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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_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_ | |
6 #define MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_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/public/cpp/bindings/strong_binding.h" | |
13 #include "view_manager/public/cpp/types.h" | |
14 #include "view_manager/public/cpp/view.h" | |
15 #include "view_manager/public/cpp/view_manager.h" | |
16 #include "view_manager/public/interfaces/view_manager.mojom.h" | |
17 #include "window_manager/public/interfaces/window_manager.mojom.h" | |
18 | |
19 namespace mojo { | |
20 class Shell; | |
21 class ViewManager; | |
22 class ViewManagerDelegate; | |
23 class ViewManagerTransaction; | |
24 | |
25 // Manages the connection with the View Manager service. | |
26 class ViewManagerClientImpl : public ViewManager, | |
27 public ViewManagerClient, | |
28 public WindowManagerClient, | |
29 public ErrorHandler { | |
30 public: | |
31 ViewManagerClientImpl(ViewManagerDelegate* delegate, | |
32 Shell* shell, | |
33 ScopedMessagePipeHandle handle, | |
34 bool delete_on_error); | |
35 ~ViewManagerClientImpl() override; | |
36 | |
37 bool connected() const { return connected_; } | |
38 ConnectionSpecificId connection_id() const { return connection_id_; } | |
39 | |
40 // API exposed to the view implementations that pushes local changes to the | |
41 // service. | |
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 view. | |
47 void AddChild(Id child_id, Id parent_id); | |
48 void RemoveChild(Id child_id, Id parent_id); | |
49 | |
50 void Reorder(Id view_id, Id relative_view_id, OrderDirection direction); | |
51 | |
52 // Returns true if the specified view was created by this connection. | |
53 bool OwnsView(Id id) const; | |
54 | |
55 void SetBounds(Id view_id, const Rect& bounds); | |
56 void SetSurfaceId(Id view_id, SurfaceIdPtr surface_id); | |
57 void SetFocus(Id view_id); | |
58 void SetVisible(Id view_id, bool visible); | |
59 void SetProperty(Id view_id, | |
60 const std::string& name, | |
61 const std::vector<uint8_t>& data); | |
62 | |
63 void Embed(const String& url, Id view_id); | |
64 void Embed(const String& url, | |
65 Id view_id, | |
66 InterfaceRequest<ServiceProvider> services, | |
67 ServiceProviderPtr exposed_services); | |
68 | |
69 void set_change_acked_callback(const base::Callback<void(void)>& callback) { | |
70 change_acked_callback_ = callback; | |
71 } | |
72 void ClearChangeAckedCallback() { | |
73 change_acked_callback_ = base::Callback<void(void)>(); | |
74 } | |
75 | |
76 // Start/stop tracking views. While tracked, they can be retrieved via | |
77 // ViewManager::GetViewById. | |
78 void AddView(View* view); | |
79 void RemoveView(Id view_id); | |
80 | |
81 private: | |
82 friend class RootObserver; | |
83 | |
84 typedef std::map<Id, View*> IdToViewMap; | |
85 | |
86 Id CreateViewOnServer(); | |
87 | |
88 // Overridden from ViewManager: | |
89 const std::string& GetEmbedderURL() const override; | |
90 View* GetRoot() override; | |
91 View* GetViewById(Id id) override; | |
92 View* GetFocusedView() override; | |
93 View* CreateView() override; | |
94 | |
95 // Overridden from ViewManagerClient: | |
96 void OnEmbed(ConnectionSpecificId connection_id, | |
97 const String& creator_url, | |
98 ViewDataPtr root, | |
99 InterfaceRequest<ServiceProvider> services, | |
100 ServiceProviderPtr exposed_services, | |
101 ScopedMessagePipeHandle window_manager_pipe) override; | |
102 void OnEmbeddedAppDisconnected(Id view_id) override; | |
103 void OnViewBoundsChanged(Id view_id, | |
104 RectPtr old_bounds, | |
105 RectPtr new_bounds) override; | |
106 void OnViewViewportMetricsChanged(ViewportMetricsPtr old_metrics, | |
107 ViewportMetricsPtr new_metrics) override; | |
108 void OnViewHierarchyChanged(Id view_id, | |
109 Id new_parent_id, | |
110 Id old_parent_id, | |
111 Array<ViewDataPtr> views) override; | |
112 void OnViewReordered(Id view_id, | |
113 Id relative_view_id, | |
114 OrderDirection direction) override; | |
115 void OnViewDeleted(Id view_id) override; | |
116 void OnViewVisibilityChanged(Id view_id, bool visible) override; | |
117 void OnViewDrawnStateChanged(Id view_id, bool drawn) override; | |
118 void OnViewSharedPropertyChanged(Id view_id, | |
119 const String& name, | |
120 Array<uint8_t> new_data) override; | |
121 void OnViewInputEvent(Id view_id, | |
122 EventPtr event, | |
123 const Callback<void()>& callback) override; | |
124 | |
125 // Overridden from WindowManagerClient: | |
126 void OnCaptureChanged(Id old_capture_view_id, | |
127 Id new_capture_view_id) override; | |
128 void OnFocusChanged(Id old_focused_view_id, Id new_focused_view_id) override; | |
129 void OnActiveWindowChanged(Id old_focused_view_id, | |
130 Id new_focused_view_id) override; | |
131 | |
132 // ErrorHandler implementation. | |
133 void OnConnectionError() override; | |
134 | |
135 void RootDestroyed(View* root); | |
136 | |
137 void OnActionCompleted(bool success); | |
138 void OnActionCompletedWithErrorCode(ErrorCode code); | |
139 | |
140 base::Callback<void(bool)> ActionCompletedCallback(); | |
141 base::Callback<void(ErrorCode)> ActionCompletedCallbackWithErrorCode(); | |
142 | |
143 // Callback from server for initial request of focused/active views. | |
144 void OnGotFocusedAndActiveViews(uint32 focused_view_id, | |
145 uint32 active_view_id); | |
146 | |
147 bool connected_; | |
148 ConnectionSpecificId connection_id_; | |
149 ConnectionSpecificId next_id_; | |
150 | |
151 std::string creator_url_; | |
152 | |
153 base::Callback<void(void)> change_acked_callback_; | |
154 | |
155 ViewManagerDelegate* delegate_; | |
156 | |
157 View* root_; | |
158 | |
159 IdToViewMap views_; | |
160 | |
161 View* capture_view_; | |
162 View* focused_view_; | |
163 View* activated_view_; | |
164 | |
165 WindowManagerPtr window_manager_; | |
166 | |
167 Binding<ViewManagerClient> binding_; | |
168 ViewManagerService* service_; | |
169 const bool delete_on_error_; | |
170 | |
171 DISALLOW_COPY_AND_ASSIGN(ViewManagerClientImpl); | |
172 }; | |
173 | |
174 } // namespace mojo | |
175 | |
176 #endif // MOJO_SERVICES_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_ | |
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