[fenix] For https://github.com/mozilla-mobile/fenix/issues/5848 Wrong toolbar colour - edit bookmark fragment (https://github.com/mozilla-mobile/fenix/pull/6047)

- Moved toolbar coloring to extension method
- Refactored classes using it
- Removed selection mode colouring for EditBookmarkFragment toolbar,
making it only black and white (normal mode)

app/src/main/java/org/mozilla/fenix/ext/Toolbar.kt

@@ -0,0 +1,44 @@
+/* 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.ext
+
+import android.graphics.ColorFilter
+import android.graphics.PorterDuff
+import android.graphics.PorterDuffColorFilter
+import android.widget.ActionMenuView
+import android.widget.ImageButton
+import androidx.annotation.ColorInt
+import androidx.appcompat.view.menu.ActionMenuItemView
+import androidx.appcompat.widget.Toolbar
+import androidx.core.view.forEach
+
+/**
+ * Adjust the colors of the [Toolbar] on the top of the screen.
+ */
+fun Toolbar.setToolbarColors(@ColorInt foreground: Int, @ColorInt background: Int) {
+    apply {
+        setBackgroundColor(background)
+        setTitleTextColor(foreground)
+
+        val colorFilter = PorterDuffColorFilter(foreground, PorterDuff.Mode.SRC_IN)
+        overflowIcon?.colorFilter = colorFilter
+        forEach { child ->
+            when (child) {
+                is ImageButton -> child.drawable.colorFilter = colorFilter
+                is ActionMenuView -> themeActionMenuView(child, colorFilter)
+            }
+        }
+    }
+}
+
+private fun themeActionMenuView(item: ActionMenuView, colorFilter: ColorFilter) {
+    item.forEach { innerChild ->
+        if (innerChild is ActionMenuItemView) {
+            innerChild.compoundDrawables.forEach { drawable ->
+                item.post { drawable?.colorFilter = colorFilter }
+            }
+        }
+    }
+}

app/src/main/java/org/mozilla/fenix/library/LibraryFragment.kt

@@ -4,8 +4,6 @@
 
 package org.mozilla.fenix.library
 
-import android.graphics.PorterDuff.Mode.SRC_IN
-import android.graphics.PorterDuffColorFilter
 import android.os.Bundle
 import android.view.Menu
 import android.view.MenuInflater
@@ -22,6 +20,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.setToolbarColors
 
 /**
  * Displays buttons to navigate to library sections, such as bookmarks and history.
@@ -35,10 +34,7 @@ class LibraryFragment : Fragment(R.layout.fragment_library) {
 
     override fun onResume() {
         super.onResume()
-
-        setToolbarColor()
-        (activity as AppCompatActivity).title = getString(R.string.library_title)
-        (activity as AppCompatActivity).supportActionBar?.show()
+        initToolbar()
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -47,7 +43,10 @@ class LibraryFragment : Fragment(R.layout.fragment_library) {
         libraryHistory.setOnClickListener {
             requireComponents.analytics.metrics
                 .track(Event.LibrarySelectedItem(view.context.getString(R.string.library_history)))
-            nav(R.id.libraryFragment, LibraryFragmentDirections.actionLibraryFragmentToHistoryFragment())
+            nav(
+                R.id.libraryFragment,
+                LibraryFragmentDirections.actionLibraryFragmentToHistoryFragment()
+            )
         }
 
         libraryBookmarks.setOnClickListener {
@@ -81,15 +80,16 @@ class LibraryFragment : Fragment(R.layout.fragment_library) {
         requireComponents.analytics.metrics.track(Event.LibraryClosed)
     }
 
-    private fun setToolbarColor() {
-        val toolbar = (activity as AppCompatActivity).findViewById<Toolbar>(R.id.navigationToolbar)
-
-        val backgroundColor = context!!.getColorFromAttr(R.attr.foundation)
-        val foregroundColor = context!!.getColorFromAttr(R.attr.primaryText)
-
-        toolbar.setBackgroundColor(backgroundColor)
-        toolbar.setTitleTextColor(foregroundColor)
-        toolbar.navigationIcon?.colorFilter =
-            PorterDuffColorFilter(foregroundColor, SRC_IN)
+    private fun initToolbar() {
+        val activity = activity as? AppCompatActivity
+        val toolbar = activity?.findViewById<Toolbar>(R.id.navigationToolbar)
+        context?.let { context ->
+            toolbar?.setToolbarColors(
+                foreground = context.getColorFromAttr(R.attr.primaryText),
+                background = context.getColorFromAttr(R.attr.foundation)
+            )
+        }
+        activity?.title = getString(R.string.library_title)
+        activity?.supportActionBar?.show()
     }
 }

app/src/main/java/org/mozilla/fenix/library/LibraryPageView.kt

@@ -5,18 +5,10 @@
 package org.mozilla.fenix.library
 
 import android.content.Context
-import android.graphics.ColorFilter
-import android.graphics.PorterDuff
-import android.graphics.PorterDuffColorFilter
 import android.view.ViewGroup
-import android.widget.ActionMenuView
-import android.widget.ImageButton
-import androidx.annotation.ColorInt
-import androidx.appcompat.view.menu.ActionMenuItemView
 import androidx.appcompat.widget.Toolbar
 import androidx.core.content.ContextCompat
 import androidx.core.view.children
-import androidx.core.view.forEach
 import androidx.recyclerview.widget.RecyclerView
 import kotlinx.android.extensions.LayoutContainer
 import kotlinx.android.synthetic.main.library_site_item.view.*
@@ -24,6 +16,7 @@ import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.asActivity
 import org.mozilla.fenix.ext.getColorFromAttr
 import org.mozilla.fenix.ext.hideAndDisable
+import org.mozilla.fenix.ext.setToolbarColors
 import org.mozilla.fenix.ext.showAndEnable
 
 open class LibraryPageView(
@@ -36,14 +29,14 @@ open class LibraryPageView(
         title: String?,
         libraryItemsList: RecyclerView
     ) {
-        activity?.title = title
-        setToolbarColors(
-            context.getColorFromAttr(R.attr.primaryText),
-            context.getColorFromAttr(R.attr.foundation)
+        updateToolbar(
+            title = title,
+            foregroundColor = context.getColorFromAttr(R.attr.primaryText),
+            backgroundColor = context.getColorFromAttr(R.attr.foundation)
         )
         libraryItemsList.setItemViewCacheSize(0)
-        libraryItemsList.children.forEach {
-                item -> item.overflow_menu.showAndEnable()
+        libraryItemsList.children.forEach { item ->
+            item.overflow_menu.showAndEnable()
         }
     }
 
@@ -51,46 +44,20 @@ open class LibraryPageView(
         title: String?,
         libraryItemsList: RecyclerView
     ) {
-        activity?.title = title
-        setToolbarColors(
-            ContextCompat.getColor(context, R.color.white_color),
-            context.getColorFromAttr(R.attr.accentHighContrast)
+        updateToolbar(
+            title = title,
+            foregroundColor = ContextCompat.getColor(context, R.color.white_color),
+            backgroundColor = context.getColorFromAttr(R.attr.accentHighContrast)
         )
         libraryItemsList.setItemViewCacheSize(0)
-        libraryItemsList.children.forEach {
-            item -> item.overflow_menu.hideAndDisable()
+        libraryItemsList.children.forEach { item ->
+            item.overflow_menu.hideAndDisable()
         }
     }
 
-    /**
-     * Adjust the colors of the [Toolbar] on the top of the screen.
-     */
-    private fun setToolbarColors(@ColorInt foreground: Int, @ColorInt background: Int) {
+    private fun updateToolbar(title: String?, foregroundColor: Int, backgroundColor: Int) {
+        activity?.title = title
         val toolbar = activity?.findViewById<Toolbar>(R.id.navigationToolbar)
-
-        toolbar?.apply {
-            setBackgroundColor(background)
-            setTitleTextColor(foreground)
-
-            val colorFilter = PorterDuffColorFilter(foreground, PorterDuff.Mode.SRC_IN)
-
-            overflowIcon?.colorFilter = colorFilter
-            forEach { child ->
-                when (child) {
-                    is ImageButton -> child.drawable.colorFilter = colorFilter
-                    is ActionMenuView -> themeActionMenuView(child, colorFilter)
-                }
-            }
-        }
-    }
-
-    private fun themeActionMenuView(item: ActionMenuView, colorFilter: ColorFilter) {
-        item.forEach { innerChild ->
-            if (innerChild is ActionMenuItemView) {
-                innerChild.compoundDrawables.forEach { drawable ->
-                    item.post { drawable?.colorFilter = colorFilter }
-                }
-            }
-        }
+        toolbar?.setToolbarColors(foregroundColor, backgroundColor)
     }
 }

app/src/main/java/org/mozilla/fenix/library/bookmarks/edit/EditBookmarkFragment.kt

@@ -12,6 +12,7 @@ import android.view.MenuItem
 import android.view.View
 import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.activityViewModels
 import androidx.lifecycle.ViewModelProvider
@@ -33,6 +34,7 @@ import mozilla.appservices.places.UrlParseFailed
 import mozilla.components.concept.storage.BookmarkInfo
 import mozilla.components.concept.storage.BookmarkNode
 import mozilla.components.concept.storage.BookmarkNodeType
+import mozilla.components.support.ktx.android.content.getColorFromAttr
 import mozilla.components.support.ktx.android.view.hideKeyboard
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.FenixSnackbar
@@ -41,6 +43,7 @@ import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.getRootView
 import org.mozilla.fenix.ext.nav
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.setToolbarColors
 import org.mozilla.fenix.ext.urlToTrimmedHost
 import org.mozilla.fenix.library.bookmarks.BookmarksSharedViewModel
 import org.mozilla.fenix.library.bookmarks.DesktopFolders
@@ -66,8 +69,7 @@ class EditBookmarkFragment : Fragment(R.layout.fragment_edit_bookmark) {
     override fun onResume() {
         super.onResume()
 
-        val activity = activity as? AppCompatActivity
-        activity?.supportActionBar?.show()
+        initToolbar()
 
         guidToEdit = EditBookmarkFragmentArgs.fromBundle(arguments!!).guidToEdit
         lifecycleScope.launch(Main) {
@@ -119,6 +121,18 @@ class EditBookmarkFragment : Fragment(R.layout.fragment_edit_bookmark) {
         updateBookmarkFromObservableInput()
     }
 
+    private fun initToolbar() {
+        val activity = activity as? AppCompatActivity
+        val toolbar = activity?.findViewById<Toolbar>(R.id.navigationToolbar)
+        context?.let {
+            toolbar?.setToolbarColors(
+                foreground = it.getColorFromAttr(R.attr.primaryText),
+                background = it.getColorFromAttr(R.attr.foundation)
+            )
+        }
+        activity?.supportActionBar?.show()
+    }
+
     override fun onPause() {
         super.onPause()
         bookmarkNameEdit.hideKeyboard()
@@ -169,12 +183,14 @@ class EditBookmarkFragment : Fragment(R.layout.fragment_edit_bookmark) {
                         requireComponents.analytics.metrics.track(Event.RemoveBookmark)
 
                         launch(Main) {
-                            Navigation.findNavController(requireActivity(), R.id.container).popBackStack()
+                            Navigation.findNavController(requireActivity(), R.id.container)
+                                .popBackStack()
                             activity.getRootView()?.let { rootView ->
                                 bookmarkNode?.let {
                                     FenixSnackbar.make(rootView, FenixSnackbar.LENGTH_SHORT)
                                         .setText(
-                                            getString(R.string.bookmark_deletion_snackbar_message,
+                                            getString(
+                                                R.string.bookmark_deletion_snackbar_message,
                                                 it.url?.urlToTrimmedHost(activity) ?: it.title
                                             )
                                         )