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#import "MGLTilePyramidOfflineRegion.h"
#if !TARGET_OS_IPHONE && !TARGET_OS_SIMULATOR
#import <Cocoa/Cocoa.h>
#endif
#import "MGLOfflineRegion_Private.h"
#import "MGLTilePyramidOfflineRegion_Private.h"
#import "MGLGeometry_Private.h"
#import "MGLStyle.h"
@interface MGLTilePyramidOfflineRegion () <MGLOfflineRegion_Private, MGLTilePyramidOfflineRegion_Private>
@end
@implementation MGLTilePyramidOfflineRegion {
NSURL *_styleURL;
}
@synthesize styleURL = _styleURL;
+ (BOOL)supportsSecureCoding {
return YES;
}
- (instancetype)init {
[NSException raise:NSGenericException format:
@"-[MGLTilePyramidOfflineRegion init] is unavailable. "
@"Use -initWithStyleURL:bounds:fromZoomLevel:toZoomLevel: instead."];
return nil;
}
- (instancetype)initWithStyleURL:(NSURL *)styleURL bounds:(MGLCoordinateBounds)bounds fromZoomLevel:(double)minimumZoomLevel toZoomLevel:(double)maximumZoomLevel {
if (self = [super init]) {
if (!styleURL) {
styleURL = [MGLStyle streetsStyleURLWithVersion:MGLStyleDefaultVersion];
}
if (!styleURL.scheme) {
[NSException raise:MGLInvalidStyleURLException format:
@"%@ does not support setting a relative file URL as the style URL. "
@"To download the online resources required by this style, "
@"specify a URL to an online copy of this style. "
@"For Mapbox-hosted styles, use the mapbox: scheme.",
NSStringFromClass([self class])];
}
_styleURL = styleURL;
_bounds = bounds;
_minimumZoomLevel = minimumZoomLevel;
_maximumZoomLevel = maximumZoomLevel;
}
return self;
}
- (instancetype)initWithOfflineRegionDefinition:(const mbgl::OfflineTilePyramidRegionDefinition &)definition {
NSURL *styleURL = [NSURL URLWithString:@(definition.styleURL.c_str())];
MGLCoordinateBounds bounds = MGLCoordinateBoundsFromLatLngBounds(definition.bounds);
return [self initWithStyleURL:styleURL bounds:bounds fromZoomLevel:definition.minZoom toZoomLevel:definition.maxZoom];
}
- (const mbgl::OfflineRegionDefinition)offlineRegionDefinition {
#if TARGET_OS_IPHONE || TARGET_OS_SIMULATOR
const float scaleFactor = [UIScreen instancesRespondToSelector:@selector(nativeScale)] ? [[UIScreen mainScreen] nativeScale] : [[UIScreen mainScreen] scale];
#elif TARGET_OS_MAC
const float scaleFactor = [NSScreen mainScreen].backingScaleFactor;
#endif
return mbgl::OfflineTilePyramidRegionDefinition(_styleURL.absoluteString.UTF8String,
MGLLatLngBoundsFromCoordinateBounds(_bounds),
_minimumZoomLevel, _maximumZoomLevel,
scaleFactor);
}
- (nullable instancetype)initWithCoder:(NSCoder *)coder {
NSURL *styleURL = [coder decodeObjectForKey:@"styleURL"];
CLLocationCoordinate2D sw = CLLocationCoordinate2DMake([coder decodeDoubleForKey:@"southWestLatitude"],
[coder decodeDoubleForKey:@"southWestLongitude"]);
CLLocationCoordinate2D ne = CLLocationCoordinate2DMake([coder decodeDoubleForKey:@"northEastLatitude"],
[coder decodeDoubleForKey:@"northEastLongitude"]);
MGLCoordinateBounds bounds = MGLCoordinateBoundsMake(sw, ne);
double minimumZoomLevel = [coder decodeDoubleForKey:@"minimumZoomLevel"];
double maximumZoomLevel = [coder decodeDoubleForKey:@"maximumZoomLevel"];
return [self initWithStyleURL:styleURL bounds:bounds fromZoomLevel:minimumZoomLevel toZoomLevel:maximumZoomLevel];
}
- (void)encodeWithCoder:(NSCoder *)coder
{
[coder encodeObject:_styleURL forKey:@"styleURL"];
[coder encodeDouble:_bounds.sw.latitude forKey:@"southWestLatitude"];
[coder encodeDouble:_bounds.sw.longitude forKey:@"southWestLongitude"];
[coder encodeDouble:_bounds.ne.latitude forKey:@"northEastLatitude"];
[coder encodeDouble:_bounds.ne.longitude forKey:@"northEastLongitude"];
[coder encodeDouble:_maximumZoomLevel forKey:@"maximumZoomLevel"];
[coder encodeDouble:_minimumZoomLevel forKey:@"minimumZoomLevel"];
}
- (id)copyWithZone:(nullable NSZone *)zone {
return [[[self class] allocWithZone:zone] initWithStyleURL:_styleURL bounds:_bounds fromZoomLevel:_minimumZoomLevel toZoomLevel:_maximumZoomLevel];
}
- (BOOL)isEqual:(id)other {
if (other == self) {
return YES;
}
if (![other isKindOfClass:[self class]]) {
return NO;
}
MGLTilePyramidOfflineRegion *otherRegion = other;
return (_minimumZoomLevel == otherRegion->_minimumZoomLevel
&& _maximumZoomLevel == otherRegion->_maximumZoomLevel
&& MGLCoordinateBoundsEqualToCoordinateBounds(_bounds, otherRegion->_bounds)
&& [_styleURL isEqual:otherRegion->_styleURL]);
}
- (NSUInteger)hash {
return (_styleURL.hash
+ @(_bounds.sw.latitude).hash + @(_bounds.sw.longitude).hash
+ @(_bounds.ne.latitude).hash + @(_bounds.ne.longitude).hash
+ @(_minimumZoomLevel).hash + @(_maximumZoomLevel).hash);
}
@end
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