chrome_frame/navigation_constraints.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_FRAME_NAVIGATION_CONSTRAINTS_H_
   6 #define CHROME_FRAME_NAVIGATION_CONSTRAINTS_H_
   7
   8 #include <urlmon.h>
   9 #include <windows.h>
  10
  11 #include "base/win/scoped_comptr.h"
  12 #include "googleurl/src/gurl.h"
  13
  14 // Provides an interface which controls navigation within ChromeFrame.
  15 class NavigationConstraints {
  16  public:
  17   virtual ~NavigationConstraints() {}
  18   virtual bool AllowUnsafeUrls() = 0;
  19   virtual bool IsSchemeAllowed(const GURL& url) = 0;
  20   virtual bool IsZoneAllowed(const GURL& url) = 0;
  21 };
  22
  23 // Provides default implementation for the NavigationConstraints interface.
  24 class NavigationConstraintsImpl : public NavigationConstraints {
  25  public:
  26   NavigationConstraintsImpl();
  27   virtual ~NavigationConstraintsImpl() {}
  28
  29   // NavigationConstraints method overrides.
  30   virtual bool AllowUnsafeUrls();
  31   virtual bool IsSchemeAllowed(const GURL& url);
  32   virtual bool IsZoneAllowed(const GURL& url);
  33
  34   bool is_privileged() const;
  35   void set_is_privileged(bool is_privileged);
  36
  37  private:
  38   base::win::ScopedComPtr<IInternetSecurityManager> security_manager_;
  39
  40   // The plugin is privileged if it is:
  41   // * Being hosted by a custom host exposing the SID_ChromeFramePrivileged
  42   //   service.
  43   //
  44   // When privileged, additional interfaces are made available to the user.
  45   bool is_privileged_;
  46 };
  47
  48 #endif  // CHROME_FRAME_NAVIGATION_CONSTRAINTS_H_