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 #include "ppapi/shared_impl/ppapi_permissions.h" 6 7 #include "base/command_line.h" 8 #include "base/logging.h" 9 #include "ppapi/shared_impl/ppapi_switches.h" 10 11 namespace ppapi { 12 13 PpapiPermissions::PpapiPermissions() : permissions_(0) { 14 } 15 16 PpapiPermissions::PpapiPermissions(uint32 perms) : permissions_(perms) { 17 } 18 19 PpapiPermissions::~PpapiPermissions() { 20 } 21 22 // static 23 PpapiPermissions PpapiPermissions::AllPermissions() { 24 return PpapiPermissions(PERMISSION_ALL_BITS); 25 } 26 27 // static 28 PpapiPermissions PpapiPermissions::GetForCommandLine(uint32 base_perms) { 29 uint32 additional_permissions = 0; 30 31 #if !defined(OS_NACL) 32 // Testing permissions. The testing flag implies all permissions since the 33 // test plugin needs to test all interfaces. 34 if (CommandLine::ForCurrentProcess()->HasSwitch( 35 switches::kEnablePepperTesting)) 36 additional_permissions |= ppapi::PERMISSION_ALL_BITS; 37 #endif 38 39 return PpapiPermissions(base_perms | additional_permissions); 40 } 41 42 bool PpapiPermissions::HasPermission(Permission perm) const { 43 // Check that "perm" is a power of two to make sure the caller didn't set 44 // more than one permission bit. We may want to change how permissions are 45 // represented in the future so don't want callers making assumptions about 46 // bits. 47 uint32 perm_int = static_cast<uint32>(perm); 48 if (!perm_int) 49 return true; // You always have "no permission". 50 DCHECK((perm_int & (perm_int - 1)) == 0); 51 return !!(permissions_ & perm_int); 52 } 53 54 } // namespace ppapi 55
