Show screen sharing permission dialog.

vector/src/main/java/im/vector/app/features/call/CallControlsBottomSheet.kt

@@ -66,6 +66,11 @@ class CallControlsBottomSheet : VectorBaseBottomSheetDialogFragment<BottomSheetC
             callViewModel.handle(VectorCallViewActions.InitiateCallTransfer)
             dismiss()
         }
+
+        views.callControlsShareScreen.views.bottomSheetActionClickableZone.debouncedClicks {
+            callViewModel.handle(VectorCallViewActions.InitiateScreenSharing)
+            dismiss()
+        }
     }
 
     private fun renderState(state: VectorCallViewState) {

vector/src/main/java/im/vector/app/features/call/VectorCallActivity.kt

@@ -24,6 +24,7 @@ import android.content.Intent
 import android.content.Intent.FLAG_ACTIVITY_CLEAR_TOP
 import android.content.res.Configuration
 import android.graphics.Color
+import android.media.projection.MediaProjectionManager
 import android.os.Build
 import android.os.Bundle
 import android.os.Parcelable
@@ -525,6 +526,7 @@ class VectorCallActivity : VectorBaseActivity<ActivityCallBinding>(), CallContro
                 navigator.openCallTransfer(this, callTransferActivityResultLauncher, callId)
             }
             is VectorCallViewEvents.FailToTransfer                    -> showSnackbar(getString(R.string.call_transfer_failure))
+            is VectorCallViewEvents.ShowScreenSharingPermissionDialog -> handleShowScreenSharingPermissionDialog()
             else                                                      -> Unit
         }
     }
@@ -628,6 +630,18 @@ class VectorCallActivity : VectorBaseActivity<ActivityCallBinding>(), CallContro
         }
     }
 
+    private val screenSharingPermissionActivityResultLauncher = registerStartForActivityResult { activityResult ->
+        if (activityResult.resultCode == Activity.RESULT_OK) {
+            callViewModel.handle(VectorCallViewActions.StartScreenSharing)
+        }
+    }
+
+    private fun handleShowScreenSharingPermissionDialog() {
+        getSystemService<MediaProjectionManager>()?.let {
+            navigator.openScreenSharingPermissionDialog(it.createScreenCaptureIntent(), screenSharingPermissionActivityResultLauncher)
+        }
+    }
+
     companion object {
         private const val EXTRA_MODE = "EXTRA_MODE"
         private const val FRAGMENT_DIAL_PAD_TAG = "FRAGMENT_DIAL_PAD_TAG"

vector/src/main/java/im/vector/app/features/call/VectorCallViewActions.kt

@@ -40,4 +40,6 @@ sealed class VectorCallViewActions : VectorViewModelAction {
     object CallTransferSelectionCancelled : VectorCallViewActions()
     data class CallTransferSelectionResult(val callTransferResult: CallTransferResult) : VectorCallViewActions()
     object TransferCall : VectorCallViewActions()
+    object InitiateScreenSharing : VectorCallViewActions()
+    object StartScreenSharing : VectorCallViewActions()
 }

vector/src/main/java/im/vector/app/features/call/VectorCallViewEvents.kt

@@ -30,6 +30,7 @@ sealed class VectorCallViewEvents : VectorViewEvents {
     object ShowDialPad : VectorCallViewEvents()
     object ShowCallTransferScreen : VectorCallViewEvents()
     object FailToTransfer : VectorCallViewEvents()
+    object ShowScreenSharingPermissionDialog : VectorCallViewEvents()
 //    data class CallAnswered(val content: CallAnswerContent) : VectorCallViewEvents()
 //    data class CallHangup(val content: CallHangupContent) : VectorCallViewEvents()
 //    object CallAccepted : VectorCallViewEvents()

vector/src/main/java/im/vector/app/features/call/VectorCallViewModel.kt

@@ -341,6 +341,14 @@ class VectorCallViewModel @AssistedInject constructor(
                 setState { VectorCallViewState(action.callArgs) }
                 setupCallWithCurrentState()
             }
+            is VectorCallViewActions.InitiateScreenSharing       -> {
+                _viewEvents.post(
+                        VectorCallViewEvents.ShowScreenSharingPermissionDialog
+                )
+            }
+            is VectorCallViewActions.StartScreenSharing          -> {
+                call?.shareScreen()
+            }
         }
     }
 

vector/src/main/java/im/vector/app/features/call/webrtc/WebRtcCall.kt

@@ -770,6 +770,10 @@ class WebRtcCall(
         return currentCaptureFormat
     }
 
+    fun shareScreen() {
+        // TODO. Will be handled within the next PR.
+    }
+
     private suspend fun release() {
         listeners.clear()
         mxCall.removeListener(this)

vector/src/main/java/im/vector/app/features/navigation/DefaultNavigator.kt

@@ -600,4 +600,9 @@ class DefaultNavigator @Inject constructor(
                         roomEncryptionTrustLevel = threadTimelineArgs.roomEncryptionTrustLevel
                 )))
     }
+
+    override fun openScreenSharingPermissionDialog(screenCaptureIntent: Intent,
+                                                   activityResultLauncher: ActivityResultLauncher<Intent>) {
+        activityResultLauncher.launch(screenCaptureIntent)
+    }
 }

vector/src/main/java/im/vector/app/features/navigation/Navigator.kt

@@ -168,4 +168,9 @@ interface Navigator {
     fun openThread(context: Context, threadTimelineArgs: ThreadTimelineArgs, eventIdToNavigate: String? = null)
 
     fun openThreadList(context: Context, threadTimelineArgs: ThreadTimelineArgs)
+
+    fun openScreenSharingPermissionDialog(
+            screenCaptureIntent: Intent,
+            activityResultLauncher: ActivityResultLauncher<Intent>
+    )
 }