Fix #4105 (memory leak)

src/chart/graph/GraphView.js

@@ -142,6 +142,10 @@ define(function (require) {
             this._firstRender = false;
         },
 
+        dispose: function () {
+            this._controller && this._controller.dispose();
+        },
+
         _focusNodeAdjacency: function (e) {
             var data = this._model.getData();
             var graph = data.graph;

src/chart/map/MapView.js

@@ -53,6 +53,11 @@ define(function (require) {
             this.group.removeAll();
         },
 
+        dispose: function () {
+            this._mapDraw && this._mapDraw.remove();
+            this._mapDraw = null;
+        },
+
         _renderSymbols: function (mapModel, ecModel, api) {
             var originalData = mapModel.originalData;
             var group = this.group;

src/chart/treemap/TreemapView.js

@@ -386,7 +386,7 @@
         _clearController: function () {
             var controller = this._controller;
             if (controller) {
-                controller.off('pan').off('zoom');
+                controller.dispose();
                 controller = null;
             }
         },

src/component/dataZoom/roams.js

@@ -36,6 +36,7 @@ define(function(require) {
             var theCoordId = dataZoomInfo.coordId;
 
             // Do clean when a dataZoom changes its target coordnate system.
+            // Avoid memory leak, dispose all not-used-registered.
             zrUtil.each(store, function (record, coordId) {
                 var dataZoomInfos = record.dataZoomInfos;
                 if (dataZoomInfos[theDataZoomId]
@@ -49,7 +50,6 @@ define(function(require) {
             cleanStore(store);
 
             var record = store[theCoordId];
-
             // Create if needed.
             if (!record) {
                 record = store[theCoordId] = {
@@ -86,6 +86,7 @@ define(function(require) {
             var store = giveStore(api);
 
             zrUtil.each(store, function (record) {
+                record.controller.dispose();
                 var dataZoomInfos = record.dataZoomInfos;
                 if (dataZoomInfos[dataZoomId]) {
                     delete dataZoomInfos[dataZoomId];
@@ -141,7 +142,7 @@ define(function(require) {
     function cleanStore(store) {
         zrUtil.each(store, function (record, coordId) {
             if (!record.count) {
-                record.controller.off('pan').off('zoom');
+                record.controller.dispose();
                 delete store[coordId];
             }
         });

src/component/geo/GeoView.js

@@ -32,6 +32,14 @@ define(function (require) {
             }
 
             this.group.silent = geoModel.get('silent');
+        },
+
+        remove: function () {
+            this._mapDraw && this._mapDraw.remove();
+        },
+
+        dispose: function () {
+            this._mapDraw && this._mapDraw.remove();
         }
     });
 });
\ No newline at end of file