1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef UI_BASE_X_SELECTION_UTILS_H_ 6 #define UI_BASE_X_SELECTION_UTILS_H_ 7 8 #include <X11/Xlib.h> 9 10 // Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class. 11 #undef RootWindow 12 13 #include <map> 14 15 #include "base/basictypes.h" 16 #include "base/memory/ref_counted_memory.h" 17 #include "ui/base/clipboard/clipboard.h" 18 #include "ui/base/ui_base_export.h" 19 #include "ui/gfx/x/x11_atom_cache.h" 20 21 namespace ui { 22 class SelectionData; 23 class X11AtomCache; 24 25 extern const char kMimeTypeMozillaURL[]; 26 extern const char kString[]; 27 extern const char kText[]; 28 extern const char kUtf8String[]; 29 30 // Returns a list of all text atoms that we handle. 31 UI_BASE_EXPORT std::vector< ::Atom> GetTextAtomsFrom( 32 const X11AtomCache* atom_cache); 33 34 UI_BASE_EXPORT std::vector< ::Atom> GetURLAtomsFrom( 35 const X11AtomCache* atom_cache); 36 37 UI_BASE_EXPORT std::vector< ::Atom> GetURIListAtomsFrom( 38 const X11AtomCache* atom_cache); 39 40 // Places the intersection of |desired| and |offered| into |output|. 41 UI_BASE_EXPORT void GetAtomIntersection(const std::vector< ::Atom>& desired, 42 const std::vector< ::Atom>& offered, 43 std::vector< ::Atom>* output); 44 45 // Takes the raw bytes of the base::string16 and copies them into |bytes|. 46 UI_BASE_EXPORT void AddString16ToVector(const base::string16& str, 47 std::vector<unsigned char>* bytes); 48 49 // Tokenizes and parses the Selection Data as if it is a URI List. 50 UI_BASE_EXPORT std::vector<std::string> ParseURIList(const SelectionData& data); 51 52 UI_BASE_EXPORT std::string RefCountedMemoryToString( 53 const scoped_refptr<base::RefCountedMemory>& memory); 54 55 UI_BASE_EXPORT base::string16 RefCountedMemoryToString16( 56 const scoped_refptr<base::RefCountedMemory>& memory); 57 58 /////////////////////////////////////////////////////////////////////////////// 59 60 // Represents the selection in different data formats. Binary data passed in is 61 // assumed to be allocated with new char[], and is owned by SelectionFormatMap. 62 class UI_BASE_EXPORT SelectionFormatMap { 63 public: 64 // Our internal data store, which we only expose through iterators. 65 typedef std::map< ::Atom, scoped_refptr<base::RefCountedMemory> > InternalMap; 66 typedef InternalMap::const_iterator const_iterator; 67 68 SelectionFormatMap(); 69 ~SelectionFormatMap(); 70 // Copy and assignment deliberately open. 71 72 // Adds the selection in the format |atom|. Ownership of |data| is passed to 73 // us. 74 void Insert(::Atom atom, const scoped_refptr<base::RefCountedMemory>& item); 75 76 // Returns the first of the requested_types or NULL if missing. 77 ui::SelectionData GetFirstOf( 78 const std::vector< ::Atom>& requested_types) const; 79 80 // Returns all the selected types. 81 std::vector< ::Atom> GetTypes() const; 82 83 // Pass through to STL map. Only allow non-mutation access. begin()84 const_iterator begin() const { return data_.begin(); } end()85 const_iterator end() const { return data_.end(); } find(::Atom atom)86 const_iterator find(::Atom atom) const { return data_.find(atom); } size()87 size_t size() const { return data_.size(); } 88 89 private: 90 InternalMap data_; 91 }; 92 93 /////////////////////////////////////////////////////////////////////////////// 94 95 // A holder for data with optional X11 deletion semantics. 96 class UI_BASE_EXPORT SelectionData { 97 public: 98 // |atom_cache| is still owned by caller. 99 SelectionData(); 100 SelectionData(::Atom type, 101 const scoped_refptr<base::RefCountedMemory>& memory); 102 SelectionData(const SelectionData& rhs); 103 ~SelectionData(); 104 SelectionData& operator=(const SelectionData& rhs); 105 106 bool IsValid() const; 107 ::Atom GetType() const; 108 const unsigned char* GetData() const; 109 size_t GetSize() const; 110 111 // If |type_| is a string type, convert the data to UTF8 and return it. 112 std::string GetText() const; 113 114 // If |type_| is the HTML type, returns the data as a string16. This detects 115 // guesses the character encoding of the source. 116 base::string16 GetHtml() const; 117 118 // Assigns the raw data to the string. 119 void AssignTo(std::string* result) const; 120 void AssignTo(base::string16* result) const; 121 122 private: 123 ::Atom type_; 124 scoped_refptr<base::RefCountedMemory> memory_; 125 126 X11AtomCache atom_cache_; 127 }; 128 129 } // namespace ui 130 131 #endif // UI_BASE_X_SELECTION_UTILS_H_ 132