Merge MatrixKit develop with commit hash: b85b736313bec0592bd1cabc68035d97f5331137

2026-04-22 01:22:46 +02:00 · 2021-12-03 11:47:24 +01:00
parent af65f71177
commit f57941177e
475 changed files with 87437 additions and 0 deletions
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+/*
+ Copyright 2015 OpenMarket Ltd
+ Copyright 2018 New Vector Ltd
+ 
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+ 
+ http://www.apache.org/licenses/LICENSE-2.0
+ 
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+#import "MXKEventDetailsView.h"
+
+#import "NSBundle+MatrixKit.h"
+
+#import "MXKConstants.h"
+
+#import "MXKSwiftHeader.h"
+
+@interface MXKEventDetailsView ()
+{
+    /**
+     The displayed event
+     */
+    MXEvent *mxEvent;
+    
+    /**
+     The matrix session.
+     */
+    MXSession *mxSession;
+}
+@end
+
+@implementation MXKEventDetailsView
+
+ (UINib *)nib
+{
+    // Check whether a nib file is available
+    NSBundle *mainBundle = [NSBundle mxk_bundleForClass:self.class];
+    
+    NSString *path = [mainBundle pathForResource:NSStringFromClass([self class]) ofType:@"nib"];
+    if (path)
+    {
+        return [UINib nibWithNibName:NSStringFromClass([self class]) bundle:mainBundle];
+    }
+    return [UINib nibWithNibName:NSStringFromClass([MXKEventDetailsView class]) bundle:[NSBundle mxk_bundleForClass:[MXKEventDetailsView class]]];
+}
+
+- (void)awakeFromNib
+{
+    [super awakeFromNib];
+    
+    // Localize string
+    [_redactButton setTitle:[MatrixKitL10n redact] forState:UIControlStateNormal];
+    [_redactButton setTitle:[MatrixKitL10n redact] forState:UIControlStateHighlighted];
+    [_closeButton setTitle:[MatrixKitL10n close] forState:UIControlStateNormal];
+    [_closeButton setTitle:[MatrixKitL10n close] forState:UIControlStateHighlighted];
+}
+
+- (instancetype)initWithEvent:(MXEvent*)event andMatrixSession:(MXSession*)session
+{
+    self = [[[self class] nib] instantiateWithOwner:nil options:nil].firstObject;
+    if (self)
+    {
+        mxEvent = event;
+        mxSession = session;
+        
+        [self setTranslatesAutoresizingMaskIntoConstraints: NO];
+        
+        // Disable redact button by default
+        _redactButton.enabled = NO;
+        
+        if (mxEvent)
+        {
+            NSMutableDictionary *eventDict = [NSMutableDictionary dictionaryWithDictionary:mxEvent.JSONDictionary];
+            
+            // Remove event type added by SDK
+            [eventDict removeObjectForKey:@"event_type"];
+            // Remove null values and empty dictionaries
+            for (NSString *key in eventDict.allKeys)
+            {
+                if ([[eventDict objectForKey:key] isEqual:[NSNull null]])
+                {
+                    [eventDict removeObjectForKey:key];
+                }
+                else if ([[eventDict objectForKey:key] isKindOfClass:[NSDictionary class]])
+                {
+                    NSDictionary *dict = [eventDict objectForKey:key];
+                    if (!dict.count)
+                    {
+                        [eventDict removeObjectForKey:key];
+                    }
+                    else
+                    {
+                        NSMutableDictionary *updatedDict = [NSMutableDictionary dictionaryWithDictionary:dict];
+                        for (NSString *subKey in dict.allKeys)
+                        {
+                            if ([[dict objectForKey:subKey] isEqual:[NSNull null]])
+                            {
+                                [updatedDict removeObjectForKey:subKey];
+                            }
+                        }
+                        [eventDict setObject:updatedDict forKey:key];
+                    }
+                }
+            }
+            
+            // Set text view content
+            NSError *error;
+            NSData *jsonData = [NSJSONSerialization dataWithJSONObject:eventDict
+                                                               options:NSJSONWritingPrettyPrinted
+                                                                 error:&error];
+            _textView.text = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
+            
+            // Check whether the user can redact this event
+            // Do not allow to redact the event that enabled encryption (m.room.encryption)
+            // because it breaks everything
+            if (!mxEvent.isRedactedEvent && mxEvent.eventType != MXEventTypeRoomEncryption)
+            {
+                // Here the event has not been already redacted, check the user's power level
+                MXRoom *mxRoom = [mxSession roomWithRoomId:mxEvent.roomId];
+                if (mxRoom)
+                {
+                    MXWeakify(self);
+                    [mxRoom state:^(MXRoomState *roomState) {
+                        MXStrongifyAndReturnIfNil(self);
+
+                        MXRoomPowerLevels *powerLevels = [roomState powerLevels];
+                        NSInteger userPowerLevel = [powerLevels powerLevelOfUserWithUserID:self->mxSession.myUser.userId];
+                        if (powerLevels.redact)
+                        {
+                            if (userPowerLevel >= powerLevels.redact)
+                            {
+                                self.redactButton.enabled = YES;
+                            }
+                        }
+                        else if (userPowerLevel >= [powerLevels minimumPowerLevelForSendingEventAsMessage:kMXEventTypeStringRoomRedaction])
+                        {
+                            self.redactButton.enabled = YES;
+                        }
+                    }];
+                }
+            }
+        }
+        else
+        {
+            _textView.text = nil;
+        }
+        
+        // Hide potential activity indicator
+        [_activityIndicator stopAnimating];
+    }
+    
+    return self;
+}
+
+- (void)dealloc
+{
+    mxEvent = nil;
+    mxSession = nil;
+}
+
+#pragma mark - Actions
+
+- (IBAction)onButtonPressed:(id)sender
+{
+    if (sender == _redactButton)
+    {
+        MXRoom *mxRoom = [mxSession roomWithRoomId:mxEvent.roomId];
+        if (mxRoom)
+        {
+            [_activityIndicator startAnimating];
+            [mxRoom redactEvent:mxEvent.eventId reason:nil success:^{
+                
+                [self->_activityIndicator stopAnimating];
+                [self removeFromSuperview];
+                
+            } failure:^(NSError *error) {
+                
+                MXLogDebug(@"[MXKEventDetailsView] Redact event (%@) failed", self->mxEvent.eventId);
+                
+                // Notify MatrixKit user
+                NSString *myUserId = mxRoom.mxSession.myUser.userId;
+                [[NSNotificationCenter defaultCenter] postNotificationName:kMXKErrorNotification object:error userInfo:myUserId ? @{kMXKErrorUserIdKey: myUserId} : nil];
+                
+                [self->_activityIndicator stopAnimating];
+                
+            }];
+        }
+        
+    }
+    else if (sender == _closeButton)
+    {
+        [self removeFromSuperview];
+    }
+}
+
+@end