cef/libcef/cef_context.h

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// Copyright (c) 2010 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_CONTEXT_H
#define _CEF_CONTEXT_H
#include "../include/cef.h"
#include "browser_request_context.h"
#include "cef_process.h"
#include "cef_thread.h"
#include "dom_storage_context.h"
#include "base/at_exit.h"
#include "base/file_path.h"
#include "base/message_loop.h"
#include "base/ref_counted.h"
#include <map>
class BrowserRequestContext;
class CefBrowserImpl;
class CefContext : public CefThreadSafeBase<CefBase>
{
public:
typedef std::list<CefRefPtr<CefBrowserImpl> > BrowserList;
CefContext();
~CefContext();
// These methods will be called on the main application thread.
bool Initialize(const CefSettings& settings,
const CefBrowserSettings& browser_defaults);
void Shutdown();
// 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_; }
scoped_refptr<CefProcess> process() { return process_; }
bool AddBrowser(CefRefPtr<CefBrowserImpl> browser);
bool RemoveBrowser(CefRefPtr<CefBrowserImpl> browser);
CefRefPtr<CefBrowserImpl> GetBrowserByID(int id);
BrowserList* GetBrowserList() { return &browserlist_; }
// Retrieve the path at which cache data will be stored on disk. If empty,
// cache data will be stored in-memory.
const FilePath& cache_path() const { return cache_path_; }
const CefSettings& settings() const { return settings_; }
const CefBrowserSettings& browser_defaults() const
{ return browser_defaults_; }
// The BrowserRequestContext object is managed by CefProcessIOThread.
void set_request_context(BrowserRequestContext* request_context)
{ request_context_ = request_context; }
scoped_refptr<BrowserRequestContext> request_context()
{ return request_context_; }
// The DOMStorageContext object is managed by CefProcessUIThread.
void set_storage_context(DOMStorageContext* storage_context)
{ storage_context_.reset(storage_context); }
DOMStorageContext* storage_context() { return storage_context_.get(); }
static bool ImplementsThreadSafeReferenceCounting() { return true; }
private:
// Performs shutdown actions that need to occur on the UI thread before any
// threads are destroyed.
void UIT_FinishShutdown(base::WaitableEvent* event);
// Track context state.
bool initialized_;
bool shutting_down_;
// Manages the various process threads.
scoped_refptr<CefProcess> process_;
// Initialize the AtExitManager on the main application thread to avoid
// asserts and possible memory leaks.
base::AtExitManager at_exit_manager_;
CefSettings settings_;
CefBrowserSettings browser_defaults_;
FilePath cache_path_;
scoped_refptr<BrowserRequestContext> request_context_;
scoped_ptr<DOMStorageContext> storage_context_;
// Map of browsers that currently exist.
BrowserList browserlist_;
// Used for assigning unique IDs to browser instances.
int next_browser_id_;
};
// Global context object pointer.
extern CefRefPtr<CefContext> _Context;
// Helper macro that returns true if the global context is in a valid state.
#define CONTEXT_STATE_VALID() \
(_Context.get() && _Context->initialized() && !_Context->shutting_down())
#endif // _CEF_CONTEXT_H