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#import "MGLStyleLayer_Private.h"
#import "MGLStyle_Private.h"
#include <mbgl/style/style.hpp>
#include <mbgl/style/layer.hpp>
@interface MGLStyleLayer ()
@property (nonatomic, readonly) mbgl::style::Layer *rawLayer;
@end
@implementation MGLStyleLayer {
std::unique_ptr<mbgl::style::Layer> _pendingLayer;
}
- (instancetype)initWithRawLayer:(mbgl::style::Layer *)rawLayer {
if (self = [super init]) {
_identifier = @(rawLayer->getID().c_str());
_rawLayer = rawLayer;
_rawLayer->peer = LayerWrapper { self };
}
return self;
}
- (instancetype)initWithPendingLayer:(std::unique_ptr<mbgl::style::Layer>)pendingLayer {
if (self = [self initWithRawLayer:pendingLayer.get()]) {
_pendingLayer = std::move(pendingLayer);
}
return self;
}
- (void)addToStyle:(MGLStyle *)style belowLayer:(MGLStyleLayer *)otherLayer
{
if (_pendingLayer == nullptr) {
[NSException raise:@"MGLRedundantLayerException"
format:@"This instance %@ was already added to %@. Adding the same layer instance " \
"to the style more than once is invalid.", self, style];
}
if (otherLayer) {
const mbgl::optional<std::string> belowLayerId{otherLayer.identifier.UTF8String};
style.rawStyle->addLayer(std::move(_pendingLayer), belowLayerId);
} else {
style.rawStyle->addLayer(std::move(_pendingLayer));
}
}
- (void)removeFromStyle:(MGLStyle *)style
{
if (self.rawLayer == style.rawStyle->getLayer(self.identifier.UTF8String)) {
_pendingLayer = style.rawStyle->removeLayer(self.identifier.UTF8String);
}
}
- (void)setVisible:(BOOL)visible
{
MGLAssertStyleLayerIsValid();
mbgl::style::VisibilityType v = visible
? mbgl::style::VisibilityType::Visible
: mbgl::style::VisibilityType::None;
self.rawLayer->setVisibility(v);
}
- (BOOL)isVisible
{
MGLAssertStyleLayerIsValid();
mbgl::style::VisibilityType v = self.rawLayer->getVisibility();
return (v == mbgl::style::VisibilityType::Visible);
}
- (void)setMaximumZoomLevel:(float)maximumZoomLevel
{
MGLAssertStyleLayerIsValid();
self.rawLayer->setMaxZoom(maximumZoomLevel);
}
- (float)maximumZoomLevel
{
MGLAssertStyleLayerIsValid();
return self.rawLayer->getMaxZoom();
}
- (void)setMinimumZoomLevel:(float)minimumZoomLevel
{
MGLAssertStyleLayerIsValid();
self.rawLayer->setMinZoom(minimumZoomLevel);
}
- (float)minimumZoomLevel
{
MGLAssertStyleLayerIsValid();
return self.rawLayer->getMinZoom();
}
- (NSString *)description
{
return [NSString stringWithFormat:@"<%@: %p; identifier = %@; visible = %@>",
NSStringFromClass([self class]), (void *)self, self.identifier,
self.visible ? @"YES" : @"NO"];
}
@end
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