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// 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.
#include "ui/aura/x11_atom_cache.h"
#include <X11/Xatom.h>
#include "base/message_pump_aurax11.h"
#include "base/memory/scoped_ptr.h"
namespace aura {
X11AtomCache::X11AtomCache(Display* xdisplay, const char** to_cache)
: xdisplay_(xdisplay) {
int cache_count = 0;
for (const char** i = to_cache; *i != NULL; i++)
cache_count++;
scoped_array< ::Atom> cached_atoms(new ::Atom[cache_count]);
// Grab all the atoms we need now to minimize roundtrips to the X11 server.
XInternAtoms(base::MessagePumpAuraX11::GetDefaultXDisplay(),
const_cast<char**>(to_cache), cache_count, False,
cached_atoms.get());
for (int i = 0; i < cache_count; ++i)
cached_atoms_.insert(std::make_pair(to_cache[i], cached_atoms[i]));
}
X11AtomCache::~X11AtomCache() {}
::Atom X11AtomCache::GetAtom(const char* name) const {
std::map<std::string, ::Atom>::const_iterator it = cached_atoms_.find(name);
CHECK(it != cached_atoms_.end());
return it->second;
}
} // namespace aura
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