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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/protocol/device/nsDeviceChannel.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/protocol/device/nsDeviceChannel.cpp')
-rw-r--r--netwerk/protocol/device/nsDeviceChannel.cpp154
1 files changed, 154 insertions, 0 deletions
diff --git a/netwerk/protocol/device/nsDeviceChannel.cpp b/netwerk/protocol/device/nsDeviceChannel.cpp
new file mode 100644
index 000000000..6c5788a56
--- /dev/null
+++ b/netwerk/protocol/device/nsDeviceChannel.cpp
@@ -0,0 +1,154 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "plstr.h"
+#include "nsDeviceChannel.h"
+#include "nsDeviceCaptureProvider.h"
+
+#ifdef MOZ_WIDGET_ANDROID
+#include "mozilla/Preferences.h"
+#include "AndroidCaptureProvider.h"
+#endif
+
+using namespace mozilla;
+
+// Copied from image/decoders/icon/nsIconURI.cpp
+// takes a string like ?size=32&contentType=text/html and returns a new string
+// containing just the attribute values. i.e you could pass in this string with
+// an attribute name of "size=", this will return 32
+// Assumption: attribute pairs are separated by &
+void extractAttributeValue(const char* searchString, const char* attributeName, nsCString& result)
+{
+ result.Truncate();
+
+ if (!searchString || !attributeName)
+ return;
+
+ uint32_t attributeNameSize = strlen(attributeName);
+ const char *startOfAttribute = PL_strcasestr(searchString, attributeName);
+ if (!startOfAttribute ||
+ !( *(startOfAttribute-1) == '?' || *(startOfAttribute-1) == '&') )
+ return;
+
+ startOfAttribute += attributeNameSize; // Skip the attributeName
+ if (!*startOfAttribute)
+ return;
+
+ const char *endOfAttribute = strchr(startOfAttribute, '&');
+ if (endOfAttribute) {
+ result.Assign(Substring(startOfAttribute, endOfAttribute));
+ } else {
+ result.Assign(startOfAttribute);
+ }
+}
+
+NS_IMPL_ISUPPORTS_INHERITED(nsDeviceChannel,
+ nsBaseChannel,
+ nsIChannel)
+
+// nsDeviceChannel methods
+nsDeviceChannel::nsDeviceChannel()
+{
+ SetContentType(NS_LITERAL_CSTRING("image/png"));
+}
+
+nsDeviceChannel::~nsDeviceChannel()
+{
+}
+
+nsresult
+nsDeviceChannel::Init(nsIURI* aUri)
+{
+ nsBaseChannel::Init();
+ nsBaseChannel::SetURI(aUri);
+ return NS_OK;
+}
+
+nsresult
+nsDeviceChannel::OpenContentStream(bool aAsync,
+ nsIInputStream** aStream,
+ nsIChannel** aChannel)
+{
+ if (!aAsync)
+ return NS_ERROR_NOT_IMPLEMENTED;
+
+ nsCOMPtr<nsIURI> uri = nsBaseChannel::URI();
+ *aStream = nullptr;
+ *aChannel = nullptr;
+ NS_NAMED_LITERAL_CSTRING(width, "width=");
+ NS_NAMED_LITERAL_CSTRING(height, "height=");
+
+ nsAutoCString spec;
+ nsresult rv = uri->GetSpec(spec);
+ NS_ENSURE_SUCCESS(rv, rv);
+
+ nsAutoCString type;
+
+ RefPtr<nsDeviceCaptureProvider> capture;
+ nsCaptureParams captureParams;
+ captureParams.camera = 0;
+ if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=image/png"),
+ true,
+ 0,
+ -1)) {
+ type.AssignLiteral("image/png");
+ SetContentType(type);
+ captureParams.captureAudio = false;
+ captureParams.captureVideo = true;
+ captureParams.timeLimit = 0;
+ captureParams.frameLimit = 1;
+ nsAutoCString buffer;
+ extractAttributeValue(spec.get(), "width=", buffer);
+ nsresult err;
+ captureParams.width = buffer.ToInteger(&err);
+ if (!captureParams.width)
+ captureParams.width = 640;
+ extractAttributeValue(spec.get(), "height=", buffer);
+ captureParams.height = buffer.ToInteger(&err);
+ if (!captureParams.height)
+ captureParams.height = 480;
+ extractAttributeValue(spec.get(), "camera=", buffer);
+ captureParams.camera = buffer.ToInteger(&err);
+ captureParams.bpp = 32;
+#ifdef MOZ_WIDGET_ANDROID
+ capture = GetAndroidCaptureProvider();
+#endif
+ } else if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=video/x-raw-yuv"),
+ true,
+ 0,
+ -1)) {
+ type.AssignLiteral("video/x-raw-yuv");
+ SetContentType(type);
+ captureParams.captureAudio = false;
+ captureParams.captureVideo = true;
+ nsAutoCString buffer;
+ extractAttributeValue(spec.get(), "width=", buffer);
+ nsresult err;
+ captureParams.width = buffer.ToInteger(&err);
+ if (!captureParams.width)
+ captureParams.width = 640;
+ extractAttributeValue(spec.get(), "height=", buffer);
+ captureParams.height = buffer.ToInteger(&err);
+ if (!captureParams.height)
+ captureParams.height = 480;
+ extractAttributeValue(spec.get(), "camera=", buffer);
+ captureParams.camera = buffer.ToInteger(&err);
+ captureParams.bpp = 32;
+ captureParams.timeLimit = 0;
+ captureParams.frameLimit = 60000;
+#ifdef MOZ_WIDGET_ANDROID
+ // only enable if "device.camera.enabled" is true.
+ if (Preferences::GetBool("device.camera.enabled", false) == true)
+ capture = GetAndroidCaptureProvider();
+#endif
+ } else {
+ return NS_ERROR_NOT_IMPLEMENTED;
+ }
+
+ if (!capture)
+ return NS_ERROR_FAILURE;
+
+ return capture->Init(type, &captureParams, aStream);
+}