com.github.jksiezni.permissive.fragments.RationaleFragment.java Source code

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Here is the source code for com.github.jksiezni.permissive.fragments.RationaleFragment.java

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/*
 *    Copyright 2016 Jakub Ksiniak
 *
 *    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.jksiezni.permissive.fragments;

import android.app.Activity;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.util.Log;

import com.github.jksiezni.permissive.PermissionsResultListener;
import com.github.jksiezni.permissive.PermissiveMessenger;
import com.github.jksiezni.permissive.Rationale;

/**
 *
 */
public class RationaleFragment extends Fragment implements Rationale, PermissionsResultListener {

    private String[] allowablePermissions;
    private PermissiveMessenger permissiveMessenger;

    private boolean doFinish;

    public String[] getPermissions() {
        return allowablePermissions;
    }

    public boolean isAnyAllowablePermission() {
        return allowablePermissions.length > 0;
    }

    public PermissiveMessenger getPermissiveMessenger() {
        return permissiveMessenger;
    }

    @Override
    public void onShowRationale(Activity activity, String[] allowablePermissions, PermissiveMessenger messenger) {
        this.allowablePermissions = allowablePermissions;
        this.permissiveMessenger = messenger;

        if (isAdded()) {
            return;
        }
        if (activity instanceof FragmentActivity) {
            FragmentActivity fa = (FragmentActivity) activity;
            fa.getSupportFragmentManager().beginTransaction().add(android.R.id.content, this, null).commit();
        } else {
            throw new ClassCastException("This fragment (" + this
                    + ") requires an instance of FragmentActivity to work, but was: " + activity);
        }
    }

    @Override
    public void onPermissionsResult(String[] grantedPermissions, String[] refusedPermissions)
            throws SecurityException {
        Log.i(getClass().getSimpleName(), "onPermissionsResult(): this=" + this);
        finishFragment();
    }

    public void finishFragment() {
        if (!isResumed()) {
            Log.e(getClass().getSimpleName(), "onPermissionsResult(): failed to exit. this=" + this);
            doFinish = true;
            return;
        }
        getFragmentManager().beginTransaction().remove(this).commit();
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i(getClass().getSimpleName(),
                "onCreate(): this=" + this + ", savedInstanceState=" + savedInstanceState);

        if (savedInstanceState != null) {
            allowablePermissions = savedInstanceState.getStringArray("permissions");
            permissiveMessenger = savedInstanceState.getParcelable("messenger");
        }
        if (!permissiveMessenger.updatePermissionsResultListener(this)) {
            permissiveMessenger.rebuildRequest().withRationale(this).whenPermissionsResultReceived(this)
                    .execute(getActivity());
        }
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        permissiveMessenger.restoreActivity(getActivity());
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        Log.i(getClass().getSimpleName(), "onSaveInstanceState(): this=" + this);
        super.onSaveInstanceState(outState);
        outState.putStringArray("permissions", allowablePermissions);
        outState.putParcelable("messenger", permissiveMessenger);
    }

    @Override
    public void onResume() {
        super.onResume();
        Log.i(getClass().getSimpleName(), "onResume(): this=" + this);
        if (doFinish) {
            finishFragment();
        }
    }

}