[fenix] Refactor tryReloadTabBy to use browser store

app/src/main/java/org/mozilla/fenix/settings/sitepermissions/Extensions.kt

@@ -13,12 +13,20 @@ import org.mozilla.fenix.components.Components
 import org.mozilla.fenix.settings.PhoneFeature
 
 /**
- * Try to reload a session if a session with the given [origin] it is found.
- * @param origin The origin the session to be reloaded.
+ * Reloads the last used tab matching the provided origin. For performance
+ * reasons we don't want to reload all matching tabs. Reloading the last used
+ * tab is a good compromise as it's likely the reason for a change in site
+ * permissions.
+ *
+ * @param origin The origin of the tab to reload.
  */
 internal fun Components.tryReloadTabBy(origin: String) {
-    val session = core.sessionManager.all.find { it.url.toUri().host == origin }
-    useCases.sessionUseCases.reload(session)
+    core.store.state.tabs
+        .sortedByDescending { it.lastAccess }
+        .find { it.content.url.toUri().host == origin }
+        ?.let {
+            useCases.sessionUseCases.reload(it.id)
+        }
 }
 
 internal fun initBlockedByAndroidView(phoneFeature: PhoneFeature, blockedByAndroidView: View) {

app/src/test/java/org/mozilla/fenix/components/settings/sitepermissions/ExtensionsTest.kt

@@ -0,0 +1,45 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.fenix.components.settings.sitepermissions
+
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import mozilla.components.browser.state.state.BrowserState
+import mozilla.components.browser.state.state.createTab
+import mozilla.components.browser.state.store.BrowserStore
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mozilla.fenix.components.Components
+import org.mozilla.fenix.helpers.FenixRobolectricTestRunner
+import org.mozilla.fenix.settings.sitepermissions.tryReloadTabBy
+
+@RunWith(FenixRobolectricTestRunner::class)
+class ExtensionsTest {
+
+    @Test
+    fun `tryReloadTabBy reloads latest tab matching origin`() {
+        val store = BrowserStore(
+            BrowserState(tabs = listOf(
+                    createTab(id = "1", url = "https://www.mozilla.org/1", lastAccess = 1),
+                    createTab(id = "2", url = "https://www.mozilla.org/2", lastAccess = 2),
+                    createTab(id = "3", url = "https://www.firefox.com")
+                )
+            )
+        )
+
+        val components: Components = mockk(relaxed = true)
+        every { components.core.store } returns store
+
+        components.tryReloadTabBy("www.getpocket.com")
+        verify(exactly = 0) { components.useCases.sessionUseCases.reload(any<String>()) }
+
+        components.tryReloadTabBy("www.mozilla.org")
+        verify { components.useCases.sessionUseCases.reload("2") }
+
+        components.tryReloadTabBy("www.firefox.com")
+        verify { components.useCases.sessionUseCases.reload("3") }
+    }
+}