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// Copyright (c) 2011 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 WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_
#define WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_
#include "base/compiler_specific.h"
#include "ppapi/shared_impl/ppapi_globals.h"
#include "ppapi/shared_impl/var_tracker.h"
#include "webkit/plugins/ppapi/host_resource_tracker.h"
#include "webkit/plugins/ppapi/host_var_tracker.h"
#include "webkit/plugins/webkit_plugins_export.h"
namespace webkit {
namespace ppapi {
class PluginInstance;
class PluginModule;
class HostGlobals : public ::ppapi::PpapiGlobals {
public:
HostGlobals();
virtual ~HostGlobals();
// Getter for the global singleton. Generally, you should use
// PpapiGlobals::Get() when possible. Use this only when you need some
// host-specific functionality.
inline static HostGlobals* Get() { return host_globals_; }
// PpapiGlobals implementation.
virtual ::ppapi::ResourceTracker* GetResourceTracker() OVERRIDE;
virtual ::ppapi::VarTracker* GetVarTracker() OVERRIDE;
virtual ::ppapi::FunctionGroupBase* GetFunctionAPI(
PP_Instance inst,
::ppapi::ApiID id) OVERRIDE;
virtual PP_Module GetModuleForInstance(PP_Instance instance) OVERRIDE;
HostResourceTracker* host_resource_tracker() {
return &host_resource_tracker_;
}
HostVarTracker* host_var_tracker() {
return &host_var_tracker_;
}
// PP_Modules ----------------------------------------------------------------
// Adds a new plugin module to the list of tracked module, and returns a new
// module handle to identify it.
PP_Module AddModule(PluginModule* module);
// Called when a plugin modulde was deleted and should no longer be tracked.
// The given handle should be one generated by AddModule.
void ModuleDeleted(PP_Module module);
// Returns a pointer to the plugin modulde object associated with the given
// modulde handle. The return value will be NULL if the handle is invalid.
PluginModule* GetModule(PP_Module module);
// PP_Instances --------------------------------------------------------------
// Adds a new plugin instance to the list of tracked instances, and returns a
// new instance handle to identify it.
PP_Instance AddInstance(PluginInstance* instance);
// Called when a plugin instance was deleted and should no longer be tracked.
// The given handle should be one generated by AddInstance.
void InstanceDeleted(PP_Instance instance);
void InstanceCrashed(PP_Instance instance);
// Returns a pointer to the plugin instance object associated with the given
// instance handle. The return value will be NULL if the handle is invalid or
// if the instance has crashed.
WEBKIT_PLUGINS_EXPORT PluginInstance* GetInstance(PP_Instance instance);
private:
// Per-instance data we track.
struct InstanceData;
WEBKIT_PLUGINS_EXPORT static HostGlobals* host_globals_;
HostResourceTracker host_resource_tracker_;
HostVarTracker host_var_tracker_;
// Tracks all live instances and their associated data.
typedef std::map<PP_Instance, linked_ptr<InstanceData> > InstanceMap;
InstanceMap instance_map_;
// Tracks all live modules. The pointers are non-owning, the PluginModule
// destructor will notify us when the module is deleted.
typedef std::map<PP_Module, PluginModule*> ModuleMap;
ModuleMap module_map_;
DISALLOW_COPY_AND_ASSIGN(HostGlobals);
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_
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