Removing old scroll indicator and adding page indicator dots.

Change-Id: I44c5b4b532e8464010d45dd0a3dfeccb2d475216

1 files changed, 92 insertions, 0 deletions

diff --git a/src/com/android/launcher3/PageIndicator.java b/src/com/android/launcher3/PageIndicator.java
new file mode 100644
index 000000000..ecaa8f544
--- /dev/null
+++ b/src/com/android/launcher3/PageIndicator.java
@@ -0,0 +1,92 @@
+/*
+ * 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;
+
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.LayoutTransition;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.LinearLayout;
+import com.android.launcher3.R;
+
+import java.util.ArrayList;
+
+public class PageIndicator extends LinearLayout {
+    @SuppressWarnings("unused")
+    private static final String TAG = "PageIndicator";
+
+    private LayoutInflater mLayoutInflater;
+
+    public PageIndicator(Context context) {
+        this(context, null);
+    }
+
+    public PageIndicator(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PageIndicator(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        mLayoutInflater = LayoutInflater.from(context);
+
+        LayoutTransition transition = getLayoutTransition();
+        transition.setDuration(250);
+    }
+
+    void addMarker(int index) {
+        index = Math.max(0, Math.min(index, getChildCount()));
+        View marker = mLayoutInflater.inflate(R.layout.page_indicator_marker, this, false);
+        addView(marker, index);
+    }
+    void addMarkers(int count) {
+        for (int i = 0; i < count; ++i) {
+            addMarker(Integer.MAX_VALUE);
+        }
+    }
+
+    void removeMarker(int index) {
+        if (getChildCount() > 0) {
+            index = Math.max(0, Math.min(index, getChildCount() - 1));
+            removeViewAt(index);
+        }
+    }
+    void removeAllMarkers() {
+        while (getChildCount() > 0) {
+            removeMarker(Integer.MAX_VALUE);
+        }
+    }
+
+    void setActiveMarker(int index) {
+        for (int i = 0; i < getChildCount(); ++i) {
+            PageIndicatorMarker marker = (PageIndicatorMarker) getChildAt(i);
+            if (index == i) {
+                marker.activate();
+            } else {
+                marker.inactivate();
+            }
+        }
+    }
+}