add camera

plugin/local/chat/media.js

@@ -0,0 +1,36 @@
+Volcanos("onimport", {help: "导入数据", list: [], _init: function(can, msg, list, cb, target) {
+        can.ui = can.onlayout.display(can, target)
+        can.ui.canvas = can.page.Append(can, can.ui.display, [{type: "canvas", width: 320, height: 240, style: {display: "none"}}]).first
+
+        can.onappend.table(can, msg, can.ui.content, "table", function(value, key, index, line, array) {
+            return {text: [value, "td"], onclick: function(event) {
+                can.sup.onaction.change(event, can.sup, key, value, function(msg) {
+                    can.run(event)
+                })
+            }}
+        })
+
+        can.onappend.board(can, msg, can.ui.display, "board")
+        typeof cb == "function" && cb(msg)
+    },
+})
+Volcanos("onaction", {help: "操作数据", list: [], _init: function(can, msg, list, cb, target) {
+
+    },
+
+    open: function(event, can) {
+        navigator.getUserMedia({video: {width: 320, height: 240}}, function(stream) {
+            var video = can.page.Append(can, can.ui.content, "video")
+            video.srcObject = stream, video.play()
+            can.ui.video = video
+        }, function(error) {
+            can.base.Log("open camera", error)
+        })
+    },
+    snapshot: function(event, can) {
+        can.ui.canvas.getContext("2d").drawImage(can.ui.video, 0, 0)
+        can.page.Append(can, can.ui.display, [{type: "img", src: can.ui.canvas.toDataURL('image/webp')}])
+    },
+})
+Volcanos("onexport", {help: "导出数据", list: [], 
+})