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1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 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 import '../rendering/box.dart'; | 5 import '../rendering/box.dart'; |
6 import '../rendering/object.dart'; | 6 import '../rendering/object.dart'; |
7 import '../theme/view_configuration.dart'; | 7 import '../theme/view_configuration.dart'; |
8 import 'widget.dart'; | 8 import 'widget.dart'; |
9 | 9 |
10 enum ScaffoldSlots { | 10 enum ScaffoldSlots { |
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174 | 174 |
175 Widget _toolbar; | 175 Widget _toolbar; |
176 Widget _body; | 176 Widget _body; |
177 Widget _statusBar; | 177 Widget _statusBar; |
178 Widget _drawer; | 178 Widget _drawer; |
179 Widget _floatingActionButton; | 179 Widget _floatingActionButton; |
180 | 180 |
181 RenderScaffold get root => super.root; | 181 RenderScaffold get root => super.root; |
182 RenderScaffold createNode() => new RenderScaffold(); | 182 RenderScaffold createNode() => new RenderScaffold(); |
183 | 183 |
| 184 void walkChildren(WidgetTreeWalker walker) { |
| 185 if (_toolbar != null) |
| 186 walker(_toolbar); |
| 187 if (_body != null) |
| 188 walker(_body); |
| 189 if (_statusBar != null) |
| 190 walker(_statusBar); |
| 191 if (_drawer != null) |
| 192 walker(_drawer); |
| 193 if (_floatingActionButton != null) |
| 194 walker(_floatingActionButton); |
| 195 } |
| 196 |
184 void insertChildRoot(RenderObjectWrapper child, ScaffoldSlots slot) { | 197 void insertChildRoot(RenderObjectWrapper child, ScaffoldSlots slot) { |
185 root[slot] = child != null ? child.root : null; | 198 root[slot] = child != null ? child.root : null; |
186 } | 199 } |
187 | 200 |
188 void detachChildRoot(RenderObjectWrapper child) { | 201 void detachChildRoot(RenderObjectWrapper child) { |
189 final root = this.root; // TODO(ianh): Remove this once the analyzer is clev
erer | 202 final root = this.root; // TODO(ianh): Remove this once the analyzer is clev
erer |
190 assert(root is RenderScaffold); | 203 assert(root is RenderScaffold); |
191 assert(root == child.root.parent); | 204 assert(root == child.root.parent); |
192 root.remove(child.root); | 205 root.remove(child.root); |
193 assert(root == this.root); // TODO(ianh): Remove this once the analyzer is c
leverer | 206 assert(root == this.root); // TODO(ianh): Remove this once the analyzer is c
leverer |
194 } | 207 } |
195 | 208 |
196 void remove() { | 209 void remove() { |
197 if (_toolbar != null) | 210 walkChildren((Widget child) => removeChild(child)); |
198 removeChild(_toolbar); | |
199 if (_body != null) | |
200 removeChild(_body); | |
201 if (_statusBar != null) | |
202 removeChild(_statusBar); | |
203 if (_drawer != null) | |
204 removeChild(_drawer); | |
205 if (_floatingActionButton != null) | |
206 removeChild(_floatingActionButton); | |
207 super.remove(); | 211 super.remove(); |
208 } | 212 } |
209 | 213 |
210 void syncRenderObject(Widget old) { | 214 void syncRenderObject(Widget old) { |
211 super.syncRenderObject(old); | 215 super.syncRenderObject(old); |
212 _toolbar = syncChild(_toolbar, old is Scaffold ? old._toolbar : null, Scaffo
ldSlots.toolbar); | 216 _toolbar = syncChild(_toolbar, old is Scaffold ? old._toolbar : null, Scaffo
ldSlots.toolbar); |
213 _body = syncChild(_body, old is Scaffold ? old._body : null, ScaffoldSlots.b
ody); | 217 _body = syncChild(_body, old is Scaffold ? old._body : null, ScaffoldSlots.b
ody); |
214 _statusBar = syncChild(_statusBar, old is Scaffold ? old._statusBar : null,
ScaffoldSlots.statusBar); | 218 _statusBar = syncChild(_statusBar, old is Scaffold ? old._statusBar : null,
ScaffoldSlots.statusBar); |
215 _drawer = syncChild(_drawer, old is Scaffold ? old._drawer : null, ScaffoldS
lots.drawer); | 219 _drawer = syncChild(_drawer, old is Scaffold ? old._drawer : null, ScaffoldS
lots.drawer); |
216 _floatingActionButton = syncChild(_floatingActionButton, old is Scaffold ? o
ld._floatingActionButton : null, ScaffoldSlots.floatingActionButton); | 220 _floatingActionButton = syncChild(_floatingActionButton, old is Scaffold ? o
ld._floatingActionButton : null, ScaffoldSlots.floatingActionButton); |
217 } | 221 } |
218 | 222 |
219 } | 223 } |
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