| // Copyright 2015 The Cobalt Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_LAYOUT_INITIAL_CONTAINING_BLOCK_H_ |
| #define COBALT_LAYOUT_INITIAL_CONTAINING_BLOCK_H_ |
| |
| #include "cobalt/cssom/css_computed_style_data.h" |
| #include "cobalt/dom/html_element.h" |
| #include "cobalt/dom/window.h" |
| #include "cobalt/layout/block_formatting_block_container_box.h" |
| #include "cobalt/layout/used_style.h" |
| |
| namespace cobalt { |
| namespace layout { |
| |
| // The containing block in which the root element lives is a rectangle called |
| // the initial containing block. For continuous media, it has the dimensions |
| // of the viewport and is anchored at the canvas origin. |
| // https://www.w3.org/TR/CSS2/visudet.html#containing-block-details |
| |
| struct InitialContainingBlockCreationResults { |
| // Created initial containing block box results. |
| scoped_refptr<BlockLevelBlockContainerBox> box; |
| |
| // The initial containing block may have its background style propagated into |
| // it from the HTML or BODY element. This value will point to which element |
| // the value was propagated from, or it will be NULL if no style was |
| // propagated. |
| dom::HTMLElement* background_style_source; |
| }; |
| |
| // This creates the initial containing block after adding background color |
| // and image to the initial style, when needed. |
| InitialContainingBlockCreationResults CreateInitialContainingBlock( |
| const cssom::CSSComputedStyleData& default_initial_containing_block_style, |
| const scoped_refptr<dom::Document>& document, |
| UsedStyleProvider* used_style_provider, |
| LayoutStatTracker* layout_stat_tracker); |
| |
| } // namespace layout |
| } // namespace cobalt |
| |
| #endif // COBALT_LAYOUT_INITIAL_CONTAINING_BLOCK_H_ |