Merge pull request #879 from levi/levi/custom-layout-example

Add custom collection view layout example project
This commit is contained in:
appleguy 2015-11-29 22:14:31 -08:00
commit 937b72b64a
51 changed files with 1485 additions and 3 deletions

View File

@ -20,8 +20,8 @@
// FIXME: Temporary nonsense import until method names are finalized and exposed
#import "ASDisplayNode+Subclasses.h"
const static NSUInteger kASCollectionViewAnimationNone = UITableViewRowAnimationNone;
static const NSUInteger kASCollectionViewAnimationNone = UITableViewRowAnimationNone;
static const ASSizeRange kInvalidSizeRange = {CGSizeZero, CGSizeZero};
#pragma mark -
#pragma mark Proxying.
@ -670,7 +670,17 @@ static BOOL _isInterceptedSelector(SEL sel)
- (ASSizeRange)dataController:(ASDataController *)dataController constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
{
ASSizeRange constrainedSize;
ASSizeRange constrainedSize = kInvalidSizeRange;
if (_layoutInspector) {
constrainedSize = [_layoutInspector collectionView:self constrainedSizeForNodeAtIndexPath:indexPath];
}
if (!ASSizeRangeEqualToSizeRange(constrainedSize, kInvalidSizeRange)) {
return constrainedSize;
}
// TODO: Move this logic into the flow layout inspector. Create a simple inspector for non-flow layouts that don't
// implement a custom inspector.
if (_asyncDataSourceImplementsConstrainedSizeForNode) {
constrainedSize = [_asyncDataSource collectionView:self constrainedSizeForNodeAtIndexPath:indexPath];
} else {

View File

@ -15,6 +15,11 @@
@protocol ASCollectionViewLayoutInspecting <NSObject>
/**
* Provides the size range needed to measure the collection view's item.
*/
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath;
/**
* Asks the inspector to provide a constrained size range for the given supplementary node.
*/
@ -30,6 +35,8 @@
*/
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section;
@optional
/**
* Allow the inspector to respond to delegate changes.
*

View File

@ -49,6 +49,12 @@
#pragma mark - ASCollectionViewLayoutInspecting
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
{
// TODO: Provide constrained size for flow layout item nodes
return ASSizeRangeMake(CGSizeZero, CGSizeZero);
}
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
CGSize constrainedSize;

View File

@ -0,0 +1,3 @@
source 'https://github.com/CocoaPods/Specs.git'
platform :ios, '8.0'
pod 'AsyncDisplayKit', :path => '../..'

View File

@ -0,0 +1,381 @@
// !$*UTF8*$!
{
archiveVersion = 1;
classes = {
};
objectVersion = 46;
objects = {
/* Begin PBXBuildFile section */
25A1FA851C02F7AC00193875 /* MosaicCollectionViewLayout.m in Sources */ = {isa = PBXBuildFile; fileRef = 25A1FA841C02F7AC00193875 /* MosaicCollectionViewLayout.m */; };
25A1FA881C02FCB000193875 /* ImageCellNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 25A1FA871C02FCB000193875 /* ImageCellNode.m */; };
9B92C8811BC17D3000EE46B2 /* SupplementaryNode.m in Sources */ = {isa = PBXBuildFile; fileRef = 9B92C8801BC17D3000EE46B2 /* SupplementaryNode.m */; };
9BA2CEA11BB2579C00D18414 /* Launchboard.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 9BA2CEA01BB2579C00D18414 /* Launchboard.storyboard */; };
AC3C4A641A11F47200143C57 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = AC3C4A631A11F47200143C57 /* main.m */; };
AC3C4A671A11F47200143C57 /* AppDelegate.m in Sources */ = {isa = PBXBuildFile; fileRef = AC3C4A661A11F47200143C57 /* AppDelegate.m */; };
AC3C4A6A1A11F47200143C57 /* ViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = AC3C4A691A11F47200143C57 /* ViewController.m */; };
AC3C4A8E1A11F80C00143C57 /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = AC3C4A8D1A11F80C00143C57 /* Images.xcassets */; };
FABD6D156A3EB118497E5CE6 /* libPods.a in Frameworks */ = {isa = PBXBuildFile; fileRef = F02BAF78E68BC56FD8C161B7 /* libPods.a */; };
/* End PBXBuildFile section */
/* Begin PBXFileReference section */
25A1FA831C02F7AC00193875 /* MosaicCollectionViewLayout.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = MosaicCollectionViewLayout.h; sourceTree = "<group>"; };
25A1FA841C02F7AC00193875 /* MosaicCollectionViewLayout.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = MosaicCollectionViewLayout.m; sourceTree = "<group>"; };
25A1FA861C02FCB000193875 /* ImageCellNode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ImageCellNode.h; sourceTree = "<group>"; };
25A1FA871C02FCB000193875 /* ImageCellNode.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ImageCellNode.m; sourceTree = "<group>"; };
2DBAEE96397BB913350C4530 /* Pods.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.debug.xcconfig; path = "Pods/Target Support Files/Pods/Pods.debug.xcconfig"; sourceTree = "<group>"; };
9B92C87F1BC17D3000EE46B2 /* SupplementaryNode.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SupplementaryNode.h; sourceTree = "<group>"; };
9B92C8801BC17D3000EE46B2 /* SupplementaryNode.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SupplementaryNode.m; sourceTree = "<group>"; };
9BA2CEA01BB2579C00D18414 /* Launchboard.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = Launchboard.storyboard; sourceTree = "<group>"; };
AC3C4A5E1A11F47200143C57 /* Sample.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = Sample.app; sourceTree = BUILT_PRODUCTS_DIR; };
AC3C4A621A11F47200143C57 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
AC3C4A631A11F47200143C57 /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
AC3C4A651A11F47200143C57 /* AppDelegate.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = AppDelegate.h; sourceTree = "<group>"; };
AC3C4A661A11F47200143C57 /* AppDelegate.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = AppDelegate.m; sourceTree = "<group>"; };
AC3C4A681A11F47200143C57 /* ViewController.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = ViewController.h; sourceTree = "<group>"; };
AC3C4A691A11F47200143C57 /* ViewController.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = ViewController.m; sourceTree = "<group>"; };
AC3C4A8D1A11F80C00143C57 /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = Images.xcassets; sourceTree = "<group>"; };
CD1ABB23007FEDB31D8C1978 /* Pods.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.release.xcconfig; path = "Pods/Target Support Files/Pods/Pods.release.xcconfig"; sourceTree = "<group>"; };
F02BAF78E68BC56FD8C161B7 /* libPods.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPods.a; sourceTree = BUILT_PRODUCTS_DIR; };
/* End PBXFileReference section */
/* Begin PBXFrameworksBuildPhase section */
AC3C4A5B1A11F47200143C57 /* Frameworks */ = {
isa = PBXFrameworksBuildPhase;
buildActionMask = 2147483647;
files = (
FABD6D156A3EB118497E5CE6 /* libPods.a in Frameworks */,
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
90A2B9C5397C46134C8A793B /* Pods */ = {
isa = PBXGroup;
children = (
2DBAEE96397BB913350C4530 /* Pods.debug.xcconfig */,
CD1ABB23007FEDB31D8C1978 /* Pods.release.xcconfig */,
);
name = Pods;
sourceTree = "<group>";
};
AC3C4A551A11F47200143C57 = {
isa = PBXGroup;
children = (
AC3C4A601A11F47200143C57 /* Sample */,
AC3C4A5F1A11F47200143C57 /* Products */,
90A2B9C5397C46134C8A793B /* Pods */,
D6E38FF0CB18E3F55CF06437 /* Frameworks */,
);
sourceTree = "<group>";
};
AC3C4A5F1A11F47200143C57 /* Products */ = {
isa = PBXGroup;
children = (
AC3C4A5E1A11F47200143C57 /* Sample.app */,
);
name = Products;
sourceTree = "<group>";
};
AC3C4A601A11F47200143C57 /* Sample */ = {
isa = PBXGroup;
children = (
25A1FA831C02F7AC00193875 /* MosaicCollectionViewLayout.h */,
25A1FA841C02F7AC00193875 /* MosaicCollectionViewLayout.m */,
AC3C4A651A11F47200143C57 /* AppDelegate.h */,
AC3C4A661A11F47200143C57 /* AppDelegate.m */,
AC3C4A681A11F47200143C57 /* ViewController.h */,
AC3C4A691A11F47200143C57 /* ViewController.m */,
25A1FA861C02FCB000193875 /* ImageCellNode.h */,
25A1FA871C02FCB000193875 /* ImageCellNode.m */,
AC3C4A8D1A11F80C00143C57 /* Images.xcassets */,
AC3C4A611A11F47200143C57 /* Supporting Files */,
9B92C87F1BC17D3000EE46B2 /* SupplementaryNode.h */,
9B92C8801BC17D3000EE46B2 /* SupplementaryNode.m */,
);
indentWidth = 2;
path = Sample;
sourceTree = "<group>";
tabWidth = 2;
usesTabs = 0;
};
AC3C4A611A11F47200143C57 /* Supporting Files */ = {
isa = PBXGroup;
children = (
AC3C4A621A11F47200143C57 /* Info.plist */,
AC3C4A631A11F47200143C57 /* main.m */,
9BA2CEA01BB2579C00D18414 /* Launchboard.storyboard */,
);
name = "Supporting Files";
sourceTree = "<group>";
};
D6E38FF0CB18E3F55CF06437 /* Frameworks */ = {
isa = PBXGroup;
children = (
F02BAF78E68BC56FD8C161B7 /* libPods.a */,
);
name = Frameworks;
sourceTree = "<group>";
};
/* End PBXGroup section */
/* Begin PBXNativeTarget section */
AC3C4A5D1A11F47200143C57 /* Sample */ = {
isa = PBXNativeTarget;
buildConfigurationList = AC3C4A811A11F47200143C57 /* Build configuration list for PBXNativeTarget "Sample" */;
buildPhases = (
F868CFBB21824CC9521B6588 /* Check Pods Manifest.lock */,
AC3C4A5A1A11F47200143C57 /* Sources */,
AC3C4A5B1A11F47200143C57 /* Frameworks */,
AC3C4A5C1A11F47200143C57 /* Resources */,
A6902C454C7661D0D277AC62 /* Copy Pods Resources */,
EC37EEC9933F5786936BFE7C /* Embed Pods Frameworks */,
);
buildRules = (
);
dependencies = (
);
name = Sample;
productName = Sample;
productReference = AC3C4A5E1A11F47200143C57 /* Sample.app */;
productType = "com.apple.product-type.application";
};
/* End PBXNativeTarget section */
/* Begin PBXProject section */
AC3C4A561A11F47200143C57 /* Project object */ = {
isa = PBXProject;
attributes = {
LastUpgradeCheck = 0610;
ORGANIZATIONNAME = Facebook;
TargetAttributes = {
AC3C4A5D1A11F47200143C57 = {
CreatedOnToolsVersion = 6.1;
};
};
};
buildConfigurationList = AC3C4A591A11F47200143C57 /* Build configuration list for PBXProject "Sample" */;
compatibilityVersion = "Xcode 3.2";
developmentRegion = English;
hasScannedForEncodings = 0;
knownRegions = (
en,
Base,
);
mainGroup = AC3C4A551A11F47200143C57;
productRefGroup = AC3C4A5F1A11F47200143C57 /* Products */;
projectDirPath = "";
projectRoot = "";
targets = (
AC3C4A5D1A11F47200143C57 /* Sample */,
);
};
/* End PBXProject section */
/* Begin PBXResourcesBuildPhase section */
AC3C4A5C1A11F47200143C57 /* Resources */ = {
isa = PBXResourcesBuildPhase;
buildActionMask = 2147483647;
files = (
9BA2CEA11BB2579C00D18414 /* Launchboard.storyboard in Resources */,
AC3C4A8E1A11F80C00143C57 /* Images.xcassets in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXResourcesBuildPhase section */
/* Begin PBXShellScriptBuildPhase section */
A6902C454C7661D0D277AC62 /* Copy Pods Resources */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputPaths = (
);
name = "Copy Pods Resources";
outputPaths = (
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods/Pods-resources.sh\"\n";
showEnvVarsInLog = 0;
};
EC37EEC9933F5786936BFE7C /* Embed Pods Frameworks */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputPaths = (
);
name = "Embed Pods Frameworks";
outputPaths = (
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods/Pods-frameworks.sh\"\n";
showEnvVarsInLog = 0;
};
F868CFBB21824CC9521B6588 /* Check Pods Manifest.lock */ = {
isa = PBXShellScriptBuildPhase;
buildActionMask = 2147483647;
files = (
);
inputPaths = (
);
name = "Check Pods Manifest.lock";
outputPaths = (
);
runOnlyForDeploymentPostprocessing = 0;
shellPath = /bin/sh;
shellScript = "diff \"${PODS_ROOT}/../Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [[ $? != 0 ]] ; then\n cat << EOM\nerror: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\nEOM\n exit 1\nfi\n";
showEnvVarsInLog = 0;
};
/* End PBXShellScriptBuildPhase section */
/* Begin PBXSourcesBuildPhase section */
AC3C4A5A1A11F47200143C57 /* Sources */ = {
isa = PBXSourcesBuildPhase;
buildActionMask = 2147483647;
files = (
25A1FA851C02F7AC00193875 /* MosaicCollectionViewLayout.m in Sources */,
AC3C4A6A1A11F47200143C57 /* ViewController.m in Sources */,
9B92C8811BC17D3000EE46B2 /* SupplementaryNode.m in Sources */,
AC3C4A671A11F47200143C57 /* AppDelegate.m in Sources */,
AC3C4A641A11F47200143C57 /* main.m in Sources */,
25A1FA881C02FCB000193875 /* ImageCellNode.m in Sources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
/* End PBXSourcesBuildPhase section */
/* Begin XCBuildConfiguration section */
AC3C4A7F1A11F47200143C57 /* Debug */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
CLANG_CXX_LIBRARY = "libc++";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
COPY_PHASE_STRIP = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_DYNAMIC_NO_PIC = NO;
GCC_OPTIMIZATION_LEVEL = 0;
GCC_PREPROCESSOR_DEFINITIONS = (
"DEBUG=1",
"$(inherited)",
);
GCC_SYMBOLS_PRIVATE_EXTERN = NO;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
MTL_ENABLE_DEBUG_INFO = YES;
ONLY_ACTIVE_ARCH = YES;
SDKROOT = iphoneos;
TARGETED_DEVICE_FAMILY = "1,2";
};
name = Debug;
};
AC3C4A801A11F47200143C57 /* Release */ = {
isa = XCBuildConfiguration;
buildSettings = {
ALWAYS_SEARCH_USER_PATHS = NO;
CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
CLANG_CXX_LIBRARY = "libc++";
CLANG_ENABLE_MODULES = YES;
CLANG_ENABLE_OBJC_ARC = YES;
CLANG_WARN_BOOL_CONVERSION = YES;
CLANG_WARN_CONSTANT_CONVERSION = YES;
CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
CLANG_WARN_EMPTY_BODY = YES;
CLANG_WARN_ENUM_CONVERSION = YES;
CLANG_WARN_INT_CONVERSION = YES;
CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
CLANG_WARN_UNREACHABLE_CODE = YES;
CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
COPY_PHASE_STRIP = YES;
ENABLE_NS_ASSERTIONS = NO;
ENABLE_STRICT_OBJC_MSGSEND = YES;
GCC_C_LANGUAGE_STANDARD = gnu99;
GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
GCC_WARN_ABOUT_RETURN_TYPE = YES_ERROR;
GCC_WARN_UNDECLARED_SELECTOR = YES;
GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
GCC_WARN_UNUSED_FUNCTION = YES;
GCC_WARN_UNUSED_VARIABLE = YES;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
MTL_ENABLE_DEBUG_INFO = NO;
SDKROOT = iphoneos;
TARGETED_DEVICE_FAMILY = "1,2";
VALIDATE_PRODUCT = YES;
};
name = Release;
};
AC3C4A821A11F47200143C57 /* Debug */ = {
isa = XCBuildConfiguration;
baseConfigurationReference = 2DBAEE96397BB913350C4530 /* Pods.debug.xcconfig */;
buildSettings = {
ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
INFOPLIST_FILE = Sample/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
PRODUCT_NAME = "$(TARGET_NAME)";
TARGETED_DEVICE_FAMILY = 1;
};
name = Debug;
};
AC3C4A831A11F47200143C57 /* Release */ = {
isa = XCBuildConfiguration;
baseConfigurationReference = CD1ABB23007FEDB31D8C1978 /* Pods.release.xcconfig */;
buildSettings = {
ASSETCATALOG_COMPILER_LAUNCHIMAGE_NAME = LaunchImage;
INFOPLIST_FILE = Sample/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.1;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
PRODUCT_NAME = "$(TARGET_NAME)";
TARGETED_DEVICE_FAMILY = 1;
};
name = Release;
};
/* End XCBuildConfiguration section */
/* Begin XCConfigurationList section */
AC3C4A591A11F47200143C57 /* Build configuration list for PBXProject "Sample" */ = {
isa = XCConfigurationList;
buildConfigurations = (
AC3C4A7F1A11F47200143C57 /* Debug */,
AC3C4A801A11F47200143C57 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
AC3C4A811A11F47200143C57 /* Build configuration list for PBXNativeTarget "Sample" */ = {
isa = XCConfigurationList;
buildConfigurations = (
AC3C4A821A11F47200143C57 /* Debug */,
AC3C4A831A11F47200143C57 /* Release */,
);
defaultConfigurationIsVisible = 0;
defaultConfigurationName = Release;
};
/* End XCConfigurationList section */
};
rootObject = AC3C4A561A11F47200143C57 /* Project object */;
}

View File

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "self:Sample.xcodeproj">
</FileRef>
</Workspace>

View File

@ -0,0 +1,88 @@
<?xml version="1.0" encoding="UTF-8"?>
<Scheme
LastUpgradeVersion = "0620"
version = "1.3">
<BuildAction
parallelizeBuildables = "YES"
buildImplicitDependencies = "YES">
<BuildActionEntries>
<BuildActionEntry
buildForTesting = "YES"
buildForRunning = "YES"
buildForProfiling = "YES"
buildForArchiving = "YES"
buildForAnalyzing = "YES">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "AC3C4A5D1A11F47200143C57"
BuildableName = "Sample.app"
BlueprintName = "Sample"
ReferencedContainer = "container:Sample.xcodeproj">
</BuildableReference>
</BuildActionEntry>
</BuildActionEntries>
</BuildAction>
<TestAction
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
shouldUseLaunchSchemeArgsEnv = "YES"
buildConfiguration = "Debug">
<Testables>
</Testables>
<MacroExpansion>
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "AC3C4A5D1A11F47200143C57"
BuildableName = "Sample.app"
BlueprintName = "Sample"
ReferencedContainer = "container:Sample.xcodeproj">
</BuildableReference>
</MacroExpansion>
</TestAction>
<LaunchAction
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
launchStyle = "0"
useCustomWorkingDirectory = "NO"
buildConfiguration = "Debug"
ignoresPersistentStateOnLaunch = "NO"
debugDocumentVersioning = "YES"
allowLocationSimulation = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "AC3C4A5D1A11F47200143C57"
BuildableName = "Sample.app"
BlueprintName = "Sample"
ReferencedContainer = "container:Sample.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
<AdditionalOptions>
</AdditionalOptions>
</LaunchAction>
<ProfileAction
shouldUseLaunchSchemeArgsEnv = "YES"
savedToolIdentifier = ""
useCustomWorkingDirectory = "NO"
buildConfiguration = "Release"
debugDocumentVersioning = "YES">
<BuildableProductRunnable
runnableDebuggingMode = "0">
<BuildableReference
BuildableIdentifier = "primary"
BlueprintIdentifier = "AC3C4A5D1A11F47200143C57"
BuildableName = "Sample.app"
BlueprintName = "Sample"
ReferencedContainer = "container:Sample.xcodeproj">
</BuildableReference>
</BuildableProductRunnable>
</ProfileAction>
<AnalyzeAction
buildConfiguration = "Debug">
</AnalyzeAction>
<ArchiveAction
buildConfiguration = "Release"
revealArchiveInOrganizer = "YES">
</ArchiveAction>
</Scheme>

View File

@ -0,0 +1,10 @@
<?xml version="1.0" encoding="UTF-8"?>
<Workspace
version = "1.0">
<FileRef
location = "group:Sample.xcodeproj">
</FileRef>
<FileRef
location = "group:Pods/Pods.xcodeproj">
</FileRef>
</Workspace>

View File

@ -0,0 +1,18 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import <UIKit/UIKit.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@end

View File

@ -0,0 +1,29 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import "AppDelegate.h"
#import "ViewController.h"
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
self.window.backgroundColor = [UIColor whiteColor];
self.window.rootViewController = [[ViewController alloc] init];
[self.window makeKeyAndVisible];
return YES;
}
@end

View File

@ -0,0 +1,15 @@
//
// ImageCellNode.h
// Sample
//
// Created by McCallum, Levi on 11/22/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import <AsyncDisplayKit/AsyncDisplayKit.h>
@interface ImageCellNode : ASCellNode
- (instancetype)initWithImage:(UIImage *)image;
@end

View File

@ -0,0 +1,37 @@
//
// ImageCellNode.m
// Sample
//
// Created by McCallum, Levi on 11/22/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import "ImageCellNode.h"
@implementation ImageCellNode {
ASImageNode *_imageNode;
}
- (id)initWithImage:(UIImage *)image
{
self = [super init];
if (self != nil) {
_imageNode = [[ASImageNode alloc] init];
_imageNode.image = image;
[self addSubnode:_imageNode];
}
return self;
}
- (CGSize)calculateSizeThatFits:(CGSize)constrainedSize
{
[_imageNode measure:constrainedSize];
return constrainedSize;
}
- (void)layout
{
_imageNode.frame = CGRectMake(0, 0, _imageNode.calculatedSize.width, _imageNode.calculatedSize.height);
}
@end

View File

@ -0,0 +1,39 @@
{
"images" : [
{
"orientation" : "portrait",
"idiom" : "iphone",
"filename" : "Default-568h@2x.png",
"minimum-system-version" : "7.0",
"subtype" : "retina4",
"scale" : "2x"
},
{
"idiom" : "iphone",
"scale" : "1x",
"orientation" : "portrait"
},
{
"idiom" : "iphone",
"scale" : "2x",
"orientation" : "portrait"
},
{
"orientation" : "portrait",
"idiom" : "iphone",
"filename" : "Default-568h@2x.png",
"subtype" : "retina4",
"scale" : "2x"
},
{
"orientation" : "portrait",
"idiom" : "iphone",
"minimum-system-version" : "7.0",
"scale" : "2x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 17 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_0.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 1.2 MiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_1.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 114 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_10.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 516 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_11.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 434 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_12.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 78 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_13.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 168 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_2.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 540 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_3.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 1.1 MiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_4.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 111 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_5.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 892 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_6.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 494 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_7.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 250 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_8.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 98 KiB

View File

@ -0,0 +1,21 @@
{
"images" : [
{
"idiom" : "universal",
"scale" : "1x",
"filename" : "image_9.jpg"
},
{
"idiom" : "universal",
"scale" : "2x"
},
{
"idiom" : "universal",
"scale" : "3x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

Binary file not shown.

After

Width:  |  Height:  |  Size: 429 KiB

View File

@ -0,0 +1,49 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>en</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIcons</key>
<dict/>
<key>CFBundleIcons~ipad</key>
<dict/>
<key>CFBundleIdentifier</key>
<string>com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>LSRequiresIPhoneOS</key>
<true/>
<key>UILaunchStoryboardName</key>
<string>Launchboard</string>
<key>UIRequiredDeviceCapabilities</key>
<array>
<string>armv7</string>
</array>
<key>UISupportedInterfaceOrientations</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
<key>UISupportedInterfaceOrientations~ipad</key>
<array>
<string>UIInterfaceOrientationPortrait</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
<string>UIInterfaceOrientationLandscapeLeft</string>
<string>UIInterfaceOrientationLandscapeRight</string>
</array>
</dict>
</plist>

View File

@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="6211" systemVersion="14A298i" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="6204"/>
</dependencies>
<scenes/>
</document>

View File

@ -0,0 +1,30 @@
//
// MosaicCollectionViewLayout.h
// Sample
//
// Created by McCallum, Levi on 11/22/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import <UIKit/UIKit.h>
#import <AsyncDisplayKit/AsyncDisplayKit.h>
@interface MosaicCollectionViewLayout : UICollectionViewLayout
@property (assign, nonatomic) NSUInteger numberOfColumns;
@property (assign, nonatomic) CGFloat columnSpacing;
@property (assign, nonatomic) UIEdgeInsets sectionInset;
@property (assign, nonatomic) UIEdgeInsets interItemSpacing;
@property (assign, nonatomic) CGFloat headerHeight;
@end
@protocol MosaicCollectionViewLayoutDelegate <ASCollectionViewDelegate>
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(MosaicCollectionViewLayout *)layout originalItemSizeAtIndexPath:(NSIndexPath *)indexPath;
@end
@interface MosaicCollectionViewLayoutInspector : NSObject <ASCollectionViewLayoutInspecting>
@end

View File

@ -0,0 +1,230 @@
//
// MosaicCollectionViewLayout.m
// Sample
//
// Created by McCallum, Levi on 11/22/15.
// Copyright (c) 2015 Facebook. All rights reserved.
//
#import "MosaicCollectionViewLayout.h"
@implementation MosaicCollectionViewLayout {
NSMutableArray *_columnHeights;
NSMutableArray *_itemAttributes;
NSMutableDictionary *_headerAttributes;
NSMutableArray *_allAttributes;
}
- (instancetype)init
{
self = [super init];
if (self != nil) {
self.numberOfColumns = 3;
self.columnSpacing = 10.0;
self.sectionInset = UIEdgeInsetsMake(10.0, 10.0, 10.0, 10.0);
self.interItemSpacing = UIEdgeInsetsMake(10.0, 0, 10.0, 0);
}
return self;
}
- (void)prepareLayout
{
_itemAttributes = [NSMutableArray array];
_columnHeights = [NSMutableArray array];
_allAttributes = [NSMutableArray array];
_headerAttributes = [NSMutableDictionary dictionary];
CGFloat top = 0;
NSInteger numberOfSections = [self.collectionView numberOfSections];
for (NSUInteger section = 0; section < numberOfSections; section++) {
NSInteger numberOfItems = [self.collectionView numberOfItemsInSection:section];
top += _sectionInset.top;
if (_headerHeight > 0) {
CGSize headerSize = [self _headerSizeForSection:section];
UICollectionViewLayoutAttributes *attributes = [UICollectionViewLayoutAttributes
layoutAttributesForSupplementaryViewOfKind:UICollectionElementKindSectionHeader
withIndexPath:[NSIndexPath indexPathForItem:0 inSection:section]];
attributes.frame = CGRectMake(_sectionInset.left, top, headerSize.width, headerSize.height);
_headerAttributes[@(section)] = attributes;
[_allAttributes addObject:attributes];
top = CGRectGetMaxY(attributes.frame);
}
[_columnHeights addObject:[NSMutableArray array]];
for (NSUInteger idx = 0; idx < self.numberOfColumns; idx++) {
[_columnHeights[section] addObject:@(top)];
}
CGFloat columnWidth = [self _columnWidthForSection:section];
[_itemAttributes addObject:[NSMutableArray array]];
for (NSUInteger idx = 0; idx < numberOfItems; idx++) {
NSUInteger columnIndex = [self _shortestColumnIndexInSection:section];
NSIndexPath *indexPath = [NSIndexPath indexPathForItem:idx inSection:section];
CGSize itemSize = [self _itemSizeAtIndexPath:indexPath];
CGFloat xOffset = _sectionInset.left + (columnWidth + _columnSpacing) * columnIndex;
CGFloat yOffset = [_columnHeights[section][columnIndex] floatValue];
UICollectionViewLayoutAttributes *attributes = [UICollectionViewLayoutAttributes
layoutAttributesForCellWithIndexPath:indexPath];
attributes.frame = CGRectMake(xOffset, yOffset, itemSize.width, itemSize.height);
_columnHeights[section][columnIndex] = @(CGRectGetMaxY(attributes.frame) + _interItemSpacing.bottom);
[_itemAttributes[section] addObject:attributes];
[_allAttributes addObject:attributes];
}
NSUInteger columnIndex = [self _tallestColumnIndexInSection:section];
top = [_columnHeights[section][columnIndex] floatValue] - _interItemSpacing.bottom + _sectionInset.bottom;
for (NSUInteger idx = 0; idx < [_columnHeights[section] count]; idx++) {
_columnHeights[section][idx] = @(top);
}
}
}
- (NSArray *)layoutAttributesForElementsInRect:(CGRect)rect
{
NSMutableArray *includedAttributes = [NSMutableArray array];
// Slow search for small batches
for (UICollectionViewLayoutAttributes *attributes in _allAttributes) {
if (CGRectIntersectsRect(attributes.frame, rect)) {
[includedAttributes addObject:attributes];
}
}
return includedAttributes;
}
- (UICollectionViewLayoutAttributes *)layoutAttributesForItemAtIndexPath:(NSIndexPath *)indexPath
{
if (indexPath.section >= _itemAttributes.count) {
return nil;
} else if (indexPath.item >= [_itemAttributes[indexPath.section] count]) {
return nil;
}
return _itemAttributes[indexPath.section][indexPath.item];
}
- (UICollectionViewLayoutAttributes *)layoutAttributesForSupplementaryViewOfKind:(NSString *)elementKind atIndexPath:(NSIndexPath *)indexPath
{
if ([elementKind isEqualToString:UICollectionElementKindSectionHeader]) {
return _headerAttributes[@(indexPath.section)];
}
return nil;
}
- (BOOL)shouldInvalidateLayoutForBoundsChange:(CGRect)newBounds
{
if (!CGRectEqualToRect(self.collectionView.bounds, newBounds)) {
return YES;
}
return NO;
}
- (CGFloat)_widthForSection:(NSUInteger)section
{
return self.collectionView.bounds.size.width - _sectionInset.left - _sectionInset.right;
}
- (CGFloat)_columnWidthForSection:(NSUInteger)section
{
return ([self _widthForSection:section] - ((_numberOfColumns - 1) * _columnSpacing)) / _numberOfColumns;
}
- (CGSize)_itemSizeAtIndexPath:(NSIndexPath *)indexPath
{
CGSize size = CGSizeMake([self _columnWidthForSection:indexPath.section], 0);
CGSize originalSize = [[self _delegate] collectionView:self.collectionView layout:self originalItemSizeAtIndexPath:indexPath];
if (originalSize.height > 0 && originalSize.width > 0) {
size.height = originalSize.height / originalSize.width * size.width;
}
return size;
}
- (CGSize)_headerSizeForSection:(NSUInteger)section
{
return CGSizeMake([self _widthForSection:section], _headerHeight);
}
- (CGSize)collectionViewContentSize
{
CGFloat height = [[[_columnHeights lastObject] firstObject] floatValue];
return CGSizeMake(self.collectionView.bounds.size.width, height);
}
- (NSUInteger)_tallestColumnIndexInSection:(NSUInteger)section
{
__block NSUInteger index = 0;
__block CGFloat tallestHeight = 0;
[_columnHeights[section] enumerateObjectsUsingBlock:^(NSNumber *height, NSUInteger idx, BOOL *stop) {
if (height.floatValue > tallestHeight) {
index = idx;
tallestHeight = height.floatValue;
}
}];
return index;
}
- (NSUInteger)_shortestColumnIndexInSection:(NSUInteger)section
{
__block NSUInteger index = 0;
__block CGFloat shortestHeight = CGFLOAT_MAX;
[_columnHeights[section] enumerateObjectsUsingBlock:^(NSNumber *height, NSUInteger idx, BOOL *stop) {
if (height.floatValue < shortestHeight) {
index = idx;
shortestHeight = height.floatValue;
}
}];
return index;
}
- (id<MosaicCollectionViewLayoutDelegate>)_delegate
{
return (id<MosaicCollectionViewLayoutDelegate>)self.collectionView.delegate;
}
@end
@implementation MosaicCollectionViewLayoutInspector
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
{
MosaicCollectionViewLayout *layout = (MosaicCollectionViewLayout *)[collectionView collectionViewLayout];
return ASSizeRangeMake(CGSizeZero, [layout _itemSizeAtIndexPath:indexPath]);
}
- (ASSizeRange)collectionView:(ASCollectionView *)collectionView constrainedSizeForSupplementaryNodeOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
MosaicCollectionViewLayout *layout = (MosaicCollectionViewLayout *)[collectionView collectionViewLayout];
return ASSizeRangeMake(CGSizeZero, [layout _headerSizeForSection:indexPath.section]);
}
/**
* Asks the inspector for the number of supplementary sections in the collection view for the given kind.
*/
- (NSUInteger)collectionView:(ASCollectionView *)collectionView numberOfSectionsForSupplementaryNodeOfKind:(NSString *)kind
{
if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
return [[collectionView asyncDataSource] numberOfSectionsInCollectionView:collectionView];
} else {
return 0;
}
}
/**
* Asks the inspector for the number of supplementary views for the given kind in the specified section.
*/
- (NSUInteger)collectionView:(ASCollectionView *)collectionView supplementaryNodesOfKind:(NSString *)kind inSection:(NSUInteger)section
{
if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
return 1;
} else {
return 0;
}
}
@end

View File

@ -0,0 +1,18 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import <AsyncDisplayKit/AsyncDisplayKit.h>
@interface SupplementaryNode : ASCellNode
- (instancetype)initWithText:(NSString *)text;
@end

View File

@ -0,0 +1,52 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import "SupplementaryNode.h"
#import <AsyncDisplayKit/ASDisplayNode+Subclasses.h>
#import <AsyncDisplayKit/ASInsetLayoutSpec.h>
#import <AsyncDisplayKit/ASCenterLayoutSpec.h>
@implementation SupplementaryNode {
ASTextNode *_textNode;
}
- (instancetype)initWithText:(NSString *)text
{
self = [super init];
if (self != nil) {
_textNode = [[ASTextNode alloc] init];
_textNode.attributedString = [[NSAttributedString alloc] initWithString:text
attributes:[self textAttributes]];
[self addSubnode:_textNode];
}
return self;
}
- (ASLayoutSpec *)layoutSpecThatFits:(ASSizeRange)constrainedSize
{
ASCenterLayoutSpec *center = [[ASCenterLayoutSpec alloc] init];
center.centeringOptions = ASCenterLayoutSpecCenteringY;
center.child = _textNode;
return center;
}
#pragma mark - Text Formatting
- (NSDictionary *)textAttributes
{
return @{
NSFontAttributeName: [UIFont preferredFontForTextStyle:UIFontTextStyleHeadline],
NSForegroundColorAttributeName: [UIColor grayColor],
};
}
@end

View File

@ -0,0 +1,16 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
@end

View File

@ -0,0 +1,117 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import "ViewController.h"
#import <AsyncDisplayKit/AsyncDisplayKit.h>
#import "MosaicCollectionViewLayout.h"
#import "SupplementaryNode.h"
#import "ImageCellNode.h"
static NSUInteger kNumberOfImages = 14;
@interface ViewController () <ASCollectionViewDataSource, MosaicCollectionViewLayoutDelegate>
{
NSMutableArray *_sections;
ASCollectionView *_collectionView;
MosaicCollectionViewLayoutInspector *_layoutInspector;
}
@end
@implementation ViewController
#pragma mark -
#pragma mark UIViewController.
- (instancetype)init
{
if (!(self = [super init]))
return nil;
_sections = [NSMutableArray array];
[_sections addObject:[NSMutableArray array]];
for (NSUInteger idx = 0, section = 0; idx < kNumberOfImages; idx++) {
NSString *name = [NSString stringWithFormat:@"image_%lu.jpg", (unsigned long)idx];
[_sections[section] addObject:[UIImage imageNamed:name]];
if ((idx + 1) % 5 == 0 && idx < kNumberOfImages - 1) {
section++;
[_sections addObject:[NSMutableArray array]];
}
}
MosaicCollectionViewLayout *layout = [[MosaicCollectionViewLayout alloc] init];
layout.numberOfColumns = 2;
layout.headerHeight = 44.0;
_layoutInspector = [[MosaicCollectionViewLayoutInspector alloc] init];
_collectionView = [[ASCollectionView alloc] initWithFrame:CGRectZero collectionViewLayout:layout asyncDataFetching:YES];
_collectionView.asyncDataSource = self;
_collectionView.asyncDelegate = self;
_collectionView.layoutInspector = _layoutInspector;
_collectionView.backgroundColor = [UIColor whiteColor];
[_collectionView registerSupplementaryNodeOfKind:UICollectionElementKindSectionHeader];
return self;
}
- (void)viewDidLoad
{
[super viewDidLoad];
[self.view addSubview:_collectionView];
}
- (void)viewWillLayoutSubviews
{
_collectionView.frame = self.view.bounds;
}
- (BOOL)prefersStatusBarHidden
{
return YES;
}
- (void)reloadTapped
{
[_collectionView reloadData];
}
#pragma mark -
#pragma mark ASCollectionView data source.
- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return [[ImageCellNode alloc] initWithImage:_sections[indexPath.section][indexPath.item]];
}
- (ASCellNode *)collectionView:(ASCollectionView *)collectionView nodeForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
NSString *text = [NSString stringWithFormat:@"Section %d", (int)indexPath.section + 1];
return [[SupplementaryNode alloc] initWithText:text];
}
- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
return _sections.count;
}
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
return [_sections[section] count];
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout originalItemSizeAtIndexPath:(NSIndexPath *)indexPath
{
return [(UIImage *)_sections[indexPath.section][indexPath.item] size];
}
@end

View File

@ -0,0 +1,19 @@
/* This file provided by Facebook is for non-commercial testing and evaluation
* purposes only. Facebook reserves all rights not expressly granted.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#import <UIKit/UIKit.h>
#import "AppDelegate.h"
int main(int argc, char * argv[]) {
@autoreleasepool {
return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
}
}