From b17d5a2d464894f5bfecac9d5a63f83173c5511c Mon Sep 17 00:00:00 2001
From: Guillaume BIENKOWSKI
 <guillaume.bienkowski@belledonne-communications.com>
Date: Thu, 6 Mar 2014 12:57:40 +0100
Subject: [PATCH] Enable remote typing indicator in the ChatRoom view

---
 Classes/Base.lproj/ChatRoomViewController.xib |  8 ++++
 Classes/ChatRoomViewController.h              |  1 +
 Classes/ChatRoomViewController.m              | 45 ++++++++++++++++++-
 Classes/LinphoneManager.h                     |  1 +
 Classes/LinphoneManager.m                     | 17 ++++++-
 .../Utils/GrowingTextView/HPGrowingTextView.h |  2 +
 .../Utils/GrowingTextView/HPGrowingTextView.m | 17 +++----
 Resources/en.lproj/Localizable.strings        |  4 +-
 Resources/fr.lproj/Localizable.strings        |  6 ++-
 Resources/ru.lproj/Localizable.strings        |  4 +-
 10 files changed, 91 insertions(+), 14 deletions(-)

diff --git a/Classes/Base.lproj/ChatRoomViewController.xib b/Classes/Base.lproj/ChatRoomViewController.xib
index 2f74f7e72..0bf82fefd 100644
--- a/Classes/Base.lproj/ChatRoomViewController.xib
+++ b/Classes/Base.lproj/ChatRoomViewController.xib
@@ -11,6 +11,7 @@
                 <outlet property="avatarImage" destination="41" id="44"/>
                 <outlet property="cancelTransferButton" destination="75" id="85"/>
                 <outlet property="chatView" destination="49" id="54"/>
+                <outlet property="composeLabel" destination="fpY-Fv-ht2" id="4L6-ik-ZAe"/>
                 <outlet property="editButton" destination="10" id="35"/>
                 <outlet property="headerView" destination="39" id="45"/>
                 <outlet property="imageTransferProgressBar" destination="74" id="79"/>
@@ -74,6 +75,13 @@
                                 <outlet property="delegate" destination="29" id="31"/>
                             </connections>
                         </tableView>
+                        <label hidden="YES" opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="%@ is composing..." textAlignment="right" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="10" id="fpY-Fv-ht2" userLabel="composeLabel">
+                            <rect key="frame" x="0.0" y="338" width="320" height="21"/>
+                            <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES"/>
+                            <accessibility key="accessibilityConfiguration" label=""/>
+                            <fontDescription key="fontDescription" type="system" pointSize="17"/>
+                            <nil key="highlightedColor"/>
+                        </label>
                         <view hidden="YES" contentMode="scaleToFill" id="72" userLabel="transferView">
                             <rect key="frame" x="0.0" y="359" width="320" height="57"/>
                             <autoresizingMask key="autoresizingMask" widthSizable="YES" flexibleMinY="YES"/>
diff --git a/Classes/ChatRoomViewController.h b/Classes/ChatRoomViewController.h
index 4f45e8982..a5b21685c 100644
--- a/Classes/ChatRoomViewController.h
+++ b/Classes/ChatRoomViewController.h
@@ -49,6 +49,7 @@
 @property (nonatomic, retain) IBOutlet UIImageView *messageBackgroundImage;
 @property (nonatomic, retain) IBOutlet UIImageView *transferBackgroundImage;
 @property (nonatomic, retain) IBOutlet UITapGestureRecognizer *listTapGestureRecognizer;
+@property (retain, nonatomic) IBOutlet UILabel *composeLabel;
 
 @property (nonatomic, copy) NSString *remoteAddress;
 @property (nonatomic, retain) IBOutlet UIButton* pictureButton;
diff --git a/Classes/ChatRoomViewController.m b/Classes/ChatRoomViewController.m
index dc5f1841c..4d83d98d0 100644
--- a/Classes/ChatRoomViewController.m
+++ b/Classes/ChatRoomViewController.m
@@ -34,6 +34,7 @@
 @synthesize editButton;
 @synthesize remoteAddress;
 @synthesize addressLabel;
+@synthesize composeLabel;
 @synthesize avatarImage;
 @synthesize headerView;
 @synthesize chatView;
@@ -88,6 +89,7 @@
     [imageQualities release];
     [waitView release];
     
+    [composeLabel release];
     [super dealloc];
 }
 
@@ -163,7 +165,10 @@ static UICompositeViewDescription *compositeDescription = nil;
 											 selector:@selector(onMessageChange:) 
 												 name:UITextViewTextDidChangeNotification 
 											   object:nil];
-    
+    [[NSNotificationCenter defaultCenter] addObserver:self
+                                             selector:@selector(textComposeEvent:)
+                                                 name:kLinphoneTextComposeEvent
+                                               object:nil];
     [[NSNotificationCenter defaultCenter] addObserver:self
                                              selector:@selector(coreUpdateEvent:)
                                                  name:kLinphoneCoreUpdate
@@ -195,6 +200,9 @@ static UICompositeViewDescription *compositeDescription = nil;
         linphone_chat_room_destroy(chatRoom);
         chatRoom = NULL;
     }
+
+    [composeLabel setHidden:TRUE];
+
     [[NSNotificationCenter defaultCenter] removeObserver:self
                                                     name:UIApplicationDidBecomeActiveNotification
                                                   object:nil];
@@ -214,6 +222,9 @@ static UICompositeViewDescription *compositeDescription = nil;
     [[NSNotificationCenter defaultCenter] removeObserver:self
                                                     name:kLinphoneCoreUpdate
 												  object:nil];
+    [[NSNotificationCenter defaultCenter] removeObserver:self
+                                                    name:kLinphoneTextComposeEvent
+												  object:nil];
 }
 
 - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
@@ -458,6 +469,27 @@ static void message_status(LinphoneChatMessage* msg,LinphoneChatMessageState sta
     }
 }
 
+- (void)textComposeEvent:(NSNotification*)notif {
+    LinphoneChatRoom* room = [[[notif userInfo] objectForKey:@"room"] pointerValue];
+    if( room ){
+        const LinphoneAddress* remote_peer = linphone_chat_room_get_peer_address(room);
+        LinphoneAddress* current_peer= linphone_address_new([remoteAddress cStringUsingEncoding:[NSString defaultCStringEncoding]]);
+
+        BOOL composing = linphone_chat_room_is_remote_composing(room);
+
+        if( composing && linphone_address_weak_equal(remote_peer, current_peer) ){
+            [composeLabel setText:[NSString stringWithFormat:NSLocalizedString(@"%@ is composing...", @""), [addressLabel text]]];
+            [composeLabel setAlpha:0];
+            [composeLabel setHidden:FALSE];
+            [UIView animateWithDuration:0.3 animations:^{ composeLabel.alpha = 1.0; }];
+        } else {
+            [UIView animateWithDuration:0.3 animations:^{ composeLabel.alpha = 0.0; } completion:^(BOOL f) { [composeLabel setHidden:TRUE]; }];
+        }
+
+        linphone_address_destroy(current_peer);
+    }
+}
+
 
 #pragma mark - UITextFieldDelegate Functions
 
@@ -475,6 +507,11 @@ static void message_status(LinphoneChatMessage* msg,LinphoneChatMessageState sta
     return TRUE;
 }
 
+- (void)growingTextChanged:(HPGrowingTextView *)growingTextView text:(NSString *)text {
+    if( [text length] > 0 && chatRoom )
+        linphone_chat_room_compose(chatRoom);
+}
+
 - (void)growingTextView:(HPGrowingTextView *)growingTextView willChangeHeight:(float)height {
     int diff = height - growingTextView.bounds.size.height;
     
@@ -500,6 +537,12 @@ static void message_status(LinphoneChatMessage* msg,LinphoneChatMessageState sta
         
         [messageBackgroundImage setImage:[TUNinePatchCache imageOfSize:[messageBackgroundImage bounds].size
                                                      forNinePatchNamed:@"chat_message_background"]];
+        // if we're showing the compose message, update it position
+        if ( ![composeLabel isHidden] ) {
+            CGRect frame = [composeLabel frame];
+            frame.origin.y -= diff;
+            [composeLabel setFrame:frame];
+        }
     }
 }
 
diff --git a/Classes/LinphoneManager.h b/Classes/LinphoneManager.h
index 3abc17c08..bc4829be8 100644
--- a/Classes/LinphoneManager.h
+++ b/Classes/LinphoneManager.h
@@ -39,6 +39,7 @@ extern const char *const LINPHONERC_APPLICATION_KEY;
 extern NSString *const kLinphoneCoreUpdate;
 extern NSString *const kLinphoneDisplayStatusUpdate;
 extern NSString *const kLinphoneTextReceived;
+extern NSString *const kLinphoneTextComposeEvent;
 extern NSString *const kLinphoneCallUpdate;
 extern NSString *const kLinphoneRegistrationUpdate;
 extern NSString *const kLinphoneMainViewChange;
diff --git a/Classes/LinphoneManager.m b/Classes/LinphoneManager.m
index 52b6a0818..2f34d88a4 100644
--- a/Classes/LinphoneManager.m
+++ b/Classes/LinphoneManager.m
@@ -50,6 +50,7 @@ const char *const LINPHONERC_APPLICATION_KEY = "app";
 NSString *const kLinphoneCoreUpdate = @"LinphoneCoreUpdate";
 NSString *const kLinphoneDisplayStatusUpdate = @"LinphoneDisplayStatusUpdate";
 NSString *const kLinphoneTextReceived = @"LinphoneTextReceived";
+NSString *const kLinphoneTextComposeEvent = @"LinphoneTextComposeStarted";
 NSString *const kLinphoneCallUpdate = @"LinphoneCallUpdate";
 NSString *const kLinphoneRegistrationUpdate = @"LinphoneRegistrationUpdate";
 NSString *const kLinphoneAddressBookUpdate = @"LinphoneAddressBookUpdate";
@@ -672,6 +673,19 @@ static void linphone_iphone_message_received(LinphoneCore *lc, LinphoneChatRoom
     [(LinphoneManager*)linphone_core_get_user_data(lc) onMessageReceived:lc room:room message:message];
 }
 
+#pragma mark - Message composition start 
+
+- (void)onMessageComposeReceived:(LinphoneCore*)core forRoom:(LinphoneChatRoom*)room {
+    [[NSNotificationCenter defaultCenter] postNotificationName:kLinphoneTextComposeEvent
+                                                        object:self
+                                                      userInfo:@{@"room":[NSValue valueWithPointer:room]}];
+}
+
+static void linphone_iphone_is_composing_received(LinphoneCore *lc, LinphoneChatRoom *room){
+    [(LinphoneManager*)linphone_core_get_user_data(lc) onMessageComposeReceived:lc forRoom:room];
+}
+
+
 
 #pragma mark - Network Functions
 
@@ -825,7 +839,8 @@ static LinphoneCoreVTable linphonec_vtable = {
 	.text_received=NULL,
 	.message_received=linphone_iphone_message_received,
 	.dtmf_received=NULL,
-    .transfer_state_changed=linphone_iphone_transfer_state_changed
+    .transfer_state_changed=linphone_iphone_transfer_state_changed,
+    .is_composing_received = linphone_iphone_is_composing_received
 };
 
 //scheduling loop
diff --git a/Classes/Utils/GrowingTextView/HPGrowingTextView.h b/Classes/Utils/GrowingTextView/HPGrowingTextView.h
index 0a8a250ed..c9238b69d 100755
--- a/Classes/Utils/GrowingTextView/HPGrowingTextView.h
+++ b/Classes/Utils/GrowingTextView/HPGrowingTextView.h
@@ -45,6 +45,8 @@
 - (void)growingTextViewDidBeginEditing:(HPGrowingTextView *)growingTextView;
 - (void)growingTextViewDidEndEditing:(HPGrowingTextView *)growingTextView;
 
+- (void)growingTextChanged:(HPGrowingTextView *)growingTextView text:(NSString*)text;
+
 - (BOOL)growingTextView:(HPGrowingTextView *)growingTextView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text;
 - (void)growingTextViewDidChange:(HPGrowingTextView *)growingTextView;
 
diff --git a/Classes/Utils/GrowingTextView/HPGrowingTextView.m b/Classes/Utils/GrowingTextView/HPGrowingTextView.m
index 1a5166a83..6eec61c24 100755
--- a/Classes/Utils/GrowingTextView/HPGrowingTextView.m
+++ b/Classes/Utils/GrowingTextView/HPGrowingTextView.m
@@ -623,14 +623,17 @@
 ///////////////////////////////////////////////////////////////////////////////////////////////////
 - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range
  replacementText:(NSString *)atext {
-	
+
 	//weird 1 pixel bug when clicking backspace when textView is empty
 	if(![textView hasText] && [atext isEqualToString:@""]) return NO;
-	
+
+    if( [delegate respondsToSelector:@selector(growingTextChanged:text:)])
+        [delegate growingTextChanged:self text:atext];
+
 	//Added by bretdabaker: sometimes we want to handle this ourselves
-    	if ([delegate respondsToSelector:@selector(growingTextView:shouldChangeTextInRange:replacementText:)])
-        	return [delegate growingTextView:self shouldChangeTextInRange:range replacementText:atext];
-	
+    if ([delegate respondsToSelector:@selector(growingTextView:shouldChangeTextInRange:replacementText:)])
+        return [delegate growingTextView:self shouldChangeTextInRange:range replacementText:atext];
+
 	if ([atext isEqualToString:@"\n"]) {
 		if ([delegate respondsToSelector:@selector(growingTextViewShouldReturn:)]) {
 			if (![delegate performSelector:@selector(growingTextViewShouldReturn:) withObject:self]) {
@@ -641,10 +644,8 @@
 			}
 		}
 	}
-	
+
 	return YES;
-	
-    
 }
 
 ///////////////////////////////////////////////////////////////////////////////////////////////////
diff --git a/Resources/en.lproj/Localizable.strings b/Resources/en.lproj/Localizable.strings
index 1af1a457f..da3e56166 100644
--- a/Resources/en.lproj/Localizable.strings
+++ b/Resources/en.lproj/Localizable.strings
@@ -1,4 +1,4 @@
-/* No comment provided by engineer. */
+/* No comment provided by engineer. */
 " (Aborted)" = " (Aborted)";
 
 /* No comment provided by engineer. */
@@ -300,3 +300,5 @@
 
 /* Placeholder for the address in DialerView */
 "Enter an address" = "Enter SIP address or phone number...";
+"%@ is composing..." = "%@ is composing...";
+"Resend" = "Resend";
diff --git a/Resources/fr.lproj/Localizable.strings b/Resources/fr.lproj/Localizable.strings
index 427d70d98..fd6db7002 100644
--- a/Resources/fr.lproj/Localizable.strings
+++ b/Resources/fr.lproj/Localizable.strings
@@ -1,4 +1,4 @@
-/* No comment provided by engineer. */
+/* No comment provided by engineer. */
 " (Aborted)" = " (Annulé)";
 
 /* No comment provided by engineer. */
@@ -299,4 +299,6 @@
 "© 2010-2012 Belledonne Communications " = "© 2010-2012 Belledonne Communications ";
 
 /* Placeholder for the address in DialerView */
-"Enter an address" = "Entrez une addresse SIP ou un numéro de téléphone...";
\ No newline at end of file
+"Enter an address" = "Entrez une addresse SIP ou un numéro de téléphone...";
+"%@ is composing..." = "%@ rédige un message...";
+"Resend" = "Renvoyer";
diff --git a/Resources/ru.lproj/Localizable.strings b/Resources/ru.lproj/Localizable.strings
index f6956f94b..e8b5c0d8e 100644
--- a/Resources/ru.lproj/Localizable.strings
+++ b/Resources/ru.lproj/Localizable.strings
@@ -1,4 +1,4 @@
-/* No comment provided by engineer. */
+/* No comment provided by engineer. */
 " (Aborted)" = " (Прервано)";
 
 /* No comment provided by engineer. */
@@ -300,3 +300,5 @@
 
 /* Placeholder for the address in DialerView */
 "Enter an address" = "Введите адрес SIP или номер телефона...";
+"%@ is composing..." = "%@ is composing...";
+"Resend" = "Resend";