ZoomDetector.jsリファクタリング

abvw/common/js/zoomDetector.js

-var zoom_ratioPre = 1;
-var zoom_ratio = 1;
-var zoom_timer;
-var zoom_continue = false;
-var zoom_callbackFunction;
-var zoom_miliSeconds = 1000;  // Default is 1 second
-var zoom_oldW = -1;
-var zoom_oldH = -1;
-function calculateZoomLevel() {
-    zoom_ratioPre = ClientData.zoom_ratioPre();
-    if (zoom_timer) {
-        clearTimeout(zoom_timer);
-        zoom_timer = null;
+/**
+ *  ABook Viewer for WEB
+ *  ZoomDetector Library
+ *  Copyright (C) Agentec Co, Ltd. All rights reserved.
+*/
+
+//グローバルの名前空間用のオブジェクトを用意する
+var ZOOM_DETECTOR = {};
+
+ZOOM_DETECTOR.zoom_ratioPre = 1;
+ZOOM_DETECTOR.zoom_ratio = 1;
+ZOOM_DETECTOR.zoom_timer;
+ZOOM_DETECTOR.zoom_continue = false;
+ZOOM_DETECTOR.zoom_callbackFunction;
+ZOOM_DETECTOR.zoom_miliSeconds = 1000;  // Default is 1 second
+ZOOM_DETECTOR.zoom_oldW = -1;
+ZOOM_DETECTOR.zoom_oldH = -1;
+
+ZOOM_DETECTOR.calculateZoomLevel = function() {
+    ZOOM_DETECTOR.zoom_ratioPre = ClientData.zoom_ratioPre();
+    if (ZOOM_DETECTOR.zoom_timer) {
+        clearTimeout(ZOOM_DETECTOR.zoom_timer);
+        ZOOM_DETECTOR.zoom_timer = null;
     }
     
-    zoom_ratio = document.documentElement.clientWidth / window.innerWidth;
-    if (zoom_ratioPre != zoom_ratio) {
-        if (zoom_oldW == -1) {
-            zoom_oldW = document.documentElement.clientWidth;
+    ZOOM_DETECTOR.zoom_ratio = document.documentElement.clientWidth / window.innerWidth;
+    if (ZOOM_DETECTOR.zoom_ratioPre != ZOOM_DETECTOR.zoom_ratio) {
+        if (ZOOM_DETECTOR.zoom_oldW == -1) {
+            ZOOM_DETECTOR.zoom_oldW = document.documentElement.clientWidth;
         }
-        if (zoom_oldH == -1) {
-            zoom_oldH = document.documentElement.clientWidth;
+        if (ZOOM_DETECTOR.zoom_oldH == -1) {
+            ZOOM_DETECTOR.zoom_oldH = document.documentElement.clientWidth;
         }
-        if (zoom_callbackFunction) {
-            zoom_callbackFunction(zoom_ratioPre, zoom_ratio, zoom_oldW, zoom_oldH, window.innerWidth, window.innerHeight);
+        if (ZOOM_DETECTOR.zoom_callbackFunction) {
+            ZOOM_DETECTOR.zoom_callbackFunction(ZOOM_DETECTOR.zoom_ratioPre, ZOOM_DETECTOR.zoom_ratio, ZOOM_DETECTOR.zoom_oldW, ZOOM_DETECTOR.zoom_oldH, window.innerWidth, window.innerHeight);
         }
-        zoom_ratioPre = zoom_ratio;
-        ClientData.zoom_ratioPre(zoom_ratioPre);
-        zoom_oldW = window.innerWidth;
-        zoom_oldH = window.innerHeight;
+        ZOOM_DETECTOR.zoom_ratioPre = ZOOM_DETECTOR.zoom_ratio;
+        ClientData.zoom_ratioPre(ZOOM_DETECTOR.zoom_ratioPre);
+        ZOOM_DETECTOR.zoom_oldW = window.innerWidth;
+        ZOOM_DETECTOR.zoom_oldH = window.innerHeight;
     }
-    if (zoom_continue == true) {
-        zoom_timer = setTimeout("calculateZoomLevel();", zoom_miliSeconds);
+    if (ZOOM_DETECTOR.zoom_continue == true) {
+        ZOOM_DETECTOR.zoom_timer = setTimeout("ZOOM_DETECTOR.calculateZoomLevel();", ZOOM_DETECTOR.zoom_miliSeconds);
     }
 };
-function stopDetectZoom() {
-    zoom_continue = false;
+
+ZOOM_DETECTOR.stopDetectZoom = function() {
+    ZOOM_DETECTOR.zoom_continue = false;
 };
-function startDetectZoom(params) {
-    zoom_continue = true;
+
+ZOOM_DETECTOR.startDetectZoom = function(params) {
+    ZOOM_DETECTOR.zoom_continue = true;
     if (params.callbackFunction) {
-        zoom_callbackFunction = params.callbackFunction;
+        ZOOM_DETECTOR.zoom_callbackFunction = params.callbackFunction;
     }
     if (params.time) {
-        zoom_miliSeconds = params.time;
+        ZOOM_DETECTOR.zoom_miliSeconds = params.time;
     }
-    zoom_timer = setTimeout("calculateZoomLevel();", zoom_miliSeconds);
+    ZOOM_DETECTOR.zoom_timer = setTimeout("ZOOM_DETECTOR.calculateZoomLevel();", ZOOM_DETECTOR.zoom_miliSeconds);
 };

abvw/js/contentview.js

@@ -2188,7 +2188,7 @@ function displayOverlayForSpecifyContentType(){
     if (COMMON.isTouchDevice() == true) {
         if (avwUserEnvObj.os == "android") {
             standardRatio = document.documentElement.clientWidth / window.innerWidth;
-            startDetectZoom({ time: 500,
+            ZOOM_DETECTOR.startDetectZoom({ time: 500,
                 callbackFunction: function (oldRatio, newRatio, oldW, oldH, newW, newH) {
                     currentRatio = newRatio;
 

abvw/js/contentview_GetData.js

@@ -1135,7 +1135,7 @@ function getContentInfoTypeImage(){
         if (COMMON.isTouchDevice() == true) {
             if (avwUserEnvObj.os == "android") {
                 standardRatio = document.documentElement.clientWidth / window.innerWidth;
-                startDetectZoom({ time: 500,
+                ZOOM_DETECTOR.startDetectZoom({ time: 500,
                     callbackFunction: function (oldRatio, newRatio, oldW, oldH, newW, newH) {
                         currentRatio = newRatio;
 

abvw/js/contentview_InitObjects.js

@@ -391,7 +391,7 @@ function initPage() {
             if (COMMON.isTouchDevice() == true) {
                 if (avwUserEnvObj.os == "android") {
                     standardRatio = document.documentElement.clientWidth / window.innerWidth;
-                    startDetectZoom({ time: 500,
+                    ZOOM_DETECTOR.startDetectZoom({ time: 500,
                         callbackFunction: function (oldRatio, newRatio, oldW, oldH, newW, newH) {
                             currentRatio = newRatio;
 
@@ -531,7 +531,7 @@ function initPage() {
                 if (COMMON.isTouchDevice() == true) {
                     if (avwUserEnvObj.os == "android") {
                         standardRatio = document.documentElement.clientWidth / window.innerWidth;
-                        startDetectZoom({ time: 500,
+                        ZOOM_DETECTOR.startDetectZoom({ time: 500,
                             callbackFunction: function (oldRatio, newRatio, oldW, oldH, newW, newH) {
                                 currentRatio = newRatio;