blob: ca4d9869af20ec15f2a41f8c2b2b5fddbbf4aece [file] [log] [blame]
/*
* Copyright (C) 2012 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 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 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 "TextInsertionBaseCommand.h"
#include "BeforeTextInsertedEvent.h"
#include "Document.h"
#include "Element.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "Node.h"
namespace WebCore {
TextInsertionBaseCommand::TextInsertionBaseCommand(Document& document, EditAction editingAction)
: CompositeEditCommand(document, editingAction)
{
}
void TextInsertionBaseCommand::applyTextInsertionCommand(Frame* frame, TextInsertionBaseCommand& command, const VisibleSelection& selectionForInsertion, const VisibleSelection& endingSelection)
{
bool changeSelection = selectionForInsertion != endingSelection;
if (changeSelection) {
command.setStartingSelection(selectionForInsertion);
command.setEndingSelection(selectionForInsertion);
}
command.apply();
if (changeSelection) {
command.setEndingSelection(endingSelection);
frame->selection().setSelection(endingSelection);
}
}
String dispatchBeforeTextInsertedEvent(const String& text, const VisibleSelection& selectionForInsertion, bool insertionIsForUpdatingComposition)
{
if (insertionIsForUpdatingComposition)
return text;
String newText = text;
if (Node* startNode = selectionForInsertion.start().containerNode()) {
if (startNode->rootEditableElement()) {
// Send BeforeTextInsertedEvent. The event handler will update text if necessary.
Ref<BeforeTextInsertedEvent> event = BeforeTextInsertedEvent::create(text);
startNode->rootEditableElement()->dispatchEvent(event);
newText = event->text();
}
}
return newText;
}
bool canAppendNewLineFeedToSelection(const VisibleSelection& selection)
{
Node* node = selection.rootEditableElement();
if (!node)
return false;
Ref<BeforeTextInsertedEvent> event = BeforeTextInsertedEvent::create("\n"_s);
node->dispatchEvent(event);
return event->text().length();
}
}