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      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 "core/editing/InsertIntoTextNodeCommand.h"
     28 
     29 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
     30 #include "core/dom/Document.h"
     31 #include "core/dom/Text.h"
     32 #include "core/frame/Settings.h"
     33 #include "core/rendering/RenderText.h"
     34 
     35 namespace blink {
     36 
     37 InsertIntoTextNodeCommand::InsertIntoTextNodeCommand(PassRefPtrWillBeRawPtr<Text> node, unsigned offset, const String& text)
     38     : SimpleEditCommand(node->document())
     39     , m_node(node)
     40     , m_offset(offset)
     41     , m_text(text)
     42 {
     43     ASSERT(m_node);
     44     ASSERT(m_offset <= m_node->length());
     45     ASSERT(!m_text.isEmpty());
     46 }
     47 
     48 void InsertIntoTextNodeCommand::doApply()
     49 {
     50     bool passwordEchoEnabled = document().settings() && document().settings()->passwordEchoEnabled();
     51     if (passwordEchoEnabled)
     52         document().updateLayoutIgnorePendingStylesheets();
     53 
     54     if (!m_node->hasEditableStyle())
     55         return;
     56 
     57     if (passwordEchoEnabled) {
     58         RenderText* renderText = m_node->renderer();
     59         if (renderText && renderText->isSecure())
     60             renderText->momentarilyRevealLastTypedCharacter(m_offset + m_text.length() - 1);
     61     }
     62 
     63     m_node->insertData(m_offset, m_text, IGNORE_EXCEPTION, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
     64 }
     65 
     66 void InsertIntoTextNodeCommand::doUnapply()
     67 {
     68     if (!m_node->hasEditableStyle())
     69         return;
     70 
     71     m_node->deleteData(m_offset, m_text.length(), IGNORE_EXCEPTION, CharacterData::DeprecatedRecalcStyleImmediatlelyForEditing);
     72 }
     73 
     74 void InsertIntoTextNodeCommand::trace(Visitor* visitor)
     75 {
     76     visitor->trace(m_node);
     77     SimpleEditCommand::trace(visitor);
     78 }
     79 
     80 } // namespace blink
     81