// -*- mode: java; c-basic-offset: 2; -*-
// Copyright 2009-2011 Google, All Rights reserved
// Copyright 2011-2012 MIT, All rights reserved
// Released under the Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0
package com.google.appinventor.components.runtime;
import com.google.appinventor.components.annotations.DesignerComponent;
import com.google.appinventor.components.annotations.SimpleEvent;
import com.google.appinventor.components.annotations.SimpleFunction;
import com.google.appinventor.components.annotations.SimpleObject;
import com.google.appinventor.components.annotations.UsesPermissions;
import com.google.appinventor.components.common.ComponentCategory;
import com.google.appinventor.components.common.YaVersion;
import com.google.appinventor.components.runtime.util.ErrorMessages;
import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import java.io.File;
import java.util.Date;
/**
* Camcorder provides access to the phone's camcorder
*/
@DesignerComponent(version = YaVersion.CAMCORDER_COMPONENT_VERSION,
description = "A component to record a video using the device's camcorder." +
"After the video is recorded, the name of the file on the phone " +
"containing the clip is available as an argument to the " +
"AfterRecording event. The file name can be used, for example, to set " +
"the source property of a VideoPlayer component.",
category = ComponentCategory.MEDIA,
nonVisible = true,
iconName = "images/camcorder.png")
@SimpleObject
@UsesPermissions(permissionNames = "android.permission.WRITE_EXTERNAL_STORAGE, android.permission.READ_EXTERNAL_STORAGE")
public class Camcorder extends AndroidNonvisibleComponent
implements ActivityResultListener, Component {
private static final String CAMCORDER_INTENT = "android.media.action.VIDEO_CAPTURE";
private final ComponentContainer container;
/* Used to identify the call to startActivityForResult. Will be passed back
into the resultReturned() callback method. */
private int requestCode;
/**
* Creates a Camcorder component.
*
* @param container container, component will be placed in
*/
public Camcorder(ComponentContainer container) {
super(container.$form());
this.container = container;
}
/**
* Records a video, then raises the AfterRecoding event.
*/
@SimpleFunction
public void RecordVideo() {
String state = Environment.getExternalStorageState();
if (Environment.MEDIA_MOUNTED.equals(state)) {
Log.i("CamcorderComponent", "External storage is available and writable");
if (requestCode == 0) {
requestCode = form.registerForActivityResult(this);
}
Intent intent = new Intent(CAMCORDER_INTENT);
container.$context().startActivityForResult(intent, requestCode);
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state)) {
form.dispatchErrorOccurredEvent(this, "RecordVideo",
ErrorMessages.ERROR_MEDIA_EXTERNAL_STORAGE_READONLY);
} else {
form.dispatchErrorOccurredEvent(this, "RecordVideo",
ErrorMessages.ERROR_MEDIA_EXTERNAL_STORAGE_NOT_AVAILABLE);
}
}
@Override
public void resultReturned(int requestCode, int resultCode, Intent data) {
Log.i("CamcorderComponent",
"Returning result. Request code = " + requestCode + ", result code = " + resultCode);
if (requestCode == this.requestCode && resultCode == Activity.RESULT_OK) {
if (data != null && data.getData() != null) {
Uri tryClipUri = data.getData();
Log.i("CamcorderComponent", "Calling Camcorder.AfterPicture with clip path "
+ tryClipUri.toString());
AfterRecording(tryClipUri.toString());
} else {
Log.i("CamcorderComponent", "Couldn't find a clip file from the Camcorder result");
form.dispatchErrorOccurredEvent(this, "TakeVideo",
ErrorMessages.ERROR_CAMCORDER_NO_CLIP_RETURNED);
}
} else {
Log.i("CamcorderComponent", "No clip filed rerturn; request failed");
form.dispatchErrorOccurredEvent(this, "TakeVideo",
ErrorMessages.ERROR_CAMCORDER_NO_CLIP_RETURNED);
}
}
private void deleteFile(Uri fileUri) {
File fileToDelete = new File(fileUri.getPath());
try {
if (fileToDelete.delete()) {
Log.i("CamcorderComponent", "Deleted file " + fileUri.toString());
} else {
Log.i("CamcorderComponent", "Could not delete file " + fileUri.toString());
}
} catch (SecurityException e) {
Log.i("CamcorderComponent", "Got security exception trying to delete file "
+ fileUri.toString());
}
}
/**
* Indicates that a video was recorded with the camera and provides the path to
* the stored picture.
*/
@SimpleEvent
public void AfterRecording(String clip) {
EventDispatcher.dispatchEvent(this, "AfterRecording", clip);
}
}