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diff --git a/base/mac/mac_util.h b/base/mac/mac_util.h
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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.
+
+#ifndef BASE_MAC_MAC_UTIL_H_
+#define BASE_MAC_MAC_UTIL_H_
+
+#include <AvailabilityMacros.h>
+#include <Carbon/Carbon.h>
+#include <string>
+
+#include "base/base_export.h"
+#include "base/logging.h"
+
+// TODO(rohitrao): Clean up sites that include mac_util.h and remove this line.
+#include "base/mac/foundation_util.h"
+
+#if defined(__OBJC__)
+#import <Foundation/Foundation.h>
+#else // __OBJC__
+class NSImage;
+#endif // __OBJC__
+
+namespace base {
+
+class FilePath;
+
+namespace mac {
+
+// Full screen modes, in increasing order of priority. More permissive modes
+// take predecence.
+enum FullScreenMode {
+ kFullScreenModeHideAll = 0,
+ kFullScreenModeHideDock = 1,
+ kFullScreenModeAutoHideAll = 2,
+ kNumFullScreenModes = 3,
+
+ // kFullScreenModeNormal is not a valid FullScreenMode, but it is useful to
+ // other classes, so we include it here.
+ kFullScreenModeNormal = 10,
+};
+
+BASE_EXPORT std::string PathFromFSRef(const FSRef& ref);
+BASE_EXPORT bool FSRefFromPath(const std::string& path, FSRef* ref);
+
+// Returns an sRGB color space. The return value is a static value; do not
+// release it!
+BASE_EXPORT CGColorSpaceRef GetSRGBColorSpace();
+
+// Returns the generic RGB color space. The return value is a static value; do
+// not release it!
+BASE_EXPORT CGColorSpaceRef GetGenericRGBColorSpace();
+
+// Returns the color space being used by the main display. The return value
+// is a static value; do not release it!
+BASE_EXPORT CGColorSpaceRef GetSystemColorSpace();
+
+// Add a full screen request for the given |mode|. Must be paired with a
+// ReleaseFullScreen() call for the same |mode|. This does not by itself create
+// a fullscreen window; rather, it manages per-application state related to
+// hiding the dock and menubar. Must be called on the main thread.
+BASE_EXPORT void RequestFullScreen(FullScreenMode mode);
+
+// Release a request for full screen mode. Must be matched with a
+// RequestFullScreen() call for the same |mode|. As with RequestFullScreen(),
+// this does not affect windows directly, but rather manages per-application
+// state. For example, if there are no other outstanding
+// |kFullScreenModeAutoHideAll| requests, this will reshow the menu bar. Must
+// be called on main thread.
+BASE_EXPORT void ReleaseFullScreen(FullScreenMode mode);
+
+// Convenience method to switch the current fullscreen mode. This has the same
+// net effect as a ReleaseFullScreen(from_mode) call followed immediately by a
+// RequestFullScreen(to_mode). Must be called on the main thread.
+BASE_EXPORT void SwitchFullScreenModes(FullScreenMode from_mode,
+ FullScreenMode to_mode);
+
+// Set the visibility of the cursor.
+BASE_EXPORT void SetCursorVisibility(bool visible);
+
+// Should windows miniaturize on a double-click (on the title bar)?
+BASE_EXPORT bool ShouldWindowsMiniaturizeOnDoubleClick();
+
+// Activates the process with the given PID.
+BASE_EXPORT void ActivateProcess(pid_t pid);
+
+// Returns true if this process is in the foreground, meaning that it's the
+// frontmost process, the one whose menu bar is shown at the top of the main
+// display.
+BASE_EXPORT bool AmIForeground();
+
+// Excludes the file given by |file_path| from being backed up by Time Machine.
+BASE_EXPORT bool SetFileBackupExclusion(const FilePath& file_path);
+
+// Checks if the current application is set as a Login Item, so it will launch
+// on Login. If a non-NULL pointer to is_hidden is passed, the Login Item also
+// is queried for the 'hide on launch' flag.
+BASE_EXPORT bool CheckLoginItemStatus(bool* is_hidden);
+
+// Adds current application to the set of Login Items with specified "hide"
+// flag. This has the same effect as adding/removing the application in
+// SystemPreferences->Accounts->LoginItems or marking Application in the Dock
+// as "Options->Open on Login".
+// Does nothing if the application is already set up as Login Item with
+// specified hide flag.
+BASE_EXPORT void AddToLoginItems(bool hide_on_startup);
+
+// Removes the current application from the list Of Login Items.
+BASE_EXPORT void RemoveFromLoginItems();
+
+// Returns true if the current process was automatically launched as a
+// 'Login Item' or via Lion's Resume. Used to suppress opening windows.
+BASE_EXPORT bool WasLaunchedAsLoginOrResumeItem();
+
+// Returns true if the current process was automatically launched as a
+// 'Login Item' or via Resume, and the 'Reopen windows when logging back in'
+// checkbox was selected by the user. This indicates that the previous
+// session should be restored.
+BASE_EXPORT bool WasLaunchedAsLoginItemRestoreState();
+
+// Returns true if the current process was automatically launched as a
+// 'Login Item' with 'hide on startup' flag. Used to suppress opening windows.
+BASE_EXPORT bool WasLaunchedAsHiddenLoginItem();
+
+// Remove the quarantine xattr from the given file. Returns false if there was
+// an error, or true otherwise.
+BASE_EXPORT bool RemoveQuarantineAttribute(const FilePath& file_path);
+
+// Run-time OS version checks. Use these instead of
+// base::SysInfo::OperatingSystemVersionNumbers. Prefer the "OrEarlier" and
+// "OrLater" variants to those that check for a specific version, unless you
+// know for sure that you need to check for a specific version.
+
+// Snow Leopard is Mac OS X 10.6, Darwin 10.
+BASE_EXPORT bool IsOSSnowLeopard();
+
+// Lion is Mac OS X 10.7, Darwin 11.
+BASE_EXPORT bool IsOSLion();
+BASE_EXPORT bool IsOSLionOrEarlier();
+BASE_EXPORT bool IsOSLionOrLater();
+
+// Mountain Lion is Mac OS X 10.8, Darwin 12.
+BASE_EXPORT bool IsOSMountainLion();
+BASE_EXPORT bool IsOSMountainLionOrEarlier();
+BASE_EXPORT bool IsOSMountainLionOrLater();
+
+// Mavericks is Mac OS X 10.9, Darwin 13.
+BASE_EXPORT bool IsOSMavericks();
+BASE_EXPORT bool IsOSMavericksOrEarlier();
+BASE_EXPORT bool IsOSMavericksOrLater();
+
+// Yosemite is Mac OS X 10.10, Darwin 14.
+BASE_EXPORT bool IsOSYosemite();
+BASE_EXPORT bool IsOSYosemiteOrLater();
+
+// This should be infrequently used. It only makes sense to use this to avoid
+// codepaths that are very likely to break on future (unreleased, untested,
+// unborn) OS releases, or to log when the OS is newer than any known version.
+BASE_EXPORT bool IsOSLaterThanYosemite_DontCallThis();
+
+// Inline functions that are redundant due to version ranges being mutually-
+// exclusive.
+inline bool IsOSLionOrEarlier() { return !IsOSMountainLionOrLater(); }
+inline bool IsOSMountainLionOrEarlier() { return !IsOSMavericksOrLater(); }
+inline bool IsOSMavericksOrEarlier() { return !IsOSYosemiteOrLater(); }
+
+// When the deployment target is set, the code produced cannot run on earlier
+// OS releases. That enables some of the IsOS* family to be implemented as
+// constant-value inline functions. The MAC_OS_X_VERSION_MIN_REQUIRED macro
+// contains the value of the deployment target.
+
+#if defined(MAC_OS_X_VERSION_10_7) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7
+#define BASE_MAC_MAC_UTIL_H_INLINED_GE_10_7
+inline bool IsOSSnowLeopard() { return false; }
+inline bool IsOSLionOrLater() { return true; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_7) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_7
+#define BASE_MAC_MAC_UTIL_H_INLINED_GT_10_7
+inline bool IsOSLion() { return false; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_8) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_8
+#define BASE_MAC_MAC_UTIL_H_INLINED_GE_10_8
+inline bool IsOSMountainLionOrLater() { return true; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_8) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_8
+#define BASE_MAC_MAC_UTIL_H_INLINED_GT_10_8
+inline bool IsOSMountainLion() { return false; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_9) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_9
+#define BASE_MAC_MAC_UTIL_H_INLINED_GE_10_9
+inline bool IsOSMavericksOrLater() { return true; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_9) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_9
+#define BASE_MAC_MAC_UTIL_H_INLINED_GT_10_9
+inline bool IsOSMavericks() { return false; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_10) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_10
+#define BASE_MAC_MAC_UTIL_H_INLINED_GE_10_10
+inline bool IsOSYosemiteOrLater() { return true; }
+#endif
+
+#if defined(MAC_OS_X_VERSION_10_10) && \
+ MAC_OS_X_VERSION_MIN_REQUIRED > MAC_OS_X_VERSION_10_10
+#define BASE_MAC_MAC_UTIL_H_INLINED_GT_10_10
+inline bool IsOSYosemite() { return false; }
+inline bool IsOSLaterThanYosemite_DontCallThis() { return true; }
+#endif
+
+// Retrieve the system's model identifier string from the IOKit registry:
+// for example, "MacPro4,1", "MacBookPro6,1". Returns empty string upon
+// failure.
+BASE_EXPORT std::string GetModelIdentifier();
+
+// Parse a model identifier string; for example, into ("MacBookPro", 6, 1).
+// If any error occurs, none of the input pointers are touched.
+BASE_EXPORT bool ParseModelIdentifier(const std::string& ident,
+ std::string* type,
+ int32* major,
+ int32* minor);
+
+} // namespace mac
+} // namespace base
+
+#endif // BASE_MAC_MAC_UTIL_H_
