fix(android): snackbar supports ESM

Author: farfromrefug

packages/nativescript-material-snackbar/platforms/android/include.gradle

@@ -0,0 +1,8 @@
+
+dependencies {
+	def androidXAppCompatVersion =  project.hasProperty("androidXAppCompatVersion") ? project.androidXAppCompatVersion : "1.1.0"
+	def androidXMaterial =  project.hasProperty("androidXMaterial") ? project.androidXMaterial : "1.1.0"
+	
+	compile "androidx.appcompat:appcompat:$androidXAppCompatVersion"
+	compile "com.google.android.material:material:$androidXMaterial"
+}

packages/nativescript-material-snackbar/platforms/android/java/com/nativescript/material/snackbar/SnackCallback.java

@@ -0,0 +1,38 @@
+package com.nativescript.material.snackbar;
+
+import android.content.Context;
+import com.google.android.material.snackbar.Snackbar;
+
+public class SnackCallback extends
+        com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback<com.google.android.material.snackbar.Snackbar> {
+    public interface SnackCallbackListener {
+        public void onDismissed(Snackbar snackbar, int event);
+
+        public void onShown(Snackbar snackbar);
+    }
+
+    SnackCallbackListener listener;
+
+    public SnackCallback() {
+        super();
+    }
+
+    public void setListener(SnackCallbackListener listener) {
+        this.listener = listener;
+    }
+
+    @Override
+    public void onDismissed(Snackbar snackbar, int event) {
+        if (listener != null) {
+            listener.onDismissed(snackbar, event);
+        }
+    }
+
+    @Override
+    public void onShown(Snackbar snackbar) {
+        if (listener != null) {
+            listener.onShown(snackbar);
+        }
+    }
+
+}

src/snackbar/snackbar-common.ts

@@ -52,17 +52,18 @@ export interface SnackBarOptions {
 }
 
 export enum DismissReasons {
-    SWIPE = 'Swipe',
-    ACTION = 'Action',
-    TIMEOUT = 'Timeout',
-    MANUAL = 'Manual',
-    CONSECUTIVE = 'Consecutive',
-    UNKNOWN = 'Unknown'
+    SWIPE = 'swipe',
+    ACTION = 'action',
+    TIMEOUT = 'timeout',
+    MANUAL = 'manual',
+    CONSECUTIVE = 'consecutive',
+    UNKNOWN = 'unknown'
 }
 
 export enum SnackBarAction {
-    NONE = 'None',
-    DISMISS = 'Dismiss'
+    ACTION = 'action',
+    NONE = 'none',
+    DISMISS = 'dismiss'
 }
 
 export abstract class SnackBarBase {

src/snackbar/snackbar.android.ts

@@ -105,24 +105,43 @@ export class SnackBar extends SnackBarBase {
         }
         if (resolve) {
             const listener = new android.view.View.OnClickListener({
-                onClick: args => {
+                onClick: (args) => {
                     resolve({
-                        command: 'Action',
+                        command: SnackBarAction.ACTION,
                         reason: _getReason(1),
-                        event: args
+                        event: args,
                     });
                     if (this._snackbarCallback) {
                         (this._snackbarCallback as any).cb = null;
                         this._snackbarCallback = null;
                     }
                     this._snackbar = null;
-                }
+                },
             });
 
             // set the action text, click listener
             this._snackbar.setAction(options.actionText, listener);
-            initializeSnackCallback();
-            const cb = (this._snackbarCallback = new SnackCallback());
+
+            const callbackListener = new com.nativescript.material.snackbar.SnackCallback.SnackCallbackListener({
+                onDismissed(snackbar: com.google.android.material.snackbar.Snackbar, event: number) {
+                    // if the dismiss was not caused by the action button click listener
+                    const resolve = (cb as any).resolve;
+                    if (event !== com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback.DISMISS_EVENT_ACTION && resolve) {
+                        resolve({
+                            command: SnackBarAction.DISMISS,
+                            reason: _getReason(event),
+                            event: event,
+                        });
+                        (cb as any).resolve.resolve = null;
+                    }
+                    (cb as any).nListener = null;
+                },
+
+                onShown(snackbar: com.google.android.material.snackbar.Snackbar) {},
+            });
+            const cb = (this._snackbarCallback = new com.nativescript.material.snackbar.SnackCallback());
+            cb.setListener(callbackListener);
+            (cb as any).nListener = callbackListener; // handles the resolve of the promise
             (cb as any).resolve = resolve; // handles the resolve of the promise
             this._snackbar.addCallback(cb);
         }
@@ -158,7 +177,7 @@ export class SnackBar extends SnackBarBase {
                     setTimeout(() => {
                         resolve({
                             action: SnackBarAction.DISMISS,
-                            reason: _getReason(3)
+                            reason: _getReason(3),
                         });
                     }, 200);
                     this._snackbar = null;
@@ -168,49 +187,13 @@ export class SnackBar extends SnackBarBase {
             } else {
                 resolve({
                     action: SnackBarAction.NONE,
-                    message: 'No actionbar to dismiss'
+                    message: 'No actionbar to dismiss',
                 });
             }
         });
     }
 }
 
-let SnackCallback: SnackCallback;
-
-interface SnackCallback {
-    // resolve: Function;
-    new (): com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback<com.google.android.material.snackbar.Snackbar>;
-}
-function initializeSnackCallback() {
-    if (SnackCallback) {
-        return;
-    }
-
-    class SnackCallbackImpl extends com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback<com.google.android.material.snackbar.Snackbar> {
-        public resolve: Function = null;
-
-        constructor() {
-            super();
-            return global.__native(this);
-        }
-
-        onDismissed(snackbar: com.google.android.material.snackbar.Snackbar, event: number) {
-            // if the dismiss was not caused by the action button click listener
-            if (event !== com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback.DISMISS_EVENT_ACTION && this.resolve) {
-                this.resolve({
-                    command: 'Dismiss',
-                    reason: _getReason(event),
-                    event: event
-                });
-                this.resolve = null;
-            }
-        }
-
-        onShown(snackbar: com.google.android.material.snackbar.Snackbar) {}
-    }
-
-    SnackCallback = SnackCallbackImpl;
-}
 export function showSnack(options: SnackBarOptions) {
     return new SnackBar().showSnack(options);
 }

src/typings/extensions.android.d.ts

@@ -11,6 +11,21 @@ declare namespace com {
                     fullClearFocus();
                 }
             }
+            export namespace snackbar {
+                class SnackCallback extends com.google.android.material.snackbar.BaseTransientBottomBar.BaseCallback<com.google.android.material.snackbar.Snackbar> {
+                    public setListener(listener: SnackCallback.SnackCallbackListener);
+                }
+                namespace SnackCallback {
+                    class SnackCallbackListener {
+                        constructor(implementation: {
+                            onDismissed(snackbar: com.google.android.material.snackbar.Snackbar, event: number): void;
+                            onShown(snackbar: com.google.android.material.snackbar.Snackbar): void;
+                        });
+                        public onDismissed(snackbar: com.google.android.material.snackbar.Snackbar, event: number): void;
+                        public onShown(snackbar: com.google.android.material.snackbar.Snackbar): void;
+                    }
+                }
+            }
             export namespace bottomsheet {
                 class BottomSheetDialogFragment extends com.google.android.material.bottomsheet.BottomSheetDialogFragment {
                     public setListener(listener: BottomSheetDialogFragment.BottomSheetDialogFragmentListener);