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Unified Diff: components/user_prefs/user_prefs.h

Issue 12340111: Introduce //components/user_prefs, use to eliminate c/b/prefs dependency in Autofill. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 10 months ago
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Index: components/user_prefs/user_prefs.h
diff --git a/components/user_prefs/user_prefs.h b/components/user_prefs/user_prefs.h
new file mode 100644
index 0000000000000000000000000000000000000000..aaae5e951c5868eae1c0f87980da5a840c3a24de
--- /dev/null
+++ b/components/user_prefs/user_prefs.h
@@ -0,0 +1,53 @@
+// 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.
+
+#ifndef COMPONENTS_USER_PREFS_USER_PREFS_H_
+#define COMPONENTS_USER_PREFS_USER_PREFS_H_
+
+#include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
+#include "components/user_prefs/user_prefs_delegate.h"
tfarina 2013/02/27 15:17:50 does scoped_ptr allow you to forward declare this?
+#include "components/user_prefs/user_prefs_export.h"
+
+template <typename T> struct DefaultSingletonTraits;
+class PrefService;
+
+namespace content {
+class BrowserContext;
+};
tfarina 2013/02/27 15:17:50 no ; here
+
+namespace components {
+
+// Components may use preferences associated with a given user. These
+// are retrieved based on content::BrowserContext.
+//
+// This singleton is initialized by embedders, to provide other
+// components with a means of doing this lookup.
+class USER_PREFS_EXPORT UserPrefs {
+ public:
+ static UserPrefs* GetInstance();
+
+ ~UserPrefs() {}
tfarina 2013/02/27 15:17:50 can you avoid inlining?
+
+ // Must be called exactly once, before any other method calls on
+ // this object. This object takes ownership of the delegate.
+ void Initialize(scoped_ptr<UserPrefsDelegate> delegate);
+
+ // Retrieves the PrefService for the user preferences tied to the
+ // given BrowserContext. Returns NULL if there is no such
+ // PrefService, or if |Initialize| has not been called.
+ PrefService* Lookup(content::BrowserContext* context);
+
+ private:
+ UserPrefs() {}
tfarina 2013/02/27 15:17:50 can you avoid inlining here?
+ friend struct DefaultSingletonTraits<UserPrefs>;
tfarina 2013/02/27 15:17:50 can you put this first? right after private: ?
+
+ scoped_ptr<UserPrefsDelegate> delegate_;
+
+ DISALLOW_COPY_AND_ASSIGN(UserPrefs);
+};
+
+} // namespace components
+
+#endif // COMPONENTS_USER_PREFS_USER_PREFS_H_

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