Upstream Chrome on iOS source code [10/11].

ios/chrome/browser/web/blocked_popup_handler.h

+// Copyright 2012 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_BROWSER_WEB_BLOCKED_POPUP_HANDLER_H_
+#define IOS_CHROME_BROWSER_WEB_BLOCKED_POPUP_HANDLER_H_
+
+#import <UIKit/UIKit.h>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/scoped_observer.h"
+#include "components/infobars/core/infobar_manager.h"
+#include "ios/web/web_state/blocked_popup_info.h"
+#include "url/gurl.h"
+
+namespace ios {
+class ChromeBrowserState;
+}
+
+@protocol BlockedPopupHandlerDelegate;
+
+// Handles blocked popups. Will display an infobar informing the user and
+// allowing the user to add an exception and navigate to the site.
+class BlockedPopupHandler : public infobars::InfoBarManager::Observer {
+ public:
+  explicit BlockedPopupHandler(ios::ChromeBrowserState* browser_state);
+  ~BlockedPopupHandler() override;
+
+  void SetDelegate(id<BlockedPopupHandlerDelegate> delegate);
+
+  // Show the popup blocker infobar for the given popup.
+  void HandlePopup(const web::BlockedPopupInfo& blocked_popup_info);
+
+  // infobars::InfoBarManager::Observer implementation.
+  void OnInfoBarRemoved(infobars::InfoBar* infobar, bool animate) override;
+  void OnManagerShuttingDown(
+      infobars::InfoBarManager* infobar_manager) override;
+
+ private:
+  // Show the infobar for the current popups. Will also handle replacing an
+  // existing infobar with the updated count.
+  void ShowInfoBar();
+
+  // The user browser state.
+  ios::ChromeBrowserState* browser_state_;
+  // The delegate that will display the infobar.
+  id<BlockedPopupHandlerDelegate> delegate_;
+  // The currently displayed infobar.
+  infobars::InfoBar* infobar_;
+  // The popups to open.
+  std::vector<web::BlockedPopupInfo> popups_;
+  // For management of infobars::InfoBarManager::Observer registration.
+  ScopedObserver<infobars::InfoBarManager, infobars::InfoBarManager::Observer>
+      scoped_observer_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlockedPopupHandler);
+};
+
+// Methods implemented by the delegate of the BlockedPopupHandler.
+@protocol BlockedPopupHandlerDelegate
+
+// Returns the infobars::InfoBarManager.
+- (infobars::InfoBarManager*)infoBarManager;
+
+@end
+
+#endif  // IOS_CHROME_BROWSER_WEB_BLOCKED_POPUP_HANDLER_H_