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| 1 // Copyright (c) 2006-2008 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/test/automation/automation_handle_tracker.h" | |
| 6 | |
| 7 #include "chrome/common/automation_messages.h" | |
| 8 #include "chrome/test/automation/automation_proxy.h" | |
| 9 | |
| 10 AutomationResourceProxy::AutomationResourceProxy( | |
| 11 AutomationHandleTracker* tracker, AutomationMessageSender* sender, | |
| 12 AutomationHandle handle) | |
| 13 : handle_(handle), | |
| 14 tracker_(tracker), | |
| 15 sender_(sender), | |
| 16 is_valid_(true) { | |
| 17 tracker_->Add(this); | |
| 18 } | |
| 19 | |
| 20 AutomationResourceProxy::~AutomationResourceProxy() { | |
| 21 if (tracker_) | |
| 22 tracker_->Remove(this); | |
| 23 } | |
| 24 | |
| 25 AutomationHandleTracker::AutomationHandleTracker() : channel_(NULL) {} | |
| 26 | |
| 27 AutomationHandleTracker::~AutomationHandleTracker() { | |
| 28 // Tell any live objects that the tracker is going away so they don't try to | |
| 29 // call us when they are being destroyed. | |
| 30 for (HandleToObjectMap::iterator iter = handle_to_object_.begin(); | |
| 31 iter != handle_to_object_.end(); ++iter) { | |
| 32 iter->second->Invalidate(); | |
| 33 } | |
| 34 } | |
| 35 | |
| 36 void AutomationHandleTracker::Add(AutomationResourceProxy* proxy) { | |
| 37 base::AutoLock lock(map_lock_); | |
| 38 handle_to_object_.insert(MapEntry(proxy->handle(), proxy)); | |
| 39 } | |
| 40 | |
| 41 void AutomationHandleTracker::Remove(AutomationResourceProxy* proxy) { | |
| 42 base::AutoLock lock(map_lock_); | |
| 43 HandleToObjectMap::iterator iter = handle_to_object_.find(proxy->handle()); | |
| 44 if (iter != handle_to_object_.end()) { | |
| 45 AutomationHandle proxy_handle = proxy->handle(); | |
| 46 handle_to_object_.erase(iter); | |
| 47 if (channel_) | |
| 48 channel_->Send(new AutomationMsg_HandleUnused(proxy_handle)); | |
| 49 } | |
| 50 } | |
| 51 | |
| 52 void AutomationHandleTracker::InvalidateHandle(AutomationHandle handle) { | |
| 53 // Called in background thread. | |
| 54 base::AutoLock lock(map_lock_); | |
| 55 HandleToObjectMap::iterator iter = handle_to_object_.find(handle); | |
| 56 if (iter != handle_to_object_.end()) { | |
| 57 scoped_refptr<AutomationResourceProxy> proxy = iter->second; | |
| 58 handle_to_object_.erase(iter); | |
| 59 proxy->Invalidate(); | |
| 60 } | |
| 61 } | |
| 62 | |
| 63 AutomationResourceProxy* AutomationHandleTracker::GetResource( | |
| 64 AutomationHandle handle) { | |
| 65 base::AutoLock lock(map_lock_); | |
| 66 HandleToObjectMap::iterator iter = handle_to_object_.find(handle); | |
| 67 if (iter == handle_to_object_.end()) | |
| 68 return NULL; | |
| 69 | |
| 70 iter->second->AddRef(); | |
| 71 return iter->second.get(); | |
| 72 } | |
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