Expanding Fab menu

vector/src/main/java/im/vector/riotredesign/core/animations/Constants.kt

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotredesign.core.animations
+
+const val ANIMATION_DURATION_SHORT = 200L

vector/src/main/java/im/vector/riotredesign/core/animations/SimpleAnimatorListener.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2019 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotredesign.core.animations
+
+import android.animation.Animator
+
+open class SimpleAnimatorListener : Animator.AnimatorListener {
+    override fun onAnimationRepeat(animation: Animator?) {
+        // No op
+    }
+
+    override fun onAnimationEnd(animation: Animator?) {
+        // No op
+    }
+
+    override fun onAnimationCancel(animation: Animator?) {
+        // No op
+    }
+
+    override fun onAnimationStart(animation: Animator?) {
+        // No op
+    }
+}

vector/src/main/java/im/vector/riotredesign/features/home/HomeActivity.kt

@@ -138,8 +138,9 @@ class HomeActivity : VectorBaseActivity(), ToolbarConfigurable {
     }
 
     private fun recursivelyDispatchOnBackPressed(fm: FragmentManager): Boolean {
-        if (fm.backStackEntryCount == 0)
-            return false
+        // if (fm.backStackEntryCount == 0)
+        //     return false
+
         val reverseOrder = fm.fragments.filter { it is OnBackPressed }.reversed()
         for (f in reverseOrder) {
             val handledByChildFragments = recursivelyDispatchOnBackPressed(f.childFragmentManager)

vector/src/main/java/im/vector/riotredesign/features/home/room/list/RoomListFragment.kt

@@ -16,6 +16,7 @@
 
 package im.vector.riotredesign.features.home.room.list
 
+import android.animation.Animator
 import android.os.Bundle
 import android.os.Parcelable
 import androidx.annotation.StringRes
@@ -29,8 +30,11 @@ import im.vector.matrix.android.api.failure.Failure
 import im.vector.matrix.android.api.session.room.model.Membership
 import im.vector.matrix.android.api.session.room.model.RoomSummary
 import im.vector.riotredesign.R
+import im.vector.riotredesign.core.animations.ANIMATION_DURATION_SHORT
+import im.vector.riotredesign.core.animations.SimpleAnimatorListener
 import im.vector.riotredesign.core.epoxy.LayoutManagerStateRestorer
 import im.vector.riotredesign.core.extensions.observeEvent
+import im.vector.riotredesign.core.platform.OnBackPressed
 import im.vector.riotredesign.core.platform.StateView
 import im.vector.riotredesign.core.platform.VectorBaseFragment
 import kotlinx.android.parcel.Parcelize
@@ -43,10 +47,12 @@ data class RoomListParams(
 ) : Parcelable
 
 
-class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback {
+class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback, OnBackPressed {
 
     lateinit var fabButton: FloatingActionButton
 
+    private var isFabMenuOpened = false
+
     enum class DisplayMode(@StringRes val titleRes: Int) {
         HOME(R.string.bottom_action_home),
         PEOPLE(R.string.bottom_action_people),
@@ -75,6 +81,8 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback {
         roomListViewModel.openRoomLiveData.observeEvent(this) {
             navigator.openRoom(it)
         }
+
+        isFabMenuOpened = false
     }
 
     private fun setupCreateRoomButton() {
@@ -87,17 +95,30 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback {
         fabButton.isVisible = true
 
         createRoomButton.setOnClickListener {
-            // TODO Is it the expected action?
-            navigator.openRoomDirectory()
+            toggleFabMenu()
         }
         createChatRoomButton.setOnClickListener {
-            // TODO Is it the expected action?
-            navigator.openRoomDirectory()
+            createDirectChat()
         }
         createGroupRoomButton.setOnClickListener {
-            navigator.openRoomDirectory()
+            openRoomDirectory()
         }
 
+        createRoomItemChat.setOnClickListener {
+            toggleFabMenu()
+            createDirectChat()
+        }
+        createRoomItemGroup.setOnClickListener {
+            toggleFabMenu()
+            openRoomDirectory()
+        }
+
+        createRoomTouchGuard.setOnClickListener {
+            toggleFabMenu()
+        }
+
+        createRoomTouchGuard.isClickable = false
+
         // Hide FAB when list is scrolling
         epoxyRecyclerView.addOnScrollListener(object : RecyclerView.OnScrollListener() {
             override fun onScrollStateChanged(recyclerView: RecyclerView, newState: Int) {
@@ -116,6 +137,63 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback {
         })
     }
 
+    private fun toggleFabMenu() {
+        isFabMenuOpened = !isFabMenuOpened
+
+        if (isFabMenuOpened) {
+            createRoomItemChat.isVisible = true
+            createRoomItemGroup.isVisible = true
+
+            createRoomButton.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .rotation(135f)
+            createRoomItemChat.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .translationY(-resources.getDimension(R.dimen.fab_menu_offset_1))
+            createRoomItemGroup.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .translationY(-resources.getDimension(R.dimen.fab_menu_offset_2))
+            createRoomTouchGuard.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .alpha(0.6f)
+                    .setListener(null)
+            createRoomTouchGuard.isClickable = true
+        } else {
+            createRoomButton.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .rotation(0f)
+            createRoomItemChat.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .translationY(0f)
+            createRoomItemGroup.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .translationY(0f)
+            createRoomTouchGuard.animate()
+                    .setDuration(ANIMATION_DURATION_SHORT)
+                    .alpha(0f)
+                    .setListener(object : SimpleAnimatorListener() {
+                        override fun onAnimationCancel(animation: Animator?) {
+                            animation?.removeListener(this)
+                        }
+
+                        override fun onAnimationEnd(animation: Animator?) {
+                            // Use isFabMenuOpened because it may have been open meanwhile
+                            createRoomItemChat.isVisible = isFabMenuOpened
+                            createRoomItemGroup.isVisible = isFabMenuOpened
+                        }
+                    })
+            createRoomTouchGuard.isClickable = false
+        }
+    }
+
+    private fun openRoomDirectory() {
+        navigator.openRoomDirectory()
+    }
+
+    private fun createDirectChat() {
+        vectorBaseActivity.notImplemented("creating direct chat")
+    }
+
     private fun setupRecyclerView() {
         val layoutManager = LinearLayoutManager(context)
         val stateRestorer = LayoutManagerStateRestorer(layoutManager).register()
@@ -199,6 +277,15 @@ class RoomListFragment : VectorBaseFragment(), RoomSummaryController.Callback {
         stateView.state = StateView.State.Error(message)
     }
 
+    override fun onBackPressed(): Boolean {
+        if (isFabMenuOpened) {
+            toggleFabMenu()
+            return true
+        }
+
+        return super.onBackPressed()
+    }
+
     // RoomSummaryController.Callback **************************************************************
 
     override fun onRoomSelected(room: RoomSummary) {

vector/src/main/res/layout/fragment_room_list.xml

@@ -15,6 +15,45 @@
         android:layout_height="match_parent" />
 
     <!-- Create several FABs to manage different icon size. maxImageSize cannot be set programmatically -->
+
+    <View
+        android:id="@+id/createRoomTouchGuard"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:alpha="0"
+        android:background="@android:color/background_dark" />
+
+    <!-- Sub menu item 2 -->
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/createRoomItemGroup"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:src="@drawable/ic_fab_add_room"
+        android:visibility="gone"
+        app:maxImageSize="32dp"
+        tools:fab_colorNormal="?attr/colorAccent"
+        tools:fab_colorPressed="?attr/colorAccent"
+        tools:translationY="-146dp"
+        tools:visibility="visible" />
+
+    <!-- Sub menu item 1 -->
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/createRoomItemChat"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="16dp"
+        android:src="@drawable/ic_fab_add_chat"
+        android:visibility="gone"
+        app:maxImageSize="34dp"
+        tools:fab_colorNormal="?attr/colorAccent"
+        tools:fab_colorPressed="?attr/colorAccent"
+        tools:translationY="-76dp"
+        tools:visibility="visible" />
+
+    <!-- Menu -->
     <com.google.android.material.floatingactionbutton.FloatingActionButton
         android:id="@+id/createRoomButton"
         android:layout_width="wrap_content"
@@ -36,7 +75,7 @@
         android:src="@drawable/ic_fab_add_chat"
         android:visibility="gone"
         app:maxImageSize="34dp"
-        tools:layout_margin="66dp"
+        tools:layout_margin="76dp"
         tools:visibility="visible" />
 
     <com.google.android.material.floatingactionbutton.FloatingActionButton
@@ -45,11 +84,10 @@
         android:layout_height="wrap_content"
         android:layout_gravity="bottom|end"
         android:layout_margin="16dp"
-        android:scaleType="center"
         android:src="@drawable/ic_fab_add_room"
         android:visibility="gone"
         app:maxImageSize="32dp"
-        tools:layout_margin="116dp"
+        tools:layout_margin="136dp"
         tools:visibility="visible" />
 
 </im.vector.riotredesign.core.platform.StateView>

vector/src/main/res/values/dimens.xml

@@ -26,4 +26,8 @@
     <dimen name="pill_avatar_size">16dp</dimen>
     <dimen name="pill_min_height">20dp</dimen>
     <dimen name="pill_text_padding">4dp</dimen>
+
+
+    <dimen name="fab_menu_offset_1">76dp</dimen>
+    <dimen name="fab_menu_offset_2">146dp</dimen>
 </resources>