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#import "LinkCell.h"
#import "MWMTextToSpeech.h"
#import "MWMTTSSettingsViewController.h"
#import "SelectableCell.h"
#import "Statistics.h"
#import "UIColor+MapsMeColor.h"
#import "WebViewController.h"
#import <AVFoundation/AVFoundation.h>
#include "LocaleTranslator.h"
static NSString * kSelectTTSLanguageSegueName = @"TTSLanguage";
using namespace locale_translator;
@interface MWMTTSSettingsViewController ()
{
pair<string, string> _additionalTTSLanguage;
vector<pair<string, string>> _languages;
}
@property (nonatomic) BOOL isLocaleLanguageAbsent;
@end
@implementation MWMTTSSettingsViewController
- (void)viewDidLoad
{
[super viewDidLoad];
self.title = L(@"pref_tts_language_title");
self.tableView.separatorColor = [UIColor blackDividers];
MWMTextToSpeech * tts = [MWMTextToSpeech tts];
_languages.reserve(3);
auto const & v = tts.availableLanguages;
NSAssert(!v.empty(), @"Vector can't be empty!");
pair<string, string> const standart = v.front();
_languages.push_back(standart);
using namespace tts;
NSString * currentBcp47 = [AVSpeechSynthesisVoice currentLanguageCode];
string const currentBcp47Str = [currentBcp47 UTF8String];
string const currentTwineStr = bcp47ToTwineLanguage(currentBcp47);
if (currentBcp47Str != standart.first && !currentBcp47Str.empty())
{
string const translated = translatedTwine(currentTwineStr);
pair<string, string> const cur {currentBcp47Str, translated};
if (translated.empty() || find(v.begin(), v.end(), cur) != v.end())
_languages.push_back(cur);
else
self.isLocaleLanguageAbsent = YES;
}
string const savedLanguage = tts.savedLanguage.UTF8String;
if (savedLanguage != currentBcp47Str && savedLanguage != standart.first && !savedLanguage.empty())
_languages.emplace_back(make_pair(savedLanguage, translatedTwine(bcp47ToTwineLanguage(tts.savedLanguage))));
}
- (IBAction)unwind:(id)sender
{
size_t const size = _languages.size();
if (find(_languages.begin(), _languages.end(), _additionalTTSLanguage) != _languages.end())
{
[self.tableView reloadData];
return;
}
switch (size)
{
case 1:
_languages.push_back(_additionalTTSLanguage);
break;
case 2:
if (self.isLocaleLanguageAbsent)
_languages[size - 1] = _additionalTTSLanguage;
else
_languages.push_back(_additionalTTSLanguage);
break;
case 3:
_languages[size - 1] = _additionalTTSLanguage;
break;
default:
NSAssert(false, @"Incorrect language's count");
break;
}
[self.tableView reloadData];
}
- (void)setAdditionalTTSLanguage:(pair<string, string> const &)l
{
[[MWMTextToSpeech tts] setNotificationsLocale:@(l.first.c_str())];
_additionalTTSLanguage = l;
}
#pragma mark - UITableViewDataSource
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
return 2;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
if (section == 0)
return _languages.size() + 1;
else
return 1;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section == 0 && indexPath.row != _languages.size())
{
SelectableCell * cell = (SelectableCell *)[tableView dequeueReusableCellWithIdentifier:[SelectableCell className]];
pair<string, string> const p = _languages[indexPath.row];
cell.titleLabel.text = @(p.second.c_str());
BOOL const isSelected = [@(p.first.c_str()) isEqualToString:[[MWMTextToSpeech tts] savedLanguage]];
cell.accessoryType = isSelected ? UITableViewCellAccessoryCheckmark : UITableViewCellAccessoryNone;
return cell;
}
else
{
LinkCell * cell = (LinkCell *)[tableView dequeueReusableCellWithIdentifier:[LinkCell className]];
cell.titleLabel.text = indexPath.section == 0 ? L(@"pref_tts_other_section_title") : L(@"pref_tts_how_to_set_up_voice");
return cell;
}
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section == 0)
{
if (indexPath.row == _languages.size())
{
[Statistics logEvent:kStatEventName(kStatTTSSettings, kStatChangeLanguage)
withParameters:@{kStatValue : kStatOther}];
[self performSegueWithIdentifier:kSelectTTSLanguageSegueName sender:nil];
}
else
{
[[MWMTextToSpeech tts] setNotificationsLocale:@(_languages[indexPath.row].first.c_str())];
[tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withRowAnimation:UITableViewRowAnimationFade];
}
}
else if (indexPath.section == 1)
{
[Statistics logEvent:kStatEventName(kStatTTSSettings, kStatHelp)];
NSString * path = [[NSBundle mainBundle] pathForResource:@"tts-how-to-set-up-voice" ofType:@"html"];
NSString * html = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
NSURL * baseURL = [NSURL fileURLWithPath:path];
WebViewController * vc = [[WebViewController alloc] initWithHtml:html baseUrl:baseURL andTitleOrNil:L(@"pref_tts_how_to_set_up_voice")];
[self.navigationController pushViewController:vc animated:YES];
}
}
@end
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