Implement cancellation request.
Bug: 300426308
Test: N/A - will manual test once phone is set up.
Change-Id: Ifedadd163e89b17a193de307cadf439c3a471bd9
diff --git a/packages/CredentialManager/wear/Android.bp b/packages/CredentialManager/wear/Android.bp
index 639e8d1..36340fa 100644
--- a/packages/CredentialManager/wear/Android.bp
+++ b/packages/CredentialManager/wear/Android.bp
@@ -21,6 +21,7 @@
},
static_libs: [
+ "CredentialManagerShared",
"Horologist",
"PlatformComposeCore",
"androidx.activity_activity-compose",
diff --git a/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorActivity.kt b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorActivity.kt
index 77fffaa..2c05755 100644
--- a/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorActivity.kt
+++ b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorActivity.kt
@@ -16,28 +16,73 @@
package com.android.credentialmanager.ui
+import android.content.Intent
import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
-import androidx.navigation.NavHostController
+import androidx.activity.viewModels
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
import androidx.wear.compose.material.MaterialTheme
-import androidx.wear.compose.navigation.rememberSwipeDismissableNavController
+import kotlinx.coroutines.launch
class CredentialSelectorActivity : ComponentActivity() {
- lateinit var navController: NavHostController
+ private val viewModel: CredentialSelectorViewModel by viewModels()
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setTheme(android.R.style.Theme_DeviceDefault)
- setContent {
- navController = rememberSwipeDismissableNavController()
+ lifecycleScope.launch {
+ repeatOnLifecycle(Lifecycle.State.STARTED) {
+ viewModel.uiState.collect { uiState ->
+ when (uiState) {
+ CredentialSelectorUiState.Idle -> {
+ // Don't display anything, assuming that there should be minimal latency
+ // to parse the Credential Manager intent and define the state of the
+ // app. If latency is big, then a "loading" screen should be displayed
+ // to the user.
+ }
- MaterialTheme {
- WearApp(navController = navController)
+ CredentialSelectorUiState.Get -> {
+ // TODO: b/301206470 - Implement get flow
+ setContent {
+ MaterialTheme {
+ WearApp()
+ }
+ }
+ }
+
+ CredentialSelectorUiState.Create -> {
+ // TODO: b/301206624 - Implement create flow
+ finish()
+ }
+
+ is CredentialSelectorUiState.Cancel -> {
+ // TODO: b/300422310 - Implement cancel with message flow
+ finish()
+ }
+
+ CredentialSelectorUiState.Finish -> {
+ finish()
+ }
+ }
+ }
}
}
+
+ viewModel.onNewIntent(intent)
+ }
+
+ override fun onNewIntent(intent: Intent) {
+ super.onNewIntent(intent)
+
+ val previousIntent = getIntent()
+ setIntent(intent)
+
+ viewModel.onNewIntent(intent, previousIntent)
}
}
diff --git a/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorViewModel.kt b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorViewModel.kt
new file mode 100644
index 0000000..e46fcae
--- /dev/null
+++ b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/CredentialSelectorViewModel.kt
@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0N
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.credentialmanager.ui
+
+import android.app.Application
+import android.content.Intent
+import android.util.Log
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
+import com.android.credentialmanager.ui.ktx.appLabel
+import com.android.credentialmanager.ui.ktx.requestInfo
+import com.android.credentialmanager.ui.model.Request
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+
+class CredentialSelectorViewModel(
+ private val application: Application
+) : AndroidViewModel(application = application) {
+
+ private val _uiState =
+ MutableStateFlow<CredentialSelectorUiState>(CredentialSelectorUiState.Idle)
+ val uiState: StateFlow<CredentialSelectorUiState> = _uiState
+
+ fun onNewIntent(intent: Intent, previousIntent: Intent? = null) {
+ viewModelScope.launch {
+ val request = intent.parse()
+ if (shouldFinishActivity(request = request, previousIntent = previousIntent)) {
+ _uiState.value = CredentialSelectorUiState.Finish
+ } else {
+ when (request) {
+ is Request.Cancel -> {
+ request.appPackageName?.let { appPackageName ->
+ application.packageManager.appLabel(appPackageName)?.let { appLabel ->
+ _uiState.value = CredentialSelectorUiState.Cancel(appLabel)
+ } ?: run {
+ Log.d(TAG,
+ "Received UI cancel request with an invalid package name.")
+ _uiState.value = CredentialSelectorUiState.Finish
+ }
+ } ?: run {
+ Log.d(TAG, "Received UI cancel request with an invalid package name.")
+ _uiState.value = CredentialSelectorUiState.Finish
+ }
+ }
+
+ Request.Create -> {
+ _uiState.value = CredentialSelectorUiState.Create
+ }
+
+ Request.Get -> {
+ _uiState.value = CredentialSelectorUiState.Get
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Check if backend requested the UI activity to be cancelled. Different from the other
+ * finishing flows, this one does not report anything back to the Credential Manager service
+ * backend.
+ */
+ private fun shouldFinishActivity(request: Request, previousIntent: Intent? = null): Boolean {
+ if (request !is Request.Cancel) {
+ return false
+ } else {
+ Log.d(
+ TAG, "Received UI cancellation intent. Should show cancellation" +
+ " ui = ${request.showCancellationUi}")
+
+ previousIntent?.let {
+ val previousUiRequest = previousIntent.parse()
+
+ if (previousUiRequest is Request.Cancel) {
+ val previousToken = previousIntent.requestInfo?.token
+ val currentToken = previousIntent.requestInfo?.token
+
+ if (previousToken != currentToken) {
+ // Cancellation was for a different request, don't cancel the current UI.
+ return false
+ }
+ }
+ }
+
+ return !request.showCancellationUi
+ }
+ }
+}
+
+sealed class CredentialSelectorUiState {
+ object Idle : CredentialSelectorUiState()
+ object Get : CredentialSelectorUiState()
+ object Create : CredentialSelectorUiState()
+ data class Cancel(val appName: String) : CredentialSelectorUiState()
+ object Finish : CredentialSelectorUiState()
+}
diff --git a/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/WearApp.kt b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/WearApp.kt
index 5ec0c8c..19ea9ed 100644
--- a/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/WearApp.kt
+++ b/packages/CredentialManager/wear/src/com/android/credentialmanager/ui/WearApp.kt
@@ -19,8 +19,8 @@
package com.android.credentialmanager.ui
import androidx.compose.runtime.Composable
-import androidx.navigation.NavHostController
import androidx.wear.compose.foundation.rememberSwipeToDismissBoxState
+import androidx.wear.compose.navigation.rememberSwipeDismissableNavController
import androidx.wear.compose.navigation.rememberSwipeDismissableNavHostState
import com.android.credentialmanager.ui.screens.MainScreen
import com.google.android.horologist.annotations.ExperimentalHorologistApi
@@ -28,9 +28,8 @@
import com.google.android.horologist.compose.navscaffold.composable
@Composable
-fun WearApp(
- navController: NavHostController
-) {
+fun WearApp() {
+ val navController = rememberSwipeDismissableNavController()
val swipeToDismissBoxState = rememberSwipeToDismissBoxState()
val navHostState =
rememberSwipeDismissableNavHostState(swipeToDismissBoxState = swipeToDismissBoxState)