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EditorCommand.cpp
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/*
* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
* Copyright (C) 2009 Igalia S.L.
*
* 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 "config.h"
#include "Editor.h"
#include "CSSComputedStyleDeclaration.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "CSSValueList.h"
#include "Chrome.h"
#include "CreateLinkCommand.h"
#include "DocumentFragment.h"
#include "EditorClient.h"
#include "Event.h"
#include "EventHandler.h"
#include "FormatBlockCommand.h"
#include "Frame.h"
#include "FrameView.h"
#include "HTMLFontElement.h"
#include "HTMLHRElement.h"
#include "HTMLImageElement.h"
#include "HTMLNames.h"
#include "IndentOutdentCommand.h"
#include "InsertListCommand.h"
#include "KillRing.h"
#include "Page.h"
#include "Pasteboard.h"
#include "RenderBox.h"
#include "ReplaceSelectionCommand.h"
#include "Scrollbar.h"
#include "Settings.h"
#include "Sound.h"
#include "StylePropertySet.h"
#include "TypingCommand.h"
#include "UnlinkCommand.h"
#include "UserTypingGestureIndicator.h"
#include "htmlediting.h"
#include "markup.h"
#include <wtf/text/AtomicString.h>
namespace WebCore {
using namespace HTMLNames;
class EditorInternalCommand {
public:
bool (*execute)(Frame*, Event*, EditorCommandSource, const String&);
bool (*isSupportedFromDOM)(Frame*);
bool (*isEnabled)(Frame*, Event*, EditorCommandSource);
TriState (*state)(Frame*, Event*);
String (*value)(Frame*, Event*);
bool isTextInsertion;
bool allowExecutionWhenDisabled;
};
typedef HashMap<String, const EditorInternalCommand*, CaseFoldingHash> CommandMap;
static const bool notTextInsertion = false;
static const bool isTextInsertion = true;
static const bool allowExecutionWhenDisabled = true;
static const bool doNotAllowExecutionWhenDisabled = false;
// Related to Editor::selectionForCommand.
// Certain operations continue to use the target control's selection even if the event handler
// already moved the selection outside of the text control.
static Frame* targetFrame(Frame* frame, Event* event)
{
if (!event)
return frame;
Node* node = event->target()->toNode();
if (!node)
return frame;
return node->document()->frame();
}
static bool applyCommandToFrame(Frame* frame, EditorCommandSource source, EditAction action, StylePropertySet* style)
{
// FIXME: We don't call shouldApplyStyle when the source is DOM; is there a good reason for that?
switch (source) {
case CommandFromMenuOrKeyBinding:
frame->editor()->applyStyleToSelection(style, action);
return true;
case CommandFromDOM:
case CommandFromDOMWithUserInterface:
frame->editor()->applyStyle(style);
return true;
}
ASSERT_NOT_REACHED();
return false;
}
static bool executeApplyStyle(Frame* frame, EditorCommandSource source, EditAction action, CSSPropertyID propertyID, const String& propertyValue)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(propertyID, propertyValue);
return applyCommandToFrame(frame, source, action, style.get());
}
static bool executeApplyStyle(Frame* frame, EditorCommandSource source, EditAction action, CSSPropertyID propertyID, int propertyValue)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(propertyID, propertyValue);
return applyCommandToFrame(frame, source, action, style.get());
}
// FIXME: executeToggleStyleInList does not handle complicated cases such as <b><u>hello</u>world</b> properly.
// This function must use Editor::selectionHasStyle to determine the current style but we cannot fix this
// until https://bugs.webkit.org/show_bug.cgi?id=27818 is resolved.
static bool executeToggleStyleInList(Frame* frame, EditorCommandSource source, EditAction action, CSSPropertyID propertyID, CSSValue* value)
{
RefPtr<EditingStyle> selectionStyle = EditingStyle::styleAtSelectionStart(frame->selection()->selection());
if (!selectionStyle || !selectionStyle->style())
return false;
RefPtr<CSSValue> selectedCSSValue = selectionStyle->style()->getPropertyCSSValue(propertyID);
String newStyle = ASCIILiteral("none");
if (selectedCSSValue->isValueList()) {
RefPtr<CSSValueList> selectedCSSValueList = static_cast<CSSValueList*>(selectedCSSValue.get());
if (!selectedCSSValueList->removeAll(value))
selectedCSSValueList->append(value);
if (selectedCSSValueList->length())
newStyle = selectedCSSValueList->cssText();
} else if (selectedCSSValue->cssText() == "none")
newStyle = value->cssText();
// FIXME: We shouldn't be having to convert new style into text. We should have setPropertyCSSValue.
RefPtr<StylePropertySet> newMutableStyle = StylePropertySet::create();
newMutableStyle->setProperty(propertyID, newStyle);
return applyCommandToFrame(frame, source, action, newMutableStyle.get());
}
static bool executeToggleStyle(Frame* frame, EditorCommandSource source, EditAction action, CSSPropertyID propertyID, const char* offValue, const char* onValue)
{
// Style is considered present when
// Mac: present at the beginning of selection
// other: present throughout the selection
bool styleIsPresent;
if (frame->editor()->behavior().shouldToggleStyleBasedOnStartOfSelection())
styleIsPresent = frame->editor()->selectionStartHasStyle(propertyID, onValue);
else
styleIsPresent = frame->editor()->selectionHasStyle(propertyID, onValue) == TrueTriState;
RefPtr<EditingStyle> style = EditingStyle::create(propertyID, styleIsPresent ? offValue : onValue);
return applyCommandToFrame(frame, source, action, style->style());
}
static bool executeApplyParagraphStyle(Frame* frame, EditorCommandSource source, EditAction action, CSSPropertyID propertyID, const String& propertyValue)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(propertyID, propertyValue);
// FIXME: We don't call shouldApplyStyle when the source is DOM; is there a good reason for that?
switch (source) {
case CommandFromMenuOrKeyBinding:
frame->editor()->applyParagraphStyleToSelection(style.get(), action);
return true;
case CommandFromDOM:
case CommandFromDOMWithUserInterface:
frame->editor()->applyParagraphStyle(style.get());
return true;
}
ASSERT_NOT_REACHED();
return false;
}
static bool executeInsertFragment(Frame* frame, PassRefPtr<DocumentFragment> fragment)
{
applyCommand(ReplaceSelectionCommand::create(frame->document(), fragment, ReplaceSelectionCommand::PreventNesting, EditActionUnspecified));
return true;
}
static bool executeInsertNode(Frame* frame, PassRefPtr<Node> content)
{
RefPtr<DocumentFragment> fragment = DocumentFragment::create(frame->document());
ExceptionCode ec = 0;
fragment->appendChild(content, ec);
if (ec)
return false;
return executeInsertFragment(frame, fragment.release());
}
static bool expandSelectionToGranularity(Frame* frame, TextGranularity granularity)
{
VisibleSelection selection = frame->selection()->selection();
selection.expandUsingGranularity(granularity);
RefPtr<Range> newRange = selection.toNormalizedRange();
if (!newRange)
return false;
ExceptionCode ec = 0;
if (newRange->collapsed(ec))
return false;
RefPtr<Range> oldRange = frame->selection()->selection().toNormalizedRange();
EAffinity affinity = frame->selection()->affinity();
if (!frame->editor()->client()->shouldChangeSelectedRange(oldRange.get(), newRange.get(), affinity, false))
return false;
frame->selection()->setSelectedRange(newRange.get(), affinity, true);
return true;
}
static TriState stateStyle(Frame* frame, CSSPropertyID propertyID, const char* desiredValue)
{
if (frame->editor()->behavior().shouldToggleStyleBasedOnStartOfSelection())
return frame->editor()->selectionStartHasStyle(propertyID, desiredValue) ? TrueTriState : FalseTriState;
return frame->editor()->selectionHasStyle(propertyID, desiredValue);
}
static String valueStyle(Frame* frame, CSSPropertyID propertyID)
{
// FIXME: Rather than retrieving the style at the start of the current selection,
// we should retrieve the style present throughout the selection for non-Mac platforms.
return frame->editor()->selectionStartCSSPropertyValue(propertyID);
}
static TriState stateTextWritingDirection(Frame* frame, WritingDirection direction)
{
bool hasNestedOrMultipleEmbeddings;
WritingDirection selectionDirection = EditingStyle::textDirectionForSelection(frame->selection()->selection(),
frame->selection()->typingStyle(), hasNestedOrMultipleEmbeddings);
// FXIME: We should be returning MixedTriState when selectionDirection == direction && hasNestedOrMultipleEmbeddings
return (selectionDirection == direction && !hasNestedOrMultipleEmbeddings) ? TrueTriState : FalseTriState;
}
static unsigned verticalScrollDistance(Frame* frame)
{
Node* focusedNode = frame->document()->focusedNode();
if (!focusedNode)
return 0;
RenderObject* renderer = focusedNode->renderer();
if (!renderer || !renderer->isBox())
return 0;
RenderStyle* style = renderer->style();
if (!style)
return 0;
if (!(style->overflowY() == OSCROLL || style->overflowY() == OAUTO || focusedNode->rendererIsEditable()))
return 0;
int height = std::min<int>(toRenderBox(renderer)->clientHeight(), frame->view()->visibleHeight());
return static_cast<unsigned>(max(max<int>(height * Scrollbar::minFractionToStepWhenPaging(), height - Scrollbar::maxOverlapBetweenPages()), 1));
}
static RefPtr<Range> unionDOMRanges(Range* a, Range* b)
{
ExceptionCode ec = 0;
Range* start = a->compareBoundaryPoints(Range::START_TO_START, b, ec) <= 0 ? a : b;
ASSERT(!ec);
Range* end = a->compareBoundaryPoints(Range::END_TO_END, b, ec) <= 0 ? b : a;
ASSERT(!ec);
return Range::create(a->startContainer(ec)->ownerDocument(), start->startContainer(ec), start->startOffset(ec), end->endContainer(ec), end->endOffset(ec));
}
// Execute command functions
static bool executeBackColor(Frame* frame, Event*, EditorCommandSource source, const String& value)
{
return executeApplyStyle(frame, source, EditActionSetBackgroundColor, CSSPropertyBackgroundColor, value);
}
static bool executeCopy(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->copy();
return true;
}
static bool executeCreateLink(Frame* frame, Event*, EditorCommandSource, const String& value)
{
// FIXME: If userInterface is true, we should display a dialog box to let the user enter a URL.
if (value.isEmpty())
return false;
applyCommand(CreateLinkCommand::create(frame->document(), value));
return true;
}
static bool executeCut(Frame* frame, Event*, EditorCommandSource source, const String&)
{
if (source == CommandFromMenuOrKeyBinding) {
UserTypingGestureIndicator typingGestureIndicator(frame);
frame->editor()->cut();
} else
frame->editor()->cut();
return true;
}
static bool executeDefaultParagraphSeparator(Frame* frame, Event*, EditorCommandSource, const String& value)
{
if (equalIgnoringCase(value, "div"))
frame->editor()->setDefaultParagraphSeparator(EditorParagraphSeparatorIsDiv);
else if (equalIgnoringCase(value, "p"))
frame->editor()->setDefaultParagraphSeparator(EditorParagraphSeparatorIsP);
return true;
}
static bool executeDelete(Frame* frame, Event*, EditorCommandSource source, const String&)
{
switch (source) {
case CommandFromMenuOrKeyBinding: {
// Doesn't modify the text if the current selection isn't a range.
UserTypingGestureIndicator typingGestureIndicator(frame);
frame->editor()->performDelete();
return true;
}
case CommandFromDOM:
case CommandFromDOMWithUserInterface:
// If the current selection is a caret, delete the preceding character. IE performs forwardDelete, but we currently side with Firefox.
// Doesn't scroll to make the selection visible, or modify the kill ring (this time, siding with IE, not Firefox).
TypingCommand::deleteKeyPressed(frame->document(), frame->selection()->granularity() == WordGranularity ? TypingCommand::SmartDelete : 0);
return true;
}
ASSERT_NOT_REACHED();
return false;
}
static bool executeDeleteBackward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionBackward, CharacterGranularity, false, true);
return true;
}
static bool executeDeleteBackwardByDecomposingPreviousCharacter(Frame* frame, Event*, EditorCommandSource, const String&)
{
LOG_ERROR("DeleteBackwardByDecomposingPreviousCharacter is not implemented, doing DeleteBackward instead");
frame->editor()->deleteWithDirection(DirectionBackward, CharacterGranularity, false, true);
return true;
}
static bool executeDeleteForward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionForward, CharacterGranularity, false, true);
return true;
}
static bool executeDeleteToBeginningOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionBackward, LineBoundary, true, false);
return true;
}
static bool executeDeleteToBeginningOfParagraph(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionBackward, ParagraphBoundary, true, false);
return true;
}
static bool executeDeleteToEndOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
// Despite its name, this command should delete the newline at the end of
// a paragraph if you are at the end of a paragraph (like DeleteToEndOfParagraph).
frame->editor()->deleteWithDirection(DirectionForward, LineBoundary, true, false);
return true;
}
static bool executeDeleteToEndOfParagraph(Frame* frame, Event*, EditorCommandSource, const String&)
{
// Despite its name, this command should delete the newline at the end of
// a paragraph if you are at the end of a paragraph.
frame->editor()->deleteWithDirection(DirectionForward, ParagraphBoundary, true, false);
return true;
}
static bool executeDeleteToMark(Frame* frame, Event*, EditorCommandSource, const String&)
{
RefPtr<Range> mark = frame->editor()->mark().toNormalizedRange();
if (mark) {
FrameSelection* selection = frame->selection();
bool selected = selection->setSelectedRange(unionDOMRanges(mark.get(), frame->editor()->selectedRange().get()).get(), DOWNSTREAM, true);
ASSERT(selected);
if (!selected)
return false;
}
frame->editor()->performDelete();
frame->editor()->setMark(frame->selection()->selection());
return true;
}
static bool executeDeleteWordBackward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionBackward, WordGranularity, true, false);
return true;
}
static bool executeDeleteWordForward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->deleteWithDirection(DirectionForward, WordGranularity, true, false);
return true;
}
static bool executeFindString(Frame* frame, Event*, EditorCommandSource, const String& value)
{
return frame->editor()->findString(value, true, false, true, false);
}
static bool executeFontName(Frame* frame, Event*, EditorCommandSource source, const String& value)
{
return executeApplyStyle(frame, source, EditActionSetFont, CSSPropertyFontFamily, value);
}
static bool executeFontSize(Frame* frame, Event*, EditorCommandSource source, const String& value)
{
int size;
if (!HTMLFontElement::cssValueFromFontSizeNumber(value, size))
return false;
return executeApplyStyle(frame, source, EditActionChangeAttributes, CSSPropertyFontSize, size);
}
static bool executeFontSizeDelta(Frame* frame, Event*, EditorCommandSource source, const String& value)
{
return executeApplyStyle(frame, source, EditActionChangeAttributes, CSSPropertyWebkitFontSizeDelta, value);
}
static bool executeForeColor(Frame* frame, Event*, EditorCommandSource source, const String& value)
{
return executeApplyStyle(frame, source, EditActionSetColor, CSSPropertyColor, value);
}
static bool executeFormatBlock(Frame* frame, Event*, EditorCommandSource, const String& value)
{
String tagName = value.lower();
if (tagName[0] == '<' && tagName[tagName.length() - 1] == '>')
tagName = tagName.substring(1, tagName.length() - 2);
ExceptionCode ec;
String localName, prefix;
if (!Document::parseQualifiedName(tagName, prefix, localName, ec))
return false;
QualifiedName qualifiedTagName(prefix, localName, xhtmlNamespaceURI);
RefPtr<FormatBlockCommand> command = FormatBlockCommand::create(frame->document(), qualifiedTagName);
applyCommand(command);
return command->didApply();
}
static bool executeForwardDelete(Frame* frame, Event*, EditorCommandSource source, const String&)
{
switch (source) {
case CommandFromMenuOrKeyBinding:
frame->editor()->deleteWithDirection(DirectionForward, CharacterGranularity, false, true);
return true;
case CommandFromDOM:
case CommandFromDOMWithUserInterface:
// Doesn't scroll to make the selection visible, or modify the kill ring.
// ForwardDelete is not implemented in IE or Firefox, so this behavior is only needed for
// backward compatibility with ourselves, and for consistency with Delete.
TypingCommand::forwardDeleteKeyPressed(frame->document());
return true;
}
ASSERT_NOT_REACHED();
return false;
}
static bool executeIgnoreSpelling(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->ignoreSpelling();
return true;
}
static bool executeIndent(Frame* frame, Event*, EditorCommandSource, const String&)
{
applyCommand(IndentOutdentCommand::create(frame->document(), IndentOutdentCommand::Indent));
return true;
}
static bool executeInsertBacktab(Frame* frame, Event* event, EditorCommandSource, const String&)
{
return targetFrame(frame, event)->eventHandler()->handleTextInputEvent("\t", event, TextEventInputBackTab);
}
static bool executeInsertHorizontalRule(Frame* frame, Event*, EditorCommandSource, const String& value)
{
RefPtr<HTMLHRElement> rule = HTMLHRElement::create(frame->document());
if (!value.isEmpty())
rule->setIdAttribute(value);
return executeInsertNode(frame, rule.release());
}
static bool executeInsertHTML(Frame* frame, Event*, EditorCommandSource, const String& value)
{
return executeInsertFragment(frame, createFragmentFromMarkup(frame->document(), value, ""));
}
static bool executeInsertImage(Frame* frame, Event*, EditorCommandSource, const String& value)
{
// FIXME: If userInterface is true, we should display a dialog box and let the user choose a local image.
RefPtr<HTMLImageElement> image = HTMLImageElement::create(frame->document());
image->setSrc(value);
return executeInsertNode(frame, image.release());
}
static bool executeInsertLineBreak(Frame* frame, Event* event, EditorCommandSource source, const String&)
{
switch (source) {
case CommandFromMenuOrKeyBinding:
return targetFrame(frame, event)->eventHandler()->handleTextInputEvent("\n", event, TextEventInputLineBreak);
case CommandFromDOM:
case CommandFromDOMWithUserInterface:
// Doesn't scroll to make the selection visible, or modify the kill ring.
// InsertLineBreak is not implemented in IE or Firefox, so this behavior is only needed for
// backward compatibility with ourselves, and for consistency with other commands.
TypingCommand::insertLineBreak(frame->document(), 0);
return true;
}
ASSERT_NOT_REACHED();
return false;
}
static bool executeInsertNewline(Frame* frame, Event* event, EditorCommandSource, const String&)
{
Frame* targetFrame = WebCore::targetFrame(frame, event);
return targetFrame->eventHandler()->handleTextInputEvent("\n", event, targetFrame->editor()->canEditRichly() ? TextEventInputKeyboard : TextEventInputLineBreak);
}
static bool executeInsertNewlineInQuotedContent(Frame* frame, Event*, EditorCommandSource, const String&)
{
TypingCommand::insertParagraphSeparatorInQuotedContent(frame->document());
return true;
}
static bool executeInsertOrderedList(Frame* frame, Event*, EditorCommandSource, const String&)
{
applyCommand(InsertListCommand::create(frame->document(), InsertListCommand::OrderedList));
return true;
}
static bool executeInsertParagraph(Frame* frame, Event*, EditorCommandSource, const String&)
{
TypingCommand::insertParagraphSeparator(frame->document(), 0);
return true;
}
static bool executeInsertTab(Frame* frame, Event* event, EditorCommandSource, const String&)
{
return targetFrame(frame, event)->eventHandler()->handleTextInputEvent("\t", event);
}
static bool executeInsertText(Frame* frame, Event*, EditorCommandSource, const String& value)
{
TypingCommand::insertText(frame->document(), value, 0);
return true;
}
static bool executeInsertUnorderedList(Frame* frame, Event*, EditorCommandSource, const String&)
{
applyCommand(InsertListCommand::create(frame->document(), InsertListCommand::UnorderedList));
return true;
}
static bool executeJustifyCenter(Frame* frame, Event*, EditorCommandSource source, const String&)
{
return executeApplyParagraphStyle(frame, source, EditActionCenter, CSSPropertyTextAlign, "center");
}
static bool executeJustifyFull(Frame* frame, Event*, EditorCommandSource source, const String&)
{
return executeApplyParagraphStyle(frame, source, EditActionJustify, CSSPropertyTextAlign, "justify");
}
static bool executeJustifyLeft(Frame* frame, Event*, EditorCommandSource source, const String&)
{
return executeApplyParagraphStyle(frame, source, EditActionAlignLeft, CSSPropertyTextAlign, "left");
}
static bool executeJustifyRight(Frame* frame, Event*, EditorCommandSource source, const String&)
{
return executeApplyParagraphStyle(frame, source, EditActionAlignRight, CSSPropertyTextAlign, "right");
}
static bool executeMakeTextWritingDirectionLeftToRight(Frame* frame, Event*, EditorCommandSource, const String&)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(CSSPropertyUnicodeBidi, CSSValueEmbed);
style->setProperty(CSSPropertyDirection, CSSValueLtr);
frame->editor()->applyStyle(style.get(), EditActionSetWritingDirection);
return true;
}
static bool executeMakeTextWritingDirectionNatural(Frame* frame, Event*, EditorCommandSource, const String&)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(CSSPropertyUnicodeBidi, CSSValueNormal);
frame->editor()->applyStyle(style.get(), EditActionSetWritingDirection);
return true;
}
static bool executeMakeTextWritingDirectionRightToLeft(Frame* frame, Event*, EditorCommandSource, const String&)
{
RefPtr<StylePropertySet> style = StylePropertySet::create();
style->setProperty(CSSPropertyUnicodeBidi, CSSValueEmbed);
style->setProperty(CSSPropertyDirection, CSSValueRtl);
frame->editor()->applyStyle(style.get(), EditActionSetWritingDirection);
return true;
}
static bool executeMoveBackward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMoveBackwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMoveDown(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, LineGranularity, UserTriggered);
}
static bool executeMoveDownAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, LineGranularity, UserTriggered);
return true;
}
static bool executeMoveForward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMoveForwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMoveLeft(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->selection()->modify(FrameSelection::AlterationMove, DirectionLeft, CharacterGranularity, UserTriggered);
}
static bool executeMoveLeftAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionLeft, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMovePageDown(Frame* frame, Event*, EditorCommandSource, const String&)
{
unsigned distance = verticalScrollDistance(frame);
if (!distance)
return false;
return frame->selection()->modify(FrameSelection::AlterationMove, distance, FrameSelection::DirectionDown,
UserTriggered, FrameSelection::AlignCursorOnScrollAlways);
}
static bool executeMovePageDownAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
unsigned distance = verticalScrollDistance(frame);
if (!distance)
return false;
return frame->selection()->modify(FrameSelection::AlterationExtend, distance, FrameSelection::DirectionDown,
UserTriggered, FrameSelection::AlignCursorOnScrollAlways);
}
static bool executeMovePageUp(Frame* frame, Event*, EditorCommandSource, const String&)
{
unsigned distance = verticalScrollDistance(frame);
if (!distance)
return false;
return frame->selection()->modify(FrameSelection::AlterationMove, distance, FrameSelection::DirectionUp,
UserTriggered, FrameSelection::AlignCursorOnScrollAlways);
}
static bool executeMovePageUpAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
unsigned distance = verticalScrollDistance(frame);
if (!distance)
return false;
return frame->selection()->modify(FrameSelection::AlterationExtend, distance, FrameSelection::DirectionUp,
UserTriggered, FrameSelection::AlignCursorOnScrollAlways);
}
static bool executeMoveRight(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->selection()->modify(FrameSelection::AlterationMove, DirectionRight, CharacterGranularity, UserTriggered);
}
static bool executeMoveRightAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionRight, CharacterGranularity, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfDocument(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, DocumentBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfDocumentAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, DocumentBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfLineAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfParagraph(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, ParagraphBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfParagraphAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, ParagraphBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfSentence(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, SentenceBoundary, UserTriggered);
return true;
}
static bool executeMoveToBeginningOfSentenceAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, SentenceBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfDocument(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, DocumentBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfDocumentAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, DocumentBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfSentence(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, SentenceBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfSentenceAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, SentenceBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfLineAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfParagraph(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, ParagraphBoundary, UserTriggered);
return true;
}
static bool executeMoveToEndOfParagraphAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, ParagraphBoundary, UserTriggered);
return true;
}
static bool executeMoveParagraphBackwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, ParagraphGranularity, UserTriggered);
return true;
}
static bool executeMoveParagraphForwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, ParagraphGranularity, UserTriggered);
return true;
}
static bool executeMoveUp(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, LineGranularity, UserTriggered);
}
static bool executeMoveUpAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, LineGranularity, UserTriggered);
return true;
}
static bool executeMoveWordBackward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionBackward, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordBackwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionBackward, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordForward(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionForward, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordForwardAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionForward, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordLeft(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionLeft, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordLeftAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionLeft, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordRight(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionRight, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveWordRightAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionRight, WordGranularity, UserTriggered);
return true;
}
static bool executeMoveToLeftEndOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionLeft, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToLeftEndOfLineAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionLeft, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToRightEndOfLine(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationMove, DirectionRight, LineBoundary, UserTriggered);
return true;
}
static bool executeMoveToRightEndOfLineAndModifySelection(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->selection()->modify(FrameSelection::AlterationExtend, DirectionRight, LineBoundary, UserTriggered);
return true;
}
static bool executeOutdent(Frame* frame, Event*, EditorCommandSource, const String&)
{
applyCommand(IndentOutdentCommand::create(frame->document(), IndentOutdentCommand::Outdent));
return true;
}
static bool executePaste(Frame* frame, Event*, EditorCommandSource source, const String&)
{
if (source == CommandFromMenuOrKeyBinding) {
UserTypingGestureIndicator typingGestureIndicator(frame);
frame->editor()->paste();
} else
frame->editor()->paste();
return true;
}
static bool executePasteGlobalSelection(Frame* frame, Event*, EditorCommandSource source, const String&)
{
if (!frame->editor()->client()->supportsGlobalSelection())
return false;
ASSERT_UNUSED(source, source == CommandFromMenuOrKeyBinding);
UserTypingGestureIndicator typingGestureIndicator(frame);
bool oldSelectionMode = Pasteboard::generalPasteboard()->isSelectionMode();
Pasteboard::generalPasteboard()->setSelectionMode(true);
frame->editor()->paste();
Pasteboard::generalPasteboard()->setSelectionMode(oldSelectionMode);
return true;
}
static bool executePasteAndMatchStyle(Frame* frame, Event*, EditorCommandSource source, const String&)
{
if (source == CommandFromMenuOrKeyBinding) {
UserTypingGestureIndicator typingGestureIndicator(frame);
frame->editor()->pasteAsPlainText();
} else
frame->editor()->pasteAsPlainText();
return true;
}
static bool executePasteAsPlainText(Frame* frame, Event*, EditorCommandSource source, const String&)
{
if (source == CommandFromMenuOrKeyBinding) {
UserTypingGestureIndicator typingGestureIndicator(frame);
frame->editor()->pasteAsPlainText();
} else
frame->editor()->pasteAsPlainText();
return true;
}
static bool executePrint(Frame* frame, Event*, EditorCommandSource, const String&)
{
Page* page = frame->page();
if (!page)
return false;
page->chrome()->print(frame);
return true;
}
static bool executeRedo(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->redo();
return true;
}
static bool executeRemoveFormat(Frame* frame, Event*, EditorCommandSource, const String&)
{
frame->editor()->removeFormattingAndStyle();
return true;
}
static bool executeScrollPageBackward(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->eventHandler()->logicalScrollRecursively(ScrollBlockDirectionBackward, ScrollByPage);
}
static bool executeScrollPageForward(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->eventHandler()->logicalScrollRecursively(ScrollBlockDirectionForward, ScrollByPage);
}
static bool executeScrollLineUp(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->eventHandler()->scrollRecursively(ScrollUp, ScrollByLine);
}
static bool executeScrollLineDown(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->eventHandler()->scrollRecursively(ScrollDown, ScrollByLine);
}
static bool executeScrollToBeginningOfDocument(Frame* frame, Event*, EditorCommandSource, const String&)
{
return frame->eventHandler()->logicalScrollRecursively(ScrollBlockDirectionBackward, ScrollByDocument);
}
static bool executeScrollToEndOfDocument(Frame* frame, Event*, EditorCommandSource, const String&)
{