| // Copyright (c) 2012 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 COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE_H_ |
| #define COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE_H_ |
| |
| #include <memory> |
| |
| #include "base/android/jni_weak_ref.h" |
| #include "base/macros.h" |
| #include "base/supports_user_data.h" |
| |
| namespace content { |
| class NavigationHandle; |
| class NavigationThrottle; |
| class WebContents; |
| } |
| |
| namespace net { |
| class URLRequest; |
| } |
| |
| namespace navigation_interception { |
| |
| class NavigationParams; |
| |
| // Native side of the InterceptNavigationDelegate Java interface. |
| // This is used to create a InterceptNavigationResourceThrottle that calls the |
| // Java interface method to determine whether a navigation should be ignored or |
| // not. |
| // To us this class: |
| // 1) the Java-side interface implementation must be associated (via the |
| // Associate method) with a WebContents for which URLRequests are to be |
| // intercepted, |
| // 2) the NavigationThrottle obtained via CreateThrottleFor must be associated |
| // with the NavigationHandle in the ContentBrowserClient implementation. |
| class InterceptNavigationDelegate : public base::SupportsUserData::Data { |
| public: |
| InterceptNavigationDelegate(JNIEnv* env, jobject jdelegate); |
| ~InterceptNavigationDelegate() override; |
| |
| // Associates the InterceptNavigationDelegate with a WebContents using the |
| // SupportsUserData mechanism. |
| // As implied by the use of scoped_ptr, the WebContents will assume ownership |
| // of |delegate|. |
| static void Associate(content::WebContents* web_contents, |
| std::unique_ptr<InterceptNavigationDelegate> delegate); |
| // Gets the InterceptNavigationDelegate associated with the WebContents, |
| // can be null. |
| static InterceptNavigationDelegate* Get(content::WebContents* web_contents); |
| |
| // Creates a InterceptNavigationThrottle that will direct all callbacks to |
| // the InterceptNavigationDelegate. |
| static std::unique_ptr<content::NavigationThrottle> CreateThrottleFor( |
| content::NavigationHandle* handle); |
| |
| // Updates information to determine whether to have user gesture carryover or |
| // not. |
| static void UpdateUserGestureCarryoverInfo(net::URLRequest* request); |
| |
| virtual bool ShouldIgnoreNavigation( |
| const NavigationParams& navigation_params); |
| |
| // Updates |last_user_gesture_carryover_timestamp_| when user gesture is |
| // carried over. |
| void UpdateLastUserGestureCarryoverTimestamp(); |
| |
| private: |
| JavaObjectWeakGlobalRef weak_jdelegate_; |
| base::TimeTicks last_user_gesture_carryover_timestamp_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InterceptNavigationDelegate); |
| }; |
| |
| } // namespace navigation_interception |
| |
| #endif // COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE_H_ |