webengine/wmlengine/src/urlloader/include/urlloader_urlloaderint.h
branchRCL_3
changeset 94 919f36ff910f
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93:79859ed3eea9 94:919f36ff910f
       
     1 /*
       
     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of the License "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  C interface to url loader
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef URLLOADERINT_H
       
    19 #define URLLOADERINT_H
       
    20 
       
    21 //  INCLUDES
       
    22 #include "nwx_ctx.h" // this file includes nwx_defs.h, which includes nwx_status.h
       
    23 #include "urlloader_urlresponse.h"
       
    24 #include "BrsrStatusCodes.h"
       
    25 
       
    26 #ifdef __cplusplus
       
    27 extern "C" {
       
    28 #endif
       
    29     
       
    30 // CONSTANTS
       
    31     
       
    32 #define NW_NUM_INSTANCES 3
       
    33 
       
    34 // MACROS
       
    35     
       
    36 // DATA TYPES
       
    37     
       
    38 // The "TEnterStatus", relates to what security state the page is going to.
       
    39 // This "page loading" status, is passed in HandleBrowserLoadEventL() using the
       
    40 // TBrCtlLoadEvent enum. (see brctldefs.h)  
       
    41 // These constants must stay in sync with viewshellobserver.h
       
    42 //R
       
    43 
       
    44 enum TEnterStatus
       
    45     {
       
    46     EEnteringSecurePage,
       
    47     EExitingSecurePage,
       
    48     ESomeItemsNotSecure,
       
    49     ESubmittingToNonSecurePage,
       
    50     ERedirectConfirmation,
       
    51     ERepostConfirmation,
       
    52     ESecureItemInNonSecurePage
       
    53     // others to come        
       
    54     };
       
    55 
       
    56 // The following schemes are only those supported by the browser
       
    57 typedef enum
       
    58     {
       
    59     ESchemeInvalid,
       
    60     ESchemeUnknown,
       
    61     ESchemeHttps,
       
    62     ESchemeMailto,
       
    63     ESchemeFile,
       
    64     ESchemeHttp,
       
    65     ESchemeWtai,
       
    66     ESchemeTel
       
    67 } TUrlLoaderScheme;
       
    68     
       
    69 // Structure for holding context data
       
    70 typedef struct
       
    71     {
       
    72   void *uniqueNum[NW_NUM_INSTANCES+1];
       
    73   void *contexts[NW_NUM_INSTANCES+1] [NW_NUM_CONTEXTS+1];
       
    74 } NW_ContextArray_t;
       
    75 
       
    76 // Structure for holding extra request headers information
       
    77 typedef struct
       
    78     {
       
    79 	NW_Uint8* accept;
       
    80 	NW_Uint8* contentType;
       
    81 	NW_Uint8* referer;
       
    82 	NW_Uint8* boundary;
       
    83 	NW_Uint32 contentLength;
       
    84     NW_Uint8* expectedContentType;
       
    85     } HttpRequestHeaders;
       
    86     
       
    87 typedef enum
       
    88     {
       
    89 	ECookieFilter,
       
    90 	ECacheFilter
       
    91     } TFilters;
       
    92     
       
    93 // FUNCTION PROTOTYPES
       
    94     
       
    95 // FORWARD DECLARATIONS
       
    96     
       
    97 // CLASS DECLARATION
       
    98     
       
    99 /**
       
   100 * Cancel all the pending requests due to a disconnect request.
       
   101 */
       
   102 void UrlLoader_Disconnect();
       
   103 
       
   104 /**
       
   105 * Cancel a specific request, identified by its id.
       
   106 */
       
   107 void UrlLoader_Cancel(NW_Uint16 aTid);
       
   108 
       
   109 /**
       
   110 * Cancel all requests.
       
   111 */
       
   112 void UrlLoader_CancelAll();
       
   113 
       
   114 /**
       
   115 * Check if a specific url is in cache.
       
   116 */
       
   117 NW_Bool UrlLoader_IsUrlInCache(NW_Ucs2* aUrl);
       
   118 
       
   119 /**
       
   120 * Get the number of entries in cache.
       
   121 */
       
   122 NW_Uint32 UrlLoader_GetNumCacheEntries();
       
   123 
       
   124 /**
       
   125 * Remove all the cached items.
       
   126 */
       
   127 NW_Uint32 UrlLoader_ClearCache();
       
   128 
       
   129 /**
       
   130 * Remove a specific item from cache, identified by its url.
       
   131 */
       
   132 TBrowserStatusCode UrlLoader_ClearItemInCache(const NW_Ucs2* aUrl);
       
   133 
       
   134 /**
       
   135 * Set a header on a specic item, identified by its url.
       
   136 */
       
   137 TBrowserStatusCode UrlLoader_SetHeaderInCache(const NW_Ucs2* aUrl,
       
   138                                               unsigned char* aName,
       
   139                                               NW_Ucs2* aValue);
       
   140 
       
   141 /**
       
   142 * Remove all the cookies.
       
   143 */
       
   144 NW_Uint32 UrlLoader_ClearCookies();
       
   145 
       
   146 /**
       
   147 * Free the loaders and close the session to the http stack.
       
   148 */
       
   149 void UrlLoader_Shutdown();
       
   150 
       
   151 /**
       
   152 * Make a load request to the loaders.
       
   153 * aUrl The request URL
       
   154 * aHeader The request headers or NULL if no request specific headers.
       
   155 * aData The body of the request.
       
   156 * aDataLen The body length of the request.
       
   157 * aMethod The method to use for the request could be
       
   158 *		  NW_URL_METHOD_GET or NW_URL_METHOD_POST.
       
   159 * aTransId The request's transaction id.
       
   160 * aLoadContext The load context that should be returned with the response.
       
   161 * aPartialLoadCallback The callback to call when a chunk is ready.
       
   162 * aCacheMode The cache mode, it is relevant only in case of http or https.
       
   163 * aDefaultHeadersMask A flag indicating what default headers should be used.
       
   164 * loadType The load type
       
   165 * aIsTopLevel Boolean ETrue if page is top level (images, css, etc are not top)
       
   166 * aIsScript Boolean ETrue if Request is being made by script.
       
   167 */
       
   168 TBrowserStatusCode UrlLoader_Request(const NW_Ucs2* aUrl,
       
   169                                      void* aHeader,
       
   170                                      NW_Uint8* aData,
       
   171                                      NW_Uint32 aDataLen,
       
   172                                      NW_Uint8 aMethod,
       
   173                                      NW_Uint16* aTransId,
       
   174                                      void* aLoadContext,
       
   175                                      NW_Url_RespCallback_t* aLoadCallback,
       
   176                                      NW_Cache_Mode_t aCacheMode,
       
   177                                      NW_Uint32 aDefaultHeadersMask,
       
   178                                      NW_Uint8 loadType,
       
   179                                      NW_Bool aIsTopLevel,
       
   180                                      NW_Bool aIsScript,
       
   181                                      NW_Uint8 aReason,
       
   182                                      void* aLoadData);
       
   183 
       
   184 /**
       
   185 * Create a HttpHeaders structure with some or all of the following arguments.
       
   186 * Each field can contain a value, or can be NULL.
       
   187 * aAccept The accept header
       
   188 * aContentType The content type of the request body
       
   189 * aReferer The referer
       
   190 * aBoundary The boundry if it is a multipart
       
   191 * aContentLength The length of the request body
       
   192 */
       
   193 void* UrlLoader_HeadersNew(const NW_Uint8* aAccept,
       
   194 						   const NW_Uint8* aContentType,
       
   195 						   const NW_Ucs2* aReferer,
       
   196 						   const NW_Uint8* aBoundary,
       
   197 						   NW_Uint32 aContentLength,
       
   198                            const NW_Uint8* aExpectedContentType);
       
   199 
       
   200 /**
       
   201 * Free the headers structure.
       
   202 */
       
   203 void UrlLoader_HeadersFree(void* aHeaders);
       
   204 
       
   205 /**
       
   206 * Copy the headers.
       
   207 */
       
   208 void* UrlLoader_HeadersCopy(const void* aHeaders);
       
   209 
       
   210 /**
       
   211 * Load / Unload filter specified by UID.
       
   212 */
       
   213 void UrlLoader_ChangeFilterLoadStatusL(TFilters aFilter, NW_Bool aLoad);
       
   214 
       
   215 /**
       
   216 * Update security status on the UrlLoader
       
   217 */
       
   218 void UrlLoader_UpdateSecurityStatus(TBrowserStatusCode aLoadStatus,
       
   219                                     NW_Url_Resp_t* aResponse);
       
   220 
       
   221 /**
       
   222 * Determine the scheme of the URL.
       
   223 */
       
   224 TUrlLoaderScheme UrlLoader_FindUrlScheme(const NW_Ucs2* aUrl);
       
   225 
       
   226 /**
       
   227 * Determine if the URL is handled by the browser.
       
   228 */
       
   229 NW_Bool UrlLoader_IsBrowserScheme(const NW_Ucs2* aUrl);
       
   230 
       
   231 /**
       
   232 * Set Internet Access Point id to use for connection
       
   233 */
       
   234 void UrlLoader_SetIAPid(NW_Uint32 aIapId);
       
   235 
       
   236 #ifdef __cplusplus
       
   237 } /* extern "C" */
       
   238 #endif
       
   239 
       
   240 #endif      // URLLOADERINT_H
       
   241 
       
   242 // End of File