| // Copyright (c) 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef UI_BASE_X_SELECTION_UTILS_H_ |
| #define UI_BASE_X_SELECTION_UTILS_H_ |
| |
| #include <stddef.h> |
| #include <map> |
| |
| #include "base/component_export.h" |
| #include "base/memory/ref_counted_memory.h" |
| #include "ui/gfx/x/x11.h" |
| |
| namespace ui { |
| class SelectionData; |
| |
| // Returns a list of all text atoms that we handle. |
| COMPONENT_EXPORT(UI_BASE_X) std::vector<x11::Atom> GetTextAtomsFrom(); |
| |
| COMPONENT_EXPORT(UI_BASE_X) std::vector<x11::Atom> GetURLAtomsFrom(); |
| |
| COMPONENT_EXPORT(UI_BASE_X) std::vector<x11::Atom> GetURIListAtomsFrom(); |
| |
| // Places the intersection of |desired| and |offered| into |output|. |
| COMPONENT_EXPORT(UI_BASE_X) |
| void GetAtomIntersection(const std::vector<x11::Atom>& desired, |
| const std::vector<x11::Atom>& offered, |
| std::vector<x11::Atom>* output); |
| |
| // Takes the raw bytes of the base::string16 and copies them into |bytes|. |
| COMPONENT_EXPORT(UI_BASE_X) |
| void AddString16ToVector(const base::string16& str, |
| std::vector<unsigned char>* bytes); |
| |
| // Tokenizes and parses the Selection Data as if it is a URI List. |
| COMPONENT_EXPORT(UI_BASE_X) |
| std::vector<std::string> ParseURIList(const SelectionData& data); |
| |
| COMPONENT_EXPORT(UI_BASE_X) |
| std::string RefCountedMemoryToString( |
| const scoped_refptr<base::RefCountedMemory>& memory); |
| |
| COMPONENT_EXPORT(UI_BASE_X) |
| base::string16 RefCountedMemoryToString16( |
| const scoped_refptr<base::RefCountedMemory>& memory); |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| // Represents the selection in different data formats. Binary data passed in is |
| // assumed to be allocated with new char[], and is owned by SelectionFormatMap. |
| class COMPONENT_EXPORT(UI_BASE_X) SelectionFormatMap { |
| public: |
| // Our internal data store, which we only expose through iterators. |
| using InternalMap = |
| std::map<x11::Atom, scoped_refptr<base::RefCountedMemory>>; |
| using const_iterator = InternalMap::const_iterator; |
| |
| SelectionFormatMap(); |
| SelectionFormatMap(const SelectionFormatMap& other); |
| ~SelectionFormatMap(); |
| // Copy and assignment deliberately open. |
| |
| // Adds the selection in the format |atom|. Ownership of |data| is passed to |
| // us. |
| void Insert(x11::Atom atom, |
| const scoped_refptr<base::RefCountedMemory>& item); |
| |
| // Returns the first of the requested_types or NULL if missing. |
| ui::SelectionData GetFirstOf( |
| const std::vector<x11::Atom>& requested_types) const; |
| |
| // Returns all the selected types. |
| std::vector<x11::Atom> GetTypes() const; |
| |
| // Pass through to STL map. Only allow non-mutation access. |
| const_iterator begin() const { return data_.begin(); } |
| const_iterator end() const { return data_.end(); } |
| const_iterator find(x11::Atom atom) const { return data_.find(atom); } |
| size_t size() const { return data_.size(); } |
| |
| private: |
| InternalMap data_; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| // A holder for data with optional X11 deletion semantics. |
| class COMPONENT_EXPORT(UI_BASE_X) SelectionData { |
| public: |
| // |atom_cache| is still owned by caller. |
| SelectionData(); |
| SelectionData(x11::Atom type, |
| const scoped_refptr<base::RefCountedMemory>& memory); |
| SelectionData(const SelectionData& rhs); |
| ~SelectionData(); |
| SelectionData& operator=(const SelectionData& rhs); |
| |
| bool IsValid() const; |
| x11::Atom GetType() const; |
| const unsigned char* GetData() const; |
| size_t GetSize() const; |
| |
| // If |type_| is a string type, convert the data to UTF8 and return it. |
| std::string GetText() const; |
| |
| // If |type_| is the HTML type, returns the data as a string16. This detects |
| // guesses the character encoding of the source. |
| base::string16 GetHtml() const; |
| |
| // Assigns the raw data to the string. |
| void AssignTo(std::string* result) const; |
| void AssignTo(base::string16* result) const; |
| |
| private: |
| x11::Atom type_; |
| scoped_refptr<base::RefCountedMemory> memory_; |
| }; |
| |
| } // namespace ui |
| |
| #endif // UI_BASE_X_SELECTION_UTILS_H_ |