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SemanticsObjectTest.mm
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1 // Copyright 2013 The Flutter 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 #import <OCMock/OCMock.h>
6 #import <XCTest/XCTest.h>
7
8 #import "flutter/shell/platform/darwin/common/framework/Headers/FlutterMacros.h"
9 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterPlatformViews_Internal.h"
10 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterSemanticsScrollView.h"
11 #import "flutter/shell/platform/darwin/ios/framework/Source/FlutterTouchInterceptingView_Test.h"
12 #import "flutter/shell/platform/darwin/ios/framework/Source/SemanticsObject.h"
13 #import "flutter/shell/platform/darwin/ios/framework/Source/SemanticsObjectTestMocks.h"
14 #import "flutter/shell/platform/darwin/ios/framework/Source/TextInputSemanticsObject.h"
15
16 FLUTTER_ASSERT_ARC
17
18 const float kFloatCompareEpsilon = 0.001;
19
20 @interface SemanticsObject (UIFocusSystem) <UIFocusItem, UIFocusItemContainer>
21 @end
22
23 @interface FlutterScrollableSemanticsObject (UIFocusItemScrollableContainer) <
24 UIFocusItemScrollableContainer>
25 @end
26
27 @interface TextInputSemanticsObject (Test)
28 - (UIView<UITextInput>*)textInputSurrogate;
29 @end
30
31 @interface SemanticsObjectTest : XCTestCase
32 @end
33
34 @implementation SemanticsObjectTest
35
36 - (void)testCreate {
37 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
38 new flutter::testing::MockAccessibilityBridge());
39 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
40 SemanticsObject* object = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
41 XCTAssertNotNil(object);
42 }
43
44 - (void)testSetChildren {
45 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
46 new flutter::testing::MockAccessibilityBridge());
47 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
48 SemanticsObject* parent = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
49 SemanticsObject* child = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
50 parent.children = @[ child ];
51 XCTAssertEqual(parent, child.parent);
52 parent.children = @[];
53 XCTAssertNil(child.parent);
54 }
55
56 - (void)testAccessibilityHitTestFocusAtLeaf {
57 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
58 new flutter::testing::MockAccessibilityBridge());
59 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
60 SemanticsObject* object0 = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
61 SemanticsObject* object1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
62 SemanticsObject* object2 = [[SemanticsObject alloc] initWithBridge:bridge uid:2];
63 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
64 object0.children = @[ object1 ];
65 object0.childrenInHitTestOrder = @[ object1 ];
66 object1.children = @[ object2, object3 ];
67 object1.childrenInHitTestOrder = @[ object2, object3 ];
68
69 flutter::SemanticsNode node0;
70 node0.id = 0;
71 node0.rect = SkRect::MakeXYWH(0, 0, 200, 200);
72 node0.label = "0";
73 [object0 setSemanticsNode:&node0];
74
75 flutter::SemanticsNode node1;
76 node1.id = 1;
77 node1.rect = SkRect::MakeXYWH(0, 0, 200, 200);
78 node1.label = "1";
79 [object1 setSemanticsNode:&node1];
80
81 flutter::SemanticsNode node2;
82 node2.id = 2;
83 node2.rect = SkRect::MakeXYWH(0, 0, 100, 100);
84 node2.label = "2";
85 [object2 setSemanticsNode:&node2];
86
87 flutter::SemanticsNode node3;
88 node3.id = 3;
89 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
90 node3.label = "3";
91 [object3 setSemanticsNode:&node3];
92
93 CGPoint point = CGPointMake(10, 10);
94 id hitTestResult = [object0 _accessibilityHitTest:point withEvent:nil];
95
96 // Focus to object2 because it's the first object in hit test order
97 XCTAssertEqual(hitTestResult, object2);
98 }
99
100 - (void)testAccessibilityHitTestNoFocusableItem {
101 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
102 new flutter::testing::MockAccessibilityBridge());
103 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
104 SemanticsObject* object0 = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
105 SemanticsObject* object1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
106 SemanticsObject* object2 = [[SemanticsObject alloc] initWithBridge:bridge uid:2];
107 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
108 object0.children = @[ object1 ];
109 object0.childrenInHitTestOrder = @[ object1 ];
110 object1.children = @[ object2, object3 ];
111 object1.childrenInHitTestOrder = @[ object2, object3 ];
112
113 flutter::SemanticsNode node0;
114 node0.id = 0;
115 node0.rect = SkRect::MakeXYWH(0, 0, 200, 200);
116 [object0 setSemanticsNode:&node0];
117
118 flutter::SemanticsNode node1;
119 node1.id = 1;
120 node1.rect = SkRect::MakeXYWH(0, 0, 200, 200);
121 [object1 setSemanticsNode:&node1];
122
123 flutter::SemanticsNode node2;
124 node2.id = 2;
125 node2.rect = SkRect::MakeXYWH(0, 0, 100, 100);
126 [object2 setSemanticsNode:&node2];
127
128 flutter::SemanticsNode node3;
129 node3.id = 3;
130 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
131 [object3 setSemanticsNode:&node3];
132
133 CGPoint point = CGPointMake(10, 10);
134 id hitTestResult = [object0 _accessibilityHitTest:point withEvent:nil];
135
136 XCTAssertNil(hitTestResult);
137 }
138
139 - (void)testAccessibilityScrollToVisible {
140 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
141 new flutter::testing::MockAccessibilityBridge());
142 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
143 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
144
145 flutter::SemanticsNode node3;
146 node3.id = 3;
147 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
148 [object3 setSemanticsNode:&node3];
149
150 [object3 accessibilityScrollToVisible];
151
152 XCTAssertTrue(bridge->observations.size() == 1);
153 XCTAssertTrue(bridge->observations[0].id == 3);
154 XCTAssertTrue(bridge->observations[0].action == flutter::SemanticsAction::kShowOnScreen);
155 }
156
157 - (void)testAccessibilityScrollToVisibleWithChild {
158 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
159 new flutter::testing::MockAccessibilityBridge());
160 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
161 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
162
163 flutter::SemanticsNode node3;
164 node3.id = 3;
165 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
166 [object3 setSemanticsNode:&node3];
167
168 [object3 accessibilityScrollToVisibleWithChild:object3];
169
170 XCTAssertTrue(bridge->observations.size() == 1);
171 XCTAssertTrue(bridge->observations[0].id == 3);
172 XCTAssertTrue(bridge->observations[0].action == flutter::SemanticsAction::kShowOnScreen);
173 }
174
175 - (void)testAccessibilityHitTestOutOfRect {
176 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
177 new flutter::testing::MockAccessibilityBridge());
178 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
179 SemanticsObject* object0 = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
180 SemanticsObject* object1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
181 SemanticsObject* object2 = [[SemanticsObject alloc] initWithBridge:bridge uid:2];
182 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
183 object0.children = @[ object1 ];
184 object0.childrenInHitTestOrder = @[ object1 ];
185 object1.children = @[ object2, object3 ];
186 object1.childrenInHitTestOrder = @[ object2, object3 ];
187
188 flutter::SemanticsNode node0;
189 node0.id = 0;
190 node0.rect = SkRect::MakeXYWH(0, 0, 200, 200);
191 node0.label = "0";
192 [object0 setSemanticsNode:&node0];
193
194 flutter::SemanticsNode node1;
195 node1.id = 1;
196 node1.rect = SkRect::MakeXYWH(0, 0, 200, 200);
197 node1.label = "1";
198 [object1 setSemanticsNode:&node1];
199
200 flutter::SemanticsNode node2;
201 node2.id = 2;
202 node2.rect = SkRect::MakeXYWH(0, 0, 100, 100);
203 node2.label = "2";
204 [object2 setSemanticsNode:&node2];
205
206 flutter::SemanticsNode node3;
207 node3.id = 3;
208 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
209 node3.label = "3";
210 [object3 setSemanticsNode:&node3];
211
212 CGPoint point = CGPointMake(300, 300);
213 id hitTestResult = [object0 _accessibilityHitTest:point withEvent:nil];
214
215 XCTAssertNil(hitTestResult);
216 }
217
218 - (void)testReplaceChildAtIndex {
219 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
220 new flutter::testing::MockAccessibilityBridge());
221 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
222 SemanticsObject* parent = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
223 SemanticsObject* child1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
224 SemanticsObject* child2 = [[SemanticsObject alloc] initWithBridge:bridge uid:2];
225 parent.children = @[ child1 ];
226 [parent replaceChildAtIndex:0 withChild:child2];
227 XCTAssertNil(child1.parent);
228 XCTAssertEqual(parent, child2.parent);
229 XCTAssertEqualObjects(parent.children, @[ child2 ]);
230 }
231
232 - (void)testPlainSemanticsObjectWithLabelHasStaticTextTrait {
233 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
234 new flutter::testing::MockAccessibilityBridge());
235 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
236 flutter::SemanticsNode node;
237 node.label = "foo";
238 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
239 [object setSemanticsNode:&node];
240 XCTAssertEqual([object accessibilityTraits], UIAccessibilityTraitStaticText);
241 }
242
243 - (void)testNodeWithImplicitScrollIsAnAccessibilityElementWhenItisHidden {
244 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
245 new flutter::testing::MockAccessibilityBridge());
246 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
247 flutter::SemanticsNode node;
248
249 node.flags.hasImplicitScrolling = true;
250 node.flags.isHidden = true;
251 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
252 [object setSemanticsNode:&node];
253 XCTAssertEqual(object.isAccessibilityElement, YES);
254 }
255
256 - (void)testNodeWithImplicitScrollIsNotAnAccessibilityElementWhenItisNotHidden {
257 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
258 new flutter::testing::MockAccessibilityBridge());
259 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
260 flutter::SemanticsNode node;
261 node.flags.hasImplicitScrolling = true;
262 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
263 [object setSemanticsNode:&node];
264 XCTAssertEqual(object.isAccessibilityElement, NO);
265 }
266
267 - (void)testIntresetingSemanticsObjectWithLabelHasStaticTextTrait {
268 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
269 new flutter::testing::MockAccessibilityBridge());
270 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
271 flutter::SemanticsNode node;
272 node.label = "foo";
273 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
274 SemanticsObject* child1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
275 object.children = @[ child1 ];
276 [object setSemanticsNode:&node];
277 XCTAssertEqual([object accessibilityTraits], UIAccessibilityTraitNone);
278 }
279
280 - (void)testIntresetingSemanticsObjectWithLabelHasStaticTextTrait1 {
281 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
282 new flutter::testing::MockAccessibilityBridge());
283 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
284 flutter::SemanticsNode node;
285 node.label = "foo";
286 node.flags.isTextField = true;
287 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
288 [object setSemanticsNode:&node];
289 XCTAssertEqual([object accessibilityTraits], UIAccessibilityTraitNone);
290 }
291
292 - (void)testIntresetingSemanticsObjectWithLabelHasStaticTextTrait2 {
293 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
294 new flutter::testing::MockAccessibilityBridge());
295 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
296 flutter::SemanticsNode node;
297 node.label = "foo";
298
299 node.flags.isButton = true;
300 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
301 [object setSemanticsNode:&node];
302 XCTAssertEqual([object accessibilityTraits], UIAccessibilityTraitButton);
303 }
304
305 - (void)testVerticalFlutterScrollableSemanticsObject {
306 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
307 new flutter::testing::MockAccessibilityBridge());
308 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
309
310 float transformScale = 0.5f;
311 float screenScale = [[bridge->view() window] screen].scale;
312 float effectivelyScale = transformScale / screenScale;
313 float x = 10;
314 float y = 10;
315 float w = 100;
316 float h = 200;
317 float scrollExtentMax = 500.0;
318 float scrollPosition = 150.0;
319
320 flutter::SemanticsNode node;
321 node.flags.hasImplicitScrolling = true;
322 node.actions = flutter::kVerticalScrollSemanticsActions;
323 node.rect = SkRect::MakeXYWH(x, y, w, h);
324 node.scrollExtentMax = scrollExtentMax;
325 node.scrollPosition = scrollPosition;
326 node.transform = {
327 transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, 1.0};
328 FlutterScrollableSemanticsObject* scrollable =
329 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
330 [scrollable setSemanticsNode:&node];
331 [scrollable accessibilityBridgeDidFinishUpdate];
332 UIScrollView* scrollView = [scrollable nativeAccessibility];
333
334 XCTAssertEqualWithAccuracy(scrollView.frame.origin.x, x * effectivelyScale, kFloatCompareEpsilon);
335 XCTAssertEqualWithAccuracy(scrollView.frame.origin.y, y * effectivelyScale, kFloatCompareEpsilon);
336 XCTAssertEqualWithAccuracy(scrollView.frame.size.width, w * effectivelyScale,
337 kFloatCompareEpsilon);
338 XCTAssertEqualWithAccuracy(scrollView.frame.size.height, h * effectivelyScale,
339 kFloatCompareEpsilon);
340
341 XCTAssertEqualWithAccuracy(scrollView.contentSize.width, w * effectivelyScale,
342 kFloatCompareEpsilon);
343 XCTAssertEqualWithAccuracy(scrollView.contentSize.height,
344 (h + scrollExtentMax) * effectivelyScale, kFloatCompareEpsilon);
345
346 XCTAssertEqual(scrollView.contentOffset.x, 0);
347 XCTAssertEqualWithAccuracy(scrollView.contentOffset.y, scrollPosition * effectivelyScale,
348 kFloatCompareEpsilon);
349 }
350
351 - (void)testVerticalFlutterScrollableSemanticsObjectNoWindowDoesNotCrash {
352 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
353 new flutter::testing::MockAccessibilityBridgeNoWindow());
354 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
355
356 float transformScale = 0.5f;
357 float x = 10;
358 float y = 10;
359 float w = 100;
360 float h = 200;
361 float scrollExtentMax = 500.0;
362 float scrollPosition = 150.0;
363
364 flutter::SemanticsNode node;
365 node.flags.hasImplicitScrolling = true;
366 node.actions = flutter::kVerticalScrollSemanticsActions;
367 node.rect = SkRect::MakeXYWH(x, y, w, h);
368 node.scrollExtentMax = scrollExtentMax;
369 node.scrollPosition = scrollPosition;
370 node.transform = {
371 transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, 1.0};
372 FlutterScrollableSemanticsObject* scrollable =
373 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
374 [scrollable setSemanticsNode:&node];
375 [scrollable accessibilityBridgeDidFinishUpdate];
376 XCTAssertNoThrow([scrollable accessibilityBridgeDidFinishUpdate]);
377 }
378
379 - (void)testHorizontalFlutterScrollableSemanticsObject {
380 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
381 new flutter::testing::MockAccessibilityBridge());
382 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
383
384 float transformScale = 0.5f;
385 float screenScale = [[bridge->view() window] screen].scale;
386 float effectivelyScale = transformScale / screenScale;
387 float x = 10;
388 float y = 10;
389 float w = 100;
390 float h = 200;
391 float scrollExtentMax = 500.0;
392 float scrollPosition = 150.0;
393
394 flutter::SemanticsNode node;
395 node.flags.hasImplicitScrolling = true;
396 node.actions = flutter::kHorizontalScrollSemanticsActions;
397 node.rect = SkRect::MakeXYWH(x, y, w, h);
398 node.scrollExtentMax = scrollExtentMax;
399 node.scrollPosition = scrollPosition;
400 node.transform = {
401 transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, 1.0};
402 FlutterScrollableSemanticsObject* scrollable =
403 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
404 [scrollable setSemanticsNode:&node];
405 [scrollable accessibilityBridgeDidFinishUpdate];
406 UIScrollView* scrollView = [scrollable nativeAccessibility];
407
408 XCTAssertEqualWithAccuracy(scrollView.frame.origin.x, x * effectivelyScale, kFloatCompareEpsilon);
409 XCTAssertEqualWithAccuracy(scrollView.frame.origin.y, y * effectivelyScale, kFloatCompareEpsilon);
410 XCTAssertEqualWithAccuracy(scrollView.frame.size.width, w * effectivelyScale,
411 kFloatCompareEpsilon);
412 XCTAssertEqualWithAccuracy(scrollView.frame.size.height, h * effectivelyScale,
413 kFloatCompareEpsilon);
414
415 XCTAssertEqualWithAccuracy(scrollView.contentSize.width, (w + scrollExtentMax) * effectivelyScale,
416 kFloatCompareEpsilon);
417 XCTAssertEqualWithAccuracy(scrollView.contentSize.height, h * effectivelyScale,
418 kFloatCompareEpsilon);
419
420 XCTAssertEqualWithAccuracy(scrollView.contentOffset.x, scrollPosition * effectivelyScale,
421 kFloatCompareEpsilon);
422 XCTAssertEqual(scrollView.contentOffset.y, 0);
423 }
424
425 - (void)testCanHandleInfiniteScrollExtent {
426 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
427 new flutter::testing::MockAccessibilityBridge());
428 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
429
430 float transformScale = 0.5f;
431 float screenScale = [[bridge->view() window] screen].scale;
432 float effectivelyScale = transformScale / screenScale;
433 float x = 10;
434 float y = 10;
435 float w = 100;
436 float h = 200;
437 float scrollExtentMax = INFINITY;
438 float scrollPosition = 150.0;
439
440 flutter::SemanticsNode node;
441 node.flags.hasImplicitScrolling = true;
442 node.actions = flutter::kVerticalScrollSemanticsActions;
443 node.rect = SkRect::MakeXYWH(x, y, w, h);
444 node.scrollExtentMax = scrollExtentMax;
445 node.scrollPosition = scrollPosition;
446 node.transform = {
447 transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, 1.0};
448 FlutterScrollableSemanticsObject* scrollable =
449 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
450 [scrollable setSemanticsNode:&node];
451 [scrollable accessibilityBridgeDidFinishUpdate];
452 UIScrollView* scrollView = [scrollable nativeAccessibility];
453 XCTAssertEqualWithAccuracy(scrollView.frame.origin.x, x * effectivelyScale, kFloatCompareEpsilon);
454 XCTAssertEqualWithAccuracy(scrollView.frame.origin.y, y * effectivelyScale, kFloatCompareEpsilon);
455 XCTAssertEqualWithAccuracy(scrollView.frame.size.width, w * effectivelyScale,
456 kFloatCompareEpsilon);
457 XCTAssertEqualWithAccuracy(scrollView.frame.size.height, h * effectivelyScale,
458 kFloatCompareEpsilon);
459
460 XCTAssertEqualWithAccuracy(scrollView.contentSize.width, w * effectivelyScale,
461 kFloatCompareEpsilon);
462 XCTAssertEqualWithAccuracy(scrollView.contentSize.height,
463 (h + kScrollExtentMaxForInf + scrollPosition) * effectivelyScale,
464 kFloatCompareEpsilon);
465
466 XCTAssertEqual(scrollView.contentOffset.x, 0);
467 XCTAssertEqualWithAccuracy(scrollView.contentOffset.y, scrollPosition * effectivelyScale,
468 kFloatCompareEpsilon);
469 }
470
471 - (void)testCanHandleNaNScrollExtentAndScrollPoisition {
472 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
473 new flutter::testing::MockAccessibilityBridge());
474 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
475
476 float transformScale = 0.5f;
477 float screenScale = [[bridge->view() window] screen].scale;
478 float effectivelyScale = transformScale / screenScale;
479 float x = 10;
480 float y = 10;
481 float w = 100;
482 float h = 200;
483 float scrollExtentMax = std::nan("");
484 float scrollPosition = std::nan("");
485
486 flutter::SemanticsNode node;
487 node.flags.hasImplicitScrolling = true;
488 node.actions = flutter::kVerticalScrollSemanticsActions;
489 node.rect = SkRect::MakeXYWH(x, y, w, h);
490 node.scrollExtentMax = scrollExtentMax;
491 node.scrollPosition = scrollPosition;
492 node.transform = {
493 transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, transformScale, 0, 0, 0, 0, 1.0};
494 FlutterScrollableSemanticsObject* scrollable =
495 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
496 [scrollable setSemanticsNode:&node];
497 [scrollable accessibilityBridgeDidFinishUpdate];
498 UIScrollView* scrollView = [scrollable nativeAccessibility];
499
500 XCTAssertEqualWithAccuracy(scrollView.frame.origin.x, x * effectivelyScale, kFloatCompareEpsilon);
501 XCTAssertEqualWithAccuracy(scrollView.frame.origin.y, y * effectivelyScale, kFloatCompareEpsilon);
502 XCTAssertEqualWithAccuracy(scrollView.frame.size.width, w * effectivelyScale,
503 kFloatCompareEpsilon);
504 XCTAssertEqualWithAccuracy(scrollView.frame.size.height, h * effectivelyScale,
505 kFloatCompareEpsilon);
506
507 // Content size equal to the scrollable size.
508 XCTAssertEqualWithAccuracy(scrollView.contentSize.width, w * effectivelyScale,
509 kFloatCompareEpsilon);
510 XCTAssertEqualWithAccuracy(scrollView.contentSize.height, h * effectivelyScale,
511 kFloatCompareEpsilon);
512
513 XCTAssertEqual(scrollView.contentOffset.x, 0);
514 XCTAssertEqual(scrollView.contentOffset.y, 0);
515 }
516
517 - (void)testFlutterScrollableSemanticsObjectIsNotHittestable {
518 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
519 new flutter::testing::MockAccessibilityBridge());
520 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
521
522 flutter::SemanticsNode node;
523 node.flags.hasImplicitScrolling = true;
524 node.actions = flutter::kHorizontalScrollSemanticsActions;
525 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
526 node.scrollExtentMax = 100.0;
527 node.scrollPosition = 0.0;
528
529 FlutterScrollableSemanticsObject* scrollable =
530 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
531 [scrollable setSemanticsNode:&node];
532 [scrollable accessibilityBridgeDidFinishUpdate];
533 UIScrollView* scrollView = [scrollable nativeAccessibility];
534 XCTAssertEqual([scrollView hitTest:CGPointMake(10, 10) withEvent:nil], nil);
535 }
536
537 - (void)testFlutterScrollableSemanticsObjectIsHiddenWhenVoiceOverIsRunning {
538 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
539 mock->isVoiceOverRunningValue = false;
540 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
541 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
542
543 flutter::SemanticsNode node;
544 node.flags.hasImplicitScrolling = true;
545 node.actions = flutter::kHorizontalScrollSemanticsActions;
546 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
547 node.scrollExtentMax = 100.0;
548 node.scrollPosition = 0.0;
549
550 FlutterScrollableSemanticsObject* scrollable =
551 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
552 [scrollable setSemanticsNode:&node];
553 [scrollable accessibilityBridgeDidFinishUpdate];
554 UIScrollView* scrollView = [scrollable nativeAccessibility];
555 XCTAssertTrue(scrollView.isAccessibilityElement);
556 mock->isVoiceOverRunningValue = true;
557 XCTAssertFalse(scrollView.isAccessibilityElement);
558 }
559
560 - (void)testFlutterSemanticsObjectHasIdentifier {
561 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
562 mock->isVoiceOverRunningValue = true;
563 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
564 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
565
566 flutter::SemanticsNode node;
567 node.identifier = "identifier";
568
569 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
570 [object setSemanticsNode:&node];
571 XCTAssertTrue([object.accessibilityIdentifier isEqualToString:@"identifier"]);
572 }
573
574 - (void)testFlutterSemanticsObjectHasLocale {
575 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
576 mock->isVoiceOverRunningValue = true;
577 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
578 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
579
580 flutter::SemanticsNode node;
581 node.locale = "es-MX";
582
583 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
584 [object setSemanticsNode:&node];
585 XCTAssertTrue([object.accessibilityLanguage isEqualToString:@"es-MX"]);
586 }
587
588 - (void)testFlutterSemanticsObjectUseDefaultLocale {
589 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
590 mock->isVoiceOverRunningValue = true;
591 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
592 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
593
594 flutter::SemanticsNode node;
595 mock->mockedLocale = @"es-MX";
596
597 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
598 [object setSemanticsNode:&node];
599 XCTAssertTrue([object.accessibilityLanguage isEqualToString:@"es-MX"]);
600 }
601
602 - (void)testFlutterSemanticsObjectPrioritizedSectionLocale {
603 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
604 mock->isVoiceOverRunningValue = true;
605 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
606 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
607
608 flutter::SemanticsNode node;
609 // Set both locales.
610 mock->mockedLocale = @"es-MX";
611 node.locale = "zh-TW";
612
613 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
614 [object setSemanticsNode:&node];
615 // node.locale takes priority.
616 XCTAssertTrue([object.accessibilityLanguage isEqualToString:@"zh-TW"]);
617 }
618
619 - (void)testFlutterSemanticsObjectLocaleNil {
620 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
621 mock->isVoiceOverRunningValue = true;
622 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
623 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
624
625 flutter::SemanticsNode node;
626
627 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
628 [object setSemanticsNode:&node];
629 XCTAssertTrue(object.accessibilityLanguage == nil);
630 }
631
632 - (void)testFlutterScrollableSemanticsObjectWithLabelValueHintIsNotHiddenWhenVoiceOverIsRunning {
633 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
634 mock->isVoiceOverRunningValue = true;
635 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
636 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
637
638 flutter::SemanticsNode node;
639 node.flags.hasImplicitScrolling = true;
640 node.actions = flutter::kHorizontalScrollSemanticsActions;
641 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
642 node.label = "label";
643 node.value = "value";
644 node.hint = "hint";
645 node.scrollExtentMax = 100.0;
646 node.scrollPosition = 0.0;
647
648 FlutterScrollableSemanticsObject* scrollable =
649 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
650 [scrollable setSemanticsNode:&node];
651 [scrollable accessibilityBridgeDidFinishUpdate];
652 UIScrollView* scrollView = [scrollable nativeAccessibility];
653 XCTAssertTrue(scrollView.isAccessibilityElement);
654 XCTAssertTrue(
655 [scrollView.accessibilityLabel isEqualToString:NSLocalizedString(@"label", @"test")]);
656 XCTAssertTrue(
657 [scrollView.accessibilityValue isEqualToString:NSLocalizedString(@"value", @"test")]);
658 XCTAssertTrue([scrollView.accessibilityHint isEqualToString:NSLocalizedString(@"hint", @"test")]);
659 }
660
661 - (void)testFlutterSemanticsObjectMergeTooltipToLabel {
662 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
663 mock->isVoiceOverRunningValue = true;
664 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
665 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
666
667 flutter::SemanticsNode node;
668 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
669 node.label = "label";
670 node.tooltip = "tooltip";
671 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
672 [object setSemanticsNode:&node];
673 XCTAssertTrue(object.isAccessibilityElement);
674 XCTAssertTrue([object.accessibilityLabel isEqualToString:@"label\ntooltip"]);
675 }
676
677 - (void)testSemanticsObjectContainerAccessibilityFrameCoversEntireScreen {
678 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
679 mock->isVoiceOverRunningValue = true;
680 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
681 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
682
683 flutter::SemanticsNode parent;
684 parent.id = 0;
685 parent.actions = static_cast<int32_t>(flutter::SemanticsAction::kTap);
686
687 flutter::SemanticsNode child;
688 child.id = 1;
689 child.actions = static_cast<int32_t>(flutter::SemanticsAction::kTap);
690 child.rect = SkRect::MakeXYWH(0, 0, 100, 100);
691 parent.childrenInTraversalOrder.push_back(1);
692
693 FlutterSemanticsObject* parentObject = [[FlutterSemanticsObject alloc] initWithBridge:bridge
694 uid:0];
695 [parentObject setSemanticsNode:&parent];
696
697 FlutterSemanticsObject* childObject = [[FlutterSemanticsObject alloc] initWithBridge:bridge
698 uid:1];
699 [childObject setSemanticsNode:&child];
700
701 parentObject.children = @[ childObject ];
702 [parentObject accessibilityBridgeDidFinishUpdate];
703 [childObject accessibilityBridgeDidFinishUpdate];
704
705 SemanticsObjectContainer* container =
706 static_cast<SemanticsObjectContainer*>(parentObject.accessibilityContainer);
707
708 XCTAssertTrue(childObject.accessibilityRespondsToUserInteraction);
709 XCTAssertTrue(CGRectEqualToRect(container.accessibilityFrame, UIScreen.mainScreen.bounds));
710 }
711
712 - (void)testFlutterSemanticsObjectAttributedStringsDoNotCrashWhenEmpty {
713 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
714 mock->isVoiceOverRunningValue = true;
715 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
716 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
717
718 flutter::SemanticsNode node;
719 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
720 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
721 [object setSemanticsNode:&node];
722 XCTAssertTrue(object.accessibilityAttributedLabel == nil);
723 }
724
725 - (void)testFlutterScrollableSemanticsObjectReturnsParentContainerIfNoChildren {
726 flutter::testing::MockAccessibilityBridge* mock = new flutter::testing::MockAccessibilityBridge();
727 mock->isVoiceOverRunningValue = true;
728 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
729 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
730
731 flutter::SemanticsNode parent;
732 parent.id = 0;
733 parent.rect = SkRect::MakeXYWH(0, 0, 100, 200);
734 parent.label = "label";
735 parent.value = "value";
736 parent.hint = "hint";
737
738 flutter::SemanticsNode node;
739 node.id = 1;
740 node.flags.hasImplicitScrolling = true;
741 node.actions = flutter::kHorizontalScrollSemanticsActions;
742 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
743 node.label = "label";
744 node.value = "value";
745 node.hint = "hint";
746 node.scrollExtentMax = 100.0;
747 node.scrollPosition = 0.0;
748 parent.childrenInTraversalOrder.push_back(1);
749
750 FlutterSemanticsObject* parentObject = [[FlutterSemanticsObject alloc] initWithBridge:bridge
751 uid:0];
752 [parentObject setSemanticsNode:&parent];
753
754 FlutterScrollableSemanticsObject* scrollable =
755 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:1];
756 [scrollable setSemanticsNode:&node];
757 UIScrollView* scrollView = [scrollable nativeAccessibility];
758
759 parentObject.children = @[ scrollable ];
760 [parentObject accessibilityBridgeDidFinishUpdate];
761 [scrollable accessibilityBridgeDidFinishUpdate];
762 XCTAssertTrue(scrollView.isAccessibilityElement);
763 SemanticsObjectContainer* container =
764 static_cast<SemanticsObjectContainer*>(scrollable.accessibilityContainer);
765 XCTAssertEqual(container.semanticsObject, parentObject);
766 }
767
768 - (void)testFlutterScrollableSemanticsObjectNoScrollBarOrContentInsets {
769 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
770 new flutter::testing::MockAccessibilityBridge());
771 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
772
773 flutter::SemanticsNode node;
774 node.flags.hasImplicitScrolling = true;
775 node.actions = flutter::kHorizontalScrollSemanticsActions;
776 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
777 node.scrollExtentMax = 100.0;
778 node.scrollPosition = 0.0;
779
780 FlutterScrollableSemanticsObject* scrollable =
781 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:0];
782 [scrollable setSemanticsNode:&node];
783 [scrollable accessibilityBridgeDidFinishUpdate];
784 UIScrollView* scrollView = [scrollable nativeAccessibility];
785
786 XCTAssertFalse(scrollView.showsHorizontalScrollIndicator);
787 XCTAssertFalse(scrollView.showsVerticalScrollIndicator);
788 XCTAssertEqual(scrollView.contentInsetAdjustmentBehavior,
789 UIScrollViewContentInsetAdjustmentNever);
790 XCTAssertTrue(UIEdgeInsetsEqualToEdgeInsets(scrollView.contentInset, UIEdgeInsetsZero));
791 }
792
793 - (void)testSemanticsObjectBuildsAttributedString {
794 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
795 new flutter::testing::MockAccessibilityBridge());
796 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
797 flutter::SemanticsNode node;
798 node.label = "label";
799 std::shared_ptr<flutter::SpellOutStringAttribute> attribute =
800 std::make_shared<flutter::SpellOutStringAttribute>();
801 attribute->start = 1;
802 attribute->end = 2;
803 attribute->type = flutter::StringAttributeType::kSpellOut;
804 node.labelAttributes.push_back(attribute);
805 node.value = "value";
806 attribute = std::make_shared<flutter::SpellOutStringAttribute>();
807 attribute->start = 2;
808 attribute->end = 3;
809 attribute->type = flutter::StringAttributeType::kSpellOut;
810 node.valueAttributes.push_back(attribute);
811 node.hint = "hint";
812 std::shared_ptr<flutter::LocaleStringAttribute> local_attribute =
813 std::make_shared<flutter::LocaleStringAttribute>();
814 local_attribute->start = 3;
815 local_attribute->end = 4;
816 local_attribute->type = flutter::StringAttributeType::kLocale;
817 local_attribute->locale = "en-MX";
818 node.hintAttributes.push_back(local_attribute);
819 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
820 [object setSemanticsNode:&node];
821 NSMutableAttributedString* expectedAttributedLabel =
822 [[NSMutableAttributedString alloc] initWithString:NSLocalizedString(@"label", @"test")];
823 NSDictionary* attributeDict = @{
824 UIAccessibilitySpeechAttributeSpellOut : @YES,
825 };
826 [expectedAttributedLabel setAttributes:attributeDict range:NSMakeRange(1, 1)];
827 XCTAssertTrue(
828 [object.accessibilityAttributedLabel isEqualToAttributedString:expectedAttributedLabel]);
829
830 NSMutableAttributedString* expectedAttributedValue =
831 [[NSMutableAttributedString alloc] initWithString:NSLocalizedString(@"value", @"test")];
832 attributeDict = @{
833 UIAccessibilitySpeechAttributeSpellOut : @YES,
834 };
835 [expectedAttributedValue setAttributes:attributeDict range:NSMakeRange(2, 1)];
836 XCTAssertTrue(
837 [object.accessibilityAttributedValue isEqualToAttributedString:expectedAttributedValue]);
838
839 NSMutableAttributedString* expectedAttributedHint =
840 [[NSMutableAttributedString alloc] initWithString:NSLocalizedString(@"hint", @"test")];
841 attributeDict = @{
842 UIAccessibilitySpeechAttributeLanguage : @"en-MX",
843 };
844 [expectedAttributedHint setAttributes:attributeDict range:NSMakeRange(3, 1)];
845 XCTAssertTrue(
846 [object.accessibilityAttributedHint isEqualToAttributedString:expectedAttributedHint]);
847 }
848
849 - (void)testShouldTriggerAnnouncement {
850 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
851 new flutter::testing::MockAccessibilityBridge());
852 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
853 SemanticsObject* object = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
854
855 // Handle nil with no node set.
856 XCTAssertFalse([object nodeShouldTriggerAnnouncement:nil]);
857
858 // Handle initial setting of node with liveRegion
859 flutter::SemanticsNode node;
860 node.flags.isLiveRegion = true;
861 node.label = "foo";
862 XCTAssertTrue([object nodeShouldTriggerAnnouncement:&node]);
863
864 // Handle nil with node set.
865 [object setSemanticsNode:&node];
866 XCTAssertFalse([object nodeShouldTriggerAnnouncement:nil]);
867
868 // Handle new node, still has live region, same label.
869 XCTAssertFalse([object nodeShouldTriggerAnnouncement:&node]);
870
871 // Handle update node with new label, still has live region.
872 flutter::SemanticsNode updatedNode;
873 updatedNode.flags.isLiveRegion = true;
874 updatedNode.label = "bar";
875 XCTAssertTrue([object nodeShouldTriggerAnnouncement:&updatedNode]);
876
877 // Handle dropping the live region flag.
878 updatedNode.flags = flutter::SemanticsFlags{};
879 XCTAssertFalse([object nodeShouldTriggerAnnouncement:&updatedNode]);
880
881 // Handle adding the flag when the label has not changed.
882 updatedNode.label = "foo";
883 [object setSemanticsNode:&updatedNode];
884 XCTAssertTrue([object nodeShouldTriggerAnnouncement:&node]);
885 }
886
887 - (void)testShouldDispatchShowOnScreenActionForHeader {
888 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
889 new flutter::testing::MockAccessibilityBridge());
890 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
891 SemanticsObject* object = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
892
893 // Handle initial setting of node with header.
894 flutter::SemanticsNode node;
895 node.flags.isHeader = true;
896 node.label = "foo";
897
898 [object setSemanticsNode:&node];
899
900 // Simulate accessibility focus.
901 [object accessibilityElementDidBecomeFocused];
902
903 XCTAssertTrue(bridge->observations.size() == 1);
904 XCTAssertTrue(bridge->observations[0].id == 1);
905 XCTAssertTrue(bridge->observations[0].action == flutter::SemanticsAction::kShowOnScreen);
906 }
907
908 - (void)testShouldDispatchShowOnScreenActionForHidden {
909 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
910 new flutter::testing::MockAccessibilityBridge());
911 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
912 SemanticsObject* object = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
913
914 // Handle initial setting of node with hidden.
915 flutter::SemanticsNode node;
916 node.flags.isHidden = true;
917 node.label = "foo";
918
919 [object setSemanticsNode:&node];
920
921 // Simulate accessibility focus.
922 [object accessibilityElementDidBecomeFocused];
923
924 XCTAssertTrue(bridge->observations.size() == 1);
925 XCTAssertTrue(bridge->observations[0].id == 1);
926 XCTAssertTrue(bridge->observations[0].action == flutter::SemanticsAction::kShowOnScreen);
927 }
928
929 - (void)testFlutterSwitchSemanticsObjectMatchesUISwitch {
930 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
931 new flutter::testing::MockAccessibilityBridge());
932 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
933 FlutterSwitchSemanticsObject* object = [[FlutterSwitchSemanticsObject alloc] initWithBridge:bridge
934 uid:1];
935
936 // Handle initial setting of node with header.
937 flutter::SemanticsNode node;
938 node.flags.isToggled = flutter::SemanticsTristate::kTrue;
939 node.flags.isEnabled = flutter::SemanticsTristate::kTrue;
940 node.label = "foo";
941 [object setSemanticsNode:&node];
942 // Create ab real UISwitch to compare the FlutterSwitchSemanticsObject with.
943 UISwitch* nativeSwitch = [[UISwitch alloc] init];
944 nativeSwitch.on = YES;
945
946 XCTAssertEqual(object.accessibilityTraits, nativeSwitch.accessibilityTraits);
947 XCTAssertEqualObjects(object.accessibilityValue, nativeSwitch.accessibilityValue);
948
949 // Set the toggled to false;
950 flutter::SemanticsNode update;
951 update.flags.isToggled = flutter::SemanticsTristate::kFalse;
952 update.flags.isEnabled = flutter::SemanticsTristate::kTrue;
953
954 update.label = "foo";
955 [object setSemanticsNode:&update];
956
957 nativeSwitch.on = NO;
958
959 XCTAssertEqual(object.accessibilityTraits, nativeSwitch.accessibilityTraits);
960 XCTAssertEqualObjects(object.accessibilityValue, nativeSwitch.accessibilityValue);
961 }
962
963 - (void)testFlutterSemanticsObjectOfRadioButton {
964 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
965 new flutter::testing::MockAccessibilityBridge());
966 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
967 FlutterSemanticsObject* object = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
968
969 // Handle initial setting of node with header.
970 flutter::SemanticsNode node;
971 node.flags.isInMutuallyExclusiveGroup = true;
972 node.flags.isChecked = flutter::SemanticsCheckState::kFalse;
973 node.flags.isEnabled = flutter::SemanticsTristate::kTrue;
974 node.label = "foo";
975 [object setSemanticsNode:&node];
976 XCTAssertTrue((object.accessibilityTraits & UIAccessibilityTraitButton) > 0);
977 XCTAssertNil(object.accessibilityValue);
978 }
979
980 - (void)testFlutterSwitchSemanticsObjectMatchesUISwitchDisabled {
981 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
982 new flutter::testing::MockAccessibilityBridge());
983 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
984 FlutterSwitchSemanticsObject* object = [[FlutterSwitchSemanticsObject alloc] initWithBridge:bridge
985 uid:1];
986
987 // Handle initial setting of node with header.
988 flutter::SemanticsNode node;
989 node.flags.isToggled = flutter::SemanticsTristate::kTrue;
990 node.label = "foo";
991 [object setSemanticsNode:&node];
992 // Create ab real UISwitch to compare the FlutterSwitchSemanticsObject with.
993 UISwitch* nativeSwitch = [[UISwitch alloc] init];
994 nativeSwitch.on = YES;
995 nativeSwitch.enabled = NO;
996
997 XCTAssertEqual(object.accessibilityTraits, nativeSwitch.accessibilityTraits);
998 XCTAssertEqualObjects(object.accessibilityValue, nativeSwitch.accessibilityValue);
999 }
1000
1001 - (void)testSemanticsObjectDeallocated {
1002 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1003 new flutter::testing::MockAccessibilityBridge());
1004 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1005 SemanticsObject* parent = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
1006 SemanticsObject* child = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
1007 parent.children = @[ child ];
1008 // Validate SemanticsObject deallocation does not crash.
1009 // https://github.com/flutter/flutter/issues/66032
1010 __weak SemanticsObject* weakObject = parent;
1011 parent = nil;
1012 XCTAssertNil(weakObject);
1013 }
1014
1015 - (void)testFlutterSemanticsObjectReturnsNilContainerWhenBridgeIsNotAlive {
1016 FlutterSemanticsObject* parentObject;
1017 FlutterScrollableSemanticsObject* scrollable;
1018 FlutterSemanticsObject* object2;
1019
1020 flutter::SemanticsNode parent;
1021 parent.id = 0;
1022 parent.rect = SkRect::MakeXYWH(0, 0, 100, 200);
1023 parent.label = "label";
1024 parent.value = "value";
1025 parent.hint = "hint";
1026
1027 flutter::SemanticsNode node;
1028 node.id = 1;
1029 node.flags.hasImplicitScrolling = true;
1030 node.actions = flutter::kHorizontalScrollSemanticsActions;
1031 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
1032 node.label = "label";
1033 node.value = "value";
1034 node.hint = "hint";
1035 node.scrollExtentMax = 100.0;
1036 node.scrollPosition = 0.0;
1037 parent.childrenInTraversalOrder.push_back(1);
1038
1039 flutter::SemanticsNode node2;
1040 node2.id = 2;
1041 node2.rect = SkRect::MakeXYWH(0, 0, 100, 200);
1042 node2.label = "label";
1043 node2.value = "value";
1044 node2.hint = "hint";
1045 node2.scrollExtentMax = 100.0;
1046 node2.scrollPosition = 0.0;
1047 parent.childrenInTraversalOrder.push_back(2);
1048
1049 {
1050 flutter::testing::MockAccessibilityBridge* mock =
1051 new flutter::testing::MockAccessibilityBridge();
1052 mock->isVoiceOverRunningValue = true;
1053 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(mock);
1054 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1055
1056 parentObject = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:0];
1057 [parentObject setSemanticsNode:&parent];
1058
1059 scrollable = [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:1];
1060 [scrollable setSemanticsNode:&node];
1061 [scrollable accessibilityBridgeDidFinishUpdate];
1062
1063 object2 = [[FlutterSemanticsObject alloc] initWithBridge:bridge uid:2];
1064 [object2 setSemanticsNode:&node2];
1065
1066 parentObject.children = @[ scrollable, object2 ];
1067 [parentObject accessibilityBridgeDidFinishUpdate];
1068 [scrollable accessibilityBridgeDidFinishUpdate];
1069 [object2 accessibilityBridgeDidFinishUpdate];
1070
1071 // Returns the correct container if the bridge is alive.
1072 SemanticsObjectContainer* container =
1073 static_cast<SemanticsObjectContainer*>(scrollable.accessibilityContainer);
1074 XCTAssertEqual(container.semanticsObject, parentObject);
1075 SemanticsObjectContainer* container2 =
1076 static_cast<SemanticsObjectContainer*>(object2.accessibilityContainer);
1077 XCTAssertEqual(container2.semanticsObject, parentObject);
1078 }
1079 // The bridge pointer went out of scope and was deallocated.
1080
1081 XCTAssertNil(scrollable.accessibilityContainer);
1082 XCTAssertNil(object2.accessibilityContainer);
1083 }
1084
1085 - (void)testAccessibilityHitTestSearchCanReturnPlatformView {
1086 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1087 new flutter::testing::MockAccessibilityBridge());
1088 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1089 SemanticsObject* object0 = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
1090 SemanticsObject* object1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
1091 SemanticsObject* object3 = [[SemanticsObject alloc] initWithBridge:bridge uid:3];
1092 FlutterTouchInterceptingView* platformView =
1093 [[FlutterTouchInterceptingView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
1094 FlutterPlatformViewSemanticsContainer* platformViewSemanticsContainer =
1095 [[FlutterPlatformViewSemanticsContainer alloc] initWithBridge:bridge
1096 uid:1
1097 platformView:platformView];
1098
1099 object0.children = @[ object1 ];
1100 object0.childrenInHitTestOrder = @[ object1 ];
1101 object1.children = @[ platformViewSemanticsContainer, object3 ];
1102 object1.childrenInHitTestOrder = @[ platformViewSemanticsContainer, object3 ];
1103
1104 flutter::SemanticsNode node0;
1105 node0.id = 0;
1106 node0.rect = SkRect::MakeXYWH(0, 0, 200, 200);
1107 node0.label = "0";
1108 [object0 setSemanticsNode:&node0];
1109
1110 flutter::SemanticsNode node1;
1111 node1.id = 1;
1112 node1.rect = SkRect::MakeXYWH(0, 0, 200, 200);
1113 node1.label = "1";
1114 [object1 setSemanticsNode:&node1];
1115
1116 flutter::SemanticsNode node2;
1117 node2.id = 2;
1118 node2.rect = SkRect::MakeXYWH(0, 0, 100, 100);
1119 node2.label = "2";
1120 [platformViewSemanticsContainer setSemanticsNode:&node2];
1121
1122 flutter::SemanticsNode node3;
1123 node3.id = 3;
1124 node3.rect = SkRect::MakeXYWH(0, 0, 200, 200);
1125 node3.label = "3";
1126 [object3 setSemanticsNode:&node3];
1127
1128 CGPoint point = CGPointMake(10, 10);
1129 id hitTestResult = [object0 _accessibilityHitTest:point withEvent:nil];
1130
1131 XCTAssertEqual(hitTestResult, platformView);
1132 }
1133
1134 - (void)testFlutterPlatformViewSemanticsContainer {
1135 fml::WeakPtrFactory<flutter::testing::MockAccessibilityBridge> factory(
1136 new flutter::testing::MockAccessibilityBridge());
1137 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
1138 __weak FlutterTouchInterceptingView* weakPlatformView;
1139 __weak FlutterPlatformViewSemanticsContainer* weakContainer;
1140 @autoreleasepool {
1141 FlutterTouchInterceptingView* platformView = [[FlutterTouchInterceptingView alloc] init];
1142 weakPlatformView = platformView;
1143
1144 @autoreleasepool {
1145 FlutterPlatformViewSemanticsContainer* container =
1146 [[FlutterPlatformViewSemanticsContainer alloc] initWithBridge:bridge
1147 uid:1
1148 platformView:platformView];
1149 weakContainer = container;
1150 XCTAssertEqualObjects(platformView.accessibilityContainer, container);
1151 XCTAssertNotNil(weakPlatformView);
1152 XCTAssertNotNil(weakContainer);
1153 }
1154 // Check the variables are still lived.
1155 // `container` is `retain` in `platformView`, so it will not be nil here.
1156 XCTAssertNotNil(weakPlatformView);
1157 XCTAssertNotNil(weakContainer);
1158 }
1159 // Check if there's no more strong references to `platformView` after container and platformView
1160 // are released.
1161 XCTAssertNil(weakPlatformView);
1162 XCTAssertNil(weakContainer);
1163 }
1164
1165 - (void)testTextInputSemanticsObject {
1166 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1167 new flutter::testing::MockAccessibilityBridge());
1168 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1169
1170 flutter::SemanticsNode node;
1171 node.label = "foo";
1172 node.flags.isTextField = true;
1173 node.flags.isReadOnly = true;
1174 TextInputSemanticsObject* object = [[TextInputSemanticsObject alloc] initWithBridge:bridge uid:0];
1175 [object setSemanticsNode:&node];
1176 [object accessibilityBridgeDidFinishUpdate];
1177 XCTAssertEqual([object accessibilityTraits], UIAccessibilityTraitNone);
1178 }
1179
1180 - (void)testTextInputSemanticsObject_canPerformAction {
1181 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1182 new flutter::testing::MockAccessibilityBridge());
1183 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1184
1185 flutter::SemanticsNode node;
1186 node.label = "foo";
1187 node.flags.isTextField = true;
1188 node.flags.isReadOnly = true;
1189 TextInputSemanticsObject* object = [[TextInputSemanticsObject alloc] initWithBridge:bridge uid:0];
1190 [object setSemanticsNode:&node];
1191 [object accessibilityBridgeDidFinishUpdate];
1192
1193 id textInputSurrogate = OCMClassMock([UIResponder class]);
1194 id partialSemanticsObject = OCMPartialMock(object);
1195 OCMStub([partialSemanticsObject textInputSurrogate]).andReturn(textInputSurrogate);
1196
1197 OCMExpect([textInputSurrogate canPerformAction:[OCMArg anySelector] withSender:OCMOCK_ANY])
1198 .andReturn(YES);
1199 XCTAssertTrue([partialSemanticsObject canPerformAction:@selector(copy:) withSender:nil]);
1200
1201 OCMExpect([textInputSurrogate canPerformAction:[OCMArg anySelector] withSender:OCMOCK_ANY])
1202 .andReturn(NO);
1203 XCTAssertFalse([partialSemanticsObject canPerformAction:@selector(copy:) withSender:nil]);
1204 }
1205
1206 - (void)testTextInputSemanticsObject_editActions {
1207 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1208 new flutter::testing::MockAccessibilityBridge());
1209 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1210
1211 flutter::SemanticsNode node;
1212 node.label = "foo";
1213
1214 node.flags.isTextField = true;
1215 node.flags.isReadOnly = true;
1216 TextInputSemanticsObject* object = [[TextInputSemanticsObject alloc] initWithBridge:bridge uid:0];
1217 [object setSemanticsNode:&node];
1218 [object accessibilityBridgeDidFinishUpdate];
1219
1220 id textInputSurrogate = OCMClassMock([UIResponder class]);
1221 id partialSemanticsObject = OCMPartialMock(object);
1222 OCMStub([partialSemanticsObject textInputSurrogate]).andReturn(textInputSurrogate);
1223
1224 XCTestExpectation* copyExpectation =
1225 [self expectationWithDescription:@"Surrogate's copy method is called."];
1226 XCTestExpectation* cutExpectation =
1227 [self expectationWithDescription:@"Surrogate's cut method is called."];
1228 XCTestExpectation* pasteExpectation =
1229 [self expectationWithDescription:@"Surrogate's paste method is called."];
1230 XCTestExpectation* selectAllExpectation =
1231 [self expectationWithDescription:@"Surrogate's selectAll method is called."];
1232 XCTestExpectation* deleteExpectation =
1233 [self expectationWithDescription:@"Surrogate's delete method is called."];
1234
1235 OCMStub([textInputSurrogate copy:OCMOCK_ANY]).andDo(^(NSInvocation* invocation) {
1236 [copyExpectation fulfill];
1237 });
1238 OCMStub([textInputSurrogate cut:OCMOCK_ANY]).andDo(^(NSInvocation* invocation) {
1239 [cutExpectation fulfill];
1240 });
1241 OCMStub([textInputSurrogate paste:OCMOCK_ANY]).andDo(^(NSInvocation* invocation) {
1242 [pasteExpectation fulfill];
1243 });
1244 OCMStub([textInputSurrogate selectAll:OCMOCK_ANY]).andDo(^(NSInvocation* invocation) {
1245 [selectAllExpectation fulfill];
1246 });
1247 OCMStub([textInputSurrogate delete:OCMOCK_ANY]).andDo(^(NSInvocation* invocation) {
1248 [deleteExpectation fulfill];
1249 });
1250
1251 [partialSemanticsObject copy:nil];
1252 [partialSemanticsObject cut:nil];
1253 [partialSemanticsObject paste:nil];
1254 [partialSemanticsObject selectAll:nil];
1255 [partialSemanticsObject delete:nil];
1256
1257 [self waitForExpectationsWithTimeout:1 handler:nil];
1258 }
1259
1260 - (void)testSliderSemanticsObject {
1261 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1262 new flutter::testing::MockAccessibilityBridge());
1263 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1264
1265 flutter::SemanticsNode node;
1266 node.flags.isSlider = true;
1267 SemanticsObject* object = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
1268 [object setSemanticsNode:&node];
1269 [object accessibilityBridgeDidFinishUpdate];
1270 XCTAssertEqual([object accessibilityActivate], YES);
1271 }
1272
1273 - (void)testUIFocusItemConformance {
1274 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1275 new flutter::testing::MockAccessibilityBridge());
1276 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1277 SemanticsObject* parent = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
1278 SemanticsObject* child = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
1279 parent.children = @[ child ];
1280
1281 // parentFocusEnvironment
1282 XCTAssertTrue([parent.parentFocusEnvironment isKindOfClass:[UIView class]]);
1283 XCTAssertEqual(child.parentFocusEnvironment, child.parent);
1284
1285 // canBecomeFocused
1286 flutter::SemanticsNode childNode;
1287 childNode.flags.isHidden = true;
1288 childNode.actions = static_cast<int32_t>(flutter::SemanticsAction::kTap);
1289 [child setSemanticsNode:&childNode];
1290 XCTAssertFalse(child.canBecomeFocused);
1291 childNode.flags = flutter::SemanticsFlags{};
1292 [child setSemanticsNode:&childNode];
1293 XCTAssertTrue(child.canBecomeFocused);
1294 childNode.actions = 0;
1295 [child setSemanticsNode:&childNode];
1296 XCTAssertFalse(child.canBecomeFocused);
1297
1298 CGFloat scale = ((bridge->view().window.screen ?: UIScreen.mainScreen)).scale;
1299
1300 childNode.rect = SkRect::MakeXYWH(0, 0, 100 * scale, 100 * scale);
1301 [child setSemanticsNode:&childNode];
1302 flutter::SemanticsNode parentNode;
1303 parentNode.rect = SkRect::MakeXYWH(0, 0, 200, 200);
1304 [parent setSemanticsNode:&parentNode];
1305
1306 XCTAssertTrue(CGRectEqualToRect(child.frame, CGRectMake(0, 0, 100, 100)));
1307 }
1308
1309 - (void)testUIFocusItemContainerConformance {
1310 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1311 new flutter::testing::MockAccessibilityBridge());
1312 fml::WeakPtr<flutter::AccessibilityBridgeIos> bridge = factory.GetWeakPtr();
1313 SemanticsObject* parent = [[SemanticsObject alloc] initWithBridge:bridge uid:0];
1314 SemanticsObject* child1 = [[SemanticsObject alloc] initWithBridge:bridge uid:1];
1315 SemanticsObject* child2 = [[SemanticsObject alloc] initWithBridge:bridge uid:2];
1316 parent.childrenInHitTestOrder = @[ child1, child2 ];
1317
1318 // focusItemsInRect
1319 NSArray<id<UIFocusItem>>* itemsInRect = [parent focusItemsInRect:CGRectMake(0, 0, 100, 100)];
1320 XCTAssertEqual(itemsInRect.count, (unsigned long)2);
1321 XCTAssertTrue([itemsInRect containsObject:child1]);
1322 XCTAssertTrue([itemsInRect containsObject:child2]);
1323 }
1324
1325 - (void)testUIFocusItemScrollableContainerConformance {
1326 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1327 new flutter::testing::MockAccessibilityBridge());
1328 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
1329 FlutterScrollableSemanticsObject* scrollable =
1330 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:5];
1331
1332 // setContentOffset
1333 CGPoint p = CGPointMake(123.0, 456.0);
1334 [scrollable.scrollView scrollViewWillEndDragging:scrollable.scrollView
1335 withVelocity:CGPointZero
1336 targetContentOffset:&p];
1337 scrollable.scrollView.contentOffset = p;
1338 [scrollable.scrollView scrollViewDidEndDecelerating:scrollable.scrollView];
1339 XCTAssertEqual(bridge->observations.size(), (size_t)1);
1340 XCTAssertEqual(bridge->observations[0].id, 5);
1341 XCTAssertEqual(bridge->observations[0].action, flutter::SemanticsAction::kScrollToOffset);
1342
1343 std::vector<uint8_t> args = bridge->observations[0].args;
1344 XCTAssertEqual(args.size(), 3 * sizeof(CGFloat));
1345
1346 NSData* encoded = [NSData dataWithBytes:args.data() length:args.size()];
1347 FlutterStandardTypedData* decoded = [[FlutterStandardMessageCodec sharedInstance] decode:encoded];
1348 CGPoint point = CGPointZero;
1349 memcpy(&point, decoded.data.bytes, decoded.data.length);
1350 XCTAssertTrue(CGPointEqualToPoint(point, p));
1351 }
1352
1353 - (void)testUIFocusItemScrollableContainerNoFeedbackLoops {
1354 fml::WeakPtrFactory<flutter::AccessibilityBridgeIos> factory(
1355 new flutter::testing::MockAccessibilityBridge());
1356 fml::WeakPtr<flutter::testing::MockAccessibilityBridge> bridge = factory.GetWeakPtr();
1357 FlutterScrollableSemanticsObject* scrollable =
1358 [[FlutterScrollableSemanticsObject alloc] initWithBridge:bridge uid:5];
1359
1360 // setContentOffset
1361 const CGPoint p = CGPointMake(0.0, 456.0);
1362 scrollable.scrollView.contentOffset = p;
1363 bridge->observations.clear();
1364
1365 const SkScalar scrollPosition = p.y + 0.0000000000000001;
1366 flutter::SemanticsNode node;
1367 node.flags.hasImplicitScrolling = true;
1368 node.actions = flutter::kVerticalScrollSemanticsActions;
1369 node.rect = SkRect::MakeXYWH(0, 0, 100, 200);
1370 node.scrollExtentMax = 10000;
1371 node.scrollPosition = scrollPosition;
1372 node.transform = {1.0, 0, 0, 0, 0, 1.0, 0, 0, 0, 0, 1.0, 0, 0, scrollPosition, 0, 1.0};
1373 [scrollable setSemanticsNode:&node];
1374 [scrollable accessibilityBridgeDidFinishUpdate];
1375
1376 XCTAssertEqual(bridge->observations.size(), (size_t)0);
1377 }
1378 @end
FlutterMacros.h
FlutterPlatformViews_Internal.h
FlutterSemanticsScrollView.h
FlutterTouchInterceptingView_Test.h
SemanticsObject.h
kScrollExtentMaxForInf
constexpr float kScrollExtentMaxForInf
Definition: SemanticsObject.h:18
kFloatCompareEpsilon
FLUTTER_ASSERT_ARC const float kFloatCompareEpsilon
Definition: SemanticsObjectTest.mm:18
SemanticsObjectTestMocks.h
TextInputSemanticsObject.h
FlutterScrollableSemanticsObject(UIFocusItemScrollableContainer)
Definition: SemanticsObjectTest.mm:24
SemanticsObject(UIFocusSystem)
Definition: SemanticsObject+UIFocusSystem.mm:32
TextInputSemanticsObject(Test)
Definition: SemanticsObjectTest.mm:27
-[TextInputSemanticsObject(Test) textInputSurrogate]
UIView< UITextInput > * textInputSurrogate()
FlutterTouchInterceptingView
Definition: FlutterPlatformViews.mm:513
-[FlutterTouchInterceptingView accessibilityContainer]
id accessibilityContainer()
flutter::testing::MockAccessibilityBridge
Definition: SemanticsObjectTestMocks.h:32
flutter::testing::MockAccessibilityBridge::mockedLocale
NSString * mockedLocale
Definition: SemanticsObjectTestMocks.h:59
flutter::testing::MockAccessibilityBridge::isVoiceOverRunningValue
bool isVoiceOverRunningValue
Definition: SemanticsObjectTestMocks.h:58
flutter::testing::MockAccessibilityBridgeNoWindow
Definition: SemanticsObjectTestMocks.h:66
FlutterPlatformViewSemanticsContainer
Definition: SemanticsObject.h:170
FlutterScrollableSemanticsObject
Definition: SemanticsObject.h:190
FlutterScrollableSemanticsObject::scrollView
FlutterSemanticsScrollView * scrollView
Definition: SemanticsObject.h:190
FlutterSemanticsObject
Definition: SemanticsObject.h:156
FlutterStandardMessageCodec
Definition: FlutterCodecs.h:209
FlutterStandardTypedData
Definition: FlutterCodecs.h:301
FlutterStandardTypedData::data
NSData * data
Definition: FlutterCodecs.h:344
FlutterSwitchSemanticsObject
Definition: SemanticsObject.h:184
SemanticsObjectContainer
Definition: SemanticsObject.h:228
SemanticsObjectContainer::semanticsObject
SemanticsObject * semanticsObject
Definition: SemanticsObject.h:235
SemanticsObject
Definition: SemanticsObject.h:32
-[SemanticsObject _accessibilityHitTest:withEvent:]
id _accessibilityHitTest:withEvent:(CGPoint point,[withEvent] UIEvent *event)
SemanticsObject::parent
SemanticsObject * parent
Definition: SemanticsObject.h:42
SemanticsObject::childrenInHitTestOrder
NSArray< SemanticsObject * > * childrenInHitTestOrder
Definition: SemanticsObject.h:74
SemanticsObject::nativeAccessibility
id nativeAccessibility
Definition: SemanticsObject.h:83
-[SemanticsObject accessibilityScrollToVisibleWithChild:]
BOOL accessibilityScrollToVisibleWithChild:(id child)
-[SemanticsObject accessibilityBridgeDidFinishUpdate]
void accessibilityBridgeDidFinishUpdate()
Definition: SemanticsObject.mm:337
-[SemanticsObject accessibilityScrollToVisible]
BOOL accessibilityScrollToVisible()
SemanticsObject::children
NSArray< SemanticsObject * > * children
Definition: SemanticsObject.h:68
-[SemanticsObject replaceChildAtIndex:withChild:]
void replaceChildAtIndex:withChild:(NSInteger index,[withChild] SemanticsObject *child)
Definition: SemanticsObject.mm:374
-[SemanticsObject setSemanticsNode:]
void setSemanticsNode:(const flutter::SemanticsNode *NS_REQUIRES_SUPER)
Definition: SemanticsObject.mm:333
SemanticsObjectTest
Definition: SemanticsObjectTest.mm:32
TextInputSemanticsObject
Definition: TextInputSemanticsObject.h:20
FLUTTER_ASSERT_ARC
Definition: FlutterChannelKeyResponder.mm:13
+[FlutterMessageCodec-p sharedInstance]
instancetype sharedInstance()