root/apps/iphone/superbook/trunk/Classes/LocateThem_ViewController.m @ 461

//
//  LocateThem_AppDelegate.m
//  LocateThem
//
//  Created by Henri Asseily on 8/13/08.
/*
 Copyright (c) 2008-2009, Telnic Ltd. All rights reserved.
 
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:
 
 Redistributions of source code must retain the above copyright notice, this list of conditions
 and the following disclaimer. Redistributions in binary form must reproduce the above copyright
 notice, this list of conditions and the following disclaimer in the documentation and/or other
 materials provided with the distribution.
 Neither the name of the Telnic Ltd. nor the names of its contributors may be used to endorse or
 promote products derived from this software without specific prior written permission.
 THIS DOCUMENTATION IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
//

#import "LocateThem_ViewController.h"

@implementation LocateThem_ViewController

@synthesize friendsTableView;
@synthesize loadingView;
@synthesize labelForLoadingView;
@synthesize telSearch;
@synthesize progressView;
@synthesize progressLabel;
@synthesize logo;

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
        // Custom initialization
                [MyCLController sharedInstance].delegate = self;
    }
        isFirstRun = YES;
        shouldUpdateLocation = YES;
    return self;
}

- (void)viewDidLoad {
        [super viewDidLoad];
        if (!self.title) {
                self.title = NSLocalizedString(@"Contacts", @"Main Contacts list Title");
                
                // NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];    
                FriendsData *sharedFriendsInstance = [FriendsData sharedInstance];
                sharedFriendsInstance.delegate = self;
                friendsTableView.dataSource = sharedFriendsInstance;
                
                // Do the other setup tasks
                [telSearch setKeyboardType:UIKeyboardTypeASCIICapable];
                [telSearch setAutocorrectionType:UITextAutocorrectionTypeNo];
                telSearch.placeholder = NSLocalizedString(@"SearchboxPlaceholder", @"Placeholder string in .tel search box");
                keyboardShown = NO;
                [[NSNotificationCenter defaultCenter] addObserver:self
                                                                                                 selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil ];
                [[NSNotificationCenter defaultCenter] addObserver:self
                                                                                                 selector:@selector(keyboardDidShow:) name:UIKeyboardDidShowNotification object:nil ];
                [[NSNotificationCenter defaultCenter] addObserver:self
                                                                                                 selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil ];
                isUpdatingLocation = FALSE;
                needsFriendsTableRefresh = TRUE;
        }
}

- (void)viewWillAppear:(BOOL)animated {
        [super viewWillAppear:animated];
        // become the delegate of MyCLController, which could have been taken by a .tel tableview
        [MyCLController sharedInstance].delegate = self;
}

- (void)viewDidAppear:(BOOL)animated {
        [super viewDidAppear:animated];
        // Must animate the hiding of the navbar and put it in this method
        // otherwise the frame of the view is reduced and pushed up by the size of the navbar
        [self.navigationController setNavigationBarHidden:YES animated:YES];
        if (! isUpdatingLocation) {
                [[MyCLController sharedInstance].locationManager startUpdatingLocation];
                isUpdatingLocation = TRUE;
        }

        if (needsFriendsTableRefresh) {
                // Now load our friends using a timer, so that the application can finish initializing
                // and it can display the "loading..." information. Once the friend data has been loaded,
                // friendsDataDidLoad() is called and we complete building the table.
                // Don't use a background thread because the AddressBook framework may not be threadsafe
                [self.labelForLoadingView setText:NSLocalizedString(@"Loading AddressBook...", @"Loading AddressBook...")];
                [self.view addSubview:loadingView];
                loadingView.center = self.view.center;
                [[FriendsData sharedInstance] refreshPreferences];
                [[FriendsData sharedInstance] performSelector:@selector(loadFriendsDataFromAB:) withObject:nil afterDelay:0.1];
                needsFriendsTableRefresh = FALSE;
        }
}

// Delegate for FriendsData that gets called when data has been loaded and we can update the tableview
- (void)friendsDataDidLoad {

        //[NSThread sleepForTimeInterval:5];    // for testing loadingView only
        [friendsTableView reloadData];
        [loadingView removeFromSuperview];
        if ([friendsTableView numberOfRowsInSection:0] == 0) {
                [friendsTableView setHidden:NO];
                instructionsView = [[[UILabel alloc] initWithFrame:friendsTableView.frame] autorelease];
                instructionsView.numberOfLines = 0;
                instructionsView.text = NSLocalizedString(@"NoContactsWithTel", @"Paragraph to explain that no contacts could be found with a .tel url");
                instructionsView.textAlignment = UITextAlignmentCenter;
                instructionsView.font = [instructionsView.font fontWithSize:18];
                instructionsView.alpha = 0.8;
                [self.view insertSubview:instructionsView aboveSubview:friendsTableView];
                [instructionsView resignFirstResponder];
        } else {
                [friendsTableView setHidden:NO];
                if (instructionsView != nil) {
                        [instructionsView removeFromSuperview];
                }
        }

        if (isFirstRun) {
                isFirstRun = NO;
                // Check to see if the user has disabled location services altogether
                // In that case, we show an alert and disable the find button and gps switch
                // TODO: re-enable when find location button is brought back
//              if ( ! [MyCLController sharedInstance].locationManager.locationServicesEnabled ) {
//                      BOOL shouldQuit = NO;
//                      
//                      CustomAlertView *alertView = [[CustomAlertView alloc] initWithTitle:NSLocalizedString(@"LocationDenied", nil)
//                                                                                                                              message:nil
//                                                                                                                         delegate:nil
//                                                                                                                       shouldQuit:shouldQuit
//                                                                                                        cancelButtonTitle:nil
//                                                                                                        otherButtonTitles:NSLocalizedString(@"OK", nil), nil];
//                      [alertView show];
//                      [alertView release];
//              }


                //register whenever a change to the underlying dataset happens, so we can update the friends list view
                [[FriendsData sharedInstance] addObserver:self forKeyPath:@"lastFriendsUpdate" 
                                                                                  options:NSKeyValueObservingOptionNew context:NULL];
        }
        if (shouldUpdateLocation) {
                shouldUpdateLocation = FALSE;
                NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
                if ([defaults boolForKey:@"startupLocatePreference"]) {
                        progressLabel.text = NSLocalizedString(@"Searching contact locations", @"Searching contact locations");
                        logo.hidden = YES;
                        progressLabel.hidden = NO;
                        progressView.hidden = NO;                       
                        [self performSelectorInBackground:@selector(updateFriendsListInBackground) withObject:nil];
                }
        }
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
        // Return YES for supported orientations

        return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning]; // Don't release the view
}

- (void)dealloc {
        [mapViewController release];
        [locationRefreshButton release];
        [locationRefreshingButton release];
        [super dealloc];
}

#pragma mark ---- Main Friend Update methods ----
- (void)updateFriendsListInBackground {
        // This method is to be called as a new thread and updates the friends list in the background
        // As it updates, it will request the table view and maybe a status indicator to update in the main thread
        NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
        mapViewController = [FriendsMapViewController sharedInstance];
        [[MyCLController sharedInstance] findFriendsTel];
        [pool release];
}

- (void) observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {

    if ([keyPath isEqual:@"lastFriendsUpdate"]) {
                // Make sure we're in the main thread to update the UI
                [self performSelectorOnMainThread:@selector(updateFriendsTableViewWithTimestamp:) 
                                                           withObject:[change objectForKey:NSKeyValueChangeNewKey] waitUntilDone:YES];
                [mapViewController setMarkers:[FriendsData sharedInstance].peopleCurrentList];
                mapViewController.navigationItem.rightBarButtonItem = locationRefreshButton;
        }
        else {
                [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
        }
}

- (void)updateFriendsTableViewWithTimestamp:(NSDate *)theStamp {
        [[FriendsData sharedInstance] updateDataSet];   
        [friendsTableView reloadData];
}

#pragma mark ---- Row and Accessory Click ----

- (void)tableView:(UITableView *)tableView accessoryButtonTappedForRowWithIndexPath:(NSIndexPath *)indexPath {
        
        // Do the same as if the row is selected
        [self tableView:tableView didSelectRowAtIndexPath:indexPath];

        return;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
        
        mapViewController.zoomLevel = 14.0;
        NSNumber *personId = [[FriendsData sharedInstance] getABRecordIdForIndexPath:indexPath];
        [tableView deselectRowAtIndexPath:indexPath animated:YES];
        [self launchNavControllerForTel:nil personId:personId];
        return;
}

#pragma mark ---- Action methods ----

- (void)launchNavControllerForTel:(NSString *)aTel personId:(NSNumber *)aPersonId {
        NaptrViewController *nVC = [[[NaptrViewController alloc] initWithNibName:@"TelView" bundle:[NSBundle mainBundle]] autorelease];
        if (aPersonId) {
                if (![nVC setupWithPersonId:aPersonId])
                        return;
        } else if (aTel) {
                if (![nVC setupWithTel:aTel])
                        return;
        } else {
                return;
        }
        [self.navigationController pushViewController:nVC animated:YES];
}       

#pragma mark ---- UISearchBar delegate and keyboard methods ----

- (void)keyboardWillShow:(NSNotification*)aNotification {
        if (keyboardShown)
                return;
        
        NSDictionary* info = [aNotification userInfo];
    // Get the size of the keyboard.
    NSValue* aValue = [info objectForKey:UIKeyboardBoundsUserInfoKey];
    CGSize keyboardSize = [aValue CGRectValue].size;
        // Move the search box up above the keyboard
        CGRect tSFrame = telSearch.frame;
        CGRect aboveKeyboard = CGRectMake(tSFrame.origin.x, tSFrame.origin.y - keyboardSize.height,
                                                                          tSFrame.size.width, tSFrame.size.height);
        telSearch.barStyle = UIBarStyleBlackOpaque;
        self.friendsTableView.hidden = YES;
        [UIView beginAnimations:nil context:NULL];
        [UIView setAnimationBeginsFromCurrentState:YES];
        [UIView setAnimationDuration:0.3];      // TODO: Change this to UIKeyboardAnimationDurationUserInfoKey for 3.x
        telSearch.frame = aboveKeyboard;
        [UIView commitAnimations];
        keyboardShown = YES;
}

- (void)keyboardDidShow:(NSNotification*)aNotification {
        // If we show the cancel button in the WillShow notification, it is disabled (2.x at least)
        telSearch.showsCancelButton = YES;
}

- (void)keyboardWillHide:(NSNotification*)aNotification {
        if (!keyboardShown)
                return;
        
        NSDictionary* info = [aNotification userInfo];
    // Get the size of the keyboard.
    NSValue* aValue = [info objectForKey:UIKeyboardBoundsUserInfoKey];
    CGSize keyboardSize = [aValue CGRectValue].size;
        // Move the search box back down
        CGRect tSFrame = telSearch.frame;
        CGRect noKeyboard = CGRectMake(tSFrame.origin.x, tSFrame.origin.y + keyboardSize.height,
                                                                          tSFrame.size.width, tSFrame.size.height);
        telSearch.frame = noKeyboard;
        telSearch.barStyle = UIBarStyleBlackTranslucent;
        telSearch.text = @"";
        telSearch.showsCancelButton = NO;
        self.friendsTableView.hidden = NO;
        keyboardShown = NO;
}

- (void)searchBarTextDidEndEditing:(UISearchBar *)searchBar {
}

- (void)searchBarCancelButtonClicked:(UISearchBar *)searchBar {
    [searchBar resignFirstResponder];
}

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar {
        //Must grab the text before resigning first responder
        NSString *query = [NSString stringWithString:searchBar.text];
    [searchBar resignFirstResponder];
        [self launchNavControllerForTel:query personId:nil];
}

#pragma mark ---- MyCLController delegate methods ----

-(void)gpsUpdate:(CLLocation *)aLoc {
//      Enable this to display the GPS update info on this controller's view
//      if (!aLoc) {
//              [self.labelGpsLastUpdateDate setText:NSLocalizedString(@"LatLongUnavailable", @"Latitude/Longitude unavailable")];
//              [self.labelGpsLastUpdateDate setNeedsDisplay];
//              return;
//      }
//      NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
//      [dateFormatter setDateStyle:NSDateFormatterShortStyle];
//      [dateFormatter setTimeStyle:NSDateFormatterMediumStyle];
//      [self.labelGpsLastUpdateDate setText:[dateFormatter stringFromDate:aLoc.timestamp]];
//      [self.labelGpsLastUpdateDate setNeedsDisplay];
//      [dateFormatter release];
        if (!mapViewController.view.superview) {
                // the map view is not active, we can update my location there
                // Let's not do it for now, it's debatable from a usability perspective
                mapViewController.initialLoc = aLoc;
        }
        return;
}

-(void)statusUpdate:(NSString *)update {        
        return;
}

- (void)updateProgressView:(NSNumber *)val {

        // technique to ensure we're updating the UI in the main thread, otherwise it doesn't work
        if (![NSThread isMainThread]) {
                return([self performSelectorOnMainThread:_cmd withObject:val waitUntilDone:YES]);
        }
        progressView.progress = [val floatValue];
        if ([val floatValue] == 1.0f) {
                progressView.hidden = YES;
                progressLabel.hidden = YES;
                logo.hidden = NO;
        }
}

-(void)newError:(NSString *)text shouldQuit:(BOOL)shouldQuit {

        NSString *alertMessage;
        if (shouldQuit) {
                alertMessage = [NSString stringWithString:NSLocalizedString(@"AppWillQuit", @"Superbook will now quit")];
        } else {
                alertMessage = nil;
        }
        
        CustomAlertView *alertView = [[CustomAlertView alloc] initWithTitle:text
                                                                                                                                message:alertMessage
                                                                                                                           delegate:nil
                                                                                                                         shouldQuit:shouldQuit
                                                                                                          cancelButtonTitle:nil
                                                                                                          otherButtonTitles:NSLocalizedString(@"Quit", @"Quit"), nil];
        [alertView show];
        [alertView release];
        if (alertMessage)
                [alertMessage release];
}       

#pragma mark ------ Buttons

- (IBAction)didPressMapButton:(id)sender {
        // Load up the shared map view
        // Make the map view do a background update of the friends and display them
        mapViewController = [FriendsMapViewController sharedInstance];
        // Put in a dummy map navcontroller so it looks the same as when we navigate .tel domains
        mapViewController.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone
                                                                                                                                                                                 target:self
                                                                                                                                                                                 action:@selector(closeMapNavController)];
        // Create the buttons to refresh the markers
        if (!locationRefreshButton) {
                UIImage *pinrefresh = [UIImage imageNamed:@"button-pin-refresh.png"];
                locationRefreshButton = [[UIBarButtonItem alloc] initWithImage:pinrefresh style:UIBarButtonItemStyleBordered
                                                                                                                                target:self
                                                                                                                                action:@selector(didPressLocationRefreshButton:)];
        }
        if (!locationRefreshingButton) {
                UIActivityIndicatorView *aIV = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhite] autorelease];
                [aIV startAnimating];
                locationRefreshingButton = [[UIBarButtonItem alloc] initWithCustomView:aIV];
        }
        mapViewController.navigationItem.rightBarButtonItem = locationRefreshButton;
        
        // Do data setup
        [mapViewController didPressCenterGps:nil];
        mapViewController.zoomLevel = 6.0;
        [self.navigationController pushViewController:mapViewController animated:YES];
}

- (IBAction)didPressSettingsButton:(id)sender {
        SettingsViewController *sVC = [[[SettingsViewController alloc] initWithNibName:@"SettingsView" bundle:[NSBundle mainBundle]] autorelease];
        sVC.delegate = self;
        sVC.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemSave
                                                                                                                                                                                 target:sVC
                                                                                                                                                                                 action:@selector(didPressSave:)];
        sVC.navigationItem.backBarButtonItem.title = NSLocalizedString(@"Cancel", @"Cancel");
        [self.navigationController pushViewController:sVC animated:YES];
}

- (IBAction)didPressLocationRefreshButton:(id)sender {
        mapViewController.navigationItem.rightBarButtonItem = locationRefreshingButton;
        [self performSelectorInBackground:@selector(updateFriendsListInBackground) withObject:nil];
}

#pragma mark ------ SettingsViewDelegate
- (void)settingsDidChange {
        needsFriendsTableRefresh = TRUE;
        shouldUpdateLocation = TRUE;
}

- (void)launchTelUrl:(NSString *)url {
        [self launchNavControllerForTel:url personId:nil];
}

@end