1 files changed, 46 insertions, 0 deletions
diff --git a/android/source/src/java/org/libreoffice/canvas/CommonCanvasElement.java b/android/source/src/java/org/libreoffice/canvas/CommonCanvasElement.java
new file mode 100644
index 000000000..6b40ae4ba
--- /dev/null
+++ b/android/source/src/java/org/libreoffice/canvas/CommonCanvasElement.java
@@ -0,0 +1,46 @@
+package org.libreoffice.canvas;
+
+import android.graphics.Canvas;
+
+/**
+ * Common implementation to canvas elements.
+ */
+public abstract class CommonCanvasElement implements CanvasElement, CanvasElementImplRequirement {
+
+    private boolean mVisible = false;
+
+    /**
+     * Is element visible?
+     */
+    @Override
+    public boolean isVisible() {
+        return mVisible;
+    }
+
+    /**
+     * Set element visibility.
+     */
+    @Override
+    public void setVisible(boolean visible) {
+        mVisible = visible;
+    }
+
+    /**
+     * Trigger drawing the element on the canvas.
+     */
+    @Override
+    public void draw(Canvas canvas) {
+        if (isVisible()) {
+            onDraw(canvas);
+        }
+    }
+
+    /**
+     * Hit test. Return true if the element was hit. Directly return false if
+     * the element is invisible.
+     */
+    @Override
+    public boolean contains(float x, float y) {
+        return isVisible() && onHitTest(x, y);
+    }
+}