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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "webkit/glue/plugins/pepper_resource_tracker.h" | 5 #include "webkit/glue/plugins/pepper_resource_tracker.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 #include <set> | 8 #include <set> |
9 | 9 |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "third_party/ppapi/c/pp_resource.h" | 11 #include "third_party/ppapi/c/pp_resource.h" |
12 #include "webkit/glue/plugins/pepper_resource.h" | 12 #include "webkit/glue/plugins/pepper_resource.h" |
13 | 13 |
14 namespace pepper { | 14 namespace pepper { |
15 | 15 |
16 scoped_refptr<Resource> ResourceTracker::GetResource(PP_Resource res) const { | 16 scoped_refptr<Resource> ResourceTracker::GetResource(PP_Resource res) const { |
17 ResourceMap::const_iterator result = live_resources_.find(res); | 17 ResourceMap::const_iterator result = live_resources_.find(res); |
18 if (result == live_resources_.end()) { | 18 if (result == live_resources_.end()) { |
19 return scoped_refptr<Resource>(); | 19 return scoped_refptr<Resource>(); |
20 } | 20 } |
21 return result->second.first; | 21 return result->second.first; |
22 } | 22 } |
23 | 23 |
| 24 ResourceTracker::ResourceTracker() |
| 25 : last_id_(0) { |
| 26 } |
| 27 |
| 28 ResourceTracker::~ResourceTracker() { |
| 29 } |
| 30 |
24 PP_Resource ResourceTracker::AddResource(Resource* resource) { | 31 PP_Resource ResourceTracker::AddResource(Resource* resource) { |
25 // If the plugin manages to create 4B resources... | 32 // If the plugin manages to create 4B resources... |
26 if (last_id_ == std::numeric_limits<PP_Resource>::max()) { | 33 if (last_id_ == std::numeric_limits<PP_Resource>::max()) { |
27 return 0; | 34 return 0; |
28 } | 35 } |
29 // Add the resource with plugin use-count 1. | 36 // Add the resource with plugin use-count 1. |
30 ++last_id_; | 37 ++last_id_; |
31 live_resources_.insert(std::make_pair(last_id_, std::make_pair(resource, 1))); | 38 live_resources_.insert(std::make_pair(last_id_, std::make_pair(resource, 1))); |
32 return last_id_; | 39 return last_id_; |
33 } | 40 } |
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66 // module->resource lookup to free resources when a module is unloaded. In | 73 // module->resource lookup to free resources when a module is unloaded. In |
67 // this case, this function can be implemented using that system. | 74 // this case, this function can be implemented using that system. |
68 uint32 count = 0; | 75 uint32 count = 0; |
69 for (ResourceMap::const_iterator i = live_resources_.begin(); | 76 for (ResourceMap::const_iterator i = live_resources_.begin(); |
70 i != live_resources_.end(); ++i) | 77 i != live_resources_.end(); ++i) |
71 count++; | 78 count++; |
72 return count; | 79 return count; |
73 } | 80 } |
74 | 81 |
75 } // namespace pepper | 82 } // namespace pepper |
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