src/third_party/skia/experimental/iOSSampleApp/Shared/SkUIDetailViewController.mm

   1 #import "SkUIDetailViewController.h"
   2 #include "SampleApp.h"
   3 #include "SkCGUtils.h"
   4 #include "SkData.h"
   5 #include "SkOSMenu.h"
   6 @implementation SkUIDetailViewController
   7 @synthesize fPrintButton, fOptionsButton, fPopOverController, fOptionsController;
   8
   9 //Overwritten from UIViewController
  10 - (void)viewDidLoad {
  11     [super viewDidLoad];
  12
  13     fSkUIView = (SkUIView*)self.view;
  14
  15     fWind = (SampleWindow*)fSkUIView.fWind;
  16     fSkUIView.fTitleItem = self.navigationItem;
  17
  18     [self createButtons];
  19
  20     UISwipeGestureRecognizer* swipe = [[UISwipeGestureRecognizer alloc]
  21                                        initWithTarget:self
  22                                        action:@selector(handleSwipe:)];
  23     [self.navigationController.navigationBar addGestureRecognizer:swipe];
  24     [swipe release];
  25     swipe = [[UISwipeGestureRecognizer alloc]
  26              initWithTarget:self
  27              action:@selector(handleSwipe:)];
  28     swipe.direction = UISwipeGestureRecognizerDirectionLeft;
  29     [self.navigationController.navigationBar addGestureRecognizer:swipe];
  30     [swipe release];
  31
  32     fOptionsController = [[SkOptionsTableViewController alloc]
  33                           initWithStyle:UITableViewStyleGrouped];
  34     fSkUIView.fOptionsDelegate = fOptionsController;
  35     [fOptionsController registerMenus:fWind->getMenus()];
  36
  37 }
  38
  39 - (void)createButtons {
  40     UIToolbar* toolbar = [[UIToolbar alloc]
  41                           initWithFrame:CGRectMake(0, 0, 125, 45)];
  42     [toolbar setBarStyle: UIBarStyleBlackOpaque];
  43
  44     UIBarButtonItem* flexibleSpace = [[UIBarButtonItem alloc]
  45                                        initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace
  46                                        target:nil
  47                                        action:nil];
  48
  49     fOptionsButton = [[UIBarButtonItem alloc]
  50                     initWithTitle:@"Options"
  51                     style:UIBarButtonItemStylePlain
  52                     target:self
  53                     action:@selector(presentOptions)];
  54     UIBarButtonItem* fixedSpace = [[UIBarButtonItem alloc]
  55                                     initWithBarButtonSystemItem:UIBarButtonSystemItemFixedSpace
  56                                     target:nil
  57                                     action:nil];
  58     fixedSpace.width = 10;
  59
  60     fPrintButton = [[UIBarButtonItem alloc]
  61                     initWithBarButtonSystemItem:UIBarButtonSystemItemAction
  62                     target:self
  63                     action:@selector(printContent)];
  64     fPrintButton.style = UIBarButtonItemStylePlain;
  65
  66     [toolbar setItems:[NSArray arrayWithObjects:flexibleSpace, fOptionsButton, fixedSpace, fPrintButton, nil]
  67              animated:NO];
  68
  69     self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc]
  70                                               initWithCustomView:toolbar];
  71     [flexibleSpace release];
  72     [fixedSpace release];
  73     [toolbar release];
  74 }
  75
  76 - (void)handleSwipe:(UISwipeGestureRecognizer *)sender {
  77     if (UISwipeGestureRecognizerDirectionRight == sender.direction)
  78         fWind->previousSample();
  79     else
  80         fWind->nextSample();
  81 }
  82
  83 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
  84     return YES; // Overriden to allow auto rotation for any direction
  85 }
  86
  87 - (void)dealloc {
  88     [fPrintButton release];
  89     [fOptionsButton release];
  90     [fPopOverController release];
  91     [fOptionsController release];
  92     [super dealloc];
  93 }
  94
  95 //Instance Methods
  96 - (void)populateRoot:(SkUIRootViewController*)rootVC {
  97     for (int i = 0; i < fWind->sampleCount(); ++i) {
  98         [rootVC addItem:[NSString stringWithUTF8String:fWind->getSampleTitle(i).c_str()]];
  99     }
 100 }
 101
 102 - (void)goToItem:(NSUInteger)index {
 103     fWind->goToSample(index);
 104 }
 105
 106 - (void)printContent {
 107     /* comment out until we rev. this to use SkDocument
 108
 109     UIPrintInteractionController *controller = [UIPrintInteractionController sharedPrintController];
 110     UIPrintInfo *printInfo = [UIPrintInfo printInfo];
 111     printInfo.jobName = @"Skia iOS SampleApp";
 112     printInfo.duplex = UIPrintInfoDuplexLongEdge;
 113     printInfo.outputType = UIPrintInfoOutputGeneral;
 114     fWind->saveToPdf();
 115     [fSkUIView forceRedraw];
 116     fData = fWind->getPDFData();
 117     NSData* data = [NSData dataWithBytesNoCopy:(void*)fData->data() length:fData->size()];
 118     controller.printInfo = printInfo;
 119     controller.printingItem = data;
 120     //Add ref because data pointer retains a pointer to data
 121     fData->ref();
 122
 123     void (^SkCompletionHandler)(UIPrintInteractionController *, BOOL, NSError *) =
 124     ^(UIPrintInteractionController *pic, BOOL completed, NSError *error) {
 125         fData->unref();
 126         if (!completed && error)
 127             NSLog(@"FAILED! due to error in domain %@ with error code %u",
 128                   error.domain, error.code);
 129     };
 130
 131     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 132         [controller presentFromBarButtonItem:fPrintButton animated:YES
 133                         completionHandler:SkCompletionHandler];
 134     } else {
 135         [controller presentAnimated:YES completionHandler:SkCompletionHandler];
 136     }
 137      */
 138 }
 139
 140 - (void)presentOptions {
 141     if (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) {
 142         if (nil == fPopOverController) {
 143             UINavigationController* navigation = [[UINavigationController alloc]
 144                                                   initWithRootViewController:fOptionsController];
 145             navigation.navigationBar.topItem.title = @"Options";
 146             fPopOverController = [[UIPopoverController alloc] initWithContentViewController:navigation];
 147             [navigation release];
 148         }
 149
 150         if (fPopOverController.isPopoverVisible)
 151             [fPopOverController dismissPopoverAnimated:YES];
 152         else
 153             [fPopOverController presentPopoverFromBarButtonItem:fOptionsButton
 154                                        permittedArrowDirections:UIPopoverArrowDirectionAny
 155                                                        animated:YES];
 156
 157     } else {
 158         UIBarButtonItem* backButton = [[UIBarButtonItem alloc] initWithTitle:@"Back"
 159                                                                        style:UIBarButtonItemStyleBordered
 160                                                                       target:nil
 161                                                                       action:nil];
 162         self.navigationItem.backBarButtonItem = backButton;
 163         [backButton release];
 164         [self.navigationController pushViewController:fOptionsController animated:YES];
 165         self.navigationController.navigationBar.topItem.title = @"Options";
 166     }
 167 }
 168
 169 //Popover Management
 170 - (void)showRootPopoverButtonItem:(UIBarButtonItem *)barButtonItem {
 171     [self.navigationItem setLeftBarButtonItem:barButtonItem animated:NO];
 172 }
 173
 174 - (void)invalidateRootPopoverButtonItem:(UIBarButtonItem *)barButtonItem {
 175     [self.navigationItem setLeftBarButtonItem:nil animated:NO];
 176 }
 177
 178 @end