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/*
* 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 "DictationCommand.h"
#include "AlternativeTextController.h"
#include "Document.h"
#include "DocumentMarkerController.h"
#include "Frame.h"
#include "FrameSelection.h"
#include "InsertParagraphSeparatorCommand.h"
#include "InsertTextCommand.h"
#include "Text.h"
namespace WebCore {
class DictationCommandLineOperation {
public:
DictationCommandLineOperation(DictationCommand* dictationCommand)
: m_dictationCommand(dictationCommand)
{ }
void operator()(size_t lineOffset, size_t lineLength, bool isLastLine) const
{
if (lineLength > 0)
m_dictationCommand->insertTextRunWithoutNewlines(lineOffset, lineLength);
if (!isLastLine)
m_dictationCommand->insertParagraphSeparator();
}
private:
DictationCommand* m_dictationCommand;
};
class DictationMarkerSupplier : public TextInsertionMarkerSupplier {
public:
static Ref<DictationMarkerSupplier> create(const Vector<DictationAlternative>& alternatives)
{
return adoptRef(*new DictationMarkerSupplier(alternatives));
}
void addMarkersToTextNode(Text& textNode, unsigned offsetOfInsertion, const String& textToBeInserted) override
{
auto& markerController = textNode.document().markers();
for (auto& alternative : m_alternatives) {
DocumentMarker::DictationData data { alternative.dictationContext, textToBeInserted.substring(alternative.rangeStart, alternative.rangeLength) };
markerController.addMarkerToNode(textNode, alternative.rangeStart + offsetOfInsertion, alternative.rangeLength, DocumentMarker::DictationAlternatives, WTFMove(data));
markerController.addMarkerToNode(textNode, alternative.rangeStart + offsetOfInsertion, alternative.rangeLength, DocumentMarker::SpellCheckingExemption);
}
}
protected:
DictationMarkerSupplier(const Vector<DictationAlternative>& alternatives)
: m_alternatives(alternatives)
{
}
private:
Vector<DictationAlternative> m_alternatives;
};
DictationCommand::DictationCommand(Document& document, const String& text, const Vector<DictationAlternative>& alternatives)
: TextInsertionBaseCommand(document)
, m_textToInsert(text)
, m_alternatives(alternatives)
{
}
void DictationCommand::insertText(Document& document, const String& text, const Vector<DictationAlternative>& alternatives, const VisibleSelection& selectionForInsertion)
{
RefPtr<Frame> frame = document.frame();
ASSERT(frame);
VisibleSelection currentSelection = frame->selection().selection();
String newText = dispatchBeforeTextInsertedEvent(text, selectionForInsertion, false);
RefPtr<DictationCommand> cmd;
if (newText == text)
cmd = DictationCommand::create(document, newText, alternatives);
else
// If the text was modified before insertion, the location of dictation alternatives
// will not be valid anymore. We will just drop the alternatives.
cmd = DictationCommand::create(document, newText, Vector<DictationAlternative>());
applyTextInsertionCommand(frame.get(), *cmd, selectionForInsertion, currentSelection);
}
void DictationCommand::doApply()
{
DictationCommandLineOperation operation(this);
forEachLineInString(m_textToInsert, operation);
postTextStateChangeNotification(AXTextEditTypeDictation, m_textToInsert);
}
void DictationCommand::insertTextRunWithoutNewlines(size_t lineStart, size_t lineLength)
{
Vector<DictationAlternative> alternativesInLine;
collectDictationAlternativesInRange(lineStart, lineLength, alternativesInLine);
auto command = InsertTextCommand::createWithMarkerSupplier(document(), m_textToInsert.substring(lineStart, lineLength), DictationMarkerSupplier::create(alternativesInLine), EditAction::Dictation);
applyCommandToComposite(WTFMove(command), endingSelection());
}
void DictationCommand::insertParagraphSeparator()
{
if (!canAppendNewLineFeedToSelection(endingSelection()))
return;
applyCommandToComposite(InsertParagraphSeparatorCommand::create(document(), false, false, EditAction::Dictation));
}
void DictationCommand::collectDictationAlternativesInRange(size_t rangeStart, size_t rangeLength, Vector<DictationAlternative>& alternatives)
{
for (auto& alternative : m_alternatives) {
if (alternative.rangeStart >= rangeStart && (alternative.rangeStart + alternative.rangeLength) <= rangeStart + rangeLength)
alternatives.append(DictationAlternative(alternative.rangeStart - rangeStart, alternative.rangeLength, alternative.dictationContext));
}
}
}