feat: tag every call to disable the idle timer and expose static method for non react-native usage (#31)

add support for tagging calls and native code usage

---------

Co-authored-by: Marc Shilling <marcshilling@gmail.com>

README.md

@@ -56,14 +56,16 @@ protected List<ReactPackage> getPackages() {
 
 ## Usage
 
-1. In your React Native javascript code, bring in the native module:
+### In your React Native javascript code, bring in the native module:
 
 ```javascript
 import IdleTimerManager from 'react-native-idle-timer';
 ```
+<br/>
 
-2. To disable the idle timer on a specific view component:
+### To disable the idle timer while a certain component is mounted:
 
+Class component
 ```javascript
 componentWillMount() {
   IdleTimerManager.setIdleTimerDisabled(true);
@@ -73,3 +75,40 @@ componentWillUnmount() {
   IdleTimerManager.setIdleTimerDisabled(false);
 }
 ```
+
+
+Function component
+
+```javascript
+useEffect(() => {
+  IdleTimerManager.setIdleTimerDisabled(true);
+
+  return () => IdleTimerManager.setIdleTimerDisabled(false);
+}, [])
+```
+<br/>
+
+### If you have multiple components that are responsible for interacting with the idle timer, you can pass a tag as the second parameter:
+
+```javascript
+useEffect(() => {
+  IdleTimerManager.setIdleTimerDisabled(true, "video");
+
+  return () => IdleTimerManager.setIdleTimerDisabled(false, "video");
+}, [])
+```
+<br/>
+
+### If you need to interact from the native Android or iOS side:
+
+Android
+```java
+IdleTimerManager.activate(activity, "video");
+IdleTimerManager.deactivate(activity, "video");
+```
+
+iOS
+```objectivec
+[IdleTimerManager activate:@"video"];
+[IdleTimerManager deactivate:@"video"];
+```

android/src/main/java/com/marcshilling/idletimer/IdleTimerManager.java

@@ -1,20 +1,22 @@
 package com.marcshilling.idletimer;
 
-import com.facebook.react.bridge.NativeModule;
 import com.facebook.react.bridge.ReactApplicationContext;
-import com.facebook.react.bridge.ReactContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
-import java.util.Map;
-import java.util.HashMap;
+
+import java.util.HashSet;
 
 import android.app.Activity;
 import android.view.WindowManager;
 
+import org.jetbrains.annotations.NotNull;
+
 public class IdleTimerManager extends ReactContextBaseJavaModule
 {
     static final String MODULE_NAME = "IdleTimerManager";
 
+    static final HashSet<String> tags = new HashSet();
+
     public IdleTimerManager(ReactApplicationContext reactContext) {
         super(reactContext);
     }
@@ -25,22 +27,30 @@ public class IdleTimerManager extends ReactContextBaseJavaModule
     }
 
     @ReactMethod
-    public void setIdleTimerDisabled(final boolean disabled) {
-
+    public void setIdleTimerDisabled(final boolean disabled, final String tag) {
         final Activity activity = this.getCurrentActivity();
-        if (activity != null) {
-            activity.runOnUiThread(new Runnable() {
-                @Override
-                public void run() {
-                    if (disabled) {
-                        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    } else {
-                        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-                    }
-                }
+        if (disabled) {
+            activate(activity, tag);
+        } else {
+            deactivate(activity, tag);
+        }
+    }
+
+    public static void activate(@NotNull final Activity activity, final String tag) {
+        if (tags.isEmpty()) {
+            activity.runOnUiThread(() -> {
+                activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
             });
         }
+        tags.add((tag == null ? "" : tag));
+    }
 
-
+    public static void deactivate(@NotNull final Activity activity, final String tag) {
+        if (tags.size() == 1 && tags.contains((tag))) {
+            activity.runOnUiThread(() -> {
+                activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+            });
+        }
+        tags.remove((tag == null ? "" : tag));
     }
 }

index.d.ts

@@ -1,4 +1,4 @@
 declare namespace RNIdleTimer {
-  function setIdleTimerDisabled(disabled: boolean): void;
+  function setIdleTimerDisabled(disabled: boolean, tag: string | undefined): void;
 }
 export = RNIdleTimer

index.js

@@ -2,4 +2,6 @@
 
 var { NativeModules } = require('react-native')
 
-module.exports = NativeModules.IdleTimerManager;
+module.exports.setIdleTimerDisabled = (disabled, tag = "") => {
+  NativeModules.IdleTimerManager.setIdleTimerDisabled(disabled, tag);
+}

ios/RNIdleTimer/IdleTimerManager.h

@@ -7,4 +7,7 @@
 
 @interface IdleTimerManager : NSObject <RCTBridgeModule>
 
++ (void)activate:(NSString*)tag;
++ (void)deactivate:(NSString*)tag;
+
 @end

ios/RNIdleTimer/IdleTimerManager.m

@@ -1,13 +1,44 @@
 #import "IdleTimerManager.h"
 
+const static NSMutableSet *tags;
+
 @implementation IdleTimerManager
 
-RCT_EXPORT_MODULE();
-
-RCT_EXPORT_METHOD(setIdleTimerDisabled:(BOOL)disabled) {
-    dispatch_async(dispatch_get_main_queue(), ^{
-        [UIApplication sharedApplication].idleTimerDisabled = disabled;
++ (void) initialize {
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        tags = [NSMutableSet set];
     });
 }
 
+RCT_EXPORT_MODULE();
+
+RCT_EXPORT_METHOD(setIdleTimerDisabled:(BOOL)disabled tag:(NSString *)tag) {
+    if (disabled) {
+        [IdleTimerManager activate:tag];
+    } else {
+        [IdleTimerManager deactivate:tag];
+    }
+}
+
++ (void)activate:(NSString*)tag {
+    if ([tags count] == 0) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [UIApplication sharedApplication].idleTimerDisabled = YES;
+        });
+    }
+
+    [tags addObject:tag ?: @""];
+}
+
++ (void)deactivate:(NSString*)tag {
+    if ([tags count] == 1 && [tags containsObject:tag]) {
+        dispatch_async(dispatch_get_main_queue(), ^{
+            [UIApplication sharedApplication].idleTimerDisabled = NO;
+        });
+    }
+
+    [tags removeObject:tag ?: @""];
+}
+
 @end