third_party/WebKit/public/web/WebSharedWorkerClient.h

   1 /*
   2  * Copyright (C) 2009 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef WebSharedWorkerClient_h
  32 #define WebSharedWorkerClient_h
  33
  34 #include "public/platform/WebMessagePortChannel.h"
  35
  36 namespace blink {
  37
  38 class WebApplicationCacheHost;
  39 class WebApplicationCacheHostClient;
  40 class WebDataSource;
  41 class WebNotificationPresenter;
  42 class WebSecurityOrigin;
  43 class WebServiceWorkerNetworkProvider;
  44 class WebString;
  45 class WebWorker;
  46 class WebWorkerContentSettingsClientProxy;
  47
  48 // Provides an interface back to the in-page script object for a worker.
  49 // All functions are expected to be called back on the thread that created
  50 // the Worker object, unless noted.
  51 // An instance of this class must outlive or must have the identical lifetime
  52 // as WebSharedWorker (i.e. must be kept alive until workerScriptLoadFailed()
  53 // or workerContextDestroyed() is called).
  54 class WebSharedWorkerClient {
  55 public:
  56     virtual void workerContextClosed() = 0;
  57     virtual void workerContextDestroyed() = 0;
  58     virtual void workerReadyForInspection() { }
  59     virtual void workerScriptLoaded() = 0;
  60     virtual void workerScriptLoadFailed() = 0;
  61     virtual void selectAppCacheID(long long) = 0;
  62
  63     // Returns the notification presenter for this worker context. Pointer
  64     // is owned by the object implementing WebSharedWorkerClient.
  65     virtual WebNotificationPresenter* notificationPresenter() = 0;
  66
  67     // Called on the main webkit thread in the worker process during
  68     // initialization.
  69     virtual WebApplicationCacheHost* createApplicationCacheHost(WebApplicationCacheHostClient*) = 0;
  70
  71     // Called on the main thread during initialization.
  72     // WebWorkerContentSettingsClientProxy should not retain the given
  73     // WebSecurityOrigin, as the proxy instance is passed to worker thread
  74     // while WebSecurityOrigin is not thread safe.
  75     virtual WebWorkerContentSettingsClientProxy* createWorkerContentSettingsClientProxy(const WebSecurityOrigin& origin) { return nullptr; }
  76
  77     // Called on the main thread during initialization.
  78     // Ownership of the returned object is transferred to the caller.
  79     virtual WebServiceWorkerNetworkProvider* createServiceWorkerNetworkProvider(WebDataSource*) { return nullptr; }
  80
  81     virtual void sendDevToolsMessage(int callId, const WebString& message, const WebString& state) { }
  82 };
  83
  84 } // namespace blink
  85
  86 #endif