/* * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved. * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) * * 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. */ #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/editing/ime/input_method_controller.h" #include <tuple> #include "third_party/blink/public/mojom/input/focus_type.mojom-blink.h" #include "third_party/blink/public/web/web_frame_widget.h" #include "third_party/blink/public/web/web_local_frame.h" #include "third_party/blink/renderer/core/dom/document.h" #include "third_party/blink/renderer/core/dom/dom_node_ids.h" #include "third_party/blink/renderer/core/dom/element.h" #include "third_party/blink/renderer/core/dom/events/event_dispatcher.h" #include "third_party/blink/renderer/core/dom/events/scoped_event_queue.h" #include "third_party/blink/renderer/core/dom/node_computed_style.h" #include "third_party/blink/renderer/core/dom/range.h" #include "third_party/blink/renderer/core/dom/text.h" #include "third_party/blink/renderer/core/editing/commands/delete_selection_command.h" #include "third_party/blink/renderer/core/editing/commands/undo_stack.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/ime/edit_context.h" #include "third_party/blink/renderer/core/editing/markers/document_marker_controller.h" #include "third_party/blink/renderer/core/editing/markers/suggestion_marker_properties.h" #include "third_party/blink/renderer/core/editing/reveal_selection_scope.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/state_machines/backward_code_point_state_machine.h" #include "third_party/blink/renderer/core/editing/state_machines/forward_code_point_state_machine.h" #include "third_party/blink/renderer/core/events/composition_event.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/html/canvas/html_canvas_element.h" #include "third_party/blink/renderer/core/html/forms/html_input_element.h" #include "third_party/blink/renderer/core/html/forms/html_text_area_element.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/input_type_names.h" #include "third_party/blink/renderer/core/keywords.h" #include "third_party/blink/renderer/core/layout/layout_object.h" #include "third_party/blink/renderer/core/layout/layout_theme.h" #include "third_party/blink/renderer/core/page/focus_controller.h" #include "third_party/blink/renderer/core/page/page.h" namespace blink { FormControlType; namespace { bool NeedsIncrementalInsertion(const LocalFrame& frame, const String& new_text) { … } AtomicString GetInputModeAttribute(Element* element) { … } AtomicString GetEnterKeyHintAttribute(Element* element) { … } AtomicString GetVirtualKeyboardPolicyAttribute(Element* element) { … } constexpr int kInvalidDeletionLength = …; constexpr bool IsInvalidDeletionLength(const int length) { … } int CalculateBeforeDeletionLengthsInCodePoints( const String& text, const int before_length_in_code_points, const int selection_start) { … } int CalculateAfterDeletionLengthsInCodePoints( const String& text, const int after_length_in_code_points, const int selection_end) { … } Element* RootEditableElementOfSelection(const FrameSelection& frameSelection) { … } std::pair<ContainerNode*, PlainTextRange> PlainTextRangeForEphemeralRange( const EphemeralRange& range) { … } int ComputeAutocapitalizeFlags(const Element* element) { … } SuggestionMarker::SuggestionType ConvertImeTextSpanType( ImeTextSpan::Type type) { … } ImeTextSpan::Type ConvertSuggestionMarkerType( SuggestionMarker::SuggestionType type) { … } // ImeTextSpans types that need to be provided to TextInputInfo can be added // here. bool ShouldGetImeTextSpans(ImeTextSpan::Type type) { … } } // anonymous namespace enum class InputMethodController::TypingContinuation { … }; InputMethodController::InputMethodController(LocalDOMWindow& window, LocalFrame& frame) : … { … } InputMethodController::~InputMethodController() = default; bool InputMethodController::IsAvailable() const { … } Document& InputMethodController::GetDocument() const { … } bool InputMethodController::HasComposition() const { … } inline Editor& InputMethodController::GetEditor() const { … } LocalFrame& InputMethodController::GetFrame() const { … } void InputMethodController::DispatchCompositionUpdateEvent(LocalFrame& frame, const String& text) { … } void InputMethodController::DispatchCompositionEndEvent(LocalFrame& frame, const String& text) { … } void InputMethodController::DispatchBeforeInputFromComposition( EventTarget* target, InputEvent::InputType input_type, const String& data) { … } // Used to insert/replace text during composition update and confirm // composition. // Procedure: // 1. Fire 'beforeinput' event for (TODO(editing-dev): deleted composed text) // and inserted text // 2. Fire 'compositionupdate' event // 3. Fire TextEvent and modify DOM // 4. Fire 'input' event; dispatched by Editor::AppliedEditing() void InputMethodController::InsertTextDuringCompositionWithEvents( LocalFrame& frame, const String& text, TypingCommand::Options options, TypingCommand::TextCompositionType composition_type) { … } void InputMethodController::Clear() { … } void InputMethodController::ClearImeTextSpansByType(ImeTextSpan::Type type, unsigned text_start, unsigned text_end) { … } void InputMethodController::ContextDestroyed() { … } void InputMethodController::SelectComposition() const { … } bool IsTextTooLongAt(const Position& position) { … } bool InputMethodController::FinishComposingText( ConfirmCompositionBehavior confirm_behavior) { … } bool InputMethodController::CommitText( const String& text, const Vector<ImeTextSpan>& ime_text_spans, int relative_caret_position) { … } bool InputMethodController::ReplaceTextAndMoveCaret( const String& text, PlainTextRange range, MoveCaretBehavior move_caret_behavior) { … } bool InputMethodController::ReplaceComposition(const String& text) { … } // relativeCaretPosition is relative to the end of the text. static int ComputeAbsoluteCaretPosition(int text_start, int text_length, int relative_caret_position) { … } void InputMethodController::AddImeTextSpans( const Vector<ImeTextSpan>& ime_text_spans, ContainerNode* base_element, unsigned offset_in_plain_chars) { … } bool InputMethodController::ReplaceCompositionAndMoveCaret( const String& text, int relative_caret_position, const Vector<ImeTextSpan>& ime_text_spans) { … } bool InputMethodController::InsertText(const String& text) { … } bool InputMethodController::InsertTextAndMoveCaret( const String& text, int relative_caret_position, const Vector<ImeTextSpan>& ime_text_spans) { … } void InputMethodController::CancelComposition() { … } bool InputMethodController::DispatchCompositionStartEvent(const String& text) { … } void InputMethodController::SetComposition( const String& text, const Vector<ImeTextSpan>& ime_text_spans, int selection_start, int selection_end) { … } PlainTextRange InputMethodController::CreateSelectionRangeForSetComposition( int selection_start, int selection_end, size_t text_length) const { … } void InputMethodController::SetCompositionFromExistingText( const Vector<ImeTextSpan>& ime_text_spans, unsigned composition_start, unsigned composition_end) { … } void InputMethodController::AddImeTextSpansToExistingText( const Vector<ImeTextSpan>& ime_text_spans, unsigned text_start, unsigned text_end) { … } EphemeralRange InputMethodController::CompositionEphemeralRange() const { … } String InputMethodController::ComposingText() const { … } PlainTextRange InputMethodController::GetSelectionOffsets() const { … } EphemeralRange InputMethodController::EphemeralRangeForOffsets( const PlainTextRange& offsets) const { … } bool InputMethodController::SetSelectionOffsets( const PlainTextRange& selection_offsets) { … } bool InputMethodController::SetSelectionOffsets( const PlainTextRange& selection_offsets, TypingContinuation typing_continuation, bool show_handle, bool show_context_menu) { … } bool InputMethodController::SetEditableSelectionOffsets( const PlainTextRange& selection_offsets, bool show_handle, bool show_context_menu) { … } bool InputMethodController::SetEditableSelectionOffsets( const PlainTextRange& selection_offsets, TypingContinuation typing_continuation, bool show_handle, bool show_context_menu) { … } void InputMethodController::RemoveSuggestionMarkerInCompositionRange() { … } PlainTextRange InputMethodController::CreateRangeForSelection( int start, int end, size_t text_length) const { … } bool InputMethodController::DeleteSelection() { … } bool InputMethodController::DeleteSelectionWithoutAdjustment() { … } bool InputMethodController::MoveCaret(int new_caret_position) { … } void InputMethodController::ExtendSelectionAndDelete(int before, int after) { … } // TODO(ctzsm): We should reduce the number of selectionchange events. // Ideally, we want to do the deletion without selection, however, there is no // such editing command exists currently. void InputMethodController::DeleteSurroundingText(int before, int after) { … } void InputMethodController::DeleteSurroundingTextInCodePoints(int before, int after) { … } void InputMethodController::ExtendSelectionAndReplace( int before, int after, const String& replacement_text) { … } void InputMethodController::GetLayoutBounds(gfx::Rect* control_bounds, gfx::Rect* selection_bounds) { … } void InputMethodController::DidChangeVisibility( const LayoutObject& layout_object) { … } void InputMethodController::DidLayoutSubtree( const LayoutObject& layout_object) { … } void InputMethodController::DidUpdateLayout(const LayoutObject& layout_object) { … } void InputMethodController::LayoutObjectWillBeDestroyed( const LayoutObject& layout_object) { … } WebTextInputInfo InputMethodController::TextInputInfo() const { … } int InputMethodController::TextInputFlags() const { … } int InputMethodController::ComputeWebTextInputNextPreviousFlags() const { … } ui::TextInputAction InputMethodController::InputActionOfFocusedElement() const { … } WebTextInputMode InputMethodController::InputModeOfFocusedElement() const { … } ui::mojom::VirtualKeyboardPolicy InputMethodController::VirtualKeyboardPolicyOfFocusedElement() const { … } void InputMethodController::SetVirtualKeyboardVisibilityRequest( ui::mojom::VirtualKeyboardVisibilityRequest vk_visibility_request) { … } DOMNodeId InputMethodController::NodeIdOfFocusedElement() const { … } WebTextInputType InputMethodController::TextInputType() const { … } void InputMethodController::WillChangeFocus() { … } void InputMethodController::Trace(Visitor* visitor) const { … } WebVector<ui::ImeTextSpan> InputMethodController::GetImeTextSpans() const { … } } // namespace blink
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