blob: 1236c3aa196bd692f95d3b2980dd94989d02a5d9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
// Copyright (c) 2012 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_AURA_X11_ATOM_CACHE_H_
#define UI_AURA_X11_ATOM_CACHE_H_
#include "base/basictypes.h"
#include "ui/aura/aura_export.h"
#include <X11/Xlib.h>
#include <map>
#include <string>
// Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
#undef RootWindow
namespace aura {
// Pre-caches all Atoms on first use to minimize roundtrips to the X11
// server. Assumes that we only have a single X11 display,
// base::MessagePumpX::GetDefaultXDisplay().
class AURA_EXPORT X11AtomCache {
public:
// Preinterns the NULL terminated list of string |to_cache_ on |xdisplay|.
X11AtomCache(Display* xdisplay, const char** to_cache);
~X11AtomCache();
// Returns the pre-interned Atom without having to go to the x server.
::Atom GetAtom(const char*) const;
private:
Display* xdisplay_;
std::map<std::string, ::Atom> cached_atoms_;
DISALLOW_COPY_AND_ASSIGN(X11AtomCache);
};
} // namespace aura
#endif // UI_AURA_ATOM_CACHE_H_
|
