feat(camera-preview): add wrapper for camera-preview (#301)

* feat(camera-preview): add camera-preview

* feat(camera-preview): add camera-preview

src/index.ts

@@ -20,6 +20,7 @@ import {BLE} from './plugins/ble';
 import {BluetoothSerial} from './plugins/bluetoothserial';
 import {Calendar} from './plugins/calendar';
 import {Camera} from './plugins/camera';
+import {CameraPreview} from './plugins/camera-preview';
 import {CardIO} from './plugins/card-io';
 import {Clipboard} from './plugins/clipboard';
 import {Contacts} from './plugins/contacts';
@@ -113,6 +114,7 @@ export {
   Brightness,
   BLE,
   BluetoothSerial,
+  CameraPreview,
   Clipboard,
   DBMeter,
   Deeplinks,
@@ -165,6 +167,7 @@ window['IonicNative'] = {
   BluetoothSerial: BluetoothSerial,
   Calendar: Calendar,
   Camera: Camera,
+  CameraPreview: CameraPreview,
   CardIO: CardIO,
   Clipboard: Clipboard,
   Contacts: Contacts,

src/plugins/camera-preview.ts

@@ -0,0 +1,129 @@
+import {Plugin, Cordova} from './plugin';
+import {Observable} from 'rxjs/Observable';
+
+export interface CameraPreviewOptions {
+    x: number;
+    y: number;
+    width: number;
+    height: number;
+    /**
+     * Choose the camera to use (front- or back-facing).
+     *  'front' for front camera
+     *  'rear' for rear camera
+     */
+    camera: string;
+    /** Take photo on tap */
+    tapPhoto: boolean;
+    /** */
+    previewDrag: boolean;
+    /**  */
+    toBack: boolean;
+    /** Alpha use when toBack is set to true */
+    alpha: number;
+}
+
+export interface CameraPreviewSize {
+    maxWidth: number;
+    maxHeight: number;
+}
+
+/**
+ * @name CameraPreview
+ * @description
+ * Showing camera preview in HTML
+ *
+ * Requires {@link module:driftyco/ionic-native} and the Cordova plugin: `cordova-plugin-camera-preview`. For more info, please see the [Cordova Camera Preview Plugin Docs](https://github.com/westonganger/cordova-plugin-camera-preview).
+ *
+ */
+@Plugin({
+  plugin: 'cordova-plugin-camera-preview',
+  pluginRef: 'cordova.plugins.camerapreview',
+  repo: 'https://github.com/westonganger/cordova-plugin-camera-preview',
+  platforms: ['Android', 'iOS']
+})
+export class CameraPreview {
+
+  /**
+   * Starts the camera preview instance.
+   * @param {CameraPreviewOptions} options for the preview
+   */
+  @Cordova({
+    sync: true
+  })
+  static startCamera(options: CameraPreviewOptions): void {};
+
+  /**
+   * Stops the camera preview instance.
+   */
+  @Cordova({
+    sync: true
+  })
+  static stopCamera(): void {};
+
+  /**
+   * Take the picture, the parameter size is optional
+   */
+  @Cordova({
+    sync: true
+  })
+  static takePicture(size: CameraPreviewSize): void {};
+
+  /**
+   * Register a callback function that receives the original picture and the image captured from the preview box.
+   */
+  @Cordova({
+    observable: true
+  })
+  static setOnPictureTakenHandler(): Observable<any> { return; };
+
+  /**
+   * Switch from the rear camera and front camera, if available.
+   */
+  @Cordova({
+    sync: true
+  })
+  static switchCamera(): void {};
+
+  /**
+   * Show the camera preview box.
+   */
+  @Cordova({
+    sync: true
+  })
+  static show(): void {};
+
+  /**
+   * Hide the camera preview box.
+   */
+  @Cordova({
+    sync: true
+  })
+  static hide(): void {};
+
+  /**
+   * Set the default mode for the Flash.
+   */
+  @Cordova({
+    sync: true
+  })
+  static setFlashMode(mode: number): void {};
+
+  /**
+   * Set camera color effect.
+   */
+  @Cordova({
+    sync: true
+  })
+  static setColorEffect(effect: string): void {};
+
+  /**
+   * @private
+   * @enum {number}
+   */
+  static FlashMode = {
+    OFF: 0,
+    ON: 1,
+    AUTO: 2
+  };
+
+}