components/navigation_interception/intercept_navigation_throttle.h

   1 // Copyright 2015 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 COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_THROTTLE_H_
   6 #define COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_THROTTLE_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "content/public/browser/navigation_throttle.h"
  13
  14 class GURL;
  15
  16 namespace content {
  17 class NavigationHandle;
  18 class WebContents;
  19 }
  20
  21 namespace navigation_interception {
  22
  23 class NavigationParams;
  24
  25 // This class allows the provider of the Callback to selectively ignore top
  26 // level navigations. This is a UI thread class.
  27 class InterceptNavigationThrottle : public content::NavigationThrottle {
  28  public:
  29   typedef base::Callback<bool(content::WebContents* /* source */,
  30                               const NavigationParams& /* navigation_params */)>
  31       CheckCallback;
  32
  33   InterceptNavigationThrottle(content::NavigationHandle* navigation_handle,
  34                               CheckCallback should_ignore_callback);
  35   ~InterceptNavigationThrottle() override;
  36
  37   // content::NavigationThrottle implementation:
  38   ThrottleCheckResult WillStartRequest() override;
  39   ThrottleCheckResult WillRedirectRequest() override;
  40
  41  private:
  42   ThrottleCheckResult CheckIfShouldIgnoreNavigation(bool is_redirect);
  43
  44   CheckCallback should_ignore_callback_;
  45
  46   DISALLOW_COPY_AND_ASSIGN(InterceptNavigationThrottle);
  47 };
  48
  49 }  // namespace navigation_interception
  50
  51 #endif  // COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_THROTTLE_H_