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      1 /*
      2  * Copyright (c) 2008, 2009, Google 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef ChromiumDataObjectLegacy_h
     32 #define ChromiumDataObjectLegacy_h
     33 
     34 #include "Clipboard.h"
     35 #include "KURL.h"
     36 #include "PlatformString.h"
     37 #include "SharedBuffer.h"
     38 #include <wtf/HashSet.h>
     39 #include <wtf/RefPtr.h>
     40 #include <wtf/Vector.h>
     41 #include <wtf/text/StringHash.h>
     42 
     43 namespace WebCore {
     44 
     45 // A data object for holding data that would be in a clipboard or moved
     46 // during a drag-n-drop operation.  This is the data that WebCore is aware
     47 // of and is not specific to a platform.
     48 class ChromiumDataObjectLegacy : public RefCounted<ChromiumDataObjectLegacy> {
     49 public:
     50     static PassRefPtr<ChromiumDataObjectLegacy> create(Clipboard::ClipboardType clipboardType)
     51     {
     52         return adoptRef(new ChromiumDataObjectLegacy(clipboardType));
     53     }
     54 
     55     PassRefPtr<ChromiumDataObjectLegacy> copy() const
     56     {
     57         return adoptRef(new ChromiumDataObjectLegacy(*this));
     58     }
     59 
     60     void clearData(const String& type);
     61     void clearAll();
     62     void clearAllExceptFiles();
     63 
     64     bool hasData() const;
     65 
     66     HashSet<String> types() const;
     67     String getData(const String& type, bool& success);
     68     bool setData(const String& type, const String& data);
     69 
     70     // Special handlers for URL/HTML metadata.
     71     String urlTitle() const { return m_urlTitle; }
     72     void setUrlTitle(const String& urlTitle) { m_urlTitle = urlTitle; }
     73     KURL htmlBaseUrl() const { return m_htmlBaseUrl; }
     74     void setHtmlBaseUrl(const KURL& url) { m_htmlBaseUrl = url; }
     75 
     76     // Used to handle files being dragged in.
     77     bool containsFilenames() const { return !m_filenames.isEmpty(); }
     78     Vector<String> filenames() const { return m_filenames; }
     79     void setFilenames(const Vector<String>& filenames) { m_filenames = filenames; }
     80 
     81     // Used to handle files (images) being dragged out.
     82     String fileExtension() const { return m_fileExtension; }
     83     void setFileExtension(const String& fileExtension) { m_fileExtension = fileExtension; }
     84     String fileContentFilename() const { return m_fileContentFilename; }
     85     void setFileContentFilename(const String& fileContentFilename) { m_fileContentFilename = fileContentFilename; }
     86     PassRefPtr<SharedBuffer> fileContent() const { return m_fileContent; }
     87     void setFileContent(PassRefPtr<SharedBuffer> fileContent) { m_fileContent = fileContent; }
     88 
     89 private:
     90     ChromiumDataObjectLegacy(Clipboard::ClipboardType);
     91     ChromiumDataObjectLegacy(const ChromiumDataObjectLegacy&);
     92 
     93     Clipboard::ClipboardType m_clipboardType;
     94 
     95     String m_urlTitle;
     96 
     97     String m_downloadMetadata;
     98 
     99     String m_fileExtension;
    100     Vector<String> m_filenames;
    101 
    102     String m_plainText;
    103 
    104     String m_textHtml;
    105     KURL m_htmlBaseUrl;
    106 
    107     String m_fileContentFilename;
    108     RefPtr<SharedBuffer> m_fileContent;
    109 
    110     // These two are linked. Setting m_url will set m_uriList to the same
    111     // string value; setting m_uriList will cause its contents to be parsed
    112     // according to RFC 2483 and the first URL found will be set in m_url.
    113     KURL m_url;
    114     String m_uriList;
    115 };
    116 
    117 } // namespace WebCore
    118 
    119 #endif
    120