msb-public
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FairEmail
mirror of https://github.com/M66B/FairEmail.git
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Code Issues Projects Releases Wiki Activity

Load inline images async, named tasks

Browse Source
pull/147/head
M66B 6 years ago
parent b9dd42772a
commit 4c53f9b5b1
3 changed files with 93 additions and 39 deletions
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4
app/src/main/java/eu/faircode/email/DB.java
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@ -97,10 +97,6 @@ public abstract class DB extends RoomDatabase {
return sInstance;
}
public static synchronized DB getInstanceMainThread(Context context) {
return migrate(context, getBuilder(context).allowMainThreadQueries());
}
private static RoomDatabase.Builder getBuilder(Context context) {
return Room
.databaseBuilder(context.getApplicationContext(), DB.class, DB_NAME)

103
app/src/main/java/eu/faircode/email/FragmentCompose.java
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@ -30,9 +30,11 @@ import android.content.Intent;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LevelListDrawable;
import android.net.ConnectivityManager;
import android.net.Network;
import android.net.NetworkCapabilities;
@ -40,6 +42,7 @@ import android.net.NetworkRequest;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.preference.PreferenceManager;
import android.provider.ContactsContract;
import android.provider.OpenableColumns;
@ -493,7 +496,7 @@ public class FragmentCompose extends FragmentEx {
args.putString("subject", getArguments().getString("subject"));
args.putString("body", getArguments().getString("body"));
args.putParcelableArrayList("attachments", getArguments().getParcelableArrayList("attachments"));
draftLoader.execute(this, args);
draftLoader.execute(this, args, "draft:new");
} else {
Bundle args = new Bundle();
args.putString("action", "edit");
@ -501,7 +504,7 @@ public class FragmentCompose extends FragmentEx {
args.putLong("account", -1);
args.putLong("reference", -1);
args.putLong("answer", -1);
draftLoader.execute(this, args);
draftLoader.execute(this, args, "draft:edit");
}
} else {
working = savedInstanceState.getLong("working");
@ -511,7 +514,7 @@ public class FragmentCompose extends FragmentEx {
args.putLong("account", -1);
args.putLong("reference", -1);
args.putLong("answer", -1);
draftLoader.execute(this, args);
draftLoader.execute(this, args, "draft:instance");
}
}
@ -912,7 +915,7 @@ public class FragmentCompose extends FragmentEx {
else
Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
}
}.execute(this, args);
}.execute(this, args, "encrypt");
}
@Override
@ -1040,7 +1043,7 @@ public class FragmentCompose extends FragmentEx {
else
Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
}
}.execute(this, args);
}.execute(this, args, "add:attachment");
}
private void handleExit() {
@ -1098,7 +1101,7 @@ public class FragmentCompose extends FragmentEx {
dirty = false;
Log.i("Run execute id=" + working);
actionLoader.execute(this, args);
actionLoader.execute(this, args, "action:" + action);
}
private boolean isEmpty() {
@ -1655,7 +1658,7 @@ public class FragmentCompose extends FragmentEx {
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
}
}.execute(this, args);
}.execute(this, args, "draft:check");
}
private void showDraft(EntityMessage draft) {
@ -1667,11 +1670,6 @@ public class FragmentCompose extends FragmentEx {
args.putLong("reference", draft.forwarding);
new SimpleTask<Spanned[]>() {
@Override
protected void onPreExecute(Bundle args) {
state = State.LOADING;
}
@Override
protected void onPostExecute(Bundle args) {
state = State.LOADED;
@ -1731,7 +1729,7 @@ public class FragmentCompose extends FragmentEx {
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
}
}.execute(FragmentCompose.this, args);
}.execute(FragmentCompose.this, args, "draft:show");
}
private SimpleTask<EntityMessage> actionLoader = new SimpleTask<EntityMessage>() {
@ -1989,25 +1987,72 @@ public class FragmentCompose extends FragmentEx {
private Html.ImageGetter cidGetter = new Html.ImageGetter() {
@Override
public Drawable getDrawable(String source) {
public Drawable getDrawable(final String source) {
final LevelListDrawable lld = new LevelListDrawable();
Resources res = getContext().getResources();
int px = Helper.dp2pixels(getContext(), 48);
// Level 0: broken image
Drawable broken = res.getDrawable(R.drawable.baseline_broken_image_24, getContext().getTheme());
broken.setBounds(0, 0, px, px);
lld.addLevel(0, 0, broken);
// Level 1: place holder
Drawable placeholder = res.getDrawable(R.drawable.baseline_image_24, getContext().getTheme());
placeholder.setBounds(0, 0, px, px);
lld.addLevel(1, 1, placeholder);
lld.setBounds(0, 0, px, px);
if (source != null && source.startsWith("cid:")) {
DB db = DB.getInstanceMainThread(getContext());
String cid = "<" + source.substring(4) + ">";
EntityAttachment attachment = db.attachment().getAttachment(working, cid);
if (attachment != null) {
File file = EntityAttachment.getFile(getContext(), attachment.id);
Drawable d = Drawable.createFromPath(file.getAbsolutePath());
if (d != null) {
d.setBounds(0, 0, d.getIntrinsicWidth(), d.getIntrinsicHeight());
return d;
lld.setLevel(1); // placeholder
new Handler(Looper.getMainLooper()).post(new Runnable() {
@Override
public void run() {
Bundle args = new Bundle();
args.putLong("id", working);
args.putString("cid", "<" + source.substring(4) + ">");
new SimpleTask<Drawable>() {
@Override
protected Drawable onExecute(Context context, Bundle args) {
long id = args.getLong("id");
String cid = args.getString("cid");
DB db = DB.getInstance(context);
EntityAttachment attachment = db.attachment().getAttachment(id, cid);
if (attachment == null)
return null;
File file = EntityAttachment.getFile(getContext(), attachment.id);
return Drawable.createFromPath(file.getAbsolutePath());
}
@Override
protected void onExecuted(Bundle args, Drawable image) {
if (image == null)
lld.setLevel(0); // broken
else {
lld.addLevel(2, 2, image);
lld.setLevel(2); // image
lld.setBounds(0, 0, image.getIntrinsicWidth(), image.getIntrinsicHeight());
}
etBody.requestLayout();
}
@Override
protected void onException(Bundle args, Throwable ex) {
Helper.unexpectedError(getContext(), getViewLifecycleOwner(), ex);
}
}.execute(FragmentCompose.this, args, source);
}
}
}
});
} else
lld.setLevel(0); // broken
int px = Helper.dp2pixels(getContext(), 48);
Drawable d = getContext().getResources().getDrawable(R.drawable.baseline_broken_image_24, getContext().getTheme());
d.setBounds(0, 0, px, px);
return d;
return lld;
}
};

25
app/src/main/java/eu/faircode/email/SimpleTask.java
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@ -26,6 +26,7 @@ import android.os.Handler;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Lifecycle;
@ -45,25 +46,30 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
private boolean paused;
private boolean destroyed;
private Bundle args;
private String name;
private Result stored;
private static ExecutorService executor = Executors.newCachedThreadPool(Helper.backgroundThreadFactory);
public void execute(Context context, LifecycleOwner owner, Bundle args) {
run(context, owner, args);
run(context, owner, args, null);
}
public void execute(LifecycleService service, Bundle args) {
run(service, service, args);
run(service, service, args, null);
}
public void execute(AppCompatActivity activity, Bundle args) {
run(activity, activity, args);
run(activity, activity, args, null);
}
public void execute(final Fragment fragment, Bundle args) {
public void execute(Fragment fragment, Bundle args) {
execute(fragment, args, null);
}
public void execute(final Fragment fragment, Bundle args, String name) {
try {
run(fragment.getContext(), fragment.getViewLifecycleOwner(), args);
run(fragment.getContext(), fragment.getViewLifecycleOwner(), args, name);
} catch (IllegalStateException ex) {
Log.w(ex);
}
@ -111,11 +117,12 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
stored = null;
}
private void run(final Context context, LifecycleOwner owner, final Bundle args) {
private void run(final Context context, LifecycleOwner owner, final Bundle args, String name) {
this.owner = owner;
this.paused = false;
this.destroyed = false;
this.args = null;
this.name = name;
this.stored = null;
owner.getLifecycle().addObserver(this);
@ -198,4 +205,10 @@ public abstract class SimpleTask<T> implements LifecycleObserver {
Throwable ex;
Object data;
}
@NonNull
@Override
public String toString() {
return (name == null ? super.toString() : name);
}
}

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