Closes #135: Adds accessibility support to Browser UI

app/src/main/java/org/mozilla/fenix/browser/BrowserFragment.kt

@@ -3,11 +3,13 @@
    file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 package org.mozilla.fenix.browser
 
+import android.content.Context
 import android.os.Bundle
 import android.transition.TransitionInflater
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.view.accessibility.AccessibilityManager
 import androidx.fragment.app.Fragment
 import kotlinx.android.synthetic.main.fragment_browser.*
 import mozilla.components.feature.session.SessionFeature
@@ -16,6 +18,7 @@ import mozilla.components.support.ktx.android.arch.lifecycle.addObservers
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.toolbar.ToolbarIntegration
 import org.mozilla.fenix.ext.requireComponents
+import androidx.coordinatorlayout.widget.CoordinatorLayout
 
 class BrowserFragment : Fragment() {
 
@@ -54,5 +57,12 @@ class BrowserFragment : Fragment() {
         )
 
         lifecycle.addObservers(sessionFeature)
+
+        // Stop toolbar from collapsing if TalkBack is enabled
+        val accessibilityManager = context?.getSystemService(Context.ACCESSIBILITY_SERVICE) as AccessibilityManager
+        if (accessibilityManager.isEnabled) {
+            val layoutParams = toolbar.layoutParams as CoordinatorLayout.LayoutParams
+            layoutParams.behavior = null
+        }
     }
 }

app/src/main/java/org/mozilla/fenix/components/toolbar/Toolbar.kt

@@ -40,7 +40,7 @@ class Toolbar(
         val back = BrowserMenuItemToolbar.Button(
             mozilla.components.ui.icons.R.drawable.mozac_ic_back,
             iconTintColorResource = R.color.icons,
-            contentDescription = "Back"
+            contentDescription = context.getString(R.string.browser_menu_back)
         ) {
             sessionUseCases.goBack.invoke()
         }
@@ -48,7 +48,7 @@ class Toolbar(
         val forward = BrowserMenuItemToolbar.Button(
             mozilla.components.ui.icons.R.drawable.mozac_ic_forward,
             iconTintColorResource = R.color.icons,
-            contentDescription = "Forward"
+            contentDescription = context.getString(R.string.browser_menu_forward)
         ) {
             sessionUseCases.goForward.invoke()
         }
@@ -56,7 +56,7 @@ class Toolbar(
         val refresh = BrowserMenuItemToolbar.Button(
             mozilla.components.ui.icons.R.drawable.mozac_ic_refresh,
             iconTintColorResource = R.color.icons,
-            contentDescription = "Refresh"
+            contentDescription = context.getString(R.string.browser_menu_refresh)
         ) {
             sessionUseCases.reload.invoke()
         }

app/src/main/java/org/mozilla/fenix/components/toolbar/ToolbarIntegration.kt

@@ -32,8 +32,7 @@ class ToolbarIntegration(
             context.resources.getDrawable(
                 R.drawable.ic_home,
                 context.application.theme
-            ),
-            "Home"
+            ), context.getString(R.string.browser_home_button)
         ) {
             Navigation.findNavController(toolbar).navigate(R.id.action_browserFragment_to_homeFragment)
         }

app/src/main/res/values/strings.xml

@@ -4,9 +4,14 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 <resources>
     <string name="app_name">Fenix</string>
-
     <string name="search_hint">Search the Web or enter address</string>
     <string name="menu_share_with">Share with…</string>
+    <string name="browser_home_button">Home</string>
+
+    <!-- Browser Menu -->
+    <string name="browser_menu_back">Back</string>
+    <string name="browser_menu_forward">Forward</string>
+    <string name="browser_menu_refresh">Refresh</string>
     <string name="browser_menu_help">Help</string>
     <string name="browser_menu_settings">Settings</string>
     <string name="browser_menu_library">Your Library</string>