Issue #35: Integrate search functionality

app/build.gradle

@@ -70,9 +70,15 @@ dependencies {
 
     implementation "org.mozilla.components:engine:${rootProject.ext.dependencies['mozillaComponents']}"
     implementation "org.mozilla.components:engine-gecko:${rootProject.ext.dependencies['mozillaComponents']}"
+
+    implementation "org.mozilla.components:search:${rootProject.ext.dependencies['mozillaComponents']}"
+
     implementation "org.mozilla.components:session:${rootProject.ext.dependencies['mozillaComponents']}"
+
     implementation "org.mozilla.components:abstract-toolbar:${rootProject.ext.dependencies['mozillaComponents']}"
     implementation "org.mozilla.components:toolbar:${rootProject.ext.dependencies['mozillaComponents']}"
+
+    implementation "org.mozilla.components:feature-search:${rootProject.ext.dependencies['mozillaComponents']}"
     implementation "org.mozilla.components:feature-session:${rootProject.ext.dependencies['mozillaComponents']}"
     implementation "org.mozilla.components:feature-toolbar:${rootProject.ext.dependencies['mozillaComponents']}"
 
@@ -89,6 +95,7 @@ dependencies {
 
     implementation "com.android.support:appcompat-v7:${rootProject.ext.dependencies['supportLibraries']}"
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${rootProject.ext.dependencies['kotlin']}"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:${rootProject.ext.dependencies['coroutines']}"
     implementation "com.android.support.constraint:constraint-layout:${rootProject.ext.dependencies['constraintLayout']}"
 
     testImplementation "junit:junit:${rootProject.ext.dependencies['junit']}"

app/src/main/java/mozilla/fenix/MainActivity.kt

@@ -27,7 +27,8 @@ class MainActivity : AppCompatActivity() {
         toolbarFeature = ToolbarFeature(
             toolbar,
             components.sessionProvider.sessionManager,
-            components.sessionUseCases.loadUrl)
+            components.sessionUseCases.loadUrl,
+            components.defaultSearchUseCase)
 
         sessionFeature = SessionFeature(
             components.sessionProvider,

app/src/main/java/mozilla/fenix/components/Components.kt

@@ -5,9 +5,12 @@
 package mozilla.fenix.components
 
 import android.content.Context
+import kotlinx.coroutines.experimental.async
 import mozilla.components.browser.engine.gecko.GeckoEngine
+import mozilla.components.browser.search.SearchEngineManager
 import mozilla.components.browser.session.Session
 import mozilla.components.concept.engine.Engine
+import mozilla.components.feature.search.SearchUseCases
 import mozilla.components.feature.session.DefaultSessionStorage
 import mozilla.components.feature.session.SessionProvider
 import mozilla.components.feature.session.SessionUseCases
@@ -17,14 +20,25 @@ import org.mozilla.geckoview.GeckoRuntime
  * Helper class for lazily instantiating components needed by the application.
  */
 class Components(private val applicationContext: Context) {
+
+    // Engine
     private val geckoRuntime by lazy {
         GeckoRuntime.getDefault(applicationContext)
     }
     val engine : Engine by lazy { GeckoEngine(geckoRuntime) }
 
+    // Session
     val sessionProvider : SessionProvider by lazy {
         SessionProvider(Session("https://www.mozilla.org"), DefaultSessionStorage(applicationContext))
     }
-
     val sessionUseCases = SessionUseCases(sessionProvider, engine)
+
+    // Search
+    private val searchEngineManager by lazy {
+        SearchEngineManager().apply {
+            async { load(applicationContext) }
+        }
+    }
+    private val searchUseCases = SearchUseCases(applicationContext, searchEngineManager, sessionProvider)
+    val defaultSearchUseCase = { searchTerms: String -> searchUseCases.defaultSearch.invoke(searchTerms) }
 }

build.gradle

@@ -5,6 +5,7 @@
 buildscript {
     ext.dependencies = [
         kotlin: '1.2.40',
+        coroutines: '0.22.5',
         sentry: '1.7.3',
         supportLibraries: '27.1.1',
         constraintLayout: '1.1.0',
@@ -46,6 +47,11 @@ allprojects {
     repositories {
         google()
         jcenter()
+
+        // Temporary until all modules are synced to JCenter
+        maven {
+            url "https://dl.bintray.com/pocmo/Mozilla-Mobile"
+        }
     }
 }