feat(android): add nestedScrollPriority for ListView and ScrollView

android/sdk/src/main/java/com/tencent/mtt/hippy/uimanager/HippyViewController.java

@@ -36,6 +36,8 @@
 import com.tencent.mtt.hippy.utils.LogUtils;
 import com.tencent.mtt.hippy.utils.PixelUtil;
 import com.tencent.mtt.hippy.views.common.CommonBorder;
+import com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent;
+import com.tencent.mtt.hippy.views.common.HippyNestedScrollHelper;
 import com.tencent.mtt.hippy.views.hippylist.HippyRecyclerViewWrapper;
 import com.tencent.mtt.hippy.views.list.HippyListView;
 import com.tencent.mtt.hippy.views.scroll.HippyScrollView;
@@ -640,6 +642,52 @@ public void setRenderToHardwareTexture(T view, boolean useHWTexture) {
     view.setLayerType(useHWTexture ? View.LAYER_TYPE_HARDWARE : View.LAYER_TYPE_NONE, null);
   }
 
+  @HippyControllerProps(name = HippyNestedScrollComponent.PROP_PRIORITY, defaultType =
+    HippyControllerProps.STRING, defaultString = HippyNestedScrollComponent.PRIORITY_SELF)
+  public void setNestedScrollPriority(T view, String priorityName) {
+    if (view instanceof HippyNestedScrollComponent) {
+      HippyNestedScrollComponent sc = (HippyNestedScrollComponent) view;
+      HippyNestedScrollComponent.Priority priority = HippyNestedScrollHelper.priorityOf(priorityName);
+      sc.setNestedScrollPriority(HippyNestedScrollComponent.DIRECTION_ALL, priority);
+    }
+  }
+
+  @HippyControllerProps(name = HippyNestedScrollComponent.PROP_LEFT_PRIORITY, defaultType =
+    HippyControllerProps.STRING, defaultString = HippyNestedScrollComponent.PRIORITY_SELF)
+  public void setNestedScrollLeftPriority(T view, String priorityName) {
+    if (view instanceof HippyNestedScrollComponent) {
+      HippyNestedScrollComponent.Priority priority = HippyNestedScrollHelper.priorityOf(priorityName);
+      ((HippyNestedScrollComponent) view).setNestedScrollPriority(HippyNestedScrollComponent.DIRECTION_LEFT, priority);
+    }
+  }
+
+  @HippyControllerProps(name = HippyNestedScrollComponent.PROP_TOP_PRIORITY, defaultType =
+    HippyControllerProps.STRING, defaultString = HippyNestedScrollComponent.PRIORITY_SELF)
+  public void setNestedScrollTopPriority(T view, String priorityName) {
+    if (view instanceof HippyNestedScrollComponent) {
+      HippyNestedScrollComponent.Priority priority = HippyNestedScrollHelper.priorityOf(priorityName);
+      ((HippyNestedScrollComponent) view).setNestedScrollPriority(HippyNestedScrollComponent.DIRECTION_TOP, priority);
+    }
+  }
+
+  @HippyControllerProps(name = HippyNestedScrollComponent.PROP_RIGHT_PRIORITY, defaultType =
+    HippyControllerProps.STRING, defaultString = HippyNestedScrollComponent.PRIORITY_SELF)
+  public void setNestedScrollRightPriority(T view, String priorityName) {
+    if (view instanceof HippyNestedScrollComponent) {
+      HippyNestedScrollComponent.Priority priority = HippyNestedScrollHelper.priorityOf(priorityName);
+      ((HippyNestedScrollComponent) view).setNestedScrollPriority(HippyNestedScrollComponent.DIRECTION_RIGHT, priority);
+    }
+  }
+
+  @HippyControllerProps(name = HippyNestedScrollComponent.PROP_BOTTOM_PRIORITY, defaultType =
+    HippyControllerProps.STRING, defaultString = HippyNestedScrollComponent.PRIORITY_SELF)
+  public void setNestedScrollBottomPriority(T view, String priorityName) {
+    if (view instanceof HippyNestedScrollComponent) {
+      HippyNestedScrollComponent.Priority priority = HippyNestedScrollHelper.priorityOf(priorityName);
+      ((HippyNestedScrollComponent) view).setNestedScrollPriority(HippyNestedScrollComponent.DIRECTION_BOTTOM, priority);
+    }
+  }
+
   @SuppressWarnings("EmptyMethod")
   @HippyControllerProps(name = NodeProps.CUSTOM_PROP)
   public void setCustomProp(T view, String methodName, Object props) {

android/sdk/src/main/java/com/tencent/mtt/hippy/views/common/HippyNestedScrollComponent.java

@@ -0,0 +1,69 @@
+/* Tencent is pleased to support the open source community by making Hippy available.
+ * Copyright (C) 2018 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * 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.
+ */
+
+package com.tencent.mtt.hippy.views.common;
+
+import androidx.core.view.NestedScrollingChild;
+import androidx.core.view.NestedScrollingChild2;
+import androidx.core.view.NestedScrollingParent;
+import androidx.core.view.NestedScrollingParent2;
+
+public interface HippyNestedScrollComponent {
+
+    String PROP_PRIORITY = "nestedScrollPriority";
+    String PROP_LEFT_PRIORITY = "nestedScrollLeftPriority";
+    String PROP_TOP_PRIORITY = "nestedScrollTopPriority";
+    String PROP_RIGHT_PRIORITY = "nestedScrollRightPriority";
+    String PROP_BOTTOM_PRIORITY = "nestedScrollBottomPriority";
+
+    String PRIORITY_PARENT = "parent";
+    String PRIORITY_SELF = "self";
+    String PRIORITY_NONE = "none";
+
+    int DIRECTION_INVALID = -1;
+    int DIRECTION_ALL = 0;
+    int DIRECTION_LEFT = 1;
+    int DIRECTION_TOP = 2;
+    int DIRECTION_RIGHT = 3;
+    int DIRECTION_BOTTOM = 4;
+
+    void setNestedScrollPriority(int direction, Priority priority);
+
+    Priority getNestedScrollPriority(int direction);
+
+    enum Priority {
+        NOT_SET,
+        PARENT,
+        SELF,
+        NONE,
+    }
+
+    /**
+     * Nested scroll interface declaration
+     */
+    interface HippyNestedScrollTarget extends HippyNestedScrollComponent, NestedScrollingParent,
+        NestedScrollingChild {
+
+    }
+
+    /**
+     * Added non-touch scrolling type than {@link HippyNestedScrollTarget}
+     */
+    interface HippyNestedScrollTarget2 extends HippyNestedScrollTarget, NestedScrollingParent2,
+        NestedScrollingChild2 {
+
+    }
+}

android/sdk/src/main/java/com/tencent/mtt/hippy/views/common/HippyNestedScrollHelper.java

@@ -0,0 +1,73 @@
+/* Tencent is pleased to support the open source community by making Hippy available.
+ * Copyright (C) 2018 THL A29 Limited, a Tencent company. All rights reserved.
+ *
+ * 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.
+ */
+
+package com.tencent.mtt.hippy.views.common;
+
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.DIRECTION_BOTTOM;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.DIRECTION_LEFT;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.DIRECTION_RIGHT;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.DIRECTION_TOP;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.PRIORITY_NONE;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.PRIORITY_PARENT;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.PRIORITY_SELF;
+import static com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.Priority;
+
+import android.view.View;
+import com.tencent.mtt.hippy.views.common.HippyNestedScrollComponent.HippyNestedScrollTarget;
+
+public class HippyNestedScrollHelper {
+
+    public static Priority priorityOf(String name) {
+        switch (name) {
+            case PRIORITY_SELF:
+                return Priority.SELF;
+            case PRIORITY_PARENT:
+                return Priority.PARENT;
+            case PRIORITY_NONE:
+                return Priority.NONE;
+            default:
+                throw new RuntimeException("Invalid priority: " + name);
+        }
+    }
+
+    public static Priority priorityOfX(View target, int dx) {
+        // not scrolling, priority is NONE
+        if (dx == 0) {
+            return Priority.NONE;
+        }
+        // non-HippyNestedScrollTarget View, priority is SELF
+        if (!(target instanceof HippyNestedScrollTarget)) {
+            return Priority.SELF;
+        }
+        // get priority from target by direction
+        return ((HippyNestedScrollTarget) target).getNestedScrollPriority(
+            dx > 0 ? DIRECTION_LEFT : DIRECTION_RIGHT);
+    }
+
+    public static Priority priorityOfY(View target, int dy) {
+        // not scrolling, priority is NONE
+        if (dy == 0) {
+            return Priority.NONE;
+        }
+        // non-HippyNestedScrollTarget View, priority is SELF
+        if (!(target instanceof HippyNestedScrollTarget)) {
+            return Priority.SELF;
+        }
+        // get priority from target by direction
+        return ((HippyNestedScrollTarget) target).getNestedScrollPriority(
+            dy > 0 ? DIRECTION_TOP : DIRECTION_BOTTOM);
+    }
+}