Change layout size to be dependent on device size

This CL changes the layout sizes to be dependent on device height as
opposed to static values so that it works on different decides out of
the box.

Bug: 114136250
Test: Tested how layout looks on marlin_svelte and walleye
Change-Id: Ie000bc797d7dd2e38cd705d54f3e09c79e1a2176
(cherry picked from c06522c826)

go/quickstep/res/layout/icon_recents_root_view.xml

@@ -33,10 +33,9 @@
             android:scrollbars="none"/>
         <Button
             android:id="@+id/clear_all_button"
-            android:layout_width="@dimen/clear_all_button_width"
+            android:layout_width="wrap_content"
-            android:layout_height="@dimen/clear_all_button_height"
+            android:layout_height="wrap_content"
             android:layout_gravity="center_horizontal"
-            android:layout_marginVertical="@dimen/task_item_half_vert_margin"
             android:background="@drawable/clear_all_button"
             android:gravity="center"
             android:text="@string/recents_clear_all"

go/quickstep/res/layout/task_item_view.xml

@@ -21,20 +21,19 @@
     android:orientation="horizontal">
     <FrameLayout
         android:id="@+id/task_icon_and_thumbnail"
-        android:layout_width="@dimen/task_thumbnail_and_icon_view_size"
+        android:layout_width="match_parent"
-        android:layout_height="@dimen/task_thumbnail_and_icon_view_size"
+        android:layout_height="match_parent"
         android:layout_gravity="center_vertical"
-        android:layout_marginHorizontal="8dp"
+        android:layout_marginHorizontal="8dp">
-        android:layout_marginVertical="@dimen/task_item_half_vert_margin">
         <ImageView
             android:id="@+id/task_thumbnail"
-            android:layout_width="@dimen/task_thumbnail_width"
+            android:layout_width="wrap_content"
-            android:layout_height="@dimen/task_thumbnail_height"
+            android:layout_height="match_parent"
             android:layout_gravity="top|start"/>
         <ImageView
             android:id="@+id/task_icon"
-            android:layout_width="@dimen/task_icon_size"
+            android:layout_width="wrap_content"
-            android:layout_height="@dimen/task_icon_size"
+            android:layout_height="wrap_content"
             android:layout_gravity="bottom|end"/>
     </FrameLayout>
     <TextView

go/quickstep/res/values/dimens.xml

@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     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.
--->
-<resources>
-    <dimen name="task_item_half_vert_margin">8dp</dimen>
-    <dimen name="task_thumbnail_and_icon_view_size">60dp</dimen>
-    <dimen name="task_thumbnail_height">60dp</dimen>
-    <dimen name="task_thumbnail_width">36dp</dimen>
-    <dimen name="task_icon_size">36dp</dimen>
-
-    <dimen name="clear_all_button_width">106dp</dimen>
-    <dimen name="clear_all_button_height">36dp</dimen>
-</resources>

go/quickstep/src/com/android/quickstep/TaskAdapter.java

@@ -15,12 +15,18 @@
  */
 package com.android.quickstep;
 
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+
+import static com.android.quickstep.views.TaskLayoutUtils.getTaskHeight;
+import static com.android.quickstep.views.TaskLayoutUtils.getTaskTopMargin;
+
 import android.view.LayoutInflater;
 import android.view.ViewGroup;
 
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView.Adapter;
 
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.quickstep.views.TaskItemView;
 import com.android.systemui.shared.recents.model.Task;
@@ -35,15 +41,17 @@ import java.util.Objects;
 public final class TaskAdapter extends Adapter<TaskHolder> {
 
     public static final int CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT = 0;
+    public static final int MAX_TASKS_TO_DISPLAY = 6;
 
-    private static final int MAX_TASKS_TO_DISPLAY = 6;
     private static final String TAG = "TaskAdapter";
     private final TaskListLoader mLoader;
+    private final DeviceProfile mDeviceProfile;
     private TaskActionController mTaskActionController;
     private boolean mIsShowingLoadingUi;
 
-    public TaskAdapter(@NonNull TaskListLoader loader) {
+    public TaskAdapter(@NonNull TaskListLoader loader, DeviceProfile dp) {
         mLoader = loader;
+        mDeviceProfile = dp;
     }
 
     public void setActionController(TaskActionController taskActionController) {
@@ -66,6 +74,11 @@ public final class TaskAdapter extends Adapter<TaskHolder> {
     public TaskHolder onCreateViewHolder(ViewGroup parent, int viewType) {
         TaskItemView itemView = (TaskItemView) LayoutInflater.from(parent.getContext())
                 .inflate(R.layout.task_item_view, parent, false);
+        ViewGroup.MarginLayoutParams itemViewParams =
+                (ViewGroup.MarginLayoutParams) itemView.getLayoutParams();
+        itemViewParams.width = MATCH_PARENT;
+        itemViewParams.height = getTaskHeight(mDeviceProfile);
+        itemViewParams.topMargin = getTaskTopMargin(mDeviceProfile);
         TaskHolder holder = new TaskHolder(itemView);
         itemView.setOnClickListener(view -> mTaskActionController.launchTask(holder));
         return holder;

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

@@ -18,6 +18,10 @@ package com.android.quickstep.views;
 import static androidx.recyclerview.widget.LinearLayoutManager.VERTICAL;
 
 import static com.android.quickstep.TaskAdapter.CHANGE_EVENT_TYPE_EMPTY_TO_CONTENT;
+import static com.android.quickstep.views.TaskLayoutUtils.getClearAllButtonHeight;
+import static com.android.quickstep.views.TaskLayoutUtils.getClearAllButtonTopBottomMargin;
+import static com.android.quickstep.views.TaskLayoutUtils.getClearAllButtonWidth;
+import static com.android.quickstep.views.TaskLayoutUtils.getTaskListHeight;
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
@@ -31,6 +35,7 @@ import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.view.View;
 import android.view.ViewDebug;
+import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.widget.FrameLayout;
 
@@ -43,6 +48,8 @@ import androidx.recyclerview.widget.RecyclerView;
 import androidx.recyclerview.widget.RecyclerView.AdapterDataObserver;
 import androidx.recyclerview.widget.RecyclerView.OnChildAttachStateChangeListener;
 
+import com.android.launcher3.BaseActivity;
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.quickstep.ContentFillItemAnimator;
 import com.android.quickstep.RecentsToActivityHelper;
@@ -96,6 +103,7 @@ public final class IconRecentsView extends FrameLayout {
     private final DefaultItemAnimator mDefaultItemAnimator = new DefaultItemAnimator();
     private final ContentFillItemAnimator mLoadingContentItemAnimator =
             new ContentFillItemAnimator();
+    private final DeviceProfile mDeviceProfile;
 
     private RecentsToActivityHelper mActivityHelper;
     private RecyclerView mTaskRecyclerView;
@@ -109,9 +117,11 @@ public final class IconRecentsView extends FrameLayout {
 
     public IconRecentsView(Context context, AttributeSet attrs) {
         super(context, attrs);
+        BaseActivity activity = BaseActivity.fromContext(context);
         mContext = context;
+        mDeviceProfile = activity.getDeviceProfile();
         mTaskLoader = new TaskListLoader(mContext);
-        mTaskAdapter = new TaskAdapter(mTaskLoader);
+        mTaskAdapter = new TaskAdapter(mTaskLoader, mDeviceProfile);
         mTaskActionController = new TaskActionController(mTaskLoader, mTaskAdapter);
         mTaskAdapter.setActionController(mTaskActionController);
     }
@@ -121,6 +131,8 @@ public final class IconRecentsView extends FrameLayout {
         super.onFinishInflate();
         if (mTaskRecyclerView == null) {
             mTaskRecyclerView = findViewById(R.id.recent_task_recycler_view);
+            ViewGroup.LayoutParams recyclerViewParams = mTaskRecyclerView.getLayoutParams();
+            recyclerViewParams.height = getTaskListHeight(mDeviceProfile);
             mTaskRecyclerView.setAdapter(mTaskAdapter);
             mTaskRecyclerView.setLayoutManager(
                     new LinearLayoutManager(mContext, VERTICAL, true /* reverseLayout */));
@@ -159,6 +171,12 @@ public final class IconRecentsView extends FrameLayout {
                 }
             });
             mClearAllView = findViewById(R.id.clear_all_button);
+            MarginLayoutParams clearAllParams =
+                    (MarginLayoutParams) mClearAllView.getLayoutParams();
+            clearAllParams.height = getClearAllButtonHeight(mDeviceProfile);
+            clearAllParams.width = getClearAllButtonWidth(mDeviceProfile);
+            clearAllParams.topMargin = getClearAllButtonTopBottomMargin(mDeviceProfile);
+            clearAllParams.bottomMargin = getClearAllButtonTopBottomMargin(mDeviceProfile);
             mClearAllView.setOnClickListener(v -> animateClearAllTasks());
         }
     }

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

@@ -15,6 +15,8 @@
  */
 package com.android.quickstep.views;
 
+import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
+
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ -23,6 +25,8 @@ import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.util.FloatProperty;
 import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
@@ -39,6 +43,7 @@ public final class TaskItemView extends LinearLayout {
 
     private static final String EMPTY_LABEL = "";
     private static final String DEFAULT_LABEL = "...";
+    private static final float SUBITEM_FRAME_RATIO = .6f;
     private final Drawable mDefaultIcon;
     private final Drawable mDefaultThumbnail;
     private final TaskLayerDrawable mIconDrawable;
@@ -46,6 +51,7 @@ public final class TaskItemView extends LinearLayout {
     private TextView mLabelView;
     private ImageView mIconView;
     private ImageView mThumbnailView;
+    private FrameLayout mThumbnailIconFrame;
     private float mContentTransitionProgress;
 
     /**
@@ -80,6 +86,7 @@ public final class TaskItemView extends LinearLayout {
         mLabelView = findViewById(R.id.task_label);
         mThumbnailView = findViewById(R.id.task_thumbnail);
         mIconView = findViewById(R.id.task_icon);
+        mThumbnailIconFrame = findViewById(R.id.task_icon_and_thumbnail);
 
         mThumbnailView.setImageDrawable(mThumbnailDrawable);
         mIconView.setImageDrawable(mIconDrawable);
@@ -88,6 +95,31 @@ public final class TaskItemView extends LinearLayout {
         CONTENT_TRANSITION_PROGRESS.setValue(this, 1.0f);
     }
 
+    @Override
+    public void setLayoutParams(ViewGroup.LayoutParams params) {
+        super.setLayoutParams(params);
+
+        // TODO: Rather than setting child layout params, make custom views and override onMeasure.
+        if (mThumbnailIconFrame == null
+                || mIconView == null
+                || mThumbnailView == null) {
+            // Views not initialized yet.
+            return;
+        }
+
+        int frameSize = params.height;
+        ViewGroup.LayoutParams frameParams = mThumbnailIconFrame.getLayoutParams();
+        frameParams.width = frameSize;
+
+        int frameSubItemWidth = (int) (SUBITEM_FRAME_RATIO * frameSize);
+        ViewGroup.LayoutParams thumbnailParams = mThumbnailView.getLayoutParams();
+        thumbnailParams.width = frameSubItemWidth;
+
+        ViewGroup.LayoutParams iconParams = mIconView.getLayoutParams();
+        iconParams.width = frameSubItemWidth;
+        iconParams.height = frameSubItemWidth;
+    }
+
     /**
      * Resets task item view to empty, loading UI.
      */

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

@@ -0,0 +1,66 @@
+/*
+ * 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 com.android.launcher3.DeviceProfile;
+import com.android.quickstep.TaskAdapter;
+
+/**
+ * Utils to determine dynamically task and view sizes based off the device height and width.
+ */
+public final class TaskLayoutUtils {
+
+    private static final float BUTTON_TO_DEVICE_HEIGHT_RATIO = 36.0f/569;
+    private static final float BUTTON_WIDTH_TO_HEIGHT_RATIO = 53.0f/18;
+    private static final float BUTTON_MARGIN_TO_BUTTON_HEIGHT_RATIO = 5.0f/9;
+    private static final float TASK_TO_DEVICE_HEIGHT_RATIO = 15.0f/19;
+    private static final float TASK_MARGIN_TO_TASK_HEIGHT_RATIO = 4.0f/15;
+
+    private TaskLayoutUtils() {}
+
+    public static int getTaskHeight(DeviceProfile dp) {
+        return (int) (TASK_TO_DEVICE_HEIGHT_RATIO * getTaskItemSpace(dp));
+    }
+
+    public static int getTaskTopMargin(DeviceProfile dp) {
+        return (int) (TASK_MARGIN_TO_TASK_HEIGHT_RATIO * getTaskHeight(dp));
+    }
+
+    private static int getTaskItemSpace(DeviceProfile dp) {
+        return getTaskListHeight(dp) / TaskAdapter.MAX_TASKS_TO_DISPLAY;
+    }
+
+    public static int getTaskListHeight(DeviceProfile dp) {
+        int clearAllSpace = getClearAllButtonHeight(dp) + 2 * getClearAllButtonTopBottomMargin(dp);
+        return getDeviceLongWidth(dp) - clearAllSpace;
+    }
+
+    public static int getClearAllButtonHeight(DeviceProfile dp) {
+        return (int) (BUTTON_TO_DEVICE_HEIGHT_RATIO * getDeviceLongWidth(dp));
+    }
+
+    public static int getClearAllButtonWidth(DeviceProfile dp) {
+        return (int) (BUTTON_WIDTH_TO_HEIGHT_RATIO * getClearAllButtonHeight(dp));
+    }
+
+    public static int getClearAllButtonTopBottomMargin(DeviceProfile dp) {
+        return (int) (BUTTON_MARGIN_TO_BUTTON_HEIGHT_RATIO * getClearAllButtonHeight(dp));
+    }
+
+    private static int getDeviceLongWidth(DeviceProfile dp) {
+        return Math.max(dp.availableHeightPx, dp.availableWidthPx);
+    }
+}