| /* |
| * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "third_party/blink/renderer/modules/accessibility/ax_progress_indicator.h" |
| |
| #include "third_party/blink/renderer/core/aom/accessible_node.h" |
| #include "third_party/blink/renderer/core/html/html_progress_element.h" |
| #include "third_party/blink/renderer/core/layout/layout_progress.h" |
| #include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h" |
| #include "third_party/blink/renderer/platform/wtf/math_extras.h" |
| |
| namespace blink { |
| |
| AXProgressIndicator::AXProgressIndicator(LayoutProgress* layout_object, |
| AXObjectCacheImpl& ax_object_cache) |
| : AXLayoutObject(layout_object, ax_object_cache) {} |
| |
| AXProgressIndicator* AXProgressIndicator::Create( |
| LayoutProgress* layout_object, |
| AXObjectCacheImpl& ax_object_cache) { |
| return MakeGarbageCollected<AXProgressIndicator>(layout_object, |
| ax_object_cache); |
| } |
| |
| ax::mojom::Role AXProgressIndicator::DetermineAccessibilityRole() { |
| if ((aria_role_ = DetermineAriaRoleAttribute()) != ax::mojom::Role::kUnknown) |
| return aria_role_; |
| return ax::mojom::Role::kProgressIndicator; |
| } |
| |
| bool AXProgressIndicator::ComputeAccessibilityIsIgnored( |
| IgnoredReasons* ignored_reasons) const { |
| return AccessibilityIsIgnoredByDefault(ignored_reasons); |
| } |
| |
| bool AXProgressIndicator::ValueForRange(float* out_value) const { |
| float value_now; |
| if (HasAOMPropertyOrARIAAttribute(AOMFloatProperty::kValueNow, value_now)) { |
| *out_value = value_now; |
| return true; |
| } |
| |
| if (GetProgressElement()->position() >= 0) { |
| *out_value = clampTo<float>(GetProgressElement()->value()); |
| return true; |
| } |
| // Indeterminate progress bar has no value. |
| return false; |
| } |
| |
| bool AXProgressIndicator::MaxValueForRange(float* out_value) const { |
| float value_max; |
| if (HasAOMPropertyOrARIAAttribute(AOMFloatProperty::kValueMax, value_max)) { |
| *out_value = value_max; |
| return true; |
| } |
| |
| *out_value = clampTo<float>(GetProgressElement()->max()); |
| return true; |
| } |
| |
| bool AXProgressIndicator::MinValueForRange(float* out_value) const { |
| float value_min; |
| if (HasAOMPropertyOrARIAAttribute(AOMFloatProperty::kValueMin, value_min)) { |
| *out_value = value_min; |
| return true; |
| } |
| |
| *out_value = 0.0f; |
| return true; |
| } |
| |
| HTMLProgressElement* AXProgressIndicator::GetProgressElement() const { |
| return ToLayoutProgress(layout_object_)->ProgressElement(); |
| } |
| |
| } // namespace blink |