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package de.danoeh.antennapod.fragment;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.ClipData;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.Toast;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.activity.MediaplayerInfoActivity;
import de.danoeh.antennapod.core.preferences.UserPreferences;
import de.danoeh.antennapod.core.util.Converter;
import de.danoeh.antennapod.core.util.IntentUtils;
import de.danoeh.antennapod.core.util.NetworkUtils;
import de.danoeh.antennapod.core.util.ShareUtils;
import de.danoeh.antennapod.core.util.playback.PlaybackController;
import de.danoeh.antennapod.core.util.playback.Timeline;
import io.reactivex.Observable;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
/**
* Displays the description of a Playable object in a Webview.
*/
public class ItemDescriptionFragment extends Fragment {
private static final String TAG = "ItemDescriptionFragment";
private static final String PREF = "ItemDescriptionFragmentPrefs";
private static final String PREF_SCROLL_Y = "prefScrollY";
private static final String PREF_PLAYABLE_ID = "prefPlayableId";
private WebView webvDescription;
private Disposable webViewLoader;
private PlaybackController controller;
/**
* URL that was selected via long-press.
*/
private String selectedURL;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
Log.d(TAG, "Creating view");
webvDescription = new WebView(getActivity().getApplicationContext());
webvDescription.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
TypedArray ta = getActivity().getTheme().obtainStyledAttributes(new int[]
{android.R.attr.colorBackground});
boolean black = UserPreferences.getTheme() == R.style.Theme_AntennaPod_Dark
|| UserPreferences.getTheme() == R.style.Theme_AntennaPod_TrueBlack;
int backgroundColor = ta.getColor(0, black ? Color.BLACK : Color.WHITE);
ta.recycle();
webvDescription.setBackgroundColor(backgroundColor);
if (!NetworkUtils.networkAvailable()) {
webvDescription.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
// Use cached resources, even if they have expired
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
webvDescription.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
}
webvDescription.getSettings().setUseWideViewPort(false);
webvDescription.getSettings().setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
webvDescription.getSettings().setLoadWithOverviewMode(true);
webvDescription.setOnLongClickListener(webViewLongClickListener);
webvDescription.setWebViewClient(new WebViewClient() {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
if (Timeline.isTimecodeLink(url)) {
onTimecodeLinkSelected(url);
} else {
IntentUtils.openInBrowser(getContext(), url);
}
return true;
}
@Override
public void onPageFinished(WebView view, String url) {
super.onPageFinished(view, url);
Log.d(TAG, "Page finished");
// Restoring the scroll position might not always work
view.postDelayed(ItemDescriptionFragment.this::restoreFromPreference, 50);
}
});
registerForContextMenu(webvDescription);
return webvDescription;
}
@Override
public void onDestroy() {
super.onDestroy();
Log.d(TAG, "Fragment destroyed");
if (webViewLoader != null) {
webViewLoader.dispose();
}
if (webvDescription != null) {
webvDescription.removeAllViews();
webvDescription.destroy();
}
}
private final View.OnLongClickListener webViewLongClickListener = new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
WebView.HitTestResult r = webvDescription.getHitTestResult();
if (r != null
&& r.getType() == WebView.HitTestResult.SRC_ANCHOR_TYPE) {
Log.d(TAG, "Link of webview was long-pressed. Extra: " + r.getExtra());
selectedURL = r.getExtra();
webvDescription.showContextMenu();
return true;
}
selectedURL = null;
return false;
}
};
@SuppressWarnings("deprecation")
@SuppressLint("NewApi")
@Override
public boolean onContextItemSelected(MenuItem item) {
boolean handled = selectedURL != null;
if (selectedURL != null) {
switch (item.getItemId()) {
case R.id.open_in_browser_item:
IntentUtils.openInBrowser(getContext(), selectedURL);
break;
case R.id.share_url_item:
ShareUtils.shareLink(getActivity(), selectedURL);
break;
case R.id.copy_url_item:
ClipData clipData = ClipData.newPlainText(selectedURL,
selectedURL);
android.content.ClipboardManager cm = (android.content.ClipboardManager) getActivity()
.getSystemService(Context.CLIPBOARD_SERVICE);
cm.setPrimaryClip(clipData);
Toast t = Toast.makeText(getActivity(),
R.string.copied_url_msg, Toast.LENGTH_SHORT);
t.show();
break;
case R.id.go_to_position_item:
if (Timeline.isTimecodeLink(selectedURL)) {
onTimecodeLinkSelected(selectedURL);
} else {
Log.e(TAG, "Selected go_to_position_item, but URL was no timecode link: " + selectedURL);
}
break;
default:
handled = false;
break;
}
selectedURL = null;
}
return handled;
}
@Override
public void onCreateContextMenu(ContextMenu menu, View v,
ContextMenuInfo menuInfo) {
if (selectedURL != null) {
super.onCreateContextMenu(menu, v, menuInfo);
if (Timeline.isTimecodeLink(selectedURL)) {
menu.add(Menu.NONE, R.id.go_to_position_item, Menu.NONE,
R.string.go_to_position_label);
menu.setHeaderTitle(Converter.getDurationStringLong(Timeline.getTimecodeLinkTime(selectedURL)));
} else {
Uri uri = Uri.parse(selectedURL);
final Intent intent = new Intent(Intent.ACTION_VIEW, uri);
if(IntentUtils.isCallable(getActivity(), intent)) {
menu.add(Menu.NONE, R.id.open_in_browser_item, Menu.NONE,
R.string.open_in_browser_label);
}
menu.add(Menu.NONE, R.id.copy_url_item, Menu.NONE,
R.string.copy_url_label);
menu.add(Menu.NONE, R.id.share_url_item, Menu.NONE,
R.string.share_url_label);
menu.setHeaderTitle(selectedURL);
}
}
}
private void load() {
Log.d(TAG, "load()");
if(webViewLoader != null) {
webViewLoader.dispose();
}
webViewLoader = Observable.fromCallable(this::loadData)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(data -> {
webvDescription.loadDataWithBaseURL("https://127.0.0.1", data, "text/html",
"utf-8", "about:blank");
Log.d(TAG, "Webview loaded");
}, error -> Log.e(TAG, Log.getStackTraceString(error)));
}
@NonNull
private String loadData() {
Timeline timeline = new Timeline(getActivity(), controller.getMedia());
return timeline.processShownotes(true);
}
@Override
public void onPause() {
super.onPause();
savePreference();
}
private void savePreference() {
Log.d(TAG, "Saving preferences");
SharedPreferences prefs = getActivity().getSharedPreferences(PREF,
Activity.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
if (controller != null && controller.getMedia() != null && webvDescription != null) {
Log.d(TAG, "Saving scroll position: " + webvDescription.getScrollY());
editor.putInt(PREF_SCROLL_Y, webvDescription.getScrollY());
editor.putString(PREF_PLAYABLE_ID, controller.getMedia().getIdentifier()
.toString());
} else {
Log.d(TAG, "savePreferences was called while media or webview was null");
editor.putInt(PREF_SCROLL_Y, -1);
editor.putString(PREF_PLAYABLE_ID, "");
}
editor.commit();
}
private boolean restoreFromPreference() {
Log.d(TAG, "Restoring from preferences");
Activity activity = getActivity();
if (activity != null) {
SharedPreferences prefs = activity.getSharedPreferences(
PREF, Activity.MODE_PRIVATE);
String id = prefs.getString(PREF_PLAYABLE_ID, "");
int scrollY = prefs.getInt(PREF_SCROLL_Y, -1);
if (controller != null && scrollY != -1 && controller.getMedia() != null
&& id.equals(controller.getMedia().getIdentifier().toString())
&& webvDescription != null) {
Log.d(TAG, "Restored scroll Position: " + scrollY);
webvDescription.scrollTo(webvDescription.getScrollX(),
scrollY);
return true;
}
}
return false;
}
private void onTimecodeLinkSelected(String link) {
int time = Timeline.getTimecodeLinkTime(link);
if (getActivity() != null && getActivity() instanceof MediaplayerInfoActivity) {
PlaybackController pc = ((MediaplayerInfoActivity) getActivity()).getPlaybackController();
if (pc != null) {
pc.seekTo(time);
}
}
}
@Override
public void onStart() {
super.onStart();
controller = new PlaybackController(getActivity(), false) {
@Override
public boolean loadMediaInfo() {
if (getMedia() == null) {
return false;
}
load();
return true;
}
};
controller.init();
load();
}
@Override
public void onStop() {
super.onStop();
controller.release();
controller = null;
}
}
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