Delayable marquee TextView

Adds a TextView class that delays the start of its marquee after it's
been visible and selected for a while.

Test: manual
Fixes: 203534602
Change-Id: Ie76b28c11348d842d0337dd612c54a39c844e148

packages/SystemUI/res/layout/qs_tile_label.xml

@@ -28,7 +28,7 @@
     android:importantForAccessibility="no"
     android:layout_gravity="center_vertical | start">
 
-    <com.android.systemui.util.SafeMarqueeTextView
+    <com.android.systemui.util.DelayableMarqueeTextView
         android:id="@+id/tile_label"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
@@ -41,7 +41,7 @@
         android:importantForAccessibility="no"
         android:textAppearance="@style/TextAppearance.QS.TileLabel"/>
 
-    <com.android.systemui.util.SafeMarqueeTextView
+    <com.android.systemui.util.DelayableMarqueeTextView
         android:id="@+id/app_label"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"

packages/SystemUI/res/values/attrs.xml

@@ -193,5 +193,9 @@
     <declare-styleable name="DreamOverlayDotImageView">
         <attr name="dotColor" format="color" />
     </declare-styleable>
+
+    <declare-styleable name="DelayableMarqueeTextView">
+        <attr name="marqueeDelay" format="integer" />
+    </declare-styleable>
 </resources>
 

packages/SystemUI/src/com/android/systemui/qs/PagedTileLayout.java

@@ -283,6 +283,7 @@ public class PagedTileLayout extends ViewPager implements QSTileLayout {
                 .inflate(R.layout.qs_paged_page, this, false);
         page.setMinRows(mMinRows);
         page.setMaxColumns(mMaxColumns);
+        page.setSelected(false);
         return page;
     }
 

packages/SystemUI/src/com/android/systemui/util/DelayableMarqueeTextView.kt

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2022 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.systemui.util
+
+import android.content.Context
+import android.util.AttributeSet
+import com.android.systemui.R
+
+class DelayableMarqueeTextView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0,
+    defStyleRes: Int = 0
+) : SafeMarqueeTextView(context, attrs, defStyleAttr, defStyleRes) {
+
+    var marqueeDelay: Long = DEFAULT_MARQUEE_DELAY
+    private var wantsMarquee = false
+    private var marqueeBlocked = true
+
+    private val enableMarquee = Runnable {
+        if (wantsMarquee) {
+            marqueeBlocked = false
+            startMarquee()
+        }
+    }
+
+    init {
+        val typedArray = context.theme.obtainStyledAttributes(
+                attrs,
+                R.styleable.DelayableMarqueeTextView,
+                defStyleAttr,
+                defStyleRes
+        )
+        marqueeDelay = typedArray.getInteger(
+                R.styleable.DelayableMarqueeTextView_marqueeDelay,
+                DEFAULT_MARQUEE_DELAY.toInt()
+        ).toLong()
+        typedArray.recycle()
+    }
+
+    override fun startMarquee() {
+        if (!isSelected) {
+            return
+        }
+        wantsMarquee = true
+        if (marqueeBlocked) {
+            if (handler?.hasCallbacks(enableMarquee) == false) {
+                postDelayed(enableMarquee, marqueeDelay)
+            }
+            return
+        }
+        super.startMarquee()
+    }
+
+    override fun stopMarquee() {
+        handler?.removeCallbacks(enableMarquee)
+        wantsMarquee = false
+        marqueeBlocked = true
+        super.stopMarquee()
+    }
+
+    companion object {
+        const val DEFAULT_MARQUEE_DELAY = 2000L
+    }
+}