ui::TestAXNodeHelper Class Reference

#include <test_ax_node_helper.h>

Public Member Functions
	~TestAXNodeHelper ()
gfx::Rect	GetBoundsRect (const AXCoordinateSystem coordinate_system, const AXClippingBehavior clipping_behavior, AXOffscreenResult *offscreen_result) const
gfx::Rect	GetInnerTextRangeBoundsRect (const int start_offset, const int end_offset, const AXCoordinateSystem coordinate_system, const AXClippingBehavior clipping_behavior, AXOffscreenResult *offscreen_result) const

Static Public Member Functions
static TestAXNodeHelper *	GetOrCreate (AXTree *tree, AXNode *node)

Detailed Description

Definition at line 18 of file test_ax_node_helper.h.

Constructor & Destructor Documentation

~TestAXNodeHelper()

ui::TestAXNodeHelper::~TestAXNodeHelper ( )

default

Member Function Documentation

GetBoundsRect()

gfx::Rect ui::TestAXNodeHelper::GetBoundsRect	(	const AXCoordinateSystem	coordinate_system,
		const AXClippingBehavior	clipping_behavior,
		AXOffscreenResult *	offscreen_result
	)		const

Definition at line 62 of file test_ax_node_helper.cc.

                                               {
  switch (coordinate_system) {
    case AXCoordinateSystem::kScreenPhysicalPixels:
      // For unit testing purposes, assume a device scale factor of 1 and fall
      // through.
    case AXCoordinateSystem::kScreenDIPs: {
      // We could optionally add clipping here if ever needed.
      gfx::RectF bounds = GetLocation();
 
      // For test behavior only, for bounds that are offscreen we currently do
      // not apply clipping to the bounds but we still return the offscreen
      // status.
      if (offscreen_result) {
        *offscreen_result = DetermineOffscreenResult(bounds);
      }
 
      return gfx::ToEnclosingRect(bounds);
    }
    case AXCoordinateSystem::kRootFrame:
    case AXCoordinateSystem::kFrame:
      BASE_UNREACHABLE();
      return gfx::Rect();
  }
}

GetInnerTextRangeBoundsRect()

gfx::Rect ui::TestAXNodeHelper::GetInnerTextRangeBoundsRect	(	const int	start_offset,
		const int	end_offset,
		const AXCoordinateSystem	coordinate_system,
		const AXClippingBehavior	clipping_behavior,
		AXOffscreenResult *	offscreen_result
	)		const

Definition at line 90 of file test_ax_node_helper.cc.

                                               {
  switch (coordinate_system) {
    case AXCoordinateSystem::kScreenPhysicalPixels:
    // For unit testing purposes, assume a device scale factor of 1 and fall
    // through.
    case AXCoordinateSystem::kScreenDIPs: {
      gfx::RectF bounds = GetLocation();
      // This implementation currently only deals with text node that has role
      // kInlineTextBox and kStaticText.
      // For test purposes, assume node with kStaticText always has a single
      // child with role kInlineTextBox.
      if (GetData().role == ax::mojom::Role::kInlineTextBox) {
        bounds = GetInlineTextRect(start_offset, end_offset);
      } else if (GetData().role == ax::mojom::Role::kStaticText &&
                 InternalChildCount() > 0) {
        TestAXNodeHelper* child = InternalGetChild(0);
        if (child != nullptr &&
            child->GetData().role == ax::mojom::Role::kInlineTextBox) {
          bounds = child->GetInlineTextRect(start_offset, end_offset);
        }
      }
 
      // For test behavior only, for bounds that are offscreen we currently do
      // not apply clipping to the bounds but we still return the offscreen
      // status.
      if (offscreen_result) {
        *offscreen_result = DetermineOffscreenResult(bounds);
      }
 
      return gfx::ToEnclosingRect(bounds);
    }
    case AXCoordinateSystem::kRootFrame:
    case AXCoordinateSystem::kFrame:
      BASE_UNREACHABLE();
      return gfx::Rect();
  }
}

GetOrCreate()

TestAXNodeHelper * ui::TestAXNodeHelper::GetOrCreate ( AXTree *  tree, AXNode *  node  )

static

Definition at line 43 of file test_ax_node_helper.cc.

                                                                          {
  if (!tree || !node)
    return nullptr;
 
  if (!tree->HasObserver(&g_ax_tree_observer))
    tree->AddObserver(&g_ax_tree_observer);
  auto iter = g_node_id_to_helper_map.find(node->id());
  if (iter != g_node_id_to_helper_map.end())
    return iter->second;
  TestAXNodeHelper* helper = new TestAXNodeHelper(tree, node);
  g_node_id_to_helper_map[node->id()] = helper;
  return helper;
}

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

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