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| 1 // Copyright (c) 2012 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 #ifndef WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_ | |
| 6 #define WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_ | |
| 7 | |
| 8 #include "base/compiler_specific.h" | |
| 9 #include "ppapi/shared_impl/callback_tracker.h" | |
| 10 #include "ppapi/shared_impl/ppapi_globals.h" | |
| 11 #include "ppapi/shared_impl/resource_tracker.h" | |
| 12 #include "ppapi/shared_impl/var_tracker.h" | |
| 13 #include "webkit/plugins/ppapi/host_var_tracker.h" | |
| 14 #include "webkit/plugins/webkit_plugins_export.h" | |
| 15 | |
| 16 namespace webkit { | |
| 17 namespace ppapi { | |
| 18 | |
| 19 class PluginInstanceImpl; | |
| 20 class PluginModule; | |
| 21 | |
| 22 class HostGlobals : public ::ppapi::PpapiGlobals { | |
| 23 public: | |
| 24 HostGlobals(); | |
| 25 explicit HostGlobals(::ppapi::PpapiGlobals::PerThreadForTest); | |
| 26 virtual ~HostGlobals(); | |
| 27 | |
| 28 // Getter for the global singleton. Generally, you should use | |
| 29 // PpapiGlobals::Get() when possible. Use this only when you need some | |
| 30 // host-specific functionality. | |
| 31 inline static HostGlobals* Get() { | |
| 32 DCHECK(PpapiGlobals::Get()->IsHostGlobals()); | |
| 33 return static_cast<HostGlobals*>(PpapiGlobals::Get()); | |
| 34 } | |
| 35 | |
| 36 // PpapiGlobals implementation. | |
| 37 virtual ::ppapi::ResourceTracker* GetResourceTracker() OVERRIDE; | |
| 38 virtual ::ppapi::VarTracker* GetVarTracker() OVERRIDE; | |
| 39 virtual ::ppapi::CallbackTracker* GetCallbackTrackerForInstance( | |
| 40 PP_Instance instance) OVERRIDE; | |
| 41 virtual ::ppapi::thunk::PPB_Instance_API* GetInstanceAPI( | |
| 42 PP_Instance instance) OVERRIDE; | |
| 43 virtual ::ppapi::thunk::ResourceCreationAPI* GetResourceCreationAPI( | |
| 44 PP_Instance instance) OVERRIDE; | |
| 45 virtual PP_Module GetModuleForInstance(PP_Instance instance) OVERRIDE; | |
| 46 virtual std::string GetCmdLine() OVERRIDE; | |
| 47 virtual void PreCacheFontForFlash(const void* logfontw) OVERRIDE; | |
| 48 virtual base::Lock* GetProxyLock() OVERRIDE; | |
| 49 virtual void LogWithSource(PP_Instance instance, | |
| 50 PP_LogLevel level, | |
| 51 const std::string& source, | |
| 52 const std::string& value) OVERRIDE; | |
| 53 virtual void BroadcastLogWithSource(PP_Module module, | |
| 54 PP_LogLevel level, | |
| 55 const std::string& source, | |
| 56 const std::string& value) OVERRIDE; | |
| 57 virtual ::ppapi::MessageLoopShared* GetCurrentMessageLoop() OVERRIDE; | |
| 58 virtual base::TaskRunner* GetFileTaskRunner(PP_Instance instance) OVERRIDE; | |
| 59 | |
| 60 HostVarTracker* host_var_tracker() { | |
| 61 return &host_var_tracker_; | |
| 62 } | |
| 63 | |
| 64 // PP_Modules ---------------------------------------------------------------- | |
| 65 | |
| 66 // Adds a new plugin module to the list of tracked module, and returns a new | |
| 67 // module handle to identify it. | |
| 68 PP_Module AddModule(PluginModule* module); | |
| 69 | |
| 70 // Called when a plugin modulde was deleted and should no longer be tracked. | |
| 71 // The given handle should be one generated by AddModule. | |
| 72 void ModuleDeleted(PP_Module module); | |
| 73 | |
| 74 // Returns a pointer to the plugin modulde object associated with the given | |
| 75 // modulde handle. The return value will be NULL if the handle is invalid. | |
| 76 PluginModule* GetModule(PP_Module module); | |
| 77 | |
| 78 // PP_Instances -------------------------------------------------------------- | |
| 79 | |
| 80 // Adds a new plugin instance to the list of tracked instances, and returns a | |
| 81 // new instance handle to identify it. | |
| 82 PP_Instance AddInstance(PluginInstanceImpl* instance); | |
| 83 | |
| 84 // Called when a plugin instance was deleted and should no longer be tracked. | |
| 85 // The given handle should be one generated by AddInstance. | |
| 86 void InstanceDeleted(PP_Instance instance); | |
| 87 | |
| 88 void InstanceCrashed(PP_Instance instance); | |
| 89 | |
| 90 // Returns a pointer to the plugin instance object associated with the given | |
| 91 // instance handle. The return value will be NULL if the handle is invalid or | |
| 92 // if the instance has crashed. | |
| 93 WEBKIT_PLUGINS_EXPORT PluginInstanceImpl* GetInstance(PP_Instance instance); | |
| 94 | |
| 95 private: | |
| 96 // PpapiGlobals overrides. | |
| 97 virtual bool IsHostGlobals() const OVERRIDE; | |
| 98 | |
| 99 WEBKIT_PLUGINS_EXPORT static HostGlobals* host_globals_; | |
| 100 | |
| 101 ::ppapi::ResourceTracker resource_tracker_; | |
| 102 HostVarTracker host_var_tracker_; | |
| 103 | |
| 104 // Tracks all live instances and their associated object. | |
| 105 typedef std::map<PP_Instance, PluginInstanceImpl*> InstanceMap; | |
| 106 InstanceMap instance_map_; | |
| 107 | |
| 108 // Tracks all live modules. The pointers are non-owning, the PluginModule | |
| 109 // destructor will notify us when the module is deleted. | |
| 110 typedef std::map<PP_Module, PluginModule*> ModuleMap; | |
| 111 ModuleMap module_map_; | |
| 112 | |
| 113 DISALLOW_COPY_AND_ASSIGN(HostGlobals); | |
| 114 }; | |
| 115 | |
| 116 } // namespace ppapi | |
| 117 } // namespace webkit | |
| 118 | |
| 119 #endif // WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_ | |
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