Native App-to-Web Browser Handoff.

For thread lists, posts, and PMs.
Awful · Oct 22, 2014 · a040e5c · a040e5c
1 parent 043f3e8
commit a040e5c
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Showing 9 changed files with 166 additions and 1 deletion.
diff --git a/Source/Main/AwfulAppDelegate.m b/Source/Main/AwfulAppDelegate.m
@@ -22,6 +22,7 @@
 #import "AwfulWaffleimagesURLProtocol.h"
 #import <Crashlytics/Crashlytics.h>
 #import <GRMustache/GRMustache.h>
+#import "Handoff.h"
 #import <Smilies/Smilies.h>
 #import "Awful-Swift.h"
 
@@ -371,4 +372,14 @@ - (BOOL)application:(UIApplication *)application
     return [self openAwfulURL:URL];
 }
 
+#pragma mark Handoff
+
+- (void)application:(UIApplication *)application didUpdateUserActivity:(NSUserActivity *)userActivity
+{
+    // Bit of future-proofing.
+    [userActivity addUserInfoEntriesFromDictionary:@{HandoffInfoVersionKey: @(HandoffVersion)}];
+}
+
+static const NSInteger HandoffVersion = 1;
+
 @end
diff --git a/Source/Main/Handoff.h b/Source/Main/Handoff.h
@@ -0,0 +1,21 @@
+//  Handoff.h
+//
+//  Copyright 2014 Awful Contributors. CC BY-NC-SA 3.0 US https://github.com/Awful/Awful.app
+
+#import <Foundation/Foundation.h>
+
+extern NSString * const HandoffInfoVersionKey;
+
+extern NSString * const HandoffActivityTypeBrowsingPosts;
+extern NSString * const HandoffInfoThreadIDKey;
+extern NSString * const HandoffInfoPostIDKey;
+extern NSString * const HandoffInfoFilteredThreadUserIDKey;
+
+extern NSString * const HandoffActivityTypeListingThreads;
+extern NSString * const HandoffInfoForumIDKey;
+extern NSString * const HandoffInfoBookmarksKey;
+
+extern NSString * const HandoffActivityTypeReadingMessage;
+extern NSString * const HandoffInfoMessageIDKey;
+
+extern NSString * const HandoffInfoPageKey;
diff --git a/Source/Main/Handoff.m b/Source/Main/Handoff.m
@@ -0,0 +1,21 @@
+//  Handoff.m
+//
+//  Copyright 2014 Awful Contributors. CC BY-NC-SA 3.0 US https://github.com/Awful/Awful.app
+
+#import "Handoff.h"
+
+NSString * const HandoffInfoVersionKey = @"version";
+
+NSString * const HandoffActivityTypeBrowsingPosts = @"com.awfulapp.Awful.activity.browsing-posts";
+NSString * const HandoffInfoThreadIDKey = @"threadID";
+NSString * const HandoffInfoPostIDKey = @"postID";
+NSString * const HandoffInfoFilteredThreadUserIDKey = @"filteredUserID";
+
+NSString * const HandoffActivityTypeListingThreads = @"com.awfulapp.Awful.activity.listing-threads";
+NSString * const HandoffInfoForumIDKey = @"forumID";
+NSString * const HandoffInfoBookmarksKey = @"bookmarks";
+
+NSString * const HandoffActivityTypeReadingMessage = @"com.awfulapp.Awful.activity.reading-message";
+NSString * const HandoffInfoMessageIDKey = @"messageID";
+
+NSString * const HandoffInfoPageKey = @"page";
diff --git a/Source/Posts/PostsPageViewController.m b/Source/Posts/PostsPageViewController.m
@@ -20,7 +20,8 @@
 #import "AwfulWebViewNetworkActivityIndicatorManager.h"
 #import "BrowserViewController.h"
 #import <Crashlytics/Crashlytics.h>
-#import <GRMustache.h>
+#import <GRMustache/GRMustache.h>
+#import "Handoff.h"
 #import "MessageComposeViewController.h"
 #import <MRProgress/MRProgressOverlayView.h>
 #import "PostComposeViewController.h"
@@ -150,6 +151,8 @@ - (void)loadPage:(NSInteger)page updatingCache:(BOOL)updateCache
 
     [self updateUserInterface];
 
+    [self configureUserActivityIfPossible];
+
     if (!updateCache) {
         [self clearLoadingMessage];
         return;
@@ -194,6 +197,8 @@ - (void)loadPage:(NSInteger)page updatingCache:(BOOL)updateCache
 
         if (error) return;
 
+        [self configureUserActivityIfPossible];
+
         if (self.hiddenPosts == 0 && firstUnreadPost != NSNotFound) {
             self.hiddenPosts = firstUnreadPost;
         }
@@ -1008,6 +1013,44 @@ - (void)viewDidAppear:(BOOL)animated
         __typeof__(self) self = weakSelf;
         [self loadNextPageOrRefresh];
     } position:SVPullToRefreshPositionBottom];
+
+    [self configureUserActivityIfPossible];
+}
+
+- (void)configureUserActivityIfPossible
+{
+    if (self.page >= 1) {
+        self.userActivity = [[NSUserActivity alloc] initWithActivityType:HandoffActivityTypeBrowsingPosts];
+        self.userActivity.needsSave = YES;
+    } else {
+        self.userActivity = nil;
+    }
+}
+
+- (void)updateUserActivityState:(NSUserActivity *)activity
+{
+    activity.title = self.thread.title;
+    [activity addUserInfoEntriesFromDictionary:@{HandoffInfoThreadIDKey: self.thread.threadID,
+                                                 HandoffInfoPageKey: @(self.page)}];
+    if (self.author) {
+        [activity addUserInfoEntriesFromDictionary:@{HandoffInfoFilteredThreadUserIDKey: self.author.userID}];
+    }
+
+    NSMutableString *relativeString = [NSMutableString new];
+    [relativeString appendFormat:@"/showthread.php?threadid=%@&perpage=40", self.thread.threadID];
+    if (self.page > 1) {
+        [relativeString appendFormat:@"&pagenumber=%@", @(self.page)];
+    }
+    if (self.author) {
+        [relativeString appendFormat:@"&userid=%@", self.author.userID];
+    }
+    activity.webpageURL = [NSURL URLWithString:relativeString relativeToURL:[AwfulForumsClient client].baseURL];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+    [super viewDidDisappear:animated];
+    self.userActivity = nil;
 }
 
 #pragma mark - AwfulComposeTextViewControllerDelegate

diff --git a/Source/Private Messages/MessageViewController.m b/Source/Private Messages/MessageViewController.m
@@ -16,6 +16,7 @@
 #import "AwfulWebViewNetworkActivityIndicatorManager.h"
 #import "BrowserViewController.h"
 #import <GRMustache/GRMustache.h>
+#import "Handoff.h"
 #import "MessageComposeViewController.h"
 #import "RapSheetViewController.h"
 #import <TUSafariActivity/TUSafariActivity.h>
@@ -319,6 +320,7 @@ - (void)viewDidLoad
             [self renderMessage];
             [self.loadingView removeFromSuperview];
             self.loadingView = nil;
+            self.userActivity.needsSave = YES;
         }];
     } else {
         [self renderMessage];
@@ -337,6 +339,28 @@ - (void)themeDidChange
     self.loadingView.tintColor = theme[@"backgroundColor"];
 }
 
+- (void)viewDidAppear:(BOOL)animated
+{
+    [super viewDidAppear:animated];
+    self.userActivity = [[NSUserActivity alloc] initWithActivityType:HandoffActivityTypeReadingMessage];
+    self.userActivity.needsSave = YES;
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+    [super viewDidDisappear:animated];
+    self.userActivity = nil;
+}
+
+- (void)updateUserActivityState:(NSUserActivity *)activity
+{
+    [activity addUserInfoEntriesFromDictionary:@{HandoffInfoMessageIDKey: self.privateMessage.messageID}];
+    NSString *subject = self.privateMessage.subject;
+    activity.title = subject.length > 0 ? subject : @"Private Message";
+    activity.webpageURL = [NSURL URLWithString:[NSString stringWithFormat:@"/private.php?action=show&privatemessageid=%@", self.privateMessage.messageID]
+                                 relativeToURL:[AwfulForumsClient client].baseURL];
+}
+
 #pragma mark - UIWebViewDelegate
 
 - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType

diff --git a/Source/Threads/BookmarkedThreadListViewController.m b/Source/Threads/BookmarkedThreadListViewController.m
@@ -7,6 +7,7 @@
 #import "AwfulModels.h"
 #import "AwfulRefreshMinder.h"
 #import "AwfulSettings.h"
+#import "Handoff.h"
 #import <SVPullToRefresh/SVPullToRefresh.h>
 #import "Awful-Swift.h"
 
@@ -84,6 +85,8 @@ - (void)viewDidAppear:(BOOL)animated
 {
     [super viewDidAppear:animated];
     [self refreshIfNecessary];
+    self.userActivity = [[NSUserActivity alloc] initWithActivityType:HandoffActivityTypeListingThreads];
+    self.userActivity.needsSave = YES;
 }
 
 - (void)refreshIfNecessary
@@ -118,6 +121,19 @@ - (void)loadPage:(NSInteger)page
     }];
 }
 
+- (void)updateUserActivityState:(NSUserActivity *)activity
+{
+    activity.title = @"Bookmarked Threads";
+    [activity addUserInfoEntriesFromDictionary:@{HandoffInfoBookmarksKey: @YES}];
+    activity.webpageURL = [NSURL URLWithString:@"/bookmarkthreads.php" relativeToURL:[AwfulForumsClient client].baseURL];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+    [super viewDidDisappear:animated];
+    self.userActivity = nil;
+}
+
 #pragma mark - AwfulFetchedResultsControllerDataSourceDelegate
 
 - (BOOL)canDeleteObject:(id)object atIndexPath:(NSIndexPath *)indexPath

diff --git a/Source/Threads/ThreadListViewController.m b/Source/Threads/ThreadListViewController.m
@@ -12,6 +12,7 @@
 #import "AwfulSettings.h"
 #import "AwfulThreadTagLoader.h"
 #import "AwfulThreadTagPickerController.h"
+#import "Handoff.h"
 #import "PostsPageViewController.h"
 #import <SVPullToRefresh/SVPullToRefresh.h>
 #import "Awful-Swift.h"
@@ -166,6 +167,8 @@ - (void)viewDidAppear:(BOOL)animated
     NSFetchedResultsController *fetchedResultsController = self.threadDataSource.fetchedResultsController;
     self.tableView.showsInfiniteScrolling = fetchedResultsController.fetchedObjects.count > 0;
     [self refreshIfNecessary];
+    self.userActivity = [[NSUserActivity alloc] initWithActivityType:HandoffActivityTypeListingThreads];
+    self.userActivity.needsSave = YES;
 }
 
 - (void)refreshIfNecessary
@@ -211,6 +214,20 @@ - (void)loadPage:(NSInteger)page
     }];
 }
 
+- (void)updateUserActivityState:(NSUserActivity *)activity
+{
+    activity.title = self.forum.name;
+    [activity addUserInfoEntriesFromDictionary:@{HandoffInfoForumIDKey: self.forum.forumID}];
+    activity.webpageURL = [NSURL URLWithString:[NSString stringWithFormat:@"/forumdisplay.php?forumid=%@", self.forum.forumID]
+                                 relativeToURL:[AwfulForumsClient client].baseURL];
+}
+
+- (void)viewDidDisappear:(BOOL)animated
+{
+    [super viewDidDisappear:animated];
+    self.userActivity = nil;
+}
+
 #pragma mark - AwfulThreadTableViewController
 
 - (AwfulTheme *)theme

diff --git a/Xcode/Awful.xcodeproj/project.pbxproj b/Xcode/Awful.xcodeproj/project.pbxproj
@@ -28,6 +28,7 @@
 		1C270ABE16E0773300883DAA /* AwfulComposeField.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C270ABD16E0773300883DAA /* AwfulComposeField.m */; };
 		1C28B3501729DDDA00254EE7 /* AwfulIconActionItem.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C28B34F1729DDDA00254EE7 /* AwfulIconActionItem.m */; };
 		1C28B3591729F38400254EE7 /* AwfulIconActionCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C28B3581729F38400254EE7 /* AwfulIconActionCell.m */; };
+		1C2D20C419F74FC800F64577 /* Handoff.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C2D20C319F74FC800F64577 /* Handoff.m */; };
 		1C3447C9174D728B007377C5 /* AwfulThreadTagView.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C3447C7174D7284007377C5 /* AwfulThreadTagView.m */; };
 		1C3447D2174D9B01007377C5 /* AwfulThreadTagButton.m in Sources */ = {isa = PBXBuildFile; fileRef = 1C3447D1174D9B01007377C5 /* AwfulThreadTagButton.m */; };
 		1C3447DD175D2D5E007377C5 /* Settings.bundle in Resources */ = {isa = PBXBuildFile; fileRef = 1C3447DC175D2D5E007377C5 /* Settings.bundle */; };
@@ -443,6 +444,8 @@
 		1C28B34F1729DDDA00254EE7 /* AwfulIconActionItem.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; lineEnding = 0; path = AwfulIconActionItem.m; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objc; };
 		1C28B3571729F38400254EE7 /* AwfulIconActionCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AwfulIconActionCell.h; sourceTree = "<group>"; };
 		1C28B3581729F38400254EE7 /* AwfulIconActionCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AwfulIconActionCell.m; sourceTree = "<group>"; };
+		1C2D20C219F74FC800F64577 /* Handoff.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Handoff.h; sourceTree = "<group>"; };
+		1C2D20C319F74FC800F64577 /* Handoff.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Handoff.m; sourceTree = "<group>"; };
 		1C3447C6174D7284007377C5 /* AwfulThreadTagView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AwfulThreadTagView.h; sourceTree = "<group>"; };
 		1C3447C7174D7284007377C5 /* AwfulThreadTagView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = AwfulThreadTagView.m; sourceTree = "<group>"; };
 		1C3447D0174D9B01007377C5 /* AwfulThreadTagButton.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AwfulThreadTagButton.h; sourceTree = "<group>"; };
@@ -924,6 +927,8 @@
 				1CBE1B1119CAAFA200510187 /* AwfulSplitViewController.swift */,
 				1C89A79218AF4DA500D75854 /* EmptyViewController.h */,
 				1C89A79318AF4DA500D75854 /* EmptyViewController.m */,
+				1C2D20C219F74FC800F64577 /* Handoff.h */,
+				1C2D20C319F74FC800F64577 /* Handoff.m */,
 				1CDD0A4619B7D89B009811C4 /* LaunchScreen.storyboard */,
 				1190F7F213BE4EDA00B9D271 /* main.m */,
 				1190F7F113BE4EDA00B9D271 /* Prefix.pch */,
@@ -2368,6 +2373,7 @@
 				1C8D116319B3F69D005D46CB /* ThreadCell.swift in Sources */,
 				1C9A746118EA62F900093E33 /* AwfulUnreadPrivateMessageCountScraper.m in Sources */,
 				1CE2D9D9166ABD0D0024AC1C /* AwfulNavigationBar.m in Sources */,
+				1C2D20C419F74FC800F64577 /* Handoff.m in Sources */,
 				1CE2D9DC166ABD0D0024AC1C /* NSFileManager+UserDirectories.m in Sources */,
 				1CD82F2D19428D0900B0C5BD /* AwfulImageURLProtocol.m in Sources */,
 				1CBE1B1219CAAFA200510187 /* AwfulSplitViewController.swift in Sources */,

diff --git a/Xcode/Info.plist b/Xcode/Info.plist
@@ -44,6 +44,12 @@
 	<string>4db466addcb5cfc</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSUserActivityTypes</key>
+	<array>
+		<string>com.awfulapp.Awful.activity.browsing-posts</string>
+		<string>com.awfulapp.Awful.activity.listing-threads</string>
+		<string>com.awfulapp.Awful.activity.reading-message</string>
+	</array>
 	<key>UIInterfaceOrientation</key>
 	<string>UIInterfaceOrientationPortrait</string>
 	<key>UILaunchStoryboardName</key>