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platform_packages_apps_Launcher3
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Code Issues Projects Releases Wiki Activity

Merge "Deleting old cache images before saving new ones." into ub-launcher3-rvc-dev

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TreeHugger Robot 2020-06-20 20:19:01 +00:00 committed by Android (Google) Code Review
parent d2260a07b8 ae74a618bd
commit 5ec76de182
1 changed files with 24 additions and 2 deletions
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26
quickstep/src/com/android/quickstep/util/ImageActionUtils.java
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@ -19,6 +19,7 @@ package com.android.quickstep.util;
import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
import static android.content.Intent.FLAG_GRANT_READ_URI_PERMISSION;
import static com.android.launcher3.util.Executors.THREAD_POOL_EXECUTOR;
import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
import android.content.ClipData;
@ -55,6 +56,9 @@ import java.util.function.Supplier;
public class ImageActionUtils {
private static final String AUTHORITY = BuildConfig.APPLICATION_ID + ".overview.fileprovider";
private static final long FILE_LIFE = 1000L /*ms*/ * 60L /*s*/ * 60L /*m*/ * 24L /*h*/;
private static final String SUB_FOLDER = "Overview";
private static final String BASE_NAME = "overview_image_";
/**
* Saves screenshot to location determine by SystemUiProxy
@ -110,10 +114,13 @@ public class ImageActionUtils {
*/
@WorkerThread
public static Uri getImageUri(Bitmap bitmap, Rect crop, Context context, String tag) {
clearOldCacheFiles(context);
Bitmap croppedBitmap = cropBitmap(bitmap, crop);
int cropHash = crop == null ? 0 : crop.hashCode();
String baseName = "image_" + bitmap.hashCode() + "_" + cropHash + ".png";
File file = new File(context.getCacheDir(), baseName);
String baseName = BASE_NAME + bitmap.hashCode() + "_" + cropHash + ".png";
File parent = new File(context.getCacheDir(), SUB_FOLDER);
parent.mkdir();
File file = new File(parent, baseName);
try (FileOutputStream fos = new FileOutputStream(file)) {
croppedBitmap.compress(Bitmap.CompressFormat.PNG, 100, fos);
@ -175,4 +182,19 @@ public class ImageActionUtils {
.setClipData(clipdata);
return new Intent[]{Intent.createChooser(intent, null).addFlags(FLAG_ACTIVITY_NEW_TASK)};
}
private static void clearOldCacheFiles(Context context) {
THREAD_POOL_EXECUTOR.execute(() -> {
File parent = new File(context.getCacheDir(), SUB_FOLDER);
File[] files = parent.listFiles((File f, String s) -> s.startsWith(BASE_NAME));
if (files != null) {
for (File file: files) {
if (file.lastModified() + FILE_LIFE < System.currentTimeMillis()) {
file.delete();
}
}
}
});
}
}