third_party/WebKit/Source/core/editing/InsertIntoTextNodeCommand.cpp

   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/layout/LayoutText.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         LayoutText* layoutText = m_node->layoutObject();
  59         if (layoutText && layoutText->isSecure())
  60             layoutText->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 DEFINE_TRACE(InsertIntoTextNodeCommand)
  75 {
  76     visitor->trace(m_node);
  77     SimpleEditCommand::trace(visitor);
  78 }
  79
  80 } // namespace blink