content/public/browser/service_worker_context.h

   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_PUBLIC_BROWSER_SERVICE_WORKER_CONTEXT_H_
   6 #define CONTENT_PUBLIC_BROWSER_SERVICE_WORKER_CONTEXT_H_
   7
   8 #include <set>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "base/callback_forward.h"
  13 #include "content/public/browser/service_worker_usage_info.h"
  14 #include "net/base/completion_callback.h"
  15 #include "url/gurl.h"
  16
  17 namespace net {
  18 class URLRequest;
  19 }
  20
  21 namespace content {
  22
  23 // Represents the per-StoragePartition ServiceWorker data.
  24 class ServiceWorkerContext {
  25  public:
  26   // https://rawgithub.com/slightlyoff/ServiceWorker/master/spec/service_worker/index.html#url-scope:
  27   // roughly, must be of the form "<origin>/<path>/*".
  28   typedef GURL Scope;
  29
  30   typedef base::Callback<void(bool success)> ResultCallback;
  31
  32   typedef base::Callback<void(const std::vector<ServiceWorkerUsageInfo>&
  33                                   usage_info)> GetUsageInfoCallback;
  34
  35   typedef base::Callback<void(bool has_service_worker)>
  36       CheckHasServiceWorkerCallback;
  37
  38   // Registers the header name which should not be passed to the ServiceWorker.
  39   // Must be called from the IO thread.
  40   CONTENT_EXPORT static void AddExcludedHeadersForFetchEvent(
  41       const std::set<std::string>& header_names);
  42
  43   // Returns true if the header name should not be passed to the ServiceWorker.
  44   // Must be called from the IO thread.
  45   static bool IsExcludedHeaderNameForFetchEvent(const std::string& header_name);
  46
  47   // Retrieves the ServiceWorkerContext, if any, associated with |request|.
  48   CONTENT_EXPORT static ServiceWorkerContext* GetServiceWorkerContext(
  49       net::URLRequest* request);
  50
  51   // Equivalent to calling navigator.serviceWorker.register(script_url, {scope:
  52   // pattern}) from a renderer, except that |pattern| is an absolute URL instead
  53   // of relative to some current origin.  |callback| is passed true when the JS
  54   // promise is fulfilled or false when the JS promise is rejected.
  55   //
  56   // The registration can fail if:
  57   //  * |script_url| is on a different origin from |pattern|
  58   //  * Fetching |script_url| fails.
  59   //  * |script_url| fails to parse or its top-level execution fails.
  60   //    TODO: The error message for this needs to be available to developers.
  61   //  * Something unexpected goes wrong, like a renderer crash or a full disk.
  62   virtual void RegisterServiceWorker(const Scope& pattern,
  63                                      const GURL& script_url,
  64                                      const ResultCallback& callback) = 0;
  65
  66   // Equivalent to calling navigator.serviceWorker.unregister(pattern) from a
  67   // renderer, except that |pattern| is an absolute URL instead of relative to
  68   // some current origin.  |callback| is passed true when the JS promise is
  69   // fulfilled or false when the JS promise is rejected.
  70   //
  71   // Unregistration can fail if:
  72   //  * No Service Worker was registered for |pattern|.
  73   //  * Something unexpected goes wrong, like a renderer crash.
  74   virtual void UnregisterServiceWorker(const Scope& pattern,
  75                                        const ResultCallback& callback) = 0;
  76
  77   // TODO(jyasskin): Provide a way to SendMessage to a Scope.
  78
  79   // Determines if a request for |url| can be satisfied while offline.
  80   // This method always completes asynchronously.
  81   virtual void CanHandleMainResourceOffline(const GURL& url,
  82                                             const GURL& first_party,
  83                                             const net::CompletionCallback&
  84                                             callback) = 0;
  85
  86   // Methods used in response to browsing data and quota manager requests.
  87   virtual void GetAllOriginsInfo(const GetUsageInfoCallback& callback) = 0;
  88   virtual void DeleteForOrigin(const GURL& origin_url) = 0;
  89
  90   // Returns true if an active Service Worker registration exists that matches
  91   // |url|, and if |other_url| falls inside the scope of the same registration.
  92   // Note this still returns true even if there is a Service Worker registration
  93   // which has a longer match for |other_url|.
  94   // This function can be called from any thread, but the callback will always
  95   // be called on the UI thread.
  96   virtual void CheckHasServiceWorker(
  97       const GURL& url,
  98       const GURL& other_url,
  99       const CheckHasServiceWorkerCallback& callback) = 0;
 100
 101  protected:
 102   ServiceWorkerContext() {}
 103   virtual ~ServiceWorkerContext() {}
 104 };
 105
 106 }  // namespace content
 107
 108 #endif  // CONTENT_PUBLIC_BROWSER_SERVICE_WORKER_CONTEXT_H_