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comparison: netwerk/protocol/device/nsDeviceChannel.cpp
netwerk/protocol/device/nsDeviceChannel.cpp
- changeset 0
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| -1:000000000000 | 0:91f0b0381a26 |
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "plstr.h" | |
| 7 #include "nsDeviceChannel.h" | |
| 8 #include "nsDeviceCaptureProvider.h" | |
| 9 | |
| 10 #ifdef MOZ_WIDGET_ANDROID | |
| 11 #include "mozilla/Preferences.h" | |
| 12 #include "AndroidCaptureProvider.h" | |
| 13 #endif | |
| 14 | |
| 15 using namespace mozilla; | |
| 16 | |
| 17 // Copied from image/decoders/icon/nsIconURI.cpp | |
| 18 // takes a string like ?size=32&contentType=text/html and returns a new string | |
| 19 // containing just the attribute values. i.e you could pass in this string with | |
| 20 // an attribute name of "size=", this will return 32 | |
| 21 // Assumption: attribute pairs are separated by & | |
| 22 void extractAttributeValue(const char* searchString, const char* attributeName, nsCString& result) | |
| 23 { | |
| 24 result.Truncate(); | |
| 25 | |
| 26 if (!searchString || !attributeName) | |
| 27 return; | |
| 28 | |
| 29 uint32_t attributeNameSize = strlen(attributeName); | |
| 30 const char *startOfAttribute = PL_strcasestr(searchString, attributeName); | |
| 31 if (!startOfAttribute || | |
| 32 !( *(startOfAttribute-1) == '?' || *(startOfAttribute-1) == '&') ) | |
| 33 return; | |
| 34 | |
| 35 startOfAttribute += attributeNameSize; // Skip the attributeName | |
| 36 if (!*startOfAttribute) | |
| 37 return; | |
| 38 | |
| 39 const char *endOfAttribute = strchr(startOfAttribute, '&'); | |
| 40 if (endOfAttribute) { | |
| 41 result.Assign(Substring(startOfAttribute, endOfAttribute)); | |
| 42 } else { | |
| 43 result.Assign(startOfAttribute); | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 NS_IMPL_ISUPPORTS_INHERITED(nsDeviceChannel, | |
| 48 nsBaseChannel, | |
| 49 nsIChannel) | |
| 50 | |
| 51 // nsDeviceChannel methods | |
| 52 nsDeviceChannel::nsDeviceChannel() | |
| 53 { | |
| 54 SetContentType(NS_LITERAL_CSTRING("image/png")); | |
| 55 } | |
| 56 | |
| 57 nsDeviceChannel::~nsDeviceChannel() | |
| 58 { | |
| 59 } | |
| 60 | |
| 61 nsresult | |
| 62 nsDeviceChannel::Init(nsIURI* aUri) | |
| 63 { | |
| 64 nsBaseChannel::Init(); | |
| 65 nsBaseChannel::SetURI(aUri); | |
| 66 return NS_OK; | |
| 67 } | |
| 68 | |
| 69 nsresult | |
| 70 nsDeviceChannel::OpenContentStream(bool aAsync, | |
| 71 nsIInputStream** aStream, | |
| 72 nsIChannel** aChannel) | |
| 73 { | |
| 74 if (!aAsync) | |
| 75 return NS_ERROR_NOT_IMPLEMENTED; | |
| 76 | |
| 77 nsCOMPtr<nsIURI> uri = nsBaseChannel::URI(); | |
| 78 *aStream = nullptr; | |
| 79 *aChannel = nullptr; | |
| 80 NS_NAMED_LITERAL_CSTRING(width, "width="); | |
| 81 NS_NAMED_LITERAL_CSTRING(height, "height="); | |
| 82 | |
| 83 nsAutoCString spec; | |
| 84 uri->GetSpec(spec); | |
| 85 | |
| 86 nsAutoCString type; | |
| 87 | |
| 88 nsRefPtr<nsDeviceCaptureProvider> capture; | |
| 89 nsCaptureParams captureParams; | |
| 90 captureParams.camera = 0; | |
| 91 if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=image/png"), | |
| 92 true, | |
| 93 0, | |
| 94 -1)) { | |
| 95 type.AssignLiteral("image/png"); | |
| 96 SetContentType(type); | |
| 97 captureParams.captureAudio = false; | |
| 98 captureParams.captureVideo = true; | |
| 99 captureParams.timeLimit = 0; | |
| 100 captureParams.frameLimit = 1; | |
| 101 nsAutoCString buffer; | |
| 102 extractAttributeValue(spec.get(), "width=", buffer); | |
| 103 nsresult err; | |
| 104 captureParams.width = buffer.ToInteger(&err); | |
| 105 if (!captureParams.width) | |
| 106 captureParams.width = 640; | |
| 107 extractAttributeValue(spec.get(), "height=", buffer); | |
| 108 captureParams.height = buffer.ToInteger(&err); | |
| 109 if (!captureParams.height) | |
| 110 captureParams.height = 480; | |
| 111 extractAttributeValue(spec.get(), "camera=", buffer); | |
| 112 captureParams.camera = buffer.ToInteger(&err); | |
| 113 captureParams.bpp = 32; | |
| 114 #ifdef MOZ_WIDGET_ANDROID | |
| 115 capture = GetAndroidCaptureProvider(); | |
| 116 #endif | |
| 117 } else if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=video/x-raw-yuv"), | |
| 118 true, | |
| 119 0, | |
| 120 -1)) { | |
| 121 type.AssignLiteral("video/x-raw-yuv"); | |
| 122 SetContentType(type); | |
| 123 captureParams.captureAudio = false; | |
| 124 captureParams.captureVideo = true; | |
| 125 nsAutoCString buffer; | |
| 126 extractAttributeValue(spec.get(), "width=", buffer); | |
| 127 nsresult err; | |
| 128 captureParams.width = buffer.ToInteger(&err); | |
| 129 if (!captureParams.width) | |
| 130 captureParams.width = 640; | |
| 131 extractAttributeValue(spec.get(), "height=", buffer); | |
| 132 captureParams.height = buffer.ToInteger(&err); | |
| 133 if (!captureParams.height) | |
| 134 captureParams.height = 480; | |
| 135 extractAttributeValue(spec.get(), "camera=", buffer); | |
| 136 captureParams.camera = buffer.ToInteger(&err); | |
| 137 captureParams.bpp = 32; | |
| 138 captureParams.timeLimit = 0; | |
| 139 captureParams.frameLimit = 60000; | |
| 140 #ifdef MOZ_WIDGET_ANDROID | |
| 141 // only enable if "device.camera.enabled" is true. | |
| 142 if (Preferences::GetBool("device.camera.enabled", false) == true) | |
| 143 capture = GetAndroidCaptureProvider(); | |
| 144 #endif | |
| 145 } else { | |
| 146 return NS_ERROR_NOT_IMPLEMENTED; | |
| 147 } | |
| 148 | |
| 149 if (!capture) | |
| 150 return NS_ERROR_FAILURE; | |
| 151 | |
| 152 return capture->Init(type, &captureParams, aStream); | |
| 153 } |
