| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "third_party/blink/renderer/core/css/pending_sheet_type.h" |
| |
| #include "third_party/blink/renderer/core/dom/document.h" |
| #include "third_party/blink/renderer/core/dom/element.h" |
| #include "third_party/blink/renderer/core/html/blocking_attribute.h" |
| #include "third_party/blink/renderer/core/html/html_element.h" |
| #include "third_party/blink/renderer/platform/runtime_enabled_features.h" |
| |
| namespace blink { |
| |
| std::pair<PendingSheetType, RenderBlockingBehavior> |
| ComputePendingSheetTypeAndRenderBlockingBehavior(Element& sheet_owner, |
| bool is_critical_sheet, |
| bool is_created_by_parser) { |
| if (!is_critical_sheet) { |
| return std::make_pair(PendingSheetType::kNonBlocking, |
| RenderBlockingBehavior::kNonBlocking); |
| } |
| if (is_created_by_parser) { |
| bool is_in_body = |
| sheet_owner.IsDescendantOf(sheet_owner.GetDocument().body()); |
| return std::make_pair(PendingSheetType::kBlocking, |
| is_in_body |
| ? RenderBlockingBehavior::kInBodyParserBlocking |
| : RenderBlockingBehavior::kBlocking); |
| } |
| bool potentially_render_blocking = |
| IsA<HTMLElement>(sheet_owner) && |
| To<HTMLElement>(sheet_owner).IsPotentiallyRenderBlocking(); |
| return potentially_render_blocking |
| ? std::make_pair(PendingSheetType::kDynamicRenderBlocking, |
| RenderBlockingBehavior::kBlocking) |
| : std::make_pair(PendingSheetType::kNonBlocking, |
| RenderBlockingBehavior::kNonBlockingDynamic); |
| } |
| |
| } // namespace blink |
