iOS Chromoting Client

remoting/ios/ui/pin_entry_view_controller.mm

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+#import "remoting/ios/ui/pin_entry_view_controller.h"
+
+#import "remoting/ios/utility.h"
+
+@interface PinEntryViewController (Private)
+- (void)setFrameForControls;
+@end
+
+@implementation PinEntryViewController
+
+@synthesize delegate = _delegate;
+@synthesize shouldPrompt = _shouldPrompt;
+@synthesize pairingSupported = _pairingSupported;
+
+// Override UIViewController
+- (id)initWithNibName:(NSString*)nibNameOrNil bundle:(NSBundle*)nibBundleOrNil {
+  // NibName is the * part of your *.xib file
+  self = [super initWithNibName:@"pin_entry_view_controller" bundle:nil];
+  if (self) {
+    // Custom initialization
+  }
+  return self;
+}
+
+// Override UIViewController
+// Controls are not created immediately, properties must be set before the form
+// is displayed
+- (void)viewWillAppear:(BOOL)animated {
+  _host.text = _hostName;
+  [_switchAskAgain setOn:!_shouldPrompt];
+  if (!_pairingSupported) {
+    _switchAskAgain.hidden = YES;
+    _shouldSavePin.hidden = YES;
+    _switchAskAgain.enabled = NO;
+  }
+  [self setFrameForControls];
+  [_hostPin becomeFirstResponder];
+}
+
+// Override UIViewController
+// When the orientation changes recenter the prompt modal
+- (void)didRotateFromInterfaceOrientation:
+            (UIInterfaceOrientation)fromInterfaceOrientation {
+  [self setFrameForControls];
+}
+
+// @protocol UITextFieldDelegate, called when the 'enter' key is pressed
+- (BOOL)textFieldShouldReturn:(UITextField*)textField {
+  [textField resignFirstResponder];
+  if (textField == _hostPin)
+    [self buttonConnectClicked:self];
+  return YES;
+}
+
+- (IBAction)buttonCancelClicked:(id)sender {
+  [_delegate cancelledConnectToHostWithPin];
+}
+
+- (IBAction)buttonConnectClicked:(id)sender {
+  [_delegate connectToHostWithPin:_hostPin.text
+                     shouldPrompt:!_switchAskAgain.isOn];
+}
+
+// Center the prompt modal and account for orientation
+- (void)setFrameForControls {
+  CGRect mainFrame = self.view.frame;
+
+  CGRect controlFrame = _controlView.frame;
+  if (([Utility isInLandscapeMode] &&
+       (mainFrame.size.height > mainFrame.size.width)) ||
+      (![Utility isInLandscapeMode] &&
+       (mainFrame.size.width > mainFrame.size.height))) {
+    controlFrame.origin.x =
+        (mainFrame.size.height / 2) - (controlFrame.size.width / 2);
+  } else {
+    controlFrame.origin.x =
+        (mainFrame.size.width / 2) - (controlFrame.size.width / 2);
+  }
+  _controlView.frame = controlFrame;
+}
+
+@end