Implement a ReadyPromptContent that displays a prompt to accept, temporarily ...

chrome_frame/ready_mode/internal/installation_state.h

+// Copyright (c) 2010 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_FRAME_READY_MODE_INTERNAL_INSTALLATION_STATE_H_
+#define CHROME_FRAME_READY_MODE_INTERNAL_INSTALLATION_STATE_H_
+#pragma once
+
+// Provides an interface to query and manipulate the registration and
+// installation state of the product.
+class InstallationState {
+ public:
+  virtual ~InstallationState() {}
+
+  // Queries the installation state of the product (whether the product appears
+  // in "Add/Remove Programs" or its equivalent).
+  virtual bool IsProductInstalled() = 0;
+
+  // Queries the registration state of the product (whether the COM objects,
+  // BHO, etc. are registered).
+  virtual bool IsProductRegistered() = 0;
+
+  // Installs the product. Returns true iff successful.
+  virtual bool InstallProduct() = 0;
+
+  // Unregisters the product. Fails if the product is installed. Returns true
+  // iff successful.
+  virtual bool UnregisterProduct() = 0;
+};  // class InstallationState
+
+#endif  // CHROME_FRAME_READY_MODE_INTERNAL_INSTALLATION_STATE_H_