[adapters] 增加小游戏适配部分源码

adapters/platforms/taobao/res/pages/index/index.axml

@@ -0,0 +1,12 @@
+<view class="canvas-element" style="flex-direction:row;display:flex;flex:1;background-color:rgba(0,0,0,1);">
+  <canvas 
+  id="GameCanvas" 
+  type="webgl" 
+  onReady="canvasOnReady" 
+  style="width:100%;height:100%;"
+  onTouchStart="onTouchStart"
+  onTouchCancel="onTouchCancel"
+  onTouchEnd="onTouchEnd"
+  onTouchMove="onTouchMove"
+  ></canvas>
+</view>

adapters/platforms/taobao/res/pages/index/index.js

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+var touchstartCB;
+var touchcancelCB;
+var touchendCB;
+var touchmoveCB;
+
+function handleTouchEvent (event) {
+	let changedTouches = event.changedTouches;
+	if (changedTouches) {
+		for (let touch of changedTouches) {
+			touch.clientX = touch.x;
+			touch.clientY = touch.y;
+		}
+	}
+}
+
+Page({
+	onReady () {
+		__globalAdapter.onTouchStart = function (cb) {
+			touchstartCB = cb;
+		}
+		__globalAdapter.onTouchCancel = function (cb) {
+			touchcancelCB = cb;
+		}
+		__globalAdapter.onTouchEnd = function (cb) {
+			touchendCB = cb;
+		}
+		__globalAdapter.onTouchMove = function (cb) {
+			touchmoveCB = cb;
+		}
+	},
+	onError (err) {
+		console.error('error in page: ', err);
+	},
+	onTouchStart (event) {
+		handleTouchEvent(event);
+		touchstartCB && touchstartCB(event);
+	},
+	onTouchCancel (event) {
+		handleTouchEvent(event);
+		touchcancelCB && touchcancelCB(event);
+	},
+	onTouchEnd (event) {
+		handleTouchEvent(event);
+		touchendCB && touchendCB(event);
+	},
+	onTouchMove (event) {
+		handleTouchEvent(event);
+		touchmoveCB && touchmoveCB(event);
+	},
+	canvasOnReady () {
+		my.createCanvas({
+			id:'GameCanvas', 
+			success(canvas){
+			        if (!canvas) {
+    				        console.error('failed to create canvas.');
+			                return;
+			        }
+				$global.screencanvas = canvas;
+				$global.__cocosCallback();
+			},
+			fail (err) {
+				console.error('failed to init on screen canvas', err)
+			}
+		});
+	}
+});

adapters/platforms/taobao/res/pages/index/index.json

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+{}