Extension safety (#74)

* Improve Markymark's way of URL opening by allowing customisation of the url opening behavior.
- Support running Extensions and using extensionContext to open url's
- Support i.e. opening urls in a internal Safari View Controller instead of the open url behavior

Example/Podfile

@@ -7,4 +7,9 @@ end
 target 'markymark_Tests' do
     inherit! :search_paths
     pod 'markymark', :path => '../'
-end
+end
+
+target 'TodayExtension' do
+    inherit! :search_paths
+    pod 'markymark', :path => '../'
+end

Example/Podfile.lock

@@ -1,16 +1,16 @@
 PODS:
-  - markymark (7.1)
+  - markymark (8.0.0)
 
 DEPENDENCIES:
   - markymark (from `../`)
 
 EXTERNAL SOURCES:
   markymark:
-    :path: ../
+    :path: "../"
 
 SPEC CHECKSUMS:
-  markymark: 2dbd0f000579b1992d0e6355d5cdd83b097d03f7
+  markymark: 47a730450bc0c583f877a26ba3d77c3f7f930059
 
-PODFILE CHECKSUM: 702819c9a9352a2969fd49865aabe1f21e7c3404
+PODFILE CHECKSUM: b777cb29f5ff9935c02362ec42fa8a45e73dcf8f
 
-COCOAPODS: 1.4.0
+COCOAPODS: 1.5.3

Example/TodayExtension/Base.lproj/MainInterface.storyboard

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="14460.31" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="M4Y-Lb-cyx">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="14460.20"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--Today View Controller-->
+        <scene sceneID="cwh-vc-ff4">
+            <objects>
+                <viewController id="M4Y-Lb-cyx" customClass="TodayViewController" customModule="TodayExtension" customModuleProvider="target" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" simulatedAppContext="notificationCenter" id="S3S-Oj-5AN">
+                        <rect key="frame" x="0.0" y="0.0" width="320" height="37"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <subviews>
+                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="rR0-pe-hmH" customClass="MarkDownTextView" customModule="markymark">
+                                <rect key="frame" x="0.0" y="0.0" width="320" height="37"/>
+                                <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                            </view>
+                        </subviews>
+                        <constraints>
+                            <constraint firstItem="ssy-KU-ocm" firstAttribute="bottom" secondItem="rR0-pe-hmH" secondAttribute="bottom" id="Sgy-ET-v8k"/>
+                            <constraint firstItem="rR0-pe-hmH" firstAttribute="top" secondItem="ssy-KU-ocm" secondAttribute="top" id="Vos-mV-XS2"/>
+                            <constraint firstItem="rR0-pe-hmH" firstAttribute="leading" secondItem="ssy-KU-ocm" secondAttribute="leading" id="cx4-WT-whY"/>
+                            <constraint firstItem="ssy-KU-ocm" firstAttribute="trailing" secondItem="rR0-pe-hmH" secondAttribute="trailing" id="hLA-Yo-WJ4"/>
+                        </constraints>
+                        <viewLayoutGuide key="safeArea" id="ssy-KU-ocm"/>
+                    </view>
+                    <extendedEdge key="edgesForExtendedLayout"/>
+                    <freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
+                    <size key="freeformSize" width="320" height="37"/>
+                    <connections>
+                        <outlet property="markDownTextView" destination="rR0-pe-hmH" id="EZ1-yL-blg"/>
+                    </connections>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="vXp-U4-Rya" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="137.59999999999999" y="129.98500749625188"/>
+        </scene>
+    </scenes>
+</document>

Example/TodayExtension/Info.plist

@@ -0,0 +1,31 @@
+<?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>$(DEVELOPMENT_LANGUAGE)</string>
+	<key>CFBundleDisplayName</key>
+	<string>TodayExtension</string>
+	<key>CFBundleExecutable</key>
+	<string>$(EXECUTABLE_NAME)</string>
+	<key>CFBundleIdentifier</key>
+	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>$(PRODUCT_NAME)</string>
+	<key>CFBundlePackageType</key>
+	<string>XPC!</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>NSExtension</key>
+	<dict>
+		<key>NSExtensionMainStoryboard</key>
+		<string>MainInterface</string>
+		<key>NSExtensionPointIdentifier</key>
+		<string>com.apple.widget-extension</string>
+	</dict>
+</dict>
+</plist>

Example/TodayExtension/TodayViewController.swift

@@ -0,0 +1,28 @@
+//
+//  TodayViewController.swift
+//  TodayExtension
+//
+//  Created by Jim van Zummeren on 21/11/2018.
+//  Copyright © 2018 CocoaPods. All rights reserved.
+//
+
+import UIKit
+import NotificationCenter
+import markymark
+
+class TodayViewController: UIViewController, NCWidgetProviding {
+
+    @IBOutlet var markDownTextView: MarkDownTextView?
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        markDownTextView?.text = """
+        # Some header
+        A paragraph with a **link** to [Google](https://www.google.com)
+        
+        """
+
+        markDownTextView?.urlOpener = ExtensionContextURLOpener(extensionContext: self.extensionContext)
+    }
+}
+