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// Copyright 2024 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_AX_PLATFORM_NODE_IOS_H_
#define UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_IOS_H_
#include <memory>
#include "base/component_export.h"
#include "ui/accessibility/platform/ax_platform_node_base.h"
namespace ui {
// TODO(crbug.com/336611337): This interface exists since the long-term
// plan is to migrate functionality from //content/browser/accessibility to
// //ui/accessibility, but not all functionality needed to make this happen is
// directly available through existing //ui/accessibility classes. Once the
// functionality here is available elsewhere, this class can be removed.
class AXPlatformNodeIOSDelegate {
public:
virtual float GetDeviceScaleFactor() const = 0;
};
class COMPONENT_EXPORT(AX_PLATFORM) AXPlatformNodeIOS
: public AXPlatformNodeBase {
public:
AXPlatformNodeIOS(const AXPlatformNodeIOS&) = delete;
AXPlatformNodeIOS& operator=(const AXPlatformNodeIOS&) = delete;
void SetIOSDelegate(AXPlatformNodeIOSDelegate* ios_delegate);
AXPlatformNodeIOSDelegate* GetIOSDelegate() const;
// AXPlatformNode.
void Init(AXPlatformNodeDelegate& delegate) override;
void Destroy() override;
gfx::NativeViewAccessible GetNativeViewAccessible() override;
protected:
AXPlatformNodeIOS();
~AXPlatformNodeIOS() override;
private:
friend AXPlatformNode::Pointer AXPlatformNode::Create(
AXPlatformNodeDelegate& delegate);
// Creates a new wrapper node.
void CreateNativeWrapper();
// An opaque pointer into the UIKit wrapper object for this node.
struct ObjCStorage;
std::unique_ptr<ObjCStorage> objc_storage_;
// This node's iOS delegate.
raw_ptr<AXPlatformNodeIOSDelegate> ios_delegate_;
};
} // namespace ui
#endif // UI_ACCESSIBILITY_PLATFORM_AX_PLATFORM_NODE_IOS_H_
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