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1 // Copyright (c) 2012 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 CONTENT_COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE
_H_ | |
6 #define CONTENT_COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEGATE
_H_ | |
7 | |
8 #include "base/android/jni_helper.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "base/supports_user_data.h" | |
11 #include "content/public/common/page_transition_types.h" | |
12 | |
13 class GURL; | |
14 | |
15 namespace content { | |
16 class ResourceThrottle; | |
17 class WebContents; | |
18 } | |
19 | |
20 namespace net { | |
21 class URLRequest; | |
22 } | |
23 | |
24 namespace content { | |
25 | |
26 // Native side of the InterceptNavigationDelegate Java interface. | |
27 // This is used to create a InterceptNavigationResourceThrottle that calls the | |
28 // Java interface method to determine whether a navigation should be ignored or | |
29 // not. | |
30 // To us this class: | |
31 // 1) the Java-side interface implementation must be associated (via the | |
32 // Associate method) with a WebContents for which URLRequests are to be | |
33 // intercepted, | |
34 // 2) the ResourceThrottle obtained via CreateThrottleFor must be associated | |
35 // with the URLRequests in the ResourceDispatcherHostDelegate | |
36 // implementation. | |
37 class InterceptNavigationDelegate : public base::SupportsUserData::Data { | |
38 public: | |
39 InterceptNavigationDelegate(JNIEnv* env, jobject jdelegate); | |
40 virtual ~InterceptNavigationDelegate(); | |
41 | |
42 // Associates the InterceptNavigationDelegate with a WebContents using the | |
43 // SupportsUserData mechanism. | |
44 // As implied by the use of scoped_ptr, the WebContents will assume ownership | |
45 // of |delegate|. | |
46 static void Associate(content::WebContents* web_contents, | |
47 scoped_ptr<InterceptNavigationDelegate> delegate); | |
48 // Gets the InterceptNavigationDelegate associated with the WebContents, | |
49 // can be null. | |
50 static InterceptNavigationDelegate* Get(content::WebContents* web_contents); | |
51 | |
52 // Creates a InterceptNavigationResourceThrottle that will direct all | |
53 // callbacks to the InterceptNavigationDelegate. | |
54 static content::ResourceThrottle* CreateThrottleFor( | |
55 net::URLRequest* request); | |
56 | |
57 virtual bool ShouldIgnoreNavigation(const GURL& url, | |
58 bool is_post, | |
59 bool has_user_gesture, | |
60 PageTransition transition_type); | |
61 private: | |
62 JavaObjectWeakGlobalRef weak_jdelegate_; | |
63 }; | |
64 | |
65 bool RegisterInterceptNavigationDelegate(JNIEnv* env); | |
66 | |
67 } // namespace content | |
68 | |
69 #endif // CONTENT_COMPONENTS_NAVIGATION_INTERCEPTION_INTERCEPT_NAVIGATION_DELEG
ATE_H_ | |
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