Move legacy notification processing to Notification.Builder (5c2d8467) · Commits · e / os / android_frameworks_base

core/java/android/app/Notification.java

+94 −24

Original line number	Diff line number	Diff line
		@@ -17,12 +17,14 @@
		package android.app;

		import com.android.internal.R;
		import com.android.internal.util.LegacyNotificationUtil;

		import android.annotation.IntDef;
		import android.content.Context;
		import android.content.Intent;
		import android.content.res.Resources;
		import android.graphics.Bitmap;
		import android.graphics.PorterDuff;
		import android.media.AudioManager;
		import android.net.Uri;
		import android.os.BadParcelableException;
		@@ -652,13 +654,6 @@ public class Notification implements Parcelable
		*/
		public static final String EXTRA_AS_HEADS_UP = "headsup";

		/**
		* Extra added from {@link Notification.Builder} to indicate that the remote views were inflated
		* from the builder, as opposed to being created directly from the application.
		* @hide
		*/
		public static final String EXTRA_BUILDER_REMOTE_VIEWS = "android.builderRemoteViews";

		/**
		* Allow certain system-generated notifications to appear before the device is provisioned.
		* Only available to notifications coming from the android package.
		@@ -1315,6 +1310,7 @@ public class Notification implements Parcelable
		private int mVisibility = VISIBILITY_PRIVATE;
		private Notification mPublicVersion = null;
		private boolean mQuantumTheme;
		private final LegacyNotificationUtil mLegacyNotificationUtil;

		/**
		* Constructs a new Builder with the defaults:
		@@ -1345,6 +1341,10 @@ public class Notification implements Parcelable

		// TODO: Decide on targetSdk from calling app whether to use quantum theme.
		mQuantumTheme = true;

		// TODO: Decide on targetSdk from calling app whether to instantiate the processor at
		// all.
		mLegacyNotificationUtil = LegacyNotificationUtil.getInstance();
		}

		/**
		@@ -1846,42 +1846,50 @@ public class Notification implements Parcelable
		boolean showLine3 = false;
		boolean showLine2 = false;
		int smallIconImageViewId = R.id.icon;
		if (mLargeIcon != null) {
		contentView.setImageViewBitmap(R.id.icon, mLargeIcon);
		smallIconImageViewId = R.id.right_icon;
		}
		if (!mQuantumTheme && mPriority < PRIORITY_LOW) {
		contentView.setInt(R.id.icon,
		"setBackgroundResource", R.drawable.notification_template_icon_low_bg);
		contentView.setInt(R.id.status_bar_latest_event_content,
		"setBackgroundResource", R.drawable.notification_bg_low);
		}
		if (mLargeIcon != null) {
		contentView.setImageViewBitmap(R.id.icon, mLargeIcon);
		processLegacyLargeIcon(mLargeIcon, contentView);
		smallIconImageViewId = R.id.right_icon;
		}
		if (mSmallIcon != 0) {
		contentView.setImageViewResource(smallIconImageViewId, mSmallIcon);
		contentView.setViewVisibility(smallIconImageViewId, View.VISIBLE);
		if (mLargeIcon != null) {
		processLegacySmallIcon(mSmallIcon, smallIconImageViewId, contentView);
		} else {
		processLegacyLargeIcon(mSmallIcon, contentView);
		}

		} else {
		contentView.setViewVisibility(smallIconImageViewId, View.GONE);
		}
		if (mContentTitle != null) {
		contentView.setTextViewText(R.id.title, mContentTitle);
		contentView.setTextViewText(R.id.title, processLegacyText(mContentTitle));
		}
		if (mContentText != null) {
		contentView.setTextViewText(R.id.text, mContentText);
		contentView.setTextViewText(R.id.text, processLegacyText(mContentText));
		showLine3 = true;
		}
		if (mContentInfo != null) {
		contentView.setTextViewText(R.id.info, mContentInfo);
		contentView.setTextViewText(R.id.info, processLegacyText(mContentInfo));
		contentView.setViewVisibility(R.id.info, View.VISIBLE);
		showLine3 = true;
		} else if (mNumber > 0) {
		final int tooBig = mContext.getResources().getInteger(
		R.integer.status_bar_notification_info_maxnum);
		if (mNumber > tooBig) {
		contentView.setTextViewText(R.id.info, mContext.getResources().getString(
		R.string.status_bar_notification_info_overflow));
		contentView.setTextViewText(R.id.info, processLegacyText(
		mContext.getResources().getString(
		R.string.status_bar_notification_info_overflow)));
		} else {
		NumberFormat f = NumberFormat.getIntegerInstance();
		contentView.setTextViewText(R.id.info, f.format(mNumber));
		contentView.setTextViewText(R.id.info, processLegacyText(f.format(mNumber)));
		}
		contentView.setViewVisibility(R.id.info, View.VISIBLE);
		showLine3 = true;
		@@ -1891,9 +1899,9 @@ public class Notification implements Parcelable

		// Need to show three lines?
		if (mSubText != null) {
		contentView.setTextViewText(R.id.text, mSubText);
		contentView.setTextViewText(R.id.text, processLegacyText(mSubText));
		if (mContentText != null) {
		contentView.setTextViewText(R.id.text2, mContentText);
		contentView.setTextViewText(R.id.text2, processLegacyText(mContentText));
		contentView.setViewVisibility(R.id.text2, View.VISIBLE);
		showLine2 = true;
		} else {
		@@ -2001,14 +2009,77 @@ public class Notification implements Parcelable
		tombstone ? getActionTombstoneLayoutResource()
		: getActionLayoutResource());
		button.setTextViewCompoundDrawablesRelative(R.id.action0, action.icon, 0, 0, 0);
		button.setTextViewText(R.id.action0, action.title);
		button.setTextViewText(R.id.action0, processLegacyText(action.title));
		if (!tombstone) {
		button.setOnClickPendingIntent(R.id.action0, action.actionIntent);
		}
		button.setContentDescription(R.id.action0, action.title);
		processLegacyAction(action, button);
		return button;
		}

		/**
		* @return Whether we are currently building a notification from a legacy (an app that
		* doesn't create quantum notifications by itself) app.
		*/
		private boolean isLegacy() {
		return mLegacyNotificationUtil != null;
		}

		private void processLegacyAction(Action action, RemoteViews button) {
		if (isLegacy()) {
		if (mLegacyNotificationUtil.isGrayscale(mContext, action.icon)) {
		button.setTextViewCompoundDrawablesRelativeColorFilter(R.id.action0, 0,
		mContext.getResources().getColor(
		R.color.notification_action_legacy_color_filter),
		PorterDuff.Mode.MULTIPLY);
		}
		}
		}

		private CharSequence processLegacyText(CharSequence charSequence) {
		if (isLegacy()) {
		return mLegacyNotificationUtil.invertCharSequenceColors(charSequence);
		} else {
		return charSequence;
		}
		}

		private void processLegacyLargeIcon(int largeIconId, RemoteViews contentView) {
		if (isLegacy()) {
		processLegacyLargeIcon(
		mLegacyNotificationUtil.isGrayscale(mContext, largeIconId),
		contentView);
		}
		}

		private void processLegacyLargeIcon(Bitmap largeIcon, RemoteViews contentView) {
		if (isLegacy()) {
		processLegacyLargeIcon(
		mLegacyNotificationUtil.isGrayscale(largeIcon),
		contentView);
		}
		}

		private void processLegacyLargeIcon(boolean isGrayscale, RemoteViews contentView) {
		if (isLegacy() && isGrayscale) {
		contentView.setInt(R.id.icon, "setBackgroundResource",
		R.drawable.notification_icon_legacy_bg_inset);
		}
		}

		private void processLegacySmallIcon(int smallIconDrawableId, int smallIconImageViewId,
		RemoteViews contentView) {
		if (isLegacy()) {
		if (mLegacyNotificationUtil.isGrayscale(mContext, smallIconDrawableId)) {
		contentView.setDrawableParameters(smallIconImageViewId, false, -1,
		mContext.getResources().getColor(
		R.color.notification_action_legacy_color_filter),
		PorterDuff.Mode.MULTIPLY, -1);
		}
		}
		}

		/**
		* Apply the unstyled operations and return a new {@link Notification} object.
		* @hide
		@@ -2075,7 +2146,6 @@ public class Notification implements Parcelable
		extras.putBoolean(EXTRA_PROGRESS_INDETERMINATE, mProgressIndeterminate);
		extras.putBoolean(EXTRA_SHOW_CHRONOMETER, mUseChronometer);
		extras.putBoolean(EXTRA_SHOW_WHEN, mShowWhen);
		extras.putBoolean(EXTRA_BUILDER_REMOTE_VIEWS, mContentView == null);
		if (mLargeIcon != null) {
		extras.putParcelable(EXTRA_LARGE_ICON, mLargeIcon);
		}
		@@ -2226,7 +2296,7 @@ public class Notification implements Parcelable
		mSummaryTextSet ? mSummaryText
		: mBuilder.mSubText;
		if (overflowText != null) {
		contentView.setTextViewText(R.id.text, overflowText);
		contentView.setTextViewText(R.id.text, mBuilder.processLegacyText(overflowText));
		contentView.setViewVisibility(R.id.overflow_divider, View.VISIBLE);
		contentView.setViewVisibility(R.id.line3, View.VISIBLE);
		} else {
		@@ -2437,7 +2507,7 @@ public class Notification implements Parcelable
		contentView.setViewPadding(R.id.line1, 0, 0, 0, 0);
		}

		contentView.setTextViewText(R.id.big_text, mBigText);
		contentView.setTextViewText(R.id.big_text, mBuilder.processLegacyText(mBigText));
		contentView.setViewVisibility(R.id.big_text, View.VISIBLE);
		contentView.setViewVisibility(R.id.text2, View.GONE);

		@@ -2542,7 +2612,7 @@ public class Notification implements Parcelable
		CharSequence str = mTexts.get(i);
		if (str != null && !str.equals("")) {
		contentView.setViewVisibility(rowIds[i], View.VISIBLE);
		contentView.setTextViewText(rowIds[i], str);
		contentView.setTextViewText(rowIds[i], mBuilder.processLegacyText(str));
		}
		i++;
		}

core/java/android/widget/RemoteViews.java

+94 −0

Original line number	Diff line number	Diff line
		@@ -1515,6 +1515,75 @@ public class RemoteViews implements Parcelable, Filter {
		public final static int TAG = 14;
		}

		/**
		* Helper action to set a color filter on a compound drawable on a TextView. Supports relative
		* (s/t/e/b) or cardinal (l/t/r/b) arrangement.
		*/
		private class TextViewDrawableColorFilterAction extends Action {
		public TextViewDrawableColorFilterAction(int viewId, boolean isRelative, int index,
		int color, PorterDuff.Mode mode) {
		this.viewId = viewId;
		this.isRelative = isRelative;
		this.index = index;
		this.color = color;
		this.mode = mode;
		}

		public TextViewDrawableColorFilterAction(Parcel parcel) {
		viewId = parcel.readInt();
		isRelative = (parcel.readInt() != 0);
		index = parcel.readInt();
		color = parcel.readInt();
		mode = readPorterDuffMode(parcel);
		}

		private PorterDuff.Mode readPorterDuffMode(Parcel parcel) {
		int mode = parcel.readInt();
		if (mode >= 0 && mode < PorterDuff.Mode.values().length) {
		return PorterDuff.Mode.values()[mode];
		} else {
		return PorterDuff.Mode.CLEAR;
		}
		}

		public void writeToParcel(Parcel dest, int flags) {
		dest.writeInt(TAG);
		dest.writeInt(viewId);
		dest.writeInt(isRelative ? 1 : 0);
		dest.writeInt(index);
		dest.writeInt(color);
		dest.writeInt(mode.ordinal());
		}

		@Override
		public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
		final TextView target = (TextView) root.findViewById(viewId);
		if (target == null) return;
		Drawable[] drawables = isRelative
		? target.getCompoundDrawablesRelative()
		: target.getCompoundDrawables();
		if (index < 0 \|\| index >= 4) {
		throw new IllegalStateException("index must be in range [0, 3].");
		}
		Drawable d = drawables[index];
		if (d != null) {
		d.mutate();
		d.setColorFilter(color, mode);
		}
		}

		public String getActionName() {
		return "TextViewDrawableColorFilterAction";
		}

		final boolean isRelative;
		final int index;
		final int color;
		final PorterDuff.Mode mode;

		public final static int TAG = 17;
		}

		/**
		* Simple class used to keep track of memory usage in a RemoteViews.
		*
		@@ -1686,6 +1755,9 @@ public class RemoteViews implements Parcelable, Filter {
		case SetRemoteViewsAdapterList.TAG:
		mActions.add(new SetRemoteViewsAdapterList(parcel));
		break;
		case TextViewDrawableColorFilterAction.TAG:
		mActions.add(new TextViewDrawableColorFilterAction(parcel));
		break;
		default:
		throw new ActionException("Tag " + tag + " not found");
		}
		@@ -1920,6 +1992,28 @@ public class RemoteViews implements Parcelable, Filter {
		addAction(new TextViewDrawableAction(viewId, true, start, top, end, bottom));
		}

		/**
		* Equivalent to applying a color filter on one of the drawables in
		* {@link android.widget.TextView#getCompoundDrawablesRelative()}.
		*
		* @param viewId The id of the view whose text should change.
		* @param index The index of the drawable in the array of
		* {@link android.widget.TextView#getCompoundDrawablesRelative()} to set the color
		* filter on. Must be in [0, 3].
		* @param color The color of the color filter. See
		* {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}.
		* @param mode The mode of the color filter. See
		* {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)}.
		* @hide
		*/
		public void setTextViewCompoundDrawablesRelativeColorFilter(int viewId,
		int index, int color, PorterDuff.Mode mode) {
		if (index < 0 \|\| index >= 4) {
		throw new IllegalArgumentException("index must be in range [0, 3].");
		}
		addAction(new TextViewDrawableColorFilterAction(viewId, true, index, color, mode));
		}

		/**
		* Equivalent to calling ImageView.setImageResource
		*

packages/SystemUI/src/com/android/systemui/ImageUtils.java→core/java/com/android/internal/util/ImageUtils.java

+4 −2

Original line number	Diff line number	Diff line
		@@ -14,12 +14,14 @@
		* limitations under the License
		*/

		package com.android.systemui;
		package com.android.internal.util;

		import android.graphics.Bitmap;

		/**
		* Utility class for image analysis and processing.
		*
		* @hide
		*/
		public class ImageUtils {

		@@ -65,7 +67,7 @@ public class ImageUtils {
		*
		* Note that really transparent colors are always grayscale.
		*/
		public boolean isGrayscale(int color) {
		public static boolean isGrayscale(int color) {
		int alpha = 0xFF & (color >> 24);
		if (alpha < ALPHA_TOLERANCE) {
		return true;

core/java/com/android/internal/util/LegacyNotificationUtil.java

0 → 100644

+193 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2014 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.internal.util;

		import android.content.Context;
		import android.content.res.ColorStateList;
		import android.content.res.Resources;
		import android.graphics.Bitmap;
		import android.graphics.Color;
		import android.graphics.drawable.AnimationDrawable;
		import android.graphics.drawable.BitmapDrawable;
		import android.graphics.drawable.Drawable;
		import android.text.SpannableStringBuilder;
		import android.text.Spanned;
		import android.text.style.TextAppearanceSpan;
		import android.util.Log;
		import android.util.Pair;

		import java.util.Arrays;
		import java.util.WeakHashMap;

		/**
		* Helper class to process legacy (Holo) notifications to make them look like quantum notifications.
		*
		* @hide
		*/
		public class LegacyNotificationUtil {

		private static final String TAG = "LegacyNotificationUtil";

		private static final Object sLock = new Object();
		private static LegacyNotificationUtil sInstance;

		private final ImageUtils mImageUtils = new ImageUtils();
		private final WeakHashMap<Bitmap, Pair<Boolean, Integer>> mGrayscaleBitmapCache =
		new WeakHashMap<Bitmap, Pair<Boolean, Integer>>();

		public static LegacyNotificationUtil getInstance() {
		synchronized (sLock) {
		if (sInstance == null) {
		sInstance = new LegacyNotificationUtil();
		}
		return sInstance;
		}
		}

		/**
		* Checks whether a bitmap is grayscale. Grayscale here means "very close to a perfect
		* gray".
		*
		* @param bitmap The bitmap to test.
		* @return Whether the bitmap is grayscale.
		*/
		public boolean isGrayscale(Bitmap bitmap) {
		synchronized (sLock) {
		Pair<Boolean, Integer> cached = mGrayscaleBitmapCache.get(bitmap);
		if (cached != null) {
		if (cached.second == bitmap.getGenerationId()) {
		return cached.first;
		}
		}
		}
		boolean result;
		int generationId;
		synchronized (mImageUtils) {
		result = mImageUtils.isGrayscale(bitmap);

		// generationId and the check whether the Bitmap is grayscale can't be read atomically
		// here. However, since the thread is in the process of posting the notification, we can
		// assume that it doesn't modify the bitmap while we are checking the pixels.
		generationId = bitmap.getGenerationId();
		}
		synchronized (sLock) {
		mGrayscaleBitmapCache.put(bitmap, Pair.create(result, generationId));
		}
		return result;
		}

		/**
		* Checks whether a drawable is grayscale. Grayscale here means "very close to a perfect
		* gray".
		*
		* @param d The drawable to test.
		* @return Whether the drawable is grayscale.
		*/
		public boolean isGrayscale(Drawable d) {
		if (d == null) {
		return false;
		} else if (d instanceof BitmapDrawable) {
		BitmapDrawable bd = (BitmapDrawable) d;
		return bd.getBitmap() != null && isGrayscale(bd.getBitmap());
		} else if (d instanceof AnimationDrawable) {
		AnimationDrawable ad = (AnimationDrawable) d;
		int count = ad.getNumberOfFrames();
		return count > 0 && isGrayscale(ad.getFrame(0));
		} else {
		return false;
		}
		}

		/**
		* Checks whether a drawable with a resoure id is grayscale. Grayscale here means "very close
		* to a perfect gray".
		*
		* @param context The context to load the drawable from.
		* @return Whether the drawable is grayscale.
		*/
		public boolean isGrayscale(Context context, int drawableResId) {
		if (drawableResId != 0) {
		try {
		return isGrayscale(context.getDrawable(drawableResId));
		} catch (Resources.NotFoundException ex) {
		Log.e(TAG, "Drawable not found: " + drawableResId);
		return false;
		}
		} else {
		return false;
		}
		}

		/**
		* Inverts all the grayscale colors set by {@link android.text.style.TextAppearanceSpan}s on
		* the text.
		*
		* @param charSequence The text to process.
		* @return The color inverted text.
		*/
		public CharSequence invertCharSequenceColors(CharSequence charSequence) {
		if (charSequence instanceof Spanned) {
		Spanned ss = (Spanned) charSequence;
		Object[] spans = ss.getSpans(0, ss.length(), Object.class);
		SpannableStringBuilder builder = new SpannableStringBuilder(ss.toString());
		for (Object span : spans) {
		Object resultSpan = span;
		if (span instanceof TextAppearanceSpan) {
		resultSpan = processTextAppearanceSpan((TextAppearanceSpan) span);
		}
		builder.setSpan(resultSpan, ss.getSpanStart(span), ss.getSpanEnd(span),
		ss.getSpanFlags(span));
		}
		return builder;
		}
		return charSequence;
		}

		private TextAppearanceSpan processTextAppearanceSpan(TextAppearanceSpan span) {
		ColorStateList colorStateList = span.getTextColor();
		if (colorStateList != null) {
		int[] colors = colorStateList.getColors();
		boolean changed = false;
		for (int i = 0; i < colors.length; i++) {
		if (ImageUtils.isGrayscale(colors[i])) {

		// Allocate a new array so we don't change the colors in the old color state
		// list.
		if (!changed) {
		colors = Arrays.copyOf(colors, colors.length);
		}
		colors[i] = processColor(colors[i]);
		changed = true;
		}
		}
		if (changed) {
		return new TextAppearanceSpan(
		span.getFamily(), span.getTextStyle(), span.getTextSize(),
		new ColorStateList(colorStateList.getStates(), colors),
		span.getLinkTextColor());
		}
		}
		return span;
		}

		private int processColor(int color) {
		return Color.argb(Color.alpha(color),
		255 - Color.red(color),
		255 - Color.green(color),
		255 - Color.blue(color));
		}
		}

packages/SystemUI/res/drawable/notification_icon_legacy_bg.xml→core/res/res/drawable/notification_icon_legacy_bg.xml

+0 −0

File moved.

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