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| 1 // Copyright (c) 2012 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 #include "ui/aura/x11_atom_cache.h" | |
| 6 | |
| 7 #include <X11/Xatom.h> | |
| 8 | |
| 9 #include "base/message_pump_aurax11.h" | |
| 10 #include "base/memory/scoped_ptr.h" | |
| 11 | |
| 12 namespace aura { | |
| 13 | |
| 14 X11AtomCache::X11AtomCache(Display* xdisplay, const char** to_cache) | |
| 15 : xdisplay_(xdisplay) { | |
| 16 int cache_count = 0; | |
| 17 for (const char** i = to_cache; *i != NULL; i++) | |
| 18 cache_count++; | |
| 19 | |
| 20 scoped_array< ::Atom> cached_atoms(new ::Atom[cache_count]); | |
| 21 | |
| 22 // Grab all the atoms we need now to minimize roundtrips to the X11 server. | |
| 23 XInternAtoms(base::MessagePumpAuraX11::GetDefaultXDisplay(), | |
| 24 const_cast<char**>(to_cache), cache_count, False, | |
| 25 cached_atoms.get()); | |
| 26 | |
| 27 for (int i = 0; i < cache_count; ++i) | |
| 28 cached_atoms_.insert(std::make_pair(to_cache[i], cached_atoms[i])); | |
| 29 } | |
| 30 | |
| 31 X11AtomCache::~X11AtomCache() {} | |
| 32 | |
| 33 ::Atom X11AtomCache::GetAtom(const char* name) const { | |
| 34 std::map<std::string, ::Atom>::const_iterator it = cached_atoms_.find(name); | |
| 35 CHECK(it != cached_atoms_.end()); | |
| 36 return it->second; | |
| 37 } | |
| 38 | |
| 39 } // namespace aura | |
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