/*

 Credentials input controller

 Copyright 2013 Thincast Technologies GmbH, Author: Martin Fleisz

 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 "CredentialsInputController.h"

#import "RDPSession.h"

#import "Utils.h"

@implementation CredentialsInputController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil session:(RDPSession *)session params:(NSMutableDictionary *)params

{

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        _session = session;

        _params = params;

        [self setModalPresentationStyle:UIModalPresentationFormSheet];

        // on iphone we have the problem that the buttons are hidden by the keyboard

        // we solve this issue by registering keyboard notification handlers and adjusting the scrollview accordingly

        if (IsPhone())

        {

            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name: UIKeyboardWillShowNotification object:nil];

            [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name: UIKeyboardWillHideNotification object:nil];            

        }

    }

    return self;

}

- (void)viewDidLoad

{

    [super viewDidLoad];

    // set localized strings

    [_lbl_message setText:NSLocalizedString(@"Please provide the missing user information in order to proceed and login.", @"Credentials input view message")];

    [_textfield_username setPlaceholder:NSLocalizedString(@"Username", @"Credentials Input Username hint")];

    [_textfield_password setPlaceholder:NSLocalizedString(@"Password", @"Credentials Input Password hint")];

    [_textfield_domain setPlaceholder:NSLocalizedString(@"Domain", @"Credentials Input Domain hint")];

    [_btn_login setTitle:NSLocalizedString(@"Login", @"Login Button") forState:UIControlStateNormal];

    [_btn_cancel setTitle:NSLocalizedString(@"Cancel", @"Cancel Button") forState:UIControlStateNormal];

    // init scrollview content size

    [_scroll_view setContentSize:[_scroll_view frame].size];

    // set params in the view

    [_textfield_username setText:[_params valueForKey:@"username"]];

    [_textfield_password setText:[_params valueForKey:@"password"]];

    [_textfield_domain setText:[_params valueForKey:@"domain"]];

}

- (void)viewDidUnload

{

    [super viewDidUnload];

}

- (void)viewDidDisappear:(BOOL)animated

{

    [super viewDidDisappear:animated];

    // set signal

    [[_session uiRequestCompleted] signal];    

}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation

{

    return YES;

}

- (void)dealloc

{

    [super dealloc];

    [[NSNotificationCenter defaultCenter] removeObserver:self];

}

#pragma mark -

#pragma mark iOS Keyboard Notification Handlers

- (void)keyboardWillShow:(NSNotification *)notification

{   

	CGRect keyboardEndFrame = [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];

    CGRect keyboardFrame = [[self view] convertRect:keyboardEndFrame toView:nil];

    [UIView beginAnimations:nil context:NULL];

    [UIView setAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

    [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]];

	CGRect frame = [_scroll_view frame];

	frame.size.height -=  keyboardFrame.size.height;

	[_scroll_view setFrame:frame];

	[UIView commitAnimations];    

}

- (void)keyboardWillHide:(NSNotification *)notification

{

	CGRect keyboardEndFrame = [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue];

    CGRect keyboardFrame = [[self view] convertRect:keyboardEndFrame toView:nil];

    [UIView beginAnimations:nil context:NULL];

    [UIView setAnimationCurve:[[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] intValue]];

    [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]];

	CGRect frame = [_scroll_view frame];

	frame.size.height +=  keyboardFrame.size.height;

	[_scroll_view setFrame:frame];

    [UIView commitAnimations];

}

#pragma mark - Action handlers

- (IBAction)loginPressed:(id)sender

{

    // read input back in 

    [_params setValue:[_textfield_username text] forKey:@"username"];

    [_params setValue:[_textfield_password text] forKey:@"password"];

    [_params setValue:[_textfield_domain text] forKey:@"domain"];

    [_params setValue:[NSNumber numberWithBool:YES] forKey:@"result"];

    // dismiss controller

    [self dismissModalViewControllerAnimated:YES];

}

- (IBAction)cancelPressed:(id)sender

{

    [_params setValue:[NSNumber numberWithBool:NO] forKey:@"result"];

    // dismiss controller

    [self dismissModalViewControllerAnimated:YES];

}

@end