Add custom swipe gesture for reply in chat cells.

Signed-off-by: Ivan Sein <ivan@nextcloud.com>

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "ThirdParty/SlackTextViewController"]
 	path = ThirdParty/SlackTextViewController
 	url = https://github.com/Ivansss/SlackTextViewController.git
+[submodule "ThirdParty/DRCellSlideGestureRecognizer"]
+	path = ThirdParty/DRCellSlideGestureRecognizer
+	url = https://github.com/Ivansss/DRCellSlideGestureRecognizer.git

NextcloudTalk.xcodeproj/project.pbxproj

@@ -296,6 +296,9 @@
 		2CC007CA20E125C20096D91F /* NewRoomTableViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC007C820E125C20096D91F /* NewRoomTableViewController.m */; };
 		2CC007CB20E125C20096D91F /* NewRoomTableViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 2CC007C920E125C20096D91F /* NewRoomTableViewController.xib */; };
 		2CC007CE20E50B0A0096D91F /* MessageBodyTextView.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC007CD20E50B0A0096D91F /* MessageBodyTextView.m */; };
+		2CC1C38629C0945700C8436B /* DRCellSlideGestureRecognizer.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC1C38029C0945600C8436B /* DRCellSlideGestureRecognizer.m */; };
+		2CC1C38729C0945700C8436B /* DRCellSlideAction.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC1C38429C0945700C8436B /* DRCellSlideAction.m */; };
+		2CC1C38829C0945700C8436B /* DRCellSlideActionView.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC1C38529C0945700C8436B /* DRCellSlideActionView.m */; };
 		2CC1FF4428147F11009F7288 /* RoomSharedItemsTableViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CC1FF4228147F10009F7288 /* RoomSharedItemsTableViewController.swift */; };
 		2CC1FF4528147F11009F7288 /* RoomSharedItemsTableViewController.xib in Resources */ = {isa = PBXBuildFile; fileRef = 2CC1FF4328147F10009F7288 /* RoomSharedItemsTableViewController.xib */; };
 		2CC1FF4828183958009F7288 /* NCDeckCardParameter.m in Sources */ = {isa = PBXBuildFile; fileRef = 2CC1FF4728183958009F7288 /* NCDeckCardParameter.m */; };
@@ -751,6 +754,12 @@
 		2CC007C920E125C20096D91F /* NewRoomTableViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = NewRoomTableViewController.xib; sourceTree = "<group>"; };
 		2CC007CC20E50B0A0096D91F /* MessageBodyTextView.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = MessageBodyTextView.h; sourceTree = "<group>"; };
 		2CC007CD20E50B0A0096D91F /* MessageBodyTextView.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = MessageBodyTextView.m; sourceTree = "<group>"; };
+		2CC1C38029C0945600C8436B /* DRCellSlideGestureRecognizer.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DRCellSlideGestureRecognizer.m; sourceTree = "<group>"; };
+		2CC1C38129C0945600C8436B /* DRCellSlideAction.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DRCellSlideAction.h; sourceTree = "<group>"; };
+		2CC1C38229C0945600C8436B /* DRCellSlideActionView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DRCellSlideActionView.h; sourceTree = "<group>"; };
+		2CC1C38329C0945600C8436B /* DRCellSlideGestureRecognizer.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = DRCellSlideGestureRecognizer.h; sourceTree = "<group>"; };
+		2CC1C38429C0945700C8436B /* DRCellSlideAction.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DRCellSlideAction.m; sourceTree = "<group>"; };
+		2CC1C38529C0945700C8436B /* DRCellSlideActionView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = DRCellSlideActionView.m; sourceTree = "<group>"; };
 		2CC1FF4228147F10009F7288 /* RoomSharedItemsTableViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = RoomSharedItemsTableViewController.swift; sourceTree = "<group>"; };
 		2CC1FF4328147F10009F7288 /* RoomSharedItemsTableViewController.xib */ = {isa = PBXFileReference; lastKnownFileType = file.xib; path = RoomSharedItemsTableViewController.xib; sourceTree = "<group>"; };
 		2CC1FF4628183958009F7288 /* NCDeckCardParameter.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = NCDeckCardParameter.h; sourceTree = "<group>"; };
@@ -957,6 +966,7 @@
 		2C05749C1EDDA01700D9E7F2 /* ThirdParty */ = {
 			isa = PBXGroup;
 			children = (
+				2CC1C37F29C0945600C8436B /* DRCellSlideGestureRecognizer */,
 				2C20269D236832D300DFC89B /* FTPopOverMenu */,
 				2CB302F92264775E0053078A /* SlackTextViewController */,
 				2C4E758C214B942D003910D5 /* Firefox */,
@@ -1437,6 +1447,20 @@
 			path = NotificationServiceExtension;
 			sourceTree = "<group>";
 		};
+		2CC1C37F29C0945600C8436B /* DRCellSlideGestureRecognizer */ = {
+			isa = PBXGroup;
+			children = (
+				2CC1C38029C0945600C8436B /* DRCellSlideGestureRecognizer.m */,
+				2CC1C38129C0945600C8436B /* DRCellSlideAction.h */,
+				2CC1C38229C0945600C8436B /* DRCellSlideActionView.h */,
+				2CC1C38329C0945600C8436B /* DRCellSlideGestureRecognizer.h */,
+				2CC1C38429C0945700C8436B /* DRCellSlideAction.m */,
+				2CC1C38529C0945700C8436B /* DRCellSlideActionView.m */,
+			);
+			name = DRCellSlideGestureRecognizer;
+			path = ThirdParty/DRCellSlideGestureRecognizer/DRCellSlideGestureRecognizer;
+			sourceTree = "<group>";
+		};
 		2CF0679E208A2A430070A79B /* Chat */ = {
 			isa = PBXGroup;
 			children = (
@@ -1887,6 +1911,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				2C444703265D641300DF1DBC /* NCUserDefaults.m in Sources */,
+				2CC1C38729C0945700C8436B /* DRCellSlideAction.m in Sources */,
 				1FEDE3C6257D439500853F79 /* NCChatFileController.m in Sources */,
 				1FEDE3CE257D43AB00853F79 /* NCMessageFileParameter.m in Sources */,
 				2C4446DD2658158000DF1DBC /* NCChatBlock.m in Sources */,
@@ -1996,11 +2021,13 @@
 				2CA155562099E07700CE8EF0 /* GroupedChatMessageTableViewCell.m in Sources */,
 				2CA15548208EA1EA00CE8EF0 /* ChatMessageTableViewCell.m in Sources */,
 				2CC1FF4428147F11009F7288 /* RoomSharedItemsTableViewController.swift in Sources */,
+				2CC1C38629C0945700C8436B /* DRCellSlideGestureRecognizer.m in Sources */,
 				1FB52E762842C75E00AC741B /* QRCodeLoginController.swift in Sources */,
 				2C4446D8265814D100DF1DBC /* ServerCapabilities.m in Sources */,
 				DA66582D27B6A73800B46B11 /* UserProfileTableViewController+DelegateMethods.swift in Sources */,
 				1F5CDF642584E78900B0026E /* NCChatFileStatus.m in Sources */,
 				2CBF82C11FD5AE3F00636459 /* NCPushProxySessionManager.m in Sources */,
+				2CC1C38829C0945700C8436B /* DRCellSlideActionView.m in Sources */,
 				1FA732FC2966CBB7003D2103 /* CallFlowLayout.swift in Sources */,
 				2C78EF951F7E70EB008AFA74 /* NCPeerConnection.m in Sources */,
 				2C06BF6C20AEB0030031EB46 /* RoundedNumberView.m in Sources */,

NextcloudTalk/ChatMessageTableViewCell.m

@@ -388,6 +388,14 @@
             }
         }];
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)setGuestAvatar:(NSString *)displayName

NextcloudTalk/ChatTableViewCell.h

@@ -24,6 +24,7 @@
 
 #import "NextcloudTalk-Swift.h"
 
+#import "DRCellSlideGestureRecognizer.h"
 #import "NCChatMessage.h"
 
 static CGFloat kChatCellStatusViewHeight    = 20.0;
@@ -41,6 +42,7 @@ typedef enum ChatMessageDeliveryState {
 @protocol ChatTableViewCellDelegate <NSObject>
 
 - (void)cellDidSelectedReaction:(NCChatReaction *)reaction forMessage:(NCChatMessage *)message;
+- (void)cellWantsToReplyToMessage:(NCChatMessage *)message;
 
 @end
 
@@ -50,5 +52,6 @@ typedef enum ChatMessageDeliveryState {
 @property (nonatomic, strong) NCChatMessage *message;
 
 - (UIMenu *)getDeferredUserMenuForMessage:(NCChatMessage *)message;
+- (void)addReplyGestureWithActionBlock:(DRCellSlideActionBlock)block;
 
 @end

NextcloudTalk/ChatTableViewCell.m

@@ -25,6 +25,7 @@
 typedef void (^GetMenuUserActionsForMessageCompletionBlock)(NSArray *menuItems);
 
 @interface ChatTableViewCell () <UITextFieldDelegate>
+@property (nonatomic, strong) DRCellSlideGestureRecognizer *replyGestureRecognizer;
 @end
 
 @implementation ChatTableViewCell
@@ -43,6 +44,34 @@ typedef void (^GetMenuUserActionsForMessageCompletionBlock)(NSArray *menuItems);
     [super prepareForReuse];
     self.messageId = -1;
     self.message = nil;
+    [self removeGestureRecognizer:self.replyGestureRecognizer];
+}
+
+- (void)addReplyGestureWithActionBlock:(DRCellSlideActionBlock)block
+{
+    self.replyGestureRecognizer = [DRCellSlideGestureRecognizer new];
+    self.replyGestureRecognizer.leftActionStartPosition = 80;
+    DRCellSlideAction *action = [DRCellSlideAction actionForFraction:0.2];
+    action.behavior = DRCellSlideActionPullBehavior;
+    action.activeColor = [UIColor labelColor];
+    action.inactiveColor = [UIColor placeholderTextColor];
+    action.activeBackgroundColor = self.backgroundColor;
+    action.inactiveBackgroundColor = self.backgroundColor;
+    action.icon = [UIImage imageNamed:@"reply"];
+
+    [action setWillTriggerBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+        block(tableView, indexPath);
+    }];
+
+    [action setDidChangeStateBlock:^(DRCellSlideAction *action, BOOL active) {
+        if (active) {
+            // Actuate `Peek` feedback (weak boom)
+            AudioServicesPlaySystemSound(1519);
+        }
+    }];
+
+    [self.replyGestureRecognizer addActions:action];
+    [self addGestureRecognizer:self.replyGestureRecognizer];
 }
 
 - (UIMenu *)getDeferredUserMenuForMessage:(NCChatMessage *)message

NextcloudTalk/FileMessageTableViewCell.m

@@ -256,6 +256,14 @@
             [self setDeliveryState:ChatMessageDeliveryStateSent];
         }
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)requestPreviewForMessage:(NCChatMessage *)message withAccount:(TalkAccount *)account

NextcloudTalk/GroupedChatMessageTableViewCell.m

@@ -146,6 +146,14 @@
             }
         }];
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)setDeliveryState:(ChatMessageDeliveryState)state

NextcloudTalk/LocationMessageTableViewCell.m

@@ -207,6 +207,14 @@
             [self setDeliveryState:ChatMessageDeliveryStateSent];
         }
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)createLocationPreview

NextcloudTalk/NCChatViewController.m

@@ -3863,24 +3863,6 @@ NSString * const NCChatViewControllerTalkToUserNotification = @"NCChatViewContro
     return previewController;
 }
 
-//Swipe to reply option
-- (UISwipeActionsConfiguration *)tableView:(UITableView *)tableView leadingSwipeActionsConfigurationForRowAtIndexPath:(nonnull NSIndexPath *)indexPath
-{
-    NSDate *sectionDate = [_dateSections objectAtIndex:indexPath.section];
-    NCChatMessage *message = [[_messages objectForKey:sectionDate] objectAtIndex:indexPath.row];
-    if (message.isReplyable && !message.isDeleting) {
-        UIContextualAction *replyAction = [UIContextualAction contextualActionWithStyle:UIContextualActionStyleNormal title:nil handler:^(UIContextualAction * _Nonnull action, __kindof UIView * _Nonnull sourceView, void (^ _Nonnull completionHandler)(BOOL)) {
-            [self didPressReply:message];
-            completionHandler(true);
-        }];
-        replyAction.image = [UIImage imageNamed:@"reply-settings"];
-        replyAction.backgroundColor = self.tableView.backgroundColor;
-        return [UISwipeActionsConfiguration configurationWithActions:@[replyAction]];
-    } else {
-        return nil;
-    }
-}
-
 #pragma mark - FileMessageTableViewCellDelegate
 
 - (void)cellWantsToDownloadFile:(NCMessageFileParameter *)fileParameter
@@ -4012,6 +3994,11 @@ NSString * const NCChatViewControllerTalkToUserNotification = @"NCChatViewContro
     [self addOrRemoveReaction:reaction inChatMessage:message];
 }
 
+- (void)cellWantsToReplyToMessage:(NCChatMessage *)message
+{
+    [self didPressReply:message];
+}
+
 #pragma mark - NCChatFileControllerDelegate
 
 - (void)fileControllerDidLoadFile:(NCChatFileController *)fileController withFileStatus:(NCChatFileStatus *)fileStatus

NextcloudTalk/ObjectShareMessageTableViewCell.m

@@ -216,6 +216,14 @@
             [self setDeliveryState:ChatMessageDeliveryStateSent];
         }
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)setDeliveryState:(ChatMessageDeliveryState)state

NextcloudTalk/VoiceMessageTableViewCell.m

@@ -243,6 +243,14 @@
             [self setDeliveryState:ChatMessageDeliveryStateSent];
         }
     }
+
+    if (self.message.isReplyable && !self.message.isDeleting) {
+        __weak typeof(self) weakSelf = self;
+        [self addReplyGestureWithActionBlock:^(UITableView *tableView, NSIndexPath *indexPath) {
+            __strong typeof(self) strongSelf = weakSelf;
+            [strongSelf.delegate cellWantsToReplyToMessage:strongSelf.message];
+        }];
+    }
 }
 
 - (void)setDeliveryState:(ChatMessageDeliveryState)state

ThirdParty/DRCellSlideGestureRecognizer

@@ -0,0 +1 @@
+Subproject commit 1939fd516708f3938cc5efccba5f944352a41e5e