/* * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights * reserved. * Copyright (C) 2006 Alexey Proskuryakov ([email protected]) * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies) * Copyright (C) 2015 Google 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/selection_controller.h" #include "base/auto_reset.h" #include "third_party/blink/public/common/input/web_menu_source_type.h" #include "third_party/blink/public/platform/web_input_event_result.h" #include "third_party/blink/renderer/core/dom/document.h" #include "third_party/blink/renderer/core/dom/events/event.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/editing/bidi_adjustment.h" #include "third_party/blink/renderer/core/editing/editing_behavior.h" #include "third_party/blink/renderer/core/editing/editing_boundary.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_selection.h" #include "third_party/blink/renderer/core/editing/iterators/text_iterator.h" #include "third_party/blink/renderer/core/editing/markers/document_marker_controller.h" #include "third_party/blink/renderer/core/editing/selection_template.h" #include "third_party/blink/renderer/core/editing/set_selection_options.h" #include "third_party/blink/renderer/core/editing/spellcheck/spell_checker.h" #include "third_party/blink/renderer/core/editing/suggestion/text_suggestion_controller.h" #include "third_party/blink/renderer/core/editing/visible_position.h" #include "third_party/blink/renderer/core/fragment_directive/text_fragment_handler.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_client.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_names.h" #include "third_party/blink/renderer/core/input/event_handler.h" #include "third_party/blink/renderer/core/layout/layout_view.h" #include "third_party/blink/renderer/core/page/focus_controller.h" #include "third_party/blink/renderer/core/page/page.h" #include "third_party/blink/renderer/core/paint/paint_layer.h" #include "third_party/blink/renderer/platform/runtime_enabled_features.h" #include "ui/gfx/geometry/point_conversions.h" namespace blink { SelectionController::SelectionController(LocalFrame& frame) : … { … } void SelectionController::Trace(Visitor* visitor) const { … } namespace { DispatchEventResult DispatchSelectStart(Node* node) { … } SelectionInFlatTree ExpandSelectionToRespectUserSelectAll( Node* target_node, const SelectionInFlatTree& selection) { … } static int TextDistance(const PositionInFlatTree& start, const PositionInFlatTree& end) { … } bool CanMouseDownStartSelect(Node* node) { … } PositionInFlatTreeWithAffinity PositionWithAffinityOfHitTestResult( const HitTestResult& hit_test_result) { … } DocumentMarkerGroup* SpellCheckMarkerGroupAtPosition( DocumentMarkerController& document_marker_controller, const PositionInFlatTree& position) { … } void MarkSelectionEndpointsForRepaint(const SelectionInFlatTree& selection) { … } bool IsNonSelectable(const Node* node) { … } inline bool ShouldIgnoreNodeForCheckSelectable(const Node* enclosing_block, const Node* node) { … } } // namespace SelectionInFlatTree AdjustSelectionWithTrailingWhitespace( const SelectionInFlatTree& selection) { … } SelectionInFlatTree AdjustSelectionByUserSelect( Node* anchor_node, const SelectionInFlatTree& selection) { … } SelectionController::~SelectionController() = default; Document& SelectionController::GetDocument() const { … } void SelectionController::ContextDestroyed() { … } static PositionInFlatTreeWithAffinity AdjustPositionRespectUserSelectAll( Node* inner_node, const PositionInFlatTree& selection_start, const PositionInFlatTree& selection_end, const PositionInFlatTreeWithAffinity& position) { … } static PositionInFlatTree ComputeStartFromEndForExtendForward( const PositionInFlatTree& end, TextGranularity granularity) { … } static SelectionInFlatTree ExtendSelectionAsDirectional( const PositionInFlatTreeWithAffinity& position, const SelectionInFlatTree& selection, TextGranularity granularity) { … } static SelectionInFlatTree ExtendSelectionAsNonDirectional( const PositionInFlatTree& position, const SelectionInFlatTree& selection, TextGranularity granularity) { … } // Updating the selection is considered side-effect of the event and so it // doesn't impact the handled state. bool SelectionController::HandleSingleClick( const MouseEventWithHitTestResults& event) { … } // Returns true if the tap is processed. void SelectionController::HandleTapOnCaret( const MouseEventWithHitTestResults& event, const SelectionInFlatTree& selection) { … } // Returns true if the tap is processed. bool SelectionController::HandleTapInsideSelection( const MouseEventWithHitTestResults& event, const SelectionInFlatTree& selection) { … } WebInputEventResult SelectionController::UpdateSelectionForMouseDrag( const HitTestResult& hit_test_result, const PhysicalOffset& last_known_mouse_position) { … } bool SelectionController::UpdateSelectionForMouseDownDispatchingSelectStart( Node* target_node, const SelectionInFlatTree& selection, const SetSelectionOptions& set_selection_options) { … } bool SelectionController::SelectClosestWordFromHitTestResult( const HitTestResult& result, AppendTrailingWhitespace append_trailing_whitespace, SelectInputEventType select_input_event_type) { … } void SelectionController::SelectClosestMisspellingFromHitTestResult( const HitTestResult& result, AppendTrailingWhitespace append_trailing_whitespace) { … } template <typename MouseEventObject> bool SelectionController::SelectClosestWordFromMouseEvent( const MouseEventObject* mouse_event, const HitTestResult& result) { … } template <typename MouseEventObject> void SelectionController::SelectClosestMisspellingFromMouseEvent( const MouseEventObject* mouse_event, const HitTestResult& hit_test_result) { … } template <typename MouseEventObject> void SelectionController::SelectClosestWordOrLinkFromMouseEvent( const MouseEventObject* mouse_event, const HitTestResult& hit_test_result) { … } // TODO(yosin): We should take |granularity| and |handleVisibility| from // |newSelection|. // We should rename this function to appropriate name because // set_selection_options has selection directional value in few cases. void SelectionController::SetNonDirectionalSelectionIfNeeded( const SelectionInFlatTree& new_selection, const SetSelectionOptions& set_selection_options, EndPointsAdjustmentMode endpoints_adjustment_mode) { … } void SelectionController::SetCaretAtHitTestResult( const HitTestResult& hit_test_result) { … } bool SelectionController::HandleDoubleClick( const MouseEventWithHitTestResults& event) { … } bool SelectionController::HandleTripleClick( const MouseEventWithHitTestResults& event) { … } bool SelectionController::HandleMousePressEvent( const MouseEventWithHitTestResults& event) { … } WebInputEventResult SelectionController::HandleMouseDraggedEvent( const MouseEventWithHitTestResults& event, const gfx::Point& mouse_down_pos, const PhysicalOffset& last_known_mouse_position) { … } void SelectionController::UpdateSelectionForMouseDrag( const PhysicalOffset& drag_start_pos_in_root_frame, const PhysicalOffset& last_known_mouse_position_in_root_frame) { … } bool SelectionController::HandleMouseReleaseEvent( const MouseEventWithHitTestResults& event, const PhysicalOffset& drag_start_pos) { … } bool SelectionController::HandlePasteGlobalSelection( const WebMouseEvent& mouse_event) { … } bool SelectionController::HandleGestureLongPress( const HitTestResult& hit_test_result) { … } void SelectionController::HandleGestureTwoFingerTap( const GestureEventWithHitTestResults& targeted_event) { … } static bool HitTestResultIsMisspelled(const HitTestResult& result) { … } template <typename MouseEventObject> void SelectionController::UpdateSelectionForContextMenuEvent( const MouseEventObject* mouse_event, const HitTestResult& hit_test_result, const PhysicalOffset& position) { … } void SelectionController::PassMousePressEventToSubframe( const MouseEventWithHitTestResults& mev) { … } void SelectionController::InitializeSelectionState() { … } void SelectionController::SetMouseDownMayStartSelect(bool may_start_select) { … } bool SelectionController::MouseDownMayStartSelect() const { … } bool SelectionController::MouseDownWasSingleClickInSelection() const { … } void SelectionController::NotifySelectionChanged() { … } FrameSelection& SelectionController::Selection() const { … } bool IsSelectionOverLink(const MouseEventWithHitTestResults& event) { … } bool IsUserNodeDraggable(const MouseEventWithHitTestResults& event) { … } bool IsExtendingSelection(const MouseEventWithHitTestResults& event) { … } template void SelectionController::UpdateSelectionForContextMenuEvent< MouseEvent>(const MouseEvent*, const HitTestResult&, const PhysicalOffset&); } // namespace blink
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