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Improvements for downloads fragment

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This commit is contained in:
inorichi 2015-12-06 12:27:05 +01:00
parent 49a38821f2
commit 4aee1ca8a3
5 changed files with 91 additions and 101 deletions
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10
app/src/main/java/eu/kanade/mangafeed/data/download/DownloadManager.java
View File

@ -84,7 +84,7 @@ public class DownloadManager {
if (finished) {
DownloadService.stop(context);
}
}, e -> Timber.e(e.fillInStackTrace(), e.getMessage()));
}, e -> Timber.e(e.getCause(), e.getMessage()));
isRunning = true;
}
@ -238,10 +238,12 @@ public class DownloadManager {
try {
DiskUtils.saveBufferedSourceToDirectory(resp.body().source(), directory, filename);
} catch (Exception e) {
Timber.e(e.getCause(), e.getMessage());
return Observable.error(e);
}
return Observable.just(page);
});
})
.retry(2);
}
// Public method to get the image from the filesystem. It does NOT provide any way to download the image
@ -310,7 +312,7 @@ public class DownloadManager {
pages = gson.fromJson(reader, collectionType);
}
} catch (FileNotFoundException e) {
Timber.e(e.fillInStackTrace(), e.getMessage());
Timber.e(e.getCause(), e.getMessage());
} finally {
if (reader != null) try { reader.close(); } catch (IOException e) { /* Do nothing */ }
}
@ -333,7 +335,7 @@ public class DownloadManager {
out.write(gson.toJson(pages).getBytes());
out.flush();
} catch (IOException e) {
Timber.e(e.fillInStackTrace(), e.getMessage());
Timber.e(e.getCause(), e.getMessage());
} finally {
if (out != null) try { out.close(); } catch (IOException e) { /* Do nothing */ }
}

43
app/src/main/java/eu/kanade/mangafeed/ui/download/DownloadAdapter.java
View File

@ -1,17 +1,50 @@
package eu.kanade.mangafeed.ui.download;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import java.util.ArrayList;
import java.util.List;
import eu.davidea.flexibleadapter.FlexibleAdapter;
import eu.kanade.mangafeed.R;
import eu.kanade.mangafeed.data.download.model.Download;
import uk.co.ribot.easyadapter.EasyRecyclerAdapter;
public class DownloadAdapter extends EasyRecyclerAdapter<Download> {
public class DownloadAdapter extends FlexibleAdapter<DownloadHolder, Download> {
private Context context;
public DownloadAdapter(Context context) {
super(context, DownloadHolder.class);
this.context = context;
mItems = new ArrayList<>();
setHasStableIds(true);
}
public int getPositionForItem(Download item) {
return getItems() != null && getItems().size() > 0 ? getItems().indexOf(item) : -1;
@Override
public DownloadHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(context).inflate(R.layout.item_download, parent, false);
return new DownloadHolder(v);
}
@Override
public void onBindViewHolder(DownloadHolder holder, int position) {
final Download download = getItem(position);
holder.onSetValues(download);
}
@Override
public long getItemId(int position) {
return getItem(position).chapter.id;
}
public void setItems(List<Download> downloads) {
mItems = downloads;
notifyDataSetChanged();
}
@Override
public void updateDataSet(String param) {}
}

45
app/src/main/java/eu/kanade/mangafeed/ui/download/DownloadFragment.java
View File

@ -1,13 +1,12 @@
package eu.kanade.mangafeed.ui.download;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ProgressBar;
import android.widget.TextView;
import java.util.List;
@ -21,8 +20,7 @@ import nucleus.factory.RequiresPresenter;
@RequiresPresenter(DownloadPresenter.class)
public class DownloadFragment extends BaseRxFragment<DownloadPresenter> {
@Bind(R.id.download_list) RecyclerView downloadList;
private LinearLayoutManager downloadListLayout;
@Bind(R.id.download_list) RecyclerView recyclerView;
private DownloadAdapter adapter;
public static DownloadFragment newInstance() {
@ -38,8 +36,8 @@ public class DownloadFragment extends BaseRxFragment<DownloadPresenter> {
setToolbarTitle(R.string.label_download_queue);
downloadListLayout = new LinearLayoutManager(getActivity());
downloadList.setLayoutManager(downloadListLayout);
recyclerView.setLayoutManager(new LinearLayoutManager(getActivity()));
recyclerView.setHasFixedSize(true);
createAdapter();
return view;
@ -47,39 +45,30 @@ public class DownloadFragment extends BaseRxFragment<DownloadPresenter> {
private void createAdapter() {
adapter = new DownloadAdapter(getActivity());
downloadList.setAdapter(adapter);
recyclerView.setAdapter(adapter);
}
public void onNextDownloads(List<Download> downloads) {
adapter.setItems(downloads);
}
private View getDownloadRow(Download download) {
int first = downloadListLayout.findFirstVisibleItemPosition();
int last = downloadListLayout.findLastVisibleItemPosition();
int pos = adapter.getPositionForItem(download);
if (pos != -1 && pos >= first && pos <= last) {
return downloadListLayout.getChildAt(pos - first);
}
return null;
}
public void updateProgress(Download download) {
View row = getDownloadRow(download);
if (row != null) {
ProgressBar progress = (ProgressBar) row.findViewById(R.id.download_progress);
if (progress.getMax() == 1) progress.setMax(download.pages.size() * 100);
progress.setProgress(download.totalProgress);
DownloadHolder holder = getHolder(download);
if (holder != null) {
holder.setDownloadProgress(download);
}
}
public void updateDownloadedPages(Download download) {
View row = getDownloadRow(download);
if (row != null) {
TextView progress = (TextView) row.findViewById(R.id.download_progress_text);
String progressText = download.downloadedImages + "/" + download.pages.size();
progress.setText(progressText);
DownloadHolder holder = getHolder(download);
if (holder != null) {
holder.setDownloadedPages(download);
}
}
@Nullable
private DownloadHolder getHolder(Download download) {
return (DownloadHolder) recyclerView.findViewHolderForItemId(download.chapter.id);
}
}

36
app/src/main/java/eu/kanade/mangafeed/ui/download/DownloadHolder.java
View File

@ -1,29 +1,27 @@
package eu.kanade.mangafeed.ui.download;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.ProgressBar;
import android.widget.TextView;
import butterknife.Bind;
import butterknife.ButterKnife;
import eu.kanade.mangafeed.R;
import eu.kanade.mangafeed.data.download.model.Download;
import uk.co.ribot.easyadapter.ItemViewHolder;
import uk.co.ribot.easyadapter.PositionInfo;
import uk.co.ribot.easyadapter.annotations.LayoutId;
import uk.co.ribot.easyadapter.annotations.ViewId;
@LayoutId(R.layout.item_download)
public class DownloadHolder extends ItemViewHolder<Download> {
public class DownloadHolder extends RecyclerView.ViewHolder {
@ViewId(R.id.download_title) TextView downloadTitle;
@ViewId(R.id.download_progress) ProgressBar downloadProgress;
@ViewId(R.id.download_progress_text) TextView downloadProgressText;
@Bind(R.id.download_title) TextView downloadTitle;
@Bind(R.id.download_progress) ProgressBar downloadProgress;
@Bind(R.id.download_progress_text) TextView downloadProgressText;
public DownloadHolder(View view) {
super(view);
ButterKnife.bind(this, view);
}
@Override
public void onSetValues(Download download, PositionInfo positionInfo) {
public void onSetValues(Download download) {
downloadTitle.setText(download.chapter.name);
if (download.pages == null) {
@ -32,10 +30,20 @@ public class DownloadHolder extends ItemViewHolder<Download> {
downloadProgressText.setText("");
} else {
downloadProgress.setMax(download.pages.size() * 100);
downloadProgress.setProgress(download.totalProgress);
String progressText = download.downloadedImages + "/" + download.pages.size();
downloadProgressText.setText(progressText);
setDownloadProgress(download);
setDownloadedPages(download);
}
}
public void setDownloadedPages(Download download) {
String progressText = download.downloadedImages + "/" + download.pages.size();
downloadProgressText.setText(progressText);
}
public void setDownloadProgress(Download download) {
if (downloadProgress.getMax() == 1)
downloadProgress.setMax(download.pages.size() * 100);
downloadProgress.setProgress(download.totalProgress);
}
}

58
app/src/main/java/eu/kanade/mangafeed/ui/download/DownloadPresenter.java
View File

@ -16,7 +16,6 @@ import rx.Observable;
import rx.Subscription;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;
import rx.subjects.PublishSubject;
import timber.log.Timber;
public class DownloadPresenter extends BasePresenter<DownloadFragment> {
@ -25,8 +24,8 @@ public class DownloadPresenter extends BasePresenter<DownloadFragment> {
private DownloadQueue downloadQueue;
private Subscription statusSubscription;
private Subscription pageProgressSubscription;
private HashMap<Download, Subscription> progressSubscriptions;
private HashMap<Download, Subscription> pageStatusSubscriptions;
public final static int GET_DOWNLOAD_QUEUE = 1;
@ -36,7 +35,6 @@ public class DownloadPresenter extends BasePresenter<DownloadFragment> {
downloadQueue = downloadManager.getQueue();
progressSubscriptions = new HashMap<>();
pageStatusSubscriptions = new HashMap<>();
restartableLatestCache(GET_DOWNLOAD_QUEUE,
() -> Observable.just(downloadQueue.get()),
@ -57,6 +55,10 @@ public class DownloadPresenter extends BasePresenter<DownloadFragment> {
.subscribe(download -> {
processStatus(download, view);
}));
add(pageProgressSubscription = downloadQueue.getProgressObservable()
.observeOn(AndroidSchedulers.mainThread())
.subscribe(view::updateDownloadedPages));
}
@Override
@ -69,17 +71,16 @@ public class DownloadPresenter extends BasePresenter<DownloadFragment> {
switch (download.getStatus()) {
case Download.DOWNLOADING:
observeProgress(download, view);
observePagesStatus(download, view);
// Initial update of the downloaded pages
view.updateDownloadedPages(download);
break;
case Download.DOWNLOADED:
unsubscribeProgress(download);
unsubscribePagesStatus(download);
view.updateProgress(download);
view.updateDownloadedPages(download);
break;
case Download.ERROR:
unsubscribeProgress(download);
unsubscribePagesStatus(download);
break;
}
}
@ -104,62 +105,19 @@ public class DownloadPresenter extends BasePresenter<DownloadFragment> {
progressSubscriptions.put(download, subscription);
}
private void observePagesStatus(Download download, DownloadFragment view) {
// Initial update of the downloaded pages
view.updateDownloadedPages(download);
PublishSubject<Integer> pageStatusSubject = PublishSubject.create();
for (Page page : download.pages) {
if (page.getStatus() != Page.READY)
page.setStatusSubject(pageStatusSubject);
}
Subscription subscription = pageStatusSubject
.filter(status -> status == Page.READY)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(status -> {
view.updateDownloadedPages(download);
});
// Avoid leaking subscriptions
Subscription oldSubscription = pageStatusSubscriptions.remove(download);
if (oldSubscription != null) oldSubscription.unsubscribe();
pageStatusSubscriptions.put(download, subscription);
}
private void unsubscribeProgress(Download download) {
Subscription subscription = progressSubscriptions.remove(download);
if (subscription != null)
subscription.unsubscribe();
}
private void unsubscribePagesStatus(Download download) {
if (download.pages != null) {
for (Page page : download.pages)
page.setStatusSubject(null);
}
Subscription subscription = pageStatusSubscriptions.remove(download);
if (subscription != null)
subscription.unsubscribe();
}
private void destroySubscriptions() {
for (Download download : pageStatusSubscriptions.keySet()) {
for (Page page : download.pages)
page.setStatusSubject(null);
}
for (Subscription subscription : pageStatusSubscriptions.values()) {
subscription.unsubscribe();
}
pageStatusSubscriptions.clear();
for (Subscription subscription : progressSubscriptions.values()) {
subscription.unsubscribe();
}
progressSubscriptions.clear();
remove(pageProgressSubscription);
remove(statusSubscription);
}