[Sh-Clank] Custom toast for error messages

On Android 11, setGravity is deprecated. For text toasts is noop.
Therefore, create toast from a custom view, for which setGravity still
works. This is a short term solution.

Bug: 1135597
Change-Id: I8fc9c85df4b5f749b6e0d0781cee4b8963460c74
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2460971
Commit-Queue: Gayane Petrosyan <gayane@chromium.org>
Reviewed-by: Kyle Milka <kmilka@chromium.org>
Cr-Commit-Position: refs/heads/master@{#815817}

chrome/browser/share/android/BUILD.gn

@@ -7,6 +7,7 @@ import("//build/config/android/rules.gni")
 android_resources("java_resources") {
   sources = [
     "java/res/drawable/camera_img.xml",
+    "java/res/drawable/custom_toast_background.xml",
     "java/res/drawable/delete_icon.xml",
     "java/res/drawable/edit_icon.xml",
     "java/res/drawable/generic_favicon.xml",
@@ -17,6 +18,7 @@ android_resources("java_resources") {
     "java/res/drawable/save_icon.xml",
     "java/res/drawable/share_icon.xml",
     "java/res/drawable/text_icon.xml",
+    "java/res/layout/custom_toast_layout.xml",
     "java/res/layout/qrcode_camera_error_layout.xml",
     "java/res/layout/qrcode_dialog.xml",
     "java/res/layout/qrcode_open_settings_layout.xml",

chrome/browser/share/android/java/res/drawable/custom_toast_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2016 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file. -->
+
+<shape
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <corners android:radius="20dp"/>
+    <padding
+        android:left="20dp"
+        android:right="20dp"/>
+    <solid android:color="@color/modern_grey_200"/>
+</shape>
\ No newline at end of file

chrome/browser/share/android/java/res/layout/custom_toast_layout.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2016 The Chromium Authors. All rights reserved.
+     Use of this source code is governed by a BSD-style license that can be
+     found in the LICENSE file. -->
+
+<TextView
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/toast_text"
+    android:background="@drawable/custom_toast_background"
+    android:gravity="center"
+    android:minHeight="44dp"
+    android:singleLine="true"
+    android:textAppearance="@style/TextAppearance.TextSmall.Primary"/>
\ No newline at end of file

chrome/browser/share/android/java/src/org/chromium/chrome/browser/share/link_to_text/LinkToTextCoordinator.java

@@ -6,6 +6,8 @@ package org.chromium.chrome.browser.share.link_to_text;
 
 import android.content.Context;
 import android.net.Uri;
+import android.view.LayoutInflater;
+import android.widget.TextView;
 
 import org.chromium.blink.mojom.TextFragmentSelectorProducer;
 import org.chromium.chrome.R;
@@ -60,9 +62,18 @@ public class LinkToTextCoordinator extends EmptyTabObserver {
                 params, new ChromeShareExtras.Builder().build(), System.currentTimeMillis());
 
         if (selector.isEmpty()) {
+            // TODO(gayane): Android toast should be replace by another toast like UI which allows
+            // custom positioning as |setView| and |setGravity| are deprecated starting API 30.
             String toastMessage =
                     mContext.getResources().getString(R.string.link_to_text_failure_toast_message);
-            Toast toast = Toast.makeText(mContext, toastMessage, Toast.LENGTH_SHORT);
+            LayoutInflater inflater = LayoutInflater.from(mContext);
+            TextView text = (TextView) inflater.inflate(R.layout.custom_toast_layout, null);
+            text.setText(toastMessage);
+            text.announceForAccessibility(toastMessage);
+
+            Toast toast = new Toast(mContext);
+            toast.setView(text);
+            toast.setDuration(Toast.LENGTH_SHORT);
             toast.setGravity(toast.getGravity(), toast.getXOffset(),
                     mContext.getResources().getDimensionPixelSize(R.dimen.y_offset));
             toast.show();