Merge pull request #609 from vector-im/feature/remove_event_bus

Stop sending bus event from SDK to App.

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/Session.kt

@@ -19,6 +19,7 @@ package im.vector.matrix.android.api.session
 import androidx.annotation.MainThread
 import androidx.lifecycle.LiveData
 import im.vector.matrix.android.api.auth.data.SessionParams
+import im.vector.matrix.android.api.failure.ConsentNotGivenError
 import im.vector.matrix.android.api.pushrules.PushRuleService
 import im.vector.matrix.android.api.session.cache.CacheService
 import im.vector.matrix.android.api.session.content.ContentUploadStateTracker
@@ -140,6 +141,11 @@ interface Session :
          */
         fun onInvalidToken()
 
+        /**
+         * A M_CONSENT_NOT_GIVEN error has been received from the homeserver
+         */
+        fun onConsentNotGivenError(consentNotGivenError: ConsentNotGivenError)
+
     }
 
 }

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/DefaultSession.kt

@@ -23,6 +23,7 @@ import androidx.lifecycle.LiveData
 import dagger.Lazy
 import im.vector.matrix.android.api.MatrixCallback
 import im.vector.matrix.android.api.auth.data.SessionParams
+import im.vector.matrix.android.api.failure.ConsentNotGivenError
 import im.vector.matrix.android.api.pushrules.PushRuleService
 import im.vector.matrix.android.api.session.InitialSyncProgressService
 import im.vector.matrix.android.api.session.Session
@@ -45,6 +46,9 @@ import im.vector.matrix.android.internal.crypto.DefaultCryptoService
 import im.vector.matrix.android.internal.database.LiveEntityObserver
 import im.vector.matrix.android.internal.session.sync.job.SyncThread
 import im.vector.matrix.android.internal.session.sync.job.SyncWorker
+import org.greenrobot.eventbus.EventBus
+import org.greenrobot.eventbus.Subscribe
+import org.greenrobot.eventbus.ThreadMode
 import timber.log.Timber
 import javax.inject.Inject
 import javax.inject.Provider
@@ -96,6 +100,7 @@ internal class DefaultSession @Inject constructor(override val sessionParams: Se
         assert(!isOpen)
         isOpen = true
         liveEntityObservers.forEach { it.start() }
+        EventBus.getDefault().register(this)
     }
 
     override fun requireBackgroundSync() {
@@ -135,6 +140,7 @@ internal class DefaultSession @Inject constructor(override val sessionParams: Se
         liveEntityObservers.forEach { it.dispose() }
         cryptoService.get().close()
         isOpen = false
+        EventBus.getDefault().unregister(this)
     }
 
     override fun syncState(): LiveData<SyncState> {
@@ -163,6 +169,11 @@ internal class DefaultSession @Inject constructor(override val sessionParams: Se
         })
     }
 
+    @Subscribe(threadMode = ThreadMode.MAIN)
+    fun onConsentNotGivenError(consentNotGivenError: ConsentNotGivenError) {
+        sessionListeners.dispatchConsentNotGiven(consentNotGivenError)
+    }
+
     override fun contentUrlResolver() = contentUrlResolver
 
     override fun contentUploadProgressTracker() = contentUploadProgressTracker

matrix-sdk-android/src/main/java/im/vector/matrix/android/internal/session/SessionListeners.kt

@@ -16,19 +16,32 @@
 
 package im.vector.matrix.android.internal.session
 
+import im.vector.matrix.android.api.failure.ConsentNotGivenError
 import im.vector.matrix.android.api.session.Session
 import javax.inject.Inject
 
-internal class SessionListeners @Inject constructor(){
+internal class SessionListeners @Inject constructor() {
 
     private val listeners = ArrayList<Session.Listener>()
 
     fun addListener(listener: Session.Listener) {
-        listeners.add(listener)
+        synchronized(listeners) {
+            listeners.add(listener)
+        }
     }
 
     fun removeListener(listener: Session.Listener) {
-        listeners.remove(listener)
+        synchronized(listeners) {
+            listeners.remove(listener)
+        }
+    }
+
+    fun dispatchConsentNotGiven(consentNotGivenError: ConsentNotGivenError) {
+        synchronized(listeners) {
+            listeners.forEach {
+                it.onConsentNotGivenError(consentNotGivenError)
+            }
+        }
     }
 
 }

vector/build.gradle

@@ -288,9 +288,6 @@ dependencies {
     implementation 'me.saket:better-link-movement-method:2.2.0'
     implementation 'com.google.android:flexbox:1.1.1'
 
-    // Bus
-    implementation 'org.greenrobot:eventbus:3.1.1'
-
     // Passphrase strength helper
     implementation 'com.nulab-inc:zxcvbn:1.2.7'
 

vector/src/main/java/im/vector/riotx/VectorApplication.kt

@@ -49,6 +49,7 @@ import im.vector.riotx.features.notifications.NotificationDrawerManager
 import im.vector.riotx.features.notifications.NotificationUtils
 import im.vector.riotx.features.notifications.PushRuleTriggerListener
 import im.vector.riotx.features.rageshake.VectorUncaughtExceptionHandler
+import im.vector.riotx.features.session.SessionListener
 import im.vector.riotx.features.settings.VectorPreferences
 import im.vector.riotx.features.version.VersionProvider
 import im.vector.riotx.push.fcm.FcmHelper
@@ -68,6 +69,7 @@ class VectorApplication : Application(), HasVectorInjector, MatrixConfiguration.
     @Inject lateinit var emojiCompatWrapper: EmojiCompatWrapper
     @Inject lateinit var vectorUncaughtExceptionHandler: VectorUncaughtExceptionHandler
     @Inject lateinit var activeSessionHolder: ActiveSessionHolder
+    @Inject lateinit var sessionListener: SessionListener
     @Inject lateinit var notificationDrawerManager: NotificationDrawerManager
     @Inject lateinit var pushRuleTriggerListener: PushRuleTriggerListener
     @Inject lateinit var vectorPreferences: VectorPreferences
@@ -117,7 +119,7 @@ class VectorApplication : Application(), HasVectorInjector, MatrixConfiguration.
         if (authenticator.hasAuthenticatedSessions() && !activeSessionHolder.hasActiveSession()) {
             val lastAuthenticatedSession = authenticator.getLastAuthenticatedSession()!!
             activeSessionHolder.setActiveSession(lastAuthenticatedSession)
-            lastAuthenticatedSession.configureAndStart(pushRuleTriggerListener)
+            lastAuthenticatedSession.configureAndStart(pushRuleTriggerListener, sessionListener)
         }
         ProcessLifecycleOwner.get().lifecycle.addObserver(object : LifecycleObserver {
 

vector/src/main/java/im/vector/riotx/core/di/VectorComponent.kt

@@ -40,6 +40,7 @@ import im.vector.riotx.features.notifications.*
 import im.vector.riotx.features.rageshake.BugReporter
 import im.vector.riotx.features.rageshake.VectorFileLogger
 import im.vector.riotx.features.rageshake.VectorUncaughtExceptionHandler
+import im.vector.riotx.features.session.SessionListener
 import im.vector.riotx.features.settings.VectorPreferences
 import im.vector.riotx.features.ui.UiStateRepository
 import javax.inject.Singleton
@@ -54,6 +55,8 @@ interface VectorComponent {
 
     fun matrix(): Matrix
 
+    fun sessionListener(): SessionListener
+
     fun currentSession(): Session
 
     fun notificationUtils(): NotificationUtils

vector/src/main/java/im/vector/riotx/core/extensions/Session.kt

@@ -21,10 +21,13 @@ import androidx.lifecycle.ProcessLifecycleOwner
 import im.vector.matrix.android.api.session.Session
 import im.vector.matrix.android.api.session.sync.FilterService
 import im.vector.riotx.features.notifications.PushRuleTriggerListener
+import im.vector.riotx.features.session.SessionListener
 import timber.log.Timber
 
-fun Session.configureAndStart(pushRuleTriggerListener: PushRuleTriggerListener) {
+fun Session.configureAndStart(pushRuleTriggerListener: PushRuleTriggerListener,
+                              sessionListener: SessionListener) {
     open()
+    addListener(sessionListener)
     setFilter(FilterService.FilterPreset.RiotFilter)
     Timber.i("Configure and start session for ${this.myUserId}")
     val isAtLeastStarted = ProcessLifecycleOwner.get().lifecycle.currentState.isAtLeast(Lifecycle.State.STARTED)

vector/src/main/java/im/vector/riotx/core/platform/VectorBaseActivity.kt

@@ -36,11 +36,11 @@ import butterknife.Unbinder
 import com.airbnb.mvrx.BaseMvRxActivity
 import com.bumptech.glide.util.Util
 import com.google.android.material.snackbar.Snackbar
-import im.vector.matrix.android.api.failure.ConsentNotGivenError
 import im.vector.riotx.BuildConfig
 import im.vector.riotx.R
 import im.vector.riotx.core.di.*
 import im.vector.riotx.core.dialogs.DialogLocker
+import im.vector.riotx.core.extensions.observeEvent
 import im.vector.riotx.core.utils.toast
 import im.vector.riotx.features.configuration.VectorConfiguration
 import im.vector.riotx.features.consent.ConsentNotGivenHelper
@@ -48,14 +48,12 @@ import im.vector.riotx.features.navigation.Navigator
 import im.vector.riotx.features.rageshake.BugReportActivity
 import im.vector.riotx.features.rageshake.BugReporter
 import im.vector.riotx.features.rageshake.RageShake
+import im.vector.riotx.features.session.SessionListener
 import im.vector.riotx.features.themes.ActivityOtherThemes
 import im.vector.riotx.features.themes.ThemeUtils
 import im.vector.riotx.receivers.DebugReceiver
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.disposables.Disposable
-import org.greenrobot.eventbus.EventBus
-import org.greenrobot.eventbus.Subscribe
-import org.greenrobot.eventbus.ThreadMode
 import timber.log.Timber
 import kotlin.system.measureTimeMillis
 
@@ -76,6 +74,7 @@ abstract class VectorBaseActivity : BaseMvRxActivity(), HasScreenInjector {
 
     protected lateinit var viewModelFactory: ViewModelProvider.Factory
     private lateinit var configurationViewModel: ConfigurationViewModel
+    private lateinit var sessionListener: SessionListener
     protected lateinit var bugReporter: BugReporter
     private lateinit var rageShake: RageShake
     protected lateinit var navigator: Navigator
@@ -132,6 +131,7 @@ abstract class VectorBaseActivity : BaseMvRxActivity(), HasScreenInjector {
         viewModelFactory = screenComponent.viewModelFactory()
         configurationViewModel = ViewModelProviders.of(this, viewModelFactory).get(ConfigurationViewModel::class.java)
         bugReporter = screenComponent.bugReporter()
+        // Shake detector
         rageShake = screenComponent.rageShake()
         navigator = screenComponent.navigator()
         activeSessionHolder = screenComponent.activeSessionHolder()
@@ -143,7 +143,11 @@ abstract class VectorBaseActivity : BaseMvRxActivity(), HasScreenInjector {
             }
         })
 
-        // Shake detector
+        sessionListener = getVectorComponent().sessionListener()
+        sessionListener.consentNotGivenLiveData.observeEvent(this) {
+            consentNotGivenHelper.displayDialog(it.consentUri,
+                    activeSessionHolder.getActiveSession().sessionParams.homeServerConnectionConfig.homeServerUri.host ?: "")
+        }
 
         doBeforeSetContentView()
 
@@ -408,22 +412,6 @@ abstract class VectorBaseActivity : BaseMvRxActivity(), HasScreenInjector {
                 .apply { restorables.add(this) }
     }
 
-    override fun onStart() {
-        super.onStart()
-        EventBus.getDefault().register(this)
-    }
-
-    override fun onStop() {
-        super.onStop()
-        EventBus.getDefault().unregister(this)
-    }
-
-    @Subscribe(threadMode = ThreadMode.MAIN)
-    fun onConsentNotGivenError(consentNotGivenError: ConsentNotGivenError) {
-        consentNotGivenHelper.displayDialog(consentNotGivenError.consentUri,
-                activeSessionHolder.getActiveSession().sessionParams.homeServerConnectionConfig.homeServerUri.host ?: "")
-    }
-
     /* ==========================================================================================
      * Temporary method
      * ========================================================================================== */

vector/src/main/java/im/vector/riotx/features/home/HomeActivityViewModel.kt

@@ -40,7 +40,7 @@ class HomeActivityViewModel @AssistedInject constructor(@Assisted initialState:
                                                         private val session: Session,
                                                         private val selectedGroupStore: SelectedGroupStore,
                                                         private val homeRoomListStore: HomeRoomListObservableStore
-) : VectorViewModel<EmptyState>(initialState), Session.Listener {
+) : VectorViewModel<EmptyState>(initialState) {
 
     @AssistedInject.Factory
     interface Factory {
@@ -58,7 +58,6 @@ class HomeActivityViewModel @AssistedInject constructor(@Assisted initialState:
 
 
     init {
-        session.addListener(this)
         observeRoomAndGroup()
     }
 
@@ -96,17 +95,4 @@ class HomeActivityViewModel @AssistedInject constructor(@Assisted initialState:
                 .disposeOnClear()
     }
 
-    override fun onCleared() {
-        super.onCleared()
-        session.removeListener(this)
-    }
-
-    /* ==========================================================================================
-     * Session listener
-     * ========================================================================================== */
-
-    override fun onInvalidToken() {
-
-    }
-
 }

vector/src/main/java/im/vector/riotx/features/login/LoginViewModel.kt

@@ -34,12 +34,14 @@ import im.vector.riotx.core.extensions.configureAndStart
 import im.vector.riotx.core.platform.VectorViewModel
 import im.vector.riotx.core.utils.LiveEvent
 import im.vector.riotx.features.notifications.PushRuleTriggerListener
+import im.vector.riotx.features.session.SessionListener
 import timber.log.Timber
 
 class LoginViewModel @AssistedInject constructor(@Assisted initialState: LoginViewState,
                                                  private val authenticator: Authenticator,
                                                  private val activeSessionHolder: ActiveSessionHolder,
-                                                 private val pushRuleTriggerListener: PushRuleTriggerListener)
+                                                 private val pushRuleTriggerListener: PushRuleTriggerListener,
+                                                 private val sessionListener: SessionListener)
     : VectorViewModel<LoginViewState>(initialState) {
 
     @AssistedInject.Factory
@@ -114,7 +116,7 @@ class LoginViewModel @AssistedInject constructor(@Assisted initialState: LoginVi
 
     private fun onSessionCreated(session: Session) {
         activeSessionHolder.setActiveSession(session)
-        session.configureAndStart(pushRuleTriggerListener)
+        session.configureAndStart(pushRuleTriggerListener, sessionListener)
 
         setState {
             copy(
@@ -139,7 +141,7 @@ class LoginViewModel @AssistedInject constructor(@Assisted initialState: LoginVi
 
     private fun handleUpdateHomeserver(action: LoginActions.UpdateHomeServer) = withState { state ->
 
-        var newConfig : HomeServerConnectionConfig? = null
+        var newConfig: HomeServerConnectionConfig? = null
         Try {
             val homeServerUri = action.homeServerUrl
             newConfig = HomeServerConnectionConfig.Builder()

vector/src/main/java/im/vector/riotx/features/session/SessionListener.kt

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.session
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import im.vector.matrix.android.api.failure.ConsentNotGivenError
+import im.vector.matrix.android.api.session.Session
+import im.vector.riotx.core.extensions.postLiveEvent
+import im.vector.riotx.core.utils.LiveEvent
+import timber.log.Timber
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class SessionListener @Inject constructor() : Session.Listener {
+
+    private val _consentNotGivenLiveData = MutableLiveData<LiveEvent<ConsentNotGivenError>>()
+    val consentNotGivenLiveData: LiveData<LiveEvent<ConsentNotGivenError>>
+        get() = _consentNotGivenLiveData
+
+    override fun onInvalidToken() {
+        // TODO Handle this error
+        Timber.e("Token is not valid anymore: handle this properly")
+    }
+
+    override fun onConsentNotGivenError(consentNotGivenError: ConsentNotGivenError) {
+        _consentNotGivenLiveData.postLiveEvent(consentNotGivenError)
+    }
+
+}