Implement some mothods in SharedWorkerHost and SharedWorkerServiceImpl

content/browser/shared_worker/shared_worker_host.cc

 // 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.
 
 #include "content/browser/shared_worker/shared_worker_host.h"
 
+#include "content/browser/message_port_service.h"
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/browser/shared_worker/shared_worker_message_filter.h"
+#include "content/common/view_messages.h"
+#include "content/common/worker_messages.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
 SharedWorkerHost::SharedWorkerHost(SharedWorkerInstance* instance)
     : instance_(instance),
+      container_render_filter_(NULL),
       worker_route_id_(MSG_ROUTING_NONE) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
 SharedWorkerHost::~SharedWorkerHost() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
+bool SharedWorkerHost::Send(IPC::Message* message) {
+  if (!container_render_filter_) {
+    delete message;
+    return false;
+  }
+  return container_render_filter_->Send(message);
+}
+
 void SharedWorkerHost::Init(SharedWorkerMessageFilter* filter) {
+  CHECK(instance_);
   DCHECK(worker_route_id_ == MSG_ROUTING_NONE);
+  container_render_filter_ = filter;
   worker_route_id_ = filter->GetNextRoutingID();
+
+  WorkerProcessMsg_CreateWorker_Params params;
+  params.url = instance_->url();
+  params.name = instance_->name();
+  params.content_security_policy = instance_->content_security_policy();
+  params.security_policy_type = instance_->security_policy_type();
+  params.route_id = worker_route_id_;
+  Send(new WorkerProcessMsg_CreateWorker(params));
+
+  for (SharedWorkerInstance::FilterList::const_iterator i =
+           instance_->filters().begin();
+       i != instance_->filters().end(); ++i) {
+    i->filter()->Send(new ViewMsg_WorkerCreated(i->route_id()));
+  }
+}
+
+bool SharedWorkerHost::FilterMessage(const IPC::Message& message,
+                                     SharedWorkerMessageFilter* filter) {
+  if (!instance_)
+    return false;
+
+  if (!instance_->closed() &&
+      instance_->HasFilter(filter, message.routing_id())) {
+    RelayMessage(message, filter);
+    return true;
+  }
+
+  return false;
+}
+
+void SharedWorkerHost::FilterShutdown(SharedWorkerMessageFilter* filter) {
+  if (!instance_)
+    return;
+  instance_->RemoveFilters(filter);
+  instance_->worker_document_set()->RemoveAll(filter);
+  if (instance_->worker_document_set()->IsEmpty()) {
+    // This worker has no more associated documents - shut it down.
+    Send(new WorkerMsg_TerminateWorkerContext(worker_route_id_));
+  }
+}
+
+void SharedWorkerHost::DocumentDetached(SharedWorkerMessageFilter* filter,
+                                        unsigned long long document_id) {
+  if (!instance_)
+    return;
+  // Walk all instances and remove the document from their document set.
+  instance_->worker_document_set()->Remove(filter, document_id);
+  if (instance_->worker_document_set()->IsEmpty()) {
+    // This worker has no more associated documents - shut it down.
+    Send(new WorkerMsg_TerminateWorkerContext(worker_route_id_));
+  }
+}
+
+void SharedWorkerHost::WorkerContextClosed() {
+  if (!instance_)
+    return;
+  // Set the closed flag - this will stop any further messages from
+  // being sent to the worker (messages can still be sent from the worker,
+  // for exception reporting, etc).
+  instance_->set_closed(true);
+}
+
+void SharedWorkerHost::WorkerContextDestroyed() {
+  if (!instance_)
+    return;
+  instance_.reset();
+}
+
+void SharedWorkerHost::WorkerScriptLoaded() {
   // TODO(horo): implement this.
   NOTIMPLEMENTED();
 }
 
+void SharedWorkerHost::WorkerScriptLoadFailed() {
+  if (!instance_)
+    return;
+  instance_->set_load_failed(true);
+  for (SharedWorkerInstance::FilterList::const_iterator i =
+           instance_->filters().begin();
+       i != instance_->filters().end(); ++i) {
+    i->filter()->Send(new ViewMsg_WorkerScriptLoadFailed(i->route_id()));
+  }
+}
+
+void SharedWorkerHost::WorkerConnected(int message_port_id) {
+  if (!instance_)
+    return;
+  for (SharedWorkerInstance::FilterList::const_iterator i =
+           instance_->filters().begin();
+       i != instance_->filters().end(); ++i) {
+    if (i->message_port_id() != message_port_id)
+      continue;
+    i->filter()->Send(new ViewMsg_WorkerConnected(i->route_id()));
+    return;
+  }
+}
+
+void SharedWorkerHost::AllowDatabase(const GURL& url,
+                                     const base::string16& name,
+                                     const base::string16& display_name,
+                                     unsigned long estimated_size,
+                                     bool* result) {
+  // TODO(horo): implement this.
+  NOTIMPLEMENTED();
+}
+
+void SharedWorkerHost::AllowFileSystem(const GURL& url,
+                                       bool* result) {
+  // TODO(horo): implement this.
+  NOTIMPLEMENTED();
+}
+
+void SharedWorkerHost::AllowIndexedDB(const GURL& url,
+                                      const base::string16& name,
+                                      bool* result) {
+  // TODO(horo): implement this.
+  NOTIMPLEMENTED();
+}
+
+void SharedWorkerHost::RelayMessage(
+    const IPC::Message& message,
+    SharedWorkerMessageFilter* incoming_filter) {
+  if (!instance_)
+    return;
+  if (message.type() == WorkerMsg_Connect::ID) {
+    // Crack the SharedWorker Connect message to setup routing for the port.
+    int sent_message_port_id;
+    int new_routing_id;
+    if (!WorkerMsg_Connect::Read(
+            &message, &sent_message_port_id, &new_routing_id)) {
+      return;
+    }
+    DCHECK(container_render_filter_);
+    new_routing_id = container_render_filter_->GetNextRoutingID();
+    MessagePortService::GetInstance()->UpdateMessagePort(
+        sent_message_port_id,
+        container_render_filter_->message_port_message_filter(),
+        new_routing_id);
+    instance_->SetMessagePortID(incoming_filter,
+                                message.routing_id(),
+                                sent_message_port_id);
+    // Resend the message with the new routing id.
+    Send(new WorkerMsg_Connect(
+        worker_route_id_, sent_message_port_id, new_routing_id));
+
+    // Send any queued messages for the sent port.
+    MessagePortService::GetInstance()->SendQueuedMessagesIfPossible(
+        sent_message_port_id);
+  } else {
+    IPC::Message* new_message = new IPC::Message(message);
+    new_message->set_routing_id(worker_route_id_);
+    Send(new_message);
+    return;
+  }
+}
+
 }  // namespace content