chrome/browser/autocomplete/contact_provider_chromeos.h

   1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_AUTOCOMPLETE_CONTACT_PROVIDER_CHROMEOS_H_
   6 #define CHROME_BROWSER_AUTOCOMPLETE_CONTACT_PROVIDER_CHROMEOS_H_
   7
   8 #include <utility>
   9 #include <vector>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/weak_ptr.h"
  14 #include "chrome/browser/autocomplete/autocomplete_match.h"
  15 #include "chrome/browser/autocomplete/autocomplete_provider.h"
  16 #include "chrome/browser/chromeos/contacts/contact_manager_observer.h"
  17
  18 class AutocompleteInput;
  19
  20 namespace contacts {
  21 class ContactManagerInterface;
  22 }
  23
  24 // AutocompleteProvider implementation that searches through the contacts
  25 // provided by contacts::ContactManager.
  26 class ContactProvider : public AutocompleteProvider,
  27                         public contacts::ContactManagerObserver {
  28  public:
  29   // Key within AutocompleteMatch::additional_info where the corresponding
  30   // contact's ID is stored.
  31   static const char kMatchContactIdKey[];
  32
  33   ContactProvider(
  34       AutocompleteProviderListener* listener,
  35       Profile* profile,
  36       base::WeakPtr<contacts::ContactManagerInterface> contact_manager);
  37
  38   // AutocompleteProvider overrides:
  39   virtual void Start(const AutocompleteInput& input,
  40                      bool minimal_changes) OVERRIDE;
  41
  42   // contacts::ContactManagerObserver overrides:
  43   virtual void OnContactsUpdated(Profile* profile) OVERRIDE;
  44
  45  private:
  46   struct ContactData;
  47   typedef std::vector<ContactData> ContactDataVector;
  48
  49   virtual ~ContactProvider();
  50
  51   // Returns true if |a|'s affinity is greater than |b|'s affinity.
  52   static bool CompareAffinity(const ContactData& a, const ContactData& b);
  53
  54   // Updates |contacts_| to match the contacts currently reported by
  55   // ContactManager.
  56   void RefreshContacts();
  57
  58   // Adds an AutocompleteMatch object for |contact| to |matches_| if |contact|
  59   // is matched by |input|.  |input_words| is |input.text()| split on word
  60   // boundaries.
  61   void AddContactIfMatched(const AutocompleteInput& input,
  62                            const std::vector<base::string16>& input_words,
  63                            const ContactData& contact);
  64
  65   // Returns an AutocompleteMatch object corresponding to the passed-in data.
  66   AutocompleteMatch CreateAutocompleteMatch(const AutocompleteInput& input,
  67                                             const ContactData& contact);
  68
  69   base::WeakPtr<contacts::ContactManagerInterface> contact_manager_;
  70
  71   // Contacts through which we search, ordered by descending affinity.
  72   ContactDataVector contacts_;
  73
  74   DISALLOW_COPY_AND_ASSIGN(ContactProvider);
  75 };
  76
  77 #endif  // CHROME_BROWSER_AUTOCOMPLETE_CONTACT_PROVIDER_CHROMEOS_H_