/* * (C) 1999 Lars Knoll ([email protected]) * (C) 2000 Dirk Mueller ([email protected]) * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. * Copyright (C) 2006 Andrew Wellington ([email protected]) * Copyright (C) 2006 Graham Dennis ([email protected]) * * 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. * */ #ifdef UNSAFE_BUFFERS_BUILD // TODO(crbug.com/351564777): Remove this and convert code to safer constructs. #pragma allow_unsafe_buffers #endif #include "third_party/blink/renderer/core/layout/layout_text.h" #include <algorithm> #include "base/numerics/safe_conversions.h" #include "third_party/blink/public/platform/platform.h" #include "third_party/blink/public/platform/task_type.h" #include "third_party/blink/renderer/core/accessibility/ax_object_cache.h" #include "third_party/blink/renderer/core/content_capture/content_capture_manager.h" #include "third_party/blink/renderer/core/dom/dom_node_ids.h" #include "third_party/blink/renderer/core/dom/text.h" #include "third_party/blink/renderer/core/dom/text_diff_range.h" #include "third_party/blink/renderer/core/editing/bidi_adjustment.h" #include "third_party/blink/renderer/core/editing/editing_utilities.h" #include "third_party/blink/renderer/core/editing/ephemeral_range.h" #include "third_party/blink/renderer/core/editing/frame_selection.h" #include "third_party/blink/renderer/core/editing/inline_box_position.h" #include "third_party/blink/renderer/core/editing/iterators/text_iterator.h" #include "third_party/blink/renderer/core/editing/position_with_affinity.h" #include "third_party/blink/renderer/core/editing/text_affinity.h" #include "third_party/blink/renderer/core/frame/local_frame.h" #include "third_party/blink/renderer/core/frame/local_frame_view.h" #include "third_party/blink/renderer/core/frame/settings.h" #include "third_party/blink/renderer/core/layout/geometry/logical_rect.h" #include "third_party/blink/renderer/core/layout/geometry/writing_mode_converter.h" #include "third_party/blink/renderer/core/layout/inline/abstract_inline_text_box.h" #include "third_party/blink/renderer/core/layout/inline/fragment_item.h" #include "third_party/blink/renderer/core/layout/inline/inline_cursor.h" #include "third_party/blink/renderer/core/layout/inline/inline_item_span.h" #include "third_party/blink/renderer/core/layout/inline/inline_node.h" #include "third_party/blink/renderer/core/layout/inline/offset_mapping.h" #include "third_party/blink/renderer/core/layout/layout_block.h" #include "third_party/blink/renderer/core/layout/layout_block_flow.h" #include "third_party/blink/renderer/core/layout/layout_object_inlines.h" #include "third_party/blink/renderer/core/layout/layout_text_combine.h" #include "third_party/blink/renderer/core/layout/layout_view.h" #include "third_party/blink/renderer/core/layout/physical_box_fragment.h" #include "third_party/blink/renderer/core/layout/svg/layout_svg_inline_text.h" #include "third_party/blink/renderer/core/layout/text_autosizer.h" #include "third_party/blink/renderer/core/paint/object_paint_invalidator.h" #include "third_party/blink/renderer/platform/fonts/character_range.h" #include "third_party/blink/renderer/platform/scheduler/public/thread.h" #include "third_party/blink/renderer/platform/scheduler/public/thread_scheduler.h" #include "third_party/blink/renderer/platform/text/character.h" #include "third_party/blink/renderer/platform/text/hyphenation.h" #include "third_party/blink/renderer/platform/text/text_break_iterator.h" #include "third_party/blink/renderer/platform/wtf/size_assertions.h" #include "third_party/blink/renderer/platform/wtf/text/string_buffer.h" #include "third_party/blink/renderer/platform/wtf/text/string_builder.h" #include "third_party/blink/renderer/platform/wtf/text/text_offset_map.h" #include "ui/gfx/geometry/quad_f.h" namespace blink { namespace … // anonymous namespace LayoutText::LayoutText(Node* node, String str) : … { … } void LayoutText::Trace(Visitor* visitor) const { … } LayoutText* LayoutText::CreateEmptyAnonymous(Document& doc, const ComputedStyle* style) { … } bool LayoutText::IsWordBreak() const { … } void LayoutText::StyleWillChange(StyleDifference diff, const ComputedStyle& new_style) { … } void LayoutText::StyleDidChange(StyleDifference diff, const ComputedStyle* old_style) { … } void LayoutText::RemoveAndDestroyTextBoxes() { … } void LayoutText::WillBeDestroyed() { … } void LayoutText::DeleteTextBoxes() { … } void LayoutText::DetachAbstractInlineTextBoxes() { … } void LayoutText::ClearFirstInlineFragmentItemIndex() { … } void LayoutText::SetFirstInlineFragmentItemIndex(wtf_size_t index) { … } void LayoutText::InLayoutNGInlineFormattingContextWillChange(bool new_value) { … } Vector<LayoutText::TextBoxInfo> LayoutText::GetTextBoxInfo() const { … } bool LayoutText::HasInlineFragments() const { … } String LayoutText::OriginalText() const { … } unsigned LayoutText::OriginalTextLength() const { … } String LayoutText::PlainText() const { … } template <typename PhysicalRectCollector> void LayoutText::CollectLineBoxRects(const PhysicalRectCollector& yield, ClippingOption option) const { … } void LayoutText::AbsoluteQuads(Vector<gfx::QuadF>& quads, MapCoordinatesFlags mode) const { … } bool LayoutText::MapDOMOffsetToTextContentOffset(const OffsetMapping& mapping, unsigned* start, unsigned* end) const { … } void LayoutText::AbsoluteQuadsForRange(Vector<gfx::QuadF>& quads, unsigned start, unsigned end) const { … } gfx::RectF LayoutText::LocalBoundingBoxRectForAccessibility() const { … } PositionWithAffinity LayoutText::PositionForPoint( const PhysicalOffset& point) const { … } PhysicalRect LayoutText::LocalCaretRect( int caret_offset, LayoutUnit* extra_width_to_end_of_line) const { … } bool LayoutText::IsAllCollapsibleWhitespace() const { … } UChar32 LayoutText::FirstCharacterAfterWhitespaceCollapsing() const { … } UChar32 LayoutText::LastCharacterAfterWhitespaceCollapsing() const { … } PhysicalOffset LayoutText::FirstLineBoxTopLeft() const { … } void LayoutText::LogicalStartingPointAndHeight( LogicalOffset& logical_starting_point, LayoutUnit& logical_height) const { … } void LayoutText::SetTextWithOffset(String text, const TextDiffRange& diff) { … } void LayoutText::TransformAndSecureOriginalText() { … } static inline bool IsInlineFlowOrEmptyText(const LayoutObject* o) { … } UChar LayoutText::PreviousCharacter() const { … } void LayoutText::SetTextInternal(String text) { … } String LayoutText::TransformAndSecureText(const String& original, TextOffsetMap& offset_map) const { … } std::pair<String, TextOffsetMap> LayoutText::SecureText(const String& plain, UChar mask) const { … } void LayoutText::SetVariableLengthTransformResult( wtf_size_t original_length, const TextOffsetMap& offset_map) { … } VariableLengthTransformResult LayoutText::GetVariableLengthTransformResult() const { … } void LayoutText::ClearHasVariableLengthTransform() { … } void LayoutText::SetTextIfNeeded(String text) { … } void LayoutText::ForceSetText(String text) { … } void LayoutText::SetNeedsLayoutAndIntrinsicWidthsRecalcAndFullPaintInvalidation( LayoutInvalidationReasonForTracing reason) { … } void LayoutText::TextDidChange() { … } void LayoutText::TextDidChangeWithoutInvalidation() { … } void LayoutText::InvalidateSubtreeLayoutForFontUpdates() { … } PhysicalRect LayoutText::PhysicalLinesBoundingBox() const { … } PhysicalRect LayoutText::VisualOverflowRect() const { … } PhysicalRect LayoutText::LocalVisualRectIgnoringVisibility() const { … } PhysicalRect LayoutText::LocalSelectionVisualRect() const { … } void LayoutText::InvalidateVisualOverflow() { … } const OffsetMapping* LayoutText::GetOffsetMapping() const { … } Position LayoutText::PositionForCaretOffset(unsigned offset) const { … } std::optional<unsigned> LayoutText::CaretOffsetForPosition( const Position& position) const { … } int LayoutText::CaretMinOffset() const { … } int LayoutText::CaretMaxOffset() const { … } unsigned LayoutText::NonCollapsedCaretMaxOffset() const { … } unsigned LayoutText::ResolvedTextLength() const { … } bool LayoutText::HasNonCollapsedText() const { … } bool LayoutText::ContainsCaretOffset(int text_offset) const { … } bool LayoutText::IsBeforeNonCollapsedCharacter(unsigned text_offset) const { … } bool LayoutText::IsAfterNonCollapsedCharacter(unsigned text_offset) const { … } void LayoutText::MomentarilyRevealLastTypedCharacter( unsigned last_typed_character_offset) { … } AbstractInlineTextBox* LayoutText::FirstAbstractInlineTextBox() { … } void LayoutText::InvalidatePaint(const PaintInvalidatorContext& context) const { … } void LayoutText::InvalidateDisplayItemClients( PaintInvalidationReason reason) const { … } const DisplayItemClient* LayoutText::GetSelectionDisplayItemClient() const { … } PhysicalRect LayoutText::DebugRect() const { … } DOMNodeId LayoutText::EnsureNodeId() { … } ContentCaptureManager* LayoutText::GetOrResetContentCaptureManager() { … } void LayoutText::SetInlineItems(InlineItemsData* data, wtf_size_t begin, wtf_size_t size) { … } void LayoutText::ClearInlineItems() { … } const InlineItemSpan& LayoutText::InlineItems() const { … } #if DCHECK_IS_ON() void LayoutText::RecalcVisualOverflow() { … } #endif } // namespace blink
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