[ios] Add skeleton for cpe credential details vc

Bug: 1052143
Change-Id: I1838e127921240e6052c4f2370ea4e0e46ae3d51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2137389
Commit-Queue: David Jean <djean@chromium.org>
Reviewed-by: Javier Ernesto Flores Robles <javierrobles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756987}

ios/chrome/credential_provider_extension/ui/BUILD.gn

@@ -6,6 +6,9 @@ source_set("ui") {
   sources = [
     "consent_view_controller.h",
     "consent_view_controller.mm",
+    "credential_details_consumer.h",
+    "credential_details_view_controller.h",
+    "credential_details_view_controller.mm",
     "credential_list_consumer.h",
     "credential_list_coordinator.h",
     "credential_list_coordinator.mm",

ios/chrome/credential_provider_extension/ui/credential_details_consumer.h

+// Copyright 2020 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.
+
+#ifndef IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_CONSUMER_H_
+#define IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_CONSUMER_H_
+
+#include "ios/chrome/common/credential_provider/credential.h"
+
+@class UIButton;
+
+@protocol CredentialDetailsConsumerDelegate <NSObject>
+
+// Called when the user taps the cancel button in the navigation bar.
+- (void)navigationCancelButtonWasPressed:(UIButton*)button;
+
+// Called when the user requests a clear view of the password. The delegate
+// should complete with the clear password or nil in case of failure or
+// deny by user.
+- (void)unlockPasswordForCredential:(id<Credential>)credential
+                  completionHandler:(void (^)(NSString*))completionHandler;
+
+@end
+
+@protocol CredentialDetailsConsumer <NSObject>
+
+// The delegate for the actions in the consumer.
+@property(nonatomic, weak) id<CredentialDetailsConsumerDelegate> delegate;
+
+// Tells the consumer to show the |credential| details.
+- (void)presentCredential:(id<Credential>)credential;
+
+@end
+
+#endif  // IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_CONSUMER_H_

ios/chrome/credential_provider_extension/ui/credential_details_view_controller.h

+// Copyright 2020 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.
+
+#ifndef IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_VIEW_CONTROLLER_H_
+#define IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_VIEW_CONTROLLER_H_
+
+#import <UIKit/UIKit.h>
+
+#import "ios/chrome/credential_provider_extension/ui/credential_details_consumer.h"
+
+// View controller for credential details. Similar to chrome settings password
+// details (i/c/b/u/s/p/password_details_table_view_controller).
+@interface CredentialDetailsViewController
+    : UITableViewController <CredentialDetailsConsumer>
+@end
+
+#endif  // IOS_CHROME_CREDENTIAL_PROVIDER_EXTENSION_UI_CREDENTIAL_DETAILS_VIEW_CONTROLLER_H_

ios/chrome/credential_provider_extension/ui/credential_details_view_controller.mm

+// Copyright 2020 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/chrome/credential_provider_extension/ui/credential_details_view_controller.h"
+
+#import "base/mac/foundation_util.h"
+#import "ios/chrome/common/credential_provider/credential.h"
+#import "ios/chrome/common/ui/colors/semantic_color_names.h"
+
+#if !defined(__has_feature) || !__has_feature(objc_arc)
+#error "This file requires ARC support."
+#endif
+
+@interface CredentialDetailsViewController () <UITableViewDataSource>
+
+// Current credential.
+@property(nonatomic, weak) id<Credential> credential;
+
+@end
+
+@implementation CredentialDetailsViewController
+
+@synthesize delegate;
+
+- (void)viewDidLoad {
+  [super viewDidLoad];
+  self.view.backgroundColor = [UIColor colorNamed:kBackgroundColor];
+  self.navigationItem.rightBarButtonItem = [self navigationCancelButton];
+}
+
+#pragma mark - CredentialDetailsConsumer
+
+- (void)presentCredential:(id<Credential>)credential {
+  self.credential = credential;
+  [self.tableView reloadData];
+}
+
+#pragma mark - Private
+
+// Creates a cancel button for the navigation item.
+- (UIBarButtonItem*)navigationCancelButton {
+  UIBarButtonItem* cancelButton = [[UIBarButtonItem alloc]
+      initWithBarButtonSystemItem:UIBarButtonSystemItemCancel
+                           target:self.delegate
+                           action:@selector(navigationCancelButtonWasPressed:)];
+  return cancelButton;
+}
+
+@end

ios/chrome/credential_provider_extension/ui/credential_list_consumer.h

@@ -17,6 +17,9 @@
 // Called when the user is filtering results through search.
 - (void)updateResultsWithFilter:(NSString*)filter;
 
+// Called when user wants to see details for the given credential.
+- (void)showDetailsForCredential:(id<Credential>)credential;
+
 @end
 
 @protocol CredentialListConsumer <NSObject>

ios/chrome/credential_provider_extension/ui/credential_list_mediator.mm

@@ -68,4 +68,8 @@
   // TODO(crbug.com/1045454): Implement this method.
 }
 
+- (void)showDetailsForCredential:(id<Credential>)credential {
+  // TODO(crbug.com/1052143): Implement this method.
+}
+
 @end

ios/chrome/credential_provider_extension/ui/credential_list_view_controller.mm

@@ -156,13 +156,8 @@ UIImage* GetFallbackImageWithStringAndColor(NSString* string) {
                                   reuseIdentifier:kCellIdentifier];
     cell.accessoryType = UITableViewCellAccessoryDetailButton;
   }
-  id<Credential> credential;
-  if ([self isSuggestedPasswordSection:indexPath.section]) {
-    credential = self.suggestedPasswords[indexPath.row];
-  } else {
-    credential = self.allPasswords[indexPath.row];
-  }
 
+  id<Credential> credential = [self credentialForIndexPath:indexPath];
   cell.imageView.image = GetFallbackImageWithStringAndColor(credential.user);
   cell.imageView.contentMode = UIViewContentModeScaleAspectFit;
   cell.textLabel.text = credential.user;
@@ -184,6 +179,12 @@ UIImage* GetFallbackImageWithStringAndColor(NSString* string) {
   return view;
 }
 
+- (void)tableView:(UITableView*)tableView
+    accessoryButtonTappedForRowWithIndexPath:(NSIndexPath*)indexPath {
+  id<Credential> credential = [self credentialForIndexPath:indexPath];
+  [self.delegate showDetailsForCredential:credential];
+}
+
 #pragma mark - UISearchResultsUpdating
 
 - (void)updateSearchResultsForSearchController:
@@ -227,4 +228,12 @@ UIImage* GetFallbackImageWithStringAndColor(NSString* string) {
   }
 }
 
+- (id<Credential>)credentialForIndexPath:(NSIndexPath*)indexPath {
+  if ([self isSuggestedPasswordSection:indexPath.section]) {
+    return self.suggestedPasswords[indexPath.row];
+  } else {
+    return self.allPasswords[indexPath.row];
+  }
+}
+
 @end

ios/showcase/credential_provider/sc_credential_list_coordinator.mm

@@ -7,6 +7,8 @@
 #import <UIKit/UIKit.h>
 
 #import "ios/chrome/common/credential_provider/credential.h"
+#import "ios/chrome/credential_provider_extension/ui/credential_details_consumer.h"
+#import "ios/chrome/credential_provider_extension/ui/credential_details_view_controller.h"
 #import "ios/chrome/credential_provider_extension/ui/credential_list_consumer.h"
 #import "ios/chrome/credential_provider_extension/ui/credential_list_view_controller.h"
 
@@ -56,8 +58,11 @@ NSArray<id<Credential>>* allPasswords = @[
 ];
 }
 
-@interface SCCredentialListCoordinator () <CredentialListConsumerDelegate>
+@interface SCCredentialListCoordinator () <CredentialDetailsConsumerDelegate,
+                                           CredentialListConsumerDelegate>
 @property(nonatomic, strong) CredentialListViewController* viewController;
+@property(nonatomic, strong)
+    CredentialDetailsViewController* detailsViewController;
 @end
 
 @implementation SCCredentialListCoordinator
@@ -66,11 +71,15 @@ NSArray<id<Credential>>* allPasswords = @[
 
 - (void)start {
   self.viewController = [[CredentialListViewController alloc] init];
-  self.viewController.title = @"Autofill Chrome Password";
+  self.viewController.title = @"CPE Passwords";
   self.viewController.delegate = self;
   [self.baseViewController setHidesBarsOnSwipe:NO];
   [self.baseViewController pushViewController:self.viewController animated:YES];
 
+  self.detailsViewController = [[CredentialDetailsViewController alloc] init];
+  self.detailsViewController.title = @"CPE Password Details";
+  self.detailsViewController.delegate = self;
+
   [self.viewController presentSuggestedPasswords:suggestedPasswords
                                     allPasswords:allPasswords];
 }
@@ -101,4 +110,17 @@ NSArray<id<Credential>>* allPasswords = @[
   [self.viewController presentSuggestedPasswords:suggested allPasswords:all];
 }
 
+#pragma mark - CredentialDetailsConsumerDelegate
+
+- (void)unlockPasswordForCredential:(id<Credential>)credential
+                  completionHandler:(void (^)(NSString*))completionHandler {
+  completionHandler(@"DreamOn");
+}
+
+- (void)showDetailsForCredential:(id<Credential>)credential {
+  [self.detailsViewController presentCredential:credential];
+  [self.baseViewController pushViewController:self.detailsViewController
+                                     animated:YES];
+}
+
 @end