Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | <!DOCTYPE html> |
michael@0 | 2 | <html> |
michael@0 | 3 | <head> |
michael@0 | 4 | <script type="text/javascript"><!-- |
michael@0 | 5 | window.onload = function () { |
michael@0 | 6 | var canvas = document.getElementById('testCanvas'), |
michael@0 | 7 | context = canvas.getContext('2d'); |
michael@0 | 8 | |
michael@0 | 9 | // draw a path |
michael@0 | 10 | context.beginPath(); |
michael@0 | 11 | context.moveTo(10, 10); |
michael@0 | 12 | context.lineTo(200, 10); |
michael@0 | 13 | context.lineTo(200, 200); |
michael@0 | 14 | context.stroke(); |
michael@0 | 15 | context.closePath(); |
michael@0 | 16 | |
michael@0 | 17 | context.clearRect(0, 0, canvas.width, canvas.height); |
michael@0 | 18 | |
michael@0 | 19 | // draw some text |
michael@0 | 20 | context.font = 'bold 40px sans-serif'; |
michael@0 | 21 | context.strokeText("Hello world!", 10, 50); |
michael@0 | 22 | }; |
michael@0 | 23 | // --></script> |
michael@0 | 24 | </head> |
michael@0 | 25 | <body> |
michael@0 | 26 | <p>You should see only see "Hello world!" below, without any additional |
michael@0 | 27 | line. JavaScript is required.</p> |
michael@0 | 28 | |
michael@0 | 29 | <p><canvas id="testCanvas" width="400" height="300">You need Canvas |
michael@0 | 30 | support.</canvas></p> |
michael@0 | 31 | |
michael@0 | 32 | </body> |
michael@0 | 33 | </html> |