Bug 1293512 - Support QR Code on iOS (#2737)

* Bug 1293512 - Support QR Code on iOS

* Prevent QR scanner menu item from appearing on devices without a video capture device (e.g. simulator).

Client.xcodeproj/project.pbxproj

@@ -749,6 +749,8 @@
 		FA6B2AC21D41F02D00429414 /* Punycode.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA6B2AC11D41F02D00429414 /* Punycode.swift */; };
 		FA6B2AC31D41F02D00429414 /* Punycode.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA6B2AC11D41F02D00429414 /* Punycode.swift */; };
 		FA6B2AC41D41F02D00429414 /* Punycode.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA6B2AC11D41F02D00429414 /* Punycode.swift */; };
+		FA9293D41D6580E100AC8D33 /* QRCodeViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = FA9293D31D6580E100AC8D33 /* QRCodeViewController.swift */; };
+		FA9294011D6584A200AC8D33 /* QRCode.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = FA9294001D6584A200AC8D33 /* QRCode.xcassets */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -1965,6 +1967,8 @@
 		F8708D261A0970990051AB07 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		F8708D291A0970990051AB07 /* ShareViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ShareViewController.swift; sourceTree = "<group>"; };
 		FA6B2AC11D41F02D00429414 /* Punycode.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Punycode.swift; sourceTree = "<group>"; };
+		FA9293D31D6580E100AC8D33 /* QRCodeViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = QRCodeViewController.swift; sourceTree = "<group>"; };
+		FA9294001D6584A200AC8D33 /* QRCode.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; path = QRCode.xcassets; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -3047,6 +3051,8 @@
 				74821FC41DB56A2500EEEA72 /* OpenWithSettingsViewController.swift */,
 				7482205B1DBAB56300EEEA72 /* MailProviders.swift */,
 				744ED5601DBFEB8D00A2B5BE /* MailtoLinkHandler.swift */,
+				FA9293D31D6580E100AC8D33 /* QRCodeViewController.swift */,
+				FA9294001D6584A200AC8D33 /* QRCode.xcassets */,
 			);
 			path = Browser;
 			sourceTree = "<group>";
@@ -4809,6 +4815,7 @@
 				3B4262E51E538EC400CA681C /* MetadataHelper.js in Resources */,
 				E47536FC1C85415F0022CC69 /* PrintHelper.js in Resources */,
 				74821FFE1DB6D3AC00EEEA72 /* MailSchemes.plist in Resources */,
+				FA9294011D6584A200AC8D33 /* QRCode.xcassets in Resources */,
 				D308EE561CBF0BF5006843F2 /* CertError.css in Resources */,
 				E4B7B7641A793CF20022C5E0 /* CharisSILR.ttf in Resources */,
 				D3BA7E0C1B0E902A00153782 /* ContextMenu.js in Resources */,
@@ -5420,6 +5427,7 @@
 				E689C6FA1E0C6E98008BAADB /* FxAContentViewController.swift in Sources */,
 				C4E3983D1D21F1E7004E89BA /* TopTabsViews.swift in Sources */,
 				3B0943811D6CC4FC004F24E1 /* FilledPageControl.swift in Sources */,
+				FA9293D41D6580E100AC8D33 /* QRCodeViewController.swift in Sources */,
 				0BB5B2891AC0A2B90052877D /* Toolbar.swift in Sources */,
 				E6108FF91C84E91C005D25E8 /* BasePasscodeViewController.swift in Sources */,
 				E4CD9F2D1A6DC91200318571 /* TabLocationView.swift in Sources */,

Client/Frontend/Browser/BrowserViewController.swift

@@ -1423,6 +1423,8 @@ extension BrowserViewController: MenuActionDelegate {
                 NightModeHelper.setNightMode(self.profile.prefs, tabManager: self.tabManager, enabled: false)
             case .hideNightMode:
                 NightModeHelper.setNightMode(self.profile.prefs, tabManager: self.tabManager, enabled: true)
+            case .openQRCode:
+                self.openQRCode()
             case .openSettings:
                 self.openSettings()
             case .openTopSites:
@@ -1458,6 +1460,20 @@ extension BrowserViewController: MenuActionDelegate {
         default: break
         }
     }
+
+    fileprivate func openQRCode() {
+        let qrCodeViewController = QRCodeViewController()
+        qrCodeViewController.qrCodeDelegate = self
+        let controller = UINavigationController(rootViewController: qrCodeViewController)
+        self.present(controller, animated: true, completion: nil)
+    }
+}
+
+extension BrowserViewController: QRCodeViewControllerDelegate {
+    func scanSuccessOpenNewTabWithData(data: String) {
+        self.openBlankNewTab()
+        self.urlBar(self.urlBar, didSubmitText: data)
+    }
 }
 
 extension BrowserViewController: SettingsDelegate {

Client/Frontend/Browser/QRCode.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Client/Frontend/Browser/QRCode.xcassets/qrcode-goBack.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-goBack.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-goBack@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-goBack@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Client/Frontend/Browser/QRCode.xcassets/qrcode-isLighting.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-isLighting.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-isLighting@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-isLighting@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Client/Frontend/Browser/QRCode.xcassets/qrcode-light.imageset/Contents.json

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-light.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-light@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "qrcode-light@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

Client/Frontend/Browser/QRCode.xcassets/qrcode-scanBorder.imageset/Contents.json

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

Client/Frontend/Browser/QRCode.xcassets/qrcode-scanLine.imageset/Contents.json

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