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| author | danno@chromium.org <danno@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-09-22 12:43:14 +0000 |
|---|---|---|
| committer | danno@chromium.org <danno@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2010-09-22 12:43:14 +0000 |
| commit | 37d5293518a8657af4d79035f7ef2e8c3a8d6b9a (patch) | |
| tree | 9897f36b9f09457d3a5fbb002abc4e081e79ae56 /chrome/browser/prefs/pref_change_registrar.h | |
| parent | 37c3dacaa38fddba1c53d9b3f3f0514933d3dd45 (diff) | |
| download | chromium_src-37d5293518a8657af4d79035f7ef2e8c3a8d6b9a.zip chromium_src-37d5293518a8657af4d79035f7ef2e8c3a8d6b9a.tar.gz chromium_src-37d5293518a8657af4d79035f7ef2e8c3a8d6b9a.tar.bz2 | |
Use PrefChangeRegistrar everywhere
BUG=54955
TEST=PrefChangeRegistrarTest.*
Review URL: http://codereview.chromium.org/3304015
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60169 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/browser/prefs/pref_change_registrar.h')
| -rw-r--r-- | chrome/browser/prefs/pref_change_registrar.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/chrome/browser/prefs/pref_change_registrar.h b/chrome/browser/prefs/pref_change_registrar.h index cd8f5eb..773c556 100644 --- a/chrome/browser/prefs/pref_change_registrar.h +++ b/chrome/browser/prefs/pref_change_registrar.h @@ -23,7 +23,8 @@ class PrefChangeRegistrar { PrefChangeRegistrar(); virtual ~PrefChangeRegistrar(); - // Must be called before adding or removing observers. + // Must be called before adding or removing observers. Can be called more + // than once as long as the value of |service| doesn't change. void Init(PrefService* service); // Adds an pref observer for the specified pref |path| and |obs| observer @@ -38,6 +39,12 @@ class PrefChangeRegistrar { void Remove(const char* path, NotificationObserver* obs); + // Removes all observers that have been previously added with a call to Add. + void RemoveAll(); + + // Returns true if no pref observers are registered. + bool IsEmpty() const; + private: typedef std::pair<std::string, NotificationObserver*> ObserverRegistration; |