| // 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 "base/android/jni_weak_ref.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/supports_user_data.h" |
| |
| class GURL; |
| |
| namespace content { |
| class ResourceThrottle; |
| 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 ResourceThrottle obtained via CreateThrottleFor must be associated |
| // with the URLRequests in the ResourceDispatcherHostDelegate |
| // implementation. |
| class InterceptNavigationDelegate : public base::SupportsUserData::Data { |
| public: |
| InterceptNavigationDelegate(JNIEnv* env, jobject jdelegate); |
| virtual ~InterceptNavigationDelegate(); |
| |
| // 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, |
| scoped_ptr<InterceptNavigationDelegate> delegate); |
| // Gets the InterceptNavigationDelegate associated with the WebContents, |
| // can be null. |
| static InterceptNavigationDelegate* Get(content::WebContents* web_contents); |
| |
| // Creates a InterceptNavigationResourceThrottle that will direct all |
| // callbacks to the InterceptNavigationDelegate. |
| static content::ResourceThrottle* CreateThrottleFor( |
| net::URLRequest* request); |
| |
| virtual bool ShouldIgnoreNavigation( |
| const NavigationParams& navigation_params); |
| private: |
| JavaObjectWeakGlobalRef weak_jdelegate_; |
| }; |
| |
| bool RegisterInterceptNavigationDelegate(JNIEnv* env); |
| |
| } // namespace navigation_interception |
| |
| #endif // COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE_H_ |