Index: content/browser/theme_helper_mac.mm |
diff --git a/content/browser/theme_helper_mac.mm b/content/browser/theme_helper_mac.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..3b952cc79b8e48d39e86bb6e6ce6b72d474d8001 |
--- /dev/null |
+++ b/content/browser/theme_helper_mac.mm |
@@ -0,0 +1,117 @@ |
+// Copyright 2013 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 "content/browser/theme_helper_mac.h" |
+ |
+#include <Foundation/Foundation.h> |
+ |
+#include "content/common/view_messages.h" |
+#include "content/public/browser/browser_thread.h" |
+#include "content/public/browser/notification_service.h" |
+#include "content/public/browser/notification_types.h" |
+#include "content/public/browser/render_process_host.h" |
+ |
+@interface ScrollbarPrefsObserver : NSObject |
+ |
++ (void)registerAsObserver; |
++ (void)appearancePrefsChanged:(NSNotification*)notification; |
++ (void)behaviorPrefsChanged:(NSNotification*)notification; |
++ (void)notifyPrefsChangedWithRedraw:(BOOL)redraw; |
+ |
+@end |
+ |
+@implementation ScrollbarPrefsObserver |
+ |
++ (void)registerAsObserver { |
+ [[NSDistributedNotificationCenter defaultCenter] |
+ addObserver:self |
+ selector:@selector(appearancePrefsChanged:) |
+ name:@"AppleAquaScrollBarVariantChanged" |
+ object:nil |
+suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately]; |
+ |
+ [[NSDistributedNotificationCenter defaultCenter] |
+ addObserver:self |
+ selector:@selector(behaviorPrefsChanged:) |
+ name:@"AppleNoRedisplayAppearancePreferenceChanged" |
+ object:nil |
+suspensionBehavior:NSNotificationSuspensionBehaviorCoalesce]; |
+} |
+ |
++ (void)appearancePrefsChanged:(NSNotification*)notification { |
+ [self notifyPrefsChangedWithRedraw:YES]; |
+} |
+ |
++ (void)behaviorPrefsChanged:(NSNotification*)notification { |
+ [self notifyPrefsChangedWithRedraw:NO]; |
+} |
+ |
++ (void)notifyPrefsChangedWithRedraw:(BOOL)redraw { |
+ DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
+ NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; |
+ [defaults synchronize]; |
+ |
+ content::ThemeHelperMac::SendThemeChangeToAllRenderers( |
+ [defaults floatForKey:@"NSScrollerButtonDelay"], |
+ [defaults floatForKey:@"NSScrollerButtonPeriod"], |
+ [defaults boolForKey:@"AppleScrollerPagingBehavior"], |
+ redraw); |
+} |
+ |
+@end |
+ |
+namespace content { |
+ |
+ThemeHelperMac::ThemeHelperMac() { |
+ [ScrollbarPrefsObserver registerAsObserver]; |
+ registrar_.Add(this, |
+ NOTIFICATION_RENDERER_PROCESS_CREATED, |
+ NotificationService::AllSources()); |
+} |
+ |
+ThemeHelperMac::~ThemeHelperMac() { |
+} |
+ |
+// static |
+ThemeHelperMac* ThemeHelperMac::GetInstance() { |
+ return Singleton<ThemeHelperMac, |
+ LeakySingletonTraits<ThemeHelperMac> >::get(); |
+} |
+ |
+ |
+void ThemeHelperMac::Observe(int type, |
+ const NotificationSource& source, |
+ const NotificationDetails& details) { |
+ DCHECK_EQ(NOTIFICATION_RENDERER_PROCESS_CREATED, type); |
+ |
+ DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
+ NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults]; |
+ [defaults synchronize]; |
+ |
+ RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr(); |
+ rph->Send(new ViewMsg_UpdateScrollbarTheme( |
+ [defaults floatForKey:@"NSScrollerButtonDelay"], |
+ [defaults floatForKey:@"NSScrollerButtonPeriod"], |
+ [defaults boolForKey:@"AppleScrollerPagingBehavior"], |
+ false)); |
+} |
+ |
+// static |
+void ThemeHelperMac::SendThemeChangeToAllRenderers( |
+ float initial_button_delay, |
+ float autoscroll_button_delay, |
+ bool jump_on_track_click, |
+ bool redraw) { |
+ for (RenderProcessHost::iterator it(RenderProcessHost::AllHostsIterator()); |
+ !it.IsAtEnd(); |
+ it.Advance()) { |
+ it.GetCurrentValue()->Send(new ViewMsg_UpdateScrollbarTheme( |
+ initial_button_delay, |
+ autoscroll_button_delay, |
+ jump_on_track_click, |
+ redraw)); |
+ } |
+} |
+ |
+} // namespace content |