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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 COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_ | |
6 #define COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_ | |
7 | |
8 #include "components/view_manager/public/cpp/types.h" | |
9 #include "components/view_manager/public/cpp/view.h" | |
10 #include "components/view_manager/public/cpp/view_manager.h" | |
11 #include "components/view_manager/public/interfaces/view_manager.mojom.h" | |
12 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h" | |
13 | |
14 namespace mojo { | |
15 class ViewManager; | |
16 class ViewManagerDelegate; | |
17 class ViewManagerTransaction; | |
18 | |
19 // Manages the connection with the View Manager service. | |
20 class ViewManagerClientImpl : public ViewManager, | |
21 public ViewManagerClient { | |
22 public: | |
23 ViewManagerClientImpl(ViewManagerDelegate* delegate, | |
24 InterfaceRequest<ViewManagerClient> request); | |
25 ~ViewManagerClientImpl() override; | |
26 | |
27 bool connected() const { return service_; } | |
28 ConnectionSpecificId connection_id() const { return connection_id_; } | |
29 | |
30 // API exposed to the view implementations that pushes local changes to the | |
31 // service. | |
32 void DestroyView(Id view_id); | |
33 | |
34 // These methods take TransportIds. For views owned by the current connection, | |
35 // the connection id high word can be zero. In all cases, the TransportId 0x1 | |
36 // refers to the root view. | |
37 void AddChild(Id child_id, Id parent_id); | |
38 void RemoveChild(Id child_id, Id parent_id); | |
39 | |
40 void Reorder(Id view_id, Id relative_view_id, OrderDirection direction); | |
41 | |
42 // Returns true if the specified view was created by this connection. | |
43 bool OwnsView(Id id) const; | |
44 | |
45 void SetBounds(Id view_id, const Rect& bounds); | |
46 void SetSurfaceId(Id view_id, SurfaceIdPtr surface_id); | |
47 void SetFocus(Id view_id); | |
48 void SetVisible(Id view_id, bool visible); | |
49 void SetProperty(Id view_id, | |
50 const std::string& name, | |
51 const std::vector<uint8_t>& data); | |
52 void SetViewTextInputState(Id view_id, TextInputStatePtr state); | |
53 void SetImeVisibility(Id view_id, bool visible, TextInputStatePtr state); | |
54 | |
55 void Embed(const String& url, Id view_id); | |
56 void Embed(mojo::URLRequestPtr request, | |
57 Id view_id, | |
58 InterfaceRequest<ServiceProvider> services, | |
59 ServiceProviderPtr exposed_services); | |
60 void Embed(Id view_id, ViewManagerClientPtr client); | |
61 void EmbedAllowingReembed(mojo::URLRequestPtr request, Id view_id); | |
62 | |
63 void set_change_acked_callback(const Callback<void(void)>& callback) { | |
64 change_acked_callback_ = callback; | |
65 } | |
66 void ClearChangeAckedCallback() { change_acked_callback_.reset(); } | |
67 | |
68 // Start/stop tracking views. While tracked, they can be retrieved via | |
69 // ViewManager::GetViewById. | |
70 void AddView(View* view); | |
71 void RemoveView(Id view_id); | |
72 | |
73 bool is_embed_root() const { return is_embed_root_; } | |
74 | |
75 // Called after the root view's observers have been notified of destruction | |
76 // (as the last step of ~View). This ordering ensures that the View Manager | |
77 // is torn down after the root. | |
78 void OnRootDestroyed(View* root); | |
79 | |
80 private: | |
81 typedef std::map<Id, View*> IdToViewMap; | |
82 | |
83 Id CreateViewOnServer(); | |
84 | |
85 // Overridden from ViewManager: | |
86 View* GetRoot() override; | |
87 View* GetViewById(Id id) override; | |
88 View* GetFocusedView() override; | |
89 View* CreateView() override; | |
90 void SetEmbedRoot() override; | |
91 | |
92 // Overridden from ViewManagerClient: | |
93 void OnEmbed(ConnectionSpecificId connection_id, | |
94 ViewDataPtr root, | |
95 ViewManagerServicePtr view_manager_service, | |
96 Id focused_view_id) override; | |
97 void OnEmbedForDescendant( | |
98 Id view, | |
99 mojo::URLRequestPtr request, | |
100 const OnEmbedForDescendantCallback& callback) override; | |
101 void OnEmbeddedAppDisconnected(Id view_id) override; | |
102 void OnUnembed() 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 void OnViewFocused(Id focused_view_id) override; | |
125 | |
126 void RootDestroyed(View* root); | |
127 | |
128 void OnActionCompleted(bool success); | |
129 | |
130 Callback<void(bool)> ActionCompletedCallback(); | |
131 | |
132 ConnectionSpecificId connection_id_; | |
133 ConnectionSpecificId next_id_; | |
134 | |
135 Callback<void(void)> change_acked_callback_; | |
136 | |
137 ViewManagerDelegate* delegate_; | |
138 | |
139 View* root_; | |
140 | |
141 IdToViewMap views_; | |
142 | |
143 View* capture_view_; | |
144 View* focused_view_; | |
145 View* activated_view_; | |
146 | |
147 Binding<ViewManagerClient> binding_; | |
148 ViewManagerServicePtr service_; | |
149 | |
150 bool is_embed_root_; | |
151 | |
152 bool in_destructor_; | |
153 | |
154 MOJO_DISALLOW_COPY_AND_ASSIGN(ViewManagerClientImpl); | |
155 }; | |
156 | |
157 } // namespace mojo | |
158 | |
159 #endif // COMPONENTS_VIEW_MANAGER_PUBLIC_CPP_LIB_VIEW_MANAGER_CLIENT_IMPL_H_ | |
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