| // Copyright 2016 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 CONTENT_BROWSER_DEVTOOLS_PAGE_NAVIGATION_THROTTLE_H_ |
| #define CONTENT_BROWSER_DEVTOOLS_PAGE_NAVIGATION_THROTTLE_H_ |
| |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/navigation_throttle.h" |
| |
| namespace content { |
| namespace protocol { |
| class PageHandler; |
| } // namespace protocol |
| |
| // Used to allow the DevTools client to optionally cancel navigations via the |
| // Page.setControlNavigations and Page.processNavigation commands. |
| class PageNavigationThrottle : public content::NavigationThrottle { |
| public: |
| PageNavigationThrottle(base::WeakPtr<protocol::PageHandler> page_handler, |
| int navigation_id, |
| content::NavigationHandle* navigation_handle); |
| ~PageNavigationThrottle() override; |
| |
| // content::NavigationThrottle implementation: |
| NavigationThrottle::ThrottleCheckResult WillStartRequest() override; |
| NavigationThrottle::ThrottleCheckResult WillRedirectRequest() override; |
| const char* GetNameForLogging() override; |
| void Resume() override; |
| void CancelDeferredNavigation( |
| NavigationThrottle::ThrottleCheckResult result) override; |
| |
| int navigation_id() const { return navigation_id_; } |
| |
| // Tells the PageNavigationThrottle to not throttle anything! |
| void AlwaysProceed(); |
| |
| private: |
| // An opaque ID assigned by the PageHandler, used to allow the protocol client |
| // to refer to this navigation throttle. |
| const int navigation_id_; |
| |
| // The PageHandler that this navigation throttle is associated with. |
| base::WeakPtr<protocol::PageHandler> page_handler_; |
| |
| // Whether or not a navigation was deferred. If deferred we expect a |
| // subsequent call to AlwaysProceed, Resume or CancelNavigationIfDeferred. |
| bool navigation_deferred_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PageNavigationThrottle); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DEVTOOLS_PAGE_NAVIGATION_THROTTLE_H_ |