implement user search (WiP: result always null)

1 files changed, 57 insertions, 0 deletions

diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/ui/widget/DelayedAutoCompleteTextView.java b/app/src/main/java/it/niedermann/nextcloud/deck/ui/widget/DelayedAutoCompleteTextView.java
new file mode 100644
index 000000000..4d68dab8c
--- /dev/null
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/ui/widget/DelayedAutoCompleteTextView.java
@@ -0,0 +1,57 @@
+package it.niedermann.nextcloud.deck.ui.widget;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.Message;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ProgressBar;
+
+/**
+ * Delayed auto complete text view, based on
+ * https://makovkastar.github.io/blog/2014/04/12/android-autocompletetextview-with-suggestions-from-a-web-service/
+ * by Alex Melnykov
+ */
+public class DelayedAutoCompleteTextView extends android.support.v7.widget.AppCompatAutoCompleteTextView {
+    private static final int MESSAGE_TEXT_CHANGED = 100;
+    private static final int DEFAULT_AUTOCOMPLETE_DELAY = 500;
+
+    private int mAutoCompleteDelay = DEFAULT_AUTOCOMPLETE_DELAY;
+    private ProgressBar mLoadingIndicator;
+
+    private final Handler mHandler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            DelayedAutoCompleteTextView.super.performFiltering((CharSequence) msg.obj, msg.arg1);
+        }
+    };
+
+    public DelayedAutoCompleteTextView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    public void setLoadingIndicator(ProgressBar progressBar) {
+        mLoadingIndicator = progressBar;
+    }
+
+    public void setAutoCompleteDelay(int autoCompleteDelay) {
+        mAutoCompleteDelay = autoCompleteDelay;
+    }
+
+    @Override
+    protected void performFiltering(CharSequence text, int keyCode) {
+        if (mLoadingIndicator != null) {
+            mLoadingIndicator.setVisibility(View.VISIBLE);
+        }
+        mHandler.removeMessages(MESSAGE_TEXT_CHANGED);
+        mHandler.sendMessageDelayed(mHandler.obtainMessage(MESSAGE_TEXT_CHANGED, text), mAutoCompleteDelay);
+    }
+
+    @Override
+    public void onFilterComplete(int count) {
+        if (mLoadingIndicator != null) {
+            mLoadingIndicator.setVisibility(View.GONE);
+        }
+        super.onFilterComplete(count);
+    }
+}