| Flutter Windows Embedder |

window_unittests.cc
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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 #include <array>
6
7 #include "flutter/shell/platform/windows/testing/mock_direct_manipulation.h"
8 #include "flutter/shell/platform/windows/testing/mock_text_input_manager.h"
9 #include "flutter/shell/platform/windows/testing/mock_window.h"
10 #include "flutter/shell/platform/windows/testing/mock_windows_proc_table.h"
11 #include "gmock/gmock.h"
12 #include "gtest/gtest.h"
13
14 using testing::_;
15 using testing::Eq;
16 using testing::InSequence;
17 using testing::Invoke;
18 using testing::Return;
19
20 namespace flutter {
21 namespace testing {
22
23 TEST(MockWindow, CreateDestroy) {
24 MockWindow window;
25 ASSERT_TRUE(TRUE);
26 }
27
28 TEST(MockWindow, GetDpiAfterCreate) {
29 MockWindow window;
30 ASSERT_TRUE(window.GetDpi() > 0);
31 }
32
33 TEST(MockWindow, VerticalScroll) {
34 MockWindow window;
35 const int scroll_amount = 10;
36 // Vertical scroll should be passed along, adjusted for scroll tick size
37 // and direction.
38 EXPECT_CALL(window, OnScroll(0, -scroll_amount / 120.0,
39 kFlutterPointerDeviceKindMouse, 0))
40 .Times(1);
41
42 window.InjectWindowMessage(WM_MOUSEWHEEL, MAKEWPARAM(0, scroll_amount), 0);
43 }
44
45 TEST(MockWindow, OnImeCompositionCompose) {
46 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
47 auto* text_input_manager = new MockTextInputManager();
48 std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
49 MockWindow window(std::move(windows_proc_table),
50 std::move(text_input_manager_ptr));
51 EXPECT_CALL(*text_input_manager, GetComposingString())
52 .WillRepeatedly(
53 Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
54 EXPECT_CALL(*text_input_manager, GetResultString())
55 .WillRepeatedly(
56 Return(std::optional<std::u16string>(std::u16string(u"`}"))));
57 EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
58 .WillRepeatedly(Return((int)0));
59
60 EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(1);
61 EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(0);
62 EXPECT_CALL(window, OnComposeCommit()).Times(0);
63 ON_CALL(window, OnImeComposition)
64 .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
65 EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);
66
67 // Send an IME_COMPOSITION event that contains just the composition string.
68 window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_COMPSTR);
69 }
70
71 TEST(MockWindow, OnImeCompositionResult) {
72 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
73 auto* text_input_manager = new MockTextInputManager();
74 std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
75 MockWindow window(std::move(windows_proc_table),
76 std::move(text_input_manager_ptr));
77 EXPECT_CALL(*text_input_manager, GetComposingString())
78 .WillRepeatedly(
79 Return(std::optional<std::u16string>(std::u16string(u"nihao"))));
80 EXPECT_CALL(*text_input_manager, GetResultString())
81 .WillRepeatedly(
82 Return(std::optional<std::u16string>(std::u16string(u"`}"))));
83 EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
84 .WillRepeatedly(Return((int)0));
85
86 EXPECT_CALL(window, OnComposeChange(std::u16string(u"nihao"), 0)).Times(0);
87 EXPECT_CALL(window, OnComposeChange(std::u16string(u"`}"), 0)).Times(1);
88 EXPECT_CALL(window, OnComposeCommit()).Times(1);
89 ON_CALL(window, OnImeComposition)
90 .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
91 EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);
92
93 // Send an IME_COMPOSITION event that contains just the result string.
94 window.InjectWindowMessage(WM_IME_COMPOSITION, 0, GCS_RESULTSTR);
95 }
96
97 TEST(MockWindow, OnImeCompositionResultAndCompose) {
98 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
99 auto* text_input_manager = new MockTextInputManager();
100 std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
101 MockWindow window(std::move(windows_proc_table),
102 std::move(text_input_manager_ptr));
103
104 // This situation is that Google Japanese Input finished composing "今日" in
105 // "今日は" but is still composing "は".
106 {
107 InSequence dummy;
108 EXPECT_CALL(*text_input_manager, GetResultString())
109 .WillRepeatedly(
110 Return(std::optional<std::u16string>(std::u16string(u"今日"))));
111 EXPECT_CALL(*text_input_manager, GetComposingString())
112 .WillRepeatedly(
113 Return(std::optional<std::u16string>(std::u16string(u"は"))));
114 }
115 {
116 InSequence dummy;
117 EXPECT_CALL(window, OnComposeChange(std::u16string(u"今日"), 0)).Times(1);
118 EXPECT_CALL(window, OnComposeCommit()).Times(1);
119 EXPECT_CALL(window, OnComposeChange(std::u16string(u"は"), 0)).Times(1);
120 }
121
122 EXPECT_CALL(*text_input_manager, GetComposingCursorPosition())
123 .WillRepeatedly(Return((int)0));
124
125 ON_CALL(window, OnImeComposition)
126 .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
127 EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);
128
129 // send an IME_COMPOSITION event that contains both the result string and the
130 // composition string.
131 window.InjectWindowMessage(WM_IME_COMPOSITION, 0,
132 GCS_COMPSTR | GCS_RESULTSTR);
133 }
134
135 TEST(MockWindow, OnImeCompositionClearChange) {
136 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
137 auto* text_input_manager = new MockTextInputManager();
138 std::unique_ptr<TextInputManager> text_input_manager_ptr(text_input_manager);
139 MockWindow window(std::move(windows_proc_table),
140 std::move(text_input_manager_ptr));
141 EXPECT_CALL(window, OnComposeChange(std::u16string(u""), 0)).Times(1);
142 EXPECT_CALL(window, OnComposeCommit()).Times(1);
143 ON_CALL(window, OnImeComposition)
144 .WillByDefault(Invoke(&window, &MockWindow::CallOnImeComposition));
145 EXPECT_CALL(window, OnImeComposition(_, _, _)).Times(1);
146
147 // send an IME_COMPOSITION event that contains both the result string and the
148 // composition string.
149 window.InjectWindowMessage(WM_IME_COMPOSITION, 0, 0);
150 }
151
152 TEST(MockWindow, HorizontalScroll) {
153 MockWindow window;
154 const int scroll_amount = 10;
155 // Vertical scroll should be passed along, adjusted for scroll tick size.
156 EXPECT_CALL(window, OnScroll(scroll_amount / 120.0, 0,
157 kFlutterPointerDeviceKindMouse, 0))
158 .Times(1);
159
160 window.InjectWindowMessage(WM_MOUSEHWHEEL, MAKEWPARAM(0, scroll_amount), 0);
161 }
162
163 TEST(MockWindow, MouseLeave) {
164 MockWindow window;
165 const double mouse_x = 10.0;
166 const double mouse_y = 20.0;
167
168 EXPECT_CALL(window, OnPointerMove(mouse_x, mouse_y,
169 kFlutterPointerDeviceKindMouse, 0, 0))
170 .Times(1);
171 EXPECT_CALL(window, OnPointerLeave(mouse_x, mouse_y,
172 kFlutterPointerDeviceKindMouse, 0))
173 .Times(1);
174
175 window.InjectWindowMessage(WM_MOUSEMOVE, 0, MAKELPARAM(mouse_x, mouse_y));
176 window.InjectWindowMessage(WM_MOUSELEAVE, 0, 0);
177 }
178
179 TEST(MockWindow, KeyDown) {
180 MockWindow window;
181 EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
182 LPARAM lparam = CreateKeyEventLparam(42, false, false);
183 // send a "Shift" key down event.
184 window.InjectWindowMessage(WM_KEYDOWN, 16, lparam);
185 }
186
187 TEST(MockWindow, KeyUp) {
188 MockWindow window;
189 EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
190 LPARAM lparam = CreateKeyEventLparam(42, false, true);
191 // send a "Shift" key up event.
192 window.InjectWindowMessage(WM_KEYUP, 16, lparam);
193 }
194
195 TEST(MockWindow, SysKeyDown) {
196 MockWindow window;
197 EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
198 LPARAM lparam = CreateKeyEventLparam(42, false, false);
199 // send a "Shift" key down event.
200 window.InjectWindowMessage(WM_SYSKEYDOWN, 16, lparam);
201 }
202
203 TEST(MockWindow, SysKeyUp) {
204 MockWindow window;
205 EXPECT_CALL(window, OnKey(_, _, _, _, _, _, _)).Times(1);
206 LPARAM lparam = CreateKeyEventLparam(42, false, true);
207 // send a "Shift" key up event.
208 window.InjectWindowMessage(WM_SYSKEYUP, 16, lparam);
209 }
210
211 TEST(MockWindow, KeyDownPrintable) {
212 MockWindow window;
213 LPARAM lparam = CreateKeyEventLparam(30, false, false);
214
215 auto respond_false = [](int key, int scancode, int action, char32_t character,
216 bool extended, bool was_down,
217 std::function<void(bool)> callback) {
218 callback(false);
219 };
220 EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
221 .Times(1)
222 .WillOnce(respond_false);
223 EXPECT_CALL(window, OnText(_)).Times(1);
224 std::array<Win32Message, 2> messages = {
225 Win32Message{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
226 Win32Message{WM_CHAR, 65, lparam, kWmResultDontCheck}};
227 window.InjectMessageList(2, messages.data());
228 }
229
230 TEST(MockWindow, KeyDownWithCtrl) {
231 MockWindow window;
232
233 // Simulate CONTROL pressed
234 std::array<BYTE, 256> keyboard_state;
235 keyboard_state[VK_CONTROL] = -1;
236 SetKeyboardState(keyboard_state.data());
237
238 LPARAM lparam = CreateKeyEventLparam(30, false, false);
239
240 // Expect OnKey, but not OnText, because Control + Key is not followed by
241 // WM_CHAR
242 EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _)).Times(1);
243 EXPECT_CALL(window, OnText(_)).Times(0);
244
245 window.InjectWindowMessage(WM_KEYDOWN, 65, lparam);
246
247 keyboard_state.fill(0);
248 SetKeyboardState(keyboard_state.data());
249 }
250
251 TEST(MockWindow, KeyDownWithCtrlToggled) {
252 MockWindow window;
253
254 auto respond_false = [](int key, int scancode, int action, char32_t character,
255 bool extended, bool was_down,
256 std::function<void(bool)> callback) {
257 callback(false);
258 };
259
260 // Simulate CONTROL toggled
261 std::array<BYTE, 256> keyboard_state;
262 keyboard_state[VK_CONTROL] = 1;
263 SetKeyboardState(keyboard_state.data());
264
265 LPARAM lparam = CreateKeyEventLparam(30, false, false);
266
267 EXPECT_CALL(window, OnKey(65, 30, WM_KEYDOWN, 0, false, false, _))
268 .Times(1)
269 .WillOnce(respond_false);
270 EXPECT_CALL(window, OnText(_)).Times(1);
271
272 // send a "A" key down event.
273 Win32Message messages[] = {{WM_KEYDOWN, 65, lparam, kWmResultDontCheck},
274 {WM_CHAR, 65, lparam, kWmResultDontCheck}};
275 window.InjectMessageList(2, messages);
276
277 keyboard_state.fill(0);
278 SetKeyboardState(keyboard_state.data());
279 }
280
281 TEST(MockWindow, Paint) {
282 MockWindow window;
283 EXPECT_CALL(window, OnPaint()).Times(1);
284 window.InjectWindowMessage(WM_PAINT, 0, 0);
285 }
286
287 // Verify direct manipulation isn't notified of pointer hit tests.
288 TEST(MockWindow, PointerHitTest) {
289 UINT32 pointer_id = 123;
290 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
291 auto text_input_manager = std::make_unique<MockTextInputManager>();
292
293 EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
294 .Times(1)
295 .WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
296 *type = PT_POINTER;
297 return TRUE;
298 });
299
300 MockWindow window(std::move(windows_proc_table),
301 std::move(text_input_manager));
302
303 auto direct_manipulation =
304 std::make_unique<MockDirectManipulationOwner>(&window);
305
306 EXPECT_CALL(*direct_manipulation, SetContact).Times(0);
307
308 window.SetDirectManipulationOwner(std::move(direct_manipulation));
309 window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
310 }
311
312 // Verify direct manipulation is notified of touchpad hit tests.
313 TEST(MockWindow, TouchPadHitTest) {
314 UINT32 pointer_id = 123;
315 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
316 auto text_input_manager = std::make_unique<MockTextInputManager>();
317
318 EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
319 .Times(1)
320 .WillOnce([](UINT32 pointer_id, POINTER_INPUT_TYPE* type) {
321 *type = PT_TOUCHPAD;
322 return TRUE;
323 });
324
325 MockWindow window(std::move(windows_proc_table),
326 std::move(text_input_manager));
327
328 auto direct_manipulation =
329 std::make_unique<MockDirectManipulationOwner>(&window);
330
331 EXPECT_CALL(*direct_manipulation, SetContact(Eq(pointer_id))).Times(1);
332
333 window.SetDirectManipulationOwner(std::move(direct_manipulation));
334 window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
335 }
336
337 // Verify direct manipulation isn't notified of unknown hit tests.
338 // This can happen if determining the pointer type fails, for example,
339 // if GetPointerType is unsupported by the current Windows version.
340 // See: https://github.com/flutter/flutter/issues/109412
341 TEST(MockWindow, UnknownPointerTypeSkipsDirectManipulation) {
342 UINT32 pointer_id = 123;
343 auto windows_proc_table = std::make_unique<MockWindowsProcTable>();
344 auto text_input_manager = std::make_unique<MockTextInputManager>();
345
346 EXPECT_CALL(*windows_proc_table, GetPointerType(Eq(pointer_id), _))
347 .Times(1)
348 .WillOnce(
349 [](UINT32 pointer_id, POINTER_INPUT_TYPE* type) { return FALSE; });
350
351 MockWindow window(std::move(windows_proc_table),
352 std::move(text_input_manager));
353
354 auto direct_manipulation =
355 std::make_unique<MockDirectManipulationOwner>(&window);
356
357 EXPECT_CALL(*direct_manipulation, SetContact).Times(0);
358
359 window.SetDirectManipulationOwner(std::move(direct_manipulation));
360 window.InjectWindowMessage(DM_POINTERHITTEST, MAKEWPARAM(pointer_id, 0), 0);
361 }
362
363 // Test that the root UIA object is queried by WM_GETOBJECT.
364 TEST(MockWindow, DISABLED_GetObjectUia) {
365 MockWindow window;
366 bool uia_called = false;
367 ON_CALL(window, OnGetObject)
368 .WillByDefault(Invoke([&uia_called](UINT msg, WPARAM wpar, LPARAM lpar) {
369 #ifdef FLUTTER_ENGINE_USE_UIA
370 uia_called = true;
371 #endif // FLUTTER_ENGINE_USE_UIA
372 return static_cast<LRESULT>(0);
373 }));
374 EXPECT_CALL(window, OnGetObject).Times(1);
375
376 window.InjectWindowMessage(WM_GETOBJECT, 0, UiaRootObjectId);
377
378 EXPECT_TRUE(uia_called);
379 }
380
381 } // namespace testing
382 } // namespace flutter
scancode
int scancode
Definition: keyboard_key_handler_unittests.cc:115
was_down
bool was_down
Definition: keyboard_key_handler_unittests.cc:119
extended
bool extended
Definition: keyboard_key_handler_unittests.cc:118
character
char32_t character
Definition: keyboard_key_handler_unittests.cc:117
type
enum flutter::testing::@66::KeyboardChange::Type type
flutter
Definition: accessibility_bridge_windows.cc:11
flutter::testing::TEST
TEST(AccessibilityBridgeWindows, GetParent)
Definition: accessibility_bridge_windows_unittests.cc:233
action
int action
Definition: keyboard_key_handler_unittests.cc:116
key
int key
Definition: keyboard_key_handler_unittests.cc:114
callback
FlutterDesktopBinaryReply callback
Definition: flutter_windows_view_unittests.cc:46