112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_CONTEXT_H_
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#define CEF_LIBCEF_BROWSER_CONTEXT_H_
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#pragma once
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#include <list>
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#include <map>
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#include <string>
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#include "include/cef_app.h"
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#include "base/threading/platform_thread.h"
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#include "third_party/skia/include/core/SkColor.h"
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namespace base {
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class WaitableEvent;
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}
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namespace content {
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class ContentServiceManagerMainDelegate;
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}
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namespace service_manager {
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struct MainParams;
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}
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class CefBrowserHostImpl;
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class CefBrowserInfoManager;
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class CefMainDelegate;
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class CefTraceSubscriber;
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class CefContext {
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public:
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typedef std::list<CefRefPtr<CefBrowserHostImpl>> BrowserList;
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CefContext();
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~CefContext();
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// Returns the singleton CefContext instance.
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static CefContext* Get();
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// These methods will be called on the main application thread.
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bool Initialize(const CefMainArgs& args,
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const CefSettings& settings,
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CefRefPtr<CefApp> application,
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void* windows_sandbox_info);
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void Shutdown();
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// Returns true if the current thread is the initialization thread.
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bool OnInitThread();
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// Returns true if the context is initialized.
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bool initialized() { return initialized_; }
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// Returns true if the context is shutting down.
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bool shutting_down() { return shutting_down_; }
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const CefSettings& settings() const { return settings_; }
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// Returns the background color for the browser. If |browser_settings| is
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// nullptr or does not specify a color then the global settings will be used.
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// The alpha component will be either SK_AlphaTRANSPARENT or SK_AlphaOPAQUE
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// (e.g. fully transparent or fully opaque). If |is_windowless| is
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// STATE_DISABLED then SK_AlphaTRANSPARENT will always be returned. If
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// |is_windowless| is STATE_ENABLED then SK_ColorTRANSPARENT may be returned
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// to enable transparency for windowless browsers. See additional comments on
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// CefSettings.background_color and CefBrowserSettings.background_color.
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SkColor GetBackgroundColor(const CefBrowserSettings* browser_settings,
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cef_state_t windowless_state) const;
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CefTraceSubscriber* GetTraceSubscriber();
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// Populate the request context settings based on CefSettings and command-
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// line flags.
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void PopulateRequestContextSettings(CefRequestContextSettings* settings);
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private:
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void OnContextInitialized();
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// Performs shutdown actions that need to occur on the UI thread before any
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// threads are destroyed.
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void FinishShutdownOnUIThread(base::WaitableEvent* uithread_shutdown_event);
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// Destroys the main runner and related objects.
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void FinalizeShutdown();
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// Track context state.
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bool initialized_;
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bool shutting_down_;
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// The thread on which the context was initialized.
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base::PlatformThreadId init_thread_id_;
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CefSettings settings_;
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std::unique_ptr<CefMainDelegate> main_delegate_;
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std::unique_ptr<content::ContentServiceManagerMainDelegate> sm_main_delegate_;
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std::unique_ptr<service_manager::MainParams> sm_main_params_;
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std::unique_ptr<CefTraceSubscriber> trace_subscriber_;
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std::unique_ptr<CefBrowserInfoManager> browser_info_manager_;
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};
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// Helper macro that returns true if the global context is in a valid state.
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#define CONTEXT_STATE_VALID() \
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(CefContext::Get() && CefContext::Get()->initialized() && \
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!CefContext::Get()->shutting_down())
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#endif // CEF_LIBCEF_BROWSER_CONTEXT_H_
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