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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.
#import "ui/accessibility/platform/ax_platform_node_ios.h"
#import "base/strings/sys_string_conversions.h"
#import "ui/accessibility/platform/ax_platform_node_ui_kit_element.h"
namespace ui {
// static
AXPlatformNode::Pointer AXPlatformNode::Create(
AXPlatformNodeDelegate& delegate) {
AXPlatformNode* node = new AXPlatformNodeIOS();
node->Init(delegate);
return Pointer(node);
}
// static
AXPlatformNode* AXPlatformNode::FromNativeViewAccessible(
gfx::NativeViewAccessible accessible) {
if (AXPlatformNodeUIKitElement* node_ui_kit_element =
[AXPlatformNodeUIKitElement
elementFromNativeViewAccessible:accessible]) {
return node_ui_kit_element.node;
}
return nil;
}
struct AXPlatformNodeIOS::ObjCStorage {
AXPlatformNodeUIKitElement* __strong native_node;
};
AXPlatformNodeIOS::AXPlatformNodeIOS()
: objc_storage_(std::make_unique<ObjCStorage>()) {}
AXPlatformNodeIOS::~AXPlatformNodeIOS() = default;
void AXPlatformNodeIOS::SetIOSDelegate(
AXPlatformNodeIOSDelegate* ios_delegate) {
ios_delegate_ = ios_delegate;
}
AXPlatformNodeIOSDelegate* AXPlatformNodeIOS::GetIOSDelegate() const {
return ios_delegate_.get();
}
void AXPlatformNodeIOS::Init(AXPlatformNodeDelegate& delegate) {
AXPlatformNodeBase::Init(delegate);
CreateNativeWrapper();
}
void AXPlatformNodeIOS::Destroy() {
if (objc_storage_->native_node) {
[objc_storage_->native_node detach];
objc_storage_->native_node = nil;
}
ios_delegate_ = nullptr;
AXPlatformNodeBase::Destroy();
}
gfx::NativeViewAccessible AXPlatformNodeIOS::GetNativeViewAccessible() {
if (!objc_storage_->native_node) {
CreateNativeWrapper();
}
return gfx::NativeViewAccessible(objc_storage_->native_node);
}
void AXPlatformNodeIOS::CreateNativeWrapper() {
AXPlatformNodeUIKitElement* node_ui_kit_element =
[[AXPlatformNodeUIKitElement alloc] initWithPlatformNode:this];
objc_storage_->native_node = node_ui_kit_element;
}
} // namespace ui
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