From a0a11fcb8203ec2986dddcbb234a84b8d6131229 Mon Sep 17 00:00:00 2001
From: "pengfei.zhou" <penfei.zhou@gmail.com>
Date: Fri, 29 Nov 2019 00:36:20 +0800
Subject: [PATCH] feat:add animation

---
 js-framework/src/ui/animation.ts | 154 +++++++++++++++++++++++++++++++
 js-framework/src/ui/index.ui.ts  |   3 +-
 2 files changed, 156 insertions(+), 1 deletion(-)
 create mode 100644 js-framework/src/ui/animation.ts

diff --git a/js-framework/src/ui/animation.ts b/js-framework/src/ui/animation.ts
new file mode 100644
index 00000000..2bdce10b
--- /dev/null
+++ b/js-framework/src/ui/animation.ts
@@ -0,0 +1,154 @@
+/*
+ * Copyright [2019] [Doric.Pub]
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+export enum RepeatMode {
+    RESTART,
+    REVERSE,
+}
+
+export class Animation {
+    duration = 100
+    startDelay = 0
+    repeatCount = 1
+    repeatMode = RepeatMode.RESTART
+}
+
+export class AnimationSetBuilder {
+    currentNode: Node
+    group: AnimationSet
+
+    constructor(group: AnimationSet, anim: Animation) {
+        this.currentNode = group.getNodeForAnimation(anim)
+        this.group = group
+    }
+
+    with(animation: Animation) {
+        const node = this.group.getNodeForAnimation(animation)
+        this.currentNode.addSibling(node)
+        return this
+    }
+
+    after(animation: Animation) {
+        const node = this.group.getNodeForAnimation(animation)
+        this.currentNode.addParent(node)
+        return this
+    }
+
+    before(animation: Animation) {
+        const node = this.group.getNodeForAnimation(animation)
+        this.currentNode.addChild(node)
+        return this
+    }
+}
+class Node {
+    children: Set<Node> = new Set
+    siblings: Set<Node> = new Set
+    parents: Set<Node> = new Set
+    animation: Animation
+    built = false
+
+    constructor(anim: Animation) {
+        this.animation = anim
+    }
+
+    addParent(node: Node) {
+        if (!this.parents.has(node)) {
+            this.parents.add(node);
+            node.addChild(this);
+        }
+    }
+
+    addSibling(node: Node) {
+        if (!this.siblings.has(node)) {
+            this.siblings.add(node);
+            node.addSibling(this);
+        }
+    }
+
+    addChild(node: Node) {
+        if (!this.children.has(node)) {
+            this.children.add(node)
+            node.addParent(this)
+        }
+    }
+}
+export class AnimationSet {
+    nodeMap: Map<Animation, Node> = new Map
+    nodes: Node[] = []
+
+    getNodeForAnimation(anim: Animation) {
+        let node = this.nodeMap.get(anim)
+        if (node === undefined) {
+            node = new Node(anim)
+            this.nodeMap.set(anim, node)
+            this.nodes.push(node)
+        }
+        return node;
+    }
+    play(animation: Animation) {
+        return new AnimationSetBuilder(this, animation)
+    }
+
+    playTogether(animations: Animation[]) {
+        if (animations.length == 1) {
+            this.play(animations[0]);
+        } else {
+            for (let i = 0; i < animations.length - 1; i++) {
+                this.play(animations[i]).with(animations[i + 1])
+            }
+        }
+    }
+
+    playSequentially(animations: Animation[]) {
+        if (animations.length == 1) {
+            this.play(animations[0]);
+        } else {
+            for (let i = 0; i < animations.length - 1; i++) {
+                this.play(animations[i]).before(animations[i + 1])
+            }
+        }
+    }
+    findSiblings(node: Node, siblings: Set<Node>) {
+        if (!siblings.has(node)) {
+            siblings.add(node)
+            node.siblings.forEach(e => {
+                this.findSiblings(e, siblings)
+            })
+        }
+    }
+    createDependencyGraph() {
+        this.nodes.forEach(node => {
+            if (node.built) {
+                return
+            }
+            this.findSiblings(node, node.siblings)
+            node.siblings.delete(node)
+            node.siblings.forEach(e => {
+                e.parents.forEach(p => {
+                    node.addParent(p)
+                })
+            })
+            node.built = true
+
+            node.siblings.forEach(s => {
+                node.parents.forEach(p => {
+                    s.addParent(p)
+                })
+                s.built = true
+            })
+        })
+    }
+}
\ No newline at end of file
diff --git a/js-framework/src/ui/index.ui.ts b/js-framework/src/ui/index.ui.ts
index 8d13b760..5a56545f 100644
--- a/js-framework/src/ui/index.ui.ts
+++ b/js-framework/src/ui/index.ui.ts
@@ -14,4 +14,5 @@
  * limitations under the License.
  */
 export * from './view'
-export * from './panel'
\ No newline at end of file
+export * from './panel'
+export * from './animation'
\ No newline at end of file