ABANDONED: chromeos: Download contacts (work in progress).

chrome/browser/chromeos/contacts/contact_manager.h

+// Copyright (c) 2012 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 CHROME_BROWSER_CHROMEOS_CONTACTS_CONTACT_MANAGER_H_
+#define CHROME_BROWSER_CHROMEOS_CONTACTS_CONTACT_MANAGER_H_
+
+#include <map>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/observer_list.h"
+#include "base/stl_util.h"
+#include "chrome/browser/chromeos/contacts/contact_source_observer.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
+
+class Profile;
+
+namespace contacts {
+
+struct Contact;
+typedef std::vector<const Contact*> ContactPointers;
+
+class ContactManagerObserver;
+class GoogleContactSource;
+
+// Singleton class that stores contacts.
+class ContactManager : public ContactSourceObserver,
+                       public content::NotificationObserver {
+ public:
+  static ContactManager* GetInstance();
+
+  ContactManager();
+  ~ContactManager();
+
+  void Init();
+
+  void AddObserver(ContactManagerObserver* observer);
+  void RemoveObserver(ContactManagerObserver* observer);
+
+  // Clears |contacts| and fills it with all currently-loaded contacts.
+  // Ownership of the underlying Contact objects remains with ContactManager.
+  // Moreover, the returned Contact objects may not persist indefinitely; the
+  // caller must not refer to them again after unblocking the UI thread.
+  void GetAllContacts(ContactPointers* contacts);
+
+  // Returns the contact identified by |provider_id|.
+  // NULL is returned if the contact doesn't exist.
+  // FIXME: Find a better way of doing this?
+  const Contact* GetContactByProviderId(const std::string& provider_id);
+
+  // ContactSourceObserver overrides:
+  virtual void OnContactsUpdated(ContactSource* source) OVERRIDE;
+
+  // content::NotificationObserver overrides:
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
+ private:
+  typedef std::map<Profile*, GoogleContactSource*> GoogleContactSourceMap;
+
+  // Singleton instance.
+  static ContactManager* instance_;
+
+  ObserverList<ContactManagerObserver> observers_;
+
+  // Maps from a profile to a source for getting the profile's Google-stored
+  // contacts.
+  GoogleContactSourceMap google_contact_sources_;
+
+  // Deletes values in |google_contact_sources_|.
+  STLValueDeleter<GoogleContactSourceMap> google_contact_sources_deleter_;
+
+  content::NotificationRegistrar registrar_;
+
+  DISALLOW_COPY_AND_ASSIGN(ContactManager);
+};
+
+}  // namespace contacts
+
+#endif  // CHROME_BROWSER_CHROMEOS_CONTACTS_CONTACT_MANAGER_H_