mirror of
https://github.com/vector-im/element-ios.git
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556 lines
19 KiB
Objective-C
556 lines
19 KiB
Objective-C
/*
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Copyright 2015 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "MXRoom+Vector.h"
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#import "AvatarGenerator.h"
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#import <objc/runtime.h>
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@implementation MXRoom (Vector)
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#pragma mark - User power level
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- (BOOL)isModerator
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{
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// Check whether the user has enough power to rename the room or update the avatar
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MXRoomPowerLevels *powerLevels = [self.state powerLevels];
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NSInteger userPowerLevel = [powerLevels powerLevelOfUserWithUserID:self.mxSession.myUser.userId];
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return (userPowerLevel >= [powerLevels minimumPowerLevelForSendingEventAsStateEvent:kMXEventTypeStringRoomName]);
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}
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#pragma mark - Room avatar
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- (void)setRoomAvatarImageIn:(MXKImageView*)mxkImageView
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{
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NSString* roomAvatarUrl = self.state.avatar;
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// detect if it is a room with no more than 2 members (i.e. an alone or a 1:1 chat)
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if (!roomAvatarUrl)
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{
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NSString* myUserId = self.mxSession.myUser.userId;
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NSArray* members = self.state.members;
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if (members.count < 3)
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{
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// use the member avatar only it is an active member
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for (MXRoomMember *roomMember in members)
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{
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if ((MXMembershipJoin == roomMember.membership) && ((members.count == 1) || ![roomMember.userId isEqualToString:myUserId]))
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{
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roomAvatarUrl = roomMember.avatarUrl;
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break;
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}
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}
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}
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}
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UIImage* avatarImage = [AvatarGenerator generateRoomAvatar:self.state.roomId andDisplayName:self.vectorDisplayname];
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if (roomAvatarUrl)
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{
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mxkImageView.enableInMemoryCache = YES;
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[mxkImageView setImageURL:[self.mxSession.matrixRestClient urlOfContentThumbnail:roomAvatarUrl toFitViewSize:mxkImageView.frame.size withMethod:MXThumbnailingMethodCrop] withType:nil andImageOrientation:UIImageOrientationUp previewImage:avatarImage];
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}
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else
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{
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mxkImageView.image = avatarImage;
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}
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mxkImageView.contentMode = UIViewContentModeScaleAspectFill;
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}
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#pragma mark - Room display name
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- (NSString *)vectorDisplayname
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{
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// this algo is the one defined in
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// https://github.com/matrix-org/matrix-js-sdk/blob/develop/lib/models/room.js#L617
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// calculateRoomName(room, userId)
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MXRoomState* roomState = self.state;
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if (roomState.name.length > 0)
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{
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return roomState.name;
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}
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NSString *alias = roomState.canonicalAlias;
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if (!alias)
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{
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// For rooms where canonical alias is not defined, we use the 1st alias as a workaround
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NSArray *aliases = roomState.aliases;
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if (aliases.count)
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{
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alias = [aliases[0] copy];
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}
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}
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// check if there is non empty alias.
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if ([alias length] > 0)
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{
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return alias;
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}
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NSString* myUserId = self.mxSession.myUser.userId;
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NSArray* members = roomState.members;
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NSMutableArray* othersActiveMembers = [[NSMutableArray alloc] init];
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NSMutableArray* activeMembers = [[NSMutableArray alloc] init];
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for(MXRoomMember* member in members)
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{
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if (member.membership != MXMembershipLeave)
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{
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if (![member.userId isEqualToString:myUserId])
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{
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[othersActiveMembers addObject:member];
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}
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[activeMembers addObject:member];
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}
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}
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// sort the members by their creation (oldest first)
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othersActiveMembers = [[othersActiveMembers sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2) {
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uint64_t originServerTs1 = 0;
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uint64_t originServerTs2 = 0;
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MXRoomMember* member1 = (MXRoomMember*)obj1;
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MXRoomMember* member2 = (MXRoomMember*)obj2;
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if (member1.originalEvent)
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{
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originServerTs1 = member1.originalEvent.originServerTs;
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}
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if (member2.originalEvent)
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{
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originServerTs2 = member2.originalEvent.originServerTs;
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}
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if (originServerTs1 == originServerTs2)
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{
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return NSOrderedSame;
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}
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else
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{
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return originServerTs1 > originServerTs2 ? NSOrderedDescending : NSOrderedAscending;
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}
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}] mutableCopy];
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NSString* displayName = @"";
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if (othersActiveMembers.count == 0)
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{
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if (activeMembers.count == 1)
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{
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MXRoomMember* member = [activeMembers objectAtIndex:0];
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if (member.membership == MXMembershipInvite)
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{
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if (member.originalEvent.sender)
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{
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// extract who invited us to the room
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displayName = [NSString stringWithFormat:NSLocalizedStringFromTable(@"room_displayname_invite_from", @"Vector", nil), [roomState memberName:member.originalEvent.sender]];
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}
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else
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{
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displayName = NSLocalizedStringFromTable(@"room_displayname_room_invite", @"Vector", nil);
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}
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}
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}
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}
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else if (othersActiveMembers.count == 1)
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{
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MXRoomMember* member = [othersActiveMembers objectAtIndex:0];
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displayName = [roomState memberName:member.userId];
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}
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else if (othersActiveMembers.count == 2)
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{
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MXRoomMember* member1 = [othersActiveMembers objectAtIndex:0];
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MXRoomMember* member2 = [othersActiveMembers objectAtIndex:1];
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displayName = [NSString stringWithFormat:NSLocalizedStringFromTable(@"room_displayname_two_members", @"Vector", nil), [roomState memberName:member1.userId], [roomState memberName:member2.userId]];
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}
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else
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{
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MXRoomMember* member = [othersActiveMembers objectAtIndex:0];
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displayName = [NSString stringWithFormat:NSLocalizedStringFromTable(@"room_displayname_more_than_two_members", @"Vector", nil), [roomState memberName:member.userId], othersActiveMembers.count - 1];
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}
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return displayName;
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}
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#pragma mark - Room tags
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- (void)setRoomTag:(NSString*)tag completion:(void (^)())completion
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{
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NSString* oldTag = nil;
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if (self.accountData.tags && self.accountData.tags.count)
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{
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oldTag = [self.accountData.tags.allKeys objectAtIndex:0];
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}
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// support only kMXRoomTagFavourite or kMXRoomTagLowPriority tags by now
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if (![tag isEqualToString:kMXRoomTagFavourite] && ![tag isEqualToString:kMXRoomTagLowPriority])
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{
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tag = nil;
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}
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NSString* tagOrder = [self.mxSession tagOrderToBeAtIndex:0 from:NSNotFound withTag:tag];
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NSLog(@"[MXRoom+Vector] Update the room %@ tag from %@ to %@ with tag order %@", self.state.roomId, oldTag, tag, tagOrder);
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[self replaceTag:oldTag
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byTag:tag
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withOrder:tagOrder
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success: ^{
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if (completion)
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{
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completion();
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}
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} failure:^(NSError *error) {
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NSLog(@"[MXRoom+Vector] Failed to update the tag %@ of room (%@) failed: %@", tag, self.state.roomId, error);
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// Notify user
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[[NSNotificationCenter defaultCenter] postNotificationName:kMXKErrorNotification object:error];
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if (completion)
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{
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completion();
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}
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}];
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}
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#pragma mark - Room notification mode
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- (BOOL)isMute
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{
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MXPushRule* rule = [self getRoomPushRule];
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if (rule)
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{
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for (MXPushRuleAction *ruleAction in rule.actions)
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{
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if (ruleAction.actionType == MXPushRuleActionTypeDontNotify)
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{
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return rule.enabled;
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}
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}
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}
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return NO;
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}
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- (void)setMute:(BOOL)mute completion:(void (^)())completion
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{
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// Check the current notification mode
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if (self.isMute == mute)
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{
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if (completion)
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{
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completion();
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}
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return;
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}
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MXPushRule* rule = [self getRoomPushRule];
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if (!mute)
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{
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// let the other notification rules manage the pushes.
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[self removePushRule:rule completion:completion];
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}
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else
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{
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// User does not want to have push
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// Check if no rule is already defined.
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if (!rule)
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{
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// Add a new one
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[self addPushRuleToDisableNotification:completion];
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}
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else
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{
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// Check whether there is no pending update for this room
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if (self.notificationCenterDidUpdateObserver)
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{
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NSLog(@"[MXRoom+Vector] Request in progress: ignore push rule update");
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if (completion)
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{
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completion();
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}
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return;
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}
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// check if the user did not define one
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BOOL hasDontNotifyRule = NO;
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for (MXPushRuleAction *ruleAction in rule.actions)
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{
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if (ruleAction.actionType == MXPushRuleActionTypeDontNotify)
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{
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hasDontNotifyRule = YES;
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break;
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}
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}
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// if the user defined one, use it
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if (hasDontNotifyRule)
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{
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[self enablePushRule:rule completion:completion];
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}
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else
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{
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// If the user has defined a room rule, the rule is deleted before adding new one.
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[self removePushRule:rule completion:^{
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// Add new rule to disable notification
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[self addPushRuleToDisableNotification:completion];
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}];
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}
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}
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}
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}
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#pragma mark -
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- (MXPushRule*)getRoomPushRule
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{
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NSArray* rules = self.mxSession.notificationCenter.rules.global.room;
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// sanity checks
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if (rules)
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{
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for(MXPushRule* rule in rules)
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{
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// the rule id is the room Id
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// it is the server trick to avoid duplicated rule on the same room.
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if ([rule.ruleId isEqualToString:self.state.roomId])
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{
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return rule;
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}
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}
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}
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return nil;
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}
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- (void)addPushRuleToDisableNotification:(void (^)())completion
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{
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MXNotificationCenter* notificationCenter = self.mxSession.notificationCenter;
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// Define notificationCenter observers if a completion block is defined.
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if (completion)
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{
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__weak typeof(self) weakSelf = self;
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self.notificationCenterDidUpdateObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidUpdateRules object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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// Check whether the rule has been added
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BOOL isAdded = ([self getRoomPushRule] != nil);
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if (isAdded)
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{
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}
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}];
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self.notificationCenterDidFailObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidFailRulesUpdate object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}];
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}
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[notificationCenter addRoomRule:self.state.roomId
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notify:NO
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sound:NO
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highlight:NO];
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}
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- (void)removePushRule:(MXPushRule *)rule completion:(void (^)())completion
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{
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MXNotificationCenter* notificationCenter = self.mxSession.notificationCenter;
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// Define notificationCenter observers if a completion block is defined.
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if (completion)
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{
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__weak typeof(self) weakSelf = self;
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self.notificationCenterDidUpdateObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidUpdateRules object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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// Check whether the rule has been removed
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BOOL isRemoved = ([notificationCenter ruleById:rule.ruleId] == nil);
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if (isRemoved)
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{
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}
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}];
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self.notificationCenterDidFailObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidFailRulesUpdate object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}];
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}
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[notificationCenter removeRule:rule];
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}
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- (void)enablePushRule:(MXPushRule *)rule completion:(void (^)())completion
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{
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MXNotificationCenter* notificationCenter = self.mxSession.notificationCenter;
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// Define notificationCenter observers if a completion block is defined.
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if (completion)
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{
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__weak typeof(self) weakSelf = self;
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self.notificationCenterDidUpdateObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidUpdateRules object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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// No way to check whether this notification concerns the push rule. Consider the change is applied.
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}];
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self.notificationCenterDidFailObserver = [[NSNotificationCenter defaultCenter] addObserverForName:kMXNotificationCenterDidFailRulesUpdate object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *note) {
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__strong __typeof(weakSelf)strongSelf = weakSelf;
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if (strongSelf.notificationCenterDidUpdateObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidUpdateObserver];
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strongSelf.notificationCenterDidUpdateObserver = nil;
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}
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if (strongSelf.notificationCenterDidFailObserver)
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{
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[[NSNotificationCenter defaultCenter] removeObserver:strongSelf.notificationCenterDidFailObserver];
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strongSelf.notificationCenterDidFailObserver = nil;
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}
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completion();
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}];
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}
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[notificationCenter enableRule:rule isEnabled:YES];
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}
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- (void)setNotificationCenterDidFailObserver:(id)anObserver
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{
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objc_setAssociatedObject(self, @selector(notificationCenterDidFailObserver), anObserver, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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- (id)notificationCenterDidFailObserver
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{
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return objc_getAssociatedObject(self, @selector(notificationCenterDidFailObserver));
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}
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- (void)setNotificationCenterDidUpdateObserver:(id)anObserver
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{
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objc_setAssociatedObject(self, @selector(notificationCenterDidUpdateObserver), anObserver, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
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}
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- (id)notificationCenterDidUpdateObserver
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{
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return objc_getAssociatedObject(self, @selector(notificationCenterDidUpdateObserver));
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}
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@end
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