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Added an ASMapNode to AsyncDisplayKit

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This commit is contained in:
Aaron Schubert
2015-11-12 12:13:42 +00:00
parent 5b1e2145cc
commit fe06f211ca
3 changed files with 282 additions and 0 deletions
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8
AsyncDisplayKit.xcodeproj/project.pbxproj
View File

@@ -211,6 +211,8 @@
509E68651B3AEDC5009B9150 /* CGRect+ASConvenience.h in Headers */ = {isa = PBXBuildFile; fileRef = 205F0E1F1B376416007741D0 /* CGRect+ASConvenience.h */; settings = {ATTRIBUTES = (Public, ); }; };
509E68661B3AEDD7009B9150 /* CGRect+ASConvenience.m in Sources */ = {isa = PBXBuildFile; fileRef = 205F0E201B376416007741D0 /* CGRect+ASConvenience.m */; };
6BDC61F61979037800E50D21 /* AsyncDisplayKit.h in Headers */ = {isa = PBXBuildFile; fileRef = 6BDC61F51978FEA400E50D21 /* AsyncDisplayKit.h */; settings = {ATTRIBUTES = (Public, ); }; };
92DD2FE31BF4B97E0074C9DD /* ASMapNode.h in Headers */ = {isa = PBXBuildFile; fileRef = 92DD2FE11BF4B97E0074C9DD /* ASMapNode.h */; };
92DD2FE41BF4B97E0074C9DD /* ASMapNode.mm in Sources */ = {isa = PBXBuildFile; fileRef = 92DD2FE21BF4B97E0074C9DD /* ASMapNode.mm */; };
9B92C8851BC2EB6E00EE46B2 /* ASCollectionDataController.mm in Sources */ = {isa = PBXBuildFile; fileRef = 251B8EF31BBB3D690087C538 /* ASCollectionDataController.mm */; };
9B92C8861BC2EB7600EE46B2 /* ASCollectionViewFlowLayoutInspector.m in Sources */ = {isa = PBXBuildFile; fileRef = 251B8EF51BBB3D690087C538 /* ASCollectionViewFlowLayoutInspector.m */; };
9C49C36F1B853957000B0DD5 /* ASStackLayoutable.h in Headers */ = {isa = PBXBuildFile; fileRef = 9C49C36E1B853957000B0DD5 /* ASStackLayoutable.h */; settings = {ATTRIBUTES = (Public, ); }; };
@@ -599,6 +601,8 @@
4640521C1A3F83C40061C0BA /* ASFlowLayoutController.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASFlowLayoutController.mm; sourceTree = "<group>"; };
4640521D1A3F83C40061C0BA /* ASLayoutController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASLayoutController.h; sourceTree = "<group>"; };
6BDC61F51978FEA400E50D21 /* AsyncDisplayKit.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AsyncDisplayKit.h; sourceTree = "<group>"; };
92DD2FE11BF4B97E0074C9DD /* ASMapNode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ASMapNode.h; sourceTree = "<group>"; };
92DD2FE21BF4B97E0074C9DD /* ASMapNode.mm */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.objcpp; path = ASMapNode.mm; sourceTree = "<group>"; };
9C49C36E1B853957000B0DD5 /* ASStackLayoutable.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASStackLayoutable.h; path = AsyncDisplayKit/Layout/ASStackLayoutable.h; sourceTree = "<group>"; };
9C5586671BD549CB00B50E3A /* ASAsciiArtBoxCreator.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ASAsciiArtBoxCreator.h; path = AsyncDisplayKit/Layout/ASAsciiArtBoxCreator.h; sourceTree = "<group>"; };
9C5586681BD549CB00B50E3A /* ASAsciiArtBoxCreator.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = ASAsciiArtBoxCreator.m; path = AsyncDisplayKit/Layout/ASAsciiArtBoxCreator.m; sourceTree = "<group>"; };
@@ -787,6 +791,8 @@
058D09B1195D04C000B7D73C /* AsyncDisplayKit */ = {
isa = PBXGroup;
children = (
92DD2FE11BF4B97E0074C9DD /* ASMapNode.h */,
92DD2FE21BF4B97E0074C9DD /* ASMapNode.mm */,
055F1A3A19ABD43F004DAFF1 /* ASCellNode.h */,
AC6456071B0A335000CF11B8 /* ASCellNode.m */,
18C2ED7C1B9B7DE800F627B3 /* ASCollectionNode.h */,
@@ -1194,6 +1200,7 @@
ACF6ED4F1B17847A00DA7C62 /* ASStackPositionedLayout.h in Headers */,
ACF6ED511B17847A00DA7C62 /* ASStackUnpositionedLayout.h in Headers */,
9C6BB3B21B8CC9C200F13F52 /* ASStaticLayoutable.h in Headers */,
92DD2FE31BF4B97E0074C9DD /* ASMapNode.h in Headers */,
ACF6ED311B17843500DA7C62 /* ASStaticLayoutSpec.h in Headers */,
055F1A3419ABD3E3004DAFF1 /* ASTableView.h in Headers */,
251B8EF71BBB3D690087C538 /* ASCollectionDataController.h in Headers */,
@@ -1547,6 +1554,7 @@
AC6456091B0A335000CF11B8 /* ASCellNode.m in Sources */,
ACF6ED1D1B17843500DA7C62 /* ASCenterLayoutSpec.mm in Sources */,
18C2ED801B9B7DE800F627B3 /* ASCollectionNode.m in Sources */,
92DD2FE41BF4B97E0074C9DD /* ASMapNode.mm in Sources */,
AC3C4A521A1139C100143C57 /* ASCollectionView.mm in Sources */,
205F0E1E1B373A2C007741D0 /* ASCollectionViewLayoutController.mm in Sources */,
058D0A13195D050800B7D73C /* ASControlNode.m in Sources */,

39
AsyncDisplayKit/ASMapNode.h Normal file
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@@ -0,0 +1,39 @@
/* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <AsyncDisplayKit/AsyncDisplayKit.h>
#import <MapKit/MapKit.h>
@interface ASMapNode : ASControlNode
- (instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate NS_DESIGNATED_INITIALIZER;
@property (nonatomic, readonly) ASImageNode *mapImage;
@property (nonatomic, readonly) ASDisplayNode *liveMap;
/**
Whether the map snapshot should turn into a MKMapView when tapped on. Defaults to YES.
*/
@property (nonatomic, assign) BOOL hasLiveMap;
/**
@abstract Explicitly set the size of the map and therefore the size of ASMapNode. Defaults to CGSizeMake(constrainedSize.max.width, 256).
@discussion If the mapSize width or height is greater than the available space, then ASMapNode will take the maximum space available.
@result The current size of the ASMapNode.
*/
@property (nonatomic, assign) CGSize mapSize;
/**
@abstract Whether ASMapNode should automatically request a new map snapshot to correspond to the new node size. Defaults to YES.
@discussion If mapSize is set then this will be set to NO, since the size will be the same in all orientations.
*/
@property (nonatomic, assign) BOOL automaticallyReloadsMapImageOnOrientationChange;
/**
Set the delegate of the MKMapView.
*/
@property (nonatomic, weak) id <MKMapViewDelegate> mapDelegate;
/**
* @discussion This method adds annotations to the static map view and also to the live map view.
* @param annotations An array of objects that conform to the MKAnnotation protocol
*/
- (void)addAnnotations:(NSArray *)annotations;
@end

235
AsyncDisplayKit/ASMapNode.mm Normal file
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@@ -0,0 +1,235 @@
/* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import "ASMapNode.h"
#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
#import <AsyncDisplayKit/ASCenterLayoutSpec.h>
#import <AsyncDisplayKit/ASThread.h>
@interface ASMapNode()
{
ASDN::RecursiveMutex _propertyLock;
CGSize _nodeSize;
MKMapSnapshotter *_snapshotter;
MKMapSnapshotOptions *_options;
CGSize _maxSize;
NSArray *_annotations;
}
@end
@implementation ASMapNode
@synthesize hasLiveMap = _hasLiveMap;
@synthesize mapSize = _mapSize;
@synthesize automaticallyReloadsMapImageOnOrientationChange = _automaticallyReloadsMapImageOnOrientationChange;
@synthesize mapDelegate = _mapDelegate;
- (instancetype)initWithCoordinate:(CLLocationCoordinate2D)coordinate
{
if (!(self = [super init])) {
return nil;
}
self.backgroundColor = ASDisplayNodeDefaultPlaceholderColor();
_hasLiveMap = YES;
_automaticallyReloadsMapImageOnOrientationChange = YES;
_options = [[MKMapSnapshotOptions alloc] init];
_options.region = MKCoordinateRegionMakeWithDistance(coordinate, 1000, 1000);;
_mapImage = [[ASImageNode alloc]init];
_mapImage.clipsToBounds = YES;
[self addSubnode:_mapImage];
[self updateGesture];
_maxSize = self.bounds.size;
return self;
}
- (void)addAnnotations:(NSArray *)annotations
{
ASDN::MutexLocker l(_propertyLock);
if (annotations.count == 0) {
return;
}
_annotations = [annotations copy];
if (annotations.count != _annotations.count && _mapImage.image) {
// Redraw
[self setNeedsDisplay];
}
}
- (void)setUpSnapshotter
{
if (!_snapshotter) {
_options.size = _nodeSize;
_snapshotter = [[MKMapSnapshotter alloc] initWithOptions:_options];
}
}
- (BOOL)hasLiveMap
{
ASDN::MutexLocker l(_propertyLock);
return _hasLiveMap;
}
- (void)setHasLiveMap:(BOOL)hasLiveMap
{
ASDN::MutexLocker l(_propertyLock);
if (hasLiveMap == _hasLiveMap)
return;
_hasLiveMap = hasLiveMap;
[self updateGesture];
}
- (CGSize)mapSize
{
ASDN::MutexLocker l(_propertyLock);
return _mapSize;
}
- (void)setMapSize:(CGSize)mapSize
{
ASDN::MutexLocker l(_propertyLock);
if (CGSizeEqualToSize(mapSize,_mapSize)) {
return;
}
_mapSize = mapSize;
_nodeSize = _mapSize;
_automaticallyReloadsMapImageOnOrientationChange = NO;
[self setNeedsLayout];
}
- (BOOL)automaticallyReloadsMapImageOnOrientationChange
{
ASDN::MutexLocker l(_propertyLock);
return _automaticallyReloadsMapImageOnOrientationChange;
}
- (void)setAutomaticallyReloadsMapImageOnOrientationChange:(BOOL)automaticallyReloadsMapImageOnOrientationChange
{
ASDN::MutexLocker l(_propertyLock);
if (_automaticallyReloadsMapImageOnOrientationChange == automaticallyReloadsMapImageOnOrientationChange) {
return;
}
_automaticallyReloadsMapImageOnOrientationChange = automaticallyReloadsMapImageOnOrientationChange;
}
- (void)updateGesture
{
_hasLiveMap ? [self addTarget:self action:@selector(showLiveMap) forControlEvents:ASControlNodeEventTouchUpInside] : [self removeTarget:self action:@selector(showLiveMap) forControlEvents:ASControlNodeEventTouchUpInside];
}
- (void)fetchData
{
[super fetchData];
[self setUpSnapshotter];
[self takeSnapshot];
}
- (void)clearFetchedData
{
[super clearFetchedData];
if (_liveMap) {
[_liveMap removeFromSupernode];
_liveMap = nil;
}
_mapImage.image = nil;
}
- (void)takeSnapshot
{
if (!_snapshotter.isLoading) {
[_snapshotter startWithCompletionHandler:^(MKMapSnapshot *snapshot, NSError *error) {
if (!error) {
UIImage *image = snapshot.image;
CGRect finalImageRect = CGRectMake(0, 0, image.size.width, image.size.height);
// Get a standard annotation view pin. Future implementations should use a custom annotation image property.
MKAnnotationView *pin = [[MKPinAnnotationView alloc] initWithAnnotation:nil reuseIdentifier:@""];
UIImage *pinImage = pin.image;
UIGraphicsBeginImageContextWithOptions(image.size, YES, image.scale);
[image drawAtPoint:CGPointMake(0, 0)];
for (id<MKAnnotation>annotation in _annotations)
{
CGPoint point = [snapshot pointForCoordinate:annotation.coordinate];
if (CGRectContainsPoint(finalImageRect, point))
{
CGPoint pinCenterOffset = pin.centerOffset;
point.x -= pin.bounds.size.width / 2.0;
point.y -= pin.bounds.size.height / 2.0;
point.x += pinCenterOffset.x;
point.y += pinCenterOffset.y;
[pinImage drawAtPoint:point];
}
}
UIImage *finalImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
_mapImage.image = finalImage;
}
}];
}
}
- (void)resetSnapshotter
{
if (!_snapshotter.isLoading) {
_options.size = _nodeSize;
_snapshotter = [[MKMapSnapshotter alloc] initWithOptions:_options];
}
}
#pragma mark - Action
- (void)showLiveMap
{
if (self.isNodeLoaded && !_liveMap) {
_liveMap = [[ASDisplayNode alloc]initWithViewBlock:^UIView *{
MKMapView *mapView = [[MKMapView alloc]initWithFrame:CGRectMake(0.0f, 0.0f, self.calculatedSize.width, self.calculatedSize.height)];
mapView.delegate = _mapDelegate;
[mapView setRegion:_options.region];
[mapView addAnnotations:_annotations];
return mapView;
}];
[self addSubnode:_liveMap];
_mapImage.image = nil;
}
}
#pragma mark - Layout
- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
{
_nodeSize = CGSizeEqualToSize(CGSizeZero, _mapSize) ? CGSizeMake(constrainedSize.width, _options.size.height) : _mapSize;
if (_mapImage) {
[_mapImage calculateSizeThatFits:_nodeSize];
}
return _nodeSize;
}
// Layout isn't usually needed in the box model, but since we are making use of MKMapView which is hidden in an ASDisplayNode this is preferred.
- (void)layout
{
[super layout];
if (_liveMap) {
MKMapView *mapView = (MKMapView *)_liveMap.view;
mapView.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, self.calculatedSize.height);
}
else {
_mapImage.frame = CGRectMake(0.0f, 0.0f, self.calculatedSize.width, self.calculatedSize.height);
if (!CGSizeEqualToSize(_maxSize, self.bounds.size)) {
_mapImage.preferredFrameSize = self.bounds.size;
_maxSize = self.bounds.size;
if (_automaticallyReloadsMapImageOnOrientationChange && _mapImage.image) {
[self resetSnapshotter];
[self takeSnapshot];
}
}
}
}
@end