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fl_binary_messenger.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 "flutter/shell/platform/linux/public/flutter_linux/fl_binary_messenger.h"
6 #include "flutter/shell/platform/linux/fl_binary_messenger_private.h"
7
8 #include "flutter/fml/logging.h"
9 #include "flutter/shell/platform/linux/fl_engine_private.h"
10 #include "flutter/shell/platform/linux/fl_method_codec_private.h"
11 #include "flutter/shell/platform/linux/public/flutter_linux/fl_engine.h"
12 #include "flutter/shell/platform/linux/public/flutter_linux/fl_method_channel.h"
13 #include "flutter/shell/platform/linux/public/flutter_linux/fl_method_codec.h"
14 #include "flutter/shell/platform/linux/public/flutter_linux/fl_standard_method_codec.h"
15
16 #include <gmodule.h>
17
18 static constexpr char kControlChannelName[] = "dev.flutter/channel-buffers";
19 static constexpr char kResizeMethod[] = "resize";
20 static constexpr char kOverflowMethod[] = "overflow";
21
22 G_DEFINE_QUARK(fl_binary_messenger_codec_error_quark,
23 fl_binary_messenger_codec_error)
24
25 G_DECLARE_FINAL_TYPE(FlBinaryMessengerImpl,
26 fl_binary_messenger_impl,
27 FL,
28 BINARY_MESSENGER_IMPL,
29 GObject)
30
31 G_DECLARE_FINAL_TYPE(FlBinaryMessengerResponseHandleImpl,
32 fl_binary_messenger_response_handle_impl,
33 FL,
34 BINARY_MESSENGER_RESPONSE_HANDLE_IMPL,
35 FlBinaryMessengerResponseHandle)
36
37 G_DEFINE_INTERFACE(FlBinaryMessenger, fl_binary_messenger, G_TYPE_OBJECT)
38
39 struct _FlBinaryMessengerImpl {
40 GObject parent_instance;
41
42 GWeakRef engine;
43
44 // PlatformMessageHandler keyed by channel name.
45 GHashTable* platform_message_handlers;
46 };
47
48 static void fl_binary_messenger_impl_iface_init(
49 FlBinaryMessengerInterface* iface);
50
51 G_DEFINE_TYPE_WITH_CODE(
52 FlBinaryMessengerImpl,
53 fl_binary_messenger_impl,
54 G_TYPE_OBJECT,
55 G_IMPLEMENT_INTERFACE(fl_binary_messenger_get_type(),
56 fl_binary_messenger_impl_iface_init))
57
58 static void fl_binary_messenger_response_handle_class_init(
59 FlBinaryMessengerResponseHandleClass* klass) {}
60
61 G_DEFINE_TYPE(FlBinaryMessengerResponseHandle,
62 fl_binary_messenger_response_handle,
63 G_TYPE_OBJECT)
64
65 static void fl_binary_messenger_response_handle_init(
66 FlBinaryMessengerResponseHandle* self) {}
67
68 struct _FlBinaryMessengerResponseHandleImpl {
69 FlBinaryMessengerResponseHandle parent_instance;
70
71 // Messenger sending response on.
72 FlBinaryMessengerImpl* messenger;
73
74 // Handle to send the response with. This is cleared to nullptr when it is
75 // used.
76 const FlutterPlatformMessageResponseHandle* response_handle;
77 };
78
79 G_DEFINE_TYPE(FlBinaryMessengerResponseHandleImpl,
80 fl_binary_messenger_response_handle_impl,
81 fl_binary_messenger_response_handle_get_type())
82
83 static void fl_binary_messenger_default_init(
84 FlBinaryMessengerInterface* iface) {}
85
86 static void fl_binary_messenger_response_handle_impl_dispose(GObject* object) {
87 FlBinaryMessengerResponseHandleImpl* self =
88 FL_BINARY_MESSENGER_RESPONSE_HANDLE_IMPL(object);
89
90 g_autoptr(FlEngine) engine =
91 FL_ENGINE(g_weak_ref_get(&self->messenger->engine));
92 if (self->response_handle != nullptr && engine != nullptr) {
93 g_critical("FlBinaryMessengerResponseHandle was not responded to");
94 }
95
96 g_clear_object(&self->messenger);
97 self->response_handle = nullptr;
98
99 G_OBJECT_CLASS(fl_binary_messenger_response_handle_impl_parent_class)
100 ->dispose(object);
101 }
102
103 static void fl_binary_messenger_response_handle_impl_class_init(
104 FlBinaryMessengerResponseHandleImplClass* klass) {
105 G_OBJECT_CLASS(klass)->dispose =
106 fl_binary_messenger_response_handle_impl_dispose;
107 }
108
109 static void fl_binary_messenger_response_handle_impl_init(
110 FlBinaryMessengerResponseHandleImpl* self) {}
111
112 static FlBinaryMessengerResponseHandleImpl*
113 fl_binary_messenger_response_handle_impl_new(
114 FlBinaryMessengerImpl* messenger,
115 const FlutterPlatformMessageResponseHandle* response_handle) {
116 FlBinaryMessengerResponseHandleImpl* self =
117 FL_BINARY_MESSENGER_RESPONSE_HANDLE_IMPL(g_object_new(
118 fl_binary_messenger_response_handle_impl_get_type(), nullptr));
119
120 self->messenger = FL_BINARY_MESSENGER_IMPL(g_object_ref(messenger));
121 self->response_handle = response_handle;
122
123 return self;
124 }
125
126 typedef struct {
127 FlBinaryMessengerMessageHandler message_handler;
128 gpointer message_handler_data;
129 GDestroyNotify message_handler_destroy_notify;
130 } PlatformMessageHandler;
131
132 static PlatformMessageHandler* platform_message_handler_new(
133 FlBinaryMessengerMessageHandler handler,
134 gpointer user_data,
135 GDestroyNotify destroy_notify) {
136 PlatformMessageHandler* self = static_cast<PlatformMessageHandler*>(
137 g_malloc0(sizeof(PlatformMessageHandler)));
138 self->message_handler = handler;
139 self->message_handler_data = user_data;
140 self->message_handler_destroy_notify = destroy_notify;
141 return self;
142 }
143
144 static void platform_message_handler_free(gpointer data) {
145 PlatformMessageHandler* self = static_cast<PlatformMessageHandler*>(data);
146 if (self->message_handler_destroy_notify) {
147 self->message_handler_destroy_notify(self->message_handler_data);
148 }
149 g_free(self);
150 }
151
152 static gboolean fl_binary_messenger_platform_message_cb(
153 FlEngine* engine,
154 const gchar* channel,
155 GBytes* message,
156 const FlutterPlatformMessageResponseHandle* response_handle,
157 void* user_data) {
158 FlBinaryMessenger* self = FL_BINARY_MESSENGER(user_data);
159 return fl_binary_messenger_handle_message(self, channel, message,
160 response_handle);
161 }
162
163 static void fl_binary_messenger_impl_dispose(GObject* object) {
164 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(object);
165
166 g_weak_ref_clear(&self->engine);
167
168 g_clear_pointer(&self->platform_message_handlers, g_hash_table_unref);
169
170 G_OBJECT_CLASS(fl_binary_messenger_impl_parent_class)->dispose(object);
171 }
172
173 static void set_message_handler_on_channel(
174 FlBinaryMessenger* messenger,
175 const gchar* channel,
176 FlBinaryMessengerMessageHandler handler,
177 gpointer user_data,
178 GDestroyNotify destroy_notify) {
179 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
180
181 // Don't set handlers if engine already gone.
182 g_autoptr(FlEngine) engine = FL_ENGINE(g_weak_ref_get(&self->engine));
183 if (engine == nullptr) {
184 if (handler != nullptr) {
185 g_warning(
186 "Attempted to set message handler on an FlBinaryMessenger without an "
187 "engine");
188 }
189 if (destroy_notify != nullptr) {
190 destroy_notify(user_data);
191 }
192 return;
193 }
194
195 if (handler != nullptr) {
196 g_hash_table_replace(
197 self->platform_message_handlers, g_strdup(channel),
198 platform_message_handler_new(handler, user_data, destroy_notify));
199 } else {
200 g_hash_table_remove(self->platform_message_handlers, channel);
201 }
202 }
203
204 static gboolean do_unref(gpointer value) {
205 g_object_unref(value);
206 return G_SOURCE_REMOVE;
207 }
208
209 // Note: This function can be called from any thread.
210 static gboolean send_response(FlBinaryMessenger* messenger,
211 FlBinaryMessengerResponseHandle* response_handle_,
212 GBytes* response,
213 GError** error) {
214 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
215 g_return_val_if_fail(
216 FL_IS_BINARY_MESSENGER_RESPONSE_HANDLE_IMPL(response_handle_), FALSE);
217 FlBinaryMessengerResponseHandleImpl* response_handle =
218 FL_BINARY_MESSENGER_RESPONSE_HANDLE_IMPL(response_handle_);
219
220 g_return_val_if_fail(response_handle->messenger == self, FALSE);
221 g_return_val_if_fail(response_handle->response_handle != nullptr, FALSE);
222
223 FlEngine* engine = FL_ENGINE(g_weak_ref_get(&self->engine));
224 if (engine == nullptr) {
225 return TRUE;
226 }
227
228 gboolean result = false;
229 if (response_handle->response_handle == nullptr) {
230 g_set_error(
231 error, FL_BINARY_MESSENGER_ERROR,
232 FL_BINARY_MESSENGER_ERROR_ALREADY_RESPONDED,
233 "Attempted to respond to a message that is already responded to");
234 result = FALSE;
235 } else {
236 result = fl_engine_send_platform_message_response(
237 engine, response_handle->response_handle, response, error);
238 response_handle->response_handle = nullptr;
239 }
240
241 // This guarantees that the dispose method for the engine is executed
242 // on the platform thread in the rare chance this is the last ref.
243 g_idle_add(do_unref, engine);
244
245 return result;
246 }
247
248 static void platform_message_ready_cb(GObject* object,
249 GAsyncResult* result,
250 gpointer user_data) {
251 g_autoptr(GTask) task = G_TASK(user_data);
252 g_task_return_pointer(task, g_object_ref(result), g_object_unref);
253 }
254
255 static void send_on_channel(FlBinaryMessenger* messenger,
256 const gchar* channel,
257 GBytes* message,
258 GCancellable* cancellable,
259 GAsyncReadyCallback callback,
260 gpointer user_data) {
261 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
262
263 g_autoptr(FlEngine) engine = FL_ENGINE(g_weak_ref_get(&self->engine));
264 if (engine == nullptr) {
265 return;
266 }
267
268 fl_engine_send_platform_message(
269 engine, channel, message, cancellable,
270 callback != nullptr ? platform_message_ready_cb : nullptr,
271 callback != nullptr ? g_task_new(self, cancellable, callback, user_data)
272 : nullptr);
273 }
274
275 static GBytes* send_on_channel_finish(FlBinaryMessenger* messenger,
276 GAsyncResult* result,
277 GError** error) {
278 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
279 g_return_val_if_fail(g_task_is_valid(result, self), FALSE);
280
281 GTask* task = G_TASK(result);
282 g_autoptr(GAsyncResult) r =
283 G_ASYNC_RESULT(g_task_propagate_pointer(task, error));
284 if (r == nullptr) {
285 return nullptr;
286 }
287
288 g_autoptr(FlEngine) engine = FL_ENGINE(g_weak_ref_get(&self->engine));
289 if (engine == nullptr) {
290 return nullptr;
291 }
292
293 return fl_engine_send_platform_message_finish(engine, r, error);
294 }
295
296 // Completes method call and returns TRUE if the call was successful.
297 static gboolean finish_method(GObject* object,
298 GAsyncResult* result,
299 GError** error) {
300 g_autoptr(GBytes) response = fl_binary_messenger_send_on_channel_finish(
301 FL_BINARY_MESSENGER(object), result, error);
302 if (response == nullptr) {
303 return FALSE;
304 }
305 g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
306 return fl_method_codec_decode_response(FL_METHOD_CODEC(codec), response,
307 error) != nullptr;
308 }
309
310 // Called when a response is received for the resize channel message.
311 static void resize_channel_response_cb(GObject* object,
312 GAsyncResult* result,
313 gpointer user_data) {
314 g_autoptr(GError) error = nullptr;
315 if (!finish_method(object, result, &error)) {
316 g_warning("Failed to resize channel: %s", error->message);
317 }
318 }
319
320 static void resize_channel(FlBinaryMessenger* messenger,
321 const gchar* channel,
322 int64_t new_size) {
323 FML_DCHECK(new_size >= 0);
324 g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
325 g_autoptr(FlValue) args = fl_value_new_list();
326 fl_value_append_take(args, fl_value_new_string(channel));
327 fl_value_append_take(args, fl_value_new_int(new_size));
328 g_autoptr(GBytes) message = fl_method_codec_encode_method_call(
329 FL_METHOD_CODEC(codec), kResizeMethod, args, nullptr);
330 fl_binary_messenger_send_on_channel(messenger, kControlChannelName, message,
331 nullptr, resize_channel_response_cb,
332 nullptr);
333 }
334
335 // Called when a response is received for the warns on overflow message.
336 static void set_warns_on_channel_overflow_response_cb(GObject* object,
337 GAsyncResult* result,
338 gpointer user_data) {
339 g_autoptr(GError) error = nullptr;
340 if (!finish_method(object, result, &error)) {
341 g_warning("Failed to set warns on channel overflow: %s", error->message);
342 }
343 }
344
345 static void set_warns_on_channel_overflow(FlBinaryMessenger* messenger,
346 const gchar* channel,
347 bool warns) {
348 g_autoptr(FlStandardMethodCodec) codec = fl_standard_method_codec_new();
349 g_autoptr(FlValue) args = fl_value_new_list();
350 fl_value_append_take(args, fl_value_new_string(channel));
351 fl_value_append_take(args, fl_value_new_bool(!warns));
352 g_autoptr(GBytes) message = fl_method_codec_encode_method_call(
353 FL_METHOD_CODEC(codec), kOverflowMethod, args, nullptr);
354 fl_binary_messenger_send_on_channel(
355 messenger, kControlChannelName, message, nullptr,
356 set_warns_on_channel_overflow_response_cb, nullptr);
357 }
358
359 static void shutdown(FlBinaryMessenger* messenger) {
360 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
361
362 // Disconnect any handlers.
363 // Take the reference in case a handler tries to modify this table.
364 g_autoptr(GHashTable) handlers = self->platform_message_handlers;
365 self->platform_message_handlers = g_hash_table_new_full(
366 g_str_hash, g_str_equal, g_free, platform_message_handler_free);
367 g_hash_table_remove_all(handlers);
368 }
369
370 static void fl_binary_messenger_impl_class_init(
371 FlBinaryMessengerImplClass* klass) {
372 G_OBJECT_CLASS(klass)->dispose = fl_binary_messenger_impl_dispose;
373 }
374
375 static void fl_binary_messenger_impl_iface_init(
376 FlBinaryMessengerInterface* iface) {
377 iface->set_message_handler_on_channel = set_message_handler_on_channel;
378 iface->send_response = send_response;
379 iface->send_on_channel = send_on_channel;
380 iface->send_on_channel_finish = send_on_channel_finish;
381 iface->resize_channel = resize_channel;
382 iface->set_warns_on_channel_overflow = set_warns_on_channel_overflow;
383 iface->shutdown = shutdown;
384 }
385
386 static void fl_binary_messenger_impl_init(FlBinaryMessengerImpl* self) {
387 self->platform_message_handlers = g_hash_table_new_full(
388 g_str_hash, g_str_equal, g_free, platform_message_handler_free);
389 }
390
391 FlBinaryMessenger* fl_binary_messenger_new(FlEngine* engine) {
392 g_return_val_if_fail(FL_IS_ENGINE(engine), nullptr);
393
394 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(
395 g_object_new(fl_binary_messenger_impl_get_type(), nullptr));
396
397 // Added to stop compiler complaining about an unused function.
398 FL_IS_BINARY_MESSENGER_IMPL(self);
399
400 g_weak_ref_init(&self->engine, G_OBJECT(engine));
401
402 fl_engine_set_platform_message_handler(
403 engine, fl_binary_messenger_platform_message_cb, self, NULL);
404
405 return FL_BINARY_MESSENGER(self);
406 }
407
408 G_MODULE_EXPORT void fl_binary_messenger_set_message_handler_on_channel(
409 FlBinaryMessenger* self,
410 const gchar* channel,
411 FlBinaryMessengerMessageHandler handler,
412 gpointer user_data,
413 GDestroyNotify destroy_notify) {
414 g_return_if_fail(FL_IS_BINARY_MESSENGER(self));
415 g_return_if_fail(channel != nullptr);
416
417 FL_BINARY_MESSENGER_GET_IFACE(self)->set_message_handler_on_channel(
418 self, channel, handler, user_data, destroy_notify);
419 }
420
421 // Note: This function can be called from any thread.
422 G_MODULE_EXPORT gboolean fl_binary_messenger_send_response(
423 FlBinaryMessenger* self,
424 FlBinaryMessengerResponseHandle* response_handle,
425 GBytes* response,
426 GError** error) {
427 g_return_val_if_fail(FL_IS_BINARY_MESSENGER(self), FALSE);
428 g_return_val_if_fail(FL_IS_BINARY_MESSENGER_RESPONSE_HANDLE(response_handle),
429 FALSE);
430
431 return FL_BINARY_MESSENGER_GET_IFACE(self)->send_response(
432 self, response_handle, response, error);
433 }
434
435 G_MODULE_EXPORT void fl_binary_messenger_send_on_channel(
436 FlBinaryMessenger* self,
437 const gchar* channel,
438 GBytes* message,
439 GCancellable* cancellable,
440 GAsyncReadyCallback callback,
441 gpointer user_data) {
442 g_return_if_fail(FL_IS_BINARY_MESSENGER(self));
443 g_return_if_fail(channel != nullptr);
444
445 FL_BINARY_MESSENGER_GET_IFACE(self)->send_on_channel(
446 self, channel, message, cancellable, callback, user_data);
447 }
448
449 G_MODULE_EXPORT GBytes* fl_binary_messenger_send_on_channel_finish(
450 FlBinaryMessenger* self,
451 GAsyncResult* result,
452 GError** error) {
453 g_return_val_if_fail(FL_IS_BINARY_MESSENGER(self), FALSE);
454
455 return FL_BINARY_MESSENGER_GET_IFACE(self)->send_on_channel_finish(
456 self, result, error);
457 }
458
459 G_MODULE_EXPORT void fl_binary_messenger_resize_channel(FlBinaryMessenger* self,
460 const gchar* channel,
461 int64_t new_size) {
462 g_return_if_fail(FL_IS_BINARY_MESSENGER(self));
463
464 return FL_BINARY_MESSENGER_GET_IFACE(self)->resize_channel(self, channel,
465 new_size);
466 }
467
468 G_MODULE_EXPORT void fl_binary_messenger_set_warns_on_channel_overflow(
469 FlBinaryMessenger* self,
470 const gchar* channel,
471 bool warns) {
472 g_return_if_fail(FL_IS_BINARY_MESSENGER(self));
473
474 return FL_BINARY_MESSENGER_GET_IFACE(self)->set_warns_on_channel_overflow(
475 self, channel, warns);
476 }
477
478 gboolean fl_binary_messenger_handle_message(
479 FlBinaryMessenger* messenger,
480 const gchar* channel,
481 GBytes* message,
482 const FlutterPlatformMessageResponseHandle* response_handle) {
483 FlBinaryMessengerImpl* self = FL_BINARY_MESSENGER_IMPL(messenger);
484
485 PlatformMessageHandler* handler = static_cast<PlatformMessageHandler*>(
486 g_hash_table_lookup(self->platform_message_handlers, channel));
487 if (handler == nullptr) {
488 return FALSE;
489 }
490
491 g_autoptr(FlBinaryMessengerResponseHandleImpl) handle =
492 fl_binary_messenger_response_handle_impl_new(self, response_handle);
493 handler->message_handler(FL_BINARY_MESSENGER(self), channel, message,
494 FL_BINARY_MESSENGER_RESPONSE_HANDLE(handle),
495 handler->message_handler_data);
496
497 return TRUE;
498 }
499
500 void fl_binary_messenger_shutdown(FlBinaryMessenger* self) {
501 g_return_if_fail(FL_IS_BINARY_MESSENGER(self));
502
503 return FL_BINARY_MESSENGER_GET_IFACE(self)->shutdown(self);
504 }
fl_binary_messenger_impl_class_init
static void fl_binary_messenger_impl_class_init(FlBinaryMessengerImplClass *klass)
Definition: fl_binary_messenger.cc:370
resize_channel
static void resize_channel(FlBinaryMessenger *messenger, const gchar *channel, int64_t new_size)
Definition: fl_binary_messenger.cc:320
send_on_channel
static void send_on_channel(FlBinaryMessenger *messenger, const gchar *channel, GBytes *message, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
Definition: fl_binary_messenger.cc:255
fl_binary_messenger_response_handle_impl_dispose
static void fl_binary_messenger_response_handle_impl_dispose(GObject *object)
Definition: fl_binary_messenger.cc:86
G_DEFINE_QUARK
G_DEFINE_QUARK(fl_binary_messenger_codec_error_quark, fl_binary_messenger_codec_error) G_DECLARE_FINAL_TYPE(FlBinaryMessengerImpl
set_message_handler_on_channel
static void set_message_handler_on_channel(FlBinaryMessenger *messenger, const gchar *channel, FlBinaryMessengerMessageHandler handler, gpointer user_data, GDestroyNotify destroy_notify)
Definition: fl_binary_messenger.cc:173
fl_binary_messenger_new
FlBinaryMessenger * fl_binary_messenger_new(FlEngine *engine)
Definition: fl_binary_messenger.cc:391
fl_binary_messenger_platform_message_cb
static gboolean fl_binary_messenger_platform_message_cb(FlEngine *engine, const gchar *channel, GBytes *message, const FlutterPlatformMessageResponseHandle *response_handle, void *user_data)
Definition: fl_binary_messenger.cc:152
fl_binary_messenger_send_on_channel_finish
G_MODULE_EXPORT GBytes * fl_binary_messenger_send_on_channel_finish(FlBinaryMessenger *self, GAsyncResult *result, GError **error)
Definition: fl_binary_messenger.cc:449
fl_binary_messenger_resize_channel
G_MODULE_EXPORT void fl_binary_messenger_resize_channel(FlBinaryMessenger *self, const gchar *channel, int64_t new_size)
Definition: fl_binary_messenger.cc:459
fl_binary_messenger_set_message_handler_on_channel
G_MODULE_EXPORT void fl_binary_messenger_set_message_handler_on_channel(FlBinaryMessenger *self, const gchar *channel, FlBinaryMessengerMessageHandler handler, gpointer user_data, GDestroyNotify destroy_notify)
Definition: fl_binary_messenger.cc:408
fl_binary_messenger_send_on_channel
G_MODULE_EXPORT void fl_binary_messenger_send_on_channel(FlBinaryMessenger *self, const gchar *channel, GBytes *message, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
Definition: fl_binary_messenger.cc:435
fl_binary_messenger_impl_dispose
static void fl_binary_messenger_impl_dispose(GObject *object)
Definition: fl_binary_messenger.cc:163
platform_message_ready_cb
static void platform_message_ready_cb(GObject *object, GAsyncResult *result, gpointer user_data)
Definition: fl_binary_messenger.cc:248
fl_binary_messenger_response_handle_impl_init
static void fl_binary_messenger_response_handle_impl_init(FlBinaryMessengerResponseHandleImpl *self)
Definition: fl_binary_messenger.cc:109
fl_binary_messenger_impl_init
static void fl_binary_messenger_impl_init(FlBinaryMessengerImpl *self)
Definition: fl_binary_messenger.cc:386
G_DECLARE_FINAL_TYPE
GObject G_DECLARE_FINAL_TYPE(FlBinaryMessengerResponseHandleImpl, fl_binary_messenger_response_handle_impl, FL, BINARY_MESSENGER_RESPONSE_HANDLE_IMPL, FlBinaryMessengerResponseHandle) struct _FlBinaryMessengerImpl
Definition: fl_binary_messenger.cc:31
fl_binary_messenger_send_response
G_MODULE_EXPORT gboolean fl_binary_messenger_send_response(FlBinaryMessenger *self, FlBinaryMessengerResponseHandle *response_handle, GBytes *response, GError **error)
Definition: fl_binary_messenger.cc:422
platform_message_handler_new
static PlatformMessageHandler * platform_message_handler_new(FlBinaryMessengerMessageHandler handler, gpointer user_data, GDestroyNotify destroy_notify)
Definition: fl_binary_messenger.cc:132
FL
FL
Definition: fl_binary_messenger.cc:27
fl_binary_messenger_set_warns_on_channel_overflow
G_MODULE_EXPORT void fl_binary_messenger_set_warns_on_channel_overflow(FlBinaryMessenger *self, const gchar *channel, bool warns)
Definition: fl_binary_messenger.cc:468
send_response
static gboolean send_response(FlBinaryMessenger *messenger, FlBinaryMessengerResponseHandle *response_handle_, GBytes *response, GError **error)
Definition: fl_binary_messenger.cc:210
set_warns_on_channel_overflow
static void set_warns_on_channel_overflow(FlBinaryMessenger *messenger, const gchar *channel, bool warns)
Definition: fl_binary_messenger.cc:345
kControlChannelName
static constexpr char kControlChannelName[]
Definition: fl_binary_messenger.cc:18
fl_binary_messenger_impl_iface_init
static void fl_binary_messenger_impl_iface_init(FlBinaryMessengerInterface *iface)
Definition: fl_binary_messenger.cc:375
kOverflowMethod
static constexpr char kOverflowMethod[]
Definition: fl_binary_messenger.cc:20
resize_channel_response_cb
static void resize_channel_response_cb(GObject *object, GAsyncResult *result, gpointer user_data)
Definition: fl_binary_messenger.cc:311
send_on_channel_finish
static GBytes * send_on_channel_finish(FlBinaryMessenger *messenger, GAsyncResult *result, GError **error)
Definition: fl_binary_messenger.cc:275
finish_method
static gboolean finish_method(GObject *object, GAsyncResult *result, GError **error)
Definition: fl_binary_messenger.cc:297
set_warns_on_channel_overflow_response_cb
static void set_warns_on_channel_overflow_response_cb(GObject *object, GAsyncResult *result, gpointer user_data)
Definition: fl_binary_messenger.cc:336
BINARY_MESSENGER_IMPL
BINARY_MESSENGER_IMPL
Definition: fl_binary_messenger.cc:28
fl_binary_messenger_response_handle_impl_class_init
static void fl_binary_messenger_response_handle_impl_class_init(FlBinaryMessengerResponseHandleImplClass *klass)
Definition: fl_binary_messenger.cc:103
fl_binary_messenger_handle_message
gboolean fl_binary_messenger_handle_message(FlBinaryMessenger *messenger, const gchar *channel, GBytes *message, const FlutterPlatformMessageResponseHandle *response_handle)
Definition: fl_binary_messenger.cc:478
do_unref
static gboolean do_unref(gpointer value)
Definition: fl_binary_messenger.cc:204
kResizeMethod
static constexpr char kResizeMethod[]
Definition: fl_binary_messenger.cc:19
fl_binary_messenger_shutdown
void fl_binary_messenger_shutdown(FlBinaryMessenger *self)
Definition: fl_binary_messenger.cc:500
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fl_binary_messenger_impl
Definition: fl_binary_messenger.cc:26
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G_DEFINE_TYPE(FlBinaryMessengerResponseHandle, fl_binary_messenger_response_handle, G_TYPE_OBJECT) static void fl_binary_messenger_response_handle_init(FlBinaryMessengerResponseHandle *self)
Definition: fl_binary_messenger.cc:61
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static FlBinaryMessengerResponseHandleImpl * fl_binary_messenger_response_handle_impl_new(FlBinaryMessengerImpl *messenger, const FlutterPlatformMessageResponseHandle *response_handle)
Definition: fl_binary_messenger.cc:113
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G_DEFINE_TYPE_WITH_CODE(FlBinaryMessengerImpl, fl_binary_messenger_impl, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE(fl_binary_messenger_get_type(), fl_binary_messenger_impl_iface_init)) static void fl_binary_messenger_response_handle_class_init(FlBinaryMessengerResponseHandleClass *klass)
Definition: fl_binary_messenger.cc:51
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static void platform_message_handler_free(gpointer data)
Definition: fl_binary_messenger.cc:144
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static void shutdown(FlBinaryMessenger *messenger)
Definition: fl_binary_messenger.cc:359
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G_MODULE_EXPORT GQuark fl_binary_messenger_codec_error_quark(void) G_GNUC_CONST
FL_BINARY_MESSENGER_ERROR
#define FL_BINARY_MESSENGER_ERROR
Definition: fl_binary_messenger.h:27
FL_BINARY_MESSENGER_ERROR_ALREADY_RESPONDED
@ FL_BINARY_MESSENGER_ERROR_ALREADY_RESPONDED
Definition: fl_binary_messenger.h:31
FlBinaryMessengerMessageHandler
G_MODULE_EXPORT GObject typedef void(* FlBinaryMessengerMessageHandler)(FlBinaryMessenger *messenger, const gchar *channel, GBytes *message, FlBinaryMessengerResponseHandle *response_handle, gpointer user_data)
Definition: fl_binary_messenger.h:66
fl_binary_messenger_response_handle
G_MODULE_EXPORT fl_binary_messenger_response_handle
Definition: fl_binary_messenger.h:46
fl_binary_messenger_private.h
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void fl_engine_set_platform_message_handler(FlEngine *self, FlEnginePlatformMessageHandler handler, gpointer user_data, GDestroyNotify destroy_notify)
Definition: fl_engine.cc:980
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gboolean fl_engine_send_platform_message_response(FlEngine *self, const FlutterPlatformMessageResponseHandle *handle, GBytes *response, GError **error)
Definition: fl_engine.cc:999
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void fl_engine_send_platform_message(FlEngine *self, const gchar *channel, GBytes *message, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data)
Definition: fl_engine.cc:1031
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GBytes * fl_engine_send_platform_message_finish(FlEngine *self, GAsyncResult *result, GError **error)
Definition: fl_engine.cc:1090
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G_BEGIN_DECLS G_MODULE_EXPORT FlValue * args
Definition: fl_event_channel.h:89
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G_BEGIN_DECLS G_MODULE_EXPORT FlValue gpointer user_data
Definition: fl_event_channel.h:90
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fl_method_codec_encode_method_call
GBytes * fl_method_codec_encode_method_call(FlMethodCodec *self, const gchar *name, FlValue *args, GError **error)
Definition: fl_method_codec.cc:16
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FlMethodResponse * fl_method_codec_decode_response(FlMethodCodec *self, GBytes *message, GError **error)
Definition: fl_method_codec.cc:88
fl_method_codec.h
fl_method_codec_private.h
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return TRUE
Definition: fl_pixel_buffer_texture_test.cc:53
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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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uint8_t value
Definition: fl_standard_message_codec.cc:36
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G_MODULE_EXPORT FlStandardMethodCodec * fl_standard_method_codec_new()
Definition: fl_standard_method_codec.cc:291
fl_standard_method_codec.h
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G_MODULE_EXPORT FlValue * fl_value_new_string(const gchar *value)
Definition: fl_value.cc:276
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G_MODULE_EXPORT FlValue * fl_value_new_bool(bool value)
Definition: fl_value.cc:255
fl_value_new_list
G_MODULE_EXPORT FlValue * fl_value_new_list()
Definition: fl_value.cc:349
fl_value_append_take
G_MODULE_EXPORT void fl_value_append_take(FlValue *self, FlValue *value)
Definition: fl_value.cc:600
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G_MODULE_EXPORT FlValue * fl_value_new_int(int64_t value)
Definition: fl_value.cc:262
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typedefG_BEGIN_DECLS struct _FlValue FlValue
Definition: fl_value.h:42
_FlBinaryMessengerResponseHandleImpl
Definition: fl_binary_messenger.cc:68
_FlBinaryMessengerResponseHandleImpl::parent_instance
FlBinaryMessengerResponseHandle parent_instance
Definition: fl_binary_messenger.cc:69
_FlBinaryMessengerResponseHandleImpl::response_handle
const FlutterPlatformMessageResponseHandle * response_handle
Definition: fl_binary_messenger.cc:76
_FlBinaryMessengerResponseHandleImpl::messenger
FlBinaryMessengerImpl * messenger
Definition: fl_binary_messenger.cc:72
PlatformMessageHandler
Definition: fl_binary_messenger.cc:126
PlatformMessageHandler::message_handler
FlBinaryMessengerMessageHandler message_handler
Definition: fl_binary_messenger.cc:127
PlatformMessageHandler::message_handler_data
gpointer message_handler_data
Definition: fl_binary_messenger.cc:128
PlatformMessageHandler::message_handler_destroy_notify
GDestroyNotify message_handler_destroy_notify
Definition: fl_binary_messenger.cc:129