mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
e7cab6e3c6
--HG-- extra : rebase_source : 9e9474bf72d880c8a7364c795b451f28a10913c3
159 lines
5.4 KiB
C++
159 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is Camera.
|
|
*
|
|
* The Initial Developer of the Original Code is Mozilla Corporation
|
|
* Portions created by the Initial Developer are Copyright (C) 2009
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Brad Lassey <blassey@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#include "plstr.h"
|
|
#include "nsComponentManagerUtils.h"
|
|
#include "nsDeviceChannel.h"
|
|
#include "nsDeviceCaptureProvider.h"
|
|
|
|
// Copied from modules/libpr0n/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;
|
|
|
|
PRUint32 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_INHERITED1(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(PRBool aAsync,
|
|
nsIInputStream** aStream,
|
|
nsIChannel** aChannel)
|
|
{
|
|
if (!aAsync)
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
|
|
nsCOMPtr<nsIURI> uri = nsBaseChannel::URI();
|
|
*aStream = nsnull;
|
|
*aChannel = nsnull;
|
|
NS_NAMED_LITERAL_CSTRING(width, "width=");
|
|
NS_NAMED_LITERAL_CSTRING(height, "height=");
|
|
|
|
nsCAutoString spec;
|
|
uri->GetSpec(spec);
|
|
|
|
nsCAutoString type;
|
|
// Because no capture providers are implemented at the moment
|
|
// capture will always be null and this function will always fail
|
|
nsRefPtr<nsDeviceCaptureProvider> capture;
|
|
nsCaptureParams captureParams;
|
|
if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=image/png"),
|
|
PR_TRUE,
|
|
0,
|
|
-1)) {
|
|
type.AssignLiteral("image/png");
|
|
SetContentType(type);
|
|
captureParams.captureAudio = PR_FALSE;
|
|
captureParams.captureVideo = PR_TRUE;
|
|
captureParams.timeLimit = 0;
|
|
captureParams.frameLimit = 1;
|
|
nsCAutoString 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;
|
|
captureParams.bpp = 32;
|
|
} else if (kNotFound != spec.Find(NS_LITERAL_CSTRING("type=video/x-raw-yuv"),
|
|
PR_TRUE,
|
|
0,
|
|
-1)) {
|
|
type.AssignLiteral("video/x-raw-yuv");
|
|
SetContentType(type);
|
|
captureParams.captureAudio = PR_FALSE;
|
|
captureParams.captureVideo = PR_TRUE;
|
|
captureParams.width = 640;
|
|
captureParams.height = 480;
|
|
captureParams.bpp = 32;
|
|
captureParams.frameLimit = 6000;
|
|
} else {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (!capture)
|
|
return NS_ERROR_FAILURE;
|
|
|
|
return capture->Init(type, &captureParams, aStream);
|
|
}
|