com.github.jobs.ui.dialog.ServiceChooserDialog Maven / Gradle / Ivy
package com.github.jobs.ui.dialog;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.widget.*;
import com.codeslap.groundy.DetachableResultReceiver;
import com.codeslap.groundy.Groundy;
import com.github.jobs.R;
import com.github.jobs.adapter.ServicesAdapter;
import com.github.jobs.bean.AboutMeService;
import com.github.jobs.bean.AboutMeUser;
import com.github.jobs.bean.TemplateService;
import com.github.jobs.resolver.AboutMeResolver;
import com.github.jobs.templates.fetcher.AboutMeFetcher;
import com.github.jobs.utils.AppUtils;
import java.util.List;
import static com.github.jobs.templates.TemplatesHelper.*;
import static com.github.jobs.templates.fetcher.AboutMeFetcher.AboutMeServicesCallback;
/**
* @author cristian
* @version 1.0
*/
public class ServiceChooserDialog extends TrackDialog implements AdapterView.OnItemClickListener, View.OnClickListener,
DetachableResultReceiver.Receiver {
public static final String RESULT_SERVICE_ID = "com.github.jobs.result.service_id";
public static final String RESULT_SERVICE_TYPE = "com.github.jobs.result.service_type";
public static final String RESULT_SERVICE_DATA = "com.github.jobs.result.service_data";
public static final String RESULT_SERVICES = "com.github.jobs.result.services";
public static final int REQUEST_CODE = 623;
private static final int SERVICE_CHOOSER = 0;
private static final int SERVICE_DATA_RETRIEVAL = 1;
private static final int SERVICE_LOADING = 2;
private static final int SERVICE_CONFIRMATION = 3;
private ViewFlipper mServicesFlipper;
private ImageView mServiceImage;
private EditText mServiceData;
private EditText mServiceType;
private Button mFetchServiceInfo;
private FrameLayout mConfirmationContainer;
/**
* State held between configuration changes.
*/
private State mState;
private DetachableResultReceiver mDetachableReceiver = new DetachableResultReceiver(new Handler());
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.service_chooser_dialog);
// initialize widgets references
mServicesFlipper = (ViewFlipper) findViewById(R.id.flipper_choose_service);
mServiceImage = (ImageView) findViewById(R.id.img_current_service);
mServiceData = (EditText) findViewById(R.id.edit_service_data);
mServiceType = (EditText) findViewById(R.id.edit_service_type);
mFetchServiceInfo = (Button) findViewById(R.id.btn_fetch_service_info);
mConfirmationContainer = (FrameLayout) findViewById(R.id.service_confirmation_container);
GridView grid = (GridView) findViewById(R.id.grid_services);
// restore last state if any
mState = (State) getLastNonConfigurationInstance();
final boolean previousState = mState != null;
if (previousState) {
mState.receiver.setReceiver(this);
} else {
mState = new State();
mState.receiver.setReceiver(this);
}
switch (mState.currentViewSwitcherView) {
case SERVICE_DATA_RETRIEVAL:
// update the views to show the service data retrieval form
showServiceDataRetrieval();
break;
case SERVICE_CONFIRMATION:
// let's try to recreate the confirmation view
setupConfirmationView();
break;
default:
mServicesFlipper.setDisplayedChild(mState.currentViewSwitcherView);
}
// prepare the services grid
ServicesAdapter adapter = new ServicesAdapter(this);
adapter.updateItems(getServices(this));
grid.setAdapter(adapter);
grid.setOnItemClickListener(this);
// setup click listeners
mFetchServiceInfo.setOnClickListener(this);
}
@Override
public Object onRetainNonConfigurationInstance() {
// Clear any strong references to this Activity, we'll reattach to handle events on the other side.
mState.receiver.clearReceiver();
mState.currentViewSwitcherView = mServicesFlipper.getDisplayedChild();
return mState;
}
@Override
public void onItemClick(AdapterView parent, View view, int position, long id) {
mState.lastService = (int) id;
// if it was stack overflow, finish this activity and pass info to the parent
// activity so that it can launch the pick stackoverflow user activity
if (mState.lastService == R.id.service_so) {
if (!AppUtils.isOnline(this)) {
Toast.makeText(this, R.string.you_must_have_network_connection, Toast.LENGTH_SHORT).show();
return;
}
setResultAndFinish();
return;
}
// update view so that we can retrieve info for the current service
showServiceDataRetrieval();
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.btn_fetch_service_info:
if (!isServiceDataValid()) {
return;
}
fetchServicePayload(mServiceData.getText().toString().trim());
break;
}
}
@Override
protected void onDestroy() {
super.onDestroy();
mDetachableReceiver.clearReceiver();
}
@Override
public void onBackPressed() {
if (mServicesFlipper.getDisplayedChild() == SERVICE_CONFIRMATION) {
mServicesFlipper.setDisplayedChild(SERVICE_DATA_RETRIEVAL);
} else if (mServicesFlipper.getDisplayedChild() == SERVICE_LOADING) {
// TODO stop groundy task
mDetachableReceiver.clearReceiver();
mServicesFlipper.setDisplayedChild(SERVICE_DATA_RETRIEVAL);
} else if (mServicesFlipper.getDisplayedChild() == SERVICE_DATA_RETRIEVAL) {
mServicesFlipper.setDisplayedChild(SERVICE_CHOOSER);
} else {
super.onBackPressed();
}
}
@Override
public void onReceiveResult(int resultCode, Bundle resultData) {
switch (resultCode) {
case Groundy.STATUS_FINISHED:
setupPayload(resultData);
break;
case Groundy.STATUS_ERROR:
mServicesFlipper.setDisplayedChild(SERVICE_DATA_RETRIEVAL);
Toast.makeText(ServiceChooserDialog.this, R.string.nothing_found, Toast.LENGTH_LONG).show();
break;
}
}
/**
* Configures data retrieval form using the current service
*/
private void showServiceDataRetrieval() {
mFetchServiceInfo.setText(getAddServiceButtonLabel(mState.lastService));
mServiceType.setVisibility(mState.lastService == R.id.service_custom ? View.VISIBLE : View.GONE);
mServiceData.setHint(getHint(mState.lastService));
mServiceImage.setImageResource(getServiceDrawable(mState.lastService));
mServicesFlipper.setDisplayedChild(SERVICE_DATA_RETRIEVAL);
}
/**
* Starts the current service payload fetching
*
* @param data used to retrieve service payload
*/
private void fetchServicePayload(String data) {
switch (mState.lastService) {
case R.id.service_custom:
mState.serviceType = mServiceType.getText().toString().trim();
mState.servicePayload = data;
setResultAndFinish();
return;
case R.id.service_github:
case R.id.service_skype:
case R.id.service_linked_in:
mState.serviceType = null;
mState.servicePayload = data;
setResultAndFinish();
return;
case R.id.service_about_me:
Bundle extras = new Bundle();
extras.putString(AboutMeResolver.PARAM_USERNAME, data);
Groundy.execute(this, AboutMeResolver.class, mState.receiver, extras);
AppUtils.hideKeyboard(this, mServiceData.getWindowToken());
mServicesFlipper.setDisplayedChild(SERVICE_LOADING);
break;
}
}
/**
* Setups state's payload for the current service
*
* @param resultData data returned by the service fetcher resolver
*/
private void setupPayload(Bundle resultData) {
switch (mState.lastService) {
case R.id.service_about_me:
mState.servicePayload = resultData.getParcelable(AboutMeResolver.RESULT_USER);
setupConfirmationView();
break;
}
}
/**
* Configures the confirmation view depending on the current service and its payload
*/
private void setupConfirmationView() {
switch (mState.lastService) {
case R.id.service_about_me:
if (mState.servicePayload instanceof AboutMeUser) {
AboutMeUser aboutMeUser = (AboutMeUser) mState.servicePayload;
AboutMeFetcher.setupConfirmationView(ServiceChooserDialog.this, mConfirmationContainer,
aboutMeUser, aboutMeCallback);
mServicesFlipper.setDisplayedChild(SERVICE_CONFIRMATION);
}
break;
}
}
/**
* Checks whether current service's data is correct
*
* @return true if data is correct
*/
private boolean isServiceDataValid() {
if (mState.lastService == R.id.service_custom && TextUtils.isEmpty(mServiceType.getText().toString().trim())) {
mServiceType.setError(getString(R.string.this_shall_not_be_empty));
mServiceType.requestFocus();
return false;
}
if (TextUtils.isEmpty(mServiceData.getText().toString().trim())) {
mServiceData.setError(getString(R.string.this_shall_not_be_empty));
mServiceData.requestFocus();
return false;
}
return true;
}
/**
* State specific to {@link ServiceChooserDialog} that is held between configuration
* changes. Any strong {@link android.app.Activity} references must be
* cleared before {@link #onRetainNonConfigurationInstance()}, and this
* class should remain {@code static class}.
*/
private static class State {
DetachableResultReceiver receiver;
int currentViewSwitcherView = SERVICE_CHOOSER;
int lastService;
// this object will change depending on the last service used
// it will contain the service payload information that is used
// later in the confirmation screen.
Object servicePayload;
String serviceType;
private State() {
receiver = new DetachableResultReceiver(new Handler());
}
}
/**
* Finishes the activity and puts the last service into the result
*/
private void setResultAndFinish() {
Intent data = new Intent();
data.putExtra(ServiceChooserDialog.RESULT_SERVICE_ID, mState.lastService);
data.putExtra(ServiceChooserDialog.RESULT_SERVICE_TYPE, String.valueOf(mState.serviceType));
data.putExtra(ServiceChooserDialog.RESULT_SERVICE_DATA, String.valueOf(mState.servicePayload));
setResult(RESULT_OK, data);
finish();
}
/**
* this will be called from within the about.me confirmation view to notify
* that user has selected a set of services to include to the cover letter template
*/
private final AboutMeServicesCallback aboutMeCallback = new AboutMeServicesCallback() {
@Override
public void onServicesSelected(List services) {
Intent data = new Intent();
TemplateService[] templateServices = new TemplateService[services.size()];
for (int i = 0, servicesSize = services.size(); i < servicesSize; i++) {
AboutMeService service = services.get(i);
TemplateService templateService = new TemplateService();
templateService.setType(service.getDisplayName());
templateService.setData(service.getServiceUrl());
templateServices[i] = templateService;
}
data.putExtra(ServiceChooserDialog.RESULT_SERVICES, templateServices);
setResult(RESULT_OK, data);
finish();
}
};
}
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