| // Copyright 2015 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_BROWSER_SPLASH_SCREEN_H_ |
| #define COBALT_BROWSER_SPLASH_SCREEN_H_ |
| |
| #include <string> |
| |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/synchronization/waitable_event.h" |
| #include "cobalt/browser/lifecycle_observer.h" |
| #include "cobalt/browser/splash_screen_cache.h" |
| #include "cobalt/browser/web_module.h" |
| #include "cobalt/media/media_module_stub.h" |
| #include "googleurl/src/gurl.h" |
| |
| namespace cobalt { |
| namespace browser { |
| |
| // SplashScreen uses a WebModule to present a splash screen. |
| // |
| class SplashScreen : public LifecycleObserver { |
| public: |
| SplashScreen(base::ApplicationState initial_application_state, |
| const WebModule::OnRenderTreeProducedCallback& |
| render_tree_produced_callback, |
| network::NetworkModule* network_module, |
| const math::Size& window_dimensions, |
| render_tree::ResourceProvider* resource_provider, |
| float layout_refresh_rate, |
| const base::optional<GURL>& fallback_splash_screen_url, |
| const GURL& initial_main_web_module_url, |
| cobalt::browser::SplashScreenCache* splash_screen_cache, |
| const base::Callback<void(base::TimeDelta)>& |
| on_splash_screen_shutdown_complete); |
| ~SplashScreen(); |
| |
| void SetSize(const math::Size& window_dimensions, float video_pixel_ratio) { |
| web_module_->SetSize(window_dimensions, video_pixel_ratio); |
| } |
| |
| // LifecycleObserver implementation. |
| void Prestart() OVERRIDE { web_module_->Prestart(); } |
| void Start(render_tree::ResourceProvider* resource_provider) OVERRIDE { |
| web_module_->Start(resource_provider); |
| } |
| void Pause() OVERRIDE { web_module_->Pause(); } |
| void Unpause() OVERRIDE { web_module_->Unpause(); } |
| void Suspend() OVERRIDE { web_module_->Suspend(); } |
| void Resume(render_tree::ResourceProvider* resource_provider) OVERRIDE { |
| web_module_->Resume(resource_provider); |
| } |
| |
| void ReduceMemory() { web_module_->ReduceMemory(); } |
| |
| // This dispatches event beforeunload in the WebModule. If |
| // beforeunload has any handlers or listeners, Shutdown waits for |
| // window.close to be called or a maximum of kSplashShutdownSeconds |
| // before running |on_splash_screen_shutdown_complete_|. If beforeunload has |
| // no handlers, |on_splash_screen_shutdown_complete_| is run immediately. |
| void Shutdown(); |
| |
| // Returns whether Shutdown() has been called before or not. |
| bool ShutdownSignaled() const { return shutdown_signaled_; } |
| |
| private: |
| // Run when window.close() is called by the WebModule. |
| void OnWindowClosed(); |
| void OnWindowClosedInternal(); |
| |
| media::MediaModuleStub stub_media_module_; |
| |
| WebModule::OnRenderTreeProducedCallback render_tree_produced_callback_; |
| |
| scoped_ptr<WebModule> web_module_; |
| |
| // The splash screen runs on this message loop. |
| MessageLoop* const self_message_loop_; |
| |
| // This is called by Shutdown (via window.close) or after |
| // the time limit has been exceeded. |
| base::CancelableCallback<void(base::TimeDelta)> |
| on_splash_screen_shutdown_complete_; |
| |
| // True if SplashScreen::Shutdown() has been called. |
| bool shutdown_signaled_; |
| }; |
| |
| } // namespace browser |
| } // namespace cobalt |
| |
| #endif // COBALT_BROWSER_SPLASH_SCREEN_H_ |