Reworking data dir dialog

1 files changed, 88 insertions, 0 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/dialog/ChooseDataFolderDialog.java b/app/src/main/java/de/danoeh/antennapod/dialog/ChooseDataFolderDialog.java
new file mode 100644
index 000000000..339d9a8c2
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/dialog/ChooseDataFolderDialog.java
@@ -0,0 +1,88 @@
+package de.danoeh.antennapod.dialog;
+
+import android.content.Context;
+import android.os.Build;
+import android.support.v4.content.ContextCompat;
+import android.text.Html;
+
+import com.afollestad.materialdialogs.MaterialDialog;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
+import de.danoeh.antennapod.core.util.Converter;
+import de.danoeh.antennapod.core.util.StorageUtils;
+
+public class ChooseDataFolderDialog {
+
+    private ChooseDataFolderDialog() {}
+
+    public static void showDialog(final Context context, Consumer<String> handlerFunc) {
+        File dataFolder = UserPreferences.getDataFolder(null);
+        if (dataFolder == null) {
+            new MaterialDialog.Builder(context)
+                    .title(R.string.error_label)
+                    .content(R.string.external_storage_error_msg)
+                    .neutralText(android.R.string.ok)
+                    .show();
+            return;
+        }
+        String dataFolderPath = dataFolder.getAbsolutePath();
+        int selectedIndex = -1;
+        int index = 0;
+        File[] mediaDirs = ContextCompat.getExternalFilesDirs(context, null);
+        final List<String> folders = new ArrayList<>(mediaDirs.length);
+        final List<CharSequence> choices = new ArrayList<>(mediaDirs.length);
+        for (File dir : mediaDirs) {
+            if(dir == null || !dir.exists() || !dir.canRead() || !dir.canWrite()) {
+                continue;
+            }
+            String path = dir.getAbsolutePath();
+            folders.add(path);
+            if(dataFolderPath.equals(path)) {
+                selectedIndex = index;
+            }
+            int prefixIndex = path.indexOf("Android");
+            String choice = (prefixIndex > 0) ? path.substring(0, prefixIndex) : path;
+            long bytes = StorageUtils.getFreeSpaceAvailable(path);
+            String item = String.format(
+                    "<small>%1$s [%2$s]</small>", choice, Converter.byteToString(bytes));
+            choices.add(fromHtmlVersioned(item));
+            index++;
+        }
+        if (choices.isEmpty()) {
+            new MaterialDialog.Builder(context)
+                    .title(R.string.error_label)
+                    .content(R.string.external_storage_error_msg)
+                    .neutralText(android.R.string.ok)
+                    .show();
+            return;
+        }
+        MaterialDialog dialog = new MaterialDialog.Builder(context)
+                .title(R.string.choose_data_directory)
+                .content(R.string.choose_data_directory_message)
+                .items(choices)
+                .itemsCallbackSingleChoice(selectedIndex, (dialog1, itemView, which, text) -> {
+                    String folder = folders.get(which);
+                    handlerFunc.accept(folder);
+                    return true;
+                })
+                .negativeText(R.string.cancel_label)
+                .cancelable(true)
+                .build();
+        dialog.show();
+    }
+
+    @SuppressWarnings("deprecation")
+    private static CharSequence fromHtmlVersioned(final String html) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            return Html.fromHtml(html, Html.FROM_HTML_MODE_LEGACY);
+        }
+        return Html.fromHtml(html);
+    }
+
+}
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