Implement SharedWorkerServiceImpl::CreateWorker and SharedWorkerInstance and SharedWorkerHost

content/browser/shared_worker/shared_worker_instance.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
-#define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
+#ifndef CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_INSTANCE_H_
+#define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_INSTANCE_H_
 
+#include <list>
+#include <string>
+
+#include "base/basictypes.h"
+#include "content/browser/worker_host/worker_document_set.h"
 #include "content/browser/worker_host/worker_storage_partition.h"
-#include "content/public/browser/browser_message_filter.h"
-
-class GURL;
-struct ViewHostMsg_CreateWorker_Params;
+#include "content/common/content_export.h"
+#include "third_party/WebKit/public/web/WebContentSecurityPolicy.h"
+#include "url/gurl.h"
 
 namespace content {
-class MessagePortMessageFilter;
 class ResourceContext;
+class SharedWorkerMessageFilter;
 
-// If "enable-embedded-shared-worker" is set this class will be used instead of
-// WorkerMessageFilter.
-class SharedWorkerMessageFilter : public BrowserMessageFilter {
+class CONTENT_EXPORT SharedWorkerInstance {
  public:
-  SharedWorkerMessageFilter(int render_process_id,
-                            ResourceContext* resource_context,
-                            const WorkerStoragePartition& partition,
-                            MessagePortMessageFilter* message_port_filter);
+  // Unique identifier for a worker client.
+  class FilterInfo {
+   public:
+    FilterInfo(SharedWorkerMessageFilter* filter, int route_id)
+        : filter_(filter), route_id_(route_id), message_port_id_(0) { }
+    SharedWorkerMessageFilter* filter() const { return filter_; }
+    int route_id() const { return route_id_; }
+    int message_port_id() const { return message_port_id_; }
+    void set_message_port_id(int id) { message_port_id_ = id; }
 
-  // BrowserMessageFilter implementation.
-  virtual void OnChannelClosing() OVERRIDE;
-  virtual bool OnMessageReceived(const IPC::Message& message,
-                                 bool* message_was_ok) OVERRIDE;
+   private:
+    SharedWorkerMessageFilter* filter_;
+    int route_id_;
+    int message_port_id_;
+  };
 
-  int GetNextRoutingID();
-  int render_process_id() const { return render_process_id_; }
+  typedef std::list<FilterInfo> FilterList;
 
-  MessagePortMessageFilter* message_port_message_filter() const {
-    return message_port_message_filter_;
+  SharedWorkerInstance(const GURL& url,
+                       const base::string16& name,
+                       const base::string16& content_security_policy,
+                       blink::WebContentSecurityPolicyType security_policy_type,
+                       ResourceContext* resource_context,
+                       const WorkerStoragePartition& partition);
+  ~SharedWorkerInstance();
+
+  void AddFilter(SharedWorkerMessageFilter* filter, int route_id);
+  void RemoveFilters(SharedWorkerMessageFilter* filter);
+  bool HasFilter(SharedWorkerMessageFilter* filter, int route_id) const;
+  void SetMessagePortID(SharedWorkerMessageFilter* filter,
+                        int route_id,
+                        int message_port_id);
+  const FilterList& filters() const { return filters_; }
+
+  // Checks if this SharedWorkerInstance matches the passed url/name params
+  // based on the algorithm in the WebWorkers spec - an instance matches if the
+  // origins of the URLs match, and:
+  // a) the names are non-empty and equal.
+  // -or-
+  // b) the names are both empty, and the urls are equal.
+  bool Matches(
+      const GURL& url,
+      const base::string16& name,
+      const WorkerStoragePartition& partition,
+      ResourceContext* resource_context) const;
+
+  // Accessors.
+  bool closed() const { return closed_; }
+  void set_closed(bool closed) { closed_ = closed; }
+  const GURL& url() const { return url_; }
+  const base::string16 name() const { return name_; }
+  const base::string16 content_security_policy() const {
+    return content_security_policy_;
   }
+  blink::WebContentSecurityPolicyType security_policy_type() const {
+    return security_policy_type_;
+  }
+  WorkerDocumentSet* worker_document_set() const {
+    return worker_document_set_.get();
+  }
+  ResourceContext* resource_context() const {
+    return resource_context_;
+  }
+  const WorkerStoragePartition& partition() const {
+    return partition_;
+  }
+  void set_load_failed(bool failed) { load_failed_ = failed; }
+  bool load_failed() { return load_failed_; }
 
  private:
-  virtual ~SharedWorkerMessageFilter();
-
-  // Message handlers.
-  void OnCreateWorker(const ViewHostMsg_CreateWorker_Params& params,
-                      int* route_id);
-  void OnForwardToWorker(const IPC::Message& message);
-  void OnDocumentDetached(unsigned long long document_id);
-  void OnWorkerContextClosed(int worker_route_id);
-  void OnWorkerContextDestroyed(int worker_route_id);
-  void OnWorkerScriptLoaded(int worker_route_id);
-  void OnWorkerScriptLoadFailed(int worker_route_id);
-  void OnWorkerConnected(int message_port_id, int worker_route_id);
-  void OnAllowDatabase(int worker_route_id,
-                       const GURL& url,
-                       const base::string16& name,
-                       const base::string16& display_name,
-                       unsigned long estimated_size,
-                       bool* result);
-  void OnAllowFileSystem(int worker_route_id,
-                         const GURL& url,
-                         bool* result);
-  void OnAllowIndexedDB(int worker_route_id,
-                        const GURL& url,
-                        const base::string16& name,
-                        bool* result);
-
-  const int render_process_id_;
+  GURL url_;
+  bool closed_;
+  base::string16 name_;
+  base::string16 content_security_policy_;
+  blink::WebContentSecurityPolicyType security_policy_type_;
+  FilterList filters_;
+  scoped_refptr<WorkerDocumentSet> worker_document_set_;
   ResourceContext* const resource_context_;
-  const WorkerStoragePartition partition_;
-  MessagePortMessageFilter* const message_port_message_filter_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(SharedWorkerMessageFilter);
+  WorkerStoragePartition partition_;
+  bool load_failed_;
 };
 
 }  // namespace content
 
-#endif  // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_MESSAGE_FILTER_H_
+
+#endif  // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_INSTANCE_H_