Core PPAPI proxy files. This includes the dispatcher which is the control poi...

ppapi/proxy/plugin_resource_tracker.h

+// Copyright (c) 2010 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 PPAPI_PROXY_PLUGIN_RESOURCE_TRACKER_H_
+#define PPAPI_PROXY_PLUGIN_RESOURCE_TRACKER_H_
+
+#include <map>
+
+#include "base/linked_ptr.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/pp_var.h"
+
+namespace pp {
+namespace proxy {
+
+class PluginDispatcher;
+class PluginResource;
+
+class PluginResourceTracker {
+ public:
+  PluginResourceTracker(PluginDispatcher* dispatcher);
+  ~PluginResourceTracker();
+
+  // Returns the object associated with the given resource ID, or NULL if
+  // there isn't one.
+  PluginResource* GetResourceObject(PP_Resource pp_resource);
+
+  void AddResource(PP_Resource pp_resource, linked_ptr<PluginResource> object);
+
+  void AddRefResource(PP_Resource resource);
+  void ReleaseResource(PP_Resource resource);
+
+ private:
+  struct ResourceInfo {
+    ResourceInfo();
+    ResourceInfo(int ref_count, linked_ptr<PluginResource> r);
+    ResourceInfo(const ResourceInfo& other);
+    ~ResourceInfo();
+
+    ResourceInfo& operator=(const ResourceInfo& other);
+
+    int ref_count;
+    linked_ptr<PluginResource> resource;  // May be NULL.
+  };
+
+  void ReleasePluginResourceRef(const PP_Resource& var,
+                                bool notify_browser_on_release);
+
+  // Pointer to the dispatcher that owns us.
+  PluginDispatcher* dispatcher_;
+
+  typedef std::map<PP_Resource, ResourceInfo> ResourceMap;
+  ResourceMap resource_map_;
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PLUGIN_RESOURCE_TRACKER_H_