chrome/android/java/src/org/chromium/chrome/browser/autofill_assistant/details/AssistantDetailsViewBinder.java - chromium/src - Git at Google

 // Copyright 2018 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.

 package org.chromium.chrome.browser.autofill_assistant.details;

 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.Typeface;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.GradientDrawable;
 import android.media.ThumbnailUtils;
 import android.os.Build;
 import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
 import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
 import android.text.TextUtils;
 import android.util.TypedValue;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;

 import org.chromium.base.ApiCompatibilityUtils;
 import org.chromium.chrome.autofill_assistant.R;
 import org.chromium.chrome.browser.cached_image_fetcher.CachedImageFetcher;
 import org.chromium.chrome.browser.compositor.animation.CompositorAnimator;
 import org.chromium.ui.modelutil.PropertyKey;
 import org.chromium.ui.modelutil.PropertyModelChangeProcessor;

 import java.text.DateFormat;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Locale;
 import java.util.Set;

 /**
  * This class is responsible for pushing updates to the Autofill Assistant details view. These
  * updates are pulled from the {@link AssistantDetailsModel} when a notification of an update is
  * received.
  */
 class AssistantDetailsViewBinder
         implements PropertyModelChangeProcessor.ViewBinder<AssistantDetailsModel,
                 AssistantDetailsViewBinder.ViewHolder, PropertyKey> {
     private static final int IMAGE_BORDER_RADIUS = 4;
     private static final int PULSING_DURATION_MS = 1_000;
     private static final String DETAILS_TIME_FORMAT = "H:mma";
     private static final String DETAILS_DATE_FORMAT = "EEE, MMM d";

     /**
      * A wrapper class that holds the different views of the header.
      */
     static class ViewHolder {
         final GradientDrawable mDefaultImage;
         final ImageView mImageView;
         final TextView mTitleView;
         final TextView mSubtextView;

         public ViewHolder(Context context, View detailsView) {
             mDefaultImage = (GradientDrawable) context.getResources().getDrawable(
                     R.drawable.autofill_assistant_default_details);
             mImageView = detailsView.findViewById(R.id.details_image);
             mTitleView = detailsView.findViewById(R.id.details_title);
             mSubtextView = detailsView.findViewById(R.id.details_text);
         }
     }

     private final Context mContext;

     private final int mImageWidth;
     private final int mImageHeight;
     private final int mPulseAnimationStartColor;
     private final int mPulseAnimationEndColor;

     private final Set<View> mViewsToAnimate = new HashSet<>();
     private ValueAnimator mPulseAnimation;

     AssistantDetailsViewBinder(Context context) {
         mContext = context;
         mImageWidth = context.getResources().getDimensionPixelSize(
                 R.dimen.autofill_assistant_details_image_size);
         mImageHeight = context.getResources().getDimensionPixelSize(
                 R.dimen.autofill_assistant_details_image_size);
         mPulseAnimationStartColor = context.getResources().getColor(R.color.modern_grey_100);
         mPulseAnimationEndColor = context.getResources().getColor(R.color.modern_grey_50);
     }

     @Override
     public void bind(AssistantDetailsModel model, ViewHolder view, PropertyKey propertyKey) {
         if (AssistantDetailsModel.DETAILS == propertyKey) {
             AssistantDetails details = model.get(AssistantDetailsModel.DETAILS);
             if (details == null) {
                 // Handled by the AssistantDetailsCoordinator.
                 return;
             }

             setDetails(details, view);
         } else {
             assert false : "Unhandled property detected in AssistantDetailsViewBinder!";
         }
     }

     private void setDetails(AssistantDetails details, ViewHolder viewHolder) {
         String detailsText = makeDetailsText(details);
         viewHolder.mTitleView.setText(details.getTitle());
         viewHolder.mSubtextView.setText(detailsText);

         if (viewHolder.mImageView.getDrawable() == null) {
             // Set default image if no image was set before.
             viewHolder.mImageView.setImageDrawable(viewHolder.mDefaultImage);
         }

         setTextStyles(details, viewHolder);

         // Download image and then set it in the model.
         if (!details.getUrl().isEmpty()) {
             CachedImageFetcher.getInstance().fetchImage(details.getUrl(), image -> {
                 if (image != null) {
                     viewHolder.mImageView.setImageDrawable(getRoundedImage(image));
                 }
             });
         }
     }

     private void setTextStyles(AssistantDetails details, ViewHolder viewHolder) {
         setTitleStyle(details, viewHolder);
         setSubtextStyle(details, viewHolder);
     }

     private void setTitleStyle(AssistantDetails details, ViewHolder viewHolder) {
         boolean animateBackground = false;
         TextView titleView = viewHolder.mTitleView;

         if (details.getUserApprovalRequired() && !details.getHighlightTitle()) {
             // De-emphasize title if user needs to accept details but the title should not be
             // highlighted.
             titleView.setTextColor(ApiCompatibilityUtils.getColor(
                     mContext.getResources(), R.color.modern_grey_300));
         } else {
             // Normal style: bold black text.
             ApiCompatibilityUtils.setTextAppearance(
                     titleView, R.style.TextAppearance_BlackCaptionDefault);
             titleView.setTypeface(titleView.getTypeface(), Typeface.BOLD);

             if (titleView.length() == 0 && details.getShowPlaceholdersForEmptyFields()) {
                 animateBackground = true;
             }
         }

         if (animateBackground) {
             addViewToAnimation(titleView, viewHolder);
         } else {
             removeViewFromAnimation(titleView);
         }
     }

     private void setSubtextStyle(AssistantDetails details, ViewHolder viewHolder) {
         boolean animateBackground = false;
         TextView subtextView = viewHolder.mSubtextView;

         if (details.getUserApprovalRequired()) {
             if (details.getHighlightDate()) {
                 // Emphasized style.
                 subtextView.setTypeface(subtextView.getTypeface(), Typeface.BOLD_ITALIC);
             } else {
                 // De-emphasized style.
                 subtextView.setTextColor(ApiCompatibilityUtils.getColor(
                         mContext.getResources(), R.color.modern_grey_300));
             }
         } else {
             // Normal style.
             ApiCompatibilityUtils.setTextAppearance(
                     subtextView, R.style.TextAppearance_BlackCaption);

             if (subtextView.length() == 0 && details.getShowPlaceholdersForEmptyFields()) {
                 animateBackground = true;
             }
         }

         if (animateBackground) {
             addViewToAnimation(subtextView, viewHolder);
         } else {
             removeViewFromAnimation(subtextView);
         }
     }

     private String makeDetailsText(AssistantDetails details) {
         List<String> parts = new ArrayList<>();
         Date date = details.getDate();
         if (date != null) {
             parts.add(formatDetailsTime(date));
             parts.add(formatDetailsDate(date));
         }

         String description = details.getDescription();
         if (description != null && !description.isEmpty()) {
             parts.add(description);
         }

         // TODO(crbug.com/806868): Use a view instead of this dot text.
         return TextUtils.join(" • ", parts);
     }

     private Locale getLocale() {
         return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
                 ? mContext.getResources().getConfiguration().getLocales().get(0)
                 : mContext.getResources().getConfiguration().locale;
     }

     private String formatDetailsTime(Date date) {
         DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT, Locale.getDefault());
         String timeFormatPattern = (df instanceof SimpleDateFormat)
                 ? ((SimpleDateFormat) df).toPattern()
                 : DETAILS_TIME_FORMAT;
         return new SimpleDateFormat(timeFormatPattern, getLocale()).format(date);
     }

     private String formatDetailsDate(Date date) {
         return new SimpleDateFormat(DETAILS_DATE_FORMAT, getLocale()).format(date);
     }

     private Drawable getRoundedImage(Bitmap bitmap) {
         RoundedBitmapDrawable roundedBitmap =
                 RoundedBitmapDrawableFactory.create(mContext.getResources(),
                         ThumbnailUtils.extractThumbnail(bitmap, mImageWidth, mImageHeight));
         roundedBitmap.setCornerRadius(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
                 IMAGE_BORDER_RADIUS, mContext.getResources().getDisplayMetrics()));
         return roundedBitmap;
     }

     private void addViewToAnimation(View view, ViewHolder viewHolder) {
         mViewsToAnimate.add(view);
         if (mPulseAnimation == null) {
             mPulseAnimation =
                     ValueAnimator.ofInt(mPulseAnimationStartColor, mPulseAnimationEndColor);
             mPulseAnimation.setDuration(PULSING_DURATION_MS);
             mPulseAnimation.setEvaluator(new ArgbEvaluator());
             mPulseAnimation.setRepeatCount(ValueAnimator.INFINITE);
             mPulseAnimation.setRepeatMode(ValueAnimator.REVERSE);
             mPulseAnimation.setInterpolator(CompositorAnimator.ACCELERATE_INTERPOLATOR);
             mPulseAnimation.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationCancel(Animator animation) {
                     viewHolder.mTitleView.setBackgroundColor(Color.WHITE);
                     viewHolder.mSubtextView.setBackgroundColor(Color.WHITE);
                     viewHolder.mDefaultImage.setColor(mPulseAnimationStartColor);
                 }
             });
             mPulseAnimation.addUpdateListener(animation -> {
                 int animatedValue = (int) animation.getAnimatedValue();
                 for (View viewToAnimate : mViewsToAnimate) {
                     viewToAnimate.setBackgroundColor(animatedValue);
                 }
                 viewHolder.mDefaultImage.setColor(animatedValue);
             });
             mPulseAnimation.start();
         }
     }

     private void removeViewFromAnimation(View view) {
         mViewsToAnimate.remove(view);
         if (mViewsToAnimate.isEmpty() && mPulseAnimation != null) {
             mPulseAnimation.cancel();
             mPulseAnimation = null;
         }
     }
 }
	// Copyright 2018 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.

	package org.chromium.chrome.browser.autofill_assistant.details;

	import android.animation.Animator;
	import android.animation.AnimatorListenerAdapter;
	import android.animation.ArgbEvaluator;
	import android.animation.ValueAnimator;
	import android.content.Context;
	import android.graphics.Bitmap;
	import android.graphics.Color;
	import android.graphics.Typeface;
	import android.graphics.drawable.Drawable;
	import android.graphics.drawable.GradientDrawable;
	import android.media.ThumbnailUtils;
	import android.os.Build;
	import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
	import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
	import android.text.TextUtils;
	import android.util.TypedValue;
	import android.view.View;
	import android.widget.ImageView;
	import android.widget.TextView;

	import org.chromium.base.ApiCompatibilityUtils;
	import org.chromium.chrome.autofill_assistant.R;
	import org.chromium.chrome.browser.cached_image_fetcher.CachedImageFetcher;
	import org.chromium.chrome.browser.compositor.animation.CompositorAnimator;
	import org.chromium.ui.modelutil.PropertyKey;
	import org.chromium.ui.modelutil.PropertyModelChangeProcessor;

	import java.text.DateFormat;
	import java.text.SimpleDateFormat;
	import java.util.ArrayList;
	import java.util.Date;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Locale;
	import java.util.Set;

	/**
	* This class is responsible for pushing updates to the Autofill Assistant details view. These
	* updates are pulled from the {@link AssistantDetailsModel} when a notification of an update is
	* received.
	*/
	class AssistantDetailsViewBinder
	implements PropertyModelChangeProcessor.ViewBinder<AssistantDetailsModel,
	AssistantDetailsViewBinder.ViewHolder, PropertyKey> {
	private static final int IMAGE_BORDER_RADIUS = 4;
	private static final int PULSING_DURATION_MS = 1_000;
	private static final String DETAILS_TIME_FORMAT = "H:mma";
	private static final String DETAILS_DATE_FORMAT = "EEE, MMM d";

	/**
	* A wrapper class that holds the different views of the header.
	*/
	static class ViewHolder {
	final GradientDrawable mDefaultImage;
	final ImageView mImageView;
	final TextView mTitleView;
	final TextView mSubtextView;

	public ViewHolder(Context context, View detailsView) {
	mDefaultImage = (GradientDrawable) context.getResources().getDrawable(
	R.drawable.autofill_assistant_default_details);
	mImageView = detailsView.findViewById(R.id.details_image);
	mTitleView = detailsView.findViewById(R.id.details_title);
	mSubtextView = detailsView.findViewById(R.id.details_text);
	}
	}

	private final Context mContext;

	private final int mImageWidth;
	private final int mImageHeight;
	private final int mPulseAnimationStartColor;
	private final int mPulseAnimationEndColor;

	private final Set<View> mViewsToAnimate = new HashSet<>();
	private ValueAnimator mPulseAnimation;

	AssistantDetailsViewBinder(Context context) {
	mContext = context;
	mImageWidth = context.getResources().getDimensionPixelSize(
	R.dimen.autofill_assistant_details_image_size);
	mImageHeight = context.getResources().getDimensionPixelSize(
	R.dimen.autofill_assistant_details_image_size);
	mPulseAnimationStartColor = context.getResources().getColor(R.color.modern_grey_100);
	mPulseAnimationEndColor = context.getResources().getColor(R.color.modern_grey_50);
	}

	@Override
	public void bind(AssistantDetailsModel model, ViewHolder view, PropertyKey propertyKey) {
	if (AssistantDetailsModel.DETAILS == propertyKey) {
	AssistantDetails details = model.get(AssistantDetailsModel.DETAILS);
	if (details == null) {
	// Handled by the AssistantDetailsCoordinator.
	return;
	}

	setDetails(details, view);
	} else {
	assert false : "Unhandled property detected in AssistantDetailsViewBinder!";
	}
	}

	private void setDetails(AssistantDetails details, ViewHolder viewHolder) {
	String detailsText = makeDetailsText(details);
	viewHolder.mTitleView.setText(details.getTitle());
	viewHolder.mSubtextView.setText(detailsText);

	if (viewHolder.mImageView.getDrawable() == null) {
	// Set default image if no image was set before.
	viewHolder.mImageView.setImageDrawable(viewHolder.mDefaultImage);
	}

	setTextStyles(details, viewHolder);

	// Download image and then set it in the model.
	if (!details.getUrl().isEmpty()) {
	CachedImageFetcher.getInstance().fetchImage(details.getUrl(), image -> {
	if (image != null) {
	viewHolder.mImageView.setImageDrawable(getRoundedImage(image));
	}
	});
	}
	}

	private void setTextStyles(AssistantDetails details, ViewHolder viewHolder) {
	setTitleStyle(details, viewHolder);
	setSubtextStyle(details, viewHolder);
	}

	private void setTitleStyle(AssistantDetails details, ViewHolder viewHolder) {
	boolean animateBackground = false;
	TextView titleView = viewHolder.mTitleView;

	if (details.getUserApprovalRequired() && !details.getHighlightTitle()) {
	// De-emphasize title if user needs to accept details but the title should not be
	// highlighted.
	titleView.setTextColor(ApiCompatibilityUtils.getColor(
	mContext.getResources(), R.color.modern_grey_300));
	} else {
	// Normal style: bold black text.
	ApiCompatibilityUtils.setTextAppearance(
	titleView, R.style.TextAppearance_BlackCaptionDefault);
	titleView.setTypeface(titleView.getTypeface(), Typeface.BOLD);

	if (titleView.length() == 0 && details.getShowPlaceholdersForEmptyFields()) {
	animateBackground = true;
	}
	}

	if (animateBackground) {
	addViewToAnimation(titleView, viewHolder);
	} else {
	removeViewFromAnimation(titleView);
	}
	}

	private void setSubtextStyle(AssistantDetails details, ViewHolder viewHolder) {
	boolean animateBackground = false;
	TextView subtextView = viewHolder.mSubtextView;

	if (details.getUserApprovalRequired()) {
	if (details.getHighlightDate()) {
	// Emphasized style.
	subtextView.setTypeface(subtextView.getTypeface(), Typeface.BOLD_ITALIC);
	} else {
	// De-emphasized style.
	subtextView.setTextColor(ApiCompatibilityUtils.getColor(
	mContext.getResources(), R.color.modern_grey_300));
	}
	} else {
	// Normal style.
	ApiCompatibilityUtils.setTextAppearance(
	subtextView, R.style.TextAppearance_BlackCaption);

	if (subtextView.length() == 0 && details.getShowPlaceholdersForEmptyFields()) {
	animateBackground = true;
	}
	}

	if (animateBackground) {
	addViewToAnimation(subtextView, viewHolder);
	} else {
	removeViewFromAnimation(subtextView);
	}
	}

	private String makeDetailsText(AssistantDetails details) {
	List<String> parts = new ArrayList<>();
	Date date = details.getDate();
	if (date != null) {
	parts.add(formatDetailsTime(date));
	parts.add(formatDetailsDate(date));
	}

	String description = details.getDescription();
	if (description != null && !description.isEmpty()) {
	parts.add(description);
	}

	// TODO(crbug.com/806868): Use a view instead of this dot text.
	return TextUtils.join(" • ", parts);
	}

	private Locale getLocale() {
	return Build.VERSION.SDK_INT >= Build.VERSION_CODES.N
	? mContext.getResources().getConfiguration().getLocales().get(0)
	: mContext.getResources().getConfiguration().locale;
	}

	private String formatDetailsTime(Date date) {
	DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT, Locale.getDefault());
	String timeFormatPattern = (df instanceof SimpleDateFormat)
	? ((SimpleDateFormat) df).toPattern()
	: DETAILS_TIME_FORMAT;
	return new SimpleDateFormat(timeFormatPattern, getLocale()).format(date);
	}

	private String formatDetailsDate(Date date) {
	return new SimpleDateFormat(DETAILS_DATE_FORMAT, getLocale()).format(date);
	}

	private Drawable getRoundedImage(Bitmap bitmap) {
	RoundedBitmapDrawable roundedBitmap =
	RoundedBitmapDrawableFactory.create(mContext.getResources(),
	ThumbnailUtils.extractThumbnail(bitmap, mImageWidth, mImageHeight));
	roundedBitmap.setCornerRadius(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,
	IMAGE_BORDER_RADIUS, mContext.getResources().getDisplayMetrics()));
	return roundedBitmap;
	}

	private void addViewToAnimation(View view, ViewHolder viewHolder) {
	mViewsToAnimate.add(view);
	if (mPulseAnimation == null) {
	mPulseAnimation =
	ValueAnimator.ofInt(mPulseAnimationStartColor, mPulseAnimationEndColor);
	mPulseAnimation.setDuration(PULSING_DURATION_MS);
	mPulseAnimation.setEvaluator(new ArgbEvaluator());
	mPulseAnimation.setRepeatCount(ValueAnimator.INFINITE);
	mPulseAnimation.setRepeatMode(ValueAnimator.REVERSE);
	mPulseAnimation.setInterpolator(CompositorAnimator.ACCELERATE_INTERPOLATOR);
	mPulseAnimation.addListener(new AnimatorListenerAdapter() {
	@Override
	public void onAnimationCancel(Animator animation) {
	viewHolder.mTitleView.setBackgroundColor(Color.WHITE);
	viewHolder.mSubtextView.setBackgroundColor(Color.WHITE);
	viewHolder.mDefaultImage.setColor(mPulseAnimationStartColor);
	}
	});
	mPulseAnimation.addUpdateListener(animation -> {
	int animatedValue = (int) animation.getAnimatedValue();
	for (View viewToAnimate : mViewsToAnimate) {
	viewToAnimate.setBackgroundColor(animatedValue);
	}
	viewHolder.mDefaultImage.setColor(animatedValue);
	});
	mPulseAnimation.start();
	}
	}

	private void removeViewFromAnimation(View view) {
	mViewsToAnimate.remove(view);
	if (mViewsToAnimate.isEmpty() && mPulseAnimation != null) {
	mPulseAnimation.cancel();
	mPulseAnimation = null;
	}
	}
	}