[ios clean] Creates ToolsMenu model.

ios/clean/chrome/browser/ui/tools/tools_mediator.mm

 // 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/tools/tools_mediator.h"
 
-#import "ios/clean/chrome/browser/ui/commands/settings_commands.h"
-#import "ios/clean/chrome/browser/ui/tools/tools_actions.h"
+#include "base/macros.h"
 #import "ios/clean/chrome/browser/ui/tools/tools_consumer.h"
 #import "ios/clean/chrome/browser/ui/tools/tools_menu_item.h"
+#import "ios/clean/chrome/browser/ui/tools/tools_menu_model.h"
 #import "ios/shared/chrome/browser/ui/tools_menu/tools_menu_configuration.h"
+#include "ui/base/l10n/l10n_util.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
 #endif
 
 @interface ToolsMediator ()
 @property(nonatomic, strong) id<ToolsConsumer> consumer;
 @property(nonatomic, strong) ToolsMenuConfiguration* toolsMenuConfiguration;
+@property(nonatomic, strong) NSMutableArray* menuItems;
+// Populates the menuItems array by filtering the model data source based on the
+// current ToolsMenuConfiguration.
+- (void)populateMenuItems;
+// Checks if a specific Menu Item should be visibile for the current

[lpromero, 2017/05/23 09:00:43]

*visible

[sczs, 2017/05/23 20:28:18]

Done.

+// configuration.
+- (BOOL)itemIsVisibleForCurrentConfiguration:(const MenuModelItem)modelItem;
+
 @end
 
 @implementation ToolsMediator
 
 @synthesize consumer = _consumer;
 @synthesize toolsMenuConfiguration = _toolsMenuConfiguration;
+@synthesize menuItems = _menuItems;
 
 - (instancetype)initWithConsumer:(id<ToolsConsumer>)consumer
                 andConfiguration:(ToolsMenuConfiguration*)menuConfiguration {
   self = [super init];
   if (self) {
     self.toolsMenuConfiguration = menuConfiguration;
     self.consumer = consumer;
   }
   return self;
 }
 
 - (void)setConsumer:(id<ToolsConsumer>)consumer {
   _consumer = consumer;
 
-  // PLACEHOLDER: Temporary hardcoded consumer model.
-  NSArray<ToolsMenuItem*>* menuItems = [[NSArray alloc] init];
-  menuItems = @[
-    [[ToolsMenuItem alloc] init], [[ToolsMenuItem alloc] init],
-    [[ToolsMenuItem alloc] init], [[ToolsMenuItem alloc] init],
-    [[ToolsMenuItem alloc] init], [[ToolsMenuItem alloc] init],
-    [[ToolsMenuItem alloc] init], [[ToolsMenuItem alloc] init],
-    [[ToolsMenuItem alloc] init], [[ToolsMenuItem alloc] init],
-    [[ToolsMenuItem alloc] init]
-  ];
+  [self populateMenuItems];
 
-  menuItems[0].title = @"New Tab";
-
-  menuItems[1].title = @"New Incognito Tab";
-
-  menuItems[2].title = @"Bookmarks";
-
-  menuItems[3].title = @"Reading List";
-
-  menuItems[4].title = @"Recent Tabs";
-
-  menuItems[5].title = @"History";
-
-  menuItems[6].title = @"Report an Issue";
-
-  menuItems[7].title = @"Find in Page…";
-  menuItems[7].action = @selector(showFindInPage);
-
-  menuItems[8].title = @"Request Desktop Site";
-
-  menuItems[9].title = @"Settings";
-  menuItems[9].action = @selector(showSettings);
-
-  menuItems[10].title = @"Help";
-
-  [_consumer setToolsMenuItems:menuItems];
+  [_consumer setToolsMenuItems:self.menuItems];
   [_consumer
       setDisplayOverflowControls:!self.toolsMenuConfiguration.isInTabSwitcher];
 }
 
+#pragma mark - Private Methods
+
+- (void)populateMenuItems {
+  self.menuItems = [NSMutableArray array];
+
+  for (size_t i = 0; i < arraysize(itemsModelList); ++i) {
+    const MenuModelItem& modelItem = itemsModelList[i];
+
+    if ([self itemIsVisibleForCurrentConfiguration:modelItem]) {
+      ToolsMenuItem* menuItem = [[ToolsMenuItem alloc] init];
+      menuItem.title = l10n_util::GetNSStringWithFixup(modelItem.title_id);
+      menuItem.action = NSSelectorFromString(modelItem.selector);
+      [self.menuItems addObject:menuItem];
+    }
+  }
+}
+
+- (BOOL)itemIsVisibleForCurrentConfiguration:(const MenuModelItem)modelItem {
+  // We first check if the item should be visible on the current Incognito

[lpromero, 2017/05/23 09:00:43]

Nit: avoid "we". Just remove it, here.

[sczs, 2017/05/23 20:28:18]

Done.

+  // state.
+  switch (modelItem.visibility) {
+    case kVisibleIncognitoOnly:
+      if (!self.toolsMenuConfiguration.isInIncognito) {
+        return NO;
+      }
+      break;
+    case kVisibleNotIncognitoOnly:
+      if (self.toolsMenuConfiguration.isInIncognito) {
+        return NO;
+      }
+      break;
+    case kVisibleAlways:
+      break;
+    default:
+      return NO;
+  }
+
+  // We then check if the item should be visibile for the current Toolbar state.

[lpromero, 2017/05/23 09:00:43]

Idem.

[sczs, 2017/05/23 20:28:18]

Done.

+  switch (modelItem.toolbar_types) {
+    case ToolbarTypeNone:
+      return NO;
+    case ToolbarTypeSwitcher:
+      return self.toolsMenuConfiguration.isInTabSwitcher;
+    case ToolbarTypeWeb:
+      return !self.toolsMenuConfiguration.isInTabSwitcher;
+    case ToolbarTypeAll:
+      return YES;
+    default:
+      return NO;

[lpromero, 2017/05/23 09:00:44]

Should you remove the default case, so that this breaks compilation when a new
case is added?

[sczs, 2017/05/23 20:28:18]

I was trying to do this, but without the default case I still need to return
something outside the switch, which defeats the purpose.

+  }
+}
+
 @end
+
+// Private implementation for testing.
+@implementation ToolsMediator (Testing)
+
+- (NSArray*)menuItemsArray {
+  return self.menuItems;
+}
+
+@end