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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/mojom/ax_action_data_mojom_traits.h"
#include "ui/accessibility/ax_node_id_forward.h"
#include "ui/accessibility/mojom/ax_tree_id_mojom_traits.h"
#include "ui/gfx/geometry/mojom/geometry_mojom_traits.h"
namespace mojo {
// static
bool StructTraits<ax::mojom::AXActionDataDataView, ui::AXActionData>::Read(
ax::mojom::AXActionDataDataView data,
ui::AXActionData* out) {
if (!data.ReadAction(&out->action)) {
return false;
}
if (out->action == ax::mojom::Action::kNone) {
// This might happen with version skew: an action that doesn't
// have a mapping is converted to the default value, kNone. In this case
// we cannot process the action properly.
return false;
}
if (!data.ReadTargetTreeId(&out->target_tree_id)) {
return false;
}
if (!data.ReadSourceExtensionId(&out->source_extension_id)) {
return false;
}
if (data.target_node_id() != ui::kInvalidAXNodeID &&
data.target_role() != ax::mojom::Role::kUnknown) {
// The target could either be found by ID, or by role. Having both set makes
// no sense.
return false;
}
out->target_node_id = data.target_node_id();
out->target_role = data.target_role();
out->request_id = data.request_id();
out->flags = data.flags();
out->anchor_node_id = data.anchor_node_id();
out->anchor_offset = data.anchor_offset();
out->focus_node_id = data.focus_node_id();
out->focus_offset = data.focus_offset();
out->custom_action_id = data.custom_action_id();
out->horizontal_scroll_alignment = data.horizontal_scroll_alignment();
out->vertical_scroll_alignment = data.vertical_scroll_alignment();
out->scroll_behavior = data.scroll_behavior();
std::optional<ui::AXTreeID> child_tree_id;
if (!data.ReadChildTreeId(&child_tree_id)) {
return false;
} else {
if (child_tree_id) {
out->child_tree_id = *child_tree_id;
} else {
out->child_tree_id = ui::AXTreeIDUnknown();
}
}
return data.ReadTargetRect(&out->target_rect) &&
data.ReadTargetPoint(&out->target_point) &&
data.ReadValue(&out->value) &&
data.ReadHitTestEventToFire(&out->hit_test_event_to_fire);
}
} // namespace mojo
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