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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ | 5 #ifndef COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ |
6 #define COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ | 6 #define COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ |
7 | 7 |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
11 #include "base/callback.h" | 11 #include "base/callback.h" |
12 #include "base/observer_list.h" | 12 #include "base/observer_list.h" |
13 #include "components/mus/public/cpp/types.h" | 13 #include "components/mus/public/cpp/types.h" |
| 14 #include "components/mus/public/interfaces/mus_constants.mojom.h" |
14 #include "components/mus/public/interfaces/surface_id.mojom.h" | 15 #include "components/mus/public/interfaces/surface_id.mojom.h" |
15 #include "components/mus/public/interfaces/view_manager_constants.mojom.h" | |
16 #include "components/mus/public/interfaces/view_tree.mojom.h" | 16 #include "components/mus/public/interfaces/view_tree.mojom.h" |
17 #include "mojo/application/public/interfaces/service_provider.mojom.h" | 17 #include "mojo/application/public/interfaces/service_provider.mojom.h" |
18 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h" | 18 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h" |
19 #include "third_party/mojo/src/mojo/public/cpp/system/macros.h" | 19 #include "third_party/mojo/src/mojo/public/cpp/system/macros.h" |
20 #include "ui/mojo/geometry/geometry.mojom.h" | 20 #include "ui/mojo/geometry/geometry.mojom.h" |
21 | 21 |
22 namespace mojo { | 22 namespace mus { |
23 | 23 |
24 class ServiceProviderImpl; | 24 class ServiceProviderImpl; |
25 class View; | 25 class View; |
26 class ViewObserver; | 26 class ViewObserver; |
27 class ViewSurface; | 27 class ViewSurface; |
28 class ViewTreeConnection; | 28 class ViewTreeConnection; |
29 | 29 |
30 // Defined in view_property.h (which we do not include) | 30 // Defined in view_property.h (which we do not include) |
31 template <typename T> | 31 template <typename T> |
32 struct ViewProperty; | 32 struct ViewProperty; |
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48 // (such as the root) Destroy() does nothing. If the destruction is allowed | 48 // (such as the root) Destroy() does nothing. If the destruction is allowed |
49 // observers are notified and the View is immediately deleted. | 49 // observers are notified and the View is immediately deleted. |
50 void Destroy(); | 50 void Destroy(); |
51 | 51 |
52 ViewTreeConnection* connection() { return connection_; } | 52 ViewTreeConnection* connection() { return connection_; } |
53 | 53 |
54 // Configuration. | 54 // Configuration. |
55 Id id() const { return id_; } | 55 Id id() const { return id_; } |
56 | 56 |
57 // Geometric disposition. | 57 // Geometric disposition. |
58 const Rect& bounds() const { return bounds_; } | 58 const mojo::Rect& bounds() const { return bounds_; } |
59 void SetBounds(const Rect& bounds); | 59 void SetBounds(const mojo::Rect& bounds); |
60 | 60 |
61 // Visibility (also see IsDrawn()). When created views are hidden. | 61 // Visibility (also see IsDrawn()). When created views are hidden. |
62 bool visible() const { return visible_; } | 62 bool visible() const { return visible_; } |
63 void SetVisible(bool value); | 63 void SetVisible(bool value); |
64 | 64 |
65 const ViewportMetrics& viewport_metrics() { return *viewport_metrics_; } | 65 const mojo::ViewportMetrics& viewport_metrics() { return *viewport_metrics_; } |
66 | 66 |
67 scoped_ptr<ViewSurface> RequestSurface(); | 67 scoped_ptr<ViewSurface> RequestSurface(); |
68 | 68 |
69 // Returns the set of string to bag of byte properties. These properties are | 69 // Returns the set of string to bag of byte properties. These properties are |
70 // shared with the view manager. | 70 // shared with the view manager. |
71 const SharedProperties& shared_properties() const { return properties_; } | 71 const SharedProperties& shared_properties() const { return properties_; } |
72 // Sets a property. If |data| is null, this property is deleted. | 72 // Sets a property. If |data| is null, this property is deleted. |
73 void SetSharedProperty(const std::string& name, | 73 void SetSharedProperty(const std::string& name, |
74 const std::vector<uint8_t>* data); | 74 const std::vector<uint8_t>* data); |
75 | 75 |
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116 const View* parent() const { return parent_; } | 116 const View* parent() const { return parent_; } |
117 const Children& children() const { return children_; } | 117 const Children& children() const { return children_; } |
118 View* GetRoot() { | 118 View* GetRoot() { |
119 return const_cast<View*>(const_cast<const View*>(this)->GetRoot()); | 119 return const_cast<View*>(const_cast<const View*>(this)->GetRoot()); |
120 } | 120 } |
121 const View* GetRoot() const; | 121 const View* GetRoot() const; |
122 | 122 |
123 void AddChild(View* child); | 123 void AddChild(View* child); |
124 void RemoveChild(View* child); | 124 void RemoveChild(View* child); |
125 | 125 |
126 void Reorder(View* relative, OrderDirection direction); | 126 void Reorder(View* relative, mojo::OrderDirection direction); |
127 void MoveToFront(); | 127 void MoveToFront(); |
128 void MoveToBack(); | 128 void MoveToBack(); |
129 | 129 |
130 bool Contains(View* child) const; | 130 bool Contains(View* child) const; |
131 | 131 |
132 View* GetChildById(Id id); | 132 View* GetChildById(Id id); |
133 | 133 |
134 void SetTextInputState(TextInputStatePtr state); | 134 void SetTextInputState(mojo::TextInputStatePtr state); |
135 void SetImeVisibility(bool visible, TextInputStatePtr state); | 135 void SetImeVisibility(bool visible, mojo::TextInputStatePtr state); |
136 | 136 |
137 // Focus. | 137 // Focus. |
138 void SetFocus(); | 138 void SetFocus(); |
139 bool HasFocus() const; | 139 bool HasFocus() const; |
140 | 140 |
141 // Embedding. See view_tree.mojom for details. | 141 // Embedding. See view_tree.mojom for details. |
142 void Embed(ViewTreeClientPtr client); | 142 void Embed(mojo::ViewTreeClientPtr client); |
143 | 143 |
144 // NOTE: callback is run synchronously if Embed() is not allowed on this | 144 // NOTE: callback is run synchronously if Embed() is not allowed on this |
145 // View. | 145 // View. |
146 void Embed(ViewTreeClientPtr client, const EmbedCallback& callback); | 146 void Embed(mojo::ViewTreeClientPtr client, const EmbedCallback& callback); |
147 | 147 |
148 protected: | 148 protected: |
149 // This class is subclassed only by test classes that provide a public ctor. | 149 // This class is subclassed only by test classes that provide a public ctor. |
150 View(); | 150 View(); |
151 ~View(); | 151 ~View(); |
152 | 152 |
153 private: | 153 private: |
154 friend class ViewPrivate; | 154 friend class ViewPrivate; |
155 friend class ViewTreeClientImpl; | 155 friend class ViewTreeClientImpl; |
156 | 156 |
157 View(ViewTreeConnection* connection, Id id); | 157 View(ViewTreeConnection* connection, Id id); |
158 | 158 |
159 // Called by the public {Set,Get,Clear}Property functions. | 159 // Called by the public {Set,Get,Clear}Property functions. |
160 int64_t SetLocalPropertyInternal(const void* key, | 160 int64_t SetLocalPropertyInternal(const void* key, |
161 const char* name, | 161 const char* name, |
162 PropertyDeallocator deallocator, | 162 PropertyDeallocator deallocator, |
163 int64_t value, | 163 int64_t value, |
164 int64_t default_value); | 164 int64_t default_value); |
165 int64_t GetLocalPropertyInternal(const void* key, | 165 int64_t GetLocalPropertyInternal(const void* key, |
166 int64_t default_value) const; | 166 int64_t default_value) const; |
167 | 167 |
168 void LocalDestroy(); | 168 void LocalDestroy(); |
169 void LocalAddChild(View* child); | 169 void LocalAddChild(View* child); |
170 void LocalRemoveChild(View* child); | 170 void LocalRemoveChild(View* child); |
171 // Returns true if the order actually changed. | 171 // Returns true if the order actually changed. |
172 bool LocalReorder(View* relative, OrderDirection direction); | 172 bool LocalReorder(View* relative, mojo::OrderDirection direction); |
173 void LocalSetBounds(const Rect& old_bounds, const Rect& new_bounds); | 173 void LocalSetBounds(const mojo::Rect& old_bounds, |
174 void LocalSetViewportMetrics(const ViewportMetrics& old_metrics, | 174 const mojo::Rect& new_bounds); |
175 const ViewportMetrics& new_metrics); | 175 void LocalSetViewportMetrics(const mojo::ViewportMetrics& old_metrics, |
| 176 const mojo::ViewportMetrics& new_metrics); |
176 void LocalSetDrawn(bool drawn); | 177 void LocalSetDrawn(bool drawn); |
177 void LocalSetVisible(bool visible); | 178 void LocalSetVisible(bool visible); |
178 | 179 |
179 // Methods implementing visibility change notifications. See ViewObserver | 180 // Methods implementing visibility change notifications. See ViewObserver |
180 // for more details. | 181 // for more details. |
181 void NotifyViewVisibilityChanged(View* target); | 182 void NotifyViewVisibilityChanged(View* target); |
182 // Notifies this view's observers. Returns false if |this| was deleted during | 183 // Notifies this view's observers. Returns false if |this| was deleted during |
183 // the call (by an observer), otherwise true. | 184 // the call (by an observer), otherwise true. |
184 bool NotifyViewVisibilityChangedAtReceiver(View* target); | 185 bool NotifyViewVisibilityChangedAtReceiver(View* target); |
185 // Notifies this view and its child hierarchy. Returns false if |this| was | 186 // Notifies this view and its child hierarchy. Returns false if |this| was |
186 // deleted during the call (by an observer), otherwise true. | 187 // deleted during the call (by an observer), otherwise true. |
187 bool NotifyViewVisibilityChangedDown(View* target); | 188 bool NotifyViewVisibilityChangedDown(View* target); |
188 // Notifies this view and its parent hierarchy. | 189 // Notifies this view and its parent hierarchy. |
189 void NotifyViewVisibilityChangedUp(View* target); | 190 void NotifyViewVisibilityChangedUp(View* target); |
190 | 191 |
191 // Returns true if embed is allowed for this node. If embedding is allowed all | 192 // Returns true if embed is allowed for this node. If embedding is allowed all |
192 // the children are removed. | 193 // the children are removed. |
193 bool PrepareForEmbed(); | 194 bool PrepareForEmbed(); |
194 | 195 |
195 ViewTreeConnection* connection_; | 196 ViewTreeConnection* connection_; |
196 Id id_; | 197 Id id_; |
197 View* parent_; | 198 View* parent_; |
198 Children children_; | 199 Children children_; |
199 | 200 |
200 base::ObserverList<ViewObserver> observers_; | 201 base::ObserverList<ViewObserver> observers_; |
201 | 202 |
202 Rect bounds_; | 203 mojo::Rect bounds_; |
203 ViewportMetricsPtr viewport_metrics_; | 204 mojo::ViewportMetricsPtr viewport_metrics_; |
204 | 205 |
205 bool visible_; | 206 bool visible_; |
206 | 207 |
207 SharedProperties properties_; | 208 SharedProperties properties_; |
208 | 209 |
209 // Drawn state is derived from the visible state and the parent's visible | 210 // Drawn state is derived from the visible state and the parent's visible |
210 // state. This field is only used if the view has no parent (eg it's a root). | 211 // state. This field is only used if the view has no parent (eg it's a root). |
211 bool drawn_; | 212 bool drawn_; |
212 | 213 |
213 // Value struct to keep the name and deallocator for this property. | 214 // Value struct to keep the name and deallocator for this property. |
214 // Key cannot be used for this purpose because it can be char* or | 215 // Key cannot be used for this purpose because it can be char* or |
215 // WindowProperty<>. | 216 // WindowProperty<>. |
216 struct Value { | 217 struct Value { |
217 const char* name; | 218 const char* name; |
218 int64_t value; | 219 int64_t value; |
219 PropertyDeallocator deallocator; | 220 PropertyDeallocator deallocator; |
220 }; | 221 }; |
221 | 222 |
222 std::map<const void*, Value> prop_map_; | 223 std::map<const void*, Value> prop_map_; |
223 | 224 |
224 MOJO_DISALLOW_COPY_AND_ASSIGN(View); | 225 MOJO_DISALLOW_COPY_AND_ASSIGN(View); |
225 }; | 226 }; |
226 | 227 |
227 } // namespace mojo | 228 } // namespace mus |
228 | 229 |
229 #endif // COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ | 230 #endif // COMPONENTS_MUS_PUBLIC_CPP_VIEW_H_ |
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