| /* |
| * Copyright 2015 Google Inc. 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_INLINE_LEVEL_REPLACED_BOX_H_ |
| #define COBALT_LAYOUT_INLINE_LEVEL_REPLACED_BOX_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/optional.h" |
| #include "cobalt/cssom/css_declared_style_data.h" |
| #include "cobalt/cssom/css_transition_set.h" |
| #include "cobalt/layout/box.h" |
| #include "cobalt/layout/paragraph.h" |
| #include "cobalt/layout/replaced_box.h" |
| |
| namespace cobalt { |
| namespace layout { |
| |
| class UsedStyleProvider; |
| |
| class InlineLevelReplacedBox : public ReplacedBox { |
| public: |
| InlineLevelReplacedBox( |
| const scoped_refptr<cssom::CSSComputedStyleDeclaration>& |
| css_computed_style_declaration, |
| const ReplaceImageCB& replace_image_cb, |
| const scoped_refptr<Paragraph>& paragraph, int32 text_position, |
| const base::optional<LayoutUnit>& maybe_intrinsic_width, |
| const base::optional<LayoutUnit>& maybe_intrinsic_height, |
| const base::optional<float>& maybe_intrinsic_ratio, |
| UsedStyleProvider* used_style_provider, |
| LayoutStatTracker* layout_stat_tracker); |
| |
| // From |Box|. |
| Level GetLevel() const OVERRIDE; |
| |
| bool DoesFulfillEllipsisPlacementRequirement() const OVERRIDE; |
| void DoPreEllipsisPlacementProcessing() OVERRIDE; |
| void DoPostEllipsisPlacementProcessing() OVERRIDE; |
| bool IsHiddenByEllipsis() const OVERRIDE; |
| |
| protected: |
| // From |Box|. |
| #ifdef COBALT_BOX_DUMP_ENABLED |
| void DumpClassName(std::ostream* stream) const OVERRIDE; |
| #endif // COBALT_BOX_DUMP_ENABLED |
| |
| // From |ReplacedBox|. |
| void UpdateHorizontalMargins( |
| LayoutUnit containing_block_width, LayoutUnit border_box_width, |
| const base::optional<LayoutUnit>& maybe_margin_left, |
| const base::optional<LayoutUnit>& maybe_margin_right) OVERRIDE; |
| |
| private: |
| // From |Box|. |
| void DoPlaceEllipsisOrProcessPlacedEllipsis( |
| BaseDirection base_direction, LayoutUnit desired_offset, |
| bool* is_placement_requirement_met, bool* is_placed, |
| LayoutUnit* placed_offset) OVERRIDE; |
| |
| // This flag indicates that the box is fully hidden by the ellipsis and it, |
| // along with its contents will not be visible. |
| // "Implementations must hide characters and atomic inline-level elements at |
| // the applicable edge(s) of the line as necessary to fit the ellipsis." |
| // https://www.w3.org/TR/css3-ui/#propdef-text-overflow |
| bool is_hidden_by_ellipsis_; |
| // Tracking of the previous value of |is_hidden_by_ellipsis_|, which allows |
| // for determination of whether or not the value changed during ellipsis |
| // placement. When this occurs, the cached render tree nodes of this box and |
| // its ancestors are invalidated. |
| bool was_hidden_by_ellipsis_; |
| }; |
| |
| } // namespace layout |
| } // namespace cobalt |
| |
| #endif // COBALT_LAYOUT_INLINE_LEVEL_REPLACED_BOX_H_ |