Password bubble: refactor ManagePasswordsIconView.

chrome/browser/ui/passwords/manage_passwords_icon.h

+// 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.
+
+#ifndef CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_ICON_H_
+#define CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_ICON_H_
+
+#include "base/basictypes.h"
+
+// Abstract base class for platform-specific password management icon views.
+class ManagePasswordsIcon {
+ public:
+  enum State {
+    // The icon should not be displayed.
+    INACTIVE_STATE,
+
+    // The user has blacklisted the current page; the icon should be visible,
+    // and correctly represent the password manager's disabled state.
+    BLACKLISTED_STATE,
+
+    // Offer the user the ability to manage passwords for the current page.
+    MANAGE_STATE,
+
+    // Offer the user the ability to save a pending password.
+    PENDING_STATE,
+  };
+
+  // Get/set the icon's state. Implementations of this class must implement
+  // SetStateInternal to do reasonable platform-specific things to represent
+  // the icon's state to the user.
+  void SetState(State state);
+  State state() const { return state_; }
+
+  // Shows the bubble without user interaction; should only be called from
+  // ManagePasswordsUIController.
+  //
+  // TODO(mkwst): This shouldn't be the IconView's responsiblity. Move it
+  // somewhere else as part of the refactoring in http://crbug.com/365678.
+  virtual void ShowBubbleWithoutUserInteraction() = 0;
+
+ protected:
+  ManagePasswordsIcon();
+  ~ManagePasswordsIcon();
+
+  // Called from SetState() iff the icon's state has changed.
+  virtual void SetStateInternal(State state) = 0;
+
+ private:
+  State state_;
+
+  DISALLOW_COPY_AND_ASSIGN(ManagePasswordsIcon);
+};
+
+#endif  // CHROME_BROWSER_UI_PASSWORDS_MANAGE_PASSWORDS_ICON_H_