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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PDF_RENDERER_PDF_AX_ACTION_TARGET_H_
#define COMPONENTS_PDF_RENDERER_PDF_AX_ACTION_TARGET_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/raw_ref.h"
#include "ui/accessibility/ax_action_target.h"
#include "ui/accessibility/ax_tree_id.h"
namespace ui {
class AXNode;
}
namespace pdf {
class PdfAccessibilityTree;
// Abstracts an AXNode, representing a PDF node, for dispatching
// accessibility actions.
class PdfAXActionTarget : public ui::AXActionTarget {
public:
static const PdfAXActionTarget* FromAXActionTarget(
const ui::AXActionTarget* ax_action_target);
PdfAXActionTarget(const ui::AXNode& plugin_node, PdfAccessibilityTree* tree);
~PdfAXActionTarget() override;
const ui::AXNode& AXNode() const { return *target_plugin_node_; }
protected:
// AXActionTarget overrides.
Type GetType() const override;
bool PerformAction(const ui::AXActionData& action_data) const override;
gfx::Rect GetRelativeBounds() const override;
gfx::Point GetScrollOffset() const override;
gfx::Point MinimumScrollOffset() const override;
gfx::Point MaximumScrollOffset() const override;
void SetScrollOffset(const gfx::Point& point) const override;
bool SetSelection(const ui::AXActionTarget* anchor_object,
int anchor_offset,
const ui::AXActionTarget* focus_object,
int focus_offset) const override;
bool ScrollToMakeVisible() const override;
bool ScrollToMakeVisibleWithSubFocus(
const gfx::Rect& rect,
ax::mojom::ScrollAlignment horizontal_scroll_alignment,
ax::mojom::ScrollAlignment vertical_scroll_alignment,
ax::mojom::ScrollBehavior scroll_behavior) const override;
private:
bool Click() const;
bool ShowContextMenu() const;
bool ScrollToGlobalPoint(const gfx::Point& point) const;
bool StitchChildTree(const ui::AXTreeID& child_tree_id) const;
const raw_ref<const ui::AXNode> target_plugin_node_;
raw_ptr<PdfAccessibilityTree> pdf_accessibility_tree_source_;
};
} // namespace pdf
#endif // COMPONENTS_PDF_RENDERER_PDF_AX_ACTION_TARGET_H_
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