blob: be261f8c3b2c7e371c6afb18ae939de436cff1ec [file] [log] [blame]
// Copyright 2015 The Cobalt Authors. 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_APPLICATION_H_
#define COBALT_BROWSER_APPLICATION_H_
#include <memory>
#include "base/callback.h"
#include "base/command_line.h"
#include "base/message_loop/message_loop.h"
#include "base/threading/thread_checker.h"
#include "cobalt/account/account_manager.h"
#include "cobalt/base/event_dispatcher.h"
#include "cobalt/browser/browser_module.h"
#include "cobalt/browser/memory_tracker/tool.h"
#include "cobalt/system_window/system_window.h"
#include "starboard/event.h"
#if defined(ENABLE_WEBDRIVER)
#include "cobalt/webdriver/web_driver_module.h"
#endif
#if defined(ENABLE_DEBUGGER)
#include "cobalt/debug/remote/debug_web_server.h"
#endif
namespace cobalt {
namespace browser {
// The Application class is meant to manage the main thread's UI message
// loop. This class is not designed to be thread safe.
class Application {
public:
// The passed in |quit_closure| can be called internally by the Application to
// signal that it would like to quit.
Application(const base::Closure& quit_closure, bool should_preload);
virtual ~Application();
// Start from a preloaded state.
void Start();
void Quit();
void HandleStarboardEvent(const SbEvent* event);
protected:
base::MessageLoop* message_loop() { return message_loop_; }
private:
// The message loop that will handle UI events.
base::MessageLoop* message_loop_;
const base::Closure quit_closure_;
protected:
// Called to handle a network event.
void OnNetworkEvent(const base::Event* event);
// Called to handle an application event.
void OnApplicationEvent(SbEventType event_type);
// Called to handle a deep link event.
void OnDeepLinkEvent(const base::Event* event);
#if SB_API_VERSION >= 8
// Called to handle a window size change event.
void OnWindowSizeChangedEvent(const base::Event* event);
#endif // SB_API_VERSION >= 8
#if SB_HAS(ON_SCREEN_KEYBOARD)
void OnOnScreenKeyboardShownEvent(const base::Event* event);
void OnOnScreenKeyboardHiddenEvent(const base::Event* event);
void OnOnScreenKeyboardFocusedEvent(const base::Event* event);
void OnOnScreenKeyboardBlurredEvent(const base::Event* event);
#if SB_API_VERSION >= SB_ON_SCREEN_KEYBOARD_SUGGESTIONS_VERSION
void OnOnScreenKeyboardSuggestionsUpdatedEvent(const base::Event* event);
#endif // SB_API_VERSION >= SB_ON_SCREEN_KEYBOARD_SUGGESTIONS_VERSION
#endif // SB_HAS(ON_SCREEN_KEYBOARD)
#if SB_HAS(CAPTIONS)
void OnCaptionSettingsChangedEvent(const base::Event* event);
#endif // SB_HAS(CAPTIONS)
// Called when a navigation occurs in the BrowserModule.
void WebModuleRecreated();
// A conduit for system events.
base::EventDispatcher event_dispatcher_;
// Account manager.
std::unique_ptr<account::AccountManager> account_manager_;
// Main components of the Cobalt browser application.
std::unique_ptr<BrowserModule> browser_module_;
// Event callbacks.
base::EventCallback network_event_callback_;
base::EventCallback deep_link_event_callback_;
#if SB_API_VERSION >= 8
base::EventCallback window_size_change_event_callback_;
#endif // SB_API_VERSION >= 8
#if SB_HAS(ON_SCREEN_KEYBOARD)
base::EventCallback on_screen_keyboard_shown_event_callback_;
base::EventCallback on_screen_keyboard_hidden_event_callback_;
base::EventCallback on_screen_keyboard_focused_event_callback_;
base::EventCallback on_screen_keyboard_blurred_event_callback_;
#if SB_API_VERSION >= SB_ON_SCREEN_KEYBOARD_SUGGESTIONS_VERSION
base::EventCallback on_screen_keyboard_suggestions_updated_event_callback_;
#endif // SB_API_VERSION >= SB_ON_SCREEN_KEYBOARD_SUGGESTIONS_VERSION
#endif // SB_HAS(ON_SCREEN_KEYBOARD)
#if SB_HAS(CAPTIONS)
base::EventCallback on_caption_settings_changed_event_callback_;
#endif // SB_HAS(CAPTIONS)
// Thread checkers to ensure that callbacks for network and application events
// always occur on the same thread.
base::ThreadChecker network_event_thread_checker_;
base::ThreadChecker application_event_thread_checker_;
#if defined(ENABLE_WEBDRIVER)
// WebDriver implementation with embedded HTTP server.
std::unique_ptr<webdriver::WebDriverModule> web_driver_module_;
#endif
#if defined(ENABLE_DEBUGGER)
// Web server to serve devtools front end. Debugging messages are sent and
// received via a WebSocket and communicated to an embedded DebugDispatcher.
std::unique_ptr<debug::remote::DebugWebServer> debug_web_server_;
#endif
private:
enum AppStatus {
kUninitializedAppStatus,
kPreloadingAppStatus,
kRunningAppStatus,
kPausedAppStatus,
kSuspendedAppStatus,
kWillQuitAppStatus,
kQuitAppStatus,
kShutDownAppStatus,
};
enum NetworkStatus {
kDisconnectedNetworkStatus,
kConnectedNetworkStatus,
};
// Stats related
struct CValStats {
CValStats();
base::CVal<base::cval::SizeInBytes, base::CValPublic> free_cpu_memory;
base::CVal<base::cval::SizeInBytes, base::CValPublic> used_cpu_memory;
// GPU memory stats are not always available, so we put them behind
// base::optional so that we can enable them at runtime depending on system
// capabilities.
base::Optional<base::CVal<base::cval::SizeInBytes, base::CValPublic> >
free_gpu_memory;
base::Optional<base::CVal<base::cval::SizeInBytes, base::CValPublic> >
used_gpu_memory;
base::CVal<int64, base::CValPublic> app_start_time;
base::CVal<base::TimeDelta, base::CValPublic> app_lifetime;
};
void RegisterUserLogs();
void UpdateAndMaybeRegisterUserAgent();
void UpdatePeriodicStats();
void DispatchEventInternal(base::Event* event);
static ssize_t available_memory_;
static int64 lifetime_in_ms_;
static AppStatus app_status_;
static int app_suspend_count_;
static int app_resume_count_;
static int app_pause_count_;
static int app_unpause_count_;
static NetworkStatus network_status_;
static int network_connect_count_;
static int network_disconnect_count_;
CValStats c_val_stats_;
base::RepeatingTimer stats_update_timer_;
std::unique_ptr<memory_tracker::Tool> memory_tracker_tool_;
};
} // namespace browser
} // namespace cobalt
#endif // COBALT_BROWSER_APPLICATION_H_