntentsRegistry. |
| 84 class IntentsModel : public ui::TreeNodeModel<IntentsTreeNode>, |
| 85 public WebIntentsRegistry::Consumer { |
| 86 public: |
| 87 // Because nodes are fetched in a background thread, they are not |
| 88 // present at the time the Model is created. The Model then notifies its |
| 89 // observers for every item added. |
| 90 class Observer : public ui::TreeModelObserver { |
| 91 public: |
| 92 virtual void TreeModelBeginBatch(IntentsModel* model) {} |
| 93 virtual void TreeModelEndBatch(IntentsModel* model) {} |
| 94 }; |
| 95 |
| 96 explicit IntentsModel(WebIntentsRegistry* intents_registry); |
| 97 virtual ~IntentsModel(); |
| 98 |
| 99 void AddIntentsTreeObserver(Observer* observer); |
| 100 void RemoveIntentsTreeObserver(Observer* observer); |
| 101 |
| 102 string16 GetTreeNodeId(IntentsTreeNode* node); |
| 103 IntentsTreeNode* GetTreeNode(std::string path_id); |
| 104 void GetChildNodeList(IntentsTreeNode* parent, int start, int count, |
| 105 base::ListValue* nodes); |
| 106 void GetIntentsTreeNodeDictionary(const IntentsTreeNode& node, |
| 107 base::DictionaryValue* dict); |
| 108 |
| 109 virtual void OnIntentsQueryDone( |
| 110 WebIntentsRegistry::QueryID query_id, |
| 111 const std::vector<WebIntentData>& intents) OVERRIDE; |
| 112 |
| 113 private: |
| 114 // Loads the data model from the WebIntentsRegistry. |
| 115 // TODO(gbillock): need an observer on that to absorb async updates? |
| 116 void LoadModel(); |
| 117 |
| 118 // Do batch-specific notifies for updates coming from the LoadModel. |
| 119 void NotifyObserverBeginBatch(); |
| 120 void NotifyObserverEndBatch(); |
| 121 |
| 122 // The backing registry. Weak pointer. |
| 123 WebIntentsRegistry* intents_registry_; |
| 124 |
| 125 // Separate list of observers that'll get batch updates. |
| 126 ObserverList<Observer> intents_observer_list_; |
| 127 |
| 128 // Batch update nesting level. Incremented to indicate that we're in |
| 129 // the middle of a batch update. |
| 130 int batch_update_; |
| 131 }; |
| 132 |
| 133 #endif // CHROME_BROWSER_UI_INTENTS_INTENTS_MODEL_H_ |
OLD | NEW |