mirror of https://codeberg.org/gitnex/GitNex.git
178 lines
5.2 KiB
Java
178 lines
5.2 KiB
Java
package org.mian.gitnex.helpers;
|
|
|
|
import android.content.Context;
|
|
import android.graphics.Typeface;
|
|
import android.text.Spanned;
|
|
import android.widget.TextView;
|
|
import androidx.annotation.NonNull;
|
|
import androidx.core.content.res.ResourcesCompat;
|
|
import org.mian.gitnex.R;
|
|
import org.mian.gitnex.clients.PicassoService;
|
|
import org.mian.gitnex.core.MainGrammarLocator;
|
|
import java.util.Objects;
|
|
import java.util.concurrent.ExecutorService;
|
|
import java.util.concurrent.SynchronousQueue;
|
|
import java.util.concurrent.ThreadPoolExecutor;
|
|
import java.util.concurrent.TimeUnit;
|
|
import io.noties.markwon.AbstractMarkwonPlugin;
|
|
import io.noties.markwon.Markwon;
|
|
import io.noties.markwon.core.CorePlugin;
|
|
import io.noties.markwon.core.MarkwonTheme;
|
|
import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
|
|
import io.noties.markwon.ext.tables.TablePlugin;
|
|
import io.noties.markwon.ext.tasklist.TaskListPlugin;
|
|
import io.noties.markwon.html.HtmlPlugin;
|
|
import io.noties.markwon.image.picasso.PicassoImagesPlugin;
|
|
import io.noties.markwon.linkify.LinkifyPlugin;
|
|
import io.noties.markwon.syntax.Prism4jTheme;
|
|
import io.noties.markwon.syntax.Prism4jThemeDarkula;
|
|
import io.noties.markwon.syntax.Prism4jThemeDefault;
|
|
import io.noties.markwon.syntax.SyntaxHighlightPlugin;
|
|
import io.noties.prism4j.Prism4j;
|
|
import stormpot.Allocator;
|
|
import stormpot.BlazePool;
|
|
import stormpot.Config;
|
|
import stormpot.Pool;
|
|
import stormpot.Poolable;
|
|
import stormpot.Slot;
|
|
import stormpot.Timeout;
|
|
|
|
/**
|
|
* @author opyale
|
|
*/
|
|
|
|
public class Markdown {
|
|
|
|
private static final int MAX_POOL_SIZE = 45;
|
|
private static final int MAX_THREAD_KEEP_ALIVE_SECONDS = 120;
|
|
private static final int MAX_CLAIM_TIMEOUT_SECONDS = 120;
|
|
|
|
private static final Timeout timeout = new Timeout(MAX_CLAIM_TIMEOUT_SECONDS, TimeUnit.SECONDS);
|
|
|
|
private static final ExecutorService executorService =
|
|
new ThreadPoolExecutor(MAX_POOL_SIZE / 2, MAX_POOL_SIZE, MAX_THREAD_KEEP_ALIVE_SECONDS, TimeUnit.SECONDS, new SynchronousQueue<>());
|
|
|
|
private static final Pool<Renderer> rendererPool;
|
|
|
|
static {
|
|
|
|
Config<Renderer> config = new Config<>();
|
|
|
|
config.setBackgroundExpirationEnabled(true);
|
|
config.setPreciseLeakDetectionEnabled(true);
|
|
config.setSize(MAX_POOL_SIZE);
|
|
config.setAllocator(new Allocator<Renderer>() {
|
|
|
|
@Override
|
|
public Renderer allocate(Slot slot) throws Exception {
|
|
return new Renderer(slot);
|
|
}
|
|
|
|
@Override public void deallocate(Renderer poolable) throws Exception {}
|
|
|
|
});
|
|
|
|
rendererPool = new BlazePool<>(config);
|
|
|
|
}
|
|
|
|
public static void render(Context context, String markdown, TextView textView) {
|
|
|
|
try {
|
|
Renderer renderer = rendererPool.claim(timeout);
|
|
|
|
if(renderer != null) {
|
|
renderer.setParameters(context, markdown, textView);
|
|
executorService.execute(renderer);
|
|
}
|
|
} catch(InterruptedException ignored) {}
|
|
}
|
|
|
|
private static class Renderer implements Runnable, Poolable {
|
|
|
|
private final Slot slot;
|
|
|
|
private Markwon markwon;
|
|
|
|
private Context context;
|
|
private String markdown;
|
|
private TextView textView;
|
|
|
|
public Renderer(Slot slot) {
|
|
this.slot = slot;
|
|
}
|
|
|
|
private void setup() {
|
|
|
|
Prism4jTheme prism4jTheme = TinyDB.getInstance(context).getString("currentTheme").equals("dark") ?
|
|
Prism4jThemeDarkula.create() :
|
|
Prism4jThemeDefault.create();
|
|
|
|
Markwon.Builder builder = Markwon.builder(context)
|
|
.usePlugin(CorePlugin.create())
|
|
.usePlugin(HtmlPlugin.create())
|
|
.usePlugin(LinkifyPlugin.create(true))
|
|
.usePlugin(TablePlugin.create(context))
|
|
.usePlugin(TaskListPlugin.create(context))
|
|
.usePlugin(StrikethroughPlugin.create())
|
|
.usePlugin(PicassoImagesPlugin.create(PicassoService.getInstance(context).get()))
|
|
.usePlugin(SyntaxHighlightPlugin.create(new Prism4j(MainGrammarLocator.getInstance()), prism4jTheme, MainGrammarLocator.DEFAULT_FALLBACK_LANGUAGE))
|
|
.usePlugin(new AbstractMarkwonPlugin() {
|
|
|
|
@Override
|
|
public void configureTheme(@NonNull MarkwonTheme.Builder builder) {
|
|
builder.codeBlockTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
|
|
builder.codeBlockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
|
|
builder.blockMargin((int) (context.getResources().getDisplayMetrics().density * 10));
|
|
builder.codeTextSize((int) (context.getResources().getDisplayMetrics().scaledDensity * 13));
|
|
builder.codeTypeface(Typeface.createFromAsset(context.getAssets(), "fonts/sourcecodeproregular.ttf"));
|
|
builder.linkColor(ResourcesCompat.getColor(context.getResources(), R.color.lightBlue, null));
|
|
}
|
|
});
|
|
|
|
markwon = builder.build();
|
|
|
|
}
|
|
|
|
public void setParameters(Context context, String markdown, TextView textView) {
|
|
|
|
this.context = context;
|
|
this.markdown = markdown;
|
|
this.textView = textView;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
|
|
Objects.requireNonNull(context);
|
|
Objects.requireNonNull(markdown);
|
|
Objects.requireNonNull(textView);
|
|
|
|
if(markwon == null) setup();
|
|
|
|
Spanned processedMarkdown = markwon.toMarkdown(markdown);
|
|
|
|
TextView localReference = textView;
|
|
localReference.post(() -> localReference.setText(processedMarkdown));
|
|
|
|
release();
|
|
|
|
}
|
|
|
|
@Override
|
|
public void release() {
|
|
|
|
context = null;
|
|
markdown = null;
|
|
textView = null;
|
|
|
|
slot.release(this);
|
|
|
|
}
|
|
|
|
public void expire() {
|
|
slot.expire(this);
|
|
}
|
|
}
|
|
}
|