Added saving MMS (#106)

app/src/main/kotlin/com/simplemobiletools/smsmessenger/activities/ThreadActivity.kt

@@ -52,10 +52,13 @@ import kotlinx.android.synthetic.main.item_selected_contact.view.*
 import org.greenrobot.eventbus.EventBus
 import org.greenrobot.eventbus.Subscribe
 import org.greenrobot.eventbus.ThreadMode
+import java.io.InputStream
+import java.io.OutputStream
 
 class ThreadActivity : SimpleActivity() {
     private val MIN_DATE_TIME_DIFF_SECS = 300
     private val PICK_ATTACHMENT_INTENT = 1
+    private val PICK_SAVE_FILE_INTENT = 11
 
     private var threadId = 0L
     private var currentSIMCardIndex = 0
@@ -69,6 +72,7 @@ class ThreadActivity : SimpleActivity() {
     private val availableSIMCards = ArrayList<SIMCard>()
     private var attachmentSelections = mutableMapOf<String, AttachmentSelection>()
     private val imageCompressor by lazy { ImageCompressor(this) }
+    private var lastAttachmentUri: String? = null
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -171,6 +175,24 @@ class ThreadActivity : SimpleActivity() {
         super.onActivityResult(requestCode, resultCode, resultData)
         if (requestCode == PICK_ATTACHMENT_INTENT && resultCode == Activity.RESULT_OK && resultData != null && resultData.data != null) {
             addAttachment(resultData.data!!)
+        } else if (requestCode == PICK_SAVE_FILE_INTENT && resultCode == Activity.RESULT_OK && resultData != null && resultData.data != null) {
+            val takeFlags = Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
+            applicationContext.contentResolver.takePersistableUriPermission(resultData.data!!, takeFlags)
+            var inputStream: InputStream? = null
+            var outputStream: OutputStream? = null
+            try {
+                inputStream = contentResolver.openInputStream(Uri.parse(lastAttachmentUri))
+                outputStream = contentResolver.openOutputStream(Uri.parse(resultData.dataString!!), "rwt")
+                inputStream!!.copyTo(outputStream!!)
+                outputStream.flush()
+                toast(R.string.file_saved)
+            } catch (e: Exception) {
+                showErrorToast(e)
+            } finally {
+                inputStream?.close()
+                outputStream?.close()
+            }
+            lastAttachmentUri = null
         }
     }
 
@@ -872,6 +894,16 @@ class ThreadActivity : SimpleActivity() {
         return participants
     }
 
+    fun saveMMS(mimeType: String, path: String) {
+        lastAttachmentUri = path
+        Intent(Intent.ACTION_CREATE_DOCUMENT).apply {
+            type = mimeType
+            addCategory(Intent.CATEGORY_OPENABLE)
+            putExtra(Intent.EXTRA_TITLE, path.split("/").last())
+            startActivityForResult(this, PICK_SAVE_FILE_INTENT)
+        }
+    }
+
     @SuppressLint("MissingPermission")
     @Subscribe(threadMode = ThreadMode.ASYNC)
     fun refreshMessages(event: Events.RefreshMessages) {

app/src/main/kotlin/com/simplemobiletools/smsmessenger/adapters/ThreadAdapter.kt

@@ -30,6 +30,7 @@ import com.simplemobiletools.commons.views.FastScroller
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.smsmessenger.R
 import com.simplemobiletools.smsmessenger.activities.SimpleActivity
+import com.simplemobiletools.smsmessenger.activities.ThreadActivity
 import com.simplemobiletools.smsmessenger.dialogs.SelectTextDialog
 import com.simplemobiletools.smsmessenger.extensions.deleteMessage
 import com.simplemobiletools.smsmessenger.extensions.updateLastConversationMessage
@@ -62,10 +63,13 @@ class ThreadAdapter(
 
     override fun prepareActionMode(menu: Menu) {
         val isOneItemSelected = isOneItemSelected()
+        val selectedItem = getSelectedItems().firstOrNull() as? Message
+        val hasText = selectedItem?.body != null && selectedItem.body != ""
         menu.apply {
-            findItem(R.id.cab_copy_to_clipboard).isVisible = isOneItemSelected
-            findItem(R.id.cab_share).isVisible = isOneItemSelected
-            findItem(R.id.cab_select_text).isVisible = isOneItemSelected
+            findItem(R.id.cab_copy_to_clipboard).isVisible = isOneItemSelected && hasText
+            findItem(R.id.cab_save_as).isVisible = isOneItemSelected && selectedItem?.attachment?.attachments?.size == 1
+            findItem(R.id.cab_share).isVisible = isOneItemSelected && hasText
+            findItem(R.id.cab_select_text).isVisible = isOneItemSelected && hasText
         }
     }
 
@@ -76,6 +80,7 @@ class ThreadAdapter(
 
         when (id) {
             R.id.cab_copy_to_clipboard -> copyToClipboard()
+            R.id.cab_save_as -> saveAs()
             R.id.cab_share -> shareText()
             R.id.cab_select_text -> selectText()
             R.id.cab_delete -> askConfirmDelete()
@@ -142,6 +147,12 @@ class ThreadAdapter(
         activity.copyToClipboard(firstItem.body)
     }
 
+    private fun saveAs() {
+        val firstItem = getSelectedItems().firstOrNull() as? Message ?: return
+        val attachment = firstItem.attachment?.attachments?.first() ?: return
+        (activity as ThreadActivity).saveMMS(attachment.mimetype, attachment.uriString)
+    }
+
     private fun shareText() {
         val firstItem = getSelectedItems().firstOrNull() as? Message ?: return
         activity.shareTextIntent(firstItem.body)

app/src/main/res/menu/cab_thread.xml

@@ -6,6 +6,11 @@
         android:icon="@drawable/ic_copy_vector"
         android:title="@string/copy_to_clipboard"
         app:showAsAction="always" />
+    <item
+        android:id="@+id/cab_save_as"
+        android:icon="@drawable/ic_save_vector"
+        android:title="@string/save_as"
+        app:showAsAction="always" />
     <item
         android:id="@+id/cab_share"
         android:icon="@drawable/ic_share_vector"