Update sample browser to use HistoryTrackingFeature with an in-memory storage

Author: Grisha Kruglov

samples/browser/build.gradle

@@ -109,6 +109,7 @@ dependencies {
     implementation project(':concept-engine')
     implementation project(':concept-tabstray')
     implementation project(':concept-toolbar')
+    implementation project(':concept-storage')
 
     implementation project(':browser-engine-system')
 
@@ -117,10 +118,12 @@ dependencies {
     implementation project(':browser-tabstray')
     implementation project(':browser-toolbar')
     implementation project(':browser-menu')
+    implementation project(':browser-storage-memory')
 
     implementation project(':feature-intent')
     implementation project(':feature-search')
     implementation project(':feature-session')
+    implementation project(':feature-storage')
     implementation project(':feature-toolbar')
     implementation project(':feature-tabs')
 

samples/browser/src/main/java/org/mozilla/samples/browser/BrowserFragment.kt

@@ -15,6 +15,7 @@ import kotlinx.android.synthetic.main.fragment_browser.*
 import mozilla.components.feature.downloads.DownloadsFeature
 import mozilla.components.feature.downloads.SimpleDownloadDialogFragment.DownloadDialogListener
 import mozilla.components.feature.session.SessionFeature
+import mozilla.components.feature.storage.HistoryTrackingFeature
 import mozilla.components.feature.tabs.toolbar.TabsToolbarFeature
 import mozilla.components.feature.toolbar.ToolbarFeature
 import mozilla.components.support.ktx.android.content.isPermissionGranted
@@ -25,6 +26,7 @@ class BrowserFragment : Fragment(), BackHandler, DownloadDialogListener {
     private lateinit var toolbarFeature: ToolbarFeature
     private lateinit var tabsToolbarFeature: TabsToolbarFeature
     private lateinit var downloadsFeature: DownloadsFeature
+    private lateinit var historyTrackingFeature: HistoryTrackingFeature
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         return inflater.inflate(R.layout.fragment_browser, container, false)
@@ -37,6 +39,11 @@ class BrowserFragment : Fragment(), BackHandler, DownloadDialogListener {
 
         val sessionId = arguments?.getString(SESSION_ID)
 
+        historyTrackingFeature = HistoryTrackingFeature(
+                components.engine,
+                components.historyStorage
+        )
+
         sessionFeature = SessionFeature(
                 components.sessionManager,
                 components.sessionUseCases,

samples/browser/src/main/java/org/mozilla/samples/browser/DefaultComponents.kt

@@ -16,6 +16,7 @@ import mozilla.components.browser.search.SearchEngineManager
 import mozilla.components.browser.session.Session
 import mozilla.components.browser.session.SessionManager
 import mozilla.components.browser.session.storage.DefaultSessionStorage
+import mozilla.components.browser.storage.memory.InMemoryHistoryStorage
 import mozilla.components.concept.engine.DefaultSettings
 import mozilla.components.concept.engine.Engine
 import mozilla.components.feature.intent.IntentProcessor
@@ -34,6 +35,9 @@ open class DefaultComponents(private val applicationContext: Context) {
         SystemEngine(applicationContext, settings)
     }
 
+    // Storage
+    val historyStorage by lazy { InMemoryHistoryStorage() }
+
     // Session
     val sessionStorage by lazy { DefaultSessionStorage(applicationContext) }