William Bowling is sharing code with you
Bitbucket is a code hosting site. Unlimited public and private repositories. Free for small teams.
Don't show this again1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 | /*
* Adium is the legal property of its developers, whose names are listed in the copyright file included
* with this source distribution.
*
* This program is free software; you can redistribute it and/or modify it under the terms of the GNU
* General Public License as published by the Free Software Foundation; either version 2 of the License,
* or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
* Public License for more details.
*
* You should have received a copy of the GNU General Public License along with this program; if not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// $Id$
#import "AIContentController.h"
#import "AdiumTyping.h"
#import "AdiumFormatting.h"
#import "AdiumMessageEvents.h"
#import "AdiumContentFiltering.h"
#import <Adium/AIAccountControllerProtocol.h>
#import <Adium/AIChatControllerProtocol.h>
#import <Adium/AIContactControllerProtocol.h>
#import <Adium/AIInterfaceControllerProtocol.h>
#import <Adium/AIContactAlertsControllerProtocol.h>
#import <Adium/AIFileTransferControllerProtocol.h>
#import <Adium/AIAccount.h>
#import <Adium/AIChat.h>
#import <Adium/AIContentMessage.h>
#import <Adium/AIContentObject.h>
#import <Adium/AIContentNotification.h>
#import <Adium/AIContentEvent.h>
#import <Adium/AIHTMLDecoder.h>
#import <Adium/AIListContact.h>
#import <Adium/AIListGroup.h>
#import <Adium/AIListObject.h>
#import <Adium/AIMetaContact.h>
#import <Adium/ESFileTransfer.h>
#import <Adium/AITextAttachmentExtension.h>
#import <AIUtilities/AIArrayAdditions.h>
#import <AIUtilities/AIAttributedStringAdditions.h>
#import <AIUtilities/AIColorAdditions.h>
#import <AIUtilities/AIDictionaryAdditions.h>
#import <AIUtilities/AIFontAdditions.h>
#import <AIUtilities/AIMenuAdditions.h>
#import <AIUtilities/AIStringAdditions.h>
#import <AIUtilities/AITextAttachmentAdditions.h>
#import <AIUtilities/AITextAttributes.h>
#import <AIUtilities/AIImageAdditions.h>
@interface AIContentController ()
- (void)finishReceiveContentObject:(AIContentObject *)inObject;
- (void)finishSendContentObject:(AIContentObject *)inObject;
- (void)finishDisplayContentObject:(AIContentObject *)inObject;
- (void)displayContentObject:(AIContentObject *)inObject immediately:(BOOL)immediately;
- (BOOL)processAndSendContentObject:(AIContentObject *)inContentObject;
@end
/*!
* @class AIContentController
* @brief Controller to manage incoming and outgoing content and chats.
*
* This controller handles default formatting and text entry filters, which can respond as text is entered in a message
* window. It the center for content filtering, including registering/unregistering of content filters.
* It handles sending and receiving of content objects. It manages chat observers, which are objects notified as
* properties are set and removed on AIChat objects. It manages chats themselves, tracking open ones, closing
* them when needed, etc. Finally, it provides Events related to sending and receiving content, such as Message Received.
*/
@implementation AIContentController
/*!
* @brief Initialize the controller
*/
- (id)init
{
if ((self = [super init])) {
adiumTyping = [[AdiumTyping alloc] init];
adiumFormatting = [[AdiumFormatting alloc] init];
adiumContentFiltering = [[AdiumContentFiltering alloc] init];
adiumMessageEvents = [[AdiumMessageEvents alloc] init];
objectsBeingReceived = [[NSMutableSet alloc] init];
}
return self;
}
- (void)controllerDidLoad
{
[adiumFormatting controllerDidLoad];
[adiumMessageEvents controllerDidLoad];
}
/*!
* @brief Close the controller
*/
- (void)controllerWillClose
{
}
/*!
* @brief Deallocate
*/
- (void)dealloc
{
[objectsBeingReceived release]; objectsBeingReceived = nil;
[adiumTyping release]; adiumTyping = nil;
[adiumFormatting release]; adiumFormatting = nil;
[adiumContentFiltering release]; adiumContentFiltering = nil;
[adiumEncryptor release];
[super dealloc];
}
/*!
* @brief Set the encryptor
*
* NB: We must _always_ have an encryptor.
*/
- (void)setEncryptor:(id<AdiumMessageEncryptor>)inEncryptor
{
NSParameterAssert([inEncryptor conformsToProtocol:@protocol(AdiumMessageEncryptor)]);
[adiumEncryptor release];
adiumEncryptor = [inEncryptor retain];
}
#pragma mark Typing
/*!
* @brief User is currently changing the content in a chat
*
* This should be called by a text entry control like an NSTextView.
*
* @param chat The chat
* @param hasEnteredText YES if there are one or more characters typed into the text entry area
*/
- (void)userIsTypingContentForChat:(AIChat *)chat hasEnteredText:(BOOL)hasEnteredText {
[adiumTyping userIsTypingContentForChat:chat hasEnteredText:hasEnteredText];
}
#pragma mark Formatting
- (NSDictionary *)defaultFormattingAttributes {
return [adiumFormatting defaultFormattingAttributes];
}
#pragma mark Content Filtering
- (void)registerContentFilter:(id <AIContentFilter>)inFilter
ofType:(AIFilterType)type
direction:(AIFilterDirection)direction {
[adiumContentFiltering registerContentFilter:inFilter ofType:type direction:direction];
}
- (void)registerDelayedContentFilter:(id <AIDelayedContentFilter>)inFilter
ofType:(AIFilterType)type
direction:(AIFilterDirection)direction {
[adiumContentFiltering registerDelayedContentFilter:inFilter ofType:type direction:direction];
}
- (void)registerHTMLContentFilter:(id <AIHTMLContentFilter>)inFilter
direction:(AIFilterDirection)direction {
[adiumContentFiltering registerHTMLContentFilter:inFilter
direction:direction];
}
- (void)unregisterContentFilter:(id <AIContentFilter>)inFilter {
[adiumContentFiltering unregisterContentFilter:inFilter];
}
- (void)unregisterDelayedContentFilter:(id <AIDelayedContentFilter>)inFilter {
[adiumContentFiltering unregisterDelayedContentFilter:inFilter];
}
- (void)unregisterHTMLContentFilter:(id <AIHTMLContentFilter>)inFilter {
[adiumContentFiltering unregisterHTMLContentFilter:inFilter];
}
- (void)registerFilterStringWhichRequiresPolling:(NSString *)inPollString {
[adiumContentFiltering registerFilterStringWhichRequiresPolling:inPollString];
}
- (BOOL)shouldPollToUpdateString:(NSString *)inString {
return [adiumContentFiltering shouldPollToUpdateString:inString];
}
- (NSAttributedString *)filterAttributedString:(NSAttributedString *)attributedString
usingFilterType:(AIFilterType)type
direction:(AIFilterDirection)direction
context:(id)context {
return [adiumContentFiltering filterAttributedString:attributedString
usingFilterType:type
direction:direction
context:context];
}
- (void)filterAttributedString:(NSAttributedString *)attributedString
usingFilterType:(AIFilterType)type
direction:(AIFilterDirection)direction
filterContext:(id)filterContext
notifyingTarget:(id)target
selector:(SEL)selector
context:(id)context {
[adiumContentFiltering filterAttributedString:attributedString
usingFilterType:type
direction:direction
filterContext:filterContext
notifyingTarget:target
selector:selector
context:context];
}
- (NSString *)filterHTMLString:(NSString *)htmlString
direction:(AIFilterDirection)direction
content:(AIContentObject *)content
{
return [adiumContentFiltering filterHTMLString:htmlString
direction:direction
content:(AIContentObject*)content];
}
- (void)delayedFilterDidFinish:(NSAttributedString *)attributedString uniqueID:(unsigned long long)uniqueID
{
[adiumContentFiltering delayedFilterDidFinish:attributedString
uniqueID:uniqueID];
}
//Messaging ------------------------------------------------------------------------------------------------------------
#pragma mark Messaging
//Receiving step 1: Add an incoming content object - entry point
- (void)receiveContentObject:(AIContentObject *)inObject
{
if (inObject) {
AIChat *chat = inObject.chat;
//Only proceed if the contact is not ignored or blocked
if (!inObject.source || (![chat isListContactIgnored:[inObject source]] && ![[inObject source] isBlocked])) {
//Notify: Will Receive Content
if ([inObject trackContent]) {
[[NSNotificationCenter defaultCenter] postNotificationName:Content_WillReceiveContent
object:chat
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:inObject,@"Object",nil]];
}
//Run the object through our incoming content filters
if ([inObject filterContent]) {
//Track that we are in the process of receiving this object
[objectsBeingReceived addObject:inObject];
[self filterAttributedString:[inObject message]
usingFilterType:AIFilterContent
direction:AIFilterIncoming
filterContext:inObject
notifyingTarget:self
selector:@selector(didFilterAttributedString:receivingContext:)
context:inObject];
} else {
[self finishReceiveContentObject:inObject];
}
} else {
AILogWithSignature(@"%@ Message from blocked/ignored message: %@ %@", inObject.destination, inObject.source, inObject.message);
}
}
}
//Receiving step 2: filtering callback
- (void)didFilterAttributedString:(NSAttributedString *)filteredMessage receivingContext:(AIContentObject *)inObject
{
[inObject setMessage:filteredMessage];
[self finishReceiveContentObject:inObject];
}
//Receiving step 3: Display the content
- (void)finishReceiveContentObject:(AIContentObject *)inContent
{
//Display the content
[self displayContentObject:inContent immediately:NO];
}
//Sending step 1: Entry point for any method in Adium which sends content
/*!
* @brief Send a content object
*
* Sending step 1: Public method to send a content object.
*
* This method checks to be sure that messages are sent by accounts in the order they are sent by the user;
* this can only be problematic when a delayedFilter is involved, leading to the user sending more messages before
* the first finished sending.
*/
- (BOOL)sendContentObject:(AIContentObject *)inObject
{
//Only proceed if the chat allows it; if it doesn't, it will handle calling this method again when it is ready
if ([inObject.chat shouldBeginSendingContentObject:inObject]) {
//Run the object through our outgoing content filters
if ([inObject filterContent]) {
//Track that we are in the process of send this object
[objectsBeingReceived addObject:inObject];
[self filterAttributedString:[inObject message]
usingFilterType:AIFilterContent
direction:AIFilterOutgoing
filterContext:inObject
notifyingTarget:self
selector:@selector(didFilterAttributedString:contentSendingContext:)
context:inObject];
} else {
[self finishSendContentObject:inObject];
}
}
// XXX
return YES;
}
//Sending step 2: Sending filter callback
-(void)didFilterAttributedString:(NSAttributedString *)filteredString contentSendingContext:(AIContentObject *)inObject
{
[inObject setMessage:filteredString];
//Special outgoing content filter for AIM away message bouncing. Used to filter %n,%t,...
if ([inObject isKindOfClass:[AIContentMessage class]] && [(AIContentMessage *)inObject isAutoreply]) {
[self filterAttributedString:[inObject message]
usingFilterType:AIFilterAutoReplyContent
direction:AIFilterOutgoing
filterContext:inObject
notifyingTarget:self
selector:@selector(didFilterAttributedString:autoreplySendingContext:)
context:inObject];
} else {
[self finishSendContentObject:inObject];
}
}
//Sending step 3, applicable only when sending an autreply: Filter callback
-(void)didFilterAttributedString:(NSAttributedString *)filteredString autoreplySendingContext:(AIContentObject *)inObject
{
[inObject setMessage:filteredString];
[self finishSendContentObject:inObject];
}
//Sending step 4: Post notifications and ask the account to actually send the content.
- (void)finishSendContentObject:(AIContentObject *)inObject
{
AIChat *chat = inObject.chat;
//Notify: Will Send Content
if ([inObject trackContent]) {
[[NSNotificationCenter defaultCenter] postNotificationName:Content_WillSendContent
object:chat
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:inObject,@"Object",nil]];
}
//Send the object
if ([self processAndSendContentObject:inObject]) {
if ([inObject displayContent]) {
//Add the object
[self displayContentObject:inObject immediately:NO];
} else {
//We are no longer in the process of receiving this object
[objectsBeingReceived removeObject:inObject];
}
if ([inObject trackContent]) {
AIListObject *listObject = chat.listObject;
if(chat.isGroupChat) {
listObject = (AIListObject *)[adium.contactController existingBookmarkForChat:chat];
}
//Did send content
[adium.contactAlertsController generateEvent:[chat isGroupChat] ? CONTENT_MESSAGE_SENT_GROUP : CONTENT_MESSAGE_SENT
forListObject:listObject
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:chat,@"AIChat",inObject,@"AIContentObject",nil]
previouslyPerformedActionIDs:nil];
[chat setHasSentOrReceivedContent:YES];
}
} else {
//We are no longer in the process of receiving this object
[objectsBeingReceived removeObject:inObject];
NSString *message = [NSString stringWithFormat:AILocalizedString(@"Could not send from %@ to %@",nil),
[[inObject source] formattedUID],[[inObject destination] formattedUID]];
[self displayEvent:message
ofType:@"chat-error"
inChat:chat];
}
//Let the chat know we finished sending
[chat finishedSendingContentObject:inObject];
}
/*!
* @brief Display content, optionally using content filters
*
* This should only be used for content which is not being sent or received but only displayed, such as message history. If you
*
* The ability to force filtering to be completed immediately exists for message history, which needs to put its display
* in before the first message; otherwise, the use of delayed filtering would mean that message history showed up after the first message.
*
* @param inObject The object to display
* @param useContentFilters Should filters be used?
* @param immediately If YES, only immediate filters will be used, and inObject will have its message set before we return.
* If NO, immediate and delayed filters will be used, and inObject will be filtered over the course of some number of future run loops.
*/
- (void)displayContentObject:(AIContentObject *)inObject usingContentFilters:(BOOL)useContentFilters immediately:(BOOL)immediately
{
if (useContentFilters) {
if (immediately) {
//Filter in the main thread, set the message, and continue
[inObject setMessage:[self filterAttributedString:[inObject message]
usingFilterType:AIFilterContent
direction:([inObject isOutgoing] ? AIFilterOutgoing : AIFilterIncoming)
context:inObject]];
[self displayContentObject:inObject immediately:YES];
} else {
//Filter in the filter thread
[self filterAttributedString:[inObject message]
usingFilterType:AIFilterContent
direction:([inObject isOutgoing] ? AIFilterOutgoing : AIFilterIncoming)
filterContext:inObject
notifyingTarget:self
selector:@selector(didFilterAttributedString:contentFilterDisplayContext:)
context:inObject];
}
} else {
//Just continue
[self displayContentObject:inObject immediately:immediately];
}
}
- (void)didFilterAttributedString:(NSAttributedString *)filteredString contentFilterDisplayContext:(AIContentObject *)inObject
{
[inObject setMessage:filteredString];
//Continue
[self displayContentObject:inObject immediately:NO];
}
//Display a content object
//Add content to the message view. Doesn't do any sending or receiving, just adds the content.
- (void)displayContentObject:(AIContentObject *)inObject immediately:(BOOL)immediately
{
//Filter the content object
if ([inObject filterContent]) {
BOOL message = ([inObject isKindOfClass:[AIContentMessage class]] && ![(AIContentMessage *)inObject isAutoreply]);
AIFilterType filterType = (message ? AIFilterMessageDisplay : AIFilterDisplay);
AIFilterDirection direction = ([inObject isOutgoing] ? AIFilterOutgoing : AIFilterIncoming);
if (immediately) {
//Set it after filtering in the main thread, then display it
[inObject setMessage:[self filterAttributedString:[inObject message]
usingFilterType:filterType
direction:direction
context:inObject]];
[self finishDisplayContentObject:inObject];
} else {
//Filter in the filtering thread
[self filterAttributedString:[inObject message]
usingFilterType:filterType
direction:direction
filterContext:inObject
notifyingTarget:self
selector:@selector(didFilterAttributedString:displayContext:)
context:inObject];
}
} else {
[self finishDisplayContentObject:inObject];
}
}
- (void)didFilterAttributedString:(NSAttributedString *)filteredString displayContext:(AIContentObject *)inObject
{
[inObject setMessage:filteredString];
[self finishDisplayContentObject:inObject];
}
- (void)finishDisplayContentObject:(AIContentObject *)inObject
{
//Check if the object should display
if ([inObject displayContent] && ([[inObject message] length] > 0)) {
AIChat *chat = inObject.chat;
NSDictionary *userInfo;
BOOL contentReceived, shouldPostContentReceivedEvents;
//If the chat of the content object has been cleared, we can't do anything with it, so simply return
if (!chat) return;
contentReceived = (([inObject isMemberOfClass:[AIContentMessage class]]) &&
(![inObject isOutgoing]));
shouldPostContentReceivedEvents = contentReceived && [inObject trackContent];
if (![chat isOpen]) {
/* Tell the interface to open the chat
* For incoming messages, we don't open the chat until we're sure that new content is being received.
*/
[adium.interfaceController openChat:chat];
}
userInfo = [NSDictionary dictionaryWithObjectsAndKeys:chat, @"AIChat", inObject, @"AIContentObject", nil];
//Notify: Content Object Added
[[NSNotificationCenter defaultCenter] postNotificationName:Content_ContentObjectAdded
object:chat
userInfo:userInfo];
if (shouldPostContentReceivedEvents) {
NSSet *previouslyPerformedActionIDs = nil;
AIListObject *listObject = chat.listObject;
if(chat.isGroupChat) {
listObject = (AIListObject *)[adium.contactController existingBookmarkForChat:chat];
if ([inObject.displayClasses containsObject:@"mention"]) {
previouslyPerformedActionIDs = [adium.contactAlertsController generateEvent:CONTENT_GROUP_CHAT_MENTION
forListObject:listObject
userInfo:userInfo
previouslyPerformedActionIDs:previouslyPerformedActionIDs];
}
}
if (![chat hasSentOrReceivedContent]) {
//If the chat wasn't open before, generate CONTENT_MESSAGE_RECEIVED_FIRST
if (!chat.isGroupChat) {
previouslyPerformedActionIDs = [adium.contactAlertsController generateEvent:CONTENT_MESSAGE_RECEIVED_FIRST
forListObject:listObject
userInfo:userInfo
previouslyPerformedActionIDs:previouslyPerformedActionIDs];
}
[chat setHasSentOrReceivedContent:YES];
}
if (chat != adium.interfaceController.activeChat) {
//If the chat is not currently active, generate CONTENT_MESSAGE_RECEIVED_BACKGROUND
previouslyPerformedActionIDs = [adium.contactAlertsController generateEvent:(chat.isGroupChat ? CONTENT_MESSAGE_RECEIVED_BACKGROUND_GROUP : CONTENT_MESSAGE_RECEIVED_BACKGROUND)
forListObject:listObject
userInfo:userInfo
previouslyPerformedActionIDs:previouslyPerformedActionIDs];
}
[adium.contactAlertsController generateEvent:(chat.isGroupChat ? CONTENT_MESSAGE_RECEIVED_GROUP : CONTENT_MESSAGE_RECEIVED)
forListObject:listObject
userInfo:userInfo
previouslyPerformedActionIDs:previouslyPerformedActionIDs];
}
}
//We are no longer in the process of receiving this object
[objectsBeingReceived removeObject:inObject];
}
#pragma mark -
/*!
* @brief Send any NSTextAttachments embedded in inContentMessage's message
*
* This method will remove such attachments after requesting their files being sent.
*
* If the account supports sending images on this message's chat and a file is an image it will be left in the
* attributed string for processing later by AIHTMLDecoder.
*/
- (void)handleFileSendsForContentMessage:(AIContentMessage *)inContentMessage
{
if (!inContentMessage.destination ||
![inContentMessage.destination isKindOfClass:[AIListContact class]] ||
![inContentMessage.chat.account availableForSendingContentType:CONTENT_FILE_TRANSFER_TYPE
toContact:(AIListContact *)inContentMessage.destination]) {
//Simply return if we can't do anything about file sends for this message.
return;
}
NSMutableAttributedString *newAttributedString = nil;
NSAttributedString *attributedMessage = inContentMessage.message;
NSUInteger length = attributedMessage.length;
if (length) {
NSRange searchRange = NSMakeRange(0,0);
NSAttributedString *currentAttributedString = attributedMessage;
while (searchRange.location < length) {
NSTextAttachment *textAttachment = [currentAttributedString attribute:NSAttachmentAttributeName
atIndex:searchRange.location
effectiveRange:&searchRange];
if (textAttachment) {
BOOL shouldSendAttachmentAsFile;
//Invariant within the loop, but most calls to handleFileSendsForContentMessage: don't get here at all
BOOL canSendImages = [(AIAccount *)[inContentMessage source] canSendImagesForChat:inContentMessage.chat];
if ([textAttachment isKindOfClass:[AITextAttachmentExtension class]]) {
AITextAttachmentExtension *textAttachmentExtension = (AITextAttachmentExtension *)textAttachment;
/* Send if:
* This attachment isn't just for display (i.e. isn't an emoticon) AND
* This chat can't send images, or it can but this attachment isn't an image
*/
shouldSendAttachmentAsFile = (![textAttachmentExtension shouldAlwaysSendAsText] &&
(!canSendImages || ![textAttachmentExtension attachesAnImage]));
} else {
shouldSendAttachmentAsFile = (!canSendImages || ![textAttachment wrapsImage]);
}
if (shouldSendAttachmentAsFile) {
if (!newAttributedString) {
newAttributedString = [[attributedMessage mutableCopy] autorelease];
currentAttributedString = newAttributedString;
}
NSString *path;
if ([textAttachment isKindOfClass:[AITextAttachmentExtension class]]) {
path = [(AITextAttachmentExtension *)textAttachment path];
AILog(@"Sending text attachment %@ which has path %@",textAttachment,path);
} else {
//Write out the file so we can send it if we have a standard NSTextAttachment to send
NSFileWrapper *fileWrapper = [textAttachment fileWrapper];
//Desired folder: /private/tmp/$UID/`uuidgen`
NSString *tmpDir = [NSTemporaryDirectory() stringByAppendingPathComponent:[[NSProcessInfo processInfo] globallyUniqueString]];
NSString *filename = [fileWrapper preferredFilename];
if (!filename) filename = [NSString randomStringOfLength:5];
path = [tmpDir stringByAppendingPathComponent:filename];
if ([fileWrapper writeToFile:tmpDir atomically:YES updateFilenames:YES]) {
AILog(@"Wrote out the file to %@ for sending",path);
} else {
NSLog(@"Failed to write out the file to %@ for sending", path);
AILog(@"Failed to write out the file to %@ for sending", path);
//The transfer is not going to happen so clear path
path = nil;
}
}
if (path) {
[adium.fileTransferController sendFile:path
toListContact:(AIListContact *)inContentMessage.destination];
} else {
NSLog(@"-[AIContentController handleFileSendsForContentMessage:]: Warning: Failed to have a path for sending an inline file!");
AILog(@"-[AIContentController handleFileSendsForContentMessage:]: Warning: Failed to have a path for sending an inline file for content message %@!",
inContentMessage);
}
//Now remove the attachment
[newAttributedString removeAttribute:NSAttachmentAttributeName range:NSMakeRange(searchRange.location,
searchRange.length)];
[newAttributedString replaceCharactersInRange:searchRange withString:@""];
//Decrease length by the number of characters we replaced
length -= searchRange.length;
//And don't increase our location in the searchRange.location += searchRange.length below
searchRange.length = 0;
}
}
//Onward and upward
searchRange.location += searchRange.length;
}
}
//If any changes were made, update the AIContentMessage
if (newAttributedString) {
[inContentMessage setMessage:newAttributedString];
}
}
/*!
* @brief Handle sending a content object
*
* This method must return YES for the content to be displayed
*
* For a typing content object, the account is informed.
* For a message content object, the account is told to send the message; any imbedded file transfers will also be sent.
* For a file transfer content object, YES is always returned, as this is actually just for display purposes.
*/
- (BOOL)processAndSendContentObject:(AIContentObject *)inContentObject
{
AIAccount *sendingAccount = (AIAccount *)[inContentObject source];
BOOL success = YES;
if ([inContentObject isKindOfClass:[AIContentTyping class]]) {
/* Typing */
[sendingAccount sendTypingObject:(AIContentTyping *)inContentObject];
} else if ([inContentObject isKindOfClass:[AIContentMessage class]]) {
/* Sending a message */
AIContentMessage *contentMessage = (AIContentMessage *)inContentObject;
NSString *encodedOutgoingMessage;
//Before we send the message on to the account, we need to look for embedded files which should be sent as file transfers
[self handleFileSendsForContentMessage:contentMessage];
/* Let the account encode it as appropriate for sending. Note that we succeeded in sending if we have no length
* as that means that somewhere we meant to stop the send -- a file send, an encryption message, etc.
*/
if ([[contentMessage message] length]) {
encodedOutgoingMessage = [sendingAccount encodedAttributedStringForSendingContentMessage:contentMessage];
if (encodedOutgoingMessage && [encodedOutgoingMessage length]) {
[contentMessage setEncodedMessage:encodedOutgoingMessage];
[adiumEncryptor willSendContentMessage:contentMessage];
if (!contentMessage.sendContent)
success = YES;
else if ([contentMessage encodedMessage])
success = [sendingAccount sendMessageObject:contentMessage];
} else {
//If the account returns nil when encoding the attributed string, we shouldn't display it on-screen.
[contentMessage setDisplayContent:NO];
}
}
} else if ([inContentObject isKindOfClass:[ESFileTransfer class]]) {
success = YES;
} else if ([inContentObject isKindOfClass:[AIContentNotification class]]) {
success = [sendingAccount sendNotificationObject:(AIContentNotification *)inContentObject];
} else {
/* Eating a tasty sandwich */
success = NO;
}
if (!success) AILog(@"Failed to send %@ (sendingAccount %@)",inContentObject,sendingAccount);
return success;
}
/*!
* @brief Send a message as-specified without going through any filters or notifications
*/
- (void)sendRawMessage:(NSString *)inString toContact:(AIListContact *)inContact
{
AIAccount *account = inContact.account;
AIChat *chat;
AIContentMessage *contentMessage;
if (!(chat = [adium.chatController existingChatWithContact:inContact])) {
chat = [adium.chatController chatWithContact:inContact];
}
contentMessage = [AIContentMessage messageInChat:chat
withSource:account
destination:inContact
date:nil
message:nil
autoreply:NO];
[contentMessage setEncodedMessage:inString];
[account sendMessageObject:contentMessage];
}
/*!
* @brief Given an incoming message, decrypt it. It is likely not yet ready for display when returned, as it may still include HTML.
*/
- (NSString *)decryptedIncomingMessage:(NSString *)inString fromContact:(AIListContact *)inListContact onAccount:(AIAccount *)inAccount
{
return [adiumEncryptor decryptIncomingMessage:inString fromContact:inListContact onAccount:inAccount];
}
/*!
* @brief Given an incoming message, decrypt it if necessary then convert it to an NSAttributedString, processing HTML if possible
*/
- (NSAttributedString *)decodedIncomingMessage:(NSString *)inString fromContact:(AIListContact *)inListContact onAccount:(AIAccount *)inAccount
{
return [AIHTMLDecoder decodeHTML:[self decryptedIncomingMessage:inString
fromContact:inListContact
onAccount:inAccount]];
}
#pragma mark OTR
- (void)requestSecureOTRMessaging:(BOOL)inSecureMessaging inChat:(AIChat *)inChat
{
[adiumEncryptor requestSecureOTRMessaging:inSecureMessaging inChat:inChat];
}
- (void)promptToVerifyEncryptionIdentityInChat:(AIChat *)inChat
{
[adiumEncryptor promptToVerifyEncryptionIdentityInChat:inChat];
}
#pragma mark -
/*!
* @brief Is the passed chat currently receiving content?
*
* Note: This may be irrelevent if threaded filtering is removed.
*/
- (BOOL)chatIsReceivingContent:(AIChat *)inChat
{
for (AIContentObject *contentObject in objectsBeingReceived) {
if (contentObject.chat == inChat)
return YES;
}
return NO;
}
- (void)displayEvent:(NSString *)message ofType:(NSString *)type inChat:(AIChat *)inChat
{
AIContentEvent *content;
NSAttributedString *attributedMessage;
//Create our content object
attributedMessage = [[AIHTMLDecoder decoder] decodeHTML:message withDefaultAttributes:[self defaultFormattingAttributes]];
content = [AIContentEvent eventInChat:inChat
withSource:[inChat listObject]
destination:inChat.account
date:[NSDate date]
message:attributedMessage
withType:type];
//Add the object
[self receiveContentObject:content];
}
//Returns YES if the account/chat is available for sending content
- (BOOL)availableForSendingContentType:(NSString *)inType toContact:(AIListContact *)inContact onAccount:(AIAccount *)inAccount
{
return [inAccount availableForSendingContentType:inType toContact:inContact];
}
/*!
* @brief Generate a menu of encryption preference choices
*/
- (NSMenu *)encryptionMenuNotifyingTarget:(id)target withDefault:(BOOL)withDefault
{
NSMenu *encryptionMenu = [[NSMenu allocWithZone:[NSMenu zone]] init];
NSMenuItem *menuItem;
[encryptionMenu setTitle:ENCRYPTION_MENU_TITLE];
menuItem = [[NSMenuItem alloc] initWithTitle:AILocalizedString(@"Disable chat encryption",nil)
target:target
action:@selector(selectedEncryptionPreference:)
keyEquivalent:@""];
[menuItem setTag:EncryptedChat_Never];
[encryptionMenu addItem:menuItem];
[menuItem release];
menuItem = [[NSMenuItem alloc] initWithTitle:AILocalizedString(@"Encrypt chats as requested",nil)
target:target
action:@selector(selectedEncryptionPreference:)
keyEquivalent:@""];
[menuItem setTag:EncryptedChat_Manually];
[encryptionMenu addItem:menuItem];
[menuItem release];
menuItem = [[NSMenuItem alloc] initWithTitle:AILocalizedString(@"Encrypt chats automatically",nil)
target:target
action:@selector(selectedEncryptionPreference:)
keyEquivalent:@""];
[menuItem setTag:EncryptedChat_Automatically];
[encryptionMenu addItem:menuItem];
[menuItem release];
menuItem = [[NSMenuItem alloc] initWithTitle:AILocalizedString(@"Force encryption and refuse plaintext",nil)
target:target
action:@selector(selectedEncryptionPreference:)
keyEquivalent:@""];
[menuItem setTag:EncryptedChat_RejectUnencryptedMessages];
[encryptionMenu addItem:menuItem];
[menuItem release];
if (withDefault) {
[encryptionMenu addItem:[NSMenuItem separatorItem]];
NSMenuItem *menuItem = [[NSMenuItem alloc] initWithTitle:AILocalizedString(@"Default",nil)
target:target
action:@selector(selectedEncryptionPreference:)
keyEquivalent:@""];
[menuItem setTag:EncryptedChat_Default];
[encryptionMenu addItem:menuItem];
[menuItem release];
}
return [encryptionMenu autorelease];
}
@end
|