Convers poll post to bitmap and share as image

core/src/main/java/org/futo/circles/core/feature/timeline/post/PostOptionsDataSource.kt

 package org.futo.circles.core.feature.timeline.post
 
 import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Color
+import android.graphics.PorterDuff
+import android.view.View
 import dagger.hilt.android.qualifiers.ApplicationContext
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
 import org.futo.circles.core.extensions.createResult
 import org.futo.circles.core.extensions.getPostContentType
+import org.futo.circles.core.extensions.getUri
 import org.futo.circles.core.extensions.onBG
 import org.futo.circles.core.mapping.toMediaContent
 import org.futo.circles.core.model.MediaContent
 import org.futo.circles.core.model.MediaFileData
 import org.futo.circles.core.model.MediaShareable
 import org.futo.circles.core.model.MediaType
+import org.futo.circles.core.model.PollContent
 import org.futo.circles.core.model.PostContent
 import org.futo.circles.core.model.PostContentType.IMAGE_CONTENT
 import org.futo.circles.core.model.PostContentType.VIDEO_CONTENT
@@ -17,13 +26,17 @@ import org.futo.circles.core.model.ShareableContent
 import org.futo.circles.core.model.TextContent
 import org.futo.circles.core.model.TextShareable
 import org.futo.circles.core.provider.MatrixSessionProvider
+import org.futo.circles.core.utils.FileUtils.createImageFile
 import org.futo.circles.core.utils.FileUtils.downloadEncryptedFileToContentUri
 import org.futo.circles.core.utils.FileUtils.saveMediaFileToDevice
 import org.matrix.android.sdk.api.extensions.tryOrNull
 import org.matrix.android.sdk.api.session.getRoom
 import org.matrix.android.sdk.api.session.room.getTimelineEvent
+import org.matrix.android.sdk.api.util.MimeTypes
+import java.io.FileOutputStream
 import javax.inject.Inject
 
+
 class PostOptionsDataSource @Inject constructor(
     @ApplicationContext private val context: Context
 ) {
@@ -55,13 +68,15 @@ class PostOptionsDataSource @Inject constructor(
     }
 
 
-    suspend fun getShareableContent(content: PostContent): ShareableContent? = onBG {
-        when (content) {
-            is MediaContent -> getShareableMediaContent(content.mediaFileData)
-            is TextContent -> TextShareable(content.messageSpanned.toString())
-            else -> throw IllegalArgumentException("Not shareable post content")
+    suspend fun getShareableContent(content: PostContent, view: View? = null): ShareableContent? =
+        onBG {
+            when (content) {
+                is MediaContent -> getShareableMediaContent(content.mediaFileData)
+                is TextContent -> TextShareable(content.messageSpanned.toString())
+                is PollContent -> view?.let { getShareableMediaView(it) }
+                else -> throw IllegalArgumentException("Not shareable post content")
+            }
         }
-    }
 
     suspend fun saveMediaToDevice(content: PostContent) {
         val mediaContent = content as? MediaContent ?: return
@@ -75,6 +90,28 @@ class PostOptionsDataSource @Inject constructor(
             MediaShareable(it, mediaFileData.mimeType)
         }
 
+    private suspend fun getShareableMediaView(v: View): MediaShareable? =
+        withContext(Dispatchers.IO) {
+            tryOrNull {
+                val bitmap = Bitmap.createBitmap(
+                    v.width,
+                    v.height,
+                    Bitmap.Config.ARGB_8888
+                )
+                val canvas = Canvas(bitmap)
+                v.draw(canvas)
+                canvas.drawColor(Color.WHITE, PorterDuff.Mode.DST_ATOP)
+
+                val file = createImageFile(context)
+                val stream = FileOutputStream(file)
+                bitmap.compress(Bitmap.CompressFormat.JPEG, 80, stream)
+                stream.close()
+                bitmap.recycle()
+
+                MediaShareable(file.getUri(context), MimeTypes.Images)
+            }
+        }
+
     fun pollVote(roomId: String, eventId: String, pollOptionId: String) {
         val roomForMessage = session?.getRoom(roomId)
         roomForMessage?.sendService()?.voteToPoll(eventId, pollOptionId)