us.parshall.ezandroid.activity.EZActivity.java Source code

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Here is the source code for us.parshall.ezandroid.activity.EZActivity.java

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/*
 * The MIT License (MIT)
 * 
 * Copyright (c) 2013 Eric Parshall
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

package us.parshall.ezandroid.activity;

import java.util.Stack;

import us.parshall.ezandroid.actionbar.ActionBarHelper;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;

public abstract class EZActivity extends FragmentActivity {
    final ActionBarHelper mActionBarHelper = ActionBarHelper.createInstance(this);
    protected final Stack<Integer> promptDialogList = new Stack<Integer>();

    /**
     * Returns the {@link ActionBarHelper} for this activity.
     */
    protected ActionBarHelper getActionBarHelper() {
        return this.mActionBarHelper;
    }

    public abstract int getMenuResource();

    /** {@inheritDoc} */
    @Override
    public MenuInflater getMenuInflater() {
        return this.mActionBarHelper.getMenuInflater(super.getMenuInflater());
    }

    /** {@inheritDoc} */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        this.mActionBarHelper.onCreate(savedInstanceState);
    }

    /** {@inheritDoc} */
    @Override
    protected void onPostCreate(Bundle savedInstanceState) {
        super.onPostCreate(savedInstanceState);
        this.mActionBarHelper.onPostCreate(savedInstanceState);
    }

    @Override
    public boolean onPrepareOptionsMenu(Menu menu) {
        return this.mActionBarHelper.onPrepareOptionsMenu(menu);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        Log.v("ActionBarActivity", "onCreateOptionsMenu called");
        if (this.getMenuResource() > 0) {
            MenuInflater menuInflater = this.getMenuInflater();
            menuInflater.inflate(this.getMenuResource(), menu);
        }

        boolean retValue = false;
        retValue |= this.mActionBarHelper.onCreateOptionsMenu(menu);
        retValue |= super.onCreateOptionsMenu(menu);
        return retValue;
    }

    @Override
    public void invalidateOptionsMenu() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            super.invalidateOptionsMenu();
        } else {
            this.mActionBarHelper.invalidateOptionsMenu();
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        this.displayPendingDialogs();
    }

    @Override
    public void onRestart() {
        super.onRestart();
        this.displayPendingDialogs();

    }

    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        int[] tmpPromptDialogList = savedInstanceState.getIntArray("promptDialogList");
        if (tmpPromptDialogList != null) {
            Log.i("EZActivity", String.format("Number of pending dialogs %d", tmpPromptDialogList.length));
            for (int i : tmpPromptDialogList) {
                this.promptDialogList.push(i);
            }
        } else {
            Log.i("EZActivity", "tmpPromptDialogList is null");
        }
    }

    @Override
    public void onSaveInstanceState(Bundle savedInstanceState) {
        super.onSaveInstanceState(savedInstanceState);
        this.savePromptState();
        Log.i("EZActivity", String.format("promptDialogList size: %d", this.promptDialogList.size()));
        if (this.promptDialogList.size() > 0) {
            int[] tmpPromptDialogList = new int[this.promptDialogList.size()];
            for (int i = 0; i < this.promptDialogList.size(); i++) {
                tmpPromptDialogList[i] = this.promptDialogList.get(i);
            }
            savedInstanceState.putIntArray("promptDialogList", tmpPromptDialogList);
        }
    }

    @Override
    public void onStop() {
        AlertDialog[] alertDialogList = this.alertDialogList();
        if (alertDialogList != null) {
            for (AlertDialog dialog : this.alertDialogList()) {
                if (dialog != null) {
                    dialog.cancel();
                }
            }
        }
        super.onStop();
    }

    public void cancel(View view) {
        this.finish();
    }

    abstract protected void displayPendingDialogs();

    protected void savePromptState() {
        AlertDialog[] alertDialogList = this.alertDialogList();
        if (alertDialogList != null) {
            for (int i = 0; i < alertDialogList.length; i++) {
                AlertDialog dialog = alertDialogList[i];
                if (dialog != null && dialog.isShowing()) {
                    this.promptDialogList.push(i);
                }
            }
        }
    }

    abstract protected AlertDialog[] alertDialogList();

    protected OnClickListener cancelDialogListener() {
        return new DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.cancel();
            }

        };
    }

    protected AlertDialog.Builder buildMessageDialog(String title, String message) {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle(title);

        builder.setOnCancelListener(new DialogInterface.OnCancelListener() {

            @Override
            public void onCancel(DialogInterface dialog) {

            }
        });

        builder.setMessage(message);

        return builder;
    }
}