1 // Copyright (c) 2011 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 #include "content/renderer/pepper/npobject_var.h" 6 7 #include "base/logging.h" 8 #include "content/renderer/pepper/host_globals.h" 9 #include "content/renderer/pepper/host_var_tracker.h" 10 #include "ppapi/c/pp_var.h" 11 #include "third_party/WebKit/public/web/WebBindings.h" 12 13 using blink::WebBindings; 14 15 namespace ppapi { 16 17 // NPObjectVar ----------------------------------------------------------------- 18 19 NPObjectVar::NPObjectVar(PP_Instance instance, NPObject* np_object) 20 : pp_instance_(instance), np_object_(np_object) { 21 WebBindings::retainObject(np_object_); 22 content::HostGlobals::Get()->host_var_tracker()->AddNPObjectVar(this); 23 } 24 25 NPObjectVar::~NPObjectVar() { 26 if (pp_instance()) 27 content::HostGlobals::Get()->host_var_tracker()->RemoveNPObjectVar(this); 28 WebBindings::releaseObject(np_object_); 29 } 30 31 NPObjectVar* NPObjectVar::AsNPObjectVar() { return this; } 32 33 PP_VarType NPObjectVar::GetType() const { return PP_VARTYPE_OBJECT; } 34 35 void NPObjectVar::InstanceDeleted() { 36 DCHECK(pp_instance_); 37 content::HostGlobals::Get()->host_var_tracker()->RemoveNPObjectVar(this); 38 pp_instance_ = 0; 39 } 40 41 // static 42 scoped_refptr<NPObjectVar> NPObjectVar::FromPPVar(PP_Var var) { 43 if (var.type != PP_VARTYPE_OBJECT) 44 return scoped_refptr<NPObjectVar>(NULL); 45 scoped_refptr<Var> var_object( 46 PpapiGlobals::Get()->GetVarTracker()->GetVar(var)); 47 if (!var_object.get()) 48 return scoped_refptr<NPObjectVar>(); 49 return scoped_refptr<NPObjectVar>(var_object->AsNPObjectVar()); 50 } 51 52 } // namespace ppapi 53
