chrome/browser/sync/profile_sync_service_android.h

   1 // Copyright 2013 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_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
   6 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_
   7
   8 #include <jni.h>
   9 #include <map>
  10
  11 #include "base/android/jni_weak_ref.h"
  12 #include "base/callback.h"
  13 #include "base/compiler_specific.h"
  14 #include "base/time/time.h"
  15 #include "chrome/browser/sync/profile_sync_service_observer.h"
  16 #include "components/invalidation/invalidation_util.h"
  17 #include "components/sync_driver/sync_prefs.h"
  18 #include "google/cacheinvalidation/include/types.h"
  19 #include "google_apis/gaia/google_service_auth_error.h"
  20
  21 class Profile;
  22 class ProfileSyncService;
  23
  24 // Android wrapper of the ProfileSyncService which provides access from the Java
  25 // layer. Note that on Android, there's only a single profile, and therefore
  26 // a single instance of this wrapper. The name of the Java class is
  27 // ProfileSyncService.
  28 // This class should only be accessed from the UI thread.
  29 class ProfileSyncServiceAndroid : public ProfileSyncServiceObserver {
  30  public:
  31
  32   ProfileSyncServiceAndroid(JNIEnv* env, jobject obj);
  33
  34   // This method should be called once right after contructing the object.
  35   void Init();
  36
  37   // Called from Java when we need to nudge native syncer. The |objectSource|,
  38   // |objectId|, |version| and |payload| values should come from an
  39   // invalidation.
  40   void NudgeSyncer(JNIEnv* env,
  41                    jobject obj,
  42                    jint objectSource,
  43                    jstring objectId,
  44                    jlong version,
  45                    jstring payload);
  46
  47   // Called from Java when we need to nudge native syncer but have lost state on
  48   // which types have changed.
  49   void NudgeSyncerForAllTypes(JNIEnv* env, jobject obj);
  50
  51   // Called from Java when the user manually enables sync
  52   void EnableSync(JNIEnv* env, jobject obj);
  53
  54   // Called from Java when the user manually disables sync
  55   void DisableSync(JNIEnv* env, jobject obj);
  56
  57   // Called from Java when the user signs in to Chrome. Starts up sync.
  58   void SignInSync(JNIEnv* env, jobject obj);
  59
  60   // Called from Java when the user signs out of Chrome
  61   void SignOutSync(JNIEnv* env, jobject obj);
  62
  63   // Returns a string version of browser_sync::SyncBackendHost::StatusSummary
  64   base::android::ScopedJavaLocalRef<jstring> QuerySyncStatusSummary(
  65       JNIEnv* env, jobject obj);
  66
  67   // Called from Java early during startup to ensure we use the correct
  68   // unique machine tag in session sync. Returns true if the machine tag was
  69   // succesfully set.
  70   // This must be called before the |SessionModelAssociator| is initialized.
  71   jboolean SetSyncSessionsId(JNIEnv* env, jobject obj, jstring tag);
  72
  73   // Returns true if the sync backend is initialized.
  74   jboolean IsSyncInitialized(JNIEnv* env, jobject obj);
  75
  76   // Returns true if the sync is currently being setup for the first time.
  77   jboolean IsFirstSetupInProgress(JNIEnv* env, jobject obj);
  78
  79   // Returns true if the user is currently encrypting everything.
  80   jboolean IsEncryptEverythingEnabled(JNIEnv* env, jobject obj);
  81
  82   // Returns true if the sync code needs a passphrase for either encryption or
  83   // decryption (can need a passphrase for encryption if the user is turning on
  84   // encryption and no passphrase has been set yet).
  85   jboolean IsPassphraseRequired(JNIEnv* env, jobject obj);
  86
  87   // Returns true if the sync code needs a decryption passphrase for one of the
  88   // currently enabled types.
  89   jboolean IsPassphraseRequiredForDecryption(JNIEnv* env, jobject obj);
  90
  91   // Returns true if the sync code needs a decryption passphrase for *any* type,
  92   // even types that aren't supported on this platform (like passwords).
  93   jboolean IsPassphraseRequiredForExternalType(JNIEnv* env, jobject obj);
  94
  95   // Returns true if the sync code needs a custom decryption passphrase.
  96   // Can not be called if the sync backend is not initialized.
  97   jboolean IsUsingSecondaryPassphrase(JNIEnv* env, jobject obj);
  98
  99   // Returns true if the decryption passphrase works (was able to decrypt the
 100   // stored sync data). Should only be called if
 101   // IsPassphraseRequiredForDecryption() returns true.
 102   jboolean SetDecryptionPassphrase(JNIEnv* env,
 103                                    jobject obj,
 104                                    jstring passphrase);
 105
 106   // Encrypts the user's data with the passed passphrase. If |is_gaia| == true
 107   // then the passphrase is treated as a google (GAIA) passphrase, otherwise
 108   // it's treated like an explicit/custom passphrase.
 109   void SetEncryptionPassphrase(JNIEnv* env,
 110                                jobject obj,
 111                                jstring passphrase,
 112                                jboolean is_gaia);
 113
 114   // Returns whether the cryptographer is ready (i.e. encrypted types can be
 115   // handled).
 116   jboolean IsCryptographerReady(JNIEnv* env, jobject);
 117
 118   // Returns the actual passphrase type being used for encryption. This is a
 119   // value from the enum defined in syncer::PassphraseType and must be matched
 120   // in Java.
 121   jint GetPassphraseType(JNIEnv* env, jobject obj);
 122
 123   // Returns true if the current explicit passphrase time is defined.
 124   jboolean HasExplicitPassphraseTime(JNIEnv* env, jobject);
 125
 126   base::android::ScopedJavaLocalRef<jstring>
 127       GetSyncEnterGooglePassphraseBodyWithDateText(
 128           JNIEnv* env, jobject);
 129
 130   base::android::ScopedJavaLocalRef<jstring>
 131       GetSyncEnterCustomPassphraseBodyWithDateText(
 132           JNIEnv* env, jobject);
 133
 134   base::android::ScopedJavaLocalRef<jstring>
 135       GetCurrentSignedInAccountText(
 136           JNIEnv* env, jobject);
 137
 138   base::android::ScopedJavaLocalRef<jstring>
 139       GetSyncEnterCustomPassphraseBodyText(
 140           JNIEnv* env, jobject);
 141
 142   // Returns true if sync has been migrated.
 143   jboolean IsSyncKeystoreMigrationDone(JNIEnv* env, jobject obj);
 144
 145   // Get the set of enabled data types. These are the types currently both
 146   // registered and preferred. Note that control types are always included here.
 147   // Returns a bit map of the values from
 148   // profile_sync_service_model_type_selection_android.h.
 149   jlong GetEnabledDataTypes(JNIEnv* env, jobject obj);
 150
 151   // Enables the passed data types.
 152   // If |sync_everything| is true, then all data types are enabled and the
 153   // contents of |model_type_selection| is
 154   // ignored.
 155   // Otherwise, the values of |model_type_selection| must contain a bit map of
 156   // values from profile_sync_service_model_type_selection_android.h.
 157   void SetPreferredDataTypes(JNIEnv* env,
 158                              jobject obj,
 159                              jboolean sync_everything,
 160                              jlong model_type_selection);
 161
 162   // Tells sync that we're currently configuring so no data types should be
 163   // downloaded yet.
 164   void SetSetupInProgress(JNIEnv* env, jobject obj, jboolean in_progress);
 165
 166   // Tells sync that sync setup is complete so we can start syncing now.
 167   void SetSyncSetupCompleted(JNIEnv* env, jobject obj);
 168
 169   // Returns true if sync setup has been completed.
 170   jboolean HasSyncSetupCompleted(JNIEnv* env, jobject obj);
 171
 172   // Returns true if sync startup is currently suppressed.
 173   jboolean IsStartSuppressed(JNIEnv* env, jobject obj);
 174
 175   // Returns true if sync is configured to "sync everything".
 176   jboolean HasKeepEverythingSynced(JNIEnv* env, jobject obj);
 177
 178   // Turns on encryption for all data types. This is an asynchronous operation
 179   // which happens after the current configuration pass is done, so a call to
 180   // this routine must be followed by a call to SetEnabledDataTypes().
 181   void EnableEncryptEverything(JNIEnv* env, jobject obj);
 182
 183   // Returns true if sync has encountered an unrecoverable error.
 184   jboolean HasUnrecoverableError(JNIEnv* env, jobject obj);
 185
 186   // Returns sync internals in a JSON-formatted Java string.
 187   base::android::ScopedJavaLocalRef<jstring> GetAboutInfoForTest(JNIEnv* env,
 188                                                                  jobject obj);
 189
 190   // Returns the integer value corresponding to the current auth error state
 191   // (GoogleServiceAuthError.State).
 192   jint GetAuthError(JNIEnv* env, jobject obj);
 193
 194   // ProfileSyncServiceObserver:
 195   virtual void OnStateChanged() OVERRIDE;
 196
 197   // Returns a timestamp for when a sync was last executed. The return value is
 198   // the internal value of base::Time.
 199   jlong GetLastSyncedTimeForTest(JNIEnv* env, jobject obj);
 200
 201   // Overrides ProfileSyncService's NetworkResources object. This is used to
 202   // set up the Sync FakeServer for testing.
 203   void OverrideNetworkResourcesForTest(JNIEnv* env,
 204                                        jobject obj,
 205                                        jlong network_resources);
 206
 207   static ProfileSyncServiceAndroid* GetProfileSyncServiceAndroid();
 208
 209   // Registers the ProfileSyncServiceAndroid's native methods through JNI.
 210   static bool Register(JNIEnv* env);
 211
 212  private:
 213   typedef std::map<invalidation::ObjectId,
 214                    int64,
 215                    syncer::ObjectIdLessThan> ObjectIdVersionMap;
 216
 217   virtual ~ProfileSyncServiceAndroid();
 218   // Remove observers to profile sync service.
 219   void RemoveObserver();
 220   // Called from Java when we need to nudge native syncer. The |object_source|,
 221   // |objectId|, |version| and |payload| values should come from an
 222   // invalidation.
 223   void SendNudgeNotification(int object_source,
 224                              const std::string& str_object_id,
 225                              int64 version,
 226                              const std::string& payload);
 227
 228   Profile* profile_;
 229   ProfileSyncService* sync_service_;
 230   // The class that handles getting, setting, and persisting sync
 231   // preferences.
 232   scoped_ptr<sync_driver::SyncPrefs> sync_prefs_;
 233
 234   // Java-side ProfileSyncService object.
 235   JavaObjectWeakGlobalRef weak_java_profile_sync_service_;
 236
 237   // The invalidation API spec allows for the possibility of redundant
 238   // invalidations, so keep track of the max versions and drop
 239   // invalidations with old versions.
 240   ObjectIdVersionMap max_invalidation_versions_;
 241
 242   DISALLOW_COPY_AND_ASSIGN(ProfileSyncServiceAndroid);
 243 };
 244
 245 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_ANDROID_H_