forked from mirrors/linphone-iphone
614 lines
24 KiB
Objective-C
614 lines
24 KiB
Objective-C
/* Utils.m
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*
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* Copyright (C) 2012 Belledonne Comunications, Grenoble, France
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#import <UIKit/UIView.h>
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#import <CommonCrypto/CommonDigest.h>
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#import <sys/utsname.h>
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#import <AssetsLibrary/ALAsset.h>
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#import "Utils.h"
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#import "linphone/linphonecore.h"
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#import "UILabel+Boldify.h"
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#import "FastAddressBook.h"
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#import "ColorSpaceUtilities.h"
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@implementation LinphoneLogger
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+ (void)log:(OrtpLogLevel)severity file:(const char *)file line:(int)line format:(NSString *)format, ... {
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va_list args;
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va_start(args, format);
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NSString *str = [[NSString alloc] initWithFormat:format arguments:args];
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const char *utf8str = [str cStringUsingEncoding:NSString.defaultCStringEncoding];
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int filesize = 20;
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const char *filename = strchr(file, '/') ? strrchr(file, '/') + 1 : file;
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if (severity <= ORTP_DEBUG) {
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// lol: ortp_debug(XXX) can be disabled at compile time, but ortp_log(ORTP_DEBUG, xxx) will always be valid even
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// not in debug build...
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ortp_debug("%*s:%3d - %s", filesize, filename + MAX((int)strlen(filename) - filesize, 0), line, utf8str);
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} else {
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ortp_log(severity, "%*s:%3d - %s", filesize, filename + MAX((int)strlen(filename) - filesize, 0), line,
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utf8str);
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}
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va_end(args);
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}
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#pragma mark - Logs Functions callbacks
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void linphone_iphone_log_handler(int lev, const char *fmt, va_list args) {
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NSString *format = [[NSString alloc] initWithUTF8String:fmt];
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NSString *formatedString = [[NSString alloc] initWithFormat:format arguments:args];
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char levelC = 'I';
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switch ((OrtpLogLevel)lev) {
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case ORTP_FATAL:
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levelC = 'F';
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break;
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case ORTP_ERROR:
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levelC = 'E';
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break;
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case ORTP_WARNING:
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levelC = 'W';
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break;
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case ORTP_MESSAGE:
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levelC = 'I';
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break;
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case ORTP_TRACE:
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case ORTP_DEBUG:
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levelC = 'D';
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break;
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case ORTP_LOGLEV_END:
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return;
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}
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// since \r are interpreted like \n, avoid double new lines when logging packets
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NSLog(@"%c %@", levelC, [formatedString stringByReplacingOccurrencesOfString:@"\r\n" withString:@"\n"]);
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}
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@end
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@implementation LinphoneUtils
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+ (BOOL)hasSelfAvatar {
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return [NSURL URLWithString:[LinphoneManager.instance lpConfigStringForKey:@"avatar"]] != nil;
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}
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+ (UIImage *)selfAvatar {
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NSURL *url = [NSURL URLWithString:[LinphoneManager.instance lpConfigStringForKey:@"avatar"]];
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__block UIImage *ret = nil;
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if (url) {
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__block NSConditionLock *photoLock = [[NSConditionLock alloc] initWithCondition:1];
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// load avatar synchronously so that we can return UIIMage* directly - since we are
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// only using thumbnail, it must be pretty fast to fetch even without cache.
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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[LinphoneManager.instance.photoLibrary assetForURL:url
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resultBlock:^(ALAsset *asset) {
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ret = [[UIImage alloc] initWithCGImage:[asset thumbnail]];
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[photoLock lock];
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[photoLock unlockWithCondition:0];
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}
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failureBlock:^(NSError *error) {
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LOGE(@"Can't read avatar");
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[photoLock lock];
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[photoLock unlockWithCondition:0];
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}];
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});
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[photoLock lockWhenCondition:0];
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[photoLock unlock];
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}
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if (!ret) {
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ret = [UIImage imageNamed:@"avatar.png"];
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}
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return ret;
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}
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+ (NSString *)durationToString:(int)duration {
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NSMutableString *result = [[NSMutableString alloc] init];
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if (duration / 3600 > 0) {
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[result appendString:[NSString stringWithFormat:@"%02i:", duration / 3600]];
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duration = duration % 3600;
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}
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return [result stringByAppendingString:[NSString stringWithFormat:@"%02i:%02i", (duration / 60), (duration % 60)]];
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}
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+ (NSString *)timeToString:(time_t)time withFormat:(LinphoneDateFormat)format {
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NSString *formatstr;
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NSDate *todayDate = [[NSDate alloc] init];
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NSDate *messageDate = (time == 0) ? todayDate : [NSDate dateWithTimeIntervalSince1970:time];
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NSDateComponents *todayComponents =
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[[NSCalendar currentCalendar] components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
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fromDate:todayDate];
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NSDateComponents *dateComponents =
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[[NSCalendar currentCalendar] components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear
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fromDate:messageDate];
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BOOL sameYear = (todayComponents.year == dateComponents.year);
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BOOL sameMonth = (sameYear && (todayComponents.month == dateComponents.month));
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BOOL sameDay = (sameMonth && (todayComponents.day == dateComponents.day));
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switch (format) {
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case LinphoneDateHistoryList:
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if (sameYear) {
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formatstr = NSLocalizedString(@"EEE dd MMMM",
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@"Date formatting in History List, for current year (also see "
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@"http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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} else {
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formatstr = NSLocalizedString(@"EEE dd MMMM yyyy",
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@"Date formatting in History List, for previous years (also see "
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@"http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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}
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break;
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case LinphoneDateHistoryDetails:
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formatstr = NSLocalizedString(@"EEE dd MMM 'at' HH'h'mm", @"Date formatting in History Details (also see "
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@"http://cybersam.com/ios-dev/"
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@"quick-guide-to-ios-dateformatting)");
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break;
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case LinphoneDateChatList:
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if (sameDay) {
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formatstr = NSLocalizedString(
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@"HH:mm", @"Date formatting in Chat List and Conversation bubbles, for current day (also see "
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@"http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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} else {
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formatstr =
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NSLocalizedString(@"MM/dd", @"Date formatting in Chat List, for all but current day (also see "
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@"http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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}
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break;
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case LinphoneDateChatBubble:
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if (sameDay) {
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formatstr = NSLocalizedString(
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@"HH:mm", @"Date formatting in Chat List and Conversation bubbles, for current day (also see "
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@"http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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} else {
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formatstr = NSLocalizedString(@"MM/dd - HH:mm",
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@"Date formatting in Conversation bubbles, for all but current day (also "
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@"see http://cybersam.com/ios-dev/quick-guide-to-ios-dateformatting)");
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}
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break;
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}
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NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
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[dateFormatter setDateFormat:formatstr];
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return [dateFormatter stringFromDate:messageDate];
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}
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+ (BOOL)findAndResignFirstResponder:(UIView *)view {
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if (view.isFirstResponder) {
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[view resignFirstResponder];
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return YES;
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}
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for (UIView *subView in view.subviews) {
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if ([LinphoneUtils findAndResignFirstResponder:subView])
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return YES;
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}
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return NO;
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}
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+ (void)adjustFontSize:(UIView *)view mult:(float)mult {
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if ([view isKindOfClass:[UILabel class]]) {
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UILabel *label = (UILabel *)view;
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UIFont *font = [label font];
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[label setFont:[UIFont fontWithName:font.fontName size:font.pointSize * mult]];
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} else if ([view isKindOfClass:[UITextField class]]) {
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UITextField *label = (UITextField *)view;
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UIFont *font = [label font];
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[label setFont:[UIFont fontWithName:font.fontName size:font.pointSize * mult]];
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} else if ([view isKindOfClass:[UIButton class]]) {
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UIButton *button = (UIButton *)view;
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UIFont *font = button.titleLabel.font;
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[button.titleLabel setFont:[UIFont fontWithName:font.fontName size:font.pointSize * mult]];
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} else {
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for (UIView *subView in [view subviews]) {
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[LinphoneUtils adjustFontSize:subView mult:mult];
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}
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}
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}
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+ (void)buttonFixStates:(UIButton *)button {
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// Interface builder lack fixes
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[button setTitle:[button titleForState:UIControlStateSelected]
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forState:(UIControlStateHighlighted | UIControlStateSelected)];
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[button setTitleColor:[button titleColorForState:UIControlStateHighlighted]
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forState:(UIControlStateHighlighted | UIControlStateSelected)];
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[button setTitle:[button titleForState:UIControlStateSelected]
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forState:(UIControlStateDisabled | UIControlStateSelected)];
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[button setTitleColor:[button titleColorForState:UIControlStateDisabled]
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forState:(UIControlStateDisabled | UIControlStateSelected)];
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}
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+ (void)buttonMultiViewAddAttributes:(NSMutableDictionary *)attributes button:(UIButton *)button {
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[LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateNormal] key:@"title-normal"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleForState:UIControlStateHighlighted]
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key:@"title-highlighted"];
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[LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateDisabled] key:@"title-disabled"];
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[LinphoneUtils addDictEntry:attributes item:[button titleForState:UIControlStateSelected] key:@"title-selected"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleForState:UIControlStateDisabled | UIControlStateHighlighted]
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key:@"title-disabled-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleForState:UIControlStateSelected | UIControlStateHighlighted]
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key:@"title-selected-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleForState:UIControlStateSelected | UIControlStateDisabled]
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key:@"title-selected-disabled"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateNormal]
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key:@"title-color-normal"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateHighlighted]
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key:@"title-color-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateDisabled]
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key:@"title-color-disabled"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateSelected]
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key:@"title-color-selected"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateDisabled | UIControlStateHighlighted]
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key:@"title-color-disabled-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateSelected | UIControlStateHighlighted]
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key:@"title-color-selected-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button titleColorForState:UIControlStateSelected | UIControlStateDisabled]
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key:@"title-color-selected-disabled"];
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[LinphoneUtils addDictEntry:attributes item:NSStringFromUIEdgeInsets([button titleEdgeInsets]) key:@"title-edge"];
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[LinphoneUtils addDictEntry:attributes
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item:NSStringFromUIEdgeInsets([button contentEdgeInsets])
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key:@"content-edge"];
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[LinphoneUtils addDictEntry:attributes item:NSStringFromUIEdgeInsets([button imageEdgeInsets]) key:@"image-edge"];
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[LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateNormal] key:@"image-normal"];
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[LinphoneUtils addDictEntry:attributes
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item:[button imageForState:UIControlStateHighlighted]
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key:@"image-highlighted"];
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[LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateDisabled] key:@"image-disabled"];
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[LinphoneUtils addDictEntry:attributes item:[button imageForState:UIControlStateSelected] key:@"image-selected"];
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[LinphoneUtils addDictEntry:attributes
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item:[button imageForState:UIControlStateDisabled | UIControlStateHighlighted]
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key:@"image-disabled-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button imageForState:UIControlStateSelected | UIControlStateHighlighted]
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key:@"image-selected-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button imageForState:UIControlStateSelected | UIControlStateDisabled]
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key:@"image-selected-disabled"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateNormal]
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key:@"background-normal"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateHighlighted]
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key:@"background-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateDisabled]
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key:@"background-disabled"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateSelected]
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key:@"background-selected"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateDisabled | UIControlStateHighlighted]
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key:@"background-disabled-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateSelected | UIControlStateHighlighted]
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key:@"background-selected-highlighted"];
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[LinphoneUtils addDictEntry:attributes
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item:[button backgroundImageForState:UIControlStateSelected | UIControlStateDisabled]
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key:@"background-selected-disabled"];
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}
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+ (void)buttonMultiViewApplyAttributes:(NSDictionary *)attributes button:(UIButton *)button {
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-normal"] forState:UIControlStateNormal];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-highlighted"]
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forState:UIControlStateHighlighted];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-disabled"] forState:UIControlStateDisabled];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected"] forState:UIControlStateSelected];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-disabled-highlighted"]
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forState:UIControlStateDisabled | UIControlStateHighlighted];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected-highlighted"]
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forState:UIControlStateSelected | UIControlStateHighlighted];
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[button setTitle:[LinphoneUtils getDictEntry:attributes key:@"title-selected-disabled"]
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forState:UIControlStateSelected | UIControlStateDisabled];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-normal"]
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forState:UIControlStateNormal];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-highlighted"]
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forState:UIControlStateHighlighted];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-disabled"]
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forState:UIControlStateDisabled];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected"]
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forState:UIControlStateSelected];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-disabled-highlighted"]
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forState:UIControlStateDisabled | UIControlStateHighlighted];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected-highlighted"]
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forState:UIControlStateSelected | UIControlStateHighlighted];
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[button setTitleColor:[LinphoneUtils getDictEntry:attributes key:@"title-color-selected-disabled"]
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forState:UIControlStateSelected | UIControlStateDisabled];
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[button setTitleEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"title-edge"])];
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[button setContentEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"content-edge"])];
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[button setImageEdgeInsets:UIEdgeInsetsFromString([LinphoneUtils getDictEntry:attributes key:@"image-edge"])];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-normal"] forState:UIControlStateNormal];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-highlighted"]
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forState:UIControlStateHighlighted];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-disabled"] forState:UIControlStateDisabled];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected"] forState:UIControlStateSelected];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-disabled-highlighted"]
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forState:UIControlStateDisabled | UIControlStateHighlighted];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected-highlighted"]
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forState:UIControlStateSelected | UIControlStateHighlighted];
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[button setImage:[LinphoneUtils getDictEntry:attributes key:@"image-selected-disabled"]
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forState:UIControlStateSelected | UIControlStateDisabled];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-normal"]
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forState:UIControlStateNormal];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-highlighted"]
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forState:UIControlStateHighlighted];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-disabled"]
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forState:UIControlStateDisabled];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected"]
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forState:UIControlStateSelected];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-disabled-highlighted"]
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forState:UIControlStateDisabled | UIControlStateHighlighted];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected-highlighted"]
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forState:UIControlStateSelected | UIControlStateHighlighted];
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[button setBackgroundImage:[LinphoneUtils getDictEntry:attributes key:@"background-selected-disabled"]
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forState:UIControlStateSelected | UIControlStateDisabled];
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}
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+ (void)addDictEntry:(NSMutableDictionary *)dict item:(id)item key:(id)key {
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if (item != nil && key != nil) {
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[dict setObject:item forKey:key];
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}
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}
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+ (id)getDictEntry:(NSDictionary *)dict key:(id)key {
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if (key != nil) {
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return [dict objectForKey:key];
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}
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return nil;
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}
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+ (NSString *)deviceName {
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struct utsname systemInfo;
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uname(&systemInfo);
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return [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
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}
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@end
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@implementation NSNumber (HumanReadableSize)
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- (NSString *)toHumanReadableSize {
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float floatSize = [self floatValue];
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if (floatSize < 1023)
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return ([NSString stringWithFormat:@"%1.0f bytes", floatSize]);
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floatSize = floatSize / 1024;
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if (floatSize < 1023)
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return ([NSString stringWithFormat:@"%1.1f KB", floatSize]);
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floatSize = floatSize / 1024;
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if (floatSize < 1023)
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return ([NSString stringWithFormat:@"%1.1f MB", floatSize]);
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floatSize = floatSize / 1024;
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return ([NSString stringWithFormat:@"%1.1f GB", floatSize]);
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}
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@end
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@implementation NSString (md5)
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- (NSString *)md5 {
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const char *ptr = [self UTF8String];
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unsigned char md5Buffer[CC_MD5_DIGEST_LENGTH];
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CC_MD5(ptr, (unsigned int)strlen(ptr), md5Buffer);
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NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
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for (int i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {
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[output appendFormat:@"%02x", md5Buffer[i]];
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}
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return output;
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}
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@end
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@implementation ContactDisplay
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|
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+ (void)setDisplayNameLabel:(UILabel *)label forContact:(ABRecordRef)contact {
|
|
label.text = [FastAddressBook displayNameForContact:contact];
|
|
#if 0
|
|
NSString *lLastName = CFBridgingRelease(ABRecordCopyValue(contact, kABPersonLastNameProperty));
|
|
NSString *lLocalizedLastName = [FastAddressBook localizedLabel:lLastName];
|
|
if (lLocalizedLastName) {
|
|
[label boldSubstring:lLocalizedLastName];
|
|
}
|
|
#endif
|
|
}
|
|
|
|
+ (void)setDisplayNameLabel:(UILabel *)label forAddress:(const LinphoneAddress *)addr {
|
|
const LinphoneFriend *contact = [FastAddressBook getContactWithAddress:addr];
|
|
if (contact) {
|
|
[ContactDisplay setDisplayNameLabel:label forContact:contact];
|
|
} else {
|
|
label.text = [FastAddressBook displayNameForAddress:addr];
|
|
}
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation UIImage (squareCrop)
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|
|
|
- (UIImage *)squareCrop {
|
|
// This calculates the crop area.
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|
|
|
size_t originalWidth = CGImageGetWidth(self.CGImage);
|
|
size_t originalHeight = CGImageGetHeight(self.CGImage);
|
|
|
|
size_t edge = MIN(originalWidth, originalHeight);
|
|
|
|
float posX = (originalWidth - edge) / 2.0f;
|
|
float posY = (originalHeight - edge) / 2.0f;
|
|
|
|
CGRect rect = CGRectMake(posX, posY, edge, edge);
|
|
|
|
// Create bitmap image from original image data,
|
|
// using rectangle to specify desired crop area
|
|
CGImageRef imageRef = CGImageCreateWithImageInRect([self CGImage], rect);
|
|
UIImage *img = [UIImage imageWithCGImage:imageRef];
|
|
CGImageRelease(imageRef);
|
|
|
|
return img; /*
|
|
UIImage *ret = nil;
|
|
|
|
|
|
|
|
CGRect cropSquare = CGRectMake(posX, posY, edge, edge);
|
|
|
|
// CGImageRef imageRef = CGImageCreateWithImageInRect([self CGImage], cropSquare);
|
|
// ret = [UIImage imageWithCGImage:imageRef scale:self.scale orientation:self.imageOrientation];
|
|
//
|
|
// CGImageRelease(imageRef);
|
|
|
|
CGImageRef imageRef = CGImageCreateWithImageInRect(self.CGImage, cropSquare);
|
|
ret = [UIImage imageWithCGImage:imageRef scale:self.scale orientation:self.imageOrientation];
|
|
CGImageRelease(imageRef);
|
|
|
|
|
|
return ret;*/
|
|
}
|
|
|
|
- (UIImage *)scaleToSize:(CGSize)size squared:(BOOL)squared {
|
|
UIImage *scaledImage = self;
|
|
if (squared) {
|
|
// scaledImage = [self squareCrop];
|
|
size.width = size.height = MAX(size.width, size.height);
|
|
}
|
|
|
|
UIGraphicsBeginImageContext(size);
|
|
|
|
[scaledImage drawInRect:CGRectMake(0, 0, size.width, size.height)];
|
|
scaledImage = UIGraphicsGetImageFromCurrentImageContext();
|
|
UIGraphicsEndImageContext();
|
|
|
|
return scaledImage;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation UIColor (LightAndDark)
|
|
|
|
- (UIColor *)lumColor:(float)mult {
|
|
float hsbH, hsbS, hsbB;
|
|
float rgbaR, rgbaG, rgbaB, rgbaA;
|
|
|
|
// Get RGB
|
|
CGColorRef cgColor = [self CGColor];
|
|
CGColorSpaceRef cgColorSpace = CGColorGetColorSpace(cgColor);
|
|
if (CGColorSpaceGetModel(cgColorSpace) != kCGColorSpaceModelRGB) {
|
|
LOGW(@"Can't convert not RGB color");
|
|
return self;
|
|
} else {
|
|
const CGFloat *colors = CGColorGetComponents(cgColor);
|
|
rgbaR = colors[0];
|
|
rgbaG = colors[1];
|
|
rgbaB = colors[2];
|
|
rgbaA = CGColorGetAlpha(cgColor);
|
|
}
|
|
|
|
RGB2HSL(rgbaR, rgbaG, rgbaB, &hsbH, &hsbS, &hsbB);
|
|
|
|
hsbB = MIN(MAX(hsbB * mult, 0.0), 1.0);
|
|
|
|
HSL2RGB(hsbH, hsbS, hsbB, &rgbaR, &rgbaG, &rgbaB);
|
|
|
|
return [UIColor colorWithRed:rgbaR green:rgbaG blue:rgbaB alpha:rgbaA];
|
|
}
|
|
|
|
- (UIColor *)adjustHue:(float)hm saturation:(float)sm brightness:(float)bm alpha:(float)am {
|
|
float hsbH, hsbS, hsbB;
|
|
float rgbaR, rgbaG, rgbaB, rgbaA;
|
|
|
|
// Get RGB
|
|
CGColorRef cgColor = [self CGColor];
|
|
CGColorSpaceRef cgColorSpace = CGColorGetColorSpace(cgColor);
|
|
if (CGColorSpaceGetModel(cgColorSpace) != kCGColorSpaceModelRGB) {
|
|
LOGW(@"Can't convert not RGB color");
|
|
return self;
|
|
} else {
|
|
const CGFloat *colors = CGColorGetComponents(cgColor);
|
|
rgbaR = colors[0];
|
|
rgbaG = colors[1];
|
|
rgbaB = colors[2];
|
|
rgbaA = CGColorGetAlpha(cgColor);
|
|
}
|
|
|
|
RGB2HSL(rgbaR, rgbaG, rgbaB, &hsbH, &hsbS, &hsbB);
|
|
|
|
hsbH = MIN(MAX(hsbH + hm, 0.0), 1.0);
|
|
hsbS = MIN(MAX(hsbS + sm, 0.0), 1.0);
|
|
hsbB = MIN(MAX(hsbB + bm, 0.0), 1.0);
|
|
rgbaA = MIN(MAX(rgbaA + am, 0.0), 1.0);
|
|
|
|
HSL2RGB(hsbH, hsbS, hsbB, &rgbaR, &rgbaG, &rgbaB);
|
|
|
|
return [UIColor colorWithRed:rgbaR green:rgbaG blue:rgbaB alpha:rgbaA];
|
|
}
|
|
|
|
- (UIColor *)lighterColor {
|
|
return [self lumColor:1.3];
|
|
}
|
|
|
|
- (UIColor *)darkerColor {
|
|
return [self lumColor:0.75];
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation UIImage (ForceDecode)
|
|
|
|
+ (UIImage *)decodedImageWithImage:(UIImage *)image {
|
|
CGImageRef imageRef = image.CGImage;
|
|
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
|
|
CGContextRef context = CGBitmapContextCreate(
|
|
NULL, CGImageGetWidth(imageRef), CGImageGetHeight(imageRef), 8,
|
|
// Just always return width * 4 will be enough
|
|
CGImageGetWidth(imageRef) * 4,
|
|
// System only supports RGB, set explicitly
|
|
colorSpace,
|
|
// Makes system don't need to do extra conversion when displayed.
|
|
// NOTE: here we remove the alpha channel for performance. Most of the time, images loaded
|
|
// from the network are jpeg with no alpha channel. As a TODO, finding a way to detect
|
|
// if alpha channel is necessary would be nice.
|
|
kCGImageAlphaNoneSkipLast | kCGBitmapByteOrder32Little);
|
|
CGColorSpaceRelease(colorSpace);
|
|
if (!context)
|
|
return nil;
|
|
|
|
CGRect rect = (CGRect){CGPointZero, {CGImageGetWidth(imageRef), CGImageGetHeight(imageRef)}};
|
|
CGContextDrawImage(context, rect, imageRef);
|
|
CGImageRef decompressedImageRef = CGBitmapContextCreateImage(context);
|
|
CGContextRelease(context);
|
|
|
|
UIImage *decompressedImage =
|
|
[[UIImage alloc] initWithCGImage:decompressedImageRef scale:image.scale orientation:image.imageOrientation];
|
|
CGImageRelease(decompressedImageRef);
|
|
return decompressedImage;
|
|
}
|
|
|
|
@end
|