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| 1 // Copyright 2014 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_BROWSER_TRANSITION_REQUEST_MANAGER_H_ | |
| 6 #define CONTENT_BROWSER_TRANSITION_REQUEST_MANAGER_H_ | |
| 7 | |
| 8 #include <map> | |
| 9 #include <string> | |
| 10 #include <utility> | |
| 11 #include <vector> | |
| 12 | |
| 13 #include "base/basictypes.h" | |
| 14 #include "base/memory/ref_counted.h" | |
| 15 #include "content/common/content_export.h" | |
| 16 #include "content/public/common/transition_element.h" | |
| 17 #include "ui/gfx/geometry/rect.h" | |
| 18 #include "url/gurl.h" | |
| 19 | |
| 20 template <typename T> | |
| 21 struct DefaultSingletonTraits; | |
| 22 | |
| 23 namespace net { | |
| 24 class HttpResponseHeaders; | |
| 25 } | |
| 26 class GURL; | |
| 27 | |
| 28 namespace content { | |
| 29 | |
| 30 // This struct passes data about an imminent transition between threads. | |
| 31 struct TransitionLayerData { | |
| 32 CONTENT_EXPORT TransitionLayerData(); | |
| 33 CONTENT_EXPORT ~TransitionLayerData(); | |
| 34 | |
| 35 std::string markup; | |
| 36 std::string css_selector; | |
| 37 std::vector<TransitionElement> elements; | |
| 38 scoped_refptr<net::HttpResponseHeaders> response_headers; | |
| 39 GURL request_url; | |
| 40 }; | |
| 41 | |
| 42 // TransitionRequestManager is used to handle bookkeeping for transition | |
| 43 // requests and responses. | |
| 44 // | |
| 45 // TransitionRequestManager is a singleton and should only be accessed on the IO | |
| 46 // thread. | |
| 47 // | |
| 48 class TransitionRequestManager { | |
| 49 public: | |
| 50 // Returns the singleton instance. | |
| 51 CONTENT_EXPORT static TransitionRequestManager* GetInstance(); | |
| 52 | |
| 53 // Parses out any transition-entering-stylesheet link headers from the | |
| 54 // response headers. | |
| 55 CONTENT_EXPORT static void ParseTransitionStylesheetsFromHeaders( | |
| 56 const scoped_refptr<net::HttpResponseHeaders>& headers, | |
| 57 std::vector<GURL>& entering_stylesheets, | |
| 58 const GURL& resolve_address); | |
| 59 | |
| 60 // Get pending transition request data from RenderFrameHost specified by the | |
| 61 // given IDs and return true if the data exists. For web to web transition, we | |
| 62 // will have to delay the response until the embedder resumes the request if | |
| 63 // the data exists. | |
| 64 CONTENT_EXPORT bool GetPendingTransitionRequest( | |
| 65 int render_process_id, | |
| 66 int render_frame_id, | |
| 67 const GURL& request_url, | |
| 68 TransitionLayerData* transition_data); | |
| 69 | |
| 70 // Adds pending request data for a transition navigation for the | |
| 71 // RenderFrameHost specified by the given IDs. | |
| 72 CONTENT_EXPORT void AddPendingTransitionRequestData( | |
| 73 int render_process_id, | |
| 74 int render_frame_id, | |
| 75 const std::string& allowed_destination_host_pattern, | |
| 76 const std::string& css_selector, | |
| 77 const std::string& markup, | |
| 78 const std::vector<TransitionElement>& elements); | |
| 79 CONTENT_EXPORT void AddPendingTransitionRequestDataForTesting( | |
| 80 int render_process_id, | |
| 81 int render_frame_id); | |
| 82 | |
| 83 CONTENT_EXPORT void ClearPendingTransitionRequestData(int render_process_id, | |
| 84 int render_frame_id); | |
| 85 | |
| 86 // The maximum number of elements is meant to avoid passing arbitrarily large | |
| 87 // amount of objects across the IPC boundary. | |
| 88 static const int kMaxNumOfElements = 1024; | |
| 89 | |
| 90 private: | |
| 91 class TransitionRequestData { | |
| 92 public: | |
| 93 TransitionRequestData(); | |
| 94 ~TransitionRequestData(); | |
| 95 void AddEntry(const std::string& allowed_destination_host_pattern, | |
| 96 const std::string& selector, | |
| 97 const std::string& markup, | |
| 98 const std::vector<TransitionElement>& elements); | |
| 99 bool FindEntry(const GURL& request_url, | |
| 100 TransitionLayerData* transition_data); | |
| 101 | |
| 102 private: | |
| 103 struct AllowedEntry { | |
| 104 // These strings could have originated from a compromised renderer, | |
| 105 // and should not be trusted or assumed safe. They are only used within | |
| 106 // a sandboxed iframe with scripts disabled. | |
| 107 std::string allowed_destination_host_pattern; | |
| 108 std::string css_selector; | |
| 109 std::string markup; | |
| 110 std::vector<TransitionElement> elements; | |
| 111 | |
| 112 AllowedEntry(const std::string& allowed_destination_host_pattern, | |
| 113 const std::string& css_selector, | |
| 114 const std::string& markup, | |
| 115 const std::vector<TransitionElement>& elements); | |
| 116 ~AllowedEntry(); | |
| 117 }; | |
| 118 std::vector<AllowedEntry> allowed_entries_; | |
| 119 }; | |
| 120 | |
| 121 friend struct DefaultSingletonTraits<TransitionRequestManager>; | |
| 122 typedef std::map<std::pair<int, int>, TransitionRequestData> | |
| 123 RenderFrameRequestDataMap; | |
| 124 | |
| 125 TransitionRequestManager(); | |
| 126 ~TransitionRequestManager(); | |
| 127 | |
| 128 // Map of (render_process_host_id, render_frame_id) pairs of all | |
| 129 // RenderFrameHosts that have pending cross-site requests and their data. | |
| 130 // Used to pass information to the CrossSiteResourceHandler without doing a | |
| 131 // round-trip between IO->UI->IO threads. | |
| 132 RenderFrameRequestDataMap pending_transition_frames_; | |
| 133 | |
| 134 DISALLOW_COPY_AND_ASSIGN(TransitionRequestManager); | |
| 135 }; | |
| 136 | |
| 137 } // namespace content | |
| 138 | |
| 139 #endif // CONTENT_BROWSER_TRANSITION_REQUEST_MANAGER_H_ | |
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Chromium Code Reviews
Issue 1144463003:
Remove Navigation Transitions from Chromium (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master