// Copyright (c) 2012 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//

#ifndef CEF_INCLUDE_CEF_COOKIE_H_
#define CEF_INCLUDE_CEF_COOKIE_H_
#pragma once

#include <vector>
#include "include/cef_base.h"
#include "include/cef_callback.h"

class CefCookieVisitor;
class CefSetCookieCallback;
class CefDeleteCookiesCallback;

///
// Class used for managing cookies. The methods of this class may be called on
// any thread unless otherwise indicated.
///
/*--cef(source=library,no_debugct_check)--*/
class CefCookieManager : public virtual CefBaseRefCounted {
 public:
 ///
 // Returns the global cookie manager. By default data will be stored at
 // CefSettings.cache_path if specified or in memory otherwise. If |callback|
 // is non-NULL it will be executed asnychronously on the IO thread after the
 // manager's storage has been initialized. Using this method is equivalent to
 // calling CefRequestContext::GetGlobalContext()->GetDefaultCookieManager().
 ///
 /*--cef(optional_param=callback)--*/
 static CefRefPtr<CefCookieManager> GetGlobalManager(
 CefRefPtr<CefCompletionCallback> callback);

 ///
 // Returns a cookie manager that neither stores nor retrieves cookies. All
 // usage of cookies will be blocked including cookies accessed via the network
 // (request/response headers), via JavaScript (document.cookie), and via
 // CefCookieManager methods. No cookies will be displayed in DevTools. If you
 // wish to only block cookies sent via the network use the CefRequestHandler
 // CanGetCookies and CanSetCookie methods instead.
 ///
 /*--cef()--*/
 static CefRefPtr<CefCookieManager> GetBlockingManager();

 ///
 // Creates a new cookie manager. If |path| is empty data will be stored in
 // memory only. Otherwise, data will be stored at the specified |path|. To
 // persist session cookies (cookies without an expiry date or validity
 // interval) set |persist_session_cookies| to true. Session cookies are
 // generally intended to be transient and most Web browsers do not persist
 // them. If |callback| is non-NULL it will be executed asnychronously on the
 // IO thread after the manager's storage has been initialized.
 ///
 /*--cef(optional_param=path,optional_param=callback)--*/
 static CefRefPtr<CefCookieManager> CreateManager(
 const CefString& path,
 bool persist_session_cookies,
 CefRefPtr<CefCompletionCallback> callback);

 ///
 // Set the schemes supported by this manager. The default schemes ("http",
 // "https", "ws" and "wss") will always be supported. If |callback| is non-
 // NULL it will be executed asnychronously on the IO thread after the change
 // has been applied. Must be called before any cookies are accessed.
 ///
 /*--cef(optional_param=callback)--*/
 virtual void SetSupportedSchemes(
 const std::vector<CefString>& schemes,
 CefRefPtr<CefCompletionCallback> callback) = 0;

 ///
 // Visit all cookies on the IO thread. The returned cookies are ordered by
 // longest path, then by earliest creation date. Returns false if cookies
 // cannot be accessed.
 ///
 /*--cef()--*/
 virtual bool VisitAllCookies(CefRefPtr<CefCookieVisitor> visitor) = 0;

 ///
 // Visit a subset of cookies on the IO thread. The results are filtered by the
 // given url scheme, host, domain and path. If |includeHttpOnly| is true
 // HTTP-only cookies will also be included in the results. The returned
 // cookies are ordered by longest path, then by earliest creation date.
 // Returns false if cookies cannot be accessed.
 ///
 /*--cef()--*/
 virtual bool VisitUrlCookies(const CefString& url,
 bool includeHttpOnly,
 CefRefPtr<CefCookieVisitor> visitor) = 0;

 ///
 // Sets a cookie given a valid URL and explicit user-provided cookie
 // attributes. This function expects each attribute to be well-formed. It will
 // check for disallowed characters (e.g. the ';' character is disallowed
 // within the cookie value attribute) and fail without setting the cookie if
 // such characters are found. If |callback| is non-NULL it will be executed
 // asnychronously on the IO thread after the cookie has been set. Returns
 // false if an invalid URL is specified or if cookies cannot be accessed.
 ///
 /*--cef(optional_param=callback)--*/
 virtual bool SetCookie(const CefString& url,
 const CefCookie& cookie,
 CefRefPtr<CefSetCookieCallback> callback) = 0;

 ///
 // Delete all cookies that match the specified parameters. If both |url| and
 // |cookie_name| values are specified all host and domain cookies matching
 // both will be deleted. If only |url| is specified all host cookies (but not
 // domain cookies) irrespective of path will be deleted. If |url| is empty all
 // cookies for all hosts and domains will be deleted. If |callback| is
 // non-NULL it will be executed asnychronously on the IO thread after the
 // cookies have been deleted. Returns false if a non-empty invalid URL is
 // specified or if cookies cannot be accessed. Cookies can alternately be
 // deleted using the Visit*Cookies() methods.
 ///
 /*--cef(optional_param=url,optional_param=cookie_name,
 optional_param=callback)--*/
 virtual bool DeleteCookies(const CefString& url,
 const CefString& cookie_name,
 CefRefPtr<CefDeleteCookiesCallback> callback) = 0;

 ///
 // Sets the directory path that will be used for storing cookie data. If
 // |path| is empty data will be stored in memory only. Otherwise, data will be
 // stored at the specified |path|. To persist session cookies (cookies without
 // an expiry date or validity interval) set |persist_session_cookies| to true.
 // Session cookies are generally intended to be transient and most Web
 // browsers do not persist them. If |callback| is non-NULL it will be executed
 // asnychronously on the IO thread after the manager's storage has been
 // initialized. Returns false if cookies cannot be accessed.
 ///
 /*--cef(optional_param=path,optional_param=callback)--*/
 virtual bool SetStoragePath(const CefString& path,
 bool persist_session_cookies,
 CefRefPtr<CefCompletionCallback> callback) = 0;

 ///
 // Flush the backing store (if any) to disk. If |callback| is non-NULL it will
 // be executed asnychronously on the IO thread after the flush is complete.
 // Returns false if cookies cannot be accessed.
 ///
 /*--cef(optional_param=callback)--*/
 virtual bool FlushStore(CefRefPtr<CefCompletionCallback> callback) = 0;
};

///
// Interface to implement for visiting cookie values. The methods of this class
// will always be called on the IO thread.
///
/*--cef(source=client)--*/
class CefCookieVisitor : public virtual CefBaseRefCounted {
 public:
 ///
 // Method that will be called once for each cookie. |count| is the 0-based
 // index for the current cookie. |total| is the total number of cookies.
 // Set |deleteCookie| to true to delete the cookie currently being visited.
 // Return false to stop visiting cookies. This method may never be called if
 // no cookies are found.
 ///
 /*--cef()--*/
 virtual bool Visit(const CefCookie& cookie,
 int count,
 int total,
 bool& deleteCookie) = 0;
};

///
// Interface to implement to be notified of asynchronous completion via
// CefCookieManager::SetCookie().
///
/*--cef(source=client)--*/
class CefSetCookieCallback : public virtual CefBaseRefCounted {
 public:
 ///
 // Method that will be called upon completion. |success| will be true if the
 // cookie was set successfully.
 ///
 /*--cef()--*/
 virtual void OnComplete(bool success) = 0;
};

///
// Interface to implement to be notified of asynchronous completion via
// CefCookieManager::DeleteCookies().
///
/*--cef(source=client)--*/
class CefDeleteCookiesCallback : public virtual CefBaseRefCounted {
 public:
 ///
 // Method that will be called upon completion. |num_deleted| will be the
 // number of cookies that were deleted or -1 if unknown.
 ///
 /*--cef()--*/
 virtual void OnComplete(int num_deleted) = 0;
};

#endif // CEF_INCLUDE_CEF_COOKIE_H_