1 files changed, 105 insertions, 0 deletions
diff --git a/src/com/android/launcher3/pageindicators/PageIndicatorDot.java b/src/com/android/launcher3/pageindicators/PageIndicatorDot.java
new file mode 100644
index 000000000..5ed342695
--- /dev/null
+++ b/src/com/android/launcher3/pageindicators/PageIndicatorDot.java
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.pageindicators;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.util.AttributeSet;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+import com.android.launcher3.R;
+
+public class PageIndicatorDot extends FrameLayout {
+    @SuppressWarnings("unused")
+    private static final String TAG = "PageIndicator";
+
+    private static final int MARKER_FADE_DURATION = 175;
+
+    private ImageView mActiveMarker;
+    private ImageView mInactiveMarker;
+    private boolean mIsActive = false;
+
+    public PageIndicatorDot(Context context) {
+        this(context, null);
+    }
+
+    public PageIndicatorDot(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PageIndicatorDot(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+        mActiveMarker = (ImageView) findViewById(R.id.active);
+        mInactiveMarker = (ImageView) findViewById(R.id.inactive);
+    }
+
+    void setMarkerDrawables(int activeResId, int inactiveResId) {
+        Resources r = getResources();
+        mActiveMarker.setImageDrawable(r.getDrawable(activeResId));
+        mInactiveMarker.setImageDrawable(r.getDrawable(inactiveResId));
+    }
+
+    void activate(boolean immediate) {
+        if (immediate) {
+            mActiveMarker.animate().cancel();
+            mActiveMarker.setAlpha(1f);
+            mActiveMarker.setScaleX(1f);
+            mActiveMarker.setScaleY(1f);
+            mInactiveMarker.animate().cancel();
+            mInactiveMarker.setAlpha(0f);
+        } else {
+            mActiveMarker.animate()
+                    .alpha(1f)
+                    .scaleX(1f)
+                    .scaleY(1f)
+                    .setDuration(MARKER_FADE_DURATION).start();
+            mInactiveMarker.animate()
+                    .alpha(0f)
+                    .setDuration(MARKER_FADE_DURATION).start();
+        }
+        mIsActive = true;
+    }
+
+    void inactivate(boolean immediate) {
+        if (immediate) {
+            mInactiveMarker.animate().cancel();
+            mInactiveMarker.setAlpha(1f);
+            mActiveMarker.animate().cancel();
+            mActiveMarker.setAlpha(0f);
+            mActiveMarker.setScaleX(0.5f);
+            mActiveMarker.setScaleY(0.5f);
+        } else {
+            mInactiveMarker.animate().alpha(1f)
+                    .setDuration(MARKER_FADE_DURATION).start();
+            mActiveMarker.animate()
+                    .alpha(0f)
+                    .scaleX(0.5f)
+                    .scaleY(0.5f)
+                    .setDuration(MARKER_FADE_DURATION).start();
+        }
+        mIsActive = false;
+    }
+
+    boolean isActive() {
+        return mIsActive;
+    }
+}