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1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGATIO
N_THROTTLE_H_ | 5 #ifndef COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGATIO
N_THROTTLE_H_ |
6 #define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGATIO
N_THROTTLE_H_ | 6 #define COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGATIO
N_THROTTLE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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56 content::NavigationThrottle::ThrottleCheckResult WillProcessResponse() | 56 content::NavigationThrottle::ThrottleCheckResult WillProcessResponse() |
57 override; | 57 override; |
58 | 58 |
59 // After the navigation is finished, the client may optionally choose to | 59 // After the navigation is finished, the client may optionally choose to |
60 // continue using the DocumentSubresourceFilter that was used to compute the | 60 // continue using the DocumentSubresourceFilter that was used to compute the |
61 // activation state for this frame. The transfered filter can be cached and | 61 // activation state for this frame. The transfered filter can be cached and |
62 // used to calculate load policy for subframe navigations occuring in this | 62 // used to calculate load policy for subframe navigations occuring in this |
63 // frame. | 63 // frame. |
64 std::unique_ptr<AsyncDocumentSubresourceFilter> ReleaseFilter(); | 64 std::unique_ptr<AsyncDocumentSubresourceFilter> ReleaseFilter(); |
65 | 65 |
66 // Gets the activation state calculated for this navigation. Must be called | 66 AsyncDocumentSubresourceFilter* filter() { return async_filter_.get(); } |
67 // after the navigation is resumed from getting paused in WillProcessResponse, | 67 |
68 // which, for example, will have happened at ReadyToCommitNavigation. | 68 void WillSendActivationToRenderer(); |
69 const ActivationState& GetActivationState() const; | |
70 | 69 |
71 private: | 70 private: |
72 void SetActivationStateAndResume(ActivationState state); | 71 void OnActivationStateComputed(ActivationState state); |
| 72 void set_filter( |
| 73 std::unique_ptr<AsyncDocumentSubresourceFilter> async_filter) { |
| 74 async_filter_ = std::move(async_filter); |
| 75 } |
73 | 76 |
74 ActivationStateComputingNavigationThrottle( | 77 ActivationStateComputingNavigationThrottle( |
75 content::NavigationHandle* navigation_handle, | 78 content::NavigationHandle* navigation_handle, |
76 const base::Optional<ActivationState> parent_activation_state, | 79 const base::Optional<ActivationState> parent_activation_state, |
77 VerifiedRuleset::Handle* ruleset_handle); | 80 VerifiedRuleset::Handle* ruleset_handle); |
78 | 81 |
79 // These members are optional to allow DCHECKing their existence at certain | 82 // Optional to allow for DCHECKing. |
80 // points in the navigation flow. | |
81 base::Optional<ActivationState> activation_state_; | |
82 base::Optional<ActivationState> parent_activation_state_; | 83 base::Optional<ActivationState> parent_activation_state_; |
83 | 84 |
84 std::unique_ptr<AsyncDocumentSubresourceFilter> async_filter_; | 85 std::unique_ptr<AsyncDocumentSubresourceFilter> async_filter_; |
85 | 86 |
86 // Must outlive this class. For main frame navigations, this member will be | 87 // Must outlive this class. For main frame navigations, this member will be |
87 // nullptr until NotifyPageActivationWithRuleset is called. | 88 // nullptr until NotifyPageActivationWithRuleset is called. |
88 VerifiedRuleset::Handle* ruleset_handle_; | 89 VerifiedRuleset::Handle* ruleset_handle_; |
89 | 90 |
| 91 // Becomes true when the throttle manager reaches ReadyToCommitNavigation and |
| 92 // sends an activation IPC to the render process. Makes sure a caller cannot |
| 93 // take ownership of the subresource filter unless an activation IPC is sent |
| 94 // to the renderer. |
| 95 bool will_send_activation_to_renderer_ = false; |
| 96 |
90 base::WeakPtrFactory<ActivationStateComputingNavigationThrottle> | 97 base::WeakPtrFactory<ActivationStateComputingNavigationThrottle> |
91 weak_ptr_factory_; | 98 weak_ptr_factory_; |
92 | 99 |
93 DISALLOW_COPY_AND_ASSIGN(ActivationStateComputingNavigationThrottle); | 100 DISALLOW_COPY_AND_ASSIGN(ActivationStateComputingNavigationThrottle); |
94 }; | 101 }; |
95 | 102 |
96 } // namespace subresource_filter | 103 } // namespace subresource_filter |
97 | 104 |
98 #endif // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGA
TION_THROTTLE_H_ | 105 #endif // COMPONENTS_SUBRESOURCE_FILTER_CONTENT_BROWSER_FRAME_ACTIVATION_NAVIGA
TION_THROTTLE_H_ |
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