Layout aligned to dp grid for portrait (3/3)

Remove old custom view functionality to size based off device height
since we now specify dimensions exactly.

Bug: 131610834
Test: Builds, layout meets spec in portrait mode
Change-Id: Id401f27360f6bb2450d3ffb77888a1f709dc62f8

go/quickstep/res/layout/clear_all_button.xml

@@ -14,7 +14,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<com.android.quickstep.views.ClearAllItemView
+<FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/clear_all_item_view"
     android:layout_width="match_parent"
@@ -30,4 +30,4 @@
         android:textAllCaps="false"
         android:textColor="@color/clear_all_button_text"
         android:textSize="14sp"/>
-</com.android.quickstep.views.ClearAllItemView>
+</FrameLayout>

go/quickstep/src/com/android/quickstep/views/ClearAllItemView.java

@@ -1,41 +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 com.android.quickstep.views;
-
-import static com.android.quickstep.views.TaskLayoutUtils.getClearAllItemHeight;
-
-import android.content.Context;
-import android.util.AttributeSet;
-import android.widget.FrameLayout;
-
-/**
- * Recycler view item that lays out the clear all button and measures the space it takes based on
- * the device height.
- */
-public final class ClearAllItemView extends FrameLayout {
-
-    public ClearAllItemView(Context context, AttributeSet attrs) {
-        super(context, attrs);
-    }
-
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int buttonHeight = getClearAllItemHeight(getContext());
-        int newHeightSpec = MeasureSpec.makeMeasureSpec(buttonHeight, MeasureSpec.EXACTLY);
-        super.onMeasure(widthMeasureSpec, newHeightSpec);
-    }
-}

go/quickstep/src/com/android/quickstep/views/IconRecentsView.java

@@ -215,7 +215,6 @@ public final class IconRecentsView extends FrameLayout {
                     updateContentViewVisibility();
                 }
             });
-            // TODO: Move layout param logic into onMeasure
         }
     }
 

go/quickstep/src/com/android/quickstep/views/TaskItemView.java

@@ -15,8 +15,6 @@
  */
 package com.android.quickstep.views;
 
-import static com.android.quickstep.views.TaskLayoutUtils.getTaskHeight;
-
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
@@ -91,13 +89,6 @@ public final class TaskItemView extends LinearLayout {
         CONTENT_TRANSITION_PROGRESS.setValue(this, 1.0f);
     }
 
-    @Override
-    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        int taskHeight = getTaskHeight(getContext());
-        int newHeightSpec = MeasureSpec.makeMeasureSpec(taskHeight,MeasureSpec.EXACTLY);
-        super.onMeasure(widthMeasureSpec, newHeightSpec);
-    }
-
     /**
      * Resets task item view to empty, loading UI.
      */

go/quickstep/src/com/android/quickstep/views/TaskLayoutUtils.java

@@ -1,59 +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 com.android.quickstep.views;
-
-import static com.android.quickstep.TaskAdapter.MAX_TASKS_TO_DISPLAY;
-
-import android.content.Context;
-
-import com.android.launcher3.InvariantDeviceProfile;
-
-/**
- * Utils to determine dynamically task and view sizes based off the device height and width.
- */
-public final class TaskLayoutUtils {
-
-    private static final float CLEAR_ALL_ITEM_TO_HEIGHT_RATIO = 7.0f / 64;
-
-    private TaskLayoutUtils() {}
-
-    /**
-     * Calculate task height based off the available height in portrait mode such that when the
-     * recents list is full, the total height fills in the available device height perfectly. In
-     * landscape mode, we keep the same task height so that tasks scroll off the top.
-     *
-     * @param context current context
-     * @return task height
-     */
-    public static int getTaskHeight(Context context) {
-        final int availableHeight =
-                InvariantDeviceProfile.INSTANCE.get(context).portraitProfile.availableHeightPx;
-        final int availableTaskSpace = availableHeight - getClearAllItemHeight(context);
-        return (int) (availableTaskSpace * 1.0f / MAX_TASKS_TO_DISPLAY);
-    }
-
-    /**
-     * Calculate clear all item height scaled to available height in portrait mode.
-     *
-     * @param context current context
-     * @return clear all item height
-     */
-    public static int getClearAllItemHeight(Context context) {
-        final int availableHeight =
-                InvariantDeviceProfile.INSTANCE.get(context).portraitProfile.availableHeightPx;
-        return (int) (CLEAR_ALL_ITEM_TO_HEIGHT_RATIO * availableHeight);
-    }
-}