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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_ACCESSIBILITY_PLATFORM_FUCHSIA_BROWSER_ACCESSIBILITY_MANAGER_FUCHSIA_H_
#define UI_ACCESSIBILITY_PLATFORM_FUCHSIA_BROWSER_ACCESSIBILITY_MANAGER_FUCHSIA_H_
#include <lib/inspect/cpp/vmo/types.h>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "ui/accessibility/ax_event_generator.h"
#include "ui/accessibility/ax_node.h"
#include "ui/accessibility/platform/browser_accessibility_manager.h"
#include "ui/accessibility/platform/fuchsia/accessibility_bridge_fuchsia.h"
namespace ui {
class AXPlatformTreeManagerDelegate;
}
namespace ui {
class BrowserAccessibilityFuchsia;
// Manages a tree of BrowserAccessibilityFuchsia objects.
class COMPONENT_EXPORT(AX_PLATFORM) BrowserAccessibilityManagerFuchsia
: public BrowserAccessibilityManager {
public:
BrowserAccessibilityManagerFuchsia(const AXTreeUpdate& initial_tree,
AXNodeIdDelegate& node_id_delegate,
AXPlatformTreeManagerDelegate* delegate);
~BrowserAccessibilityManagerFuchsia() override;
BrowserAccessibilityManagerFuchsia(
const BrowserAccessibilityManagerFuchsia&) = delete;
BrowserAccessibilityManagerFuchsia& operator=(
const BrowserAccessibilityManagerFuchsia&) = delete;
static AXTreeUpdate GetEmptyDocument();
// AXTreeManager override.
void FireFocusEvent(AXNode* node) override;
// BrowserAccessibilityManager overrides.
void FireBlinkEvent(ax::mojom::Event event_type,
BrowserAccessibility* node,
int action_request_id) override;
void FireGeneratedEvent(AXEventGenerator::Event event_type,
const AXNode* node) override;
void UpdateDeviceScaleFactor() override;
// Sends hit test result to fuchsia.
void OnHitTestResult(int action_request_id, BrowserAccessibility* node);
// Returns the accessibility bridge instance for this manager's native window.
AccessibilityBridgeFuchsia* GetAccessibilityBridge() const;
// Test-only method to set the return value of GetAccessibilityBridge().
static void SetAccessibilityBridgeForTest(
AccessibilityBridgeFuchsia* accessibility_bridge_for_test);
private:
// Node to hold this object fuchsia inspect data.
inspect::Node inspect_node_;
// Node to output a dump of this object's AXTree.
inspect::LazyNode tree_dump_node_;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_PLATFORM_FUCHSIA_BROWSER_ACCESSIBILITY_MANAGER_FUCHSIA_H_
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