content/common/appcache_interfaces.h

   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_COMMON_APPCACHE_APPCACHE_INTERFACES_H_
   6 #define CONTENT_COMMON_APPCACHE_APPCACHE_INTERFACES_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/files/file_path.h"
  12 #include "content/public/common/appcache_info.h"
  13
  14 namespace net {
  15 class URLRequest;
  16 }
  17
  18 namespace content {
  19
  20 // Defines constants, types, and abstract classes used in the main
  21 // process and in child processes.
  22
  23 enum AppCacheEventID {
  24   APPCACHE_CHECKING_EVENT,
  25   APPCACHE_ERROR_EVENT,
  26   APPCACHE_NO_UPDATE_EVENT,
  27   APPCACHE_DOWNLOADING_EVENT,
  28   APPCACHE_PROGRESS_EVENT,
  29   APPCACHE_UPDATE_READY_EVENT,
  30   APPCACHE_CACHED_EVENT,
  31   APPCACHE_OBSOLETE_EVENT,
  32   APPCACHE_EVENT_ID_LAST = APPCACHE_OBSOLETE_EVENT
  33 };
  34
  35 // Temporarily renumber them in wierd way, to help remove LOG_TIP from WebKit
  36 enum AppCacheLogLevel {
  37   APPCACHE_LOG_DEBUG = 4,
  38   APPCACHE_LOG_INFO = 1,
  39   APPCACHE_LOG_WARNING = 2,
  40   APPCACHE_LOG_ERROR = 3,
  41 };
  42
  43 enum AppCacheNamespaceType {
  44   APPCACHE_FALLBACK_NAMESPACE,
  45   APPCACHE_INTERCEPT_NAMESPACE,
  46   APPCACHE_NETWORK_NAMESPACE
  47 };
  48
  49 enum AppCacheErrorReason {
  50   APPCACHE_MANIFEST_ERROR,
  51   APPCACHE_SIGNATURE_ERROR,
  52   APPCACHE_RESOURCE_ERROR,
  53   APPCACHE_CHANGED_ERROR,
  54   APPCACHE_ABORT_ERROR,
  55   APPCACHE_QUOTA_ERROR,
  56   APPCACHE_POLICY_ERROR,
  57   APPCACHE_UNKNOWN_ERROR,
  58   APPCACHE_ERROR_REASON_LAST = APPCACHE_UNKNOWN_ERROR
  59 };
  60
  61 // Type to hold information about a single appcache resource.
  62 struct CONTENT_EXPORT AppCacheResourceInfo {
  63   AppCacheResourceInfo();
  64   ~AppCacheResourceInfo();
  65
  66   GURL url;
  67   int64 size;
  68   bool is_master;
  69   bool is_manifest;
  70   bool is_intercept;
  71   bool is_fallback;
  72   bool is_foreign;
  73   bool is_explicit;
  74   int64 response_id;
  75 };
  76
  77 struct CONTENT_EXPORT AppCacheErrorDetails {
  78   AppCacheErrorDetails();
  79   AppCacheErrorDetails(std::string message,
  80                AppCacheErrorReason reason,
  81                GURL url,
  82                int status,
  83                bool is_cross_origin);
  84   ~AppCacheErrorDetails();
  85
  86   std::string message;
  87   AppCacheErrorReason reason;
  88   GURL url;
  89   int status;
  90   bool is_cross_origin;
  91 };
  92
  93 typedef std::vector<AppCacheResourceInfo> AppCacheResourceInfoVector;
  94
  95 struct CONTENT_EXPORT AppCacheNamespace {
  96   AppCacheNamespace();  // Type is APPCACHE_FALLBACK_NAMESPACE by default.
  97   AppCacheNamespace(AppCacheNamespaceType type, const GURL& url,
  98       const GURL& target, bool is_pattern);
  99   AppCacheNamespace(AppCacheNamespaceType type, const GURL& url,
 100       const GURL& target, bool is_pattern, bool is_executable);
 101   ~AppCacheNamespace();
 102
 103   bool IsMatch(const GURL& url) const;
 104
 105   AppCacheNamespaceType type;
 106   GURL namespace_url;
 107   GURL target_url;
 108   bool is_pattern;
 109   bool is_executable;
 110 };
 111
 112 typedef std::vector<AppCacheNamespace> AppCacheNamespaceVector;
 113
 114 // Interface used by backend (browser-process) to talk to frontend (renderer).
 115 class CONTENT_EXPORT AppCacheFrontend {
 116  public:
 117   virtual void OnCacheSelected(
 118       int host_id, const AppCacheInfo& info) = 0;
 119   virtual void OnStatusChanged(const std::vector<int>& host_ids,
 120                                AppCacheStatus status) = 0;
 121   virtual void OnEventRaised(const std::vector<int>& host_ids,
 122                              AppCacheEventID event_id) = 0;
 123   virtual void OnProgressEventRaised(const std::vector<int>& host_ids,
 124                                      const GURL& url,
 125                                      int num_total, int num_complete) = 0;
 126   virtual void OnErrorEventRaised(
 127       const std::vector<int>& host_ids,
 128       const AppCacheErrorDetails& details) = 0;
 129   virtual void OnContentBlocked(int host_id,
 130                                 const GURL& manifest_url) = 0;
 131   virtual void OnLogMessage(int host_id, AppCacheLogLevel log_level,
 132                             const std::string& message) = 0;
 133   virtual ~AppCacheFrontend() {}
 134 };
 135
 136 // Interface used by frontend (renderer) to talk to backend (browser-process).
 137 class CONTENT_EXPORT AppCacheBackend {
 138  public:
 139   virtual void RegisterHost(int host_id) = 0;
 140   virtual void UnregisterHost(int host_id) = 0;
 141   virtual void SetSpawningHostId(int host_id, int spawning_host_id) = 0;
 142   virtual void SelectCache(int host_id,
 143                            const GURL& document_url,
 144                            const int64 cache_document_was_loaded_from,
 145                            const GURL& manifest_url) = 0;
 146   virtual void SelectCacheForWorker(
 147                            int host_id,
 148                            int parent_process_id,
 149                            int parent_host_id) = 0;
 150   virtual void SelectCacheForSharedWorker(
 151                            int host_id,
 152                            int64 appcache_id) = 0;
 153   virtual void MarkAsForeignEntry(int host_id, const GURL& document_url,
 154                                   int64 cache_document_was_loaded_from) = 0;
 155   virtual AppCacheStatus GetStatus(int host_id) = 0;
 156   virtual bool StartUpdate(int host_id) = 0;
 157   virtual bool SwapCache(int host_id) = 0;
 158   virtual void GetResourceList(
 159       int host_id, std::vector<AppCacheResourceInfo>* resource_infos) = 0;
 160
 161  protected:
 162   virtual ~AppCacheBackend() {}
 163 };
 164
 165 // Useful string constants.
 166 // Note: These are also defined elsewhere in the chrome code base in
 167 // url_contants.h .cc, however the content library can not have
 168 // any dependencies on the chrome library, so we can't use them in here.
 169 CONTENT_EXPORT extern const char kHttpScheme[];
 170 CONTENT_EXPORT extern const char kHttpsScheme[];
 171 CONTENT_EXPORT extern const char kHttpGETMethod[];
 172 CONTENT_EXPORT extern const char kHttpHEADMethod[];
 173
 174 // CommandLine flag to turn this experimental feature on.
 175 CONTENT_EXPORT extern const char kEnableExecutableHandlers[];
 176
 177 CONTENT_EXPORT bool IsSchemeSupportedForAppCache(const GURL& url);
 178 CONTENT_EXPORT bool IsMethodSupportedForAppCache(
 179     const std::string& method);
 180 CONTENT_EXPORT bool IsSchemeAndMethodSupportedForAppCache(
 181     const net::URLRequest* request);
 182
 183 CONTENT_EXPORT extern const base::FilePath::CharType
 184     kAppCacheDatabaseName[];
 185
 186 }  // namespace
 187
 188 #endif  // CONTENT_COMMON_APPCACHE_APPCACHE_INTERFACES_H_