Home | History | Annotate | Download | only in editing 
      1 /*
      2  * Copyright (C) 2005, 2008 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "InsertIntoTextNodeCommand.h"
     28 
     29 #include "AXObjectCache.h"
     30 #include "Text.h"
     31 #include "RenderText.h"
     32 #include "Settings.h"
     33 
     34 namespace WebCore {
     35 
     36 InsertIntoTextNodeCommand::InsertIntoTextNodeCommand(PassRefPtr<Text> node, unsigned offset, const String& text)
     37     : SimpleEditCommand(node->document())
     38     , m_node(node)
     39     , m_offset(offset)
     40     , m_text(text)
     41 {
     42     ASSERT(m_node);
     43     ASSERT(m_offset <= m_node->length());
     44     ASSERT(!m_text.isEmpty());
     45 }
     46 
     47 void InsertIntoTextNodeCommand::doApply()
     48 {
     49     if (!m_node->rendererIsEditable())
     50         return;
     51 
     52     if (document()->settings() && document()->settings()->passwordEchoEnabled()) {
     53         RenderText* renderText = toRenderText(m_node->renderer());
     54         if (renderText && renderText->isSecure())
     55             renderText->momentarilyRevealLastTypedCharacter(m_offset + m_text.length() - 1);
     56     }
     57 
     58     ExceptionCode ec;
     59     m_node->insertData(m_offset, m_text, ec);
     60 
     61     if (AXObjectCache::accessibilityEnabled())
     62         document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextInserted, m_offset, m_text.length());
     63 }
     64 
     65 void InsertIntoTextNodeCommand::doUnapply()
     66 {
     67     if (!m_node->rendererIsEditable())
     68         return;
     69 
     70     // Need to notify this before actually deleting the text
     71     if (AXObjectCache::accessibilityEnabled())
     72         document()->axObjectCache()->nodeTextChangeNotification(m_node->renderer(), AXObjectCache::AXTextDeleted, m_offset, m_text.length());
     73 
     74     ExceptionCode ec;
     75     m_node->deleteData(m_offset, m_text.length(), ec);
     76 }
     77 
     78 } // namespace WebCore
     79