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fl_view_accessible.cc File Reference

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Classes

struct  _FlViewAccessible
 

Enumerations

enum  {
  kProp0,
  kPropEngine,
  kPropLast
}
 

Functions

 G_DEFINE_TYPE (FlViewAccessible, fl_view_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE) static void init_engine(FlViewAccessible *self
 
 g_object_add_weak_pointer (G_OBJECT(self), reinterpret_cast< gpointer * >(&self->engine))
 
static FlEngine * get_engine (FlViewAccessible *self)
 
static FlAccessibleNode * create_node (FlViewAccessible *self, const FlutterSemanticsNode *semantics)
 
static FlAccessibleNode * lookup_node (FlViewAccessible *self, int32_t id)
 
static FlAccessibleNode * get_node (FlViewAccessible *self, const FlutterSemanticsNode *semantics)
 
static void commit_updates (FlViewAccessible *self)
 
static gint fl_view_accessible_get_n_children (AtkObject *accessible)
 
static AtkObject * fl_view_accessible_ref_child (AtkObject *accessible, gint i)
 
static AtkRole fl_view_accessible_get_role (AtkObject *accessible)
 
static void fl_view_accessible_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
 
static void fl_view_accessible_dispose (GObject *object)
 
static void fl_view_accessible_class_init (FlViewAccessibleClass *klass)
 
static void fl_view_accessible_init (FlViewAccessible *self)
 
void fl_view_accessible_handle_update_semantics_node (FlViewAccessible *self, const FlutterSemanticsNode *node)
 

Variables

FlEngine * engine
 

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
kProp0 
kPropEngine 
kPropLast 

Definition at line 23 of file fl_view_accessible.cc.

Function Documentation

◆ commit_updates()

static void commit_updates ( FlViewAccessible *  self)
static

Definition at line 81 of file fl_view_accessible.cc.

81  {
82  g_hash_table_foreach_remove(
83  self->pending_children,
84  [](gpointer key, gpointer value, gpointer user_data) -> gboolean {
85  FlViewAccessible* self = FL_VIEW_ACCESSIBLE(user_data);
86 
87  FlAccessibleNode* parent = FL_ACCESSIBLE_NODE(key);
88 
89  size_t child_count = fl_value_get_length(static_cast<FlValue*>(value));
90  const int32_t* children_in_traversal_order =
91  fl_value_get_int32_list(static_cast<FlValue*>(value));
92 
93  g_autoptr(GPtrArray) children = g_ptr_array_new();
94  for (size_t i = 0; i < child_count; i++) {
95  FlAccessibleNode* child =
96  lookup_node(self, children_in_traversal_order[i]);
97  g_assert(child != nullptr);
98  fl_accessible_node_set_parent(child, ATK_OBJECT(parent), i);
99  g_ptr_array_add(children, child);
100  }
101  fl_accessible_node_set_children(parent, children);
102 
103  return true;
104  },
105  self);
106 }

References fl_accessible_node_set_children(), self, user_data, and value.

Referenced by fl_view_accessible_handle_update_semantics_node().

◆ create_node()

static FlAccessibleNode* create_node ( FlViewAccessible *  self,
const FlutterSemanticsNode *  semantics 
)
static

Definition at line 44 of file fl_view_accessible.cc.

45  {
46  FlEngine* engine = get_engine(self);
47 
48  if (semantics->flags & kFlutterSemanticsFlagIsTextField) {
49  return fl_accessible_text_field_new(engine, semantics->id);
50  }
51 
52  return fl_accessible_node_new(engine, semantics->id);
53 }

References engine, fl_accessible_node_new(), fl_accessible_text_field_new(), and get_engine().

Referenced by get_node().

◆ fl_view_accessible_class_init()

static void fl_view_accessible_class_init ( FlViewAccessibleClass *  klass)
static

Definition at line 168 of file fl_view_accessible.cc.

168  {
169  ATK_OBJECT_CLASS(klass)->get_n_children = fl_view_accessible_get_n_children;
170  ATK_OBJECT_CLASS(klass)->ref_child = fl_view_accessible_ref_child;
171  ATK_OBJECT_CLASS(klass)->get_role = fl_view_accessible_get_role;
172 
173  G_OBJECT_CLASS(klass)->dispose = fl_view_accessible_dispose;
174  G_OBJECT_CLASS(klass)->set_property = fl_view_accessible_set_property;
175 
176  g_object_class_install_property(
177  G_OBJECT_CLASS(klass), kPropEngine,
178  g_param_spec_object(
179  "engine", "engine", "Flutter engine", fl_engine_get_type(),
180  static_cast<GParamFlags>(G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY |
181  G_PARAM_STATIC_STRINGS)));
182 }

References fl_view_accessible_dispose(), fl_view_accessible_get_n_children(), fl_view_accessible_get_role(), fl_view_accessible_ref_child(), fl_view_accessible_set_property(), and kPropEngine.

◆ fl_view_accessible_dispose()

static void fl_view_accessible_dispose ( GObject *  object)
static

Definition at line 153 of file fl_view_accessible.cc.

153  {
154  FlViewAccessible* self = FL_VIEW_ACCESSIBLE(object);
155 
156  g_clear_pointer(&self->semantics_nodes_by_id, g_hash_table_unref);
157  g_clear_pointer(&self->pending_children, g_hash_table_unref);
158 
159  if (self->engine != nullptr) {
160  g_object_remove_weak_pointer(object,
161  reinterpret_cast<gpointer*>(&self->engine));
162  self->engine = nullptr;
163  }
164 
165  G_OBJECT_CLASS(fl_view_accessible_parent_class)->dispose(object);
166 }

References self.

Referenced by fl_view_accessible_class_init().

◆ fl_view_accessible_get_n_children()

static gint fl_view_accessible_get_n_children ( AtkObject *  accessible)
static

Definition at line 109 of file fl_view_accessible.cc.

109  {
110  FlViewAccessible* self = FL_VIEW_ACCESSIBLE(accessible);
111  FlAccessibleNode* node = lookup_node(self, 0);
112 
113  if (node == nullptr) {
114  return 0;
115  }
116 
117  return 1;
118 }

References lookup_node(), and node.

Referenced by fl_view_accessible_class_init().

◆ fl_view_accessible_get_role()

static AtkRole fl_view_accessible_get_role ( AtkObject *  accessible)
static

Definition at line 133 of file fl_view_accessible.cc.

133  {
134  return ATK_ROLE_PANEL;
135 }

Referenced by fl_view_accessible_class_init().

◆ fl_view_accessible_handle_update_semantics_node()

void fl_view_accessible_handle_update_semantics_node ( FlViewAccessible *  self,
const FlutterSemanticsNode *  node 
)

Definition at line 192 of file fl_view_accessible.cc.

194  {
195  if (node->id == kFlutterSemanticsNodeIdBatchEnd) {
196  commit_updates(self);
197  return;
198  }
199 
200  FlAccessibleNode* atk_node = get_node(self, node);
201 
202  fl_accessible_node_set_flags(atk_node, node->flags);
203  fl_accessible_node_set_actions(atk_node, node->actions);
204  fl_accessible_node_set_name(atk_node, node->label);
206  atk_node, node->rect.left + node->transform.transX,
207  node->rect.top + node->transform.transY,
208  node->rect.right - node->rect.left, node->rect.bottom - node->rect.top);
209  fl_accessible_node_set_value(atk_node, node->value);
210  fl_accessible_node_set_text_selection(atk_node, node->text_selection_base,
211  node->text_selection_extent);
212  fl_accessible_node_set_text_direction(atk_node, node->text_direction);
213 
214  FlValue* children = fl_value_new_int32_list(node->children_in_traversal_order,
215  node->child_count);
216  g_hash_table_insert(self->pending_children, atk_node, children);
217 }

References commit_updates(), fl_accessible_node_set_actions(), fl_accessible_node_set_extents(), fl_accessible_node_set_flags(), fl_accessible_node_set_name(), fl_accessible_node_set_text_direction(), fl_accessible_node_set_text_selection(), fl_accessible_node_set_value(), fl_value_new_int32_list(), get_node(), node, and self.

Referenced by fl_accessibility_plugin_handle_update_semantics_node(), and TEST().

◆ fl_view_accessible_init()

static void fl_view_accessible_init ( FlViewAccessible *  self)
static

Definition at line 184 of file fl_view_accessible.cc.

184  {
185  self->semantics_nodes_by_id = g_hash_table_new_full(
186  g_direct_hash, g_direct_equal, nullptr, g_object_unref);
187  self->pending_children =
188  g_hash_table_new_full(g_direct_hash, g_direct_equal, nullptr,
189  reinterpret_cast<GDestroyNotify>(fl_value_unref));
190 }

References fl_value_unref().

◆ fl_view_accessible_ref_child()

static AtkObject* fl_view_accessible_ref_child ( AtkObject *  accessible,
gint  i 
)
static

Definition at line 121 of file fl_view_accessible.cc.

121  {
122  FlViewAccessible* self = FL_VIEW_ACCESSIBLE(accessible);
123  FlAccessibleNode* node = lookup_node(self, 0);
124 
125  if (i != 0 || node == nullptr) {
126  return nullptr;
127  }
128 
129  return ATK_OBJECT(g_object_ref(node));
130 }

References lookup_node(), and node.

Referenced by fl_view_accessible_class_init().

◆ fl_view_accessible_set_property()

static void fl_view_accessible_set_property ( GObject *  object,
guint  prop_id,
const GValue *  value,
GParamSpec *  pspec 
)
static

Definition at line 138 of file fl_view_accessible.cc.

141  {
142  FlViewAccessible* self = FL_VIEW_ACCESSIBLE(object);
143  switch (prop_id) {
144  case kPropEngine:
145  init_engine(self, FL_ENGINE(g_value_get_object(value)));
146  break;
147  default:
148  G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
149  break;
150  }
151 }

References kPropEngine, and value.

Referenced by fl_view_accessible_class_init().

◆ G_DEFINE_TYPE()

G_DEFINE_TYPE ( FlViewAccessible  ,
fl_view_accessible  ,
GTK_TYPE_CONTAINER_ACCESSIBLE   
)

◆ g_object_add_weak_pointer()

◆ get_engine()

static FlEngine* get_engine ( FlViewAccessible *  self)
static

Definition at line 36 of file fl_view_accessible.cc.

36  {
37  if (self->engine == nullptr) {
38  FlView* view = FL_VIEW(gtk_accessible_get_widget(GTK_ACCESSIBLE(self)));
39  init_engine(self, fl_view_get_engine(view));
40  }
41  return self->engine;
42 }

References fl_view_get_engine(), and self.

Referenced by create_node().

◆ get_node()

static FlAccessibleNode* get_node ( FlViewAccessible *  self,
const FlutterSemanticsNode *  semantics 
)
static

Definition at line 62 of file fl_view_accessible.cc.

63  {
64  FlAccessibleNode* node = lookup_node(self, semantics->id);
65  if (node != nullptr) {
66  return node;
67  }
68 
69  node = create_node(self, semantics);
70  if (semantics->id == 0) {
71  fl_accessible_node_set_parent(node, ATK_OBJECT(self), 0);
72  g_signal_emit_by_name(self, "children-changed::add", 0, node, nullptr);
73  }
74  g_hash_table_insert(self->semantics_nodes_by_id,
75  GINT_TO_POINTER(semantics->id),
76  reinterpret_cast<gpointer>(node));
77 
78  return node;
79 }

References create_node(), fl_accessible_node_set_parent(), lookup_node(), node, and self.

Referenced by fl_view_accessible_handle_update_semantics_node().

◆ lookup_node()

static FlAccessibleNode* lookup_node ( FlViewAccessible *  self,
int32_t  id 
)
static

Definition at line 55 of file fl_view_accessible.cc.

55  {
56  return FL_ACCESSIBLE_NODE(
57  g_hash_table_lookup(self->semantics_nodes_by_id, GINT_TO_POINTER(id)));
58 }

References self.

Referenced by fl_view_accessible_get_n_children(), fl_view_accessible_ref_child(), and get_node().

Variable Documentation

◆ engine

create_node
static FlAccessibleNode * create_node(FlViewAccessible *self, const FlutterSemanticsNode *semantics)
Definition: fl_view_accessible.cc:44
fl_accessible_node_set_text_selection
void fl_accessible_node_set_text_selection(FlAccessibleNode *self, gint base, gint extent)
Definition: fl_accessible_node.cc:562
fl_view_accessible_ref_child
static AtkObject * fl_view_accessible_ref_child(AtkObject *accessible, gint i)
Definition: fl_view_accessible.cc:121
fl_accessible_node_set_flags
void fl_accessible_node_set_flags(FlAccessibleNode *self, FlutterSemanticsFlag flags)
Definition: fl_accessible_node.cc:542
fl_accessible_node_set_parent
void fl_accessible_node_set_parent(FlAccessibleNode *self, AtkObject *parent, gint index)
Definition: fl_accessible_node.cc:487
fl_accessible_text_field_new
FlAccessibleNode * fl_accessible_text_field_new(FlEngine *engine, int32_t id)
Definition: fl_accessible_text_field.cc:618
FlValue
typedefG_BEGIN_DECLS struct _FlValue FlValue
Definition: fl_value.h:40
user_data
FlKeyEvent uint64_t FlKeyResponderAsyncCallback gpointer user_data
Definition: fl_key_channel_responder.cc:121
fl_accessible_node_set_children
void fl_accessible_node_set_children(FlAccessibleNode *self, GPtrArray *children)
Definition: fl_accessible_node.cc:498
fl_value_unref
G_MODULE_EXPORT void fl_value_unref(FlValue *self)
Definition: fl_value.cc:369
fl_view_accessible_dispose
static void fl_view_accessible_dispose(GObject *object)
Definition: fl_view_accessible.cc:153
fl_view_accessible_set_property
static void fl_view_accessible_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
Definition: fl_view_accessible.cc:138
kProp0
@ kProp0
Definition: fl_view_accessible.cc:23
get_node
static FlAccessibleNode * get_node(FlViewAccessible *self, const FlutterSemanticsNode *semantics)
Definition: fl_view_accessible.cc:62
fl_accessible_node_set_extents
void fl_accessible_node_set_extents(FlAccessibleNode *self, gint x, gint y, gint width, gint height)
Definition: fl_accessible_node.cc:531
kPropEngine
@ kPropEngine
Definition: fl_view_accessible.cc:23
fl_accessible_node_set_text_direction
void fl_accessible_node_set_text_direction(FlAccessibleNode *self, FlutterTextDirection direction)
Definition: fl_accessible_node.cc:571
fl_view_get_engine
G_MODULE_EXPORT FlEngine * fl_view_get_engine(FlView *self)
Definition: fl_view.cc:744
fl_accessible_node_set_value
void fl_accessible_node_set_value(FlAccessibleNode *self, const gchar *value)
Definition: fl_accessible_node.cc:556
fl_value_new_int32_list
G_MODULE_EXPORT FlValue * fl_value_new_int32_list(const int32_t *data, size_t data_length)
Definition: fl_value.cc:298
fl_accessible_node_new
FlAccessibleNode * fl_accessible_node_new(FlEngine *engine, int32_t id)
Definition: fl_accessible_node.cc:481
get_engine
static FlEngine * get_engine(FlViewAccessible *self)
Definition: fl_view_accessible.cc:36
self
GdkEvent FlView * self
Definition: fl_view.cc:100
kPropLast
@ kPropLast
Definition: fl_view_accessible.cc:23
commit_updates
static void commit_updates(FlViewAccessible *self)
Definition: fl_view_accessible.cc:81
fl_view_accessible_get_n_children
static gint fl_view_accessible_get_n_children(AtkObject *accessible)
Definition: fl_view_accessible.cc:109
engine
FlEngine * engine
Definition: fl_view_accessible.cc:29
fl_accessible_node_set_name
void fl_accessible_node_set_name(FlAccessibleNode *self, const gchar *name)
Definition: fl_accessible_node.cc:525
fl_accessible_node_set_actions
void fl_accessible_node_set_actions(FlAccessibleNode *self, FlutterSemanticsAction actions)
Definition: fl_accessible_node.cc:549
value
uint8_t value
Definition: fl_standard_message_codec.cc:41
lookup_node
static FlAccessibleNode * lookup_node(FlViewAccessible *self, int32_t id)
Definition: fl_view_accessible.cc:55
node
G_BEGIN_DECLS const FlutterSemanticsNode * node
Definition: fl_view_accessible.h:40
fl_view_accessible_get_role
static AtkRole fl_view_accessible_get_role(AtkObject *accessible)
Definition: fl_view_accessible.cc:133