Controls API - Remove unnecessary templates

DiscreteToggleTemplate and CoordinatedRangeTemplate are no longer
necessary. DiscreteToggletemplate is being replaced by
StatelessTemplate, and there is no need for the latter.

Bug: 149476062
Test: atest ControlTemplateTest
Change-Id: I2cdd3d26c0b306876a47783ead257754966a339c
diff --git a/api/current.txt b/api/current.txt
index ac52e58..f5a057d 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -43532,7 +43532,6 @@
     method public abstract int getTemplateType();
     field @NonNull public static final android.service.controls.templates.ControlTemplate ERROR_TEMPLATE;
     field @NonNull public static final android.service.controls.templates.ControlTemplate NO_TEMPLATE;
-    field public static final int TYPE_DISCRETE_TOGGLE = 4; // 0x4
     field public static final int TYPE_ERROR = -1; // 0xffffffff
     field public static final int TYPE_NONE = 0; // 0x0
     field public static final int TYPE_RANGE = 2; // 0x2
@@ -43543,30 +43542,6 @@
     field public static final int TYPE_TOGGLE_RANGE = 6; // 0x6
   }
 
-  public final class CoordinatedRangeTemplate extends android.service.controls.templates.ControlTemplate {
-    ctor public CoordinatedRangeTemplate(@NonNull String, float, @NonNull android.service.controls.templates.RangeTemplate, @NonNull android.service.controls.templates.RangeTemplate);
-    ctor public CoordinatedRangeTemplate(@NonNull String, float, float, float, float, float, float, float, float, @Nullable CharSequence);
-    method public float getCurrentValueHigh();
-    method public float getCurrentValueLow();
-    method @NonNull public CharSequence getFormatString();
-    method public float getMaxValueHigh();
-    method public float getMaxValueLow();
-    method public float getMinGap();
-    method public float getMinValueHigh();
-    method public float getMinValueLow();
-    method @NonNull public android.service.controls.templates.RangeTemplate getRangeHigh();
-    method @NonNull public android.service.controls.templates.RangeTemplate getRangeLow();
-    method public float getStepValue();
-    method public int getTemplateType();
-  }
-
-  public final class DiscreteToggleTemplate extends android.service.controls.templates.ControlTemplate {
-    ctor public DiscreteToggleTemplate(@NonNull String, @NonNull android.service.controls.templates.ControlButton, @NonNull android.service.controls.templates.ControlButton);
-    method @NonNull public android.service.controls.templates.ControlButton getNegativeButton();
-    method @NonNull public android.service.controls.templates.ControlButton getPositiveButton();
-    method public int getTemplateType();
-  }
-
   public final class RangeTemplate extends android.service.controls.templates.ControlTemplate {
     ctor public RangeTemplate(@NonNull String, float, float, float, float, @Nullable CharSequence);
     method public float getCurrentValue();
diff --git a/core/java/android/service/controls/templates/ControlTemplate.java b/core/java/android/service/controls/templates/ControlTemplate.java
index d2c0f76..a5156e3 100644
--- a/core/java/android/service/controls/templates/ControlTemplate.java
+++ b/core/java/android/service/controls/templates/ControlTemplate.java
@@ -74,8 +74,6 @@
             TYPE_TOGGLE,
             TYPE_RANGE,
             TYPE_THUMBNAIL,
-            TYPE_DISCRETE_TOGGLE,
-            TYPE_COORD_RANGE,
             TYPE_TOGGLE_RANGE,
             TYPE_TEMPERATURE,
             TYPE_STATELESS
@@ -104,16 +102,6 @@
      */
     public static final @TemplateType int TYPE_THUMBNAIL = 3;
 
-    /**
-     * Type identifier of {@link DiscreteToggleTemplate}.
-     */
-    public static final @TemplateType int TYPE_DISCRETE_TOGGLE = 4;
-
-    /**
-     * @hide
-     */
-    public static final @TemplateType int TYPE_COORD_RANGE = 5;
-
     public static final @TemplateType int TYPE_TOGGLE_RANGE = 6;
 
     public static final @TemplateType int TYPE_TEMPERATURE = 7;
@@ -190,10 +178,6 @@
                     return new RangeTemplate(bundle);
                 case TYPE_THUMBNAIL:
                     return new ThumbnailTemplate(bundle);
-                case TYPE_DISCRETE_TOGGLE:
-                    return new DiscreteToggleTemplate(bundle);
-                case TYPE_COORD_RANGE:
-                    return new CoordinatedRangeTemplate(bundle);
                 case TYPE_TOGGLE_RANGE:
                     return new ToggleRangeTemplate(bundle);
                 case TYPE_TEMPERATURE:
diff --git a/core/java/android/service/controls/templates/CoordinatedRangeTemplate.java b/core/java/android/service/controls/templates/CoordinatedRangeTemplate.java
deleted file mode 100644
index 6aa5480..0000000
--- a/core/java/android/service/controls/templates/CoordinatedRangeTemplate.java
+++ /dev/null
@@ -1,168 +0,0 @@
-/*
- * Copyright (C) 2019 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 android.service.controls.templates;
-
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-import android.os.Bundle;
-import android.util.Log;
-
-public final class CoordinatedRangeTemplate extends ControlTemplate {
-
-    private static final String TAG = "CoordinatedRangeTemplate";
-
-    private static final @TemplateType int TYPE = TYPE_COORD_RANGE;
-    private static final String KEY_RANGE_LOW = "key_range_low";
-    private static final String KEY_RANGE_HIGH = "key_range_high";
-    private static final String KEY_MIN_GAP = "key_min_gap";
-
-    private final @NonNull RangeTemplate mRangeLow;
-    private final @NonNull RangeTemplate mRangeHigh;
-    private final float mMinGap;
-
-    public CoordinatedRangeTemplate(
-            @NonNull String templateId,
-            float minGap,
-            @NonNull RangeTemplate rangeLow,
-            @NonNull RangeTemplate rangeHigh) {
-        super(templateId);
-        mRangeLow = rangeLow;
-        mRangeHigh = rangeHigh;
-        if (minGap < 0) {
-            Log.e(TAG, "minGap must be non-negative. Setting to 0");
-            mMinGap = 0;
-        } else {
-            mMinGap = minGap;
-        }
-        validateRanges();
-    }
-
-    public CoordinatedRangeTemplate(
-            @NonNull String templateId,
-            float minGap,
-            float minValueLow,
-            float maxValueLow,
-            float currentValueLow,
-            float minValueHigh,
-            float maxValueHigh,
-            float currentValueHigh,
-            float stepValue,
-            @Nullable CharSequence formatString) {
-        this(templateId,
-                minGap,
-            new RangeTemplate("",
-                minValueLow, maxValueLow, currentValueLow, stepValue, formatString),
-            new RangeTemplate("",
-                minValueHigh, maxValueHigh, currentValueHigh, stepValue, formatString));
-    }
-
-    /**
-     * @param b
-     * @hide
-     */
-    CoordinatedRangeTemplate(Bundle b) {
-        super(b);
-        mRangeLow = new RangeTemplate(b.getBundle(KEY_RANGE_LOW));
-        mRangeHigh = new RangeTemplate(b.getBundle(KEY_RANGE_HIGH));
-        mMinGap = b.getFloat(KEY_MIN_GAP);
-        validateRanges();
-    }
-
-    @NonNull
-    public RangeTemplate getRangeLow() {
-        return mRangeLow;
-    }
-
-    @NonNull
-    public RangeTemplate getRangeHigh() {
-        return mRangeHigh;
-    }
-
-    public float getMinValueLow() {
-        return mRangeLow.getMinValue();
-    }
-
-    public float getMaxValueLow() {
-        return mRangeLow.getMaxValue();
-    }
-
-    public float getCurrentValueLow() {
-        return mRangeLow.getCurrentValue();
-    }
-
-    public float getMinValueHigh() {
-        return mRangeHigh.getMinValue();
-    }
-
-    public float getMaxValueHigh() {
-        return mRangeHigh.getMaxValue();
-    }
-
-    public float getCurrentValueHigh() {
-        return mRangeHigh.getCurrentValue();
-    }
-
-    public float getStepValue() {
-        return mRangeLow.getStepValue();
-    }
-
-    public float getMinGap() {
-        return mMinGap;
-    }
-
-    @NonNull
-    public CharSequence getFormatString() {
-        return mRangeLow.getFormatString();
-    }
-
-    @Override
-    public int getTemplateType() {
-        return TYPE;
-    }
-
-    /**
-     * @return
-     * @hide
-     */
-    @Override
-    @NonNull
-    Bundle getDataBundle() {
-        Bundle b = super.getDataBundle();
-        b.putBundle(KEY_RANGE_LOW, mRangeLow.getDataBundle());
-        b.putBundle(KEY_RANGE_HIGH, mRangeHigh.getDataBundle());
-        return b;
-    }
-
-    private void validateRanges() {
-        if (Float.compare(mRangeLow.getStepValue(), mRangeHigh.getStepValue()) != 0) {
-            throw new IllegalArgumentException(
-                    String.format("lowStepValue=%f != highStepValue=%f",
-                            mRangeLow.getStepValue(), mRangeHigh.getStepValue()));
-        }
-        if (!mRangeLow.getFormatString().equals(mRangeHigh.getFormatString())) {
-            throw new IllegalArgumentException(
-                    String.format("lowFormatString=%s != highFormatString=%s",
-                            mRangeLow.getFormatString(), mRangeHigh.getFormatString()));
-        }
-        if (mMinGap > mRangeHigh.getCurrentValue() - mRangeLow.getCurrentValue()) {
-            throw new IllegalArgumentException(
-                    String.format("Minimum gap (%f) > Current gap (%f)", mMinGap,
-                            mRangeHigh.getCurrentValue() - mRangeLow.getCurrentValue()));
-        }
-    }
-
-}
diff --git a/core/java/android/service/controls/templates/DiscreteToggleTemplate.java b/core/java/android/service/controls/templates/DiscreteToggleTemplate.java
deleted file mode 100644
index 7a1331a..0000000
--- a/core/java/android/service/controls/templates/DiscreteToggleTemplate.java
+++ /dev/null
@@ -1,107 +0,0 @@
-/*
- * Copyright (C) 2019 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 android.service.controls.templates;
-
-import android.annotation.NonNull;
-import android.os.Bundle;
-import android.service.controls.Control;
-import android.service.controls.actions.BooleanAction;
-
-import com.android.internal.util.Preconditions;
-
-/**
- * A template for a {@link Control} with two discrete inputs.
- *
- * The two inputs represent a <i>Negative</i> input and a <i>Positive</i> input.
- * <p>
- * When one of the buttons is actioned, a {@link BooleanAction} will be sent.
- * {@link BooleanAction#getNewState} will be {@code false} if the button was
- * {@link DiscreteToggleTemplate#getNegativeButton} and {@code true} if the button was
- * {@link DiscreteToggleTemplate#getPositiveButton}.
- */
-public final class DiscreteToggleTemplate extends ControlTemplate {
-
-    private static final @TemplateType int TYPE = TYPE_DISCRETE_TOGGLE;
-    private static final String KEY_NEGATIVE_BUTTON = "key_negative_button";
-    private static final String KEY_POSITIVE_BUTTON = "key_positive_button";
-
-    private final @NonNull ControlButton mPositiveButton;
-    private final @NonNull ControlButton mNegativeButton;
-
-    /**
-     * @param templateId the identifier for this template object
-     * @param negativeButton a {@link ControlButton} for the <i>Negative</i> input
-     * @param positiveButton a {@link ControlButton} for the <i>Positive</i> input
-     */
-    public DiscreteToggleTemplate(@NonNull String templateId,
-            @NonNull ControlButton negativeButton,
-            @NonNull ControlButton positiveButton) {
-        super(templateId);
-        Preconditions.checkNotNull(negativeButton);
-        Preconditions.checkNotNull(positiveButton);
-        mNegativeButton = negativeButton;
-        mPositiveButton = positiveButton;
-    }
-
-    /**
-     * @param b
-     * @hide
-     */
-    DiscreteToggleTemplate(Bundle b) {
-        super(b);
-        mNegativeButton = b.getParcelable(KEY_NEGATIVE_BUTTON);
-        mPositiveButton = b.getParcelable(KEY_POSITIVE_BUTTON);
-    }
-
-    /**
-     * The {@link ControlButton} associated with the <i>Negative</i> action.
-     */
-    @NonNull
-    public ControlButton getNegativeButton() {
-        return mNegativeButton;
-    }
-
-    /**
-     * The {@link ControlButton} associated with the <i>Positive</i> action.
-     */
-    @NonNull
-    public ControlButton getPositiveButton() {
-        return mPositiveButton;
-    }
-
-    /**
-     * @return {@link ControlTemplate#TYPE_DISCRETE_TOGGLE}
-     */
-    @Override
-    public int getTemplateType() {
-        return TYPE;
-    }
-
-    /**
-     * @return
-     * @hide
-     */
-    @Override
-    @NonNull
-    Bundle getDataBundle() {
-        Bundle b = super.getDataBundle();
-        b.putParcelable(KEY_NEGATIVE_BUTTON, mNegativeButton);
-        b.putParcelable(KEY_POSITIVE_BUTTON, mPositiveButton);
-        return b;
-    }
-
-}
diff --git a/core/tests/coretests/src/android/service/controls/templates/ControlTemplateTest.java b/core/tests/coretests/src/android/service/controls/templates/ControlTemplateTest.java
index c9b5eec..292ac09 100644
--- a/core/tests/coretests/src/android/service/controls/templates/ControlTemplateTest.java
+++ b/core/tests/coretests/src/android/service/controls/templates/ControlTemplateTest.java
@@ -113,54 +113,6 @@
     }
 
     @Test
-    public void testUnparcelingCorrectClass_discreteToggle() {
-        ControlTemplate toParcel =
-                new DiscreteToggleTemplate(TEST_ID, mControlButton, mControlButton);
-
-        ControlTemplate fromParcel = parcelAndUnparcel(toParcel);
-
-        assertEquals(ControlTemplate.TYPE_DISCRETE_TOGGLE, fromParcel.getTemplateType());
-        assertTrue(fromParcel instanceof DiscreteToggleTemplate);
-    }
-
-    @Test
-    public void testUnparcelingCorrectClass_coordRange() {
-        ControlTemplate toParcel =
-                new CoordinatedRangeTemplate(TEST_ID, 0.1f,  0, 1, 0.5f, 1, 2, 1.5f, 0.1f, "%f");
-        ControlTemplate fromParcel = parcelAndUnparcel(toParcel);
-        assertEquals(ControlTemplate.TYPE_COORD_RANGE, fromParcel.getTemplateType());
-        assertTrue(fromParcel instanceof CoordinatedRangeTemplate);
-    }
-
-    @Test
-    public void testCoordRangeParameters_negativeMinGap() {
-        CoordinatedRangeTemplate template =
-                new CoordinatedRangeTemplate(TEST_ID, -0.1f,  0, 1, 0.5f, 1, 2, 1.5f, 0.1f, "%f");
-        assertEquals(0, template.getMinGap(), 0);
-    }
-
-    @Test(expected = IllegalArgumentException.class)
-    public void testCoordRangeParameters_differentStep() {
-        RangeTemplate rangeLow = new RangeTemplate(TEST_ID, 0, 1, 0.5f, 0.1f, "%f");
-        RangeTemplate rangeHigh = new RangeTemplate(TEST_ID, 0, 1, 0.75f, 0.2f, "%f");
-        new CoordinatedRangeTemplate(TEST_ID, 0.1f, rangeLow, rangeHigh);
-    }
-
-    @Test(expected = IllegalArgumentException.class)
-    public void testCoordRangeParameters_differentFormat() {
-        RangeTemplate rangeLow = new RangeTemplate(TEST_ID, 0, 1, 0.5f, 0.1f, "%f");
-        RangeTemplate rangeHigh = new RangeTemplate(TEST_ID, 0, 1, 0.75f, 0.1f, "%.1f");
-        new CoordinatedRangeTemplate(TEST_ID, 0.1f, rangeLow, rangeHigh);
-    }
-
-    @Test(expected = IllegalArgumentException.class)
-    public void testCoordRangeParameters_LargeMinGap() {
-        RangeTemplate rangeLow = new RangeTemplate(TEST_ID, 0, 1, 0.5f, 0.1f, "%f");
-        RangeTemplate rangeHigh = new RangeTemplate(TEST_ID, 0, 1, 0.75f, 0.1f, "%f");
-        new CoordinatedRangeTemplate(TEST_ID, 0.5f, rangeLow, rangeHigh);
-    }
-
-    @Test
     public void testUnparcelingCorrectClass_toggleRange() {
         ControlTemplate toParcel = new ToggleRangeTemplate(TEST_ID, mControlButton,
                 new RangeTemplate(TEST_ID, 0, 2, 1, 1, "%f"));