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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ui/base/cocoa/remote_layer_api.h" | 5 #include "ui/base/cocoa/remote_layer_api.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/mac/mac_util.h" | |
9 #include "ui/base/ui_base_switches.h" | 8 #include "ui/base/ui_base_switches.h" |
10 | 9 |
11 #include <objc/runtime.h> | 10 #include <objc/runtime.h> |
12 | 11 |
13 namespace ui { | 12 namespace ui { |
14 | 13 |
15 bool RemoteLayerAPISupported() { | 14 bool RemoteLayerAPISupported() { |
16 // This API only works on Mac OS 10.9 and later. | |
17 if (!base::mac::IsOSMavericksOrLater()) | |
18 return false; | |
19 | |
20 static bool disabled_at_command_line = | 15 static bool disabled_at_command_line = |
21 base::CommandLine::ForCurrentProcess()->HasSwitch( | 16 base::CommandLine::ForCurrentProcess()->HasSwitch( |
22 switches::kDisableRemoteCoreAnimation); | 17 switches::kDisableRemoteCoreAnimation); |
23 if (disabled_at_command_line) | 18 if (disabled_at_command_line) |
24 return false; | 19 return false; |
25 | 20 |
26 // Verify the GPU process interfaces are present. | 21 // Verify the GPU process interfaces are present. |
27 static Class caContextClass = NSClassFromString(@"CAContext"); | 22 static Class caContextClass = NSClassFromString(@"CAContext"); |
28 if (!caContextClass) | 23 if (!caContextClass) |
29 return false; | 24 return false; |
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47 [caLayerHostClass instancesRespondToSelector:@selector(contextId)] && | 42 [caLayerHostClass instancesRespondToSelector:@selector(contextId)] && |
48 [caLayerHostClass instancesRespondToSelector:@selector(setContextId:)]; | 43 [caLayerHostClass instancesRespondToSelector:@selector(setContextId:)]; |
49 if (!caLayerHostClassValid) | 44 if (!caLayerHostClassValid) |
50 return false; | 45 return false; |
51 | 46 |
52 // If everything is there, we should be able to use the API. | 47 // If everything is there, we should be able to use the API. |
53 return true; | 48 return true; |
54 } | 49 } |
55 | 50 |
56 } // namespace | 51 } // namespace |
57 | |
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