For #1830 - Adds the ability to share a tab

app/src/main/java/org/mozilla/fenix/home/HomeFragment.kt

@@ -34,6 +34,7 @@ import org.mozilla.fenix.HomeActivity
 import org.mozilla.fenix.R
 import org.mozilla.fenix.components.metrics.Event
 import org.mozilla.fenix.ext.requireComponents
+import org.mozilla.fenix.ext.share
 import org.mozilla.fenix.ext.urlToHost
 import org.mozilla.fenix.home.sessioncontrol.Mode
 import org.mozilla.fenix.home.sessioncontrol.SessionControlAction
@@ -201,6 +202,11 @@ class HomeFragment : Fragment(), CoroutineScope {
                     requireComponents.core.sessionManager.remove(session)
                 }
             }
+            is TabAction.Share -> {
+                requireComponents.core.sessionManager.findSessionById(action.sessionId)?.let { session ->
+                    requireContext().share(session.url)
+                }
+            }
             is TabAction.CloseAll -> {
                 requireComponents.useCases.tabsUseCases.removeAllTabsOfType.invoke(action.private)
             }

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/SessionControlComponent.kt

@@ -66,6 +66,7 @@ sealed class TabAction : Action {
     data class CloseAll(val private: Boolean) : TabAction()
     data class Select(val sessionId: String) : TabAction()
     data class Close(val sessionId: String) : TabAction()
+    data class Share(val sessionId: String) : TabAction()
     object PrivateBrowsingLearnMore : TabAction()
 }
 

app/src/main/java/org/mozilla/fenix/home/sessioncontrol/viewholders/TabViewHolder.kt

@@ -4,10 +4,10 @@
 
 package org.mozilla.fenix.home.sessioncontrol.viewholders
 
+import android.content.Context
 import android.graphics.Outline
 import android.view.View
 import android.view.ViewOutlineProvider
-import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 import io.reactivex.Observer
 import kotlinx.android.extensions.LayoutContainer
@@ -17,8 +17,10 @@ import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import mozilla.components.browser.icons.IconRequest
+import mozilla.components.browser.menu.BrowserMenu
+import mozilla.components.browser.menu.BrowserMenuBuilder
+import mozilla.components.browser.menu.item.SimpleBrowserMenuItem
 import mozilla.components.support.ktx.android.content.res.pxToDp
-import org.jetbrains.anko.image
 import org.mozilla.fenix.R
 import org.mozilla.fenix.ext.components
 import org.mozilla.fenix.ext.increaseTapArea
@@ -40,8 +42,15 @@ class TabViewHolder(
         get() = Dispatchers.IO + job
 
     var tab: Tab? = null
+    private lateinit var tabMenu: TabItemMenu
 
     init {
+        tabMenu = TabItemMenu(view.context) {
+            when (it) {
+                is TabItemMenu.Item.Share ->
+                    actionEmitter.onNext(TabAction.Share(tab?.sessionId!!))
+            }
+        }
         item_tab.setOnClickListener {
             actionEmitter.onNext(TabAction.Select(tab?.sessionId!!))
         }
@@ -65,11 +74,16 @@ class TabViewHolder(
                 )
             }
         }
+
+        tab_overflow_button.setOnClickListener {
+            tabMenu.menuBuilder
+                .build(view.context)
+                .show(anchor = it, orientation = BrowserMenu.Orientation.DOWN)
+        }
     }
 
     fun bindSession(tab: Tab, position: Int) {
         this.tab = tab
-        updateTabBackground(position)
         updateText(tab)
         updateSelected(tab.selected)
     }
@@ -90,24 +104,30 @@ class TabViewHolder(
         selected_border.visibility = if (selected) View.VISIBLE else View.GONE
     }
 
-    fun updateTabBackground(id: Int) {
-        if (tab?.thumbnail != null) {
-//            tab_background.setImageBitmap(tab?.thumbnail)
-        } else {
-            val background = availableBackgrounds[id % availableBackgrounds.size]
-            favicon_image.image = ContextCompat.getDrawable(view.context, background)
-        }
-    }
-
     companion object {
         const val LAYOUT_ID = R.layout.tab_list_row
         const val closeButtonIncreaseDps = 12
         const val favIconBorderRadiusInPx = 8
+    }
+}
 
-        private val availableBackgrounds = listOf(
-            R.drawable.sessions_01, R.drawable.sessions_02,
-            R.drawable.sessions_03, R.drawable.sessions_06,
-            R.drawable.sessions_07, R.drawable.sessions_08
+class TabItemMenu(
+    private val context: Context,
+    private val onItemTapped: (Item) -> Unit = {}
+) {
+    sealed class Item {
+        object Share : Item()
+    }
+
+    val menuBuilder by lazy { BrowserMenuBuilder(menuItems) }
+
+    private val menuItems by lazy {
+        listOf(
+            SimpleBrowserMenuItem(
+                context.getString(R.string.tab_share)
+            ) {
+                onItemTapped.invoke(Item.Share)
+            }
         )
     }
 }

app/src/main/res/layout/tab_list_row.xml

@@ -22,12 +22,13 @@
 
         <ImageView
             android:id="@+id/favicon_image"
-            android:layout_width="64dp"
-            android:layout_height="64dp"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
             android:layout_margin="8dp"
             android:adjustViewBounds="true"
             android:importantForAccessibility="no"
-            android:scaleType="centerInside"
+            android:scaleType="fitCenter"
+            app:layout_constraintDimensionRatio="1:1"
             app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
@@ -49,12 +50,13 @@
         <TextView
             android:id="@+id/tab_title"
             android:layout_width="0dp"
-            android:layout_height="0dp"
+            android:layout_height="wrap_content"
             android:layout_marginTop="4dp"
             android:layout_marginStart="8dp"
             android:layout_marginBottom="8dp"
             android:ellipsize="end"
             android:maxLines="2"
+            android:minLines="2"
             android:textColor="?primaryText"
             android:textSize="15sp"
             app:layout_constraintStart_toEndOf="@id/favicon_image"
@@ -81,7 +83,7 @@
             android:contentDescription="@string/tab_menu"
             android:src="@drawable/ic_menu"
             android:translationX="4dp"
-            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintBottom_toBottomOf="@id/tab_title"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintTop_toBottomOf="@id/close_tab_button" />
 

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

@@ -232,6 +232,8 @@
     <string name="close_tab">Close tab</string>
     <!-- Content description (not visible, for screen readers etc.): Opens the tab menu when pressed -->
     <string name="tab_menu">Tab menu</string>
+    <!-- Tab menu item to share the tab -->
+    <string name="tab_share">Share tab</string>
     <!-- Button in the current session menu. Deletes the session when pressed -->
     <string name="current_session_delete">Delete</string>
     <!-- Button in the current session menu. Saves the session when pressed -->