Better management of requested permissions (#2048)

CHANGES.md

@@ -7,6 +7,7 @@ Features ✨:
 Improvements 🙌:
  - Add "show password" in import Megolm keys dialog
  - Visually disable call buttons in menu and prohibit calling when permissions are insufficient (#2112)
+ - Better management of requested permissions (#2048)
 
 Bugfix 🐛:
  - Long message cannot be sent/takes infinite time & blocks other messages #1397

vector/src/main/java/im/vector/app/core/utils/PermissionsTools.kt

@@ -42,16 +42,18 @@ const val PERMISSION_CAMERA = 0x1
 private const val PERMISSION_WRITE_EXTERNAL_STORAGE = 0x1 shl 1
 private const val PERMISSION_RECORD_AUDIO = 0x1 shl 2
 private const val PERMISSION_READ_CONTACTS = 0x1 shl 3
+private const val PERMISSION_READ_EXTERNAL_STORAGE = 0x1 shl 4
 
 // Permissions sets
 const val PERMISSIONS_FOR_AUDIO_IP_CALL = PERMISSION_RECORD_AUDIO
 const val PERMISSIONS_FOR_VIDEO_IP_CALL = PERMISSION_CAMERA or PERMISSION_RECORD_AUDIO
-const val PERMISSIONS_FOR_TAKING_PHOTO = PERMISSION_CAMERA or PERMISSION_WRITE_EXTERNAL_STORAGE
+const val PERMISSIONS_FOR_TAKING_PHOTO = PERMISSION_CAMERA or PERMISSION_READ_EXTERNAL_STORAGE
 const val PERMISSIONS_FOR_MEMBERS_SEARCH = PERMISSION_READ_CONTACTS
 const val PERMISSIONS_FOR_MEMBER_DETAILS = PERMISSION_READ_CONTACTS
 const val PERMISSIONS_FOR_ROOM_AVATAR = PERMISSION_CAMERA
 const val PERMISSIONS_FOR_VIDEO_RECORDING = PERMISSION_CAMERA or PERMISSION_RECORD_AUDIO
 const val PERMISSIONS_FOR_WRITING_FILES = PERMISSION_WRITE_EXTERNAL_STORAGE
+const val PERMISSIONS_FOR_READING_FILES = PERMISSION_READ_EXTERNAL_STORAGE
 const val PERMISSIONS_FOR_PICKING_CONTACT = PERMISSION_READ_CONTACTS
 
 const val PERMISSIONS_EMPTY = PERMISSION_BYPASSED
@@ -79,6 +81,7 @@ fun logPermissionStatuses(context: Context) {
                 Manifest.permission.CAMERA,
                 Manifest.permission.RECORD_AUDIO,
                 Manifest.permission.WRITE_EXTERNAL_STORAGE,
+                Manifest.permission.READ_EXTERNAL_STORAGE,
                 Manifest.permission.READ_CONTACTS)
 
         Timber.v("## logPermissionStatuses() : log the permissions status used by the app")
@@ -161,7 +164,8 @@ private fun checkPermissions(permissionsToBeGrantedBitMap: Int,
             && PERMISSIONS_FOR_MEMBER_DETAILS != permissionsToBeGrantedBitMap
             && PERMISSIONS_FOR_ROOM_AVATAR != permissionsToBeGrantedBitMap
             && PERMISSIONS_FOR_VIDEO_RECORDING != permissionsToBeGrantedBitMap
-            && PERMISSIONS_FOR_WRITING_FILES != permissionsToBeGrantedBitMap) {
+            && PERMISSIONS_FOR_WRITING_FILES != permissionsToBeGrantedBitMap
+            && PERMISSIONS_FOR_READING_FILES != permissionsToBeGrantedBitMap) {
         Timber.w("## checkPermissions(): permissions to be granted are not supported")
         isPermissionGranted = false
     } else {
@@ -188,6 +192,12 @@ private fun checkPermissions(permissionsToBeGrantedBitMap: Int,
                     updatePermissionsToBeGranted(activity, permissionListAlreadyDenied, permissionsListToBeGranted, permissionType)
         }
 
+        if (PERMISSION_READ_EXTERNAL_STORAGE == permissionsToBeGrantedBitMap and PERMISSION_READ_EXTERNAL_STORAGE) {
+            val permissionType = Manifest.permission.READ_EXTERNAL_STORAGE
+            isRequestPermissionRequired = isRequestPermissionRequired or
+                    updatePermissionsToBeGranted(activity, permissionListAlreadyDenied, permissionsListToBeGranted, permissionType)
+        }
+
         // the contact book access is requested for any android platforms
         // for android M, we use the system preferences
         // for android < M, we use a dedicated settings

vector/src/main/java/im/vector/app/features/attachments/AttachmentTypeSelectorView.kt

@@ -41,8 +41,8 @@ import im.vector.app.R
 import im.vector.app.core.extensions.getMeasurements
 import im.vector.app.core.utils.PERMISSIONS_EMPTY
 import im.vector.app.core.utils.PERMISSIONS_FOR_PICKING_CONTACT
+import im.vector.app.core.utils.PERMISSIONS_FOR_READING_FILES
 import im.vector.app.core.utils.PERMISSIONS_FOR_TAKING_PHOTO
-import im.vector.app.core.utils.PERMISSIONS_FOR_WRITING_FILES
 import im.vector.app.features.attachments.AttachmentTypeSelectorView.Callback
 import kotlin.math.max
 
@@ -215,10 +215,10 @@ class AttachmentTypeSelectorView(context: Context,
      */
     enum class Type(val permissionsBit: Int) {
         CAMERA(PERMISSIONS_FOR_TAKING_PHOTO),
-        GALLERY(PERMISSIONS_FOR_WRITING_FILES),
+        GALLERY(PERMISSIONS_FOR_READING_FILES),
-        FILE(PERMISSIONS_FOR_WRITING_FILES),
+        FILE(PERMISSIONS_FOR_READING_FILES),
         STICKER(PERMISSIONS_EMPTY),
-        AUDIO(PERMISSIONS_FOR_WRITING_FILES),
+        AUDIO(PERMISSIONS_FOR_READING_FILES),
         CONTACT(PERMISSIONS_FOR_PICKING_CONTACT)
     }
 }