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// -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#import "CommandInterpreter.h"
#import "SlideShow.h"
#import "Base64.h"
#import "CommunicationManager.h"
@interface CommandInterpreter()
@end
@implementation CommandInterpreter
@synthesize mSlideShow = _mSlideShow;
- (BOOL) isSlideRunning {
return [self.mSlideShow size] > 0;
}
// Received a set of instructions from server.
- (void) parse:(NSArray*)command{
if ([command count] == 0) {
return;
}
NSString *instruction = [command objectAtIndex:0];
if([instruction isEqualToString:@"slideshow_started"]){
unsigned int slideLength = [[command objectAtIndex:1] unsignedIntValue];
unsigned int currentSlide = [[command objectAtIndex:2] unsignedIntValue];
[self.mSlideShow setLength:slideLength];
[self.mSlideShow setCurrentSlide:currentSlide];
[[NSNotificationCenter defaultCenter] postNotificationName:STATUS_CONNECTED_NOSLIDESHOW
object:nil];
[[NSNotificationCenter defaultCenter] postNotificationName:MSG_SLIDE_CHANGED object:self.mSlideShow.mCurrentSlide];
} else if ([instruction isEqualToString:@"slideshow_finished"]){
self.mSlideShow = [SlideShow init];
[[NSNotificationCenter defaultCenter] postNotificationName:STATUS_CONNECTED_NOSLIDESHOW object:nil];
} else {
if (self.mSlideShow == nil)
return;
if ([instruction isEqualToString:@"slide_updated"]) {
unsigned int newSlideNumber = [[command objectAtIndex:1] unsignedIntValue];
[self.mSlideShow setCurrentSlide:newSlideNumber];
[[NSNotificationCenter defaultCenter] postNotificationName:MSG_SLIDE_CHANGED object:nil];
} else if ([instruction isEqualToString:@"slide_preview"]){
unsigned int slideNumber = [[command objectAtIndex:1] unsignedIntValue];
NSString * imageData = [command objectAtIndex:2];
[Base64 initialize];
NSData* data = [Base64 decode:imageData];
UIImage* img = [UIImage imageWithData:data];
[self.mSlideShow putImage:img
AtIndex:slideNumber];
[[NSNotificationCenter defaultCenter] postNotificationName:MSG_SLIDE_PREVIEW object:[NSNumber numberWithUnsignedInt:slideNumber]];
} else if ([instruction isEqualToString:@"slide_notes"]){
unsigned int slideNumber = [[command objectAtIndex:1] unsignedIntValue];
NSString *notes;
for (int i = 2; i<command.count; ++i) {
[notes stringByAppendingString:[command objectAtIndex:i]];
}
[self.mSlideShow putNotes:notes
AtIndex:slideNumber];
[[NSNotificationCenter defaultCenter] postNotificationName:MSG_SLIDE_NOTES object: [NSNumber numberWithUnsignedInt:slideNumber]];
}
}
}
@end
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