/* * Copyright (c) 2015 PocketHub * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.github.pockethub.android.ui; import android.app.Activity; import android.os.Bundle; import android.os.Parcelable; import android.support.annotation.StringRes; import com.afollestad.materialdialogs.MaterialDialog; import com.github.pockethub.android.ui.roboactivities.RoboSupportFragment; /** * Base fragment capable of receiving dialog callbacks */ public abstract class DialogFragment extends RoboSupportFragment implements DialogResultListener { private MaterialDialog progressDialog; /** * Is this fragment usable from the UI-thread * * @return true if usable, false otherwise */ protected boolean isUsable() { return getActivity() != null; } @Override public void onDialogResult(int requestCode, int resultCode, Bundle arguments) { // Intentionally left blank } /** * Get serializable extra from activity's intent * * @param name * @return extra */ @SuppressWarnings("unchecked") protected <V extends Parcelable> V getParcelableExtra(final String name) { Activity activity = getActivity(); if (activity != null) { return (V) activity.getIntent().getParcelableExtra(name); } else { return null; } } /** * Get string extra from activity's intent * * @param name * @return extra */ protected String getStringExtra(final String name) { Activity activity = getActivity(); if (activity != null) { return activity.getIntent().getStringExtra(name); } else { return null; } } /** * Dismiss and clear progress dialog field */ protected void dismissProgress() { if (progressDialog != null) { progressDialog.dismiss(); progressDialog = null; } } /** * Show indeterminate progress dialog with given message * * @param message */ protected void showProgressIndeterminate(final CharSequence message) { dismissProgress(); progressDialog = new MaterialDialog.Builder(getActivity()) .content(message) .progress(true, 0) .build(); progressDialog.show(); } /** * Show indeterminate progress dialog with given message * * @param resId */ protected void showProgressIndeterminate(@StringRes final int resId) { showProgressIndeterminate(getString(resId)); } }