Color: Rename gfx::ColorProfile to gfx::ColorSpace

ui/gfx/color_space_win.cc

+// 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/gfx/color_space.h"
+
+#include <windows.h>
+#include <stddef.h>
+#include <map>
+
+#include "base/files/file_util.h"
+#include "base/lazy_instance.h"
+#include "base/macros.h"
+#include "base/synchronization/lock.h"
+
+namespace gfx {
+
+namespace {
+
+void ReadBestMonitorICCProfile(std::vector<char>* profile) {
+  HDC screen_dc = GetDC(NULL);
+  DWORD path_len = MAX_PATH;
+  WCHAR path[MAX_PATH + 1];
+
+  BOOL result = GetICMProfile(screen_dc, &path_len, path);
+  ReleaseDC(NULL, screen_dc);
+  if (!result)
+    return;
+  std::string profile_data;
+  if (!base::ReadFileToString(base::FilePath(path), &profile_data))
+    return;
+  size_t length = profile_data.size();
+  if (!ColorSpace::IsValidProfileLength(length))
+    return;
+  profile->assign(profile_data.data(), profile_data.data() + length);
+}
+
+base::LazyInstance<base::Lock> g_best_monitor_color_space_lock =
+    LAZY_INSTANCE_INITIALIZER;
+base::LazyInstance<gfx::ColorSpace> g_best_monitor_color_space =
+    LAZY_INSTANCE_INITIALIZER;
+bool g_has_initialized_best_monitor_color_space = false;
+
+}  // namespace
+
+// static
+ColorSpace ColorSpace::FromBestMonitor() {
+  base::AutoLock lock(g_best_monitor_color_space_lock.Get());
+  return g_best_monitor_color_space.Get();
+}
+
+// static
+bool ColorSpace::CachedProfilesNeedUpdate() {
+  base::AutoLock lock(g_best_monitor_color_space_lock.Get());
+  return !g_has_initialized_best_monitor_color_space;
+}
+
+// static
+void ColorSpace::UpdateCachedProfilesOnBackgroundThread() {
+  std::vector<char> icc_profile;
+  ReadBestMonitorICCProfile(&icc_profile);
+
+  base::AutoLock lock(g_best_monitor_color_space_lock.Get());
+  g_best_monitor_color_space.Get().icc_profile_ = icc_profile;
+  g_has_initialized_best_monitor_color_space = true;
+}
+
+}  // namespace gfx