third_party/WebKit/Source/web/EditorClientImpl.cpp

   1 /*
   2  * Copyright (C) 2006, 2007 Apple, Inc.  All rights reserved.
   3  * Copyright (C) 2012 Google, Inc.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "config.h"
  28 #include "web/EditorClientImpl.h"
  29
  30 #include "core/editing/SelectionType.h"
  31 #include "public/web/WebContentSettingsClient.h"
  32 #include "public/web/WebFrameClient.h"
  33 #include "public/web/WebViewClient.h"
  34 #include "web/WebLocalFrameImpl.h"
  35 #include "web/WebViewImpl.h"
  36
  37 namespace blink {
  38
  39 EditorClientImpl::EditorClientImpl(WebViewImpl* webview)
  40     : m_webView(webview)
  41 {
  42 }
  43
  44 EditorClientImpl::~EditorClientImpl()
  45 {
  46 }
  47
  48 void EditorClientImpl::respondToChangedSelection(LocalFrame* frame, SelectionType selectionType)
  49 {
  50     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
  51     if (webFrame->client())
  52         webFrame->client()->didChangeSelection(selectionType != RangeSelection);
  53 }
  54
  55 void EditorClientImpl::respondToChangedContents()
  56 {
  57     if (m_webView->client())
  58         m_webView->client()->didChangeContents();
  59 }
  60
  61 bool EditorClientImpl::canCopyCut(LocalFrame* frame, bool defaultValue) const
  62 {
  63     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
  64     if (!webFrame->contentSettingsClient())
  65         return defaultValue;
  66     return webFrame->contentSettingsClient()->allowWriteToClipboard(defaultValue);
  67 }
  68
  69 bool EditorClientImpl::canPaste(LocalFrame* frame, bool defaultValue) const
  70 {
  71     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
  72     if (!webFrame->contentSettingsClient())
  73         return defaultValue;
  74     return webFrame->contentSettingsClient()->allowReadFromClipboard(defaultValue);
  75 }
  76
  77 bool EditorClientImpl::handleKeyboardEvent()
  78 {
  79     return m_webView->client() && m_webView->client()->handleCurrentKeyboardEvent();
  80 }
  81
  82 } // namespace blink