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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 MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_SYNCHRONIZER_H_ | |
| 6 #define MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_SYNCHRONIZER_H_ | |
| 7 | |
| 8 #include "base/basictypes.h" | |
| 9 #include "base/callback.h" | |
| 10 #include "base/memory/scoped_vector.h" | |
| 11 #include "base/memory/weak_ptr.h" | |
| 12 #include "mojo/services/public/cpp/geometry/geometry_type_converters.h" | |
| 13 #include "mojo/services/public/cpp/view_manager/view_manager.h" | |
| 14 #include "mojo/services/public/cpp/view_manager/view_manager_types.h" | |
| 15 #include "mojo/services/public/cpp/view_manager/view_tree_node.h" | |
| 16 #include "mojo/services/public/interfaces/view_manager/view_manager.mojom.h" | |
| 17 | |
| 18 class SkBitmap; | |
| 19 | |
| 20 namespace mojo { | |
| 21 namespace view_manager { | |
| 22 | |
| 23 class ViewManager; | |
| 24 class ViewManagerTransaction; | |
| 25 | |
| 26 // Manages the connection with the View Manager service. | |
| 27 class ViewManagerSynchronizer : public ViewManager, | |
| 28 public InterfaceImpl<ViewManagerClient> { | |
| 29 public: | |
| 30 explicit ViewManagerSynchronizer(ViewManagerDelegate* delegate); | |
| 31 virtual ~ViewManagerSynchronizer(); | |
| 32 | |
| 33 bool connected() const { return connected_; } | |
| 34 ConnectionSpecificId connection_id() const { return connection_id_; } | |
| 35 | |
| 36 // API exposed to the node/view implementations that pushes local changes to | |
| 37 // the service. | |
| 38 Id CreateViewTreeNode(); | |
| 39 void DestroyViewTreeNode(Id node_id); | |
| 40 | |
| 41 Id CreateView(); | |
| 42 void DestroyView(Id view_id); | |
| 43 | |
| 44 // These methods take TransportIds. For views owned by the current connection, | |
| 45 // the connection id high word can be zero. In all cases, the TransportId 0x1 | |
| 46 // refers to the root node. | |
| 47 void AddChild(Id child_id, Id parent_id); | |
| 48 void RemoveChild(Id child_id, Id parent_id); | |
| 49 | |
| 50 void Reorder(Id node_id, Id relative_node_id, OrderDirection direction); | |
| 51 | |
| 52 // Returns true if the specified node/view was created by this connection. | |
| 53 bool OwnsNode(Id id) const; | |
| 54 bool OwnsView(Id id) const; | |
| 55 | |
| 56 void SetActiveView(Id node_id, Id view_id); | |
| 57 void SetBounds(Id node_id, const gfx::Rect& bounds); | |
| 58 void SetViewContents(Id view_id, const SkBitmap& contents); | |
| 59 void SetFocus(Id node_id); | |
| 60 | |
| 61 void Embed(const String& url, Id node_id); | |
| 62 | |
| 63 void set_changes_acked_callback(const base::Callback<void(void)>& callback) { | |
| 64 changes_acked_callback_ = callback; | |
| 65 } | |
| 66 void ClearChangesAckedCallback() { | |
| 67 changes_acked_callback_ = base::Callback<void(void)>(); | |
| 68 } | |
| 69 | |
| 70 // Start/stop tracking nodes & views. While tracked, they can be retrieved via | |
| 71 // ViewManager::GetNode/ViewById. | |
| 72 void AddNode(ViewTreeNode* node); | |
| 73 void RemoveNode(Id node_id); | |
| 74 | |
| 75 void AddView(View* view); | |
| 76 void RemoveView(Id view_id); | |
| 77 | |
| 78 private: | |
| 79 friend class RootObserver; | |
| 80 friend class ViewManagerTransaction; | |
| 81 | |
| 82 typedef ScopedVector<ViewManagerTransaction> Transactions; | |
| 83 typedef std::map<Id, ViewTreeNode*> IdToNodeMap; | |
| 84 typedef std::map<Id, View*> IdToViewMap; | |
| 85 typedef std::map<ConnectionSpecificId, | |
| 86 ViewManagerSynchronizer*> SynchronizerMap; | |
| 87 | |
| 88 // Overridden from ViewManager: | |
| 89 virtual const std::string& GetEmbedderURL() const OVERRIDE; | |
| 90 virtual const std::vector<ViewTreeNode*>& GetRoots() const OVERRIDE; | |
| 91 virtual ViewTreeNode* GetNodeById(Id id) OVERRIDE; | |
| 92 virtual View* GetViewById(Id id) OVERRIDE; | |
| 93 | |
| 94 // Overridden from InterfaceImpl: | |
| 95 virtual void OnConnectionEstablished() OVERRIDE; | |
| 96 | |
| 97 // Overridden from ViewManagerClient: | |
| 98 virtual void OnViewManagerConnectionEstablished( | |
| 99 ConnectionSpecificId connection_id, | |
| 100 const String& creator_url, | |
| 101 Id next_server_change_id, | |
| 102 Array<NodeDataPtr> nodes) OVERRIDE; | |
| 103 virtual void OnRootsAdded(Array<NodeDataPtr> nodes) OVERRIDE; | |
| 104 virtual void OnServerChangeIdAdvanced(Id next_server_change_id) OVERRIDE; | |
| 105 virtual void OnNodeBoundsChanged(Id node_id, | |
| 106 RectPtr old_bounds, | |
| 107 RectPtr new_bounds) OVERRIDE; | |
| 108 virtual void OnNodeHierarchyChanged(Id node_id, | |
| 109 Id new_parent_id, | |
| 110 Id old_parent_id, | |
| 111 Id server_change_id, | |
| 112 Array<NodeDataPtr> nodes) OVERRIDE; | |
| 113 virtual void OnNodeReordered(Id node_id, | |
| 114 Id relative_node_id, | |
| 115 OrderDirection direction, | |
| 116 Id server_change_id) OVERRIDE; | |
| 117 virtual void OnNodeDeleted(Id node_id, Id server_change_id) OVERRIDE; | |
| 118 virtual void OnNodeViewReplaced(Id node, | |
| 119 Id new_view_id, | |
| 120 Id old_view_id) OVERRIDE; | |
| 121 virtual void OnViewDeleted(Id view_id) OVERRIDE; | |
| 122 virtual void OnViewInputEvent(Id view, | |
| 123 EventPtr event, | |
| 124 const Callback<void()>& callback) OVERRIDE; | |
| 125 | |
| 126 // Sync the client model with the service by enumerating the pending | |
| 127 // transaction queue and applying them in order. | |
| 128 void Sync(); | |
| 129 | |
| 130 // Removes |transaction| from the pending queue. |transaction| must be at the | |
| 131 // front of the queue. | |
| 132 void RemoveFromPendingQueue(ViewManagerTransaction* transaction); | |
| 133 | |
| 134 void AddRoot(ViewTreeNode* root); | |
| 135 void RemoveRoot(ViewTreeNode* root); | |
| 136 | |
| 137 bool connected_; | |
| 138 ConnectionSpecificId connection_id_; | |
| 139 ConnectionSpecificId next_id_; | |
| 140 Id next_server_change_id_; | |
| 141 | |
| 142 std::string creator_url_; | |
| 143 | |
| 144 Transactions pending_transactions_; | |
| 145 | |
| 146 base::Callback<void(void)> changes_acked_callback_; | |
| 147 | |
| 148 ViewManagerDelegate* delegate_; | |
| 149 | |
| 150 std::vector<ViewTreeNode*> roots_; | |
| 151 | |
| 152 IdToNodeMap nodes_; | |
| 153 IdToViewMap views_; | |
| 154 | |
| 155 ViewManagerService* service_; | |
| 156 | |
| 157 DISALLOW_COPY_AND_ASSIGN(ViewManagerSynchronizer); | |
| 158 }; | |
| 159 | |
| 160 } // namespace view_manager | |
| 161 } // namespace mojo | |
| 162 | |
| 163 #endif // MOJO_SERVICES_PUBLIC_CPP_VIEW_MANAGER_LIB_VIEW_MANAGER_SYNCHRONIZER_H
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Chromium Code Reviews
Issue 338093008:
Client side name cleanup (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src