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      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/WebFrameClient.h"
     32 #include "public/web/WebPermissionClient.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->permissionClient())
     65         return defaultValue;
     66     return webFrame->permissionClient()->allowWriteToClipboard(defaultValue);
     67 }
     68 
     69 bool EditorClientImpl::canPaste(LocalFrame* frame, bool defaultValue) const
     70 {
     71     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(frame);
     72     if (!webFrame->permissionClient())
     73         return defaultValue;
     74     return webFrame->permissionClient()->allowReadFromClipboard(defaultValue);
     75 }
     76 
     77 bool EditorClientImpl::handleKeyboardEvent()
     78 {
     79     return m_webView->client() && m_webView->client()->handleCurrentKeyboardEvent();
     80 }
     81 
     82 } // namespace blink
     83