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// Copyright (c) 2012 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_GLOBALS_H_
#define PPAPI_PROXY_PLUGIN_GLOBALS_H_
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread_local_storage.h"
#include "ppapi/proxy/plugin_resource_tracker.h"
#include "ppapi/proxy/plugin_var_tracker.h"
#include "ppapi/proxy/ppapi_proxy_export.h"
#include "ppapi/shared_impl/callback_tracker.h"
#include "ppapi/shared_impl/ppapi_globals.h"
namespace ppapi {
namespace proxy {
class PluginProxyDelegate;
class PPAPI_PROXY_EXPORT PluginGlobals : public PpapiGlobals {
public:
PluginGlobals();
PluginGlobals(PpapiGlobals::ForTest);
virtual ~PluginGlobals();
// Getter for the global singleton. Generally, you should use
// PpapiGlobals::Get() when possible. Use this only when you need some
// plugin-specific functionality.
inline static PluginGlobals* Get() {
DCHECK(PpapiGlobals::Get()->IsPluginGlobals());
return static_cast<PluginGlobals*>(PpapiGlobals::Get());
}
// PpapiGlobals implementation.
virtual ResourceTracker* GetResourceTracker() OVERRIDE;
virtual VarTracker* GetVarTracker() OVERRIDE;
virtual CallbackTracker* GetCallbackTrackerForInstance(
PP_Instance instance) OVERRIDE;
virtual thunk::PPB_Instance_API* GetInstanceAPI(
PP_Instance instance) OVERRIDE;
virtual thunk::ResourceCreationAPI* GetResourceCreationAPI(
PP_Instance instance) OVERRIDE;
virtual PP_Module GetModuleForInstance(PP_Instance instance) OVERRIDE;
virtual std::string GetCmdLine() OVERRIDE;
virtual void PreCacheFontForFlash(const void* logfontw) OVERRIDE;
virtual base::Lock* GetProxyLock() OVERRIDE;
virtual void LogWithSource(PP_Instance instance,
PP_LogLevel_Dev level,
const std::string& source,
const std::string& value) OVERRIDE;
virtual void BroadcastLogWithSource(PP_Module module,
PP_LogLevel_Dev level,
const std::string& source,
const std::string& value) OVERRIDE;
// Getters for the plugin-specific versions.
PluginResourceTracker* plugin_resource_tracker() {
return &plugin_resource_tracker_;
}
PluginVarTracker* plugin_var_tracker() {
return &plugin_var_tracker_;
}
// The embedder should call set_proxy_delegate during startup.
PluginProxyDelegate* plugin_proxy_delegate() {
return plugin_proxy_delegate_;
}
void set_plugin_proxy_delegate(PluginProxyDelegate* d) {
plugin_proxy_delegate_ = d;
}
// Returns the TLS slot that holds the message loop TLS.
//
// If we end up needing more TLS storage for more stuff, we should probably
// have a struct in here for the different items.
base::ThreadLocalStorage::Slot* msg_loop_slot() {
return msg_loop_slot_.get();
}
// Sets the message loop slot, takes ownership of the given heap-alloated
// pointer.
void set_msg_loop_slot(base::ThreadLocalStorage::Slot* slot) {
msg_loop_slot_.reset(slot);
}
// The embedder should call this function when the name of the plugin module
// is known. This will be used for error logging.
void set_plugin_name(const std::string& name) { plugin_name_ = name; }
// The embedder should call this function when the command line is known.
void set_command_line(const std::string& c) { command_line_ = c; }
private:
// PpapiGlobals overrides.
virtual bool IsPluginGlobals() const OVERRIDE;
static PluginGlobals* plugin_globals_;
PluginProxyDelegate* plugin_proxy_delegate_;
PluginResourceTracker plugin_resource_tracker_;
PluginVarTracker plugin_var_tracker_;
scoped_refptr<CallbackTracker> callback_tracker_;
base::Lock proxy_lock_;
scoped_ptr<base::ThreadLocalStorage::Slot> msg_loop_slot_;
// Name of the plugin used for error logging. This will be empty until
// set_plugin_name is called.
std::string plugin_name_;
// Command line for the plugin. This will be empty until set_command_line is
// called.
std::string command_line_;
DISALLOW_COPY_AND_ASSIGN(PluginGlobals);
};
} // namespace proxy
} // namespace ppapi
#endif // PPAPI_PROXY_PLUGIN_GLOBALS_H_
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