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| 1 // Copyright 2015 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 #include "chrome/browser/chromeos/file_system_provider/file_system_plugin/plugin
_operation_router.h" |
| 6 |
| 7 #include "base/memory/singleton.h" |
| 8 #include "content/public/browser/browser_thread.h" |
| 9 #include "extensions/browser/event_router.h" |
| 10 |
| 11 using content::BrowserThread; |
| 12 using extensions::Event; |
| 13 |
| 14 namespace chromeos { |
| 15 namespace file_system_provider { |
| 16 PluginOperationRouter::PluginOperationRouter() : weak_ptr_factory_(this) { |
| 17 } |
| 18 |
| 19 PluginOperationRouter::~PluginOperationRouter() { |
| 20 } |
| 21 |
| 22 // Static |
| 23 PluginOperationRouter* PluginOperationRouter::GetInstance() { |
| 24 return Singleton<PluginOperationRouter>::get(); |
| 25 } |
| 26 |
| 27 void PluginOperationRouter::AddOperationsForListener( |
| 28 const std::vector<RequestType>& operation_types, |
| 29 PluginOperationRouterClient* plugin_ref, |
| 30 const std::string& plugin_id) { |
| 31 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 32 for ( |
| 33 std::vector<RequestType>::const_iterator it = |
| 34 operation_types.begin(); |
| 35 it != operation_types.end(); ++it) { |
| 36 AddOperationForListener(*it, plugin_ref, plugin_id); |
| 37 } |
| 38 } |
| 39 |
| 40 void PluginOperationRouter::AddOperationForListener( |
| 41 RequestType operation_type, |
| 42 PluginOperationRouterClient* plugin_ref, |
| 43 const std::string& plugin_id) { |
| 44 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 45 OperationsListIterator it = listOfListenedEvents_.find(operation_type); |
| 46 // If the event is not in the list add it |
| 47 if (it == listOfListenedEvents_.end()) { |
| 48 it = listOfListenedEvents_.insert(listOfListenedEvents_.begin(), |
| 49 std::make_pair(operation_type, |
| 50 PluginInstances() ) ); |
| 51 } |
| 52 it->second.insert( std::make_pair(plugin_id, plugin_ref) ); |
| 53 } |
| 54 |
| 55 void PluginOperationRouter::RemoveOperationsForListener( |
| 56 const std::vector<RequestType>& operation_types, |
| 57 const std::string& plugin_id) { |
| 58 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 59 for (std::vector<RequestType>::const_iterator |
| 60 it = operation_types.begin(); |
| 61 it != operation_types.end(); ++it) { |
| 62 RemoveOperationForListener(*it, plugin_id); |
| 63 } |
| 64 } |
| 65 |
| 66 void PluginOperationRouter::RemoveOperationForListener( |
| 67 RequestType operation_type, |
| 68 const std::string& plugin_id) { |
| 69 DCHECK_CURRENTLY_ON(BrowserThread::IO); |
| 70 OperationsListIterator it = listOfListenedEvents_.find(operation_type); |
| 71 |
| 72 if (it!=listOfListenedEvents_.end()) { |
| 73 PluginInstancesIterator plugin_it = it->second.find(plugin_id); |
| 74 if (plugin_it!=it->second.end()) |
| 75 it->second.erase(plugin_it); |
| 76 if(it->second.size()==0) |
| 77 listOfListenedEvents_.erase(it); |
| 78 } |
| 79 } |
| 80 |
| 81 bool PluginOperationRouter::PluginHasOperationListener( |
| 82 RequestType operation_type, |
| 83 const std::string& plugin_id) { |
| 84 OperationsListIterator it = listOfListenedEvents_.find(operation_type); |
| 85 if (it != listOfListenedEvents_.end()) |
| 86 return it->second.find(plugin_id)!=it->second.end(); |
| 87 return false; |
| 88 } |
| 89 |
| 90 void PluginOperationRouter::DispatchOperationToPlugin( |
| 91 const std::string& plugin_id, |
| 92 scoped_ptr<extensions::Event> request) { |
| 93 if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) { |
| 94 BrowserThread::PostTask( |
| 95 BrowserThread::IO, FROM_HERE, |
| 96 base::Bind( |
| 97 base::IgnoreResult(&PluginOperationRouter::DispatchOperationToPlugin
), |
| 98 weak_ptr_factory_.GetWeakPtr(), plugin_id, |
| 99 base::Passed(request.Pass()))); |
| 100 return; |
| 101 } |
| 102 RequestType type = ProvidedFileSystemAdapter::OperationTypeFromExtensionEvent( |
| 103 request->event_name); |
| 104 OperationsListIterator it = listOfListenedEvents_.find(type); |
| 105 if (it != listOfListenedEvents_.end()) { |
| 106 PluginInstancesIterator plugin_it = it->second.find( plugin_id ); |
| 107 if (plugin_it!=it->second.end()) |
| 108 plugin_it->second->OnDispatchOperationRequest(type, |
| 109 request->event_args.Pass()); |
| 110 } |
| 111 } |
| 112 } // namespace file_system_provider |
| 113 } // namespace chromeos |
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