add ProgressFixedScaler (forgot in a previous commit)

1 files changed, 29 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/ProgressFixedScaler.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/ProgressFixedScaler.java
new file mode 100644
index 000000000..4bb4ca5de
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/util/ProgressFixedScaler.java
@@ -0,0 +1,29 @@
+package org.sufficientlysecure.keychain.util;
+
+import org.sufficientlysecure.keychain.pgp.Progressable;
+
+/** This is a simple variant of ProgressScaler which shows a fixed progress message, ignoring
+ * the provided ones.
+ */
+public class ProgressFixedScaler extends ProgressScaler {
+
+    final int mResId;
+
+    public ProgressFixedScaler(Progressable wrapped, int from, int to, int max, int resId) {
+        super(wrapped, from, to, max);
+        mResId = resId;
+    }
+
+    public void setProgress(int resourceId, int progress, int max) {
+        if (mWrapped != null) {
+            mWrapped.setProgress(mResId, mFrom + progress * (mTo - mFrom) / max, mMax);
+        }
+    }
+
+    public void setProgress(String message, int progress, int max) {
+        if (mWrapped != null) {
+            mWrapped.setProgress(mResId, mFrom + progress * (mTo - mFrom) / max, mMax);
+        }
+    }
+
+}