feat(instagram): add instagram sharing plugin (#453)

Closes #307

src/index.ts

@@ -52,6 +52,7 @@ import { ImagePicker } from './plugins/imagepicker';
 import { ImageResizer } from './plugins/imageresizer';
 import { InAppBrowser } from './plugins/inappbrowser';
 import { Insomnia } from './plugins/insomnia';
+import { Instagram } from './plugins/instagram';
 import { Keyboard } from './plugins/keyboard';
 import { LaunchNavigator } from './plugins/launchnavigator';
 import { LocalNotifications } from './plugins/localnotifications';
@@ -151,6 +152,7 @@ export {
   GoogleAnalytics,
   Hotspot,
   Insomnia,
+  Instagram,
   Keyboard,
   NativeAudio,
   NativeStorage,
@@ -225,6 +227,7 @@ window['IonicNative'] = {
   ImagePicker: ImagePicker,
   ImageResizer: ImageResizer,
   InAppBrowser: InAppBrowser,
+  Instagram: Instagram,
   Keyboard: Keyboard,
   LaunchNavigator: LaunchNavigator,
   LocalNotifications: LocalNotifications,

src/plugins/instagram.ts

@@ -0,0 +1,57 @@
+import {Plugin, Cordova} from './plugin';
+
+/**
+ * @name Instagram
+ * @description Share a photo with the instagram app
+ *
+ * @usage
+ * ```
+ * import {Instagram} from 'ionic-native';
+ *
+ * Instagram.share('data:image/png;uhduhf3hfif33', 'Caption')
+ *   .then(() => console.log('Shared!'))
+ *   .catch((error: any) => console.error(error));
+ *
+ * ```
+ */
+@Plugin({
+  plugin: 'cordova-instagram-plugin',
+  pluginRef: 'Instagram',
+  repo: 'https://github.com/vstirbu/InstagramPlugin'
+})
+export class Instagram {
+
+  /**
+   * Detect if the Instagram application is installed on the device.
+   *
+   * @return {Promise<boolean|string>} Returns a promise that returns a boolean value if installed, or the app version on android
+   */
+  @Cordova({
+    callbackStyle: 'node'
+  })
+  static isInstalled(): Promise<boolean|string> {return;}
+
+  /**
+   * Share an image on Instagram
+   * Note: Instagram app stopped accepting pre-filled captions on both iOS and Android. As a work-around, the caption is copied to the clipboard. You have to inform your users to paste the caption.
+   *
+   * @param canvasIdOrDataUrl The canvas element id or the dataURL of the image to share
+   * @param caption The caption of the image
+   * @return {Promise<any>} Returns a promise that resolves if the image was shared
+   */
+  @Cordova({
+    callbackStyle: 'node'
+  })
+  static share(canvasIdOrDataUrl: string, caption?: string): Promise<any> {return;}
+
+  /**
+   * Share a library asset or video
+   * @param assetLocalIdentifier A local fileURI
+   * @return {Promise<any>} Returns a promise that resolves if the image was shared
+   */
+  @Cordova({
+    callbackOrder: 'reverse'
+  })
+  static shareAsset(assetLocalIdentifier: string): Promise<any> {return;}
+
+}

src/plugins/plugin.ts

@@ -48,6 +48,14 @@ function setIndex(args: any[], opts: any = {}, resolve?: Function, reject?: Func
     // Get those arguments in the order [resolve, reject, ...restOfArgs]
     args.unshift(reject);
     args.unshift(resolve);
+  } else if (opts.callbackStyle === 'node') {
+    args.push((err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        resolve(result);
+      }
+    });
   } else if (typeof opts.successIndex !== 'undefined' || typeof opts.errorIndex !== 'undefined') {
     // If we've specified a success/error index
     args.splice(opts.successIndex, 0, resolve);