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1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "content/browser/theme_helper_mac.h" | |
6 | |
7 #include <Foundation/Foundation.h> | |
8 | |
9 #include "content/common/view_messages.h" | |
10 #include "content/public/browser/browser_thread.h" | |
11 #include "content/public/browser/notification_service.h" | |
12 #include "content/public/browser/notification_types.h" | |
13 #include "content/public/browser/render_process_host.h" | |
14 #include "content/public/common/process_type.h" | |
jam
2013/11/06 22:34:43
nit: not needed now
Avi (use Gerrit)
2013/11/07 15:47:52
Done.
| |
15 | |
16 @interface ScrollbarPrefsObserver : NSObject | |
17 | |
18 + (void)registerAsObserver; | |
19 + (void)appearancePrefsChanged:(NSNotification*)notification; | |
20 + (void)behaviorPrefsChanged:(NSNotification*)notification; | |
21 + (void)notifyPrefsChangedWithRedraw:(BOOL)redraw; | |
22 | |
23 @end | |
24 | |
25 @implementation ScrollbarPrefsObserver | |
26 | |
27 + (void)registerAsObserver { | |
28 [[NSDistributedNotificationCenter defaultCenter] | |
29 addObserver:self | |
30 selector:@selector(appearancePrefsChanged:) | |
31 name:@"AppleAquaScrollBarVariantChanged" | |
32 object:nil | |
33 suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately]; | |
34 | |
35 [[NSDistributedNotificationCenter defaultCenter] | |
36 addObserver:self | |
37 selector:@selector(behaviorPrefsChanged:) | |
38 name:@"AppleNoRedisplayAppearancePreferenceChanged" | |
39 object:nil | |
40 suspensionBehavior:NSNotificationSuspensionBehaviorCoalesce]; | |
41 } | |
42 | |
43 + (void)appearancePrefsChanged:(NSNotification*)notification { | |
44 [self notifyPrefsChangedWithRedraw:YES]; | |
45 } | |
46 | |
47 + (void)behaviorPrefsChanged:(NSNotification*)notification { | |
48 [self notifyPrefsChangedWithRedraw:NO]; | |
49 } | |
50 | |
51 + (void)notifyPrefsChangedWithRedraw:(BOOL)redraw { | |
52 DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); | |
53 NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; | |
54 [defaults synchronize]; | |
55 | |
56 content::ThemeHelperMac::SendThemeChangeToAllRenderers( | |
57 [defaults floatForKey:@"NSScrollerButtonDelay"], | |
58 [defaults floatForKey:@"NSScrollerButtonPeriod"], | |
59 [defaults boolForKey:@"AppleScrollerPagingBehavior"], | |
60 redraw); | |
61 } | |
62 | |
63 @end | |
64 | |
65 namespace content { | |
66 | |
67 ThemeHelperMac::ThemeHelperMac() { | |
68 [ScrollbarPrefsObserver registerAsObserver]; | |
69 registrar_.Add(this, | |
70 NOTIFICATION_RENDERER_PROCESS_CREATED, | |
71 NotificationService::AllSources()); | |
72 } | |
73 | |
74 ThemeHelperMac::~ThemeHelperMac() { | |
75 } | |
76 | |
77 // static | |
78 ThemeHelperMac* ThemeHelperMac::GetInstance() { | |
79 return Singleton<ThemeHelperMac, | |
80 LeakySingletonTraits<ThemeHelperMac> >::get(); | |
81 } | |
82 | |
83 | |
84 void ThemeHelperMac::Observe(int type, | |
85 const NotificationSource& source, | |
86 const NotificationDetails& details) { | |
87 DCHECK_EQ(NOTIFICATION_RENDERER_PROCESS_CREATED, type); | |
88 | |
89 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
90 NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; | |
91 [defaults synchronize]; | |
92 | |
93 RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr(); | |
94 rph->Send(new ViewMsg_UpdateScrollbarTheme( | |
95 [defaults floatForKey:@"NSScrollerButtonDelay"], | |
96 [defaults floatForKey:@"NSScrollerButtonPeriod"], | |
97 [defaults boolForKey:@"AppleScrollerPagingBehavior"], | |
98 false)); | |
99 } | |
100 | |
101 // static | |
102 void ThemeHelperMac::SendThemeChangeToAllRenderers( | |
103 float initial_button_delay, | |
104 float autoscroll_button_delay, | |
105 bool jump_on_track_click, | |
106 bool redraw) { | |
107 for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator()); | |
108 !it.IsAtEnd(); | |
109 it.Advance()) { | |
110 it.GetCurrentValue()->Send(new ViewMsg_UpdateScrollbarTheme( | |
111 initial_button_delay, | |
112 autoscroll_button_delay, | |
113 jump_on_track_click, | |
114 redraw)); | |
115 } | |
116 } | |
117 | |
118 } // namespace content | |
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