Room decoration - UI

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/crypto/RoomEncryptionTrustLevel.kt

@@ -0,0 +1,31 @@
+/*
+ * Copyright 2020 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.matrix.android.api.crypto
+
+/**
+ * RoomEncryptionTrustLevel represents the trust level in an encrypted room.
+ */
+enum class RoomEncryptionTrustLevel {
+    // No one in the room has been verified -> Black shield
+    Default,
+
+    // There are one or more device un-verified -> the app should display a red shield
+    Warning,
+
+    // All devices in the room are verified -> the app should display a green shield
+    Trusted
+}

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/model/RoomSummary.kt

@@ -16,6 +16,7 @@
 
 package im.vector.matrix.android.api.session.room.model
 
+import im.vector.matrix.android.api.crypto.RoomEncryptionTrustLevel
 import im.vector.matrix.android.api.session.room.model.tag.RoomTag
 import im.vector.matrix.android.api.session.room.send.UserDraft
 import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
@@ -24,7 +25,7 @@ import im.vector.matrix.android.api.session.room.timeline.TimelineEvent
  * This class holds some data of a room.
  * It can be retrieved by [im.vector.matrix.android.api.session.room.Room] and [im.vector.matrix.android.api.session.room.RoomService]
  */
-data class RoomSummary(
+data class RoomSummary constructor(
         val roomId: String,
         val displayName: String = "",
         val topic: String = "",
@@ -46,7 +47,9 @@ data class RoomSummary(
         val userDrafts: List<UserDraft> = emptyList(),
         var isEncrypted: Boolean,
         val typingRoomMemberIds: List<String> = emptyList(),
-        val breadcrumbsIndex: Int = NOT_IN_BREADCRUMBS
+        val breadcrumbsIndex: Int = NOT_IN_BREADCRUMBS,
+        // TODO Plug it
+        val roomEncryptionTrustLevel: RoomEncryptionTrustLevel? = null
 ) {
 
     val isVersioned: Boolean

vector/src/main/java/im/vector/riotx/features/crypto/util/Extensions.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 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.crypto.util
+
+import androidx.annotation.DrawableRes
+import im.vector.matrix.android.api.crypto.RoomEncryptionTrustLevel
+import im.vector.riotx.R
+import im.vector.riotx.core.extensions.exhaustive
+
+@DrawableRes
+fun RoomEncryptionTrustLevel?.toImageRes(): Int {
+    return when (this) {
+        null                             -> 0
+        RoomEncryptionTrustLevel.Default -> R.drawable.ic_shield_black
+        RoomEncryptionTrustLevel.Warning -> R.drawable.ic_shield_warning
+        RoomEncryptionTrustLevel.Trusted -> R.drawable.ic_shield_trusted
+    }.exhaustive
+}

vector/src/main/java/im/vector/riotx/features/home/room/detail/RoomDetailFragment.kt

@@ -116,6 +116,7 @@ import im.vector.riotx.features.attachments.AttachmentTypeSelectorView
 import im.vector.riotx.features.attachments.AttachmentsHelper
 import im.vector.riotx.features.attachments.ContactAttachment
 import im.vector.riotx.features.command.Command
+import im.vector.riotx.features.crypto.util.toImageRes
 import im.vector.riotx.features.crypto.verification.VerificationBottomSheet
 import im.vector.riotx.features.home.AvatarRenderer
 import im.vector.riotx.features.home.room.detail.composer.TextComposerView
@@ -682,18 +683,23 @@ class RoomDetailFragment @Inject constructor(
     }
 
     private fun renderRoomSummary(state: RoomDetailViewState) {
-        state.asyncRoomSummary()?.let {
-            if (it.membership.isLeft()) {
+        state.asyncRoomSummary()?.let { roomSummary ->
+            if (roomSummary.membership.isLeft()) {
                 Timber.w("The room has been left")
                 activity?.finish()
             } else {
-                roomToolbarTitleView.text = it.displayName
-                avatarRenderer.render(it.toMatrixItem(), roomToolbarAvatarImageView)
+                roomToolbarTitleView.text = roomSummary.displayName
+                avatarRenderer.render(roomSummary.toMatrixItem(), roomToolbarAvatarImageView)
 
-                renderSubTitle(state.typingMessage, it.topic)
+                renderSubTitle(state.typingMessage, roomSummary.topic)
+            }
+            jumpToBottomView.count = roomSummary.notificationCount
+            jumpToBottomView.drawBadge = roomSummary.hasUnreadMessages
+
+            roomToolbarDecorationImageView.let {
+                it.setImageResource(roomSummary.roomEncryptionTrustLevel.toImageRes())
+                it.isVisible = roomSummary.roomEncryptionTrustLevel != null
             }
-            jumpToBottomView.count = it.notificationCount
-            jumpToBottomView.drawBadge = it.hasUnreadMessages
         }
     }
 

vector/src/main/res/layout/fragment_room_detail.xml

@@ -33,6 +33,16 @@
                 app:layout_constraintTop_toTopOf="parent"
                 tools:src="@tools:sample/avatars" />
 
+            <ImageView
+                android:id="@+id/roomToolbarDecorationImageView"
+                android:layout_width="20dp"
+                android:layout_height="20dp"
+                app:layout_constraintCircle="@+id/roomToolbarAvatarImageView"
+                app:layout_constraintCircleAngle="135"
+                app:layout_constraintCircleRadius="20dp"
+                tools:ignore="MissingConstraints"
+                tools:src="@drawable/ic_shield_trusted" />
+
             <TextView
                 android:id="@+id/roomToolbarTitleView"
                 android:layout_width="0dp"