New libhwui test activity

Change-Id: I0ce4bc665f117d7c0ed47670ceb4ed6f9b54d85c
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index b310d93..3a2fe43 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -42,6 +42,15 @@
         </activity>
 
         <activity
+                android:name="DatePickerActivity"
+                android:label="_DatePicker">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <activity
                 android:name="ClipRegionActivity"
                 android:label="_ClipRegion">
             <intent-filter>
diff --git a/tests/HwAccelerationTest/res/layout/date_picker.xml b/tests/HwAccelerationTest/res/layout/date_picker.xml
new file mode 100644
index 0000000..742a03b
--- /dev/null
+++ b/tests/HwAccelerationTest/res/layout/date_picker.xml
@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+**
+** Copyright 2012, 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.
+*/
+-->
+
+<!-- Layout of date picker-->
+
+<!-- The width of this container is manually set a little bigger than the one of the children
+     contained in it. This helps to prevent rounding errors when toggling the "Show year" option -->
+
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              android:orientation="vertical"
+              android:layout_gravity="center_horizontal"
+              android:layout_width="270dip"
+              android:layout_height="wrap_content">
+
+    <CheckBox
+            android:id="@+id/yearToggle"
+            android:text="Provide a year"
+            android:paddingTop="5dip"
+            android:paddingBottom="5dip"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:layout_gravity="center_horizontal"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"/>
+    <!-- Warning: everything within the parent is removed and re-ordered depending
+         on the date format selected by the user. -->
+    <LinearLayout
+            android:id="@+id/parent"
+            android:orientation="horizontal"
+            android:layout_gravity="center_horizontal"
+            android:animateLayoutChanges="true"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content">
+
+        <!-- Month -->
+        <NumberPicker
+                android:id="@+id/month"
+                android:layout_width="80dip"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="1dip"
+                android:layout_marginRight="1dip"
+                android:focusable="true"
+                android:focusableInTouchMode="true"
+                />
+
+        <!-- Day -->
+        <NumberPicker
+                android:id="@+id/day"
+                android:layout_width="80dip"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="1dip"
+                android:layout_marginRight="1dip"
+                android:focusable="true"
+                android:focusableInTouchMode="true"
+                />
+
+        <!-- Year -->
+        <NumberPicker
+                android:id="@+id/year"
+                android:layout_width="95dip"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="1dip"
+                android:layout_marginRight="1dip"
+                android:focusable="true"
+                android:focusableInTouchMode="true"
+                />
+    </LinearLayout>
+</LinearLayout>
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/DatePicker.java b/tests/HwAccelerationTest/src/com/android/test/hwui/DatePicker.java
new file mode 100644
index 0000000..db247e3
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/DatePicker.java
@@ -0,0 +1,474 @@
+/*
+ * Copyright (C) 2012 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.test.hwui;
+
+import android.annotation.Widget;
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.text.format.DateFormat;
+import android.util.AttributeSet;
+import android.util.SparseArray;
+import android.view.ContextThemeWrapper;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
+import android.widget.FrameLayout;
+import android.widget.LinearLayout;
+import android.widget.NumberPicker;
+
+import java.text.DateFormatSymbols;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+/**
+ * A view for selecting a month / year / day based on a calendar like layout.
+ *
+ * <p>See the <a href="{@docRoot}resources/tutorials/views/hello-datepicker.html">Date Picker
+ * tutorial</a>.</p>
+ *
+ * For a dialog using this view, see {@link android.app.DatePickerDialog}.
+ */
+@Widget
+public class DatePicker extends FrameLayout {
+
+    private static final int DEFAULT_START_YEAR = 1900;
+    private static final int DEFAULT_END_YEAR = 2100;
+
+    /* UI Components */
+    private final CheckBox mYearToggle;
+    private final NumberPicker mDayPicker;
+    private final NumberPicker mMonthPicker;
+    private final NumberPicker mYearPicker;
+
+    /**
+     * How we notify users the date has changed.
+     */
+    private OnDateChangedListener mOnDateChangedListener;
+
+    private int mDay;
+    private int mMonth;
+    private int mYear;
+    private boolean mYearOptional = true;
+    private boolean mHasYear;
+
+    /**
+     * The callback used to indicate the user changes the date.
+     */
+    public interface OnDateChangedListener {
+
+        /**
+         * @param view The view associated with this listener.
+         * @param year The year that was set.
+         * @param monthOfYear The month that was set (0-11) for compatibility
+         *  with {@link java.util.Calendar}.
+         * @param dayOfMonth The day of the month that was set.
+         */
+        void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth);
+    }
+
+    public DatePicker(Context context) {
+        this(context, null);
+    }
+
+    public DatePicker(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    @SuppressWarnings("deprecation")
+    public DatePicker(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+
+        ContextThemeWrapper themed = new ContextThemeWrapper(context,
+                com.android.internal.R.style.Theme_Holo_Light_Dialog_Alert);
+        LayoutInflater inflater = (LayoutInflater) themed.getSystemService(
+                        Context.LAYOUT_INFLATER_SERVICE);
+        inflater.inflate(R.layout.date_picker, this, true);
+
+        mDayPicker = (NumberPicker) findViewById(R.id.day);
+        mDayPicker.setFormatter(NumberPicker.TWO_DIGIT_FORMATTER);
+        mDayPicker.setOnLongPressUpdateInterval(100);
+        mDayPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+            public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+                mDay = newVal;
+                notifyDateChanged();
+            }
+        });
+        mMonthPicker = (NumberPicker) findViewById(R.id.month);
+        mMonthPicker.setFormatter(NumberPicker.TWO_DIGIT_FORMATTER);
+        DateFormatSymbols dfs = new DateFormatSymbols();
+        String[] months = dfs.getShortMonths();
+
+        /*
+         * If the user is in a locale where the month names are numeric,
+         * use just the number instead of the "month" character for
+         * consistency with the other fields.
+         */
+        if (months[0].startsWith("1")) {
+            for (int i = 0; i < months.length; i++) {
+                months[i] = String.valueOf(i + 1);
+            }
+            mMonthPicker.setMinValue(1);
+            mMonthPicker.setMaxValue(12);
+        } else {
+            mMonthPicker.setMinValue(1);
+            mMonthPicker.setMaxValue(12);
+            mMonthPicker.setDisplayedValues(months);
+        }
+
+        mMonthPicker.setOnLongPressUpdateInterval(200);
+        mMonthPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+            public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+
+                /* We display the month 1-12 but store it 0-11 so always
+                 * subtract by one to ensure our internal state is always 0-11
+                 */
+                mMonth = newVal - 1;
+                // Adjust max day of the month
+                adjustMaxDay();
+                notifyDateChanged();
+                updateDaySpinner();
+            }
+        });
+        mYearPicker = (NumberPicker) findViewById(R.id.year);
+        mYearPicker.setOnLongPressUpdateInterval(100);
+        mYearPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener() {
+            public void onValueChange(NumberPicker picker, int oldVal, int newVal) {
+                mYear = newVal;
+                // Adjust max day for leap years if needed
+                adjustMaxDay();
+                notifyDateChanged();
+                updateDaySpinner();
+            }
+        });
+
+        mYearToggle = (CheckBox) findViewById(R.id.yearToggle);
+        mYearToggle.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                mHasYear = isChecked;
+                adjustMaxDay();
+                notifyDateChanged();
+                updateSpinners();
+            }
+        });
+
+        // attributes
+        TypedArray a = context.obtainStyledAttributes(attrs,
+                com.android.internal.R.styleable.DatePicker);
+
+        int mStartYear =
+                a.getInt(com.android.internal.R.styleable.DatePicker_startYear, DEFAULT_START_YEAR);
+        int mEndYear =
+                a.getInt(com.android.internal.R.styleable.DatePicker_endYear, DEFAULT_END_YEAR);
+        mYearPicker.setMinValue(mStartYear);
+        mYearPicker.setMaxValue(mEndYear);
+
+        a.recycle();
+
+        // initialize to current date
+        Calendar cal = Calendar.getInstance();
+        init(cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH), null);
+
+        // re-order the number pickers to match the current date format
+        reorderPickers(months);
+
+        if (!isEnabled()) {
+            setEnabled(false);
+        }
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        super.setEnabled(enabled);
+        mDayPicker.setEnabled(enabled);
+        mMonthPicker.setEnabled(enabled);
+        mYearPicker.setEnabled(enabled);
+    }
+
+    private void reorderPickers(String[] months) {
+        java.text.DateFormat format;
+        String order;
+
+        /*
+         * If the user is in a locale where the medium date format is
+         * still numeric (Japanese and Czech, for example), respect
+         * the date format order setting.  Otherwise, use the order
+         * that the locale says is appropriate for a spelled-out date.
+         */
+
+        if (months[0].startsWith("1")) {
+            format = DateFormat.getDateFormat(getContext());
+        } else {
+            format = DateFormat.getMediumDateFormat(getContext());
+        }
+
+        if (format instanceof SimpleDateFormat) {
+            order = ((SimpleDateFormat) format).toPattern();
+        } else {
+            // Shouldn't happen, but just in case.
+            order = new String(DateFormat.getDateFormatOrder(getContext()));
+        }
+
+        /* Remove the 3 pickers from their parent and then add them back in the
+         * required order.
+         */
+        LinearLayout parent = (LinearLayout) findViewById(R.id.parent);
+        parent.removeAllViews();
+
+        boolean quoted = false;
+        boolean didDay = false, didMonth = false, didYear = false;
+
+        for (int i = 0; i < order.length(); i++) {
+            char c = order.charAt(i);
+
+            if (c == '\'') {
+                quoted = !quoted;
+            }
+
+            if (!quoted) {
+                if (c == DateFormat.DATE && !didDay) {
+                    parent.addView(mDayPicker);
+                    didDay = true;
+                } else if ((c == DateFormat.MONTH || c == 'L') && !didMonth) {
+                    parent.addView(mMonthPicker);
+                    didMonth = true;
+                } else if (c == DateFormat.YEAR && !didYear) {
+                    parent.addView (mYearPicker);
+                    didYear = true;
+                }
+            }
+        }
+
+        // Shouldn't happen, but just in case.
+        if (!didMonth) {
+            parent.addView(mMonthPicker);
+        }
+        if (!didDay) {
+            parent.addView(mDayPicker);
+        }
+        if (!didYear) {
+            parent.addView(mYearPicker);
+        }
+    }
+
+    public void updateDate(int year, int monthOfYear, int dayOfMonth) {
+        if (mYear != year || mMonth != monthOfYear || mDay != dayOfMonth) {
+            mYear = (mYearOptional && year == 0) ? getCurrentYear() : year;
+            mMonth = monthOfYear;
+            mDay = dayOfMonth;
+            updateSpinners();
+            reorderPickers(new DateFormatSymbols().getShortMonths());
+            notifyDateChanged();
+        }
+    }
+
+    private static int getCurrentYear() {
+        return Calendar.getInstance().get(Calendar.YEAR);
+    }
+
+    private static class SavedState extends BaseSavedState {
+
+        private final int mYear;
+        private final int mMonth;
+        private final int mDay;
+        private final boolean mHasYear;
+        private final boolean mYearOptional;
+
+        /**
+         * Constructor called from {@link DatePicker#onSaveInstanceState()}
+         */
+        private SavedState(Parcelable superState, int year, int month, int day, boolean hasYear,
+                boolean yearOptional) {
+            super(superState);
+            mYear = year;
+            mMonth = month;
+            mDay = day;
+            mHasYear = hasYear;
+            mYearOptional = yearOptional;
+        }
+
+        /**
+         * Constructor called from {@link #CREATOR}
+         */
+        private SavedState(Parcel in) {
+            super(in);
+            mYear = in.readInt();
+            mMonth = in.readInt();
+            mDay = in.readInt();
+            mHasYear = in.readInt() != 0;
+            mYearOptional = in.readInt() != 0;
+        }
+
+        public int getYear() {
+            return mYear;
+        }
+
+        public int getMonth() {
+            return mMonth;
+        }
+
+        public int getDay() {
+            return mDay;
+        }
+
+        public boolean hasYear() {
+            return mHasYear;
+        }
+
+        public boolean isYearOptional() {
+            return mYearOptional;
+        }
+
+        @Override
+        public void writeToParcel(Parcel dest, int flags) {
+            super.writeToParcel(dest, flags);
+            dest.writeInt(mYear);
+            dest.writeInt(mMonth);
+            dest.writeInt(mDay);
+            dest.writeInt(mHasYear ? 1 : 0);
+            dest.writeInt(mYearOptional ? 1 : 0);
+        }
+
+        @SuppressWarnings("unused")
+        public static final Parcelable.Creator<SavedState> CREATOR =
+                new Creator<SavedState>() {
+
+                    public SavedState createFromParcel(Parcel in) {
+                        return new SavedState(in);
+                    }
+
+                    public SavedState[] newArray(int size) {
+                        return new SavedState[size];
+                    }
+                };
+    }
+
+
+    /**
+     * Override so we are in complete control of save / restore for this widget.
+     */
+    @Override
+    protected void dispatchRestoreInstanceState(SparseArray<Parcelable> container) {
+        dispatchThawSelfOnly(container);
+    }
+
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        Parcelable superState = super.onSaveInstanceState();
+
+        return new SavedState(superState, mYear, mMonth, mDay, mHasYear, mYearOptional);
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        SavedState ss = (SavedState) state;
+        super.onRestoreInstanceState(ss.getSuperState());
+        mYear = ss.getYear();
+        mMonth = ss.getMonth();
+        mDay = ss.getDay();
+        mHasYear = ss.hasYear();
+        mYearOptional = ss.isYearOptional();
+        updateSpinners();
+    }
+
+    /**
+     * Initialize the state.
+     * @param year The initial year.
+     * @param monthOfYear The initial month.
+     * @param dayOfMonth The initial day of the month.
+     * @param onDateChangedListener How user is notified date is changed by user, can be null.
+     */
+    public void init(int year, int monthOfYear, int dayOfMonth,
+            OnDateChangedListener onDateChangedListener) {
+        init(year, monthOfYear, dayOfMonth, false, onDateChangedListener);
+    }
+
+    /**
+     * Initialize the state.
+     * @param year The initial year or 0 if no year has been specified
+     * @param monthOfYear The initial month.
+     * @param dayOfMonth The initial day of the month.
+     * @param yearOptional True if the user can toggle the year
+     * @param onDateChangedListener How user is notified date is changed by user, can be null.
+     */
+    public void init(int year, int monthOfYear, int dayOfMonth, boolean yearOptional,
+            OnDateChangedListener onDateChangedListener) {
+        mYear = (yearOptional && year == 0) ? getCurrentYear() : year;
+        mMonth = monthOfYear;
+        mDay = dayOfMonth;
+        mYearOptional = yearOptional;
+        mHasYear = !yearOptional || (year != 0);
+        mOnDateChangedListener = onDateChangedListener;
+        updateSpinners();
+    }
+
+    private void updateSpinners() {
+        updateDaySpinner();
+        mYearToggle.setChecked(mHasYear);
+        mYearToggle.setVisibility(mYearOptional ? View.VISIBLE : View.GONE);
+        mYearPicker.setValue(mYear);
+        mYearPicker.setVisibility(mHasYear ? View.VISIBLE : View.GONE);
+
+        /* The month display uses 1-12 but our internal state stores it
+         * 0-11 so add one when setting the display.
+         */
+        mMonthPicker.setValue(mMonth + 1);
+    }
+
+    private void updateDaySpinner() {
+        Calendar cal = Calendar.getInstance();
+        // if year was not set, use 2000 as it was a leap year
+        cal.set(mHasYear ? mYear : 2000, mMonth, 1);
+        int max = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
+        mDayPicker.setMinValue(1);
+        mDayPicker.setMaxValue(max);
+        mDayPicker.setValue(mDay);
+    }
+
+    public int getYear() {
+        return (mYearOptional && !mHasYear) ? 0 : mYear;
+    }
+
+    public int getMonth() {
+        return mMonth;
+    }
+
+    public int getDayOfMonth() {
+        return mDay;
+    }
+
+    private void adjustMaxDay(){
+        Calendar cal = Calendar.getInstance();
+        // if year was not set, use 2000 as it was a leap year
+        cal.set(Calendar.YEAR, mHasYear ? mYear : 2000);
+        cal.set(Calendar.MONTH, mMonth);
+        int max = cal.getActualMaximum(Calendar.DAY_OF_MONTH);
+        if (mDay > max) {
+            mDay = max;
+        }
+    }
+
+    private void notifyDateChanged() {
+        if (mOnDateChangedListener != null) {
+            int year = (mYearOptional && !mHasYear) ? 0 : mYear;
+            mOnDateChangedListener.onDateChanged(DatePicker.this, year, mMonth, mDay);
+        }
+    }
+}
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/DatePickerActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/DatePickerActivity.java
new file mode 100644
index 0000000..5482ee2
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/DatePickerActivity.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright (C) 2010 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.test.hwui;
+
+import android.app.Activity;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Bundle;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class DatePickerActivity extends Activity {
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        DatePicker picker = new DatePicker(this);
+        picker.init(2012, 3, 3, true, new DatePicker.OnDateChangedListener() {
+            @Override
+            public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
+            }
+        });
+        setContentView(picker);
+        getWindow().setBackgroundDrawable(new ColorDrawable(0xffffffff));
+    }
+}