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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 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 "content/common/content_switches_internal.h" | 5 #include "content/common/content_switches_internal.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/command_line.h" | 9 #include "base/command_line.h" |
10 #include "base/metrics/field_trial.h" | 10 #include "base/metrics/field_trial.h" |
11 #include "build/build_config.h" | 11 #include "build/build_config.h" |
12 #include "content/public/common/content_switches.h" | 12 #include "content/public/common/content_switches.h" |
13 | 13 |
14 #if defined(OS_WIN) | 14 #if defined(OS_WIN) |
15 #include "base/win/windows_version.h" | 15 #include "base/win/windows_version.h" |
16 #include "ui/gfx/win/direct_write.h" | 16 #include "ui/gfx/win/direct_write.h" |
17 #endif | 17 #endif |
18 | 18 |
19 namespace content { | 19 namespace content { |
20 | 20 |
21 namespace { | 21 namespace { |
22 | 22 |
23 #if defined(OS_WIN) | |
24 static bool g_win32k_renderer_lockdown_disabled = false; | |
25 #endif | |
26 | |
27 bool IsUseZoomForDSFEnabledByDefault() { | 23 bool IsUseZoomForDSFEnabledByDefault() { |
28 #if defined(OS_CHROMEOS) | 24 #if defined(OS_CHROMEOS) |
29 return true; | 25 return true; |
30 #else | 26 #else |
31 return false; | 27 return false; |
32 #endif | 28 #endif |
33 } | 29 } |
34 | 30 |
35 } // namespace | 31 } // namespace |
36 | 32 |
37 bool IsPinchToZoomEnabled() { | 33 bool IsPinchToZoomEnabled() { |
38 const base::CommandLine& command_line = | 34 const base::CommandLine& command_line = |
39 *base::CommandLine::ForCurrentProcess(); | 35 *base::CommandLine::ForCurrentProcess(); |
40 | 36 |
41 // Enable pinch everywhere unless it's been explicitly disabled. | 37 // Enable pinch everywhere unless it's been explicitly disabled. |
42 return !command_line.HasSwitch(switches::kDisablePinch); | 38 return !command_line.HasSwitch(switches::kDisablePinch); |
43 } | 39 } |
44 | 40 |
45 #if defined(OS_WIN) | 41 #if defined(OS_WIN) |
46 | 42 |
47 void DisableWin32kRendererLockdown() { | |
48 g_win32k_renderer_lockdown_disabled = true; | |
49 } | |
50 | |
51 bool IsWin32kRendererLockdownEnabled() { | 43 bool IsWin32kRendererLockdownEnabled() { |
52 if (g_win32k_renderer_lockdown_disabled) | |
53 return false; | |
54 if (base::win::GetVersion() < base::win::VERSION_WIN8) | 44 if (base::win::GetVersion() < base::win::VERSION_WIN8) |
55 return false; | 45 return false; |
56 if (!gfx::win::ShouldUseDirectWrite()) | 46 if (!gfx::win::ShouldUseDirectWrite()) |
57 return false; | 47 return false; |
58 const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess(); | 48 const base::CommandLine* cmd_line = base::CommandLine::ForCurrentProcess(); |
59 if (cmd_line->HasSwitch(switches::kDisableWin32kRendererLockDown)) | 49 if (cmd_line->HasSwitch(switches::kDisableWin32kRendererLockDown)) |
60 return false; | 50 return false; |
61 return true; | 51 return true; |
62 } | 52 } |
63 | 53 |
(...skipping 24 matching lines...) Expand all Loading... |
88 bool enabled = | 78 bool enabled = |
89 (command_line->HasSwitch(switches::kEnableUseZoomForDSF) || | 79 (command_line->HasSwitch(switches::kEnableUseZoomForDSF) || |
90 use_zoom_for_dsf_enabled_by_default) && | 80 use_zoom_for_dsf_enabled_by_default) && |
91 command_line->GetSwitchValueASCII( | 81 command_line->GetSwitchValueASCII( |
92 switches::kEnableUseZoomForDSF) != "false"; | 82 switches::kEnableUseZoomForDSF) != "false"; |
93 | 83 |
94 return enabled; | 84 return enabled; |
95 } | 85 } |
96 | 86 |
97 } // namespace content | 87 } // namespace content |
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