Video Tutorials : Replaced thumbnails to use AsyncImageView

This CL adds :
1- Replaces thumbnails to use AsyncImageView on IPH card, and list view.
2- Removes the dependency on LargeMediaPlayButton style from downloads.

Bug: 1134412
Change-Id: Ibd9e5dbaeddd47564406ce201e10ec207df785b7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2444536
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Reviewed-by: Calder Kitagawa <ckitagawa@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814764}

chrome/browser/video_tutorials/BUILD.gn

@@ -92,7 +92,6 @@ if (is_android) {
     ]
 
     deps = [
-      "//chrome/browser/download/android:java_resources",
       "//chrome/browser/ui/android/strings:ui_strings_grd",
       "//components/browser_ui/widget/android:java_resources",
       "//ui/android:ui_java_resources",

chrome/browser/video_tutorials/android/java/res/layout/video_tutorial_iph_card.xml

@@ -16,12 +16,14 @@
     android:paddingEnd="@dimen/promo_compact_padding"
     android:paddingBottom="@dimen/promo_compact_padding">
 
-    <org.chromium.components.browser_ui.widget.RoundedCornerImageView
+    <org.chromium.components.browser_ui.widget.async_image.AsyncImageView
         android:id="@+id/thumbnail"
         android:layout_width="80dp"
         android:layout_height="58dp"
         android:layout_gravity="center_vertical"
         android:importantForAccessibility="no"
+        app:unavailableSrc="@color/image_loading_color"
+        app:waitingSrc="@color/image_loading_color"
         app:roundedfillColor="@color/modern_grey_300"
         app:cornerRadiusBottomStart="@dimen/default_rounded_corner_radius"
         app:cornerRadiusBottomEnd="@dimen/default_rounded_corner_radius"

chrome/browser/video_tutorials/internal/BUILD.gn

@@ -91,6 +91,7 @@ if (is_android) {
       "//chrome/browser/image_fetcher:java",
       "//chrome/browser/profiles/android:java",
       "//chrome/browser/video_tutorials:java",
+      "//components/browser_ui/widget/android:java",
       "//components/embedder_support/android:content_view_java",
       "//components/embedder_support/android:web_contents_delegate_java",
       "//components/thin_webview:factory_java",
@@ -110,6 +111,7 @@ if (is_android) {
   android_resources("java_resources") {
     create_srcjar = false
     sources = [
+      "android/java/res/drawable/circular_media_button_background.xml",
       "android/java/res/drawable/radio_button.xml",
       "android/java/res/drawable/radio_button_default.xml",
       "android/java/res/drawable/radio_button_selected.xml",

chrome/browser/video_tutorials/internal/android/java/res/drawable/circular_media_button_background.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright 2020 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. -->
+
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android" >
+  <item>
+    <shape
+        android:shape="oval">
+      <solid android:color="@android:color/white"  />
+      <size android:width="48dp"
+          android:height="48dp" />
+    </shape>
+  </item>
+</layer-list>
\ No newline at end of file

chrome/browser/video_tutorials/internal/android/java/res/layout/video_tutorial_large_card.xml

@@ -15,7 +15,7 @@
     app:columnCount="1"
     app:rowCount="2">
 
-    <org.chromium.ui.widget.ChromeImageView
+    <org.chromium.components.browser_ui.widget.async_image.AsyncImageView
         android:id="@+id/thumbnail"
         android:layout_width="match_parent"
         android:layout_height="200dp"
@@ -24,6 +24,9 @@
         android:layout_marginEnd="1dp"
         android:scaleType="centerCrop"
         android:adjustViewBounds="true"
+        android:importantForAccessibility="no"
+        app:unavailableSrc="@color/image_loading_color"
+        app:waitingSrc="@color/image_loading_color"
         app:layout_column="0"
         app:layout_row="0"
         app:layout_gravity="center"
@@ -33,12 +36,16 @@
 
     <org.chromium.ui.widget.ChromeImageButton
         android:id="@+id/action_button"
+        android:layout_width="60dp"
+        android:layout_height="60dp"
+        android:src="@drawable/ic_play_arrow_white_36dp"
+        android:tint="@color/modern_grey_800"
         app:layout_column="0"
         app:layout_row="0"
         app:layout_gravity="center"
         android:elevation="2dp"
         android:clickable="false"
-        style="@style/LargeMediaPlayButton"/>
+        android:background="@drawable/circular_media_button_background" />
 
     <TextView
         android:id="@+id/video_length"

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/iph/VideoIPHCoordinatorImpl.java

@@ -4,6 +4,9 @@
 
 package org.chromium.chrome.browser.video_tutorials.iph;
 
+import android.content.Context;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
 import android.view.ViewStub;
 
 import org.chromium.base.Callback;
@@ -17,6 +20,7 @@ import org.chromium.ui.modelutil.PropertyModelChangeProcessor;
  * inflate when the IPH is shown.
  */
 public class VideoIPHCoordinatorImpl implements VideoIPHCoordinator {
+    private final Context mContext;
     private final PropertyModel mModel;
     private final VideoIPHView mView;
     private final ImageFetcher mImageFetcher;
@@ -32,6 +36,7 @@ public class VideoIPHCoordinatorImpl implements VideoIPHCoordinator {
      */
     public VideoIPHCoordinatorImpl(ViewStub viewStub, ImageFetcher imageFetcher,
             Callback<Tutorial> onClickListener, Callback<Tutorial> onDismissListener) {
+        mContext = viewStub.getContext();
         mImageFetcher = imageFetcher;
         mOnClickListener = onClickListener;
         mOnDismissListener = onDismissListener;
@@ -51,10 +56,17 @@ public class VideoIPHCoordinatorImpl implements VideoIPHCoordinator {
         mModel.set(
                 VideoIPHProperties.DISMISS_LISTENER, () -> mOnDismissListener.onResult(tutorial));
 
-        mModel.set(VideoIPHProperties.THUMBNAIL, null);
-        ImageFetcher.Params params = ImageFetcher.Params.create(
-                tutorial.posterUrl, ImageFetcher.VIDEO_TUTORIALS_IPH_UMA_CLIENT_NAME);
-        mImageFetcher.fetchImage(
-                params, bitmap -> mModel.set(VideoIPHProperties.THUMBNAIL, bitmap));
+        mModel.set(VideoIPHProperties.THUMBNAIL_PROVIDER, (consumer, widthPx, heightPx) -> {
+            return () -> {
+                ImageFetcher.Params params = ImageFetcher.Params.create(tutorial.posterUrl,
+                        ImageFetcher.VIDEO_TUTORIALS_IPH_UMA_CLIENT_NAME, widthPx, heightPx);
+                mImageFetcher.fetchImage(params, bitmap -> {
+                    Drawable drawable = bitmap == null
+                            ? null
+                            : new BitmapDrawable(mContext.getResources(), bitmap);
+                    consumer.onResult(drawable);
+                });
+            };
+        });
     }
 }
\ No newline at end of file

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/iph/VideoIPHProperties.java

@@ -4,8 +4,7 @@
 
 package org.chromium.chrome.browser.video_tutorials.iph;
 
-import android.graphics.Bitmap;
-
+import org.chromium.components.browser_ui.widget.async_image.AsyncImageView;
 import org.chromium.ui.modelutil.PropertyKey;
 import org.chromium.ui.modelutil.PropertyModel.WritableBooleanPropertyKey;
 import org.chromium.ui.modelutil.PropertyModel.WritableObjectPropertyKey;
@@ -23,8 +22,8 @@ class VideoIPHProperties {
     public static final WritableObjectPropertyKey<String> VIDEO_LENGTH =
             new WritableObjectPropertyKey<>();
 
-    /** The thumbnail associated with the tutorial. */
-    public static final WritableObjectPropertyKey<Bitmap> THUMBNAIL =
+    /** The thumbnail provider to supply thumbnail images. */
+    public static final WritableObjectPropertyKey<AsyncImageView.Factory> THUMBNAIL_PROVIDER =
             new WritableObjectPropertyKey<>();
 
     /** The listener to be invoked when the IPH is clicked. */
@@ -36,6 +35,6 @@ class VideoIPHProperties {
             new WritableObjectPropertyKey<>();
 
     /** All keys associated with the model. */
-    public static final PropertyKey[] ALL_KEYS = new PropertyKey[] {
-            VISIBILITY, DISPLAY_TITLE, VIDEO_LENGTH, THUMBNAIL, CLICK_LISTENER, DISMISS_LISTENER};
+    public static final PropertyKey[] ALL_KEYS = new PropertyKey[] {VISIBILITY, DISPLAY_TITLE,
+            VIDEO_LENGTH, THUMBNAIL_PROVIDER, CLICK_LISTENER, DISMISS_LISTENER};
 }

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/iph/VideoIPHView.java

@@ -4,16 +4,12 @@
 
 package org.chromium.chrome.browser.video_tutorials.iph;
 
-import android.graphics.Bitmap;
-import android.graphics.drawable.ColorDrawable;
 import android.view.View;
 import android.view.ViewStub;
-import android.widget.ImageView;
 import android.widget.TextView;
 
-import androidx.annotation.Nullable;
-
 import org.chromium.chrome.browser.video_tutorials.R;
+import org.chromium.components.browser_ui.widget.async_image.AsyncImageView;
 import org.chromium.ui.modelutil.PropertyKey;
 import org.chromium.ui.modelutil.PropertyModel;
 
@@ -46,14 +42,8 @@ class VideoIPHView {
         view.setText(videoLength);
     }
 
-    private void setThumbnail(@Nullable Bitmap bitmap) {
-        ImageView view = mCardView.findViewById(R.id.thumbnail);
-        if (bitmap == null) {
-            view.setImageDrawable(
-                    new ColorDrawable(view.getResources().getColor(R.color.image_loading_color)));
-        } else {
-            view.setImageBitmap(bitmap);
-        }
+    private View getThumbnailView() {
+        return mCardView.findViewById(R.id.thumbnail);
     }
 
     private void setClickListener(Runnable clickListener) {
@@ -76,12 +66,14 @@ class VideoIPHView {
             view.setTitle(model.get(VideoIPHProperties.DISPLAY_TITLE));
         } else if (propertyKey == VideoIPHProperties.VIDEO_LENGTH) {
             view.setVideoLength(model.get(VideoIPHProperties.VIDEO_LENGTH));
-        } else if (propertyKey == VideoIPHProperties.THUMBNAIL) {
-            view.setThumbnail(model.get(VideoIPHProperties.THUMBNAIL));
         } else if (propertyKey == VideoIPHProperties.CLICK_LISTENER) {
             view.setClickListener(model.get(VideoIPHProperties.CLICK_LISTENER));
         } else if (propertyKey == VideoIPHProperties.DISMISS_LISTENER) {
             view.setDismissListener(model.get(VideoIPHProperties.DISMISS_LISTENER));
+        } else if (propertyKey == VideoIPHProperties.THUMBNAIL_PROVIDER) {
+            AsyncImageView thumbnailView = (AsyncImageView) view.getThumbnailView();
+            thumbnailView.setAsyncImageDrawable(
+                    model.get(VideoIPHProperties.THUMBNAIL_PROVIDER), null);
         }
     }
 }

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/list/TutorialCardProperties.java

@@ -4,9 +4,7 @@
 
 package org.chromium.chrome.browser.video_tutorials.list;
 
-import android.graphics.drawable.Drawable;
-
-import org.chromium.base.Callback;
+import org.chromium.components.browser_ui.widget.async_image.AsyncImageView;
 import org.chromium.ui.modelutil.PropertyKey;
 import org.chromium.ui.modelutil.PropertyModel.WritableObjectPropertyKey;
 
@@ -17,12 +15,6 @@ class TutorialCardProperties {
     /** The view type used by the recycler view to show the tutorial cards. */
     public static final int VIDEO_TUTORIAL_CARD_VIEW_TYPE = 3;
 
-    /** An interface to provide thumbnails for the videos. */
-    interface VisualsProvider {
-        /** Method to get visuals to display the thumbnail image. */
-        void getVisuals(Callback<Drawable> callback);
-    }
-
     /** The title to be shown.*/
     static final WritableObjectPropertyKey<String> TITLE = new WritableObjectPropertyKey<>();
 
@@ -33,8 +25,8 @@ class TutorialCardProperties {
     static final WritableObjectPropertyKey<Runnable> CLICK_CALLBACK =
             new WritableObjectPropertyKey<>();
 
-    /** The provider to retrieve the visuals for the video thumbnail.*/
-    static final WritableObjectPropertyKey<VisualsProvider> VISUALS_PROVIDER =
+    /** The thumbnail provider to supply thumbnail images. */
+    public static final WritableObjectPropertyKey<AsyncImageView.Factory> VISUALS_PROVIDER =
             new WritableObjectPropertyKey<>();
 
     static final PropertyKey[] ALL_KEYS =

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/list/TutorialCardViewBinder.java

@@ -4,14 +4,13 @@
 
 package org.chromium.chrome.browser.video_tutorials.list;
 
-import android.graphics.drawable.ColorDrawable;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
-import android.widget.ImageView;
 import android.widget.TextView;
 
 import org.chromium.chrome.browser.video_tutorials.R;
+import org.chromium.components.browser_ui.widget.async_image.AsyncImageView;
 import org.chromium.ui.modelutil.PropertyKey;
 import org.chromium.ui.modelutil.PropertyModel;
 
@@ -37,11 +36,9 @@ class TutorialCardViewBinder {
             view.setOnClickListener(
                     v -> { model.get(TutorialCardProperties.CLICK_CALLBACK).run(); });
         } else if (propertyKey == TutorialCardProperties.VISUALS_PROVIDER) {
-            final ImageView thumbnail = view.findViewById(R.id.thumbnail);
-            thumbnail.setImageDrawable(new ColorDrawable(thumbnail.getResources().getColor(
-                    org.chromium.components.browser_ui.widget.R.color.image_loading_color)));
-            model.get(TutorialCardProperties.VISUALS_PROVIDER)
-                    .getVisuals(thumbnail::setImageDrawable);
+            AsyncImageView thumbnailView = (AsyncImageView) view.findViewById(R.id.thumbnail);
+            thumbnailView.setAsyncImageDrawable(
+                    model.get(TutorialCardProperties.VISUALS_PROVIDER), null);
         } else {
             throw new IllegalArgumentException(
                     "Cannot update the view for propertyKey: " + propertyKey);

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/list/TutorialListMediator.java

@@ -12,6 +12,7 @@ import org.chromium.base.Callback;
 import org.chromium.chrome.browser.image_fetcher.ImageFetcher;
 import org.chromium.chrome.browser.video_tutorials.Tutorial;
 import org.chromium.chrome.browser.video_tutorials.VideoTutorialService;
+import org.chromium.chrome.browser.video_tutorials.iph.VideoTutorialIPHUtils;
 import org.chromium.ui.modelutil.MVCListAdapter;
 import org.chromium.ui.modelutil.MVCListAdapter.ListItem;
 import org.chromium.ui.modelutil.PropertyModel;
@@ -54,23 +55,24 @@ public class TutorialListMediator {
     }
 
     private PropertyModel buildModelFromTutorial(Tutorial tutorial) {
-        return new PropertyModel.Builder(TutorialCardProperties.ALL_KEYS)
-                .with(TutorialCardProperties.TITLE, tutorial.displayTitle)
-                // TODO(shaktisahu): Provide a string in mm:ss format.
-                .with(TutorialCardProperties.VIDEO_LENGTH, Integer.toString(tutorial.videoLength))
-                .with(TutorialCardProperties.CLICK_CALLBACK,
-                        () -> mClickCallback.onResult(tutorial))
-                .with(TutorialCardProperties.VISUALS_PROVIDER,
-                        callback -> getBitmap(tutorial, callback))
-                .build();
-    }
+        PropertyModel.Builder builder =
+                new PropertyModel.Builder(TutorialCardProperties.ALL_KEYS)
+                        .with(TutorialCardProperties.TITLE, tutorial.displayTitle)
+                        .with(TutorialCardProperties.VIDEO_LENGTH,
+                                VideoTutorialIPHUtils.getVideoLengthString(tutorial.videoLength))
+                        .with(TutorialCardProperties.CLICK_CALLBACK,
+                                () -> mClickCallback.onResult(tutorial));
 
-    private void getBitmap(Tutorial tutorial, Callback<Drawable> callback) {
-        ImageFetcher.Params params = ImageFetcher.Params.create(
-                tutorial.posterUrl, ImageFetcher.VIDEO_TUTORIALS_LIST_UMA_CLIENT_NAME);
-        mImageFetcher.fetchImage(params, bitmap -> {
-            Drawable drawable = new BitmapDrawable(mContext.getResources(), bitmap);
-            callback.onResult(drawable);
+        builder.with(TutorialCardProperties.VISUALS_PROVIDER, (consumer, widthPx, heightPx) -> {
+            return () -> {
+                ImageFetcher.Params params = ImageFetcher.Params.create(tutorial.posterUrl,
+                        ImageFetcher.VIDEO_TUTORIALS_LIST_UMA_CLIENT_NAME, widthPx, heightPx);
+                mImageFetcher.fetchImage(params, bitmap -> {
+                    Drawable drawable = new BitmapDrawable(mContext.getResources(), bitmap);
+                    consumer.onResult(drawable);
+                });
+            };
         });
+        return builder.build();
     }
 }
\ No newline at end of file