Flutter Linux Embedder
fl_engine_test.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 // Included first as it collides with the X11 headers.
6 #include "gtest/gtest.h"
7 
8 #include "flutter/shell/platform/common/app_lifecycle_state.h"
9 #include "flutter/shell/platform/embedder/test_utils/proc_table_replacement.h"
10 #include "flutter/shell/platform/linux/fl_engine_private.h"
11 #include "flutter/shell/platform/linux/public/flutter_linux/fl_engine.h"
12 #include "flutter/shell/platform/linux/public/flutter_linux/fl_json_message_codec.h"
13 #include "flutter/shell/platform/linux/public/flutter_linux/fl_string_codec.h"
14 #include "flutter/shell/platform/linux/testing/fl_test.h"
15 
16 // MOCK_ENGINE_PROC is leaky by design
17 // NOLINTBEGIN(clang-analyzer-core.StackAddressEscape)
18 
19 // Checks sending window metrics events works.
20 TEST(FlEngineTest, WindowMetrics) {
21  g_autoptr(FlEngine) engine = make_mock_engine();
22  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
23 
24  bool called = false;
25  embedder_api->SendWindowMetricsEvent = MOCK_ENGINE_PROC(
26  SendWindowMetricsEvent,
27  ([&called](auto engine, const FlutterWindowMetricsEvent* event) {
28  called = true;
29  EXPECT_EQ(event->width, static_cast<size_t>(3840));
30  EXPECT_EQ(event->height, static_cast<size_t>(2160));
31  EXPECT_EQ(event->pixel_ratio, 2.0);
32 
33  return kSuccess;
34  }));
35 
36  g_autoptr(GError) error = nullptr;
37  EXPECT_TRUE(fl_engine_start(engine, &error));
38  EXPECT_EQ(error, nullptr);
39  fl_engine_send_window_metrics_event(engine, 3840, 2160, 2.0);
40 
41  EXPECT_TRUE(called);
42 }
43 
44 // Checks sending mouse pointer events works.
45 TEST(FlEngineTest, MousePointer) {
46  g_autoptr(FlEngine) engine = make_mock_engine();
47  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
48 
49  bool called = false;
50  embedder_api->SendPointerEvent = MOCK_ENGINE_PROC(
51  SendPointerEvent,
52  ([&called](auto engine, const FlutterPointerEvent* events,
53  size_t events_count) {
54  called = true;
55  EXPECT_EQ(events_count, static_cast<size_t>(1));
56  EXPECT_EQ(events[0].phase, kDown);
57  EXPECT_EQ(events[0].timestamp, static_cast<size_t>(1234567890));
58  EXPECT_EQ(events[0].x, 800);
59  EXPECT_EQ(events[0].y, 600);
60  EXPECT_EQ(events[0].device, static_cast<int32_t>(0));
61  EXPECT_EQ(events[0].signal_kind, kFlutterPointerSignalKindScroll);
62  EXPECT_EQ(events[0].scroll_delta_x, 1.2);
63  EXPECT_EQ(events[0].scroll_delta_y, -3.4);
64  EXPECT_EQ(events[0].device_kind, kFlutterPointerDeviceKindMouse);
65  EXPECT_EQ(events[0].buttons, kFlutterPointerButtonMouseSecondary);
66 
67  return kSuccess;
68  }));
69 
70  g_autoptr(GError) error = nullptr;
71  EXPECT_TRUE(fl_engine_start(engine, &error));
72  EXPECT_EQ(error, nullptr);
73  fl_engine_send_mouse_pointer_event(engine, kDown, 1234567890, 800, 600,
74  kFlutterPointerDeviceKindMouse, 1.2, -3.4,
75  kFlutterPointerButtonMouseSecondary);
76 
77  EXPECT_TRUE(called);
78 }
79 
80 // Checks sending pan/zoom events works.
81 TEST(FlEngineTest, PointerPanZoom) {
82  g_autoptr(FlEngine) engine = make_mock_engine();
83  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
84 
85  bool called = false;
86  embedder_api->SendPointerEvent = MOCK_ENGINE_PROC(
87  SendPointerEvent,
88  ([&called](auto engine, const FlutterPointerEvent* events,
89  size_t events_count) {
90  called = true;
91  EXPECT_EQ(events_count, static_cast<size_t>(1));
92  EXPECT_EQ(events[0].phase, kPanZoomUpdate);
93  EXPECT_EQ(events[0].timestamp, static_cast<size_t>(1234567890));
94  EXPECT_EQ(events[0].x, 800);
95  EXPECT_EQ(events[0].y, 600);
96  EXPECT_EQ(events[0].device, static_cast<int32_t>(1));
97  EXPECT_EQ(events[0].signal_kind, kFlutterPointerSignalKindNone);
98  EXPECT_EQ(events[0].pan_x, 1.5);
99  EXPECT_EQ(events[0].pan_y, 2.5);
100  EXPECT_EQ(events[0].scale, 3.5);
101  EXPECT_EQ(events[0].rotation, 4.5);
102  EXPECT_EQ(events[0].device_kind, kFlutterPointerDeviceKindTrackpad);
103  EXPECT_EQ(events[0].buttons, 0);
104 
105  return kSuccess;
106  }));
107 
108  g_autoptr(GError) error = nullptr;
109  EXPECT_TRUE(fl_engine_start(engine, &error));
110  EXPECT_EQ(error, nullptr);
111  fl_engine_send_pointer_pan_zoom_event(engine, 1234567890, 800, 600,
112  kPanZoomUpdate, 1.5, 2.5, 3.5, 4.5);
113 
114  EXPECT_TRUE(called);
115 }
116 
117 // Checks dispatching a semantics action works.
118 TEST(FlEngineTest, DispatchSemanticsAction) {
119  g_autoptr(FlEngine) engine = make_mock_engine();
120  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
121 
122  bool called = false;
123  embedder_api->DispatchSemanticsAction = MOCK_ENGINE_PROC(
124  DispatchSemanticsAction,
125  ([&called](auto engine, uint64_t id, FlutterSemanticsAction action,
126  const uint8_t* data, size_t data_length) {
127  EXPECT_EQ(id, static_cast<uint64_t>(42));
128  EXPECT_EQ(action, kFlutterSemanticsActionTap);
129  EXPECT_EQ(data_length, static_cast<size_t>(4));
130  EXPECT_EQ(data[0], 't');
131  EXPECT_EQ(data[1], 'e');
132  EXPECT_EQ(data[2], 's');
133  EXPECT_EQ(data[3], 't');
134  called = true;
135 
136  return kSuccess;
137  }));
138 
139  g_autoptr(GError) error = nullptr;
140  EXPECT_TRUE(fl_engine_start(engine, &error));
141  EXPECT_EQ(error, nullptr);
142  g_autoptr(GBytes) data = g_bytes_new_static("test", 4);
143  fl_engine_dispatch_semantics_action(engine, 42, kFlutterSemanticsActionTap,
144  data);
145 
146  EXPECT_TRUE(called);
147 }
148 
149 // Checks sending platform messages works.
150 TEST(FlEngineTest, PlatformMessage) {
151  g_autoptr(FlEngine) engine = make_mock_engine();
152  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
153 
154  bool called = false;
155  FlutterEngineSendPlatformMessageFnPtr old_handler =
156  embedder_api->SendPlatformMessage;
157  embedder_api->SendPlatformMessage = MOCK_ENGINE_PROC(
158  SendPlatformMessage,
159  ([&called, old_handler](auto engine,
160  const FlutterPlatformMessage* message) {
161  if (strcmp(message->channel, "test") != 0) {
162  return old_handler(engine, message);
163  }
164 
165  called = true;
166 
167  EXPECT_EQ(message->message_size, static_cast<size_t>(4));
168  EXPECT_EQ(message->message[0], 't');
169  EXPECT_EQ(message->message[1], 'e');
170  EXPECT_EQ(message->message[2], 's');
171  EXPECT_EQ(message->message[3], 't');
172 
173  return kSuccess;
174  }));
175 
176  g_autoptr(GError) error = nullptr;
177  EXPECT_TRUE(fl_engine_start(engine, &error));
178  EXPECT_EQ(error, nullptr);
179  g_autoptr(GBytes) message = g_bytes_new_static("test", 4);
180  fl_engine_send_platform_message(engine, "test", message, nullptr, nullptr,
181  nullptr);
182 
183  EXPECT_TRUE(called);
184 }
185 
186 // Checks sending platform message responses works.
187 TEST(FlEngineTest, PlatformMessageResponse) {
188  g_autoptr(FlEngine) engine = make_mock_engine();
189  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
190 
191  bool called = false;
192  embedder_api->SendPlatformMessageResponse = MOCK_ENGINE_PROC(
193  SendPlatformMessageResponse,
194  ([&called](auto engine,
195  const FlutterPlatformMessageResponseHandle* handle,
196  const uint8_t* data, size_t data_length) {
197  called = true;
198 
199  EXPECT_EQ(
200  handle,
201  reinterpret_cast<const FlutterPlatformMessageResponseHandle*>(42));
202  EXPECT_EQ(data_length, static_cast<size_t>(4));
203  EXPECT_EQ(data[0], 't');
204  EXPECT_EQ(data[1], 'e');
205  EXPECT_EQ(data[2], 's');
206  EXPECT_EQ(data[3], 't');
207 
208  return kSuccess;
209  }));
210 
211  g_autoptr(GError) error = nullptr;
212  EXPECT_TRUE(fl_engine_start(engine, &error));
213  EXPECT_EQ(error, nullptr);
214  g_autoptr(GBytes) response = g_bytes_new_static("test", 4);
215  EXPECT_TRUE(fl_engine_send_platform_message_response(
216  engine, reinterpret_cast<const FlutterPlatformMessageResponseHandle*>(42),
217  response, &error));
218  EXPECT_EQ(error, nullptr);
219 
220  EXPECT_TRUE(called);
221 }
222 
223 // Checks settings plugin sends settings on startup.
224 TEST(FlEngineTest, SettingsPlugin) {
225  g_autoptr(FlEngine) engine = make_mock_engine();
226  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
227 
228  bool called = false;
229  embedder_api->SendPlatformMessage = MOCK_ENGINE_PROC(
230  SendPlatformMessage,
231  ([&called](auto engine, const FlutterPlatformMessage* message) {
232  called = true;
233 
234  EXPECT_STREQ(message->channel, "flutter/settings");
235 
236  g_autoptr(FlJsonMessageCodec) codec = fl_json_message_codec_new();
237  g_autoptr(GBytes) data =
238  g_bytes_new(message->message, message->message_size);
239  g_autoptr(GError) error = nullptr;
240  g_autoptr(FlValue) settings = fl_message_codec_decode_message(
241  FL_MESSAGE_CODEC(codec), data, &error);
242  EXPECT_NE(settings, nullptr);
243  EXPECT_EQ(error, nullptr);
244 
245  FlValue* text_scale_factor =
246  fl_value_lookup_string(settings, "textScaleFactor");
247  EXPECT_NE(text_scale_factor, nullptr);
248  EXPECT_EQ(fl_value_get_type(text_scale_factor), FL_VALUE_TYPE_FLOAT);
249 
250  FlValue* always_use_24hr_format =
251  fl_value_lookup_string(settings, "alwaysUse24HourFormat");
252  EXPECT_NE(always_use_24hr_format, nullptr);
253  EXPECT_EQ(fl_value_get_type(always_use_24hr_format),
254  FL_VALUE_TYPE_BOOL);
255 
256  FlValue* platform_brightness =
257  fl_value_lookup_string(settings, "platformBrightness");
258  EXPECT_NE(platform_brightness, nullptr);
259  EXPECT_EQ(fl_value_get_type(platform_brightness), FL_VALUE_TYPE_STRING);
260 
261  return kSuccess;
262  }));
263 
264  g_autoptr(GError) error = nullptr;
265  EXPECT_TRUE(fl_engine_start(engine, &error));
266  EXPECT_EQ(error, nullptr);
267 
268  EXPECT_TRUE(called);
269 }
270 
271 void on_pre_engine_restart_cb(FlEngine* engine, gpointer user_data) {
272  int* count = reinterpret_cast<int*>(user_data);
273  *count += 1;
274 }
275 
276 void on_pre_engine_restart_destroy_notify(gpointer user_data) {
277  int* count = reinterpret_cast<int*>(user_data);
278  *count += 10;
279 }
280 
281 // Checks restarting the engine invokes the correct callback.
282 TEST(FlEngineTest, OnPreEngineRestart) {
283  FlEngine* engine = make_mock_engine();
284  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
285 
286  OnPreEngineRestartCallback callback;
287  void* callback_user_data;
288 
289  bool called = false;
290  embedder_api->Initialize = MOCK_ENGINE_PROC(
291  Initialize, ([&callback, &callback_user_data, &called](
292  size_t version, const FlutterRendererConfig* config,
293  const FlutterProjectArgs* args, void* user_data,
294  FLUTTER_API_SYMBOL(FlutterEngine) * engine_out) {
295  called = true;
296  callback = args->on_pre_engine_restart_callback;
297  callback_user_data = user_data;
298 
299  return kSuccess;
300  }));
301 
302  g_autoptr(GError) error = nullptr;
303  EXPECT_TRUE(fl_engine_start(engine, &error));
304  EXPECT_EQ(error, nullptr);
305 
306  EXPECT_TRUE(called);
307  EXPECT_NE(callback, nullptr);
308 
309  // The following call has no effect but should not crash.
310  callback(callback_user_data);
311 
312  int count = 0;
313 
314  // Set handler so that:
315  //
316  // * When the engine restarts, count += 1;
317  // * When the engine is freed, count += 10.
318  fl_engine_set_on_pre_engine_restart_handler(
319  engine, on_pre_engine_restart_cb, &count,
320  on_pre_engine_restart_destroy_notify);
321 
322  callback(callback_user_data);
323  EXPECT_EQ(count, 1);
324 
325  // Disposal should call the destroy notify.
326  g_object_unref(engine);
327  EXPECT_EQ(count, 11);
328 }
329 
330 TEST(FlEngineTest, DartEntrypointArgs) {
331  g_autoptr(FlDartProject) project = fl_dart_project_new();
332 
333  GPtrArray* args_array = g_ptr_array_new();
334  g_ptr_array_add(args_array, const_cast<char*>("arg_one"));
335  g_ptr_array_add(args_array, const_cast<char*>("arg_two"));
336  g_ptr_array_add(args_array, const_cast<char*>("arg_three"));
337  g_ptr_array_add(args_array, nullptr);
338  gchar** args = reinterpret_cast<gchar**>(g_ptr_array_free(args_array, false));
339 
340  fl_dart_project_set_dart_entrypoint_arguments(project, args);
341 
342  g_autoptr(FlEngine) engine = make_mock_engine_with_project(project);
343  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
344 
345  bool called = false;
346  embedder_api->Initialize = MOCK_ENGINE_PROC(
347  Initialize, ([&called, &set_args = args](
348  size_t version, const FlutterRendererConfig* config,
349  const FlutterProjectArgs* args, void* user_data,
350  FLUTTER_API_SYMBOL(FlutterEngine) * engine_out) {
351  called = true;
352  EXPECT_NE(set_args, args->dart_entrypoint_argv);
353  EXPECT_EQ(args->dart_entrypoint_argc, 3);
354 
355  return kSuccess;
356  }));
357 
358  g_autoptr(GError) error = nullptr;
359  EXPECT_TRUE(fl_engine_start(engine, &error));
360  EXPECT_EQ(error, nullptr);
361 
362  EXPECT_TRUE(called);
363 }
364 
365 TEST(FlEngineTest, Locales) {
366  gchar* initial_language = g_strdup(g_getenv("LANGUAGE"));
367  g_setenv("LANGUAGE", "de:en_US", TRUE);
368  g_autoptr(FlDartProject) project = fl_dart_project_new();
369 
370  g_autoptr(FlEngine) engine = make_mock_engine_with_project(project);
371  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
372 
373  bool called = false;
374  embedder_api->UpdateLocales = MOCK_ENGINE_PROC(
375  UpdateLocales, ([&called](auto engine, const FlutterLocale** locales,
376  size_t locales_count) {
377  called = true;
378 
379  EXPECT_EQ(locales_count, static_cast<size_t>(4));
380 
381  EXPECT_STREQ(locales[0]->language_code, "de");
382  EXPECT_STREQ(locales[0]->country_code, nullptr);
383  EXPECT_STREQ(locales[0]->script_code, nullptr);
384  EXPECT_STREQ(locales[0]->variant_code, nullptr);
385 
386  EXPECT_STREQ(locales[1]->language_code, "en");
387  EXPECT_STREQ(locales[1]->country_code, "US");
388  EXPECT_STREQ(locales[1]->script_code, nullptr);
389  EXPECT_STREQ(locales[1]->variant_code, nullptr);
390 
391  EXPECT_STREQ(locales[2]->language_code, "en");
392  EXPECT_STREQ(locales[2]->country_code, nullptr);
393  EXPECT_STREQ(locales[2]->script_code, nullptr);
394  EXPECT_STREQ(locales[2]->variant_code, nullptr);
395 
396  EXPECT_STREQ(locales[3]->language_code, "C");
397  EXPECT_STREQ(locales[3]->country_code, nullptr);
398  EXPECT_STREQ(locales[3]->script_code, nullptr);
399  EXPECT_STREQ(locales[3]->variant_code, nullptr);
400 
401  return kSuccess;
402  }));
403 
404  g_autoptr(GError) error = nullptr;
405  EXPECT_TRUE(fl_engine_start(engine, &error));
406  EXPECT_EQ(error, nullptr);
407 
408  EXPECT_TRUE(called);
409 
410  if (initial_language) {
411  g_setenv("LANGUAGE", initial_language, TRUE);
412  } else {
413  g_unsetenv("LANGUAGE");
414  }
415  g_free(initial_language);
416 }
417 
418 TEST(FlEngineTest, SwitchesEmpty) {
419  g_autoptr(FlEngine) engine = make_mock_engine();
420 
421  // Clear the main environment variable, since test order is not guaranteed.
422  unsetenv("FLUTTER_ENGINE_SWITCHES");
423 
424  g_autoptr(GPtrArray) switches = fl_engine_get_switches(engine);
425 
426  EXPECT_EQ(switches->len, 0U);
427 }
428 
429 TEST(FlEngineTest, SendWindowStateEvent) {
430  g_autoptr(FlEngine) engine = make_mock_engine();
431  FlutterEngineProcTable* embedder_api = fl_engine_get_embedder_api(engine);
432 
433  bool called = false;
434  std::string state;
435  embedder_api->SendPlatformMessage = MOCK_ENGINE_PROC(
436  SendPlatformMessage,
437  ([&called, &state](auto engine, const FlutterPlatformMessage* message) {
438  EXPECT_STREQ(message->channel, "flutter/lifecycle");
439  called = true;
440  g_autoptr(FlStringCodec) codec = fl_string_codec_new();
441  g_autoptr(GBytes) data =
442  g_bytes_new(message->message, message->message_size);
443  g_autoptr(GError) error = nullptr;
444  g_autoptr(FlValue) parsed_state = fl_message_codec_decode_message(
445  FL_MESSAGE_CODEC(codec), data, &error);
446 
447  state = fl_value_get_string(parsed_state);
448  return kSuccess;
449  }));
450  fl_engine_send_window_state_event(engine, false, false);
451  EXPECT_STREQ(state.c_str(), flutter::AppLifecycleStateToString(
452  flutter::AppLifecycleState::kHidden));
453  fl_engine_send_window_state_event(engine, false, true);
454  EXPECT_STREQ(state.c_str(), flutter::AppLifecycleStateToString(
455  flutter::AppLifecycleState::kHidden));
456  fl_engine_send_window_state_event(engine, true, false);
457  EXPECT_STREQ(state.c_str(), flutter::AppLifecycleStateToString(
458  flutter::AppLifecycleState::kInactive));
459  fl_engine_send_window_state_event(engine, true, true);
460  EXPECT_STREQ(state.c_str(), flutter::AppLifecycleStateToString(
461  flutter::AppLifecycleState::kResumed));
462  EXPECT_TRUE(called);
463 }
464 
465 #ifndef FLUTTER_RELEASE
466 TEST(FlEngineTest, Switches) {
467  g_autoptr(FlEngine) engine = make_mock_engine();
468 
469  setenv("FLUTTER_ENGINE_SWITCHES", "2", 1);
470  setenv("FLUTTER_ENGINE_SWITCH_1", "abc", 1);
471  setenv("FLUTTER_ENGINE_SWITCH_2", "foo=\"bar, baz\"", 1);
472 
473  g_autoptr(GPtrArray) switches = fl_engine_get_switches(engine);
474  EXPECT_EQ(switches->len, 2U);
475  EXPECT_STREQ(static_cast<const char*>(g_ptr_array_index(switches, 0)),
476  "--abc");
477  EXPECT_STREQ(static_cast<const char*>(g_ptr_array_index(switches, 1)),
478  "--foo=\"bar, baz\"");
479 
480  unsetenv("FLUTTER_ENGINE_SWITCHES");
481  unsetenv("FLUTTER_ENGINE_SWITCH_1");
482  unsetenv("FLUTTER_ENGINE_SWITCH_2");
483 }
484 #endif // !FLUTTER_RELEASE
485 
486 // NOLINTEND(clang-analyzer-core.StackAddressEscape)
event
FlKeyEvent * event
Definition: fl_key_channel_responder.cc:118
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@ kHidden
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Definition: fl_engine.cc:602
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G_MODULE_EXPORT FlJsonMessageCodec * fl_json_message_codec_new()
Definition: fl_json_message_codec.cc:306
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void fl_engine_dispatch_semantics_action(FlEngine *self, uint64_t id, FlutterSemanticsAction action, GBytes *data)
Definition: fl_engine.cc:876
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Definition: fl_engine.cc:771
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G_MODULE_EXPORT FlDartProject * fl_dart_project_new()
Definition: fl_dart_project.cc:50
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G_MODULE_EXPORT FlValue * fl_value_lookup_string(FlValue *self, const gchar *key)
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Definition: fl_event_channel_test.cc:24
app_lifecycle_state.h
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G_MODULE_EXPORT FlValue * fl_message_codec_decode_message(FlMessageCodec *self, GBytes *message, GError **error)
Definition: fl_message_codec.cc:33
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void fl_engine_send_pointer_pan_zoom_event(FlEngine *self, size_t timestamp, double x, double y, FlutterPointerPhase phase, double pan_x, double pan_y, double scale, double rotation)
Definition: fl_engine.cc:829
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@ kInactive
fl_value_get_type
G_MODULE_EXPORT FlValueType fl_value_get_type(FlValue *self)
Definition: fl_value.cc:466
FL_VALUE_TYPE_STRING
@ FL_VALUE_TYPE_STRING
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G_MODULE_EXPORT void fl_dart_project_set_dart_entrypoint_arguments(FlDartProject *self, char **argv)
Definition: fl_dart_project.cc:110
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TRUE
return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
TEST
TEST(FlEngineTest, WindowMetrics)
Definition: fl_engine_test.cc:20
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G_BEGIN_DECLS G_MODULE_EXPORT FlValue * args
Definition: fl_event_channel.h:89
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const uint8_t uint32_t uint32_t GError ** error
Definition: fl_pixel_buffer_texture_test.cc:40
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Definition: fl_engine.cc:793
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Definition: fl_engine_test.cc:271
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G_MODULE_EXPORT FlStringCodec * fl_string_codec_new()
Definition: fl_string_codec.cc:53
fl_engine_start
gboolean fl_engine_start(FlEngine *self, GError **error)
Definition: fl_engine.cc:474
FL_VALUE_TYPE_FLOAT
@ FL_VALUE_TYPE_FLOAT
Definition: fl_value.h:68
fl_engine_send_window_state_event
void fl_engine_send_window_state_event(FlEngine *self, gboolean visible, gboolean focused)
Definition: fl_engine.cc:759
flutter::AppLifecycleStateToString
constexpr const char * AppLifecycleStateToString(AppLifecycleState state)
Definition: app_lifecycle_state.h:72
callback
FlKeyEvent uint64_t FlKeyResponderAsyncCallback callback
Definition: fl_key_channel_responder.cc:120
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GPtrArray * fl_engine_get_switches(FlEngine *self)
Definition: fl_engine.cc:951
FL_VALUE_TYPE_BOOL
@ FL_VALUE_TYPE_BOOL
Definition: fl_value.h:66
fl_engine_send_platform_message_response
gboolean fl_engine_send_platform_message_response(FlEngine *self, const FlutterPlatformMessageResponseHandle *handle, GBytes *response, GError **error)
Definition: fl_engine.cc:659
fl_engine_set_on_pre_engine_restart_handler
void fl_engine_set_on_pre_engine_restart_handler(FlEngine *self, FlEngineOnPreEngineRestartHandler handler, gpointer user_data, GDestroyNotify destroy_notify)
Definition: fl_engine.cc:641