ui::AXTreeManagerMap Class Reference

#include <ax_tree_manager_map.h>

Public Member Functions
	AXTreeManagerMap ()
	~AXTreeManagerMap ()
void	AddTreeManager (AXTreeID tree_id, AXTreeManager *manager)
void	RemoveTreeManager (AXTreeID tree_id)
AXTreeManager *	GetManager (AXTreeID tree_id)
AXTreeManager *	GetManagerForChildTree (const AXNode &parent_node)

Static Public Member Functions
static AXTreeManagerMap &	GetInstance ()

Detailed Description

Definition at line 20 of file ax_tree_manager_map.h.

Constructor & Destructor Documentation

AXTreeManagerMap()

ui::AXTreeManagerMap::AXTreeManagerMap

(

)

Definition at line 13 of file ax_tree_manager_map.cc.

{}

~AXTreeManagerMap()

ui::AXTreeManagerMap::~AXTreeManagerMap

(

)

Definition at line 15 of file ax_tree_manager_map.cc.

{}

Member Function Documentation

AddTreeManager()

void ui::AXTreeManagerMap::AddTreeManager	(	AXTreeID	tree_id,
		AXTreeManager *	manager
	)

Definition at line 22 of file ax_tree_manager_map.cc.

                                                              {
  if (tree_id != AXTreeIDUnknown())
    map_[tree_id] = manager;
}

References ui::AXTreeIDUnknown().

Referenced by flutter::AccessibilityBridge::AccessibilityBridge(), ui::TestAXTreeManager::SetTree(), and ui::TestAXTreeManager::TestAXTreeManager().

GetInstance()

AXTreeManagerMap & ui::AXTreeManagerMap::GetInstance ( )

static

Definition at line 17 of file ax_tree_manager_map.cc.

                                                {
  static base::NoDestructor<AXTreeManagerMap> instance;
  return *instance;
}

References instance.

Referenced by flutter::AccessibilityBridge::AccessibilityBridge(), ui::AXNodePosition::AnchorChild(), ui::AXNodePosition::AnchorChildCount(), ui::TestAXTreeManager::DestroyTree(), flutter::FlutterPlatformNodeDelegate::GetFromNodeID(), flutter::FlutterPlatformNodeDelegate::GetFromTreeIDAndNodeID(), GetManagerForChildTree(), ui::AXNodePosition::GetNodeInTree(), ui::AXNode::GetParentCrossingTreeBoundary(), ui::TestAXTreeManager::SetTree(), flutter::testing::TEST(), ui::TestAXTreeManager::TestAXTreeManager(), and ui::TestAXTreeManager::~TestAXTreeManager().

GetManager()

AXTreeManager * ui::AXTreeManagerMap::GetManager

(

AXTreeID

tree_id

)

Definition at line 33 of file ax_tree_manager_map.cc.

                                                            {
  if (tree_id == AXTreeIDUnknown() || !base::Contains(map_, tree_id))
    return nullptr;
 
  return map_.at(tree_id);
}

References ui::AXTreeIDUnknown(), and base::Contains().

Referenced by flutter::FlutterPlatformNodeDelegate::GetFromNodeID(), flutter::FlutterPlatformNodeDelegate::GetFromTreeIDAndNodeID(), GetManagerForChildTree(), ui::AXNodePosition::GetNodeInTree(), ui::AXNode::GetParentCrossingTreeBoundary(), and flutter::testing::TEST().

GetManagerForChildTree()

AXTreeManager * ui::AXTreeManagerMap::GetManagerForChildTree

(

const AXNode &

parent_node

)

Definition at line 40 of file ax_tree_manager_map.cc.

                               {
  if (!parent_node.data().HasStringAttribute(
          ax::mojom::StringAttribute::kChildTreeId)) {
    return nullptr;
  }
 
  AXTreeID child_tree_id =
      AXTreeID::FromString(parent_node.data().GetStringAttribute(
          ax::mojom::StringAttribute::kChildTreeId));
  AXTreeManager* child_tree_manager =
      AXTreeManagerMap::GetInstance().GetManager(child_tree_id);
 
  // Some platforms do not use AXTreeManagers, so child trees don't exist in
  // the browser process.
  if (!child_tree_manager)
    return nullptr;
 
  BASE_DCHECK(child_tree_manager->GetParentNodeFromParentTreeAsAXNode()->id() ==
              parent_node.id());
 
  return child_tree_manager;
}

References BASE_DCHECK, ui::AXNode::data(), ui::AXTreeID::FromString(), GetInstance(), GetManager(), ui::AXTreeManager::GetParentNodeFromParentTreeAsAXNode(), ui::AXNodeData::GetStringAttribute(), ui::AXNodeData::HasStringAttribute(), ui::AXNode::id(), and ax::mojom::kChildTreeId.

Referenced by ui::AXNodePosition::AnchorChild(), and ui::AXNodePosition::AnchorChildCount().

RemoveTreeManager()

void ui::AXTreeManagerMap::RemoveTreeManager

(

AXTreeID

tree_id

)

Definition at line 28 of file ax_tree_manager_map.cc.

                                                         {
  if (tree_id != AXTreeIDUnknown())
    map_.erase(tree_id);
}

References ui::AXTreeIDUnknown().

Referenced by ui::TestAXTreeManager::DestroyTree(), ui::TestAXTreeManager::SetTree(), and ui::TestAXTreeManager::~TestAXTreeManager().

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The documentation for this class was generated from the following files:

• third_party/accessibility/ax/ax_tree_manager_map.h
• third_party/accessibility/ax/ax_tree_manager_map.cc