cef/libcef/browser/context.h

115 lines
3.1 KiB
C++

// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
// reserved. Use of this source code is governed by a BSD-style license that can
// be found in the LICENSE file.
#ifndef CEF_LIBCEF_BROWSER_CONTEXT_H_
#define CEF_LIBCEF_BROWSER_CONTEXT_H_
#pragma once
#include <list>
#include <map>
#include <string>
#include "include/cef_app.h"
#include "base/threading/platform_thread.h"
namespace base {
class WaitableEvent;
}
namespace component_updater {
class ComponentUpdateService;
}
namespace content {
class ContentMainRunner;
}
namespace printing {
class PrintJobManager;
}
class CefBrowserHostImpl;
class CefBrowserInfoManager;
class CefMainDelegate;
class CefTraceSubscriber;
class CefContext {
public:
typedef std::list<CefRefPtr<CefBrowserHostImpl> > BrowserList;
CefContext();
~CefContext();
// Returns the singleton CefContext instance.
static CefContext* Get();
// These methods will be called on the main application thread.
bool Initialize(const CefMainArgs& args,
const CefSettings& settings,
CefRefPtr<CefApp> application,
void* windows_sandbox_info);
void Shutdown();
// Returns true if the current thread is the initialization thread.
bool OnInitThread();
// Returns true if the context is initialized.
bool initialized() { return initialized_; }
// Returns true if the context is shutting down.
bool shutting_down() { return shutting_down_; }
const CefSettings& settings() const { return settings_; }
printing::PrintJobManager* print_job_manager() const {
return print_job_manager_.get();
}
component_updater::ComponentUpdateService* component_updater();
CefTraceSubscriber* GetTraceSubscriber();
// Populate the request context settings based on CefSettings and command-
// line flags.
void PopulateRequestContextSettings(CefRequestContextSettings* settings);
private:
void OnContextInitialized();
// Performs shutdown actions that need to occur on the UI thread before any
// threads are destroyed.
void FinishShutdownOnUIThread(base::WaitableEvent* uithread_shutdown_event);
// Destroys the main runner and related objects.
void FinalizeShutdown();
// Track context state.
bool initialized_;
bool shutting_down_;
// The thread on which the context was initialized.
base::PlatformThreadId init_thread_id_;
CefSettings settings_;
std::unique_ptr<CefMainDelegate> main_delegate_;
std::unique_ptr<content::ContentMainRunner> main_runner_;
std::unique_ptr<CefTraceSubscriber> trace_subscriber_;
std::unique_ptr<CefBrowserInfoManager> browser_info_manager_;
// Only accessed on the UI Thread.
std::unique_ptr<printing::PrintJobManager> print_job_manager_;
// Initially only for Widevine components.
std::unique_ptr<component_updater::ComponentUpdateService> component_updater_;
};
// Helper macro that returns true if the global context is in a valid state.
#define CONTEXT_STATE_VALID() \
(CefContext::Get() && CefContext::Get()->initialized() && \
!CefContext::Get()->shutting_down())
#endif // CEF_LIBCEF_BROWSER_CONTEXT_H_