Merge branch 'develop-2.x' into new/reactions

app/src/main/AndroidManifest.xml

@@ -41,7 +41,12 @@
             android:theme="@style/AppTheme" />
 
         <activity
-            android:name=".webview.WebViewActivity"
+            android:name=".webview.ui.WebViewActivity"
+            android:windowSoftInputMode="adjustResize|stateAlwaysHidden"
+            android:theme="@style/AppTheme" />
+
+        <activity
+            android:name=".webview.cas.ui.CasWebViewActivity"
             android:windowSoftInputMode="adjustResize|stateAlwaysHidden"
             android:theme="@style/AppTheme" />
 

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginPresenter.kt

@@ -4,17 +4,20 @@ import chat.rocket.android.authentication.domain.model.TokenModel
 import chat.rocket.android.authentication.presentation.AuthenticationNavigator
 import chat.rocket.android.core.lifecycle.CancelStrategy
 import chat.rocket.android.helper.NetworkHelper
+import chat.rocket.android.helper.UrlHelper
 import chat.rocket.android.infrastructure.LocalRepository
 import chat.rocket.android.server.domain.*
 import chat.rocket.android.server.infraestructure.RocketChatClientFactory
+import chat.rocket.android.util.extensions.generateRandomString
 import chat.rocket.android.util.extensions.isEmailValid
 import chat.rocket.android.util.extensions.launchUI
 import chat.rocket.common.RocketChatException
 import chat.rocket.common.RocketChatTwoFactorException
-import chat.rocket.common.model.Token
 import chat.rocket.common.util.ifNull
 import chat.rocket.core.RocketChatClient
 import chat.rocket.core.internal.rest.*
+import kotlinx.coroutines.experimental.delay
+import java.util.concurrent.TimeUnit
 import javax.inject.Inject
 
 class LoginPresenter @Inject constructor(private val view: LoginView,
@@ -28,51 +31,69 @@ class LoginPresenter @Inject constructor(private val view: LoginView,
     // TODO - we should validate the current server when opening the app, and have a nonnull get()
     private val client: RocketChatClient = factory.create(serverInteractor.get()!!)
 
-    fun setup() {
+    fun setupView() {
         val server = serverInteractor.get()
         if (server == null) {
             navigator.toServerScreen()
             return
         }
-
         val settings = settingsInteractor.get(server)
-        if (settings == null) {
-            navigator.toServerScreen()
-            return
+
+        if (settings.isLoginFormEnabled()) {
+            view.showFormView()
+            view.setupLoginButtonListener()
+            view.setupGlobalListener()
+        } else {
+            view.hideFormView()
+        }
+
+        if (settings.isRegistrationEnabledForNewUsers()) {
+            view.showSignUpView()
+            view.setupSignUpView()
         }
 
-        view.showSignUpView(settings.registrationEnabled())
+        if (settings.isCasAuthenticationEnabled()) {
+            val token = generateRandomString(17)
+            view.setupCasButtonListener(UrlHelper.getCasUrl(settings.casLoginUrl(), server, token), token)
+            view.showCasButton()
+        }
 
-        var hasSocial = false
-        if (settings.facebookEnabled()) {
+        var totalSocialAccountsEnabled = 0
+        if (settings.isFacebookAuthenticationEnabled()) {
             view.enableLoginByFacebook()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.githubEnabled()) {
+        if (settings.isGithubAuthenticationEnabled()) {
             view.enableLoginByGithub()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.googleEnabled()) {
+        if (settings.isGoogleAuthenticationEnabled()) {
             view.enableLoginByGoogle()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.linkedinEnabled()) {
+        if (settings.isLinkedinAuthenticationEnabled()) {
             view.enableLoginByLinkedin()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.meteorEnabled()) {
+        if (settings.isMeteorAuthenticationEnabled()) {
             view.enableLoginByMeteor()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.twitterEnabled()) {
+        if (settings.isTwitterAuthenticationEnabled()) {
             view.enableLoginByTwitter()
-            hasSocial = true
+            totalSocialAccountsEnabled++
         }
-        if (settings.gitlabEnabled()) {
+        if (settings.isGitlabAuthenticationEnabled()) {
             view.enableLoginByGitlab()
-            hasSocial = true
+            totalSocialAccountsEnabled++
+        }
+
+        if (totalSocialAccountsEnabled > 0) {
+            view.showOauthView()
+            if (totalSocialAccountsEnabled > 3) {
+                view.setupFabListener()
+            }
         }
-        view.showOauthView(hasSocial)
     }
 
     fun authenticate(usernameOrEmail: String, password: String) {
@@ -90,34 +111,23 @@ class LoginPresenter @Inject constructor(private val view: LoginView,
             else -> {
                 launchUI(strategy) {
                     if (NetworkHelper.hasInternetAccess()) {
+                        view.disableUserInput()
                         view.showLoading()
-
                         try {
-                            var token: Token? = null
-                            if (usernameOrEmail.isEmailValid()) {
-                                token = client.loginWithEmail(usernameOrEmail, password)
+                            val token = if (usernameOrEmail.isEmailValid()) {
+                                client.loginWithEmail(usernameOrEmail, password)
                             } else {
                                 val settings = settingsInteractor.get(server)
-                                if (settings != null) {
-                                    token = if (settings.ldapEnabled()) {
+                                if (settings.isLdapAuthenticationEnabled()) {
                                     client.loginWithLdap(usernameOrEmail, password)
                                 } else {
                                     client.login(usernameOrEmail, password)
                                 }
-                                } else {
-                                    navigator.toServerScreen()
-                                }
                             }
 
-                            if (token != null) {
-                                val me = client.me()
-                                multiServerRepository.save(server, TokenModel(token.userId, token.authToken))
-                                localRepository.save(LocalRepository.USERNAME_KEY, me.username)
+                            saveToken(server, TokenModel(token.userId, token.authToken), client.me().username)
                             registerPushToken()
                             navigator.toChatList()
-                            } else {
-                                view.showGenericErrorMessage()
-                            }
                         } catch (exception: RocketChatException) {
                             when (exception) {
                                 is RocketChatTwoFactorException -> {
@@ -133,6 +143,7 @@ class LoginPresenter @Inject constructor(private val view: LoginView,
                             }
                         } finally {
                             view.hideLoading()
+                            view.enableUserInput()
                         }
                     } else {
                         view.showNoInternetConnection()
@@ -142,8 +153,46 @@ class LoginPresenter @Inject constructor(private val view: LoginView,
         }
     }
 
+    fun authenticateWithCas(casToken: String) {
+        launchUI(strategy) {
+            if (NetworkHelper.hasInternetAccess()) {
+                view.disableUserInput()
+                view.showLoading()
+                try {
+                    val server = serverInteractor.get()
+                    if (server != null) {
+                        delay(3, TimeUnit.SECONDS)
+                        val token = client.loginWithCas(casToken)
+                        saveToken(server, TokenModel(token.userId, token.authToken), client.me().username)
+                        registerPushToken()
+                        navigator.toChatList()
+                    } else {
+                        navigator.toServerScreen()
+                    }
+                } catch (exception: RocketChatException) {
+                    exception.message?.let {
+                        view.showMessage(it)
+                    }.ifNull {
+                        view.showGenericErrorMessage()
+                    }
+                } finally {
+                    view.hideLoading()
+                    view.enableUserInput()
+                }
+            } else {
+                view.showNoInternetConnection()
+            }
+        }
+    }
+
     fun signup() = navigator.toSignUp()
 
+    private suspend fun saveToken(server: String, tokenModel: TokenModel, username: String?) {
+        multiServerRepository.save(server, tokenModel)
+        localRepository.save(LocalRepository.USERNAME_KEY, username)
+        registerPushToken()
+    }
+
     private suspend fun registerPushToken() {
         localRepository.get(LocalRepository.KEY_PUSH_TOKEN)?.let {
             client.registerPushToken(it)

app/src/main/java/chat/rocket/android/authentication/login/presentation/LoginView.kt

@@ -7,62 +7,135 @@ import chat.rocket.android.core.behaviours.MessageView
 interface LoginView : LoadingView, MessageView, InternetView {
 
     /**
-     * Shows the oauth view if the server settings allow the login via social accounts.
+     * Shows the form view (i.e the username/email and password fields) if it is enabled by the server settings.
      *
-     * REMARK: we must show at maximum *three* social accounts views ([enableLoginByFacebook], [enableLoginByGithub], [enableLoginByGoogle],
+     * REMARK: We must set up the login button listener [setupLoginButtonListener].
+     * Remember to enable [enableUserInput] or disable [disableUserInput] the view interaction for the user when submitting the form.
+     */
+    fun showFormView()
+
+    /**
+     * Hides the form view.
+     */
+    fun hideFormView()
+
+    /**
+     * Setups the login button when tapped.
+     */
+    fun setupLoginButtonListener()
+
+    /**
+     * Enables the view interactions for the user.
+     */
+    fun enableUserInput()
+
+    /**
+     * Disables the view interactions for the user.
+     */
+    fun disableUserInput()
+
+    /**
+     * Shows the CAS button if the sign in/sign out via CAS protocol is enabled by the server settings.
+     *
+     * REMARK: We must set up the CAS button listener [setupCasButtonListener].
+     */
+    fun showCasButton()
+
+    /**
+     * Hides the CAS button.
+     */
+    fun hideCasButton()
+
+    /**
+     * Setups the CAS button when tapped.
+     *
+     * @param casUrl The CAS URL to login/sign up with.
+     * @param casToken The requested Token sent to the CAS server.
+     */
+    fun setupCasButtonListener(casUrl: String, casToken: String)
+
+    /**
+     * Shows the sign up view if the new users registration is enabled by the server settings.
+     *
+     * REMARK: We must set up the sign up view listener [setupSignUpView].
+     */
+    fun showSignUpView()
+
+    /**
+     * Setups the sign up view when tapped.
+     */
+    fun setupSignUpView()
+
+    /**
+     * Hides the sign up view.
+     */
+    fun hideSignUpView()
+
+    /**
+     * Shows the oauth view if the login via social accounts is enabled by the server settings.
+     *
+     * REMARK: We must show at maximum *three* social accounts views ([enableLoginByFacebook], [enableLoginByGithub], [enableLoginByGoogle],
      * [enableLoginByLinkedin], [enableLoginByMeteor], [enableLoginByTwitter] or [enableLoginByGitlab]) for the oauth view.
      * If the possibility of login via social accounts exceeds 3 different ways we should set up the FAB ([setupFabListener]) to show the remaining view(s).
-     *
-     * @param value True to show the oauth view, false otherwise.
      */
-    fun showOauthView(value: Boolean)
+    fun showOauthView()
 
     /**
-     * Setups the FloatingActionButton to show more social accounts views (expanding the oauth view interface to show the remaining view(s)).
+     * Hides the oauth view.
      */
-    fun setupFabListener()
+    fun hideOauthView()
+
+    /**
+     * Shows the login button.
+     */
+    fun showLoginButton()
+
+    /**
+     * Hides the login button.
+     */
+    fun hideLoginButton()
 
     /**
-     * Shows the login by Facebook view.
+     * Shows the "login by Facebook view if it is enabled by the server settings.
      */
     fun enableLoginByFacebook()
 
     /**
-     * Shows the login by Github view.
+     * Shows the "login by Github" view if it is enabled by the server settings.
      */
     fun enableLoginByGithub()
 
     /**
-     * Shows the login by Google view.
+     * Shows the "login by Google" view if it is enabled by the server settings.
      */
     fun enableLoginByGoogle()
 
     /**
-     * Shows the login by Linkedin view.
+     * Shows the "login by Linkedin" view if it is enabled by the server settings.
      */
     fun enableLoginByLinkedin()
 
     /**
-     * Shows the login by Meteor view.
+     * Shows the "login by Meteor" view if it is enabled by the server settings.
      */
     fun enableLoginByMeteor()
 
     /**
-     * Shows the login by Twitter view.
+     * Shows the "login by Twitter" view if it is enabled by the server settings.
      */
     fun enableLoginByTwitter()
 
     /**
-     * Shows the login by Gitlab view.
+     * Shows the "login by Gitlab" view if it is enabled by the server settings.
      */
     fun enableLoginByGitlab()
 
     /**
-     * Shows the sign up view if the server settings allow the new users registration.
-     *
-     * @param value True to show the sign up view, false otherwise.
+     * Setups the FloatingActionButton to show more social accounts views (expanding the oauth view interface to show the remaining view(s)).
      */
-    fun showSignUpView(value: Boolean)
+    fun setupFabListener()
+
+    fun setupGlobalListener()
 
     /**
      * Alerts the user about a wrong inputted username or email.

app/src/main/java/chat/rocket/android/authentication/presentation/AuthenticationNavigator.kt

@@ -9,7 +9,7 @@ import chat.rocket.android.authentication.twofactor.ui.TwoFAFragment
 import chat.rocket.android.authentication.ui.AuthenticationActivity
 import chat.rocket.android.main.ui.MainActivity
 import chat.rocket.android.util.extensions.addFragmentBackStack
-import chat.rocket.android.webview.webViewIntent
+import chat.rocket.android.webview.ui.webViewIntent
 
 class AuthenticationNavigator(internal val activity: AuthenticationActivity, internal val context: Context) {
 
@@ -37,10 +37,7 @@ class AuthenticationNavigator(internal val activity: AuthenticationActivity, int
     }
 
     fun toChatList() {
-        val chatList = Intent(activity, MainActivity::class.java).apply {
-            //TODO any parameter to pass
-        }
-        activity.startActivity(chatList)
+        activity.startActivity(Intent(activity, MainActivity::class.java))
         activity.finish()
     }
 

app/src/main/java/chat/rocket/android/authentication/server/presentation/ServerPresenter.kt

@@ -17,16 +17,14 @@ class ServerPresenter @Inject constructor(private val view: ServerView,
                                           private val refreshSettingsInteractor: RefreshSettingsInteractor) {
     fun connect(server: String) {
         if (!UrlHelper.isValidUrl(server)) {
-            view.showInvalidServerUrl()
+            view.showInvalidServerUrlMessage()
         } else {
             launchUI(strategy) {
                 if (NetworkHelper.hasInternetAccess()) {
                     view.showLoading()
-
                     try {
                         refreshSettingsInteractor.refresh(server)
                         serverInteractor.save(server)
-
                         navigator.toLogin()
                     } catch (ex: Exception) {
                         ex.message?.let {

app/src/main/java/chat/rocket/android/authentication/server/presentation/ServerView.kt

@@ -7,7 +7,7 @@ import chat.rocket.android.core.behaviours.MessageView
 interface ServerView : LoadingView, MessageView, InternetView {
 
     /**
-     * Notifies the user about an invalid inputted server URL.
+     * Shows an invalid server URL message.
      */
-    fun showInvalidServerUrl()
+    fun showInvalidServerUrlMessage()
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/authentication/server/ui/ServerFragment.kt

@@ -30,7 +30,8 @@ class ServerFragment : Fragment(), ServerView {
         AndroidSupportInjection.inject(this)
     }
 
-    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? = container?.inflate(R.layout.fragment_authentication_server)
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? =
+        container?.inflate(R.layout.fragment_authentication_server)
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
@@ -43,7 +44,7 @@ class ServerFragment : Fragment(), ServerView {
         relative_layout.viewTreeObserver.removeOnGlobalLayoutListener(layoutListener)
     }
 
-    override fun showInvalidServerUrl() = showMessage(getString(R.string.msg_invalid_server_url))
+    override fun showInvalidServerUrlMessage() = showMessage(getString(R.string.msg_invalid_server_url))
 
     override fun showLoading() {
         enableUserInput(false)

app/src/main/java/chat/rocket/android/authentication/signup/ui/SignupFragment.kt

 package chat.rocket.android.authentication.signup.ui
 
 import DrawableHelper
-import android.content.Context
 import android.os.Build
 import android.os.Bundle
 import android.support.v4.app.Fragment
@@ -11,19 +10,15 @@ import android.widget.Toast
 import chat.rocket.android.R
 import chat.rocket.android.authentication.signup.presentation.SignupPresenter
 import chat.rocket.android.authentication.signup.presentation.SignupView
-import chat.rocket.android.helper.AnimationHelper
 import chat.rocket.android.helper.KeyboardHelper
 import chat.rocket.android.helper.TextHelper
-import chat.rocket.android.util.extensions.setVisible
-import chat.rocket.android.util.extensions.textContent
-import chat.rocket.android.util.extensions.showToast
+import chat.rocket.android.util.extensions.*
 import dagger.android.support.AndroidSupportInjection
 import kotlinx.android.synthetic.main.fragment_authentication_sign_up.*
 import javax.inject.Inject
 
 class SignupFragment : Fragment(), SignupView {
     @Inject lateinit var presenter: SignupPresenter
-    @Inject lateinit var appContext: Context
 
     private val layoutListener = ViewTreeObserver.OnGlobalLayoutListener {
         if (KeyboardHelper.isSoftKeyboardShown(constraint_layout.rootView)) {
@@ -68,26 +63,26 @@ class SignupFragment : Fragment(), SignupView {
     }
 
     override fun alertBlankName() {
-        AnimationHelper.vibrateSmartPhone(appContext)
-        AnimationHelper.shakeView(text_name)
+        vibrateSmartPhone()
+        text_name.shake()
         text_name.requestFocus()
     }
 
     override fun alertBlankUsername() {
-        AnimationHelper.vibrateSmartPhone(appContext)
-        AnimationHelper.shakeView(text_username)
+        vibrateSmartPhone()
+        text_username.shake()
         text_username.requestFocus()
     }
 
     override fun alertEmptyPassword() {
-        AnimationHelper.vibrateSmartPhone(appContext)
-        AnimationHelper.shakeView(text_password)
+        vibrateSmartPhone()
+        text_password.shake()
         text_password.requestFocus()
     }
 
     override fun alertBlankEmail() {
-        AnimationHelper.vibrateSmartPhone(appContext)
-        AnimationHelper.shakeView(text_email)
+        vibrateSmartPhone()
+        text_email.shake()
         text_email.requestFocus()
     }
 
@@ -114,16 +109,18 @@ class SignupFragment : Fragment(), SignupView {
     }
 
     private fun tintEditTextDrawableStart() {
-        val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, appContext)
-        val atDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_at_black_24dp, appContext)
-        val lockDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_lock_black_24dp, appContext)
-        val emailDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_email_black_24dp, appContext)
+        activity?.apply {
+            val personDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_person_black_24dp, this)
+            val atDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_at_black_24dp, this)
+            val lockDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_lock_black_24dp, this)
+            val emailDrawable = DrawableHelper.getDrawableFromId(R.drawable.ic_email_black_24dp, this)
 
             val drawables = arrayOf(personDrawable, atDrawable, lockDrawable, emailDrawable)
             DrawableHelper.wrapDrawables(drawables)
-        DrawableHelper.tintDrawables(drawables, appContext, R.color.colorDrawableTintGrey)
+            DrawableHelper.tintDrawables(drawables, this, R.color.colorDrawableTintGrey)
             DrawableHelper.compoundDrawables(arrayOf(text_name, text_username, text_password, text_email), drawables)
         }
+    }
 
     private fun setUpNewUserAgreementListener() {
         val termsOfService = getString(R.string.action_terms_of_service)

app/src/main/java/chat/rocket/android/authentication/twofactor/ui/TwoFAFragment.kt

@@ -12,10 +12,7 @@ import android.view.inputmethod.InputMethodManager
 import chat.rocket.android.R
 import chat.rocket.android.authentication.twofactor.presentation.TwoFAPresenter
 import chat.rocket.android.authentication.twofactor.presentation.TwoFAView
-import chat.rocket.android.helper.AnimationHelper
-import chat.rocket.android.util.extensions.setVisible
-import chat.rocket.android.util.extensions.textContent
-import chat.rocket.android.util.extensions.showToast
+import chat.rocket.android.util.extensions.*
 import dagger.android.support.AndroidSupportInjection
 import kotlinx.android.synthetic.main.fragment_authentication_two_fa.*
 import javax.inject.Inject
@@ -65,10 +62,8 @@ class TwoFAFragment : Fragment(), TwoFAView {
     }
 
     override fun alertBlankTwoFactorAuthenticationCode() {
-        activity?.let {
-            AnimationHelper.vibrateSmartPhone(it)
-            AnimationHelper.shakeView(text_two_factor_auth)
-        }
+        vibrateSmartPhone()
+        text_two_factor_auth.shake()
     }
 
     override fun alertInvalidTwoFactorAuthenticationCode() = showMessage(getString(R.string.msg_invalid_2fa_code))

app/src/main/java/chat/rocket/android/chatroom/adapter/ChatRoomAdapter.kt

@@ -9,6 +9,7 @@ import chat.rocket.android.chatroom.viewmodel.*
 import chat.rocket.android.util.extensions.inflate
 import chat.rocket.android.widget.emoji.EmojiReactionListener
 import chat.rocket.core.model.Message
+import chat.rocket.core.model.isSystemMessage
 import timber.log.Timber
 import java.security.InvalidParameterException
 
@@ -105,12 +106,18 @@ class ChatRoomAdapter(
     }
 
     fun prependData(dataSet: List<BaseViewModel<*>>) {
+        val item = dataSet.firstOrNull { newItem ->
+            this.dataSet.indexOfFirst { it.messageId == newItem.messageId && it.viewType == newItem.viewType } > -1
+        }
+        if (item == null) {
             this.dataSet.addAll(0, dataSet)
             notifyItemRangeInserted(0, dataSet.size)
         }
+    }
 
     fun updateItem(message: BaseViewModel<*>) {
         var index = dataSet.indexOfLast { it.messageId == message.messageId }
+        val indexOfFirst = dataSet.indexOfFirst { it.messageId == message.messageId }
         Timber.d("index: $index")
         if (index > -1) {
             message.nextDownStreamMessage = dataSet[index].nextDownStreamMessage
@@ -120,6 +127,11 @@ class ChatRoomAdapter(
                 dataSet[index].nextDownStreamMessage!!.reactions = message.reactions
                 notifyItemChanged(--index)
             }
+            // Delete message only if current is a system message update, i.e.: Message Removed
+            if (message.message.isSystemMessage() && indexOfFirst > -1 && indexOfFirst != index) {
+                dataSet.removeAt(indexOfFirst)
+                notifyItemRemoved(indexOfFirst)
+            }
         }
     }
 

app/src/main/java/chat/rocket/android/chatroom/adapter/MessageViewHolder.kt

@@ -22,6 +22,9 @@ class MessageViewHolder(
 
     override fun bindViews(data: MessageViewModel) {
         with(itemView) {
+            if (data.isFirstUnread) new_messages_notif.visibility = View.VISIBLE
+            else new_messages_notif.visibility = View.GONE
+
             text_message_time.text = data.time
             text_sender.text = data.senderName
             text_content.text = data.content

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomActivity.kt

@@ -20,14 +20,16 @@ import dagger.android.DispatchingAndroidInjector
 import dagger.android.support.HasSupportFragmentInjector
 import kotlinx.android.synthetic.main.app_bar_chat_room.*
 import javax.inject.Inject
+import timber.log.Timber
 
 
-fun Context.chatRoomIntent(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean): Intent {
+fun Context.chatRoomIntent(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean, chatRoomLastSeen: Long): Intent {
     return Intent(this, ChatRoomActivity::class.java).apply {
         putExtra(INTENT_CHAT_ROOM_ID, chatRoomId)
         putExtra(INTENT_CHAT_ROOM_NAME, chatRoomName)
         putExtra(INTENT_CHAT_ROOM_TYPE, chatRoomType)
         putExtra(INTENT_IS_CHAT_ROOM_READ_ONLY, isChatRoomReadOnly)
+        putExtra(INTENT_CHAT_ROOM_LAST_SEEN, chatRoomLastSeen)
     }
 }
 
@@ -35,6 +37,7 @@ private const val INTENT_CHAT_ROOM_ID = "chat_room_id"
 private const val INTENT_CHAT_ROOM_NAME = "chat_room_name"
 private const val INTENT_CHAT_ROOM_TYPE = "chat_room_type"
 private const val INTENT_IS_CHAT_ROOM_READ_ONLY = "is_chat_room_read_only"
+private const val INTENT_CHAT_ROOM_LAST_SEEN = "chat_room_last_seen"
 
 class ChatRoomActivity : AppCompatActivity(), HasSupportFragmentInjector {
     @Inject lateinit var fragmentDispatchingAndroidInjector: DispatchingAndroidInjector<Fragment>
@@ -47,6 +50,7 @@ class ChatRoomActivity : AppCompatActivity(), HasSupportFragmentInjector {
     private lateinit var chatRoomName: String
     private lateinit var chatRoomType: String
     private var isChatRoomReadOnly: Boolean = false
+    private var chatRoomLastSeen: Long = -1L
 
     override fun onCreate(savedInstanceState: Bundle?) {
         AndroidInjection.inject(this)
@@ -70,8 +74,10 @@ class ChatRoomActivity : AppCompatActivity(), HasSupportFragmentInjector {
 
         setupToolbar()
 
+        chatRoomLastSeen = intent.getLongExtra(INTENT_CHAT_ROOM_LAST_SEEN, -1)
+
         addFragment("ChatRoomFragment", R.id.fragment_container) {
-            newInstance(chatRoomId, chatRoomName, chatRoomType, isChatRoomReadOnly)
+            newInstance(chatRoomId, chatRoomName, chatRoomType, isChatRoomReadOnly, chatRoomLastSeen)
         }
     }
 

app/src/main/java/chat/rocket/android/chatroom/ui/ChatRoomFragment.kt

@@ -19,28 +19,32 @@ import chat.rocket.android.chatroom.adapter.ChatRoomAdapter
 import chat.rocket.android.chatroom.presentation.ChatRoomPresenter
 import chat.rocket.android.chatroom.presentation.ChatRoomView
 import chat.rocket.android.chatroom.viewmodel.BaseViewModel
+import chat.rocket.android.chatroom.viewmodel.MessageViewModel
 import chat.rocket.android.helper.EndlessRecyclerViewScrollListener
 import chat.rocket.android.helper.KeyboardHelper
 import chat.rocket.android.helper.MessageParser
 import chat.rocket.android.util.extensions.*
 import chat.rocket.android.widget.emoji.*
 import chat.rocket.core.internal.realtime.State
+import chat.rocket.core.model.Message
 import dagger.android.support.AndroidSupportInjection
 import io.reactivex.disposables.CompositeDisposable
 import kotlinx.android.synthetic.main.fragment_chat_room.*
 import kotlinx.android.synthetic.main.message_attachment_options.*
+import kotlinx.android.synthetic.main.item_chat.*
 import kotlinx.android.synthetic.main.message_composer.*
 import kotlinx.android.synthetic.main.message_list.*
 import timber.log.Timber
 import javax.inject.Inject
 
-fun newInstance(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean): Fragment {
+fun newInstance(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean, chatRoomLastSeen: Long): Fragment {
     return ChatRoomFragment().apply {
         arguments = Bundle(1).apply {
             putString(BUNDLE_CHAT_ROOM_ID, chatRoomId)
             putString(BUNDLE_CHAT_ROOM_NAME, chatRoomName)
             putString(BUNDLE_CHAT_ROOM_TYPE, chatRoomType)
             putBoolean(BUNDLE_IS_CHAT_ROOM_READ_ONLY, isChatRoomReadOnly)
+            putLong(BUNDLE_CHAT_ROOM_LAST_SEEN, chatRoomLastSeen)
         }
     }
 }
@@ -50,18 +54,18 @@ private const val BUNDLE_CHAT_ROOM_NAME = "chat_room_name"
 private const val BUNDLE_CHAT_ROOM_TYPE = "chat_room_type"
 private const val BUNDLE_IS_CHAT_ROOM_READ_ONLY = "is_chat_room_read_only"
 private const val REQUEST_CODE_FOR_PERFORM_SAF = 42
+private const val BUNDLE_CHAT_ROOM_LAST_SEEN = "chat_room_last_seen"
 
 class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiReactionListener {
     @Inject lateinit var presenter: ChatRoomPresenter
     @Inject lateinit var parser: MessageParser
     private lateinit var adapter: ChatRoomAdapter
-
     private lateinit var chatRoomId: String
     private lateinit var chatRoomName: String
     private lateinit var chatRoomType: String
     private lateinit var emojiKeyboardPopup: EmojiKeyboardPopup
     private var isChatRoomReadOnly: Boolean = false
-
+    private var chatRoomLastSeen: Long = -1
     private lateinit var actionSnackbar: ActionSnackbar
     private var citation: String? = null
     private var editingMessageId: String? = null
@@ -86,6 +90,7 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
             chatRoomName = bundle.getString(BUNDLE_CHAT_ROOM_NAME)
             chatRoomType = bundle.getString(BUNDLE_CHAT_ROOM_TYPE)
             isChatRoomReadOnly = bundle.getBoolean(BUNDLE_IS_CHAT_ROOM_READ_ONLY)
+            chatRoomLastSeen = bundle.getLong(BUNDLE_CHAT_ROOM_LAST_SEEN)
         } else {
             requireNotNull(bundle) { "no arguments supplied when the fragment was instantiated" }
         }
@@ -149,6 +154,27 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
     }
 
     override fun showMessages(dataSet: List<BaseViewModel<*>>) {
+        // track the message sent immediately after the current message
+        var prevMessageViewModel : MessageViewModel? = null
+
+        // Loop over received messages to determine first unread
+        for (i in dataSet.indices) {
+            val msgModel = dataSet[i]
+
+            if (msgModel is MessageViewModel){
+                val msg = msgModel.rawData
+                if (msg.timestamp < chatRoomLastSeen) {
+                    // This message was sent before the last seen of the room. Hence, it was seen.
+                    // if there is a message after (below) this, mark it firstUnread.
+                    if (prevMessageViewModel != null) {
+                        prevMessageViewModel.isFirstUnread = true
+                    }
+                    break
+                }
+                prevMessageViewModel = msgModel
+            }
+        }
+
         activity?.apply {
             if (recycler_view.adapter == null) {
                 adapter = ChatRoomAdapter(chatRoomType, chatRoomName, presenter,
@@ -213,6 +239,9 @@ class ChatRoomFragment : Fragment(), ChatRoomView, EmojiKeyboardListener, EmojiR
 
     override fun dispatchUpdateMessage(index: Int, message: List<BaseViewModel<*>>) {
         adapter.updateItem(message.last())
+        if (message.size > 1) {
+            adapter.prependData(listOf(message.first()))
+        }
     }
 
     override fun dispatchDeleteMessage(msgId: String) {

app/src/main/java/chat/rocket/android/chatroom/viewmodel/MessageViewModel.kt

@@ -13,7 +13,8 @@ data class MessageViewModel(
         override val content: CharSequence,
         override val isPinned: Boolean,
         override var reactions: List<ReactionViewModel>,
-        override var nextDownStreamMessage: BaseViewModel<*>? = null
+        override var nextDownStreamMessage: BaseViewModel<*>? = null,
+        var isFirstUnread: Boolean
 ) : BaseMessageViewModel<Message> {
     override val viewType: Int
         get() = BaseViewModel.ViewType.MESSAGE.viewType

app/src/main/java/chat/rocket/android/chatroom/viewmodel/ViewModelMapper.kt

@@ -140,16 +140,19 @@ class ViewModelMapper @Inject constructor(private val context: Context,
                     val quoteUrl = HttpUrl.parse(url.url)
                     val serverUrl = HttpUrl.parse(baseUrl)
                     if (quoteUrl != null && serverUrl != null) {
-                        quote = makeQuote(quoteUrl, serverUrl)
+                        quote = makeQuote(quoteUrl, serverUrl)?.let {
+                            getMessageWithoutQuoteMarkdown(it)
+                        }
                     }
                 }
             }
         }
 
-        val content = getContent(context, message, quote)
-        MessageViewModel(message = message, rawData = message, messageId = message.id,
-                avatar = avatar!!, time = time, senderName = sender,
-                content = content, isPinned = message.pinned, reactions = getReactions(message))
+        val content = getContent(context, getMessageWithoutQuoteMarkdown(message), quote)
+        MessageViewModel(message = getMessageWithoutQuoteMarkdown(message), rawData = message,
+                messageId = message.id, avatar = avatar!!, time = time, senderName = sender,
+                content = content, isPinned = message.pinned, reactions = getReactions(message),
+                isFirstUnread = false)
     }
 
     private fun getReactions(message: Message): List<ReactionViewModel> {
@@ -171,6 +174,13 @@ class ViewModelMapper @Inject constructor(private val context: Context,
         return reactions ?: emptyList()
     }
 
+    private fun getMessageWithoutQuoteMarkdown(message: Message): Message {
+        val baseUrl = settings.baseUrl()
+        return message.copy(
+                message = message.message.replace("\\[\\s\\]\\($baseUrl.*\\)".toRegex(), "").trim()
+        )
+    }
+
     private fun getSenderName(message: Message): CharSequence {
         if (!message.senderAlias.isNullOrEmpty()) {
             return message.senderAlias!!
@@ -215,7 +225,7 @@ class ViewModelMapper @Inject constructor(private val context: Context,
         var quoteViewModel: MessageViewModel? = null
         if (quote != null) {
             val quoteMessage: Message = quote
-            quoteViewModel = map(quoteMessage).first { it is MessageViewModel } as MessageViewModel
+            quoteViewModel = mapMessage(quoteMessage)
         }
         return parser.renderMarkdown(message.message, quoteViewModel, currentUsername)
     }

app/src/main/java/chat/rocket/android/chatrooms/presentation/ChatRoomsNavigator.kt

@@ -7,8 +7,8 @@ import chat.rocket.android.main.ui.MainActivity
 
 class ChatRoomsNavigator(private val activity: MainActivity, private val context: Context) {
 
-    fun toChatRoom(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean) {
-        activity.startActivity(context.chatRoomIntent(chatRoomId, chatRoomName, chatRoomType, isChatRoomReadOnly))
+    fun toChatRoom(chatRoomId: String, chatRoomName: String, chatRoomType: String, isChatRoomReadOnly: Boolean, chatRoomLastSeen: Long) {
+        activity.startActivity(context.chatRoomIntent(chatRoomId, chatRoomName, chatRoomType, isChatRoomReadOnly, chatRoomLastSeen))
         activity.overridePendingTransition(R.anim.open_enter, R.anim.open_exit)
     }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/chatrooms/presentation/ChatRoomsPresenter.kt

@@ -68,7 +68,7 @@ class ChatRoomsPresenter @Inject constructor(private val view: ChatRoomsView,
         }
 
         navigator.toChatRoom(chatRoom.id, roomName,
-                chatRoom.type.toString(), chatRoom.readonly ?: false)
+                chatRoom.type.toString(), chatRoom.readonly ?: false, chatRoom.lastSeen ?: -1)
     }
 
     /**

app/src/main/java/chat/rocket/android/helper/AnimationHelper.kt

-package chat.rocket.android.helper
-
-import android.animation.Animator
-import android.animation.AnimatorListenerAdapter
-import android.animation.AnimatorSet
-import android.animation.ObjectAnimator
-import android.content.Context
-import android.os.Build
-import android.os.VibrationEffect
-import android.os.Vibrator
-import android.view.View
-
-object AnimationHelper {
-
-    /**
-     * Shakes a view.
-     */
-    fun shakeView(viewToShake: View, x: Float = 2F, num: Int = 0) {
-        if (num == 6) {
-            viewToShake.translationX = 0.toFloat()
-            return
-        }
-
-        val animatorSet = AnimatorSet()
-        animatorSet.playTogether(ObjectAnimator.ofFloat(viewToShake, "translationX", dp(viewToShake.context, x)))
-        animatorSet.duration = 50
-        animatorSet.addListener(object : AnimatorListenerAdapter() {
-            override fun onAnimationEnd(animation: Animator) {
-                shakeView(viewToShake, if (num == 5) 0.toFloat() else -x, num + 1)
-            }
-        })
-        animatorSet.start()
-    }
-
-    /**
-     * Vibrates the smart phone.
-     */
-    fun vibrateSmartPhone(context: Context) {
-        val vibrator = context.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
-        if (Build.VERSION.SDK_INT >= 26) {
-            vibrator.vibrate(VibrationEffect.createOneShot(200, VibrationEffect.DEFAULT_AMPLITUDE))
-        } else {
-            vibrator.vibrate(200)
-        }
-    }
-
-    private fun dp(context: Context, value: Float): Float {
-        val density = context.resources.displayMetrics.density
-        val result = Math.ceil(density.times(value.toDouble()))
-        return result.toFloat()
-    }
-}
\ No newline at end of file

app/src/main/java/chat/rocket/android/helper/MessageParser.kt

@@ -59,6 +59,7 @@ class MessageParser @Inject constructor(val context: Application, private val co
             parentNode.appendChild(quoteNode)
             quoteNode.accept(QuoteMessageSenderVisitor(context, configuration, builder, senderName.length))
             quoteNode = parser.parse("> ${toLenientMarkdown(quote.rawData.message)}")
+            quoteNode.accept(EmojiVisitor(builder))
             quoteNode.accept(QuoteMessageBodyVisitor(context, configuration, builder))
         }
         parentNode.accept(LinkVisitor(builder))

app/src/main/java/chat/rocket/android/helper/UrlHelper.kt

@@ -13,6 +13,17 @@ object UrlHelper {
      */
     fun getAvatarUrl(serverUrl: String, avatarName: String): String = removeTrailingSlash(serverUrl) + "/avatar/" + avatarName
 
+    /**
+     * Returns the CAS URL.
+     *
+     * @param casLoginUrl The CAS login URL from the server settings.
+     * @param serverUrl The server URL.
+     * @param token The token to be send to the CAS server.
+     * @return The avatar URL.
+     */
+    fun getCasUrl(casLoginUrl: String, serverUrl: String, token: String): String =
+        removeTrailingSlash(casLoginUrl) + "?service=" + removeTrailingSlash(serverUrl) + "/_cas/" + token
+
     /**
      * Returns the server's Terms of Service URL.
      *

app/src/main/java/chat/rocket/android/members/viewmodel/MemberViewModelMapper.kt

@@ -8,7 +8,7 @@ import chat.rocket.core.model.Value
 import javax.inject.Inject
 
 class MemberViewModelMapper @Inject constructor(serverInteractor: GetCurrentServerInteractor, getSettingsInteractor: GetSettingsInteractor) {
-    private var settings: Map<String, Value<Any>> = getSettingsInteractor.get(serverInteractor.get()!!)!!
+    private var settings: Map<String, Value<Any>> = getSettingsInteractor.get(serverInteractor.get()!!)
     private val baseUrl = settings.baseUrl()
 
     fun mapToViewModelList(memberList: List<User>): List<MemberViewModel> {

app/src/main/java/chat/rocket/android/server/domain/RefreshSettingsInteractor.kt

@@ -11,13 +11,17 @@ class RefreshSettingsInteractor @Inject constructor(private val factory: RocketC
                                                     private val repository: SettingsRepository) {
 
     private var settingsFilter = arrayOf(
+        LDAP_ENABLE, CAS_ENABLE, CAS_LOGIN_URL,
+
+        ACCOUNT_REGISTRATION, ACCOUNT_LOGIN_FORM, ACCOUNT_PASSWORD_RESET, ACCOUNT_CUSTOM_FIELDS,
+        ACCOUNT_GOOGLE, ACCOUNT_FACEBOOK, ACCOUNT_GITHUB, ACCOUNT_LINKEDIN, ACCOUNT_METEOR,
+        ACCOUNT_TWITTER, ACCOUNT_WORDPRESS, ACCOUNT_GITLAB,
+
         SITE_URL, SITE_NAME, FAVICON_512, USE_REALNAME, ALLOW_ROOM_NAME_SPECIAL_CHARS,
-        FAVORITE_ROOMS, ACCOUNT_LOGIN_FORM, ACCOUNT_GOOGLE, ACCOUNT_FACEBOOK, ACCOUNT_GITHUB,
-        ACCOUNT_GITLAB, ACCOUNT_LINKEDIN, ACCOUNT_METEOR, ACCOUNT_TWITTER, ACCOUNT_WORDPRESS,
-        LDAP_ENABLE, ACCOUNT_REGISTRATION, UPLOAD_STORAGE_TYPE, UPLOAD_MAX_FILE_SIZE,
-        UPLOAD_WHITELIST_MIMETYPES, HIDE_USER_JOIN, HIDE_USER_LEAVE, HIDE_TYPE_AU, HIDE_MUTE_UNMUTE,
-        HIDE_TYPE_RU, ACCOUNT_CUSTOM_FIELDS, ALLOW_MESSAGE_DELETING, ALLOW_MESSAGE_EDITING,
-        ALLOW_MESSAGE_PINNING, SHOW_DELETED_STATUS, SHOW_EDITED_STATUS)
+        FAVORITE_ROOMS, UPLOAD_STORAGE_TYPE, UPLOAD_MAX_FILE_SIZE, UPLOAD_WHITELIST_MIMETYPES,
+        HIDE_USER_JOIN, HIDE_USER_LEAVE,
+        HIDE_TYPE_AU, HIDE_MUTE_UNMUTE, HIDE_TYPE_RU, ALLOW_MESSAGE_DELETING,
+        ALLOW_MESSAGE_EDITING, ALLOW_MESSAGE_PINNING, SHOW_DELETED_STATUS, SHOW_EDITED_STATUS)
 
     suspend fun refresh(server: String) {
         withContext(CommonPool) {

app/src/main/java/chat/rocket/android/server/domain/SettingsRepository.kt

@@ -7,20 +7,25 @@ typealias PublicSettings = Map<String, Value<Any>>
 
 interface SettingsRepository {
     fun save(url: String, settings: PublicSettings)
-    fun get(url: String): PublicSettings?
+    fun get(url: String): PublicSettings
 }
 
+// Authentication methods.
+const val LDAP_ENABLE = "LDAP_Enable"
+const val CAS_ENABLE = "CAS_enabled"
+const val CAS_LOGIN_URL = "CAS_login_url"
+const val ACCOUNT_REGISTRATION = "Accounts_RegistrationForm"
+const val ACCOUNT_LOGIN_FORM = "Accounts_ShowFormLogin"
+const val ACCOUNT_PASSWORD_RESET = "Accounts_PasswordReset"
+const val ACCOUNT_CUSTOM_FIELDS = "Accounts_CustomFields"
+const val ACCOUNT_GOOGLE = "Accounts_OAuth_Google"
 const val ACCOUNT_FACEBOOK = "Accounts_OAuth_Facebook"
 const val ACCOUNT_GITHUB = "Accounts_OAuth_Github"
-const val ACCOUNT_GITLAB = "Accounts_OAuth_Gitlab"
-const val ACCOUNT_GOOGLE = "Accounts_OAuth_Google"
 const val ACCOUNT_LINKEDIN = "Accounts_OAuth_Linkedin"
 const val ACCOUNT_METEOR = "Accounts_OAuth_Meteor"
 const val ACCOUNT_TWITTER = "Accounts_OAuth_Twitter"
 const val ACCOUNT_WORDPRESS = "Accounts_OAuth_Wordpress"
-const val ACCOUNT_REGISTRATION = "Accounts_RegistrationForm"
-const val ACCOUNT_LOGIN_FORM = "Accounts_ShowFormLogin"
-const val ACCOUNT_CUSTOM_FIELDS = "Accounts_CustomFields"
+const val ACCOUNT_GITLAB = "Accounts_OAuth_Gitlab"
 
 const val SITE_URL = "Site_Url"
 const val SITE_NAME = "Site_Name"
@@ -28,7 +33,6 @@ const val FAVICON_512 = "Assets_favicon_512"
 const val USE_REALNAME = "UI_Use_Real_Name"
 const val ALLOW_ROOM_NAME_SPECIAL_CHARS = "UI_Allow_room_names_with_special_chars"
 const val FAVORITE_ROOMS = "Favorite_Rooms"
-const val LDAP_ENABLE = "LDAP_Enable"
 const val UPLOAD_STORAGE_TYPE = "FileUpload_Storage_Type"
 const val UPLOAD_MAX_FILE_SIZE = "FileUpload_MaxFileSize"
 const val UPLOAD_WHITELIST_MIMETYPES = "FileUpload_MediaTypeWhiteList"
@@ -42,23 +46,29 @@ const val ALLOW_MESSAGE_EDITING = "Message_AllowEditing"
 const val SHOW_DELETED_STATUS = "Message_ShowDeletedStatus"
 const val SHOW_EDITED_STATUS = "Message_ShowEditedStatus"
 const val ALLOW_MESSAGE_PINNING = "Message_AllowPinning"
+
 /*
  * Extension functions for Public Settings.
  *
  * If you need to access a Setting, add a const val key above, add it to the filter on
  * ServerPresenter.kt and a extension function to access it
  */
-fun PublicSettings.googleEnabled(): Boolean = this[ACCOUNT_GOOGLE]?.value == true
-fun PublicSettings.facebookEnabled(): Boolean = this[ACCOUNT_FACEBOOK]?.value == true
-fun PublicSettings.githubEnabled(): Boolean = this[ACCOUNT_GITHUB]?.value == true
-fun PublicSettings.linkedinEnabled(): Boolean = this[ACCOUNT_LINKEDIN]?.value == true
-fun PublicSettings.meteorEnabled(): Boolean = this[ACCOUNT_METEOR]?.value == true
-fun PublicSettings.twitterEnabled(): Boolean = this[ACCOUNT_TWITTER]?.value == true
-fun PublicSettings.gitlabEnabled(): Boolean = this[ACCOUNT_GITLAB]?.value == true
-fun PublicSettings.wordpressEnabled(): Boolean = this[ACCOUNT_WORDPRESS]?.value == true
+fun PublicSettings.isLdapAuthenticationEnabled(): Boolean = this[LDAP_ENABLE]?.value == true
+fun PublicSettings.isCasAuthenticationEnabled(): Boolean = this[CAS_ENABLE]?.value == true
+fun PublicSettings.casLoginUrl(): String = this[CAS_LOGIN_URL]?.value.toString()
+fun PublicSettings.isRegistrationEnabledForNewUsers(): Boolean = this[ACCOUNT_REGISTRATION]?.value == "Public"
+fun PublicSettings.isLoginFormEnabled(): Boolean = this[ACCOUNT_LOGIN_FORM]?.value == true
+fun PublicSettings.isPasswordResetEnabled(): Boolean = this[ACCOUNT_PASSWORD_RESET]?.value == true
+fun PublicSettings.isGoogleAuthenticationEnabled(): Boolean = this[ACCOUNT_GOOGLE]?.value == true
+fun PublicSettings.isFacebookAuthenticationEnabled(): Boolean = this[ACCOUNT_FACEBOOK]?.value == true
+fun PublicSettings.isGithubAuthenticationEnabled(): Boolean = this[ACCOUNT_GITHUB]?.value == true
+fun PublicSettings.isLinkedinAuthenticationEnabled(): Boolean = this[ACCOUNT_LINKEDIN]?.value == true
+fun PublicSettings.isMeteorAuthenticationEnabled(): Boolean = this[ACCOUNT_METEOR]?.value == true
+fun PublicSettings.isTwitterAuthenticationEnabled(): Boolean = this[ACCOUNT_TWITTER]?.value == true
+fun PublicSettings.isGitlabAuthenticationEnabled(): Boolean = this[ACCOUNT_GITLAB]?.value == true
+fun PublicSettings.isWordpressAuthenticationEnabled(): Boolean = this[ACCOUNT_WORDPRESS]?.value == true
 
 fun PublicSettings.useRealName(): Boolean = this[USE_REALNAME]?.value == true
-fun PublicSettings.ldapEnabled(): Boolean = this[LDAP_ENABLE]?.value == true
 
 // Message settings
 fun PublicSettings.showDeletedStatus(): Boolean = this[SHOW_DELETED_STATUS]?.value == true
@@ -67,11 +77,6 @@ fun PublicSettings.allowedMessagePinning(): Boolean = this[ALLOW_MESSAGE_PINNING
 fun PublicSettings.allowedMessageEditing(): Boolean = this[ALLOW_MESSAGE_EDITING]?.value == true
 fun PublicSettings.allowedMessageDeleting(): Boolean = this[ALLOW_MESSAGE_DELETING]?.value == true
 
-fun PublicSettings.registrationEnabled(): Boolean {
-    val value = this[ACCOUNT_REGISTRATION]
-    return value?.value == "Public"
-}
-
 fun PublicSettings.uploadMimeTypeFilter(): Array<String> {
     val values = this[UPLOAD_WHITELIST_MIMETYPES]?.value
     values?.let { it as String }?.split(",")?.let {

app/src/main/java/chat/rocket/android/server/infraestructure/SharedPreferencesSettingsRepository.kt

@@ -14,12 +14,10 @@ class SharedPreferencesSettingsRepository(private val localRepository: LocalRepo
         localRepository.save("$SETTINGS_KEY$url", adapter.toJson(settings))
     }
 
-    override fun get(url: String): PublicSettings? {
-        val settings = localRepository.get("$SETTINGS_KEY$url")
-        settings?.let {
-            return adapter.fromJson(it)
+    override fun get(url: String): PublicSettings {
+        val settings = localRepository.get("$SETTINGS_KEY$url")!!
+        settings.let {
+            return adapter.fromJson(it)!!
         }
-
-        return null
     }
 }
\ No newline at end of file

app/src/main/java/chat/rocket/android/util/extensions/Animation.kt

 package chat.rocket.android.util.extensions
 
+import android.animation.Animator
+import android.animation.AnimatorListenerAdapter
+import android.animation.AnimatorSet
+import android.animation.ObjectAnimator
+import android.content.Context
+import android.os.Build
+import android.os.VibrationEffect
+import android.os.Vibrator
+import android.support.v4.app.Fragment
 import android.view.View
 import android.view.ViewAnimationUtils
 import android.view.animation.AccelerateInterpolator
@@ -64,3 +73,36 @@ fun View.circularRevealOrUnreveal(centerX: Int, centerY: Int, startRadius: Float
 
     anim.start()
 }
+
+fun View.shake(x: Float = 2F, num: Int = 0){
+    if (num == 6) {
+        this.translationX = 0.toFloat()
+        return
+    }
+
+    val animatorSet = AnimatorSet()
+    animatorSet.playTogether(ObjectAnimator.ofFloat(this, "translationX", this.context.dp(x)))
+    animatorSet.duration = 50
+    animatorSet.addListener(object : AnimatorListenerAdapter() {
+        override fun onAnimationEnd(animation: Animator) {
+            shake(if (num == 5) 0.toFloat() else -x, num + 1)
+        }
+    })
+    animatorSet.start()
+}
+
+fun Context.dp(value: Float): Float {
+    val density = this.resources.displayMetrics.density
+    val result = Math.ceil(density.times(value.toDouble()))
+    return result.toFloat()
+}
+
+fun Fragment.vibrateSmartPhone() {
+    val vibrator = context?.getSystemService(Context.VIBRATOR_SERVICE) as Vibrator
+    if (Build.VERSION.SDK_INT >= 26) {
+        vibrator.vibrate(VibrationEffect.createOneShot(200, VibrationEffect.DEFAULT_AMPLITUDE))
+    } else {
+        vibrator.vibrate(200)
+    }
+
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/util/extensions/Text.kt

@@ -9,6 +9,7 @@ import android.widget.TextView
 import chat.rocket.android.widget.emoji.EmojiParser
 import chat.rocket.android.widget.emoji.EmojiTypefaceSpan
 import ru.noties.markwon.Markwon
+import java.security.SecureRandom
 
 fun String.ifEmpty(value: String): String {
     if (isEmpty()) {
@@ -34,6 +35,17 @@ fun EditText.erase() {
 
 fun String.isEmailValid(): Boolean = Patterns.EMAIL_ADDRESS.matcher(this).matches()
 
+fun generateRandomString(stringLength: Int): String {
+    val base = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+    val secureRandom = SecureRandom()
+
+    val stringBuilder = StringBuilder(stringLength)
+    for (i in 0 until stringLength) {
+        stringBuilder.append(base[secureRandom.nextInt(base.length)])
+    }
+    return stringBuilder.toString()
+}
+
 var TextView.textContent: String
     get() = text.toString()
     set(value) {

app/src/main/java/chat/rocket/android/webview/cas/ui/CasWebViewActivity.kt

+package chat.rocket.android.webview.cas.ui
+
+import android.annotation.SuppressLint
+import android.app.Activity
+import android.content.Context
+import android.content.Intent
+import android.graphics.Bitmap
+import android.os.Bundle
+import android.support.v7.app.AppCompatActivity
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import chat.rocket.android.R
+import kotlinx.android.synthetic.main.activity_web_view.*
+import kotlinx.android.synthetic.main.app_bar.*
+
+fun Context.webViewIntent(webPageUrl: String, casToken: String): Intent {
+    return Intent(this, CasWebViewActivity::class.java).apply {
+        putExtra(INTENT_WEB_PAGE_URL, webPageUrl)
+        putExtra(INTENT_CAS_TOKEN, casToken)
+    }
+}
+
+private const val INTENT_WEB_PAGE_URL = "web_page_url"
+private const val INTENT_CAS_TOKEN = "cas_token"
+
+class CasWebViewActivity : AppCompatActivity() {
+    private lateinit var webPageUrl: String
+    private lateinit var casToken: String
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_web_view)
+
+        webPageUrl = intent.getStringExtra(INTENT_WEB_PAGE_URL)
+        requireNotNull(webPageUrl) { "no web_page_url provided in Intent extras" }
+
+        casToken = intent.getStringExtra(INTENT_CAS_TOKEN)
+        requireNotNull(casToken) { "no cas_token provided in Intent extras" }
+
+        setupToolbar()
+    }
+
+    override fun onResume() {
+        super.onResume()
+        setupWebView()
+    }
+
+    override fun onBackPressed() {
+        if (web_view.canGoBack()) {
+            web_view.goBack()
+        } else {
+            finishActivity(false)
+        }
+    }
+
+    private fun setupToolbar() {
+        toolbar.title = getString(R.string.title_authentication)
+        toolbar.setNavigationIcon(R.drawable.ic_close_white_24dp)
+        toolbar.setNavigationOnClickListener { finishActivity(false) }
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    private fun setupWebView() {
+        web_view.settings.javaScriptEnabled = true
+        web_view.webViewClient = object : WebViewClient() {
+            override fun onPageStarted(view: WebView, url: String, favicon: Bitmap?) {
+                // The user can be already logged in the CAS, so check if the URL contains the "ticket" word
+                // (that means he/she is successful authenticated and we don't need to wait until the page is finished.
+                if (url.contains("ticket")) {
+                    finishActivity(true)
+                }
+            }
+
+            override fun onPageFinished(view: WebView, url: String) {
+                if (url.contains("ticket")) {
+                    finishActivity(true)
+                } else {
+                    view_loading.hide()
+                }
+            }
+        }
+        web_view.loadUrl(webPageUrl)
+    }
+
+    private fun finishActivity(setResultOk: Boolean) {
+        if (setResultOk) {
+            setResult(Activity.RESULT_OK, Intent().putExtra(INTENT_CAS_TOKEN, casToken))
+            finish()
+        } else {
+            super.onBackPressed()
+        }
+        overridePendingTransition(R.anim.hold, R.anim.slide_down)
+    }
+}
\ No newline at end of file

app/src/main/java/chat/rocket/android/webview/WebViewActivity.kt → app/src/main/java/chat/rocket/android/webview/ui/WebViewActivity.kt

-package chat.rocket.android.webview
+package chat.rocket.android.webview.ui
 
 import android.annotation.SuppressLint
 import android.content.Context
@@ -19,6 +19,7 @@ fun Context.webViewIntent(webPageUrl: String): Intent {
 
 private const val INTENT_WEB_PAGE_URL = "web_page_url"
 
+// Simple WebView to load URL.
 class WebViewActivity : AppCompatActivity() {
     private lateinit var webPageUrl: String
 

app/src/main/res/layout/activity_web_view.xml

@@ -4,7 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".webview.WebViewActivity">
+    tools:context=".webview.ui.WebViewActivity">
 
     <include
         android:id="@+id/layout_app_bar"

app/src/main/res/layout/fragment_authentication_log_in.xml

@@ -45,6 +45,19 @@
             app:layout_constraintRight_toRightOf="parent"
             app:layout_constraintTop_toBottomOf="@+id/text_username_or_email" />
 
+        <Button
+            android:id="@+id/button_cas"
+            style="@style/Authentication.Button"
+            android:layout_marginEnd="@dimen/screen_edge_left_and_right_margins"
+            android:layout_marginStart="@dimen/screen_edge_left_and_right_margins"
+            android:layout_marginTop="16dp"
+            android:text="@string/action_login_or_sign_up"
+            android:visibility="gone"
+            app:layout_constraintLeft_toLeftOf="parent"
+            app:layout_constraintRight_toRightOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/text_password"
+            tools:visibility="visible" />
+
         <TextView
             android:id="@+id/text_new_to_rocket_chat"
             android:layout_width="wrap_content"
@@ -57,7 +70,7 @@
             android:visibility="gone"
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintRight_toRightOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/text_password"
+            app:layout_constraintTop_toBottomOf="@+id/button_cas"
             tools:visibility="visible" />
 
         <com.wang.avi.AVLoadingIndicatorView
@@ -69,7 +82,7 @@
             app:indicatorName="BallPulseIndicator"
             app:layout_constraintLeft_toLeftOf="parent"
             app:layout_constraintRight_toRightOf="parent"
-            app:layout_constraintTop_toBottomOf="@+id/text_password"
+            app:layout_constraintTop_toBottomOf="@+id/button_cas"
             tools:visibility="visible" />
 
         <LinearLayout
@@ -195,9 +208,8 @@
             android:id="@+id/button_log_in"
             style="@style/Authentication.Button"
             android:text="@string/title_log_in"
-            android:visibility="visible"
-            app:layout_constraintBottom_toBottomOf="parent"
-            tools:visibility="gone" />
+            android:visibility="gone"
+            app:layout_constraintBottom_toBottomOf="parent" />
     </android.support.constraint.ConstraintLayout>
 
 </ScrollView>
\ No newline at end of file

app/src/main/res/layout/item_chat.xml

@@ -4,10 +4,11 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginBottom="12dp"
-    android:layout_marginEnd="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginStart="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginTop="12dp">
+    android:background="?android:attr/selectableItemBackground"
+    android:paddingStart="@dimen/screen_edge_left_and_right_padding"
+    android:paddingEnd="@dimen/screen_edge_left_and_right_padding"
+    android:paddingTop="@dimen/chat_item_top_and_bottom_padding"
+    android:paddingBottom="@dimen/chat_item_top_and_bottom_padding">
 
     <include
         android:id="@+id/layout_avatar"

app/src/main/res/layout/item_member.xml

@@ -4,10 +4,11 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginBottom="6dp"
-    android:layout_marginEnd="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginStart="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginTop="6dp">
+    android:background="?android:attr/selectableItemBackground"
+    android:paddingBottom="@dimen/member_item_top_and_bottom_padding"
+    android:paddingEnd="@dimen/screen_edge_left_and_right_padding"
+    android:paddingStart="@dimen/screen_edge_left_and_right_padding"
+    android:paddingTop="@dimen/member_item_top_and_bottom_padding">
 
     <include
         android:id="@+id/layout_avatar"

app/src/main/res/layout/item_message.xml

@@ -4,10 +4,13 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:layout_marginBottom="6dp"
-    android:layout_marginEnd="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginStart="@dimen/screen_edge_left_and_right_margins"
-    android:layout_marginTop="6dp">
+    android:background="?android:attr/selectableItemBackground"
+    android:clickable="true"
+    android:paddingStart="@dimen/screen_edge_left_and_right_padding"
+    android:paddingEnd="@dimen/screen_edge_left_and_right_padding"
+    android:paddingTop="@dimen/message_item_top_and_bottom_padding"
+    android:paddingBottom="@dimen/message_item_top_and_bottom_padding"
+    android:focusable="true">
 
     <include
         android:id="@+id/layout_avatar"
@@ -16,7 +19,30 @@
         android:layout_height="40dp"
         android:layout_marginTop="5dp"
         app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toBottomOf="@id/new_messages_notif" />
+
+    <LinearLayout
+        android:id="@+id/new_messages_notif"
+        tools:visibility="visible"
+        android:visibility="gone"
+        android:orientation="horizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+        <View
+            android:layout_gravity="center"
+            android:layout_height="1dp"
+            android:layout_width="0dp"
+            android:layout_weight="1"
+            android:layout_marginRight="4dp"
+            android:background="@color/red"/>
+        <TextView
+            android:layout_width="wrap_content"
+            android:text="@string/msg_unread_messages"
+            android:layout_height="wrap_content"
+            android:textColor="@color/red" />
+    </LinearLayout>
 
     <LinearLayout
         android:id="@+id/top_container"
@@ -24,6 +50,7 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="16dp"
         android:orientation="horizontal"
+        app:layout_constraintTop_toBottomOf="@id/new_messages_notif"
         app:layout_constraintLeft_toRightOf="@+id/layout_avatar">
 
         <TextView

app/src/main/res/layout/message_attachment.xml

@@ -5,6 +5,7 @@
     android:id="@+id/attachment_container"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:background="?android:attr/selectableItemBackground"
     android:orientation="vertical"
     android:paddingEnd="@dimen/screen_edge_left_and_right_margins"
     android:paddingStart="72dp">

app/src/main/res/layout/message_url_preview.xml

@@ -5,6 +5,7 @@
     android:id="@+id/url_preview_layout"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:background="?android:attr/selectableItemBackground"
     android:paddingEnd="24dp"
     android:paddingStart="72dp">
 

app/src/main/res/values-pt-rBR/strings.xml

@@ -4,6 +4,7 @@
     <string name="title_sign_in_your_server">Faça login no seu servidor</string>
     <string name="title_log_in">Entrar</string>
     <string name="title_sign_up">Inscreva-se</string>
+    <string name="title_authentication">Autenticação</string>
     <string name="title_legal_terms">Termos Legais</string>
     <string name="title_chats">Chats</string>
     <string name="title_profile">Perfil</string>
@@ -14,6 +15,7 @@
 
     <!-- Actions -->
     <string name="action_connect">Conectar</string>
+    <string name="action_login_or_sign_up">Toque este botão para fazer login ou criar uma conta</string>
     <string name="action_terms_of_service">Termos de Serviço</string>
     <string name="action_privacy_policy">Política de Privacidade</string>
     <string name="action_search">Pesquisar</string>
@@ -64,6 +66,7 @@
     <string name="msg_utc_offset">Deslocamento de UTC</string>
     <string name="msg_new_password">Informe a nova senha</string>
     <string name="msg_confirm_password">Confirme a nova senha</string>
+    <string name="msg_unread_messages">Mensagens não lidas</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">Nome da sala alterado para: %1$s por %2$s</string>

app/src/main/res/values/dimens.xml

@@ -4,6 +4,11 @@
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="screen_edge_left_and_right_margins">16dp</dimen>
 
+    <dimen name="screen_edge_left_and_right_padding">16dp</dimen>
+    <dimen name="chat_item_top_and_bottom_padding">12dp</dimen>
+    <dimen name="message_item_top_and_bottom_padding">6dp</dimen>
+    <dimen name="member_item_top_and_bottom_padding">6dp</dimen>
+
     <dimen name="edit_text_margin">10dp</dimen>
     <dimen name="edit_text_drawable_padding">16dp</dimen>
 

app/src/main/res/values/strings.xml

@@ -5,6 +5,7 @@
     <string name="title_sign_in_your_server">Sign in your server</string>
     <string name="title_log_in">Log in</string>
     <string name="title_sign_up">Sign up</string>
+    <string name="title_authentication">Authentication</string>
     <string name="title_legal_terms">Legal Terms</string>
     <string name="title_chats">Chats</string>
     <string name="title_profile">Profile</string>
@@ -15,6 +16,7 @@
 
     <!-- Actions -->
     <string name="action_connect">Connect</string>
+    <string name="action_login_or_sign_up">Tap this button to log in or create an account</string>
     <string name="action_terms_of_service">Terms of Service</string>
     <string name="action_privacy_policy">Privacy Policy</string>
     <string name="action_search">Search</string>
@@ -66,6 +68,7 @@
     <string name="msg_utc_offset">UTC offset</string>
     <string name="msg_new_password">Enter New Password</string>
     <string name="msg_confirm_password">Confirm New Password</string>
+    <string name="msg_unread_messages">Unread messages</string>
 
     <!-- System messages -->
     <string name="message_room_name_changed">Room name changed to: %1$s by %2$s</string>