/* * Copyright (C) 2004, 2008, 2009, 2010 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "third_party/blink/renderer/core/editing/frame_selection.h" #include <stdio.h> #include <optional> #include "base/auto_reset.h" #include "third_party/blink/public/mojom/scroll/scroll_into_view_params.mojom-blink.h" #include "third_party/blink/renderer/core/accessibility/ax_object_cache.h" #include "third_party/blink/renderer/core/accessibility/blink_ax_event_intent.h" #include "third_party/blink/renderer/core/accessibility/scoped_blink_ax_event_intent.h" #include "third_party/blink/renderer/core/css/css_property_value_set.h" #include "third_party/blink/renderer/core/display_lock/display_lock_utilities.h" #include "third_party/blink/renderer/core/dom/character_data.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/dom/element_traversal.h" #include "third_party/blink/renderer/core/dom/events/event.h" #include "third_party/blink/renderer/core/dom/node_traversal.h" #include "third_party/blink/renderer/core/dom/node_with_index.h" #include "third_party/blink/renderer/core/dom/text.h" #include "third_party/blink/renderer/core/editing/caret_display_item_client.h" #include "third_party/blink/renderer/core/editing/commands/typing_command.h" #include "third_party/blink/renderer/core/editing/editing_behavior.h" #include "third_party/blink/renderer/core/editing/editing_utilities.h" #include "third_party/blink/renderer/core/editing/editor.h" #include "third_party/blink/renderer/core/editing/ephemeral_range.h" #include "third_party/blink/renderer/core/editing/frame_caret.h" #include "third_party/blink/renderer/core/editing/granularity_strategy.h" #include "third_party/blink/renderer/core/editing/ime/input_method_controller.h" #include "third_party/blink/renderer/core/editing/iterators/text_iterator.h" #include "third_party/blink/renderer/core/editing/layout_selection.h" #include "third_party/blink/renderer/core/editing/local_caret_rect.h" #include "third_party/blink/renderer/core/editing/position.h" #include "third_party/blink/renderer/core/editing/selection_controller.h" #include "third_party/blink/renderer/core/editing/selection_editor.h" #include "third_party/blink/renderer/core/editing/selection_modifier.h" #include "third_party/blink/renderer/core/editing/selection_template.h" #include "third_party/blink/renderer/core/editing/serializers/serialization.h" #include "third_party/blink/renderer/core/editing/text_affinity.h" #include "third_party/blink/renderer/core/editing/visible_position.h" #include "third_party/blink/renderer/core/editing/visible_selection.h" #include "third_party/blink/renderer/core/editing/visible_units.h" #include "third_party/blink/renderer/core/frame/local_dom_window.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/html/forms/html_input_element.h" #include "third_party/blink/renderer/core/html/forms/html_select_element.h" #include "third_party/blink/renderer/core/html/html_body_element.h" #include "third_party/blink/renderer/core/html/html_frame_element_base.h" #include "third_party/blink/renderer/core/html_names.h" #include "third_party/blink/renderer/core/input/context_menu_allowed_scope.h" #include "third_party/blink/renderer/core/input/event_handler.h" #include "third_party/blink/renderer/core/layout/geometry/box_strut.h" #include "third_party/blink/renderer/core/layout/hit_test_request.h" #include "third_party/blink/renderer/core/layout/hit_test_result.h" #include "third_party/blink/renderer/core/layout/layout_embedded_content.h" #include "third_party/blink/renderer/core/layout/layout_view.h" #include "third_party/blink/renderer/core/loader/document_loader.h" #include "third_party/blink/renderer/core/page/focus_controller.h" #include "third_party/blink/renderer/core/page/frame_tree.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/core/page/page_animator.h" #include "third_party/blink/renderer/core/page/spatial_navigation.h" #include "third_party/blink/renderer/core/paint/paint_layer.h" #include "third_party/blink/renderer/core/scroll/scroll_into_view_util.h" #include "third_party/blink/renderer/platform/bindings/exception_state.h" #include "third_party/blink/renderer/platform/graphics/graphics_context.h" #include "third_party/blink/renderer/platform/text/text_direction.h" #include "third_party/blink/renderer/platform/text/unicode_utilities.h" #include "ui/gfx/geometry/quad_f.h" #define EDIT_DEBUG … namespace blink { static inline bool ShouldAlwaysUseDirectionalSelection(LocalFrame* frame) { … } FrameSelection::FrameSelection(LocalFrame& frame) : … { … } FrameSelection::~FrameSelection() = default; const EffectPaintPropertyNode& FrameSelection::CaretEffectNode() const { … } bool FrameSelection::IsAvailable() const { … } Document& FrameSelection::GetDocument() const { … } VisibleSelection FrameSelection::ComputeVisibleSelectionInDOMTree() const { … } VisibleSelectionInFlatTree FrameSelection::ComputeVisibleSelectionInFlatTree() const { … } const SelectionInDOMTree& FrameSelection::GetSelectionInDOMTree() const { … } Element* FrameSelection::RootEditableElementOrDocumentElement() const { … } wtf_size_t FrameSelection::CharacterIndexForPoint( const gfx::Point& point) const { … } VisibleSelection FrameSelection::ComputeVisibleSelectionInDOMTreeDeprecated() const { … } void FrameSelection::MoveCaretSelection(const gfx::Point& point) { … } void FrameSelection::SetSelection(const SelectionInDOMTree& selection, const SetSelectionOptions& data) { … } void FrameSelection::SetSelectionAndEndTyping( const SelectionInDOMTree& selection) { … } static void AssertUserSelection(const SelectionInDOMTree& selection, const SetSelectionOptions& options) { … } bool FrameSelection::SetSelectionDeprecated( const SelectionInDOMTree& new_selection, const SetSelectionOptions& passed_options) { … } void FrameSelection::DidSetSelectionDeprecated( const SelectionInDOMTree& new_selection, const SetSelectionOptions& options) { … } void FrameSelection::SetSelectionForAccessibility( const SelectionInDOMTree& selection, const SetSelectionOptions& options) { … } void FrameSelection::NodeChildrenWillBeRemoved(ContainerNode& container) { … } void FrameSelection::NodeWillBeRemoved(Node& node) { … } void FrameSelection::DidChangeFocus() { … } static DispatchEventResult DispatchSelectStart( const VisibleSelection& selection) { … } // The return value of |FrameSelection::modify()| is different based on // value of |userTriggered| parameter. // When |userTriggered| is |userTriggered|, |modify()| returns false if // "selectstart" event is dispatched and canceled, otherwise returns true. // When |userTriggered| is |NotUserTrigged|, return value specifies whether // selection is modified or not. bool FrameSelection::Modify(SelectionModifyAlteration alter, SelectionModifyDirection direction, TextGranularity granularity, SetSelectionBy set_selection_by) { … } void FrameSelection::Clear() { … } bool FrameSelection::SelectionHasFocus() const { … } bool FrameSelection::IsHidden() const { … } void FrameSelection::DidAttachDocument(Document* document) { … } void FrameSelection::ContextDestroyed() { … } void FrameSelection::LayoutBlockWillBeDestroyed(const LayoutBlock& block) { … } void FrameSelection::UpdateStyleAndLayoutIfNeeded() { … } void FrameSelection::InvalidatePaint(const LayoutBlock& block, const PaintInvalidatorContext& context) { … } void FrameSelection::EnsureInvalidationOfPreviousLayoutBlock() { … } bool FrameSelection::ShouldPaintCaret(const LayoutBlock& block) const { … } bool FrameSelection::ShouldPaintCaret( const PhysicalBoxFragment& box_fragment) const { … } gfx::Rect FrameSelection::AbsoluteCaretBounds() const { … } bool FrameSelection::ComputeAbsoluteBounds(gfx::Rect& anchor, gfx::Rect& focus) const { … } void FrameSelection::PaintCaret(GraphicsContext& context, const PhysicalOffset& paint_offset) { … } bool FrameSelection::Contains(const PhysicalOffset& point) { … } // Workaround for the fact that it's hard to delete a frame. // Call this after doing user-triggered selections to make it easy to delete the // frame you entirely selected. Can't do this implicitly as part of every // setSelection call because in some contexts it might not be good for the focus // to move to another frame. So instead we call it from places where we are // selecting with the mouse or the keyboard after setting the selection. void FrameSelection::SelectFrameElementInParentIfFullySelected() { … } // Returns a shadow tree node for legacy shadow trees, a child of the // ShadowRoot node for new shadow trees, or 0 for non-shadow trees. static Node* NonBoundaryShadowTreeRootNode(const Position& position) { … } void FrameSelection::SelectAll(SetSelectionBy set_selection_by, bool canonicalize_selection) { … } void FrameSelection::SelectAll() { … } // Implementation of |SVGTextControlElement::selectSubString()| void FrameSelection::SelectSubString(const Element& element, int offset, int length) { … } void FrameSelection::NotifyAccessibilityForSelectionChange() { … } void FrameSelection::NotifyCompositorForSelectionChange() { … } void FrameSelection::NotifyEventHandlerForSelectionChange() { … } void FrameSelection::NotifyDisplayLockForSelectionChange( Document& document, const SelectionInDOMTree& old_selection, const SelectionInDOMTree& new_selection) { … } void FrameSelection::FocusedOrActiveStateChanged() { … } void FrameSelection::PageActivationChanged() { … } void FrameSelection::SetFrameIsFocused(bool flag) { … } bool FrameSelection::FrameIsFocusedAndActive() const { … } void FrameSelection::CommitAppearanceIfNeeded() { … } void FrameSelection::DidLayout() { … } void FrameSelection::UpdateAppearance() { … } void FrameSelection::NotifyTextControlOfSelectionChange( SetSelectionBy set_selection_by) { … } // Helper function that tells whether a particular node is an element that has // an entire LocalFrame and LocalFrameView, a <frame>, <iframe>, or <object>. static bool IsFrameElement(const Node* n) { … } void FrameSelection::SetFocusedNodeIfNeeded() { … } static EphemeralRangeInFlatTree ComputeRangeForSerialization( const SelectionInDOMTree& selection_in_dom_tree) { … } static String ExtractSelectedText(const FrameSelection& selection, TextIteratorBehavior behavior) { … } String FrameSelection::SelectedHTMLForClipboard() const { … } String FrameSelection::SelectedText( const TextIteratorBehavior& behavior) const { … } String FrameSelection::SelectedText() const { … } String FrameSelection::SelectedTextForClipboard() const { … } PhysicalRect FrameSelection::AbsoluteUnclippedBounds() const { … } gfx::Rect FrameSelection::ComputeRectToScroll( RevealExtentOption reveal_extent_option) { … } // TODO(editing-dev): This should be done in FlatTree world. void FrameSelection::RevealSelection( const mojom::blink::ScrollAlignment& alignment, RevealExtentOption reveal_extent_option) { … } void FrameSelection::SetSelectionFromNone() { … } #if DCHECK_IS_ON() void FrameSelection::ShowTreeForThis() const { … } #endif void FrameSelection::Trace(Visitor* visitor) const { … } void FrameSelection::ScheduleVisualUpdate() const { … } void FrameSelection::ScheduleVisualUpdateForVisualOverflowIfNeeded() const { … } bool FrameSelection::SelectWordAroundCaret() { … } bool FrameSelection::SelectAroundCaret( TextGranularity text_granularity, HandleVisibility handle_visibility, ContextMenuVisibility context_menu_visibility) { … } EphemeralRange FrameSelection::GetWordSelectionRangeAroundCaret() const { … } EphemeralRange FrameSelection::GetSelectionRangeAroundCaretForTesting( TextGranularity text_granularity) const { … } GranularityStrategy* FrameSelection::GetGranularityStrategy() { … } void FrameSelection::MoveRangeSelectionExtent( const gfx::Point& contents_point) { … } void FrameSelection::MoveRangeSelection(const gfx::Point& base_point, const gfx::Point& extent_point, TextGranularity granularity) { … } void FrameSelection::MoveRangeSelectionInternal( const SelectionInDOMTree& new_selection, TextGranularity granularity) { … } void FrameSelection::SetCaretEnabled(bool enabled) { … } void FrameSelection::SetCaretBlinkingSuspended(bool suspended) { … } bool FrameSelection::IsCaretBlinkingSuspended() const { … } void FrameSelection::CacheRangeOfDocument(Range* range) { … } Range* FrameSelection::DocumentCachedRange() const { … } void FrameSelection::ClearDocumentCachedRange() { … } LayoutSelectionStatus FrameSelection::ComputeLayoutSelectionStatus( const InlineCursor& cursor) const { … } SelectionState FrameSelection::ComputePaintingSelectionStateForCursor( const InlineCursorPosition& position) const { … } bool FrameSelection::IsDirectional() const { … } void FrameSelection::MarkCacheDirty() { … } EphemeralRange FrameSelection::GetSelectionRangeAroundCaret( TextGranularity text_granularity) const { … } EphemeralRange FrameSelection::GetSelectionRangeAroundPosition( TextGranularity text_granularity, Position position, WordSide word_side) const { … } } // namespace blink #if DCHECK_IS_ON() void ShowTree(const blink::FrameSelection& sel) { … } void ShowTree(const blink::FrameSelection* sel) { … } #endif
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