/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * 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.example.android.uamp.ui;

import android.app.FragmentTransaction;
import android.content.Intent;
import android.media.browse.MediaBrowser;
import android.os.Bundle;
import android.provider.MediaStore;
import android.text.TextUtils;

import com.example.android.uamp.R;
import com.example.android.uamp.utils.LogHelper;

/**
 * Main activity for the music player.
 * This class hold the MediaBrowser and the MediaController instances. It will create a MediaBrowser
 * when it is created and connect/disconnect on start/stop. Thus, a MediaBrowser will be always
 * connected while this activity is running.
 */
public class MusicPlayerActivity extends BaseActivity
        implements MediaBrowserFragment.MediaFragmentListener {

    private static final String TAG = LogHelper.makeLogTag(MusicPlayerActivity.class);
    private static final String SAVED_MEDIA_ID="com.example.android.uamp.MEDIA_ID";

    public static final String EXTRA_PLAY_QUERY="com.example.android.uamp.PLAY_QUERY";
    public static final String EXTRA_START_FULLSCREEN =
            "com.example.android.uamp.EXTRA_START_FULLSCREEN";

    private String mSearchQuery;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        LogHelper.d(TAG, "Activity onCreate");

        setContentView(R.layout.activity_player);

        initializeToolbar();
        initializeFromParams(savedInstanceState);
        startFullScreenActivityIfNeeded(getIntent());
    }

    @Override
    protected void onSaveInstanceState(Bundle outState) {
        String mediaId = getMediaId();
        if (mediaId != null) {
            outState.putString(SAVED_MEDIA_ID, mediaId);
        }
        super.onSaveInstanceState(outState);
    }

    @Override
    public void onMediaItemSelected(MediaBrowser.MediaItem item) {
        LogHelper.d(TAG, "onMediaItemSelected, mediaId=" + item.getMediaId());
        if (item.isPlayable()) {
            getMediaController().getTransportControls().playFromMediaId(item.getMediaId(), null);
        } else if (item.isBrowsable()) {
            navigateToBrowser(item.getMediaId());
        } else {
            LogHelper.w(TAG, "Ignoring MediaItem that is neither browsable nor playable: ",
                    "mediaId=", item.getMediaId());
        }
    }

    @Override
    public void setToolbarTitle(CharSequence title) {
        LogHelper.d(TAG, "Setting toolbar title to ", title);
        if (title == null) {
            title = getString(R.string.app_name);
        }
        setTitle(title);
    }

    @Override
    protected void onNewIntent(Intent intent) {
        startFullScreenActivityIfNeeded(intent);
    }

    private void startFullScreenActivityIfNeeded(Intent intent) {
        if (intent != null && intent.getBooleanExtra(EXTRA_START_FULLSCREEN, false)) {
            Intent fullScreenIntent = new Intent(this, FullScreenPlayerActivity.class);
            fullScreenIntent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
            startActivity(fullScreenIntent);
        }
    }

    protected void initializeFromParams(Bundle savedInstanceState) {
        String mediaId = null;
        // check if we were started from a "Play XYZ" voice search
        Intent intent = this.getIntent();
        if (intent.getAction() != null
            && intent.getAction().equals(MediaStore.INTENT_ACTION_MEDIA_PLAY_FROM_SEARCH)
            && intent.hasExtra(EXTRA_PLAY_QUERY)) {
            LogHelper.d(TAG, "Starting from play query=", mSearchQuery);
            mSearchQuery = intent.getStringExtra(EXTRA_PLAY_QUERY);
        } else {
            if (savedInstanceState != null) {
                // If there is a saved media ID, use it
                mediaId = savedInstanceState.getString(SAVED_MEDIA_ID);
            }
        }
        navigateToBrowser(mediaId);
    }

    private void navigateToBrowser(String mediaId) {
        LogHelper.d(TAG, "navigateToBrowser, mediaId=" + mediaId);
        MediaBrowserFragment fragment = getBrowseFragment();

        if (fragment == null || !TextUtils.equals(fragment.getMediaId(), mediaId)) {
            fragment = new MediaBrowserFragment();
            fragment.setMediaId(mediaId);
            FragmentTransaction transaction = getFragmentManager().beginTransaction();
            transaction.setCustomAnimations(
                R.animator.slide_in_from_right, R.animator.slide_out_to_left,
                R.animator.slide_in_from_left, R.animator.slide_out_to_right);
            transaction.replace(R.id.container, fragment);
            // If this is not the top level media (root), we add it to the fragment back stack,
            // so that actionbar toggle and Back will work appropriately:
            if (mediaId != null) {
                transaction.addToBackStack(null);
            }
            transaction.commit();
        }
    }

    public String getMediaId() {
        MediaBrowserFragment fragment = getBrowseFragment();
        if (fragment == null) {
            return null;
        }
        return fragment.getMediaId();
    }

    private MediaBrowserFragment getBrowseFragment() {
        return (MediaBrowserFragment) getFragmentManager().findFragmentById(R.id.container);
    }

    @Override
    protected void onMediaControllerConnected() {
        if (mSearchQuery != null) {
            // If there is a bootstrap parameter to start from a search query, we
            // send it to the media session and set it to null, so it won't play again
            // when the activity is stopped/started or recreated:
            getMediaController().getTransportControls().playFromSearch(mSearchQuery, null);
            mSearchQuery = null;
        }
        getBrowseFragment().onConnected();
    }
}

@@ -2046,32 +2046,154 @@
 InstanceState);%0A
+%0A        // Only check if a full screen player is needed on the first time:%0A        if (savedInstanceState == null) %7B%0A    
         startFul
@@ -2226,24 +2226,34 @@
 tIntent());%0A
+        %7D%0A
     %7D%0A%0A    @

Fix full screen activity from showing up on rotation