Adds “Send Feedback” option in settings

AltStore/Settings/Settings.storyboard

@@ -402,9 +402,42 @@
                             </tableViewSection>
                             <tableViewSection headerTitle="" id="OMa-EK-hRI">
                                 <cells>
-                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" rowHeight="51" id="Qca-pU-sJh" customClass="InsetGroupTableViewCell" customModule="AltStore" customModuleProvider="target">
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" rowHeight="51" id="FMZ-as-Ljo" customClass="InsetGroupTableViewCell" customModule="AltStore" customModuleProvider="target">
                                         <rect key="frame" x="0.0" y="761" width="375" height="51"/>
                                         <autoresizingMask key="autoresizingMask"/>
+                                        <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="FMZ-as-Ljo" id="JzL-Of-A3T">
+                                            <rect key="frame" x="0.0" y="0.0" width="375" height="51"/>
+                                            <autoresizingMask key="autoresizingMask"/>
+                                            <subviews>
+                                                <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Send Feedback" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="pMI-Aj-nQF">
+                                                    <rect key="frame" x="30" y="15" width="126" height="21"/>
+                                                    <fontDescription key="fontDescription" type="boldSystem" pointSize="17"/>
+                                                    <color key="textColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                                    <nil key="highlightedColor"/>
+                                                </label>
+                                                <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFit" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="Next" translatesAutoresizingMaskIntoConstraints="NO" id="Jyy-x0-Owj">
+                                                    <rect key="frame" x="327" y="16.5" width="18" height="18"/>
+                                                </imageView>
+                                            </subviews>
+                                            <constraints>
+                                                <constraint firstAttribute="trailingMargin" secondItem="Jyy-x0-Owj" secondAttribute="trailing" id="9mO-VI-meg"/>
+                                                <constraint firstItem="pMI-Aj-nQF" firstAttribute="centerY" secondItem="JzL-Of-A3T" secondAttribute="centerY" id="al3-cu-ODw"/>
+                                                <constraint firstItem="Jyy-x0-Owj" firstAttribute="centerY" secondItem="JzL-Of-A3T" secondAttribute="centerY" id="iRY-bb-enw"/>
+                                                <constraint firstItem="pMI-Aj-nQF" firstAttribute="leading" secondItem="JzL-Of-A3T" secondAttribute="leadingMargin" id="wTn-2X-Qdg"/>
+                                            </constraints>
+                                        </tableViewCellContentView>
+                                        <color key="backgroundColor" white="1" alpha="0.14999999999999999" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                        <edgeInsets key="layoutMargins" top="8" left="30" bottom="8" right="30"/>
+                                        <userDefinedRuntimeAttributes>
+                                            <userDefinedRuntimeAttribute type="number" keyPath="style">
+                                                <integer key="value" value="1"/>
+                                            </userDefinedRuntimeAttribute>
+                                            <userDefinedRuntimeAttribute type="boolean" keyPath="isSelectable" value="YES"/>
+                                        </userDefinedRuntimeAttributes>
+                                    </tableViewCell>
+                                    <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" selectionStyle="default" indentationWidth="10" rowHeight="51" id="Qca-pU-sJh" customClass="InsetGroupTableViewCell" customModule="AltStore" customModuleProvider="target">
+                                        <rect key="frame" x="0.0" y="812" width="375" height="51"/>
+                                        <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" preservesSuperviewLayoutMargins="YES" insetsLayoutMarginsFromSafeArea="NO" tableViewCell="Qca-pU-sJh" id="QtU-8J-VQN">
                                             <rect key="frame" x="0.0" y="0.0" width="375" height="51"/>
                                             <autoresizingMask key="autoresizingMask"/>
@@ -430,7 +463,7 @@
                                         <edgeInsets key="layoutMargins" top="8" left="30" bottom="8" right="30"/>
                                         <userDefinedRuntimeAttributes>
                                             <userDefinedRuntimeAttribute type="number" keyPath="style">
-                                                <integer key="value" value="0"/>
+                                                <integer key="value" value="3"/>
                                             </userDefinedRuntimeAttribute>
                                             <userDefinedRuntimeAttribute type="boolean" keyPath="isSelectable" value="YES"/>
                                         </userDefinedRuntimeAttributes>
@@ -569,7 +602,7 @@
                             <textView clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="scaleToFill" preservesSuperviewLayoutMargins="YES" layoutMarginsFollowReadableWidth="YES" contentInsetAdjustmentBehavior="never" indicatorStyle="white" editable="NO" translatesAutoresizingMaskIntoConstraints="NO" id="oQQ-pR-oKc">
                                 <rect key="frame" x="0.0" y="64" width="375" height="554"/>
                                 <edgeInsets key="layoutMargins" top="8" left="30" bottom="8" right="30"/>
-                                <mutableString key="text">Jay Freeman (ldid) 
+                                <string key="text">Jay Freeman (ldid) 
 Copyright (C) 2007-2012 Jay Freeman (saurik)
 
 libimobiledevice
@@ -636,7 +669,7 @@ Kutuzov Viktor (mman-win32)
 Copyright (c) Kutuzov Viktor
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-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 THE AUTHORS OR COPYRIGHT HOLDERS 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.</mutableString>
+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 THE AUTHORS OR COPYRIGHT HOLDERS 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.</string>
                                 <color key="textColor" white="1" alpha="0.75" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 <fontDescription key="fontDescription" type="system" pointSize="15"/>
                                 <textInputTraits key="textInputTraits" autocapitalizationType="sentences"/>

AltStore/Settings/SettingsViewController.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import SafariServices
+import MessageUI
 
 extension SettingsViewController
 {
@@ -28,6 +29,12 @@ extension SettingsViewController
         case designer
         case softwareLicenses
     }
+    
+    fileprivate enum DebugRow: Int, CaseIterable
+    {
+        case sendFeedback
+        case refreshAttempts
+    }
 }
 
 class SettingsViewController: UITableViewController
@@ -290,7 +297,52 @@ extension SettingsViewController
                 break
             }
             
+        case .debug:
+            let row = DebugRow.allCases[indexPath.row]
+            switch row
+            {
+            case .sendFeedback:
+                if MFMailComposeViewController.canSendMail()
+                {
+                    let mailViewController = MFMailComposeViewController()
+                    mailViewController.mailComposeDelegate = self
+                    mailViewController.setToRecipients(["riley@rileytestut.com"])
+                    
+                    if let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String
+                    {
+                        mailViewController.setSubject("AltStore Beta \(version) Feedback")
+                    }
+                    else
+                    {
+                        mailViewController.setSubject("AltStore Beta Feedback")
+                    }
+                    
+                    self.present(mailViewController, animated: true, completion: nil)
+                }
+                else
+                {
+                    let toastView = ToastView(text: NSLocalizedString("Cannot Send Mail", comment: ""), detailText: nil)
+                    toastView.show(in: self.navigationController?.view ?? self.view, duration: 2.0)
+                }
+                
+            case .refreshAttempts: break
+            }
+            
         default: break
         }
     }
 }
+
+extension SettingsViewController: MFMailComposeViewControllerDelegate
+{
+    func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?)
+    {
+        if let error = error
+        {
+            let toastView = ToastView(text: error.localizedDescription, detailText: "")
+            toastView.show(in: self.navigationController?.view ?? self.view, duration: 2.0)
+        }
+        
+        controller.dismiss(animated: true, completion: nil)
+    }
+}