com.jefftharris.passwdsafe.AbstractFileListActivity.java Source code

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Here is the source code for com.jefftharris.passwdsafe.AbstractFileListActivity.java

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/*
 * Copyright () 2011-2013, 2015 Jeff Harris <jefftharris@gmail.com>
 * All rights reserved. Use of the code is allowed under the
 * Artistic License 2.0 terms, as specified in the LICENSE file
 * distributed with this code, or available from
 * http://www.opensource.org/licenses/artistic-license-2.0.php
 */
package com.jefftharris.passwdsafe;

import android.annotation.TargetApi;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.view.KeyEvent;

import com.jefftharris.passwdsafe.lib.ApiCompat;
import com.jefftharris.passwdsafe.lib.PasswdSafeUtil;
import com.jefftharris.passwdsafe.lib.view.GuiUtils;

public abstract class AbstractFileListActivity extends FragmentActivity implements FileListFragment.Listener,
        StorageFileListFragment.Listener, SyncProviderFragment.Listener, SyncProviderFilesFragment.Listener

{
    public static final String INTENT_EXTRA_CLOSE_ON_OPEN = "closeOnOpen";

    private static final String TAG = "AbstractFileListActivity";

    protected boolean itsIsCloseOnOpen = false;
    private Boolean itsIsStorageFrag = null;

    /* (non-Javadoc)
     * @see android.support.v4.app.FragmentActivity#onCreate(android.os.Bundle)
     */
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_file_list);

        Intent intent = getIntent();
        itsIsCloseOnOpen = intent.getBooleanExtra(INTENT_EXTRA_CLOSE_ON_OPEN, false);

        FragmentManager fragMgr = getSupportFragmentManager();
        FragmentTransaction txn = fragMgr.beginTransaction();
        txn.replace(R.id.sync, new SyncProviderFragment());
        txn.commit();

        if (savedInstanceState == null) {
            setFileChooseFrag();
        }
    }

    /* (non-Javadoc)
     * @see android.support.v4.app.FragmentActivity#onResume()
     */
    @Override
    protected void onResume() {
        super.onResume();
        setFileChooseFrag();
    }

    /* (non-Javadoc)
     * @see com.jefftharris.passwdsafe.SyncProviderFragment.Listener#showSyncProviderFiles(android.net.Uri)
     */
    @Override
    public void showSyncProviderFiles(Uri uri) {
        FragmentManager fragMgr = getSupportFragmentManager();
        Fragment syncFrag = fragMgr.findFragmentById(R.id.sync);

        SyncProviderFilesFragment syncFilesFrag = SyncProviderFilesFragment.newInstance(uri);

        FragmentTransaction txn = fragMgr.beginTransaction();
        txn.remove(syncFrag);
        txn.replace(R.id.files, syncFilesFrag);
        txn.addToBackStack(null);
        txn.commit();
    }

    /* (non-Javadoc)
     * @see android.support.v4.app.FragmentActivity#onKeyDown(int, android.view.KeyEvent)
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (GuiUtils.isBackKeyDown(keyCode, event)) {
            // Take care of calling this method on earlier versions of
            // the platform where it doesn't exist.
            if (doBackPressed()) {
                return true;
            }
        }
        return super.onKeyDown(keyCode, event);
    }

    /* (non-Javadoc)
     * @see android.app.Activity#onBackPressed()
     */
    @TargetApi(Build.VERSION_CODES.ECLAIR)
    @Override
    public void onBackPressed() {
        if (!doBackPressed()) {
            super.onBackPressed();
        }
    }

    /**
     * @return true if a directory was popped, false to use default behavior
     */
    private boolean doBackPressed() {
        FragmentManager mgr = getSupportFragmentManager();
        Fragment frag = mgr.findFragmentById(R.id.files);
        return (frag instanceof FileListFragment) && frag.isVisible() && ((FileListFragment) frag).doBackPressed();
    }

    /** Set the file chooser fragment */
    private void setFileChooseFrag() {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        boolean storageFrag = ((ApiCompat.SDK_VERSION >= ApiCompat.SDK_KITKAT)
                && !Preferences.getFileLegacyFileChooserPref(prefs));
        if ((itsIsStorageFrag == null) || (itsIsStorageFrag != storageFrag)) {
            PasswdSafeUtil.dbginfo(TAG, "setFileChooseFrag storage %b", storageFrag);
            Fragment frag;
            if (storageFrag) {
                frag = new StorageFileListFragment();
            } else {
                frag = new FileListFragment();
            }
            FragmentManager fragMgr = getSupportFragmentManager();
            FragmentTransaction txn = fragMgr.beginTransaction();
            txn.replace(R.id.files, frag);
            txn.commit();
            itsIsStorageFrag = storageFrag;
        }
    }
}