Move ViewPagerTabs out of Dialer repo

Bug: 16158921
Bug: 15616182
Change-Id: Ie648d78dd4df402936c4665eca7c6998e463ca2b

3 files changed, 1 insertions, 306 deletions

diff --git a/src/com/android/dialer/list/ListsFragment.java b/src/com/android/dialer/list/ListsFragment.java
index 103eef780..847edd9a0 100644
--- a/src/com/android/dialer/list/ListsFragment.java
+++ b/src/com/android/dialer/list/ListsFragment.java
@@ -24,6 +24,7 @@ import android.view.ViewGroup;
 import android.widget.ListView;
 
 import com.android.contacts.common.GeoUtil;
+import com.android.contacts.common.list.ViewPagerTabs;
 import com.android.dialer.DialtactsActivity;
 
 import android.view.View.OnClickListener;
diff --git a/src/com/android/dialer/list/ViewPagerTabStrip.java b/src/com/android/dialer/list/ViewPagerTabStrip.java
deleted file mode 100644
index ac16694b3..000000000
--- a/src/com/android/dialer/list/ViewPagerTabStrip.java
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2014 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.dialer.list;
-
-import android.content.Context;
-import android.content.res.Resources;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.util.AttributeSet;
-import android.view.View;
-import android.widget.LinearLayout;
-
-import com.android.dialer.R;
-
-public class ViewPagerTabStrip extends LinearLayout {
-    private int mSelectedUnderlineThickness;
-    private final Paint mSelectedUnderlinePaint;
-
-    private int mIndexForSelection;
-    private float mSelectionOffset;
-
-    public ViewPagerTabStrip(Context context) {
-        this(context, null);
-    }
-
-    public ViewPagerTabStrip(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        final Resources res = context.getResources();
-
-        mSelectedUnderlineThickness =
-                res.getDimensionPixelSize(R.dimen.tab_selected_underline_height);
-        int underlineColor = res.getColor(R.color.tab_selected_underline_color);
-        int backgroundColor = res.getColor(R.color.actionbar_background_color);
-
-        mSelectedUnderlinePaint = new Paint();
-        mSelectedUnderlinePaint.setColor(underlineColor);
-
-        setBackgroundColor(backgroundColor);
-        setWillNotDraw(false);
-    }
-
-    /**
-     * Notifies this view that view pager has been scrolled. We save the tab index
-     * and selection offset for interpolating the position and width of selection
-     * underline.
-     */
-    void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
-        mIndexForSelection = position;
-        mSelectionOffset = positionOffset;
-        invalidate();
-    }
-
-    /**
-     * Notifies this view that a new page has been selected in the view pager. We save the tab
-     * index and reset the selection offset to 0.
-     */
-    void onPageSelected(int position) {
-        mIndexForSelection = position;
-        mSelectionOffset = 0;
-        invalidate();
-    }
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        int childCount = getChildCount();
-
-        // Thick colored underline below the current selection
-        if (childCount > 0) {
-            View selectedTitle = getChildAt(mIndexForSelection);
-            int selectedLeft = selectedTitle.getLeft();
-            int selectedRight = selectedTitle.getRight();
-            if ((mSelectionOffset > 0.0f) &&
-                    (mIndexForSelection < (getChildCount() - 1))) {
-                // Draw the selection partway between the tabs
-                View nextTitle = getChildAt(mIndexForSelection + 1);
-                int nextLeft = nextTitle.getLeft();
-                int nextRight = nextTitle.getRight();
-
-                selectedLeft = (int) (mSelectionOffset * nextLeft +
-                        (1.0f - mSelectionOffset) * selectedLeft);
-                selectedRight = (int) (mSelectionOffset * nextRight +
-                        (1.0f - mSelectionOffset) * selectedRight);
-            }
-
-            int height = getHeight();
-            canvas.drawRect(selectedLeft, height - mSelectedUnderlineThickness,
-                    selectedRight, height, mSelectedUnderlinePaint);
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/com/android/dialer/list/ViewPagerTabs.java b/src/com/android/dialer/list/ViewPagerTabs.java
deleted file mode 100644
index 3717369a2..000000000
--- a/src/com/android/dialer/list/ViewPagerTabs.java
+++ /dev/null
@@ -1,201 +0,0 @@
-package com.android.dialer.list;
-
-import android.content.Context;
-import android.content.res.ColorStateList;
-import android.content.res.TypedArray;
-import android.graphics.Outline;
-import android.support.v4.view.PagerAdapter;
-import android.support.v4.view.ViewPager;
-import android.util.AttributeSet;
-import android.util.TypedValue;
-import android.view.Gravity;
-import android.view.View;
-import android.view.ViewOutlineProvider;
-import android.widget.FrameLayout;
-import android.widget.HorizontalScrollView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.android.dialer.R;
-
-/**
- * Lightweight implementation of ViewPager tabs. This looks similar to traditional actionBar tabs,
- * but allows for the view containing the tabs to be placed anywhere on screen. Text-related
- * attributes can also be assigned in XML - these will get propogated to the child TextViews
- * automatically.
- */
-public class ViewPagerTabs extends HorizontalScrollView implements ViewPager.OnPageChangeListener {
-
-    ViewPager mPager;
-    private ViewPagerTabStrip mTabStrip;
-
-    /**
-     * Linearlayout that will contain the TextViews serving as tabs. This is the only child
-     * of the parent HorizontalScrollView.
-     */
-    final int mTextStyle;
-    final ColorStateList mTextColor;
-    final int mTextSize;
-    final boolean mTextAllCaps;
-    int mPrevSelected = -1;
-    int mSidePadding;
-
-    private static final ViewOutlineProvider VIEW_BOUNDS_OUTLINE_PROVIDER =
-            new ViewOutlineProvider() {
-        @Override
-        public void getOutline(View view, Outline outline) {
-            outline.setRect(0, 0, view.getWidth(), view.getHeight());
-        }
-    };
-
-    private static final int TAB_SIDE_PADDING_IN_DPS = 10;
-
-    // TODO: This should use <declare-styleable> in the future
-    private static final int[] ATTRS = new int[] {
-        android.R.attr.textSize,
-        android.R.attr.textStyle,
-        android.R.attr.textColor,
-        android.R.attr.textAllCaps
-    };
-
-    /**
-     * Simulates actionbar tab behavior by showing a toast with the tab title when long clicked.
-     */
-    private class OnTabLongClickListener implements OnLongClickListener {
-        final int mPosition;
-
-        public OnTabLongClickListener(int position) {
-            mPosition = position;
-        }
-
-        @Override
-        public boolean onLongClick(View v) {
-            final int[] screenPos = new int[2];
-            getLocationOnScreen(screenPos);
-
-            final Context context = getContext();
-            final int width = getWidth();
-            final int height = getHeight();
-            final int screenWidth = context.getResources().getDisplayMetrics().widthPixels;
-
-            Toast toast = Toast.makeText(context, mPager.getAdapter().getPageTitle(mPosition),
-                    Toast.LENGTH_SHORT);
-
-            // Show the toast under the tab
-            toast.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL,
-                    (screenPos[0] + width / 2) - screenWidth / 2, screenPos[1] + height);
-
-            toast.show();
-            return true;
-        }
-    }
-
-    public ViewPagerTabs(Context context) {
-        this(context, null);
-    }
-
-    public ViewPagerTabs(Context context, AttributeSet attrs) {
-        this(context, attrs, 0);
-    }
-
-    public ViewPagerTabs(Context context, AttributeSet attrs, int defStyle) {
-        super(context, attrs, defStyle);
-        setFillViewport(true);
-
-        mSidePadding = (int) (getResources().getDisplayMetrics().density * TAB_SIDE_PADDING_IN_DPS);
-
-        final TypedArray a = context.obtainStyledAttributes(attrs, ATTRS);
-        mTextSize = a.getDimensionPixelSize(0, 0);
-        mTextStyle = a.getInt(1, 0);
-        mTextColor = a.getColorStateList(2);
-        mTextAllCaps = a.getBoolean(3, false);
-
-        mTabStrip = new ViewPagerTabStrip(context);
-        addView(mTabStrip,
-                new FrameLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT));
-        a.recycle();
-
-        // enable shadow casting from view bounds
-        setOutlineProvider(VIEW_BOUNDS_OUTLINE_PROVIDER);
-    }
-
-    public void setViewPager(ViewPager viewPager) {
-        mPager = viewPager;
-        addTabs(mPager.getAdapter());
-    }
-
-    private void addTabs(PagerAdapter adapter) {
-        mTabStrip.removeAllViews();
-
-        final int count = adapter.getCount();
-        for (int i = 0; i < count; i++) {
-            addTab(adapter.getPageTitle(i), i);
-        }
-    }
-
-    private void addTab(CharSequence tabTitle, final int position) {
-        final TextView textView = new TextView(getContext());
-        textView.setText(tabTitle);
-        textView.setBackgroundResource(R.drawable.view_pager_tab_background);
-        textView.setGravity(Gravity.CENTER);
-        textView.setOnClickListener(new OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                mPager.setCurrentItem(position);
-            }
-        });
-
-        textView.setOnLongClickListener(new OnTabLongClickListener(position));
-
-        // Assign various text appearance related attributes to child views.
-        if (mTextStyle > 0) {
-            textView.setTypeface(textView.getTypeface(), mTextStyle);
-        }
-        if (mTextSize > 0) {
-            textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, mTextSize);
-        }
-        if (mTextColor != null) {
-            textView.setTextColor(mTextColor);
-        }
-        textView.setAllCaps(mTextAllCaps);
-        textView.setPadding(mSidePadding, 0, mSidePadding, 0);
-        mTabStrip.addView(textView, new LinearLayout.LayoutParams(LayoutParams.WRAP_CONTENT,
-                LayoutParams.MATCH_PARENT, 1));
-        // Default to the first child being selected
-        if (position == 0) {
-            mPrevSelected = 0;
-            textView.setSelected(true);
-        }
-    }
-
-    @Override
-    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
-        int tabStripChildCount = mTabStrip.getChildCount();
-        if ((tabStripChildCount == 0) || (position < 0) || (position >= tabStripChildCount)) {
-            return;
-        }
-
-        mTabStrip.onPageScrolled(position, positionOffset, positionOffsetPixels);
-        smoothScrollTo(position, 0);
-    }
-
-    @Override
-    public void onPageSelected(int position) {
-        if (mPrevSelected >= 0) {
-            mTabStrip.getChildAt(mPrevSelected).setSelected(false);
-        }
-        final View selectedChild = mTabStrip.getChildAt(position);
-        selectedChild.setSelected(true);
-
-        // Update scroll position
-        final int scrollPos = selectedChild.getLeft() - (getWidth() - selectedChild.getWidth()) / 2;
-        smoothScrollTo(scrollPos, 0);
-        mPrevSelected = position;
-    }
-
-    @Override
-    public void onPageScrollStateChanged(int state) {
-    }
-}
-