Android: Make GameFileCacheManager use LiveData, part 1

This commit is contained in:
JosJuice 2021-11-17 21:29:11 +01:00
parent 735fd60e52
commit 857963b336
2 changed files with 38 additions and 46 deletions

View File

@ -5,6 +5,8 @@ package org.dolphinemu.dolphinemu.services;
import android.content.Context;
import android.content.Intent;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import org.dolphinemu.dolphinemu.DolphinApplication;
@ -19,18 +21,12 @@ import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReference;
/**
* Loads game list data on a separate thread.
*/
public final class GameFileCacheManager
{
/**
* This is broadcast when the contents of the cache change.
*/
public static final String CACHE_UPDATED = "org.dolphinemu.dolphinemu.GAME_FILE_CACHE_UPDATED";
/**
* This is broadcast when the service is done with all requested work, regardless of whether
* the contents of the cache actually changed. (Maybe the cache was already up to date.)
@ -39,8 +35,8 @@ public final class GameFileCacheManager
"org.dolphinemu.dolphinemu.GAME_FILE_CACHE_DONE_LOADING";
private static GameFileCache gameFileCache = null;
private static final AtomicReference<GameFile[]> gameFiles =
new AtomicReference<>(new GameFile[]{});
private static final MutableLiveData<GameFile[]> gameFiles =
new MutableLiveData<>(new GameFile[]{});
private static final ExecutorService executor = Executors.newFixedThreadPool(1);
private static final AtomicBoolean loadInProgress = new AtomicBoolean(false);
@ -50,9 +46,14 @@ public final class GameFileCacheManager
{
}
public static LiveData<GameFile[]> getGameFiles()
{
return gameFiles;
}
public static List<GameFile> getGameFilesForPlatform(Platform platform)
{
GameFile[] allGames = gameFiles.get();
GameFile[] allGames = gameFiles.getValue();
ArrayList<GameFile> platformGames = new ArrayList<>();
for (GameFile game : allGames)
{
@ -66,7 +67,7 @@ public final class GameFileCacheManager
public static GameFile getGameFileByGameId(String gameId)
{
GameFile[] allGames = gameFiles.get();
GameFile[] allGames = gameFiles.getValue();
for (GameFile game : allGames)
{
if (game.getGameId().equals(gameId))
@ -81,7 +82,7 @@ public final class GameFileCacheManager
{
GameFile matchWithoutRevision = null;
GameFile[] allGames = gameFiles.get();
GameFile[] allGames = gameFiles.getValue();
for (GameFile otherGame : allGames)
{
if (game.getGameId().equals(otherGame.getGameId()) &&
@ -155,7 +156,7 @@ public final class GameFileCacheManager
// Common case: The game is in the cache, so just grab it from there.
// (Actually, addOrGet already checks for this case, but we want to avoid calling it if possible
// because onHandleIntent may hold a lock on gameFileCache for extended periods of time.)
GameFile[] allGames = gameFiles.get();
GameFile[] allGames = gameFiles.getValue();
for (GameFile game : allGames)
{
if (game.getPath().equals(gamePath))
@ -189,7 +190,6 @@ public final class GameFileCacheManager
if (gameFileCache.getSize() != 0)
{
updateGameFileArray();
sendBroadcast(CACHE_UPDATED);
}
}
}
@ -218,14 +218,12 @@ public final class GameFileCacheManager
if (changed)
{
updateGameFileArray();
sendBroadcast(CACHE_UPDATED);
}
boolean additionalMetadataChanged = gameFileCache.updateAdditionalMetadata();
if (additionalMetadataChanged)
{
updateGameFileArray();
sendBroadcast(CACHE_UPDATED);
}
if (changed || additionalMetadataChanged)
@ -243,7 +241,7 @@ public final class GameFileCacheManager
{
GameFile[] gameFilesTemp = gameFileCache.getAllGames();
Arrays.sort(gameFilesTemp, (lhs, rhs) -> lhs.getTitle().compareToIgnoreCase(rhs.getTitle()));
gameFiles.set(gameFilesTemp);
gameFiles.postValue(gameFilesTemp);
}
private static void sendBroadcast(String action)

View File

@ -2,7 +2,6 @@
package org.dolphinemu.dolphinemu.ui.main;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.Context;
@ -11,6 +10,7 @@ import android.content.IntentFilter;
import android.net.Uri;
import androidx.appcompat.app.AlertDialog;
import androidx.core.app.ComponentActivity;
import androidx.localbroadcastmanager.content.LocalBroadcastManager;
import org.dolphinemu.dolphinemu.BuildConfig;
@ -42,14 +42,14 @@ public final class MainPresenter
private static boolean sShouldRescanLibrary = true;
private final MainView mView;
private final Context mContext;
private final ComponentActivity mActivity;
private BroadcastReceiver mBroadcastReceiver = null;
private String mDirToAdd;
public MainPresenter(MainView view, Context context)
public MainPresenter(MainView view, ComponentActivity activity)
{
mView = view;
mContext = context;
mActivity = activity;
}
public void onCreate()
@ -57,8 +57,9 @@ public final class MainPresenter
String versionName = BuildConfig.VERSION_NAME;
mView.setVersionString(versionName);
GameFileCacheManager.getGameFiles().observe(mActivity, (gameFiles) -> mView.showGames());
IntentFilter filter = new IntentFilter();
filter.addAction(GameFileCacheManager.CACHE_UPDATED);
filter.addAction(GameFileCacheManager.DONE_LOADING);
mBroadcastReceiver = new BroadcastReceiver()
{
@ -67,23 +68,20 @@ public final class MainPresenter
{
switch (intent.getAction())
{
case GameFileCacheManager.CACHE_UPDATED:
mView.showGames();
break;
case GameFileCacheManager.DONE_LOADING:
mView.setRefreshing(false);
break;
}
}
};
LocalBroadcastManager.getInstance(mContext).registerReceiver(mBroadcastReceiver, filter);
LocalBroadcastManager.getInstance(mActivity).registerReceiver(mBroadcastReceiver, filter);
}
public void onDestroy()
{
if (mBroadcastReceiver != null)
{
LocalBroadcastManager.getInstance(mContext).unregisterReceiver(mBroadcastReceiver);
LocalBroadcastManager.getInstance(mActivity).unregisterReceiver(mBroadcastReceiver);
}
}
@ -142,10 +140,10 @@ public final class MainPresenter
if (sShouldRescanLibrary && !GameFileCacheManager.isRescanning())
{
new AfterDirectoryInitializationRunner().run(mContext, false, () ->
new AfterDirectoryInitializationRunner().run(mActivity, false, () ->
{
mView.setRefreshing(true);
GameFileCacheManager.startRescan(mContext);
GameFileCacheManager.startRescan(mActivity);
});
}
@ -172,20 +170,20 @@ public final class MainPresenter
if (Arrays.stream(childNames).noneMatch((name) -> FileBrowserHelper.GAME_EXTENSIONS.contains(
FileBrowserHelper.getExtension(name, false))))
{
AlertDialog.Builder builder = new AlertDialog.Builder(mContext, R.style.DolphinDialogBase);
builder.setMessage(mContext.getString(R.string.wrong_file_extension_in_directory,
AlertDialog.Builder builder = new AlertDialog.Builder(mActivity, R.style.DolphinDialogBase);
builder.setMessage(mActivity.getString(R.string.wrong_file_extension_in_directory,
FileBrowserHelper.setToSortedDelimitedString(FileBrowserHelper.GAME_EXTENSIONS)));
builder.setPositiveButton(R.string.ok, null);
builder.show();
}
ContentResolver contentResolver = mContext.getContentResolver();
ContentResolver contentResolver = mActivity.getContentResolver();
Uri canonicalizedUri = contentResolver.canonicalize(uri);
if (canonicalizedUri != null)
uri = canonicalizedUri;
int takeFlags = result.getFlags() & Intent.FLAG_GRANT_READ_URI_PERMISSION;
mContext.getContentResolver().takePersistableUriPermission(uri, takeFlags);
mActivity.getContentResolver().takePersistableUriPermission(uri, takeFlags);
mDirToAdd = uri.toString();
}
@ -196,24 +194,22 @@ public final class MainPresenter
{
boolean success = WiiUtils.installWAD(path);
int message = success ? R.string.wad_install_success : R.string.wad_install_failure;
return mContext.getResources().getString(message);
return mActivity.getResources().getString(message);
});
}
public void importWiiSave(String path)
{
final Activity mainPresenterActivity = (Activity) mContext;
CompletableFuture<Boolean> canOverwriteFuture = new CompletableFuture<>();
runOnThreadAndShowResult(R.string.import_in_progress, 0, () ->
{
BooleanSupplier canOverwrite = () ->
{
mainPresenterActivity.runOnUiThread(() ->
mActivity.runOnUiThread(() ->
{
AlertDialog.Builder builder =
new AlertDialog.Builder(mContext, R.style.DolphinDialogBase);
new AlertDialog.Builder(mActivity, R.style.DolphinDialogBase);
builder.setMessage(R.string.wii_save_exists);
builder.setCancelable(false);
builder.setPositiveButton(R.string.yes, (dialog, i) -> canOverwriteFuture.complete(true));
@ -252,14 +248,14 @@ public final class MainPresenter
message = R.string.wii_save_import_error;
break;
}
return mContext.getResources().getString(message);
return mActivity.getResources().getString(message);
});
}
public void importNANDBin(String path)
{
AlertDialog.Builder builder =
new AlertDialog.Builder(mContext, R.style.DolphinDialogBase);
new AlertDialog.Builder(mActivity, R.style.DolphinDialogBase);
builder.setMessage(R.string.nand_import_warning);
builder.setNegativeButton(R.string.no, (dialog, i) -> dialog.dismiss());
@ -281,33 +277,31 @@ public final class MainPresenter
private void runOnThreadAndShowResult(int progressTitle, int progressMessage, Supplier<String> f)
{
final Activity mainPresenterActivity = (Activity) mContext;
AlertDialog progressDialog = new AlertDialog.Builder(mContext, R.style.DolphinDialogBase)
AlertDialog progressDialog = new AlertDialog.Builder(mActivity, R.style.DolphinDialogBase)
.create();
progressDialog.setTitle(progressTitle);
if (progressMessage != 0)
progressDialog.setMessage(mContext.getResources().getString(progressMessage));
progressDialog.setMessage(mActivity.getResources().getString(progressMessage));
progressDialog.setCancelable(false);
progressDialog.show();
new Thread(() ->
{
String result = f.get();
mainPresenterActivity.runOnUiThread(() ->
mActivity.runOnUiThread(() ->
{
progressDialog.dismiss();
if (result != null)
{
AlertDialog.Builder builder =
new AlertDialog.Builder(mContext, R.style.DolphinDialogBase);
new AlertDialog.Builder(mActivity, R.style.DolphinDialogBase);
builder.setMessage(result);
builder.setPositiveButton(R.string.ok, (dialog, i) -> dialog.dismiss());
builder.show();
}
});
}, mContext.getResources().getString(progressTitle)).start();
}, mActivity.getResources().getString(progressTitle)).start();
}
public static void skipRescanningLibrary()