chat: update RecentModel selection

Clear RecentModel current index:
- during a call when the call is OVER
- in chat view when clicking on back button

This allow to reselect the previous row, and visually reset
the row (remove highlight state)

Change-Id: I36f531c6304ce48f0be3cc541f28a21d73a05262
Tuleap: #202

src/ConversationVC.h

@@ -23,7 +23,7 @@
 
 -(void) initFrame;
 -(void) animateIn;
--(IBAction) animateOut:(id)sender;
+-(void) animateOut;
 
 /**
  * Message contained in messageField TextField.

src/ConversationVC.mm

@@ -44,7 +44,6 @@
 
 @interface ConversationVC () <NSOutlineViewDelegate> {
 
-    __unsafe_unretained IBOutlet IconButton* backButton;
     __unsafe_unretained IBOutlet NSTextField* messageField;
     QVector<ContactMethod*> contactMethods;
     NSMutableString* textSelection;
@@ -141,6 +140,11 @@
     }
 }
 
+- (IBAction)backPressed:(id)sender {
+    [conversationView setDelegate:nil];
+    RecentModel::instance().selectionModel()->clearCurrentIndex();
+}
+
 # pragma mark private IN/OUT animations
 
 -(void) animateIn
@@ -159,7 +163,7 @@
     [CATransaction commit];
 }
 
--(IBAction) animateOut:(id)sender
+-(void) animateOut
 {
     if(self.view.frame.origin.x < 0) {
         return;
@@ -359,6 +363,7 @@
         treeController = [[QNSTreeController alloc] initWithQModel:txtRecording->instantMessagingModel()];
         [treeController setAvoidsEmptySelection:NO];
         [treeController setChildrenKeyPath:@"children"];
+        [conversationView setDelegate:self];
         [conversationView bind:@"content" toObject:treeController withKeyPath:@"arrangedObjects" options:nil];
         [conversationView bind:@"sortDescriptors" toObject:treeController withKeyPath:@"sortDescriptors" options:nil];
         [conversationView bind:@"selectionIndexPaths" toObject:treeController withKeyPath:@"selectionIndexPaths" options:nil];

src/CurrentCallVC.mm

@@ -266,7 +266,7 @@
                              [self animateOut];
                          else if (CallModel::instance().getIndex(c) == current) {
                              if (c->state() == Call::State::OVER) {
-                                 [self animateOut];
+                                 RecentModel::instance().selectionModel()->clearCurrentIndex();
                              } else {
                                  [self updateCall];
                              }

src/RingWindowController.mm

@@ -88,7 +88,7 @@ static NSString* const kPreferencesIdentifier = @"PreferencesIdentifier";
                      [=](const QModelIndex &current, const QModelIndex &previous) {
                          auto call = RecentModel::instance().getActiveCall(current);
                          if(!current.isValid()) {
-                             [offlineVC animateOut:self];
+                             [offlineVC animateOut];
                              [currentCallVC animateOut];
                              return;
                          }
@@ -98,7 +98,7 @@ static NSString* const kPreferencesIdentifier = @"PreferencesIdentifier";
                              [offlineVC animateIn];
                          } else {
                              [currentCallVC animateIn];
-                             [offlineVC animateOut:self];
+                             [offlineVC animateOut];
                          }
                      });
 }

src/SmartViewVC.mm

@@ -98,8 +98,10 @@ NSInteger const TXT_BUTTON_TAG  =   500;
     QObject::connect(RecentModel::instance().selectionModel(),
                      &QItemSelectionModel::currentChanged,
                      [=](const QModelIndex &current, const QModelIndex &previous) {
-                         if(!current.isValid())
+                         if(!current.isValid()) {
+                             [smartView deselectAll:nil];
                              return;
+                         }
 
                          auto proxyIdx = RecentModel::instance().peopleProxy()->mapFromSource(current);
                          if (proxyIdx.isValid()) {

ui/Base.lproj/Conversation.xib

@@ -6,7 +6,6 @@
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="ConversationVC">
             <connections>
-                <outlet property="backButton" destination="ooq-vs-Xt1" id="BKE-0Z-BFy"/>
                 <outlet property="contactMethodsPopupButton" destination="xdB-aI-PSs" id="BZW-FI-WpH"/>
                 <outlet property="conversationTitle" destination="ucx-6g-eJw" id="40T-pM-nix"/>
                 <outlet property="conversationView" destination="bOO-CW-S21" id="NkS-gm-3Qn"/>
@@ -160,7 +159,7 @@
                         </userDefinedRuntimeAttribute>
                     </userDefinedRuntimeAttributes>
                     <connections>
-                        <action selector="animateOut:" target="-2" id="t7C-zL-3sv"/>
+                        <action selector="backPressed:" target="-2" id="Vfg-Ve-O7w"/>
                     </connections>
                 </button>
                 <popUpButton verticalHuggingPriority="750" translatesAutoresizingMaskIntoConstraints="NO" id="xdB-aI-PSs" userLabel="CMs Popup menu">