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2017-08-15 16:59:01 +08:00
commit bdc83e07ef
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+//
+//  CellLayoutConfig.m
+//  DemoApplication
+//
+//  Created by chris on 15/11/1.
+//  Copyright © 2015年 chris. All rights reserved.
+//
+
+#import "CellLayoutConfig.h"
+#import "NTESSessionCustomContentConfig.h"
+#import "NTESChatroomTextContentConfig.h"
+#import "NTESWhiteboardAttachment.h"
+
+@interface CellLayoutConfig ()
+@property (nonatomic,strong)    NSArray    *types;
+@property (nonatomic,strong)    NTESSessionCustomContentConfig  *sessionCustomconfig;
+@property (nonatomic,strong)    NTESChatroomTextContentConfig   *chatroomTextConfig;
+@end
+
+@implementation CellLayoutConfig
+
+- (instancetype)init
+{
+    if (self = [super init])
+    {
+        _types =  @[
+                    @"NTESJanKenPonAttachment",
+                    @"NTESSnapchatAttachment",
+                    @"NTESChartletAttachment",
+                    @"NTESWhiteboardAttachment"
+                    ];
+        _sessionCustomconfig = [[NTESSessionCustomContentConfig alloc] init];
+        _chatroomTextConfig = [[NTESChatroomTextContentConfig alloc] init];
+    }
+    return self;
+}
+
+
+#pragma mark - NIMCellLayoutConfig
+- (CGSize)contentSize:(NIMMessageModel *)model cellWidth:(CGFloat)width{
+    
+    NIMMessage *message = model.message;
+    //检查是不是当前支持的自定义消息类型
+    if ([self isSupportedCustomMessage:message]) {
+        return [_sessionCustomconfig contentSize:width message:message];
+    }
+    
+    //检查是不是聊天室文本消息
+    if ([self isChatroomTextMessage:message]) {
+        return [_chatroomTextConfig contentSize:width message:message];
+    }
+    
+    //如果没有特殊需求，就走默认处理流程
+    return [super contentSize:model
+                    cellWidth:width];
+    
+}
+
+- (NSString *)cellContent:(NIMMessageModel *)model{
+    
+    NIMMessage *message = model.message;
+    //检查是不是当前支持的自定义消息类型
+    if ([self isSupportedCustomMessage:message]) {
+        return [_sessionCustomconfig cellContent:message];
+    }
+    
+    //检查是不是聊天室文本消息
+    if ([self isChatroomTextMessage:message]) {
+        return [_chatroomTextConfig cellContent:message];
+    }
+    
+    //如果没有特殊需求，就走默认处理流程
+    return [super cellContent:model];
+}
+
+- (UIEdgeInsets)contentViewInsets:(NIMMessageModel *)model
+{
+    NIMMessage *message = model.message;
+    //检查是不是当前支持的自定义消息类型
+    if ([self isSupportedCustomMessage:message]) {
+        return [_sessionCustomconfig contentViewInsets:message];
+    }
+    
+    //检查是不是聊天室文本消息
+    if ([self isChatroomTextMessage:message]) {
+        return [_chatroomTextConfig contentViewInsets:message];
+    }
+    
+    //如果没有特殊需求，就走默认处理流程
+    return [super contentViewInsets:model];
+}
+
+- (UIEdgeInsets)cellInsets:(NIMMessageModel *)model
+{
+    NIMMessage *message = model.message;
+    
+    //检查是不是聊天室消息
+    if (message.session.sessionType == NIMSessionTypeChatroom) {
+        return UIEdgeInsetsZero;
+    }
+    
+    //如果没有特殊需求，就走默认处理流程
+    return [super cellInsets:model];
+}
+
+
+- (BOOL)shouldShowAvatar:(NIMMessageModel *)model
+{
+    if ([self isSupportedChatroomMessage:model.message]) {
+        return NO;
+    }
+    if ([self isWhiteboardCloseNotificationMessage:model.message]){
+        return NO;
+    }
+    return [super shouldShowAvatar:model];
+}
+
+- (BOOL)shouldShowLeft:(NIMMessageModel *)model{
+    if ([self isSupportedChatroomMessage:model.message]) {
+        return YES;
+    }
+    return [super shouldShowLeft:model];
+}
+
+
+- (BOOL)shouldShowNickName:(NIMMessageModel *)model{
+    if ([self isSupportedChatroomMessage:model.message]) {
+        return YES;
+    }
+    return [super shouldShowNickName:model];
+}
+
+- (CGFloat)nickNameMargin:(NIMMessageModel *)model{
+    
+    if ([self isSupportedChatroomMessage:model.message]) {
+        NSDictionary *ext = model.message.remoteExt;
+        NIMChatroomMemberType type = [ext[@"type"] integerValue];
+        switch (type) {
+            case NIMChatroomMemberTypeManager:
+            case NIMChatroomMemberTypeCreator:
+                return 50.f;
+            default:
+                break;
+        }
+        return 15.f;
+        
+    }
+    return [super nickNameMargin:model];
+}
+
+- (NSArray *)customViews:(NIMMessageModel *)model
+{
+    if ([self isSupportedChatroomMessage:model.message]) {
+        NSDictionary *ext = model.message.remoteExt;
+        NIMChatroomMemberType type = [ext[@"type"] integerValue];
+        NSString *imageName;
+        switch (type) {
+            case NIMChatroomMemberTypeManager:
+                imageName = @"chatroom_role_manager";
+                break;
+            case NIMChatroomMemberTypeCreator:
+                imageName = @"chatroom_role_master";
+                break;
+            default:
+                break;
+        }
+        UIImageView *imageView;
+        if (imageName.length) {
+            UIImage *image = [UIImage imageNamed:imageName];
+            imageView = [[UIImageView alloc] initWithImage:image];
+            CGFloat leftMargin = 15.f;
+            CGFloat topMatgin  = 0.f;
+            CGRect frame = imageView.frame;
+            frame.origin = CGPointMake(leftMargin, topMatgin);
+            imageView.frame = frame;
+        }
+        return imageView ? @[imageView] : nil;
+    }
+    return [super customViews:model];
+}
+
+
+
+#pragma mark - misc
+- (BOOL)isSupportedCustomMessage:(NIMMessage *)message
+{
+    NIMCustomObject *object = message.messageObject;
+    return [object isKindOfClass:[NIMCustomObject class]] &&
+    [_types indexOfObject:NSStringFromClass([object.attachment class])] != NSNotFound;
+    
+}
+
+
+- (BOOL)isSupportedChatroomMessage:(NIMMessage *)message
+{
+    return message.session.sessionType == NIMSessionTypeChatroom &&
+    (message.messageType == NIMMessageTypeText || [self isSupportedCustomMessage:message]);
+}
+
+- (BOOL)isChatroomTextMessage:(NIMMessage *)message
+{
+    return message.session.sessionType == NIMSessionTypeChatroom &&
+    message.messageObject == NIMMessageTypeText;
+}
+
+
+- (BOOL)isWhiteboardCloseNotificationMessage:(NIMMessage *)message
+{
+    if (message.messageType == NIMMessageTypeCustom) {
+        NIMCustomObject *object = message.messageObject;
+        if ([object.attachment isKindOfClass:[NTESWhiteboardAttachment class]]) {
+            return [(NTESWhiteboardAttachment *)object.attachment flag] == CustomWhiteboardFlagClose;
+        }
+    }
+    return NO;
+}
+
+@end