LCOV - app.info - netwerk/protocol/device/nsDeviceChannel.cpp

LCOV - code coverage report
| Current view: | directory - netwerk/protocol/device - nsDeviceChannel.cpp (source / functions) |  | Found | Hit | Coverage |
| Test: | app.info | Lines: | 83 | 0 | 0.0 %
| Date: | 2012-06-02 | Functions: | 9 | 0 | 0.0 %

           1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
           2                 : /* ***** BEGIN LICENSE BLOCK *****
           3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
           4                 :  *
           5                 :  * The contents of this file are subject to the Mozilla Public License Version
           6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
           7                 :  * the License. You may obtain a copy of the License at
           8                 :  * http://www.mozilla.org/MPL/
           9                 :  *
          10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
          11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
          12                 :  * for the specific language governing rights and limitations under the
          13                 :  * License.
          14                 :  *
          15                 :  * The Original Code is Camera.
          16                 :  *
          17                 :  * The Initial Developer of the Original Code is Mozilla Corporation
          18                 :  * Portions created by the Initial Developer are Copyright (C) 2009
          19                 :  * the Initial Developer. All Rights Reserved.
          20                 :  *
          21                 :  * Contributor(s):
          22                 :  *  Brad Lassey <blassey@mozilla.com>
          23                 :  *
          24                 :  * Alternatively, the contents of this file may be used under the terms of
          25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
          26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
          27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
          28                 :  * of those above. If you wish to allow use of your version of this file only
          29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
          30                 :  * use your version of this file under the terms of the MPL, indicate your
          31                 :  * decision by deleting the provisions above and replace them with the notice
          32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
          33                 :  * the provisions above, a recipient may use your version of this file under
          34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
          35                 :  *
          36                 :  * ***** END LICENSE BLOCK ***** */
          37                 :
          38                 : #include "plstr.h"
          39                 : #include "nsComponentManagerUtils.h"
          40                 : #include "nsDeviceChannel.h"
          41                 : #include "nsDeviceCaptureProvider.h"
          42                 : #include "mozilla/Preferences.h"
          43                 :
          44                 : #ifdef MOZ_WIDGET_ANDROID
          45                 : #include "AndroidCaptureProvider.h"
          46                 : #endif
          47                 :
          48                 : #ifdef MOZ_WIDGET_GONK
          49                 : #include "GonkCaptureProvider.h"
          50                 : #endif
          51                 :
          52                 : using namespace mozilla;
          53                 :
          54                 : // Copied from image/decoders/icon/nsIconURI.cpp
          55                 : // takes a string like ?size=32&contentType=text/html and returns a new string
          56                 : // containing just the attribute values. i.e you could pass in this string with
          57                 : // an attribute name of "size=", this will return 32
          58                 : // Assumption: attribute pairs are separated by &
          59               0 : void extractAttributeValue(const char* searchString, const char* attributeName, nsCString& result)
          60                 : {
          61               0 :   result.Truncate();
          62                 :
          63               0 :   if (!searchString || !attributeName)
          64               0 :     return;
          65                 :
          66               0 :   PRUint32 attributeNameSize = strlen(attributeName);
          67               0 :   const char *startOfAttribute = PL_strcasestr(searchString, attributeName);
          68               0 :   if (!startOfAttribute ||
          69               0 :       !( *(startOfAttribute-1) == '?' || *(startOfAttribute-1) == '&') )
          70               0 :     return;
          71                 :
          72               0 :   startOfAttribute += attributeNameSize; // Skip the attributeName
          73               0 :   if (!*startOfAttribute)
          74               0 :     return;
          75                 :
          76               0 :   const char *endOfAttribute = strchr(startOfAttribute, '&');
          77               0 :   if (endOfAttribute) {
          78               0 :     result.Assign(Substring(startOfAttribute, endOfAttribute));
          79                 :   } else {
          80               0 :     result.Assign(startOfAttribute);
          81                 :   }
          82                 : }
          83                 :
          84               0 : NS_IMPL_ISUPPORTS_INHERITED1(nsDeviceChannel,
          85                 :                              nsBaseChannel,
          86                 :                              nsIChannel)
          87                 :
          88                 : // nsDeviceChannel methods
          89               0 : nsDeviceChannel::nsDeviceChannel()
          90                 : {
          91               0 :   SetContentType(NS_LITERAL_CSTRING("image/png"));
          92               0 : }
          93                 :
          94               0 : nsDeviceChannel::~nsDeviceChannel()
          95                 : {
          96               0 : }
          97                 :
          98                 : nsresult
          99               0 : nsDeviceChannel::Init(nsIURI* aUri)
         100                 : {
         101               0 :   nsBaseChannel::Init();
         102               0 :   nsBaseChannel::SetURI(aUri);
         103               0 :   return NS_OK;
         104                 : }
         105                 :
         106                 : nsresult
         107               0 : nsDeviceChannel::OpenContentStream(bool aAsync,
         108                 :                                    nsIInputStream** aStream,
         109                 :                                    nsIChannel** aChannel)
         110                 : {
         111               0 :   if (!aAsync)
         112               0 :     return NS_ERROR_NOT_IMPLEMENTED;
         113                 :
         114               0 :   nsCOMPtr<nsIURI> uri = nsBaseChannel::URI();
         115               0 :   *aStream = nsnull;
         116               0 :   *aChannel = nsnull;
         117               0 :   NS_NAMED_LITERAL_CSTRING(width, "width=");
         118               0 :   NS_NAMED_LITERAL_CSTRING(height, "height=");
         119                 :
         120               0 :   nsCAutoString spec;
         121               0 :   uri->GetSpec(spec);
         122                 :
         123               0 :   nsCAutoString type;
         124                 :
         125               0 :   nsRefPtr<nsDeviceCaptureProvider> capture;
         126                 :   nsCaptureParams captureParams;
         127               0 :   captureParams.camera = 0;
         128               0 :   if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=image/png"),
         129                 :                              true,
         130                 :                              0,
         131               0 :                              -1)) {
         132               0 :     type.AssignLiteral("image/png");
         133               0 :     SetContentType(type);
         134               0 :     captureParams.captureAudio = false;
         135               0 :     captureParams.captureVideo = true;
         136               0 :     captureParams.timeLimit = 0;
         137               0 :     captureParams.frameLimit = 1;
         138               0 :     nsCAutoString buffer;
         139               0 :     extractAttributeValue(spec.get(), "width=", buffer);
         140                 :     nsresult err;
         141               0 :     captureParams.width = buffer.ToInteger(&err);
         142               0 :     if (!captureParams.width)
         143               0 :       captureParams.width = 640;
         144               0 :     extractAttributeValue(spec.get(), "height=", buffer);
         145               0 :     captureParams.height = buffer.ToInteger(&err);
         146               0 :     if (!captureParams.height)
         147               0 :       captureParams.height = 480;
         148               0 :     extractAttributeValue(spec.get(), "camera=", buffer);
         149               0 :     captureParams.camera = buffer.ToInteger(&err);
         150               0 :     captureParams.bpp = 32;
         151                 : #ifdef MOZ_WIDGET_ANDROID
         152                 :     capture = GetAndroidCaptureProvider();
         153                 : #endif
         154                 : #ifdef MOZ_WIDGET_GONK
         155                 :     capture = GetGonkCaptureProvider();
         156                 : #endif
         157               0 :   } else if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=video/x-raw-yuv"),
         158                 :                                     true,
         159                 :                                     0,
         160               0 :                                     -1)) {
         161               0 :     type.AssignLiteral("video/x-raw-yuv");
         162               0 :     SetContentType(type);
         163               0 :     captureParams.captureAudio = false;
         164               0 :     captureParams.captureVideo = true;
         165               0 :     nsCAutoString buffer;
         166               0 :     extractAttributeValue(spec.get(), "width=", buffer);
         167                 :     nsresult err;
         168               0 :     captureParams.width = buffer.ToInteger(&err);
         169               0 :     if (!captureParams.width)
         170               0 :       captureParams.width = 640;
         171               0 :     extractAttributeValue(spec.get(), "height=", buffer);
         172               0 :     captureParams.height = buffer.ToInteger(&err);
         173               0 :     if (!captureParams.height)
         174               0 :       captureParams.height = 480;
         175               0 :     extractAttributeValue(spec.get(), "camera=", buffer);
         176               0 :     captureParams.camera = buffer.ToInteger(&err);
         177               0 :     captureParams.bpp = 32;
         178               0 :     captureParams.timeLimit = 0;
         179               0 :     captureParams.frameLimit = 60000;
         180                 : #ifdef MOZ_WIDGET_ANDROID
         181                 :     // only enable if "device.camera.enabled" is true.
         182                 :     if (Preferences::GetBool("device.camera.enabled", false) == true)
         183                 :       capture = GetAndroidCaptureProvider();
         184                 : #endif
         185                 : #ifdef MOZ_WIDGET_GONK
         186                 :     if (Preferences::GetBool("device.camera.enabled", false) == true)
         187                 :       capture = GetGonkCaptureProvider();
         188                 : #endif
         189                 :   } else {
         190               0 :     return NS_ERROR_NOT_IMPLEMENTED;
         191                 :   }
         192                 :
         193               0 :   if (!capture)
         194               0 :     return NS_ERROR_FAILURE;
         195                 :
         196               0 :   return capture->Init(type, &captureParams, aStream);
         197                 : }

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