Merge "Deleting old cache images before saving new ones." into ub-launcher3-rvc-dev (5ec76de1) · Commits · e / os / android_packages_apps_Trebuchet

quickstep/src/com/android/quickstep/util/ImageActionUtils.java

+24 −2

Original line number	Diff line number	Diff line
		@@ -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();
		}
		}
		}
		});

		}
		}