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// 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 <X11/Xlib.h>
// Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
#undef RootWindow
#include <map>
#include "base/basictypes.h"
#include "ui/base/clipboard/clipboard.h"
#include "ui/base/ui_export.h"
#include "ui/base/x/x11_atom_cache.h"
namespace ui {
class X11AtomCache;
extern const char kMimeTypeMozillaURL[];
extern const char kString[];
extern const char kText[];
extern const char kUtf8String[];
// Returns a list of all text atoms that we handle.
UI_EXPORT std::vector< ::Atom> GetTextAtomsFrom(const X11AtomCache* atom_cache);
UI_EXPORT std::vector< ::Atom> GetURLAtomsFrom(const X11AtomCache* atom_cache);
// Places the intersection of |one| and |two| into |output|.
UI_EXPORT void GetAtomIntersection(const std::vector< ::Atom>& one,
const std::vector< ::Atom>& two,
std::vector< ::Atom>* output);
///////////////////////////////////////////////////////////////////////////////
// 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 UI_EXPORT SelectionFormatMap {
public:
// Our internal data store, which we only expose through iterators.
typedef std::map< ::Atom, std::pair<char*, size_t> > InternalMap;
typedef std::map< ::Atom, std::pair<char*, size_t> >::const_iterator
const_iterator;
SelectionFormatMap();
~SelectionFormatMap();
// Adds the selection in the format |atom|. Ownership of |data| is passed to
// us.
void Insert(::Atom atom, char* data, size_t size);
// 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(::Atom atom) const { return data_.find(atom); }
size_t size() const { return data_.size(); }
private:
InternalMap data_;
DISALLOW_COPY_AND_ASSIGN(SelectionFormatMap);
};
///////////////////////////////////////////////////////////////////////////////
// A holder for data with optional X11 deletion semantics.
class UI_EXPORT SelectionData {
public:
// |atom_cache| is still owned by caller.
explicit SelectionData(Display* x_display);
~SelectionData();
::Atom type() const { return type_; }
char* data() const { return data_; }
size_t size() const { return size_; }
void Set(::Atom type, char* data, size_t size, bool owned);
// 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.
string16 GetHtml() const;
// Assigns the raw data to the string.
void AssignTo(std::string* result) const;
void AssignTo(string16* result) const;
private:
::Atom type_;
char* data_;
size_t size_;
bool owned_;
X11AtomCache atom_cache_;
DISALLOW_COPY_AND_ASSIGN(SelectionData);
};
} // namespace ui
#endif // UI_BASE_X_SELECTION_UTILS_H_
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