| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef COBALT_BASE_WRAP_MAIN_STARBOARD_H_ |
| #define COBALT_BASE_WRAP_MAIN_STARBOARD_H_ |
| |
| #include "base/at_exit.h" |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/message_loop.h" |
| #include "cobalt/base/init_cobalt.h" |
| #include "cobalt/base/wrap_main.h" |
| #include "starboard/client_porting/wrap_main/wrap_main.h" |
| #include "starboard/event.h" |
| #include "starboard/system.h" |
| |
| namespace cobalt { |
| namespace wrap_main { |
| |
| // Starboard implementation of the "Base Main" use case. |
| template <StartFunction preload_function, StartFunction start_function, |
| EventFunction event_function, StopFunction stop_function> |
| void BaseEventHandler(const SbEvent* event) { |
| static base::AtExitManager* g_at_exit = NULL; |
| static MessageLoopForUI* g_loop = NULL; |
| static bool g_started = false; |
| switch (event->type) { |
| #if SB_API_VERSION >= SB_PRELOAD_API_VERSION |
| case kSbEventTypePreload: { |
| SbEventStartData* data = static_cast<SbEventStartData*>(event->data); |
| |
| DCHECK(!g_started); |
| DCHECK(!g_at_exit); |
| g_at_exit = new base::AtExitManager(); |
| InitCobalt(data->argument_count, data->argument_values, data->link); |
| |
| DCHECK(!g_loop); |
| g_loop = new MessageLoopForUI(); |
| g_loop->set_thread_name("Main"); |
| g_loop->Start(); |
| |
| preload_function(data->argument_count, data->argument_values, data->link, |
| base::Bind(&SbSystemRequestStop, 0)); |
| g_started = true; |
| break; |
| } |
| #endif // SB_API_VERSION >= SB_PRELOAD_API_VERSION |
| case kSbEventTypeStart: { |
| SbEventStartData* data = static_cast<SbEventStartData*>(event->data); |
| |
| if (!g_started) { |
| DCHECK(!g_at_exit); |
| g_at_exit = new base::AtExitManager(); |
| |
| InitCobalt(data->argument_count, data->argument_values, data->link); |
| |
| DCHECK(!g_loop); |
| g_loop = new MessageLoopForUI(); |
| g_loop->set_thread_name("Main"); |
| g_loop->Start(); |
| } |
| |
| start_function(data->argument_count, data->argument_values, data->link, |
| base::Bind(&SbSystemRequestStop, 0)); |
| g_started = true; |
| break; |
| } |
| case kSbEventTypeStop: { |
| DCHECK(g_started); |
| DCHECK(g_at_exit); |
| DCHECK(g_loop); |
| |
| stop_function(); |
| |
| // Force the loop to quit. |
| g_loop->QuitNow(); |
| delete g_loop; |
| g_loop = NULL; |
| |
| // Run all at-exit tasks just before terminating. |
| delete g_at_exit; |
| g_at_exit = NULL; |
| break; |
| } |
| default: |
| event_function(event); |
| break; |
| } |
| } |
| |
| template <MainFunction main_function> |
| int CobaltMainAddOns(int argc, char** argv) { |
| base::AtExitManager at_exit; |
| cobalt::InitCobalt(argc, argv, NULL); |
| return main_function(argc, argv); |
| } |
| |
| } // namespace wrap_main |
| } // namespace cobalt |
| |
| // The generic main wrapper that initializes the main MessageLoop and |
| // AtExitManager, supports a preload function, start function, event handler, |
| // and stop function. |
| #define COBALT_WRAP_MAIN(preload_function, start_function, event_function, \ |
| stop_function) \ |
| void SbEventHandle(const SbEvent* event) { \ |
| return ::cobalt::wrap_main::BaseEventHandler< \ |
| preload_function, start_function, event_function, stop_function>( \ |
| event); \ |
| } |
| |
| // Like COBALT_WRAP_BASE_MAIN, but supports an event_function to forward |
| // non-application events to. |
| #define COBALT_WRAP_EVENT_MAIN(start_function, event_function, stop_function) \ |
| COBALT_WRAP_MAIN(::cobalt::wrap_main::NoopStartFunction, start_function, \ |
| event_function, stop_function) |
| |
| // Creates a MessageLoop and an AtExitManager, calls |start_function|, and |
| // terminates once the MessageLoop terminates, calling |stop_function| on the |
| // way out. |
| #define COBALT_WRAP_BASE_MAIN(start_function, stop_function) \ |
| COBALT_WRAP_MAIN(::cobalt::wrap_main::NoopStartFunction, start_function, \ |
| ::cobalt::wrap_main::NoopEventFunction, stop_function) |
| |
| // Calls |main_function| at startup, creates an AtExitManager and calls |
| // InitCobalt, and terminates once it is completed. |
| #define COBALT_WRAP_SIMPLE_MAIN(main_function) \ |
| STARBOARD_WRAP_SIMPLE_MAIN( \ |
| ::cobalt::wrap_main::CobaltMainAddOns<main_function>); |
| |
| #endif // COBALT_BASE_WRAP_MAIN_STARBOARD_H_ |