refactor(cordova): using promise instead of queue

packages/core/src/components/app/app.tsx

@@ -100,7 +100,7 @@ export class App {
     return null;
   }
 
-  @Method()
+  @Listen('document:backbutton')
   hardwareBackButtonPressed() {
     // check if menu exists and is open
     return checkIfMenuIsOpen().then((done: boolean) => {
@@ -134,12 +134,12 @@ export class App {
     });
   }
 
-  @Method()
+  @Listen('document:paused')
   appResume(): void {
     return null;
   }
 
-  @Method()
+  @Listen('document:resume')
   appPaused(): void {
     return null;
   }

packages/core/src/components/app/readme.md

@@ -12,12 +12,6 @@
 
 ## Methods
 
-#### appPaused()
-
-
-#### appResume()
-
-
 #### getNavByIdOrName()
 
 
@@ -29,9 +23,6 @@ Returns an array of top level Navs
 #### getTopNavs()
 
 
-#### hardwareBackButtonPressed()
-
-
 #### isEnabled()
 
 Returns whether the application is enabled or not

packages/core/src/components/cordova-platform/cordova-platform.tsx

@@ -1,84 +1,35 @@
 import { Component, Listen, Method} from '@stencil/core';
 
-let isReady = false;
-let readyQueue: Function[] = [];
 
 @Component({
   tag: 'ion-cordova-platform',
-  styleUrls: {
-    ios: 'cordova-platform.ios.scss',
-    md: 'cordova-platform.md.scss'
-  },
-  host: {
-    theme: 'cordova-platform'
-  }
 })
 export class CordovaPlatform {
 
+  private readyPromise: Promise<void>;
+  private readyResolve: Function;
+
+  constructor() {
+    this.readyPromise = new Promise(resolve => this.readyResolve = resolve);
+  }
+
   @Method()
-  ready() {
+  ready(): Promise<void> {
-    return readyImpl();
+    return this.readyPromise;
   }
 
   @Listen('document:deviceready')
   deviceReadyHandler() {
-    isReady = true;
+    this.readyResolve();
-    processReadyQueue();
   }
 
+  @Method()
   @Listen('body:exitApp')
   exitCordovaApp() {
     // this is lifted directly from Ionic 3
-    ((window.navigator as any).app as any).exitApp();
+    const app = (window.navigator as any).app;
+    if (app && app.exitApp) {
+      app.exitApp();
     }
-
-  componentDidLoad() {
-    readyImpl().then(() => {
-      // okay cool, we've received the ready event, we need to listen for the other events now
-      document.addEventListener('backbutton', handleBackButton);
-
-      document.addEventListener('resume', handleResume);
-
-      document.addEventListener('pause', handlePause);
-    });
   }
 }
-
-export function handleBackButton() {
-  return getHydratedApp().then((app: HTMLIonAppElement) => {
-    return app.hardwareBackButtonPressed();
-  });
-}
-
-export function handleResume() {
-  return getHydratedApp().then((app: HTMLIonAppElement) => {
-    return app.appResume();
-  });
-}
-
-export function handlePause() {
-  return getHydratedApp().then((app: HTMLIonAppElement) => {
-    return app.appPaused();
-  });
-}
-
-export function getHydratedApp() {
-  const app = document.querySelector('ion-app');
-  return (app as any).componentOnReady();
-}
-
-export function readyImpl(): Promise<any> {
-  if (isReady) {
-    return Promise.resolve();
-  }
-  return new Promise((resolve) => {
-    readyQueue.push(resolve);
-  });
-}
-
-export function processReadyQueue() {
-  for (const resolve of readyQueue) {
-    resolve();
-  }
-  readyQueue = [];
-}

packages/core/src/components/cordova-platform/readme.md

@@ -7,6 +7,9 @@
 
 ## Methods
 
+#### exitCordovaApp()
+
+
 #### ready()