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 ChromiumDataObject_h 32 #define ChromiumDataObject_h 33 34 #include "core/platform/chromium/ChromiumDataObjectItem.h" 35 #include "platform/PasteMode.h" 36 #include "platform/Supplementable.h" 37 #include "wtf/ListHashSet.h" 38 #include "wtf/RefCounted.h" 39 #include "wtf/RefPtr.h" 40 #include "wtf/text/StringHash.h" 41 #include "wtf/text/WTFString.h" 42 #include "wtf/Vector.h" 43 44 namespace WebCore { 45 46 class KURL; 47 class SharedBuffer; 48 49 // A data object for holding data that would be in a clipboard or moved 50 // during a drag-n-drop operation. This is the data that WebCore is aware 51 // of and is not specific to a platform. 52 class ChromiumDataObject : public RefCounted<ChromiumDataObject>, public Supplementable<ChromiumDataObject> { 53 public: 54 static PassRefPtr<ChromiumDataObject> createFromPasteboard(PasteMode); 55 static PassRefPtr<ChromiumDataObject> create(); 56 57 PassRefPtr<ChromiumDataObject> copy() const; 58 59 // DataTransferItemList support. 60 size_t length() const; 61 PassRefPtr<ChromiumDataObjectItem> item(unsigned long index); 62 // FIXME: Implement V8DataTransferItemList::indexedPropertyDeleter to get this called. 63 void deleteItem(unsigned long index); 64 void clearAll(); 65 // Returns null if an item already exists with the provided type. 66 PassRefPtr<ChromiumDataObjectItem> add(const String& data, const String& type); 67 PassRefPtr<ChromiumDataObjectItem> add(PassRefPtr<File>); 68 69 // WebCore helpers. 70 void clearData(const String& type); 71 void clearAllExceptFiles(); 72 73 ListHashSet<String> types() const; 74 String getData(const String& type) const; 75 bool setData(const String& type, const String& data); 76 77 void urlAndTitle(String& url, String* title = 0) const; 78 void setURLAndTitle(const String& url, const String& title); 79 void htmlAndBaseURL(String& html, KURL& baseURL) const; 80 void setHTMLAndBaseURL(const String& html, const KURL& baseURL); 81 82 // Used for dragging in files from the desktop. 83 bool containsFilenames() const; 84 Vector<String> filenames() const; 85 void addFilename(const String& filename, const String& displayName); 86 87 // Used to handle files (images) being dragged out. 88 void addSharedBuffer(const String& name, PassRefPtr<SharedBuffer>); 89 modifierKeyState()90 int modifierKeyState() const { return m_modifierKeyState; } setModifierKeyState(int modifierKeyState)91 void setModifierKeyState(int modifierKeyState) { m_modifierKeyState = modifierKeyState; } 92 93 private: 94 ChromiumDataObject(); 95 explicit ChromiumDataObject(const ChromiumDataObject&); 96 97 PassRefPtr<ChromiumDataObjectItem> findStringItem(const String& type) const; 98 bool internalAddStringItem(PassRefPtr<ChromiumDataObjectItem>); 99 void internalAddFileItem(PassRefPtr<ChromiumDataObjectItem>); 100 101 Vector<RefPtr<ChromiumDataObjectItem> > m_itemList; 102 103 // State of Shift/Ctrl/Alt/Meta keys. 104 int m_modifierKeyState; 105 }; 106 107 } // namespace WebCore 108 109 #endif 110