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_PUBLIC_RENDERER_NAVIGATION_STATE_H_ 6 #define CONTENT_PUBLIC_RENDERER_NAVIGATION_STATE_H_ 7 8 #include <string> 9 10 #include "content/common/content_export.h" 11 #include "content/public/common/page_transition_types.h" 12 13 namespace content { 14 15 // NavigationState is the portion of DocumentState that is affected by 16 // in-document navigation. 17 // TODO(simonjam): Move this to HistoryItem's ExtraData. 18 class CONTENT_EXPORT NavigationState { 19 public: 20 virtual ~NavigationState(); 21 22 static NavigationState* CreateBrowserInitiated( 23 int32 pending_page_id, 24 int pending_history_list_offset, 25 bool history_list_was_cleared, 26 content::PageTransition transition_type) { 27 return new NavigationState(transition_type, 28 false, 29 pending_page_id, 30 pending_history_list_offset, 31 history_list_was_cleared); 32 } 33 34 static NavigationState* CreateContentInitiated() { 35 return new NavigationState( 36 content::PAGE_TRANSITION_LINK, true, -1, -1, false); 37 } 38 39 // Contains the page_id for this navigation or -1 if there is none yet. 40 int32 pending_page_id() const { return pending_page_id_; } 41 42 // If pending_page_id() is not -1, then this contains the corresponding 43 // offset of the page in the back/forward history list. 44 int pending_history_list_offset() const { 45 return pending_history_list_offset_; 46 } 47 48 // If pending_page_id() is not -1, then this returns true if the session 49 // history was cleared during this navigation. 50 bool history_list_was_cleared() const { 51 return history_list_was_cleared_; 52 } 53 54 // If is_content_initiated() is false, whether this navigation should replace 55 // the current entry in the back/forward history list. Otherwise, use 56 // replacesCurrentHistoryItem() on the WebDataSource. 57 // 58 // TODO(davidben): It would be good to unify these and have only one source 59 // for the two cases. We can plumb this through WebFrame::loadRequest to set 60 // lockBackForwardList on the FrameLoadRequest. However, this breaks process 61 // swaps because FrameLoader::loadWithNavigationAction treats loads before a 62 // FrameLoader has committedFirstRealDocumentLoad as a replacement. (Added for 63 // http://crbug.com/178380). 64 bool should_replace_current_entry() const { 65 return should_replace_current_entry_; 66 } 67 void set_should_replace_current_entry(bool value) { 68 should_replace_current_entry_ = value; 69 } 70 71 // Contains the transition type that the browser specified when it 72 // initiated the load. 73 content::PageTransition transition_type() const { return transition_type_; } 74 void set_transition_type(content::PageTransition type) { 75 transition_type_ = type; 76 } 77 78 // True if we have already processed the "DidCommitLoad" event for this 79 // request. Used by session history. 80 bool request_committed() const { return request_committed_; } 81 void set_request_committed(bool value) { request_committed_ = value; } 82 83 // True if this navigation was not initiated via WebFrame::LoadRequest. 84 bool is_content_initiated() const { return is_content_initiated_; } 85 86 // True iff the frame's navigation was within the same page. 87 void set_was_within_same_page(bool value) { was_within_same_page_ = value; } 88 bool was_within_same_page() const { return was_within_same_page_; } 89 90 // transferred_request_child_id and transferred_request_request_id identify 91 // a request that has been created before the navigation is being transferred 92 // to a new renderer. This is used to recycle the old request once the new 93 // renderer tries to pick up the navigation of the old one. 94 void set_transferred_request_child_id(int value) { 95 transferred_request_child_id_ = value; 96 } 97 int transferred_request_child_id() const { 98 return transferred_request_child_id_; 99 } 100 void set_transferred_request_request_id(int value) { 101 transferred_request_request_id_ = value; 102 } 103 int transferred_request_request_id() const { 104 return transferred_request_request_id_; 105 } 106 void set_allow_download(bool value) { 107 allow_download_ = value; 108 } 109 bool allow_download() const { 110 return allow_download_; 111 } 112 113 void set_extra_headers(const std::string& extra_headers) { 114 extra_headers_ = extra_headers; 115 } 116 const std::string& extra_headers() { return extra_headers_; } 117 118 private: 119 NavigationState(content::PageTransition transition_type, 120 bool is_content_initiated, 121 int32 pending_page_id, 122 int pending_history_list_offset, 123 bool history_list_was_cleared); 124 125 content::PageTransition transition_type_; 126 bool request_committed_; 127 bool is_content_initiated_; 128 int32 pending_page_id_; 129 int pending_history_list_offset_; 130 bool history_list_was_cleared_; 131 bool should_replace_current_entry_; 132 133 bool was_within_same_page_; 134 int transferred_request_child_id_; 135 int transferred_request_request_id_; 136 bool allow_download_; 137 std::string extra_headers_; 138 139 DISALLOW_COPY_AND_ASSIGN(NavigationState); 140 }; 141 142 } // namespace content 143 144 #endif // CONTENT_PUBLIC_RENDERER_NAVIGATION_STATE_H_ 145
