Limit sticker size in the timeline

CHANGES.md

@@ -7,6 +7,7 @@ Features ✨:
 Improvements 🙌:
  - Handle navigation to room via room alias (#201)
  - Open matrix.to link in RiotX (#57)
+ - Limit sticker size in the timeline
 
 Other changes:
  - Use same default room colors than Riot-Web

matrix-sdk-android/src/main/java/im/vector/matrix/android/api/session/room/timeline/TimelineEvent.kt

@@ -104,7 +104,7 @@ fun TimelineEvent.getLastMessageContent(): MessageContent? {
         root.getClearContent().toModel<MessageStickerContent>()
     } else {
         annotations?.editSummary?.aggregatedContent?.toModel()
-        ?: root.getClearContent().toModel()
+                ?: root.getClearContent().toModel()
     }
 }
 
@@ -116,7 +116,7 @@ fun TimelineEvent.getLastMessageBody(): String? {
 
     if (lastMessageContent != null) {
         return lastMessageContent.newContent?.toModel<MessageContent>()?.body
-               ?: lastMessageContent.body
+                ?: lastMessageContent.body
     }
 
     return null

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/factory/MessageItemFactory.kt

@@ -182,7 +182,9 @@ class MessageItemFactory @Inject constructor(
                 .highlighted(highlight)
                 .mediaData(data)
                 .apply {
-                    if (messageContent.type != MessageType.MSGTYPE_STICKER_LOCAL) {
+                    if (messageContent.type == MessageType.MSGTYPE_STICKER_LOCAL) {
+                        mode(ImageContentRenderer.Mode.STICKER)
+                    } else {
                         clickListener(
                                 DebouncedClickListener(View.OnClickListener { view ->
                                     callback?.onImageMessageClicked(messageContent, data, view)

vector/src/main/java/im/vector/riotx/features/home/room/detail/timeline/item/MessageImageVideoItem.kt

@@ -36,6 +36,8 @@ abstract class MessageImageVideoItem : AbsMessageItem<MessageImageVideoItem.Hold
     @EpoxyAttribute
     var playable: Boolean = false
     @EpoxyAttribute
+    var mode = ImageContentRenderer.Mode.THUMBNAIL
+    @EpoxyAttribute
     var clickListener: View.OnClickListener? = null
     @EpoxyAttribute
     lateinit var imageContentRenderer: ImageContentRenderer
@@ -44,7 +46,7 @@ abstract class MessageImageVideoItem : AbsMessageItem<MessageImageVideoItem.Hold
 
     override fun bind(holder: Holder) {
         super.bind(holder)
-        imageContentRenderer.render(mediaData, ImageContentRenderer.Mode.THUMBNAIL, holder.imageView)
+        imageContentRenderer.render(mediaData, mode, holder.imageView)
         if (!attributes.informationData.sendState.hasFailed()) {
             contentUploadStateTrackerBinder.bind(attributes.informationData.eventId, mediaData.isLocalFile(), holder.progressLayout)
         } else {

vector/src/main/java/im/vector/riotx/features/media/ImageContentRenderer.kt

@@ -36,6 +36,7 @@ import im.vector.riotx.core.utils.isLocalFile
 import kotlinx.android.parcel.Parcelize
 import timber.log.Timber
 import javax.inject.Inject
+import kotlin.math.min
 
 class ImageContentRenderer @Inject constructor(private val activeSessionHolder: ActiveSessionHolder,
                                                private val dimensionConverter: DimensionConverter) {
@@ -56,7 +57,8 @@ class ImageContentRenderer @Inject constructor(private val activeSessionHolder:
 
     enum class Mode {
         FULL_SIZE,
-        THUMBNAIL
+        THUMBNAIL,
+        STICKER
     }
 
     fun render(data: Data, mode: Mode, imageView: ImageView) {
@@ -112,7 +114,8 @@ class ImageContentRenderer @Inject constructor(private val activeSessionHolder:
             // Clear image
             val contentUrlResolver = activeSessionHolder.getActiveSession().contentUrlResolver()
             val resolvedUrl = when (mode) {
-                Mode.FULL_SIZE -> contentUrlResolver.resolveFullSize(data.url)
+                Mode.FULL_SIZE,
+                Mode.STICKER   -> contentUrlResolver.resolveFullSize(data.url)
                 Mode.THUMBNAIL -> contentUrlResolver.resolveThumbnail(data.url, width, height, ContentUrlResolver.ThumbnailMethod.SCALE)
             }
             // Fallback to base url
@@ -149,18 +152,27 @@ class ImageContentRenderer @Inject constructor(private val activeSessionHolder:
         val maxImageHeight = data.maxHeight
         val width = data.width ?: maxImageWidth
         val height = data.height ?: maxImageHeight
-        var finalHeight = -1
         var finalWidth = -1
+        var finalHeight = -1
 
         // if the image size is known
         // compute the expected height
         if (width > 0 && height > 0) {
-            if (mode == Mode.FULL_SIZE) {
-                finalHeight = height
-                finalWidth = width
-            } else {
-                finalHeight = Math.min(maxImageWidth * height / width, maxImageHeight)
-                finalWidth = finalHeight * width / height
+            when (mode) {
+                Mode.FULL_SIZE -> {
+                    finalHeight = height
+                    finalWidth = width
+                }
+                Mode.THUMBNAIL -> {
+                    finalHeight = min(maxImageWidth * height / width, maxImageHeight)
+                    finalWidth = finalHeight * width / height
+                }
+                Mode.STICKER   -> {
+                    // limit on width
+                    val maxWidthDp = min(dimensionConverter.dpToPx(120), maxImageWidth / 2)
+                    finalWidth = min(dimensionConverter.dpToPx(width), maxWidthDp)
+                    finalHeight = finalWidth * height / width
+                }
             }
         }
         // ensure that some values are properly initialized