fr.mixit.android.ui.HomeActivity.java Source code

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Here is the source code for fr.mixit.android.ui.HomeActivity.java

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/*
 * Copyright 2011 - 2013 Mathieu Calba
 *
 * 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 fr.mixit.android.ui;

import android.content.Intent;
import android.os.Bundle;
import android.os.Message;
import android.os.RemoteException;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.view.ViewPager;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.LinearLayout;
import android.widget.ProgressBar;
import android.widget.TextView;

import com.actionbarsherlock.app.ActionBar;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;

import de.keyboardsurfer.android.widget.crouton.Crouton;
import fr.mixit.android.services.MixItService;
import fr.mixit.android.ui.adapters.ActionBarTabsAdapter;
import fr.mixit.android.ui.fragments.AboutFragment;
import fr.mixit.android.ui.fragments.BoundServiceFragment;
import fr.mixit.android.ui.fragments.ExploreFragment;
import fr.mixit.android.ui.fragments.MyPlanningFragment;
import fr.mixit.android.utils.PrefUtils;
import fr.mixit.android.utils.UIUtils;
import fr.mixit.android_2012.R;

public class HomeActivity extends GenericMixItActivity implements BoundServiceFragment.BoundServiceContract {

    protected static final String TAB_MY_PLANNING = "TAB_MY_PLANNING";
    protected static final String TAB_EXPLORE = "TAB_EXPLORE";

    protected static final String STATE_CURRENT_TAB = "fr.mixit.android.STATE_CURRENT_TAB";

    protected ViewPager mViewPager;
    protected LinearLayout mTabletContent;
    protected ProgressBar mProgressBar;
    protected TextView mInstruction;
    protected TextView mError;
    protected ActionBarTabsAdapter mTabsAdapter;
    protected boolean mIsFirstInitDone = false;

    @Override
    protected void onCreate(Bundle savedStateInstance) {
        super.onCreate(savedStateInstance);

        mViewPager = (ViewPager) findViewById(R.id.pager);
        mTabletContent = (LinearLayout) findViewById(R.id.content);
        mProgressBar = (ProgressBar) findViewById(R.id.list_progress);
        mInstruction = (TextView) findViewById(R.id.instruction);
        mError = (TextView) findViewById(R.id.error);
        mError.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                init();
                showProgress();
            }
        });

        final long lastSync = PrefUtils.getLastRemoteSync(this);
        mIsFirstInitDone = lastSync != 0L;
        if (!mIsFirstInitDone) {
            showProgress();
        } else {
            showContent(true);

            if (mViewPager != null) {
                final ActionBar bar = getSupportActionBar();
                if (savedStateInstance != null) {
                    bar.setSelectedNavigationItem(savedStateInstance.getInt(STATE_CURRENT_TAB, 0));
                }
            }
        }
    }

    @Override
    protected void initActionBar() {
        super.initActionBar();

        final ActionBar bar = getSupportActionBar();
        bar.setIcon(R.drawable.ic_action_bar_bis);
        bar.setDisplayShowTitleEnabled(false);
    }

    @Override
    protected int getContentLayoutId() {
        return R.layout.activity_home;
    }

    protected void showProgress() {
        if (mViewPager != null) {
            mViewPager.setVisibility(View.GONE);
        }
        if (mTabletContent != null) {
            mTabletContent.setVisibility(View.GONE);
        }
        mProgressBar.setVisibility(View.VISIBLE);
        mInstruction.setVisibility(View.VISIBLE);
        mError.setVisibility(View.GONE);
    }

    protected void showContent() {
        showContent(false);
    }

    protected void showContent(boolean forceInitTab) {
        mIsFirstInitDone = true;
        mProgressBar.setVisibility(View.GONE);
        mInstruction.setVisibility(View.GONE);
        mError.setVisibility(View.GONE);
        if (mViewPager != null && (mViewPager.getVisibility() != View.VISIBLE || forceInitTab)) {
            mViewPager.setVisibility(View.VISIBLE);
            initTabs();
        } else if (mTabletContent != null && (mTabletContent.getVisibility() != View.VISIBLE || forceInitTab)) {
            mTabletContent.setVisibility(View.VISIBLE);
            initFragments();
        }
    }

    protected void showError() {
        if (mViewPager != null) {
            mViewPager.setVisibility(View.GONE);
        }
        if (mTabletContent != null) {
            mTabletContent.setVisibility(View.GONE);
        }
        mProgressBar.setVisibility(View.GONE);
        mInstruction.setVisibility(View.GONE);
        mError.setVisibility(View.VISIBLE);
    }

    protected void initTabs() {
        final ActionBar bar = getSupportActionBar();
        bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);

        mTabsAdapter = new ActionBarTabsAdapter(this, mViewPager);

        mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.my_planning_tab)), MyPlanningFragment.class,
                null);
        mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.explore_tab)), ExploreFragment.class, null);
    }

    protected void initFragments() {
        final FragmentManager fm = getSupportFragmentManager();
        Fragment mMyPlanningFrag = fm.findFragmentByTag(MyPlanningFragment.TAG);
        if (mMyPlanningFrag == null) {
            mMyPlanningFrag = MyPlanningFragment.newInstance(getIntent());
            fm.beginTransaction().add(R.id.content_my_planning, mMyPlanningFrag, MyPlanningFragment.TAG).commit();
        }

        Fragment mExploreFrag = fm.findFragmentByTag(ExploreFragment.TAG);
        if (mExploreFrag == null) {
            mExploreFrag = ExploreFragment.newInstance(getIntent());
            fm.beginTransaction().add(R.id.content_explore, mExploreFrag, ExploreFragment.TAG).commit();
        }
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);

        outState.putInt(STATE_CURRENT_TAB, getSupportActionBar().getSelectedNavigationIndex());
    }

    @Override
    protected void onServiceReady() {
        super.onServiceReady();

        init();
    }

    protected void init() {
        if (mIsBound && mIsServiceReady) {
            final Message msg = Message.obtain(null, MixItService.MSG_INIT, 0, 0);
            msg.replyTo = mMessenger;
            final Bundle b = new Bundle();
            msg.setData(b);
            try {
                mService.send(msg);
                setRefreshMode(true);
                if (!mIsFirstInitDone) {
                    showProgress();
                }

            } catch (final RemoteException e) {
                e.printStackTrace();
            }
        }
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getSupportMenuInflater().inflate(R.menu.home, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        final int itemId = item.getItemId();
        if (itemId == R.id.menu_item_about) {
            if (UIUtils.isTablet(this)) {
                final FragmentManager fm = getSupportFragmentManager();
                AboutFragment aboutFrag = (AboutFragment) fm.findFragmentByTag(AboutFragment.TAG);
                if (aboutFrag == null) {
                    aboutFrag = AboutFragment.newInstance(getIntent());
                }
                aboutFrag.show(fm, AboutFragment.TAG);
            } else {
                startActivity(new Intent(this, AboutActivity.class));
            }
            return true;
        } else {
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void onMessageReceivedFromService(android.os.Message msg) {
        if (msg.what == MixItService.MSG_INIT) {
            switch (msg.arg1) {
            case MixItService.Response.STATUS_OK:
                showContent();
                break;

            case MixItService.Response.STATUS_ERROR:
                if (!mIsFirstInitDone) {
                    showError();
                }
                break;

            case MixItService.Response.STATUS_NO_CONNECTIVITY:
                if (!mIsFirstInitDone) {
                    showError();
                }
                break;

            default:
                break;
            }

            setRefreshMode(false);
        }
    }

    @Override
    protected int getActivityLevel() {
        return 0;
    }

    @Override
    protected void onDestroy() {
        // Workaround until there's a way to detach the Activity from Crouton while there are still some in the Queue.
        Crouton.clearCroutonsForActivity(this);
        super.onDestroy();
    }

}