From 0d6ef08772813702ee1c53803f42421a904178cc Mon Sep 17 00:00:00 2001
From: Giom Foret <giom@matrix.org>
Date: Tue, 14 Nov 2017 18:43:05 +0100
Subject: [PATCH] Fix UICollectionView warning: The behavior of the
 UICollectionViewFlowLayout is not defined...

---
 Riot/ViewController/HomeViewController.m            |  5 +++--
 .../TableViewCell/TableViewCellWithCollectionView.h |  1 +
 .../TableViewCell/TableViewCellWithCollectionView.m |  2 ++
 .../TableViewCellWithCollectionView.xib             | 13 +++++++------
 4 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/Riot/ViewController/HomeViewController.m b/Riot/ViewController/HomeViewController.m
index 912a30e27..4d1fc337e 100644
--- a/Riot/ViewController/HomeViewController.m
+++ b/Riot/ViewController/HomeViewController.m
@@ -277,7 +277,8 @@
         if (indexPath.section == selectedSection)
         {
             // Show edition menu
-            tableViewCell.editionViewHeightConstraint.constant = 65;
+            tableViewCell.editionViewHeightConstraint.constant = 60;
+            tableViewCell.editionViewBottomConstraint.constant = 5;
             tableViewCell.editionView.hidden = NO;
             
             MXRoom *room = [self.mainSession roomWithRoomId:editedRoomId];
@@ -334,7 +335,7 @@
     }
     
     // Retrieve the fixed height of the collection view cell used to display a room.
-    CGFloat height = [RoomCollectionViewCell defaultCellSize].height;
+    CGFloat height = [RoomCollectionViewCell defaultCellSize].height + 1;
     
     // Check the conditions to display the edition menu
     if (editedRoomId && indexPath.section == selectedSection)
diff --git a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.h b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.h
index a3a2970f0..aa71ab9d4 100644
--- a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.h
+++ b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.h
@@ -22,6 +22,7 @@
 
 @property (strong, nonatomic) IBOutlet UIView *editionView;
 @property (weak, nonatomic) IBOutlet NSLayoutConstraint *editionViewHeightConstraint;
+@property (weak, nonatomic) IBOutlet NSLayoutConstraint *editionViewBottomConstraint;
 @property (weak, nonatomic) IBOutlet UIButton *directChatButton;
 @property (weak, nonatomic) IBOutlet UIImageView *directChatImageView;
 @property (weak, nonatomic) IBOutlet UIButton *notificationsButton;
diff --git a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.m b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.m
index ee583e21e..f884672b5 100644
--- a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.m
+++ b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.m
@@ -24,6 +24,7 @@
     [super awakeFromNib];
     
     self.editionViewHeightConstraint.constant = 0;
+    self.editionViewBottomConstraint.constant = 0;
 }
 
 - (void)customizeTableViewCellRendering
@@ -42,6 +43,7 @@
     self.collectionView.delegate = nil;
     
     self.editionViewHeightConstraint.constant = 0;
+    self.editionViewBottomConstraint.constant = 0;
     self.editionView.hidden = YES;
     
     self.collectionView.scrollEnabled = YES;
diff --git a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.xib b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.xib
index 416f0be8b..5e7bf09b0 100644
--- a/Riot/Views/TableViewCell/TableViewCellWithCollectionView.xib
+++ b/Riot/Views/TableViewCell/TableViewCellWithCollectionView.xib
@@ -1,25 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="12121" systemVersion="16F73" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13196" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" colorMatched="YES">
     <device id="retina4_7" orientation="portrait">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
         <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12089"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13173"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
         <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
         <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
         <tableViewCell contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" id="20U-7H-xmi" customClass="TableViewCellWithCollectionView">
-            <rect key="frame" x="0.0" y="0.0" width="600" height="180"/>
+            <rect key="frame" x="0.0" y="0.0" width="600" height="181"/>
             <autoresizingMask key="autoresizingMask"/>
             <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="20U-7H-xmi" id="cFw-g7-Cgn">
-                <rect key="frame" x="0.0" y="0.0" width="600" height="179.5"/>
+                <rect key="frame" x="0.0" y="0.0" width="600" height="180.5"/>
                 <autoresizingMask key="autoresizingMask"/>
                 <subviews>
                     <collectionView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" showsHorizontalScrollIndicator="NO" showsVerticalScrollIndicator="NO" dataMode="none" translatesAutoresizingMaskIntoConstraints="NO" id="iXt-1Y-bEu">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="114.5"/>
+                        <rect key="frame" x="0.0" y="0.0" width="600" height="115"/>
                         <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                         <collectionViewFlowLayout key="collectionViewLayout" scrollDirection="horizontal" minimumLineSpacing="10" minimumInteritemSpacing="10" id="zZI-Za-2q1">
                             <size key="itemSize" width="50" height="50"/>
@@ -29,7 +29,7 @@
                         </collectionViewFlowLayout>
                     </collectionView>
                     <view hidden="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="K7T-mO-6FZ">
-                        <rect key="frame" x="15" y="114.5" width="570" height="60"/>
+                        <rect key="frame" x="15" y="115.5" width="570" height="60"/>
                         <subviews>
                             <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="R8G-pa-NMv">
                                 <rect key="frame" x="160" y="0.0" width="50" height="60"/>
@@ -137,6 +137,7 @@
                 <outlet property="directChatButton" destination="R8G-pa-NMv" id="q3c-wK-rRU"/>
                 <outlet property="directChatImageView" destination="zv7-4U-qzL" id="qnw-jg-llE"/>
                 <outlet property="editionView" destination="K7T-mO-6FZ" id="Mjq-oL-nfX"/>
+                <outlet property="editionViewBottomConstraint" destination="PQs-Ra-gvO" id="s7v-Zz-gv8"/>
                 <outlet property="editionViewHeightConstraint" destination="9CM-a2-YHI" id="FqF-q8-RbP"/>
                 <outlet property="favouriteButton" destination="MbR-Oe-6k1" id="9Jb-dQ-FIX"/>
                 <outlet property="favouriteImageView" destination="f0O-Nh-XqH" id="Eof-Xy-czp"/>