1 // Copyright 2014 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 "ui/ozone/platform_selection.h" 6 7 #include "base/command_line.h" 8 #include "base/logging.h" 9 #include "ui/ozone/ozone_switches.h" 10 #include "ui/ozone/platform_list.h" 11 12 namespace ui { 13 14 namespace { 15 16 // Returns the name of the platform to use (value of --ozone-platform flag). GetPlatformName()17std::string GetPlatformName() { 18 // The first platform is the default. 19 if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kOzonePlatform) && 20 kPlatformCount > 0) 21 return kPlatformNames[0]; 22 return CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 23 switches::kOzonePlatform); 24 } 25 26 int g_selected_platform = -1; 27 28 } // namespace 29 GetOzonePlatformId()30int GetOzonePlatformId() { 31 if (g_selected_platform >= 0) 32 return g_selected_platform; 33 34 std::string platform_name = GetPlatformName(); 35 36 // Search for a matching platform in the list. 37 for (int platform_id = 0; platform_id < kPlatformCount; ++platform_id) { 38 if (platform_name == kPlatformNames[platform_id]) { 39 g_selected_platform = platform_id; 40 return g_selected_platform; 41 } 42 } 43 44 LOG(FATAL) << "Invalid ozone platform: " << platform_name; 45 return -1; // not reached 46 } 47 GetOzonePlatformName()48const char* GetOzonePlatformName() { 49 return kPlatformNames[GetOzonePlatformId()]; 50 } 51 52 } // namespace ui 53