Index: ios/clean/chrome/browser/ui/dialogs/dialog_view_controller.mm |
diff --git a/ios/clean/chrome/browser/ui/dialogs/dialog_view_controller.mm b/ios/clean/chrome/browser/ui/dialogs/dialog_view_controller.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..da33bc43162f9929fefe2b7651642b6d6f53a48d |
--- /dev/null |
+++ b/ios/clean/chrome/browser/ui/dialogs/dialog_view_controller.mm |
@@ -0,0 +1,158 @@ |
+// Copyright 2017 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. |
+ |
+#import "ios/clean/chrome/browser/ui/dialogs/dialog_view_controller.h" |
+ |
+#include "base/logging.h" |
+#include "components/strings/grit/components_strings.h" |
+#import "ios/clean/chrome/browser/ui/commands/dialog_commands.h" |
+#import "ios/clean/chrome/browser/ui/dialogs/dialog_button_item.h" |
+#import "ios/clean/chrome/browser/ui/dialogs/dialog_text_field_item.h" |
+#include "ui/base/l10n/l10n_util.h" |
+ |
+#if !defined(__has_feature) || !__has_feature(objc_arc) |
+#error "This file requires ARC support." |
+#endif |
+ |
+namespace { |
+// Typedef the block parameter for UIAlertAction for readability. |
+typedef void (^AlertActionHandler)(UIAlertAction*); |
+// Converts DialogButtonStyle to a UIAlertActionStyle. |
+UIAlertActionStyle GetAlertStyleForDialogButtonStyle(DialogButtonStyle style) { |
+ switch (style) { |
+ case DialogButtonStyle::DEFAULT: |
+ return UIAlertActionStyleDefault; |
+ case DialogButtonStyle::CANCEL: |
+ return UIAlertActionStyleCancel; |
+ case DialogButtonStyle::DESTRUCTIVE: |
+ return UIAlertActionStyleDestructive; |
+ } |
+} |
+} |
+ |
+@interface DialogViewController () |
+ |
+// The dispatcher used for dismissal; |
+@property(nonatomic, readonly, strong) id<DialogDismissalCommands> |
+ dismissalDispatcher; |
marq (ping after 24h)
2017/06/14 10:52:16
anti-nit: Convention so far has just been to name
kkhorimoto
2017/06/23 06:24:18
Acknowledged.
|
+ |
+// Objects provided through the DialogConsumer protocol. |
+@property(nonatomic, readonly, strong) NSArray<DialogButtonItem*>* buttonItems; |
marq (ping after 24h)
2017/06/14 10:52:16
Why not readwrite, copy for all of these?
kkhorimoto
2017/06/23 06:24:18
Moved to copy, but I left as readonly to discourag
|
+@property(nonatomic, readonly, strong) NSString* cancelButtonText; |
+@property(nonatomic, readonly, strong) |
+ NSArray<DialogTextFieldItem*>* textFieldItems; |
+ |
+// The strings corresponding with the text fields. |
marq (ping after 24h)
2017/06/14 10:52:16
Maybe use a dictionary rather than depending on in
kkhorimoto
2017/06/23 06:24:18
Done.
|
+@property(nonatomic, readonly, strong) |
+ NSMutableArray<NSString*>* userInputStrings; |
+ |
+// Creates an AlertActionHandler that sends a DialogDismissalCommand with |tag|. |
+- (AlertActionHandler)actionForButtonItemTag:(id)tag; |
+// Adds buttons for each item in |buttonItems|. |
+- (void)addButtons; |
+// Adds text fields for each item in |textFieldItems|. |
+- (void)addTextFields; |
+ |
+@end |
+ |
+@implementation DialogViewController |
+ |
+@synthesize dismissalDispatcher = _dismissalDispatcher; |
+@synthesize buttonItems = _buttonItems; |
+@synthesize textFieldItems = _textFieldItems; |
+@synthesize cancelButtonText = _cancelButtonText; |
+@synthesize userInputStrings = _userInputStrings; |
+ |
+- (instancetype)initWithStyle:(UIAlertControllerStyle)style |
+ dispatcher:(id<DialogDismissalCommands>)dispatcher { |
+ DCHECK(dispatcher); |
+ self = [[self class] alertControllerWithTitle:nil |
+ message:nil |
+ preferredStyle:style]; |
+ if (self) { |
+ _dismissalDispatcher = dispatcher; |
+ } |
+ return self; |
+} |
+ |
+#pragma mark - Accessors |
+ |
+- (NSArray<NSString*>*)userInputStrings { |
+ // Early return if text field items haven't been supplied or the text fields |
+ // have not been instantiated. |
+ NSUInteger itemCount = self.textFieldItems.count; |
+ if (!itemCount || itemCount != self.textFields.count) |
+ return nil; |
+ // Lazily create the array and update its contents. |
+ if (!_userInputStrings) |
+ _userInputStrings = [[NSMutableArray alloc] initWithCapacity:itemCount]; |
marq (ping after 24h)
2017/06/14 10:52:16
Newline after brace-less if().
kkhorimoto
2017/06/23 06:24:18
Is this part of the style guide? I don't mind add
|
+ for (NSUInteger fieldIndex = 0; fieldIndex < itemCount; ++fieldIndex) { |
+ _userInputStrings[fieldIndex] = self.textFields[fieldIndex].text; |
+ } |
+ return _userInputStrings; |
+} |
+ |
+#pragma mark - DialogConsumer |
+ |
+- (void)setDialogTitle:(NSString*)title { |
+ self.title = title; |
+} |
+ |
+- (void)setDialogMessage:(NSString*)message { |
+ self.message = message; |
+} |
+ |
+- (void)setDialogButtonItems:(NSArray<DialogButtonItem*>*)buttonItems { |
+ _buttonItems = buttonItems; |
+} |
+ |
+- (void)setDialogCancelButtonText:(NSString*)cancelButtonText { |
+ _cancelButtonText = cancelButtonText; |
+} |
+ |
+- (void)setDialogTextFieldItems:(NSArray<DialogTextFieldItem*>*)textFieldItems { |
+ _textFieldItems = textFieldItems; |
+} |
+ |
+#pragma mark - UIViewcontroller |
+ |
+- (void)viewDidLoad { |
+ DCHECK_GT(self.buttonItems.count, 0U); |
+ [self addButtons]; |
+ [self addTextFields]; |
+} |
+ |
+#pragma mark - |
+ |
+- (AlertActionHandler)actionForButtonItemTag:(id)tag { |
+ __weak DialogViewController* weakSelf = self; |
marq (ping after 24h)
2017/06/14 10:52:16
You don't need to do the weak/strong dance for dia
kkhorimoto
2017/06/23 06:24:18
Done.
|
+ return ^(UIAlertAction*) { |
+ DialogViewController* strongSelf = weakSelf; |
+ [strongSelf.dismissalDispatcher |
+ dismissDialogWithButtonTag:tag |
+ userInputStrings:strongSelf.userInputStrings]; |
+ }; |
+} |
+ |
+- (void)addButtons { |
+ for (DialogButtonItem* item in self.buttonItems) { |
+ AlertActionHandler handler = [self actionForButtonItemTag:item.tag]; |
+ UIAlertActionStyle style = GetAlertStyleForDialogButtonStyle(item.style); |
+ [self addAction:[UIAlertAction actionWithTitle:item.text |
+ style:style |
+ handler:handler]]; |
+ } |
+} |
+ |
+- (void)addTextFields { |
+ for (DialogTextFieldItem* item in self.textFieldItems) { |
+ [self addTextFieldWithConfigurationHandler:^(UITextField* textField) { |
+ textField.text = item.defaultText; |
+ textField.placeholder = item.placeholderText; |
+ textField.secureTextEntry = item.secure; |
+ }]; |
+ } |
+} |
+ |
+@end |