Construct ambient view in Notification (487374fd) · Commits · e / os / android_frameworks_base

core/java/android/app/Notification.java

+59 −21

Original line number	Diff line number	Diff line
		@@ -70,6 +70,7 @@ import android.widget.RemoteViews;
		import com.android.internal.R;
		import com.android.internal.util.ArrayUtils;
		import com.android.internal.util.NotificationColorUtil;
		import com.android.internal.util.Preconditions;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		@@ -2341,6 +2342,11 @@ public class Notification implements Parcelable
		*/
		private int mCachedContrastColor = COLOR_INVALID;
		private int mCachedContrastColorIsFor = COLOR_INVALID;
		/**
		* Caches a ambient version of {@link #mCachedContrastColorIsFor}.
		*/
		private int mCachedAmbientColor = COLOR_INVALID;
		private int mCachedAmbientColorIsFor = COLOR_INVALID;

		/**
		* Caches an instance of StandardTemplateParams. Note that this may have been used before,
		@@ -3329,7 +3335,7 @@ public class Notification implements Parcelable

		final Bundle ex = mN.extras;

		bindNotificationHeader(contentView);
		bindNotificationHeader(contentView, p.ambient);
		bindLargeIcon(contentView);
		boolean showProgress = handleProgressBar(p.hasProgress, contentView, ex);
		if (p.title != null) {
		@@ -3404,14 +3410,17 @@ public class Notification implements Parcelable
		}
		}

		private void bindNotificationHeader(RemoteViews contentView) {
		bindSmallIcon(contentView);
		bindHeaderAppName(contentView);
		private void bindNotificationHeader(RemoteViews contentView, boolean ambient) {
		bindSmallIcon(contentView, ambient);
		bindHeaderAppName(contentView, ambient);
		if (!ambient) {
		// Ambient view does not have these
		bindHeaderText(contentView);
		bindHeaderChronometerAndTime(contentView);
		bindExpandButton(contentView);
		bindProfileBadge(contentView);
		}
		}

		private void bindExpandButton(RemoteViews contentView) {
		contentView.setDrawableParameters(R.id.expand_button, false, -1, resolveContrastColor(),
		@@ -3493,19 +3502,20 @@ public class Notification implements Parcelable

		return String.valueOf(name);
		}
		private void bindHeaderAppName(RemoteViews contentView) {
		private void bindHeaderAppName(RemoteViews contentView, boolean ambient) {
		contentView.setTextViewText(R.id.app_name_text, loadHeaderAppName());
		contentView.setTextColor(R.id.app_name_text, resolveContrastColor());
		contentView.setTextColor(R.id.app_name_text,
		ambient ? resolveAmbientColor() : resolveContrastColor());
		}

		private void bindSmallIcon(RemoteViews contentView) {
		private void bindSmallIcon(RemoteViews contentView, boolean ambient) {
		if (mN.mSmallIcon == null && mN.icon != 0) {
		mN.mSmallIcon = Icon.createWithResource(mContext, mN.icon);
		}
		contentView.setImageViewIcon(R.id.icon, mN.mSmallIcon);
		contentView.setDrawableParameters(R.id.icon, false /* targetBackground */,
		-1 /* alpha /, -1 / colorFilter /, null / mode */, mN.iconLevel);
		processSmallIconColor(mN.mSmallIcon, contentView);
		processSmallIconColor(mN.mSmallIcon, contentView, ambient);
		}

		/**
		@@ -3546,11 +3556,14 @@ public class Notification implements Parcelable
		boolean validRemoteInput = false;

		int N = mActions.size();
		boolean emphazisedMode = mN.fullScreenIntent != null;
		boolean emphazisedMode = mN.fullScreenIntent != null && !p.ambient;
		big.setBoolean(R.id.actions, "setEmphasizedMode", emphazisedMode);
		if (N > 0) {
		big.setViewVisibility(R.id.actions_container, View.VISIBLE);
		big.setViewVisibility(R.id.actions, View.VISIBLE);
		if (p.ambient) {
		big.setInt(R.id.actions, "setBackgroundColor", Color.TRANSPARENT);
		}
		big.setViewLayoutMarginBottomDimen(R.id.notification_action_list_margin_target,
		R.dimen.notification_action_list_height);
		if (N>MAX_ACTION_BUTTONS) N=MAX_ACTION_BUTTONS;
		@@ -3559,7 +3572,7 @@ public class Notification implements Parcelable
		validRemoteInput \|= hasValidRemoteInput(action);

		final RemoteViews button = generateActionButton(action, emphazisedMode,
		i % 2 != 0);
		i % 2 != 0, p.ambient);
		big.addView(R.id.actions, button);
		}
		} else {
		@@ -3567,7 +3580,7 @@ public class Notification implements Parcelable
		}

		CharSequence[] replyText = mN.extras.getCharSequenceArray(EXTRA_REMOTE_INPUT_HISTORY);
		if (validRemoteInput && replyText != null
		if (!p.ambient && validRemoteInput && replyText != null
		&& replyText.length > 0 && !TextUtils.isEmpty(replyText[0])) {
		big.setViewVisibility(R.id.notification_material_reply_container, View.VISIBLE);
		big.setTextViewText(R.id.notification_material_reply_text_1, replyText[0]);
		@@ -3652,10 +3665,22 @@ public class Notification implements Parcelable
		RemoteViews header = new BuilderRemoteViews(mContext.getApplicationInfo(),
		R.layout.notification_template_header);
		resetNotificationHeader(header);
		bindNotificationHeader(header);
		bindNotificationHeader(header, false /* ambient */);
		return header;
		}

		/**
		* Construct a RemoteViews for the ambient version of the notification.
		*
		* @hide
		*/
		public RemoteViews makeAmbientNotification() {
		RemoteViews ambient = applyStandardTemplateWithActions(
		R.layout.notification_template_material_ambient,
		mParams.reset().fillTextsFrom(this).hasProgress(false).ambient(true));
		return ambient;
		}

		private void hideLine1Text(RemoteViews result) {
		if (result != null) {
		result.setViewVisibility(R.id.text_line_1, View.GONE);
		@@ -3725,7 +3750,7 @@ public class Notification implements Parcelable


		private RemoteViews generateActionButton(Action action, boolean emphazisedMode,
		boolean oddAction) {
		boolean oddAction, boolean ambient) {
		final boolean tombstone = (action.actionIntent == null);
		RemoteViews button = new BuilderRemoteViews(mContext.getApplicationInfo(),
		emphazisedMode ? getEmphasizedActionLayoutResource()
		@@ -3763,7 +3788,8 @@ public class Notification implements Parcelable
		} else {
		button.setTextViewText(R.id.action0, processLegacyText(action.title));
		if (mN.color != COLOR_DEFAULT) {
		button.setTextColor(R.id.action0, resolveContrastColor());
		button.setTextColor(R.id.action0,
		ambient ? resolveAmbientColor() : resolveContrastColor());
		}
		}
		return button;
		@@ -3894,15 +3920,17 @@ public class Notification implements Parcelable
		/**
		* Apply any necessariy colors to the small icon
		*/
		private void processSmallIconColor(Icon smallIcon, RemoteViews contentView) {
		private void processSmallIconColor(Icon smallIcon, RemoteViews contentView,
		boolean ambient) {
		boolean colorable = !isLegacy() \|\| getColorUtil().isGrayscaleIcon(mContext, smallIcon);
		int color = ambient ? resolveAmbientColor() : resolveContrastColor();
		if (colorable) {
		contentView.setDrawableParameters(R.id.icon, false, -1, resolveContrastColor(),
		contentView.setDrawableParameters(R.id.icon, false, -1, color,
		PorterDuff.Mode.SRC_ATOP, -1);

		}
		contentView.setInt(R.id.notification_header, "setOriginalIconColor",
		colorable ? resolveContrastColor() : NotificationHeaderView.NO_COLOR);
		colorable ? color : NotificationHeaderView.NO_COLOR);
		}

		/**
		@@ -3935,6 +3963,16 @@ public class Notification implements Parcelable
		return mCachedContrastColor = contrasted;
		}

		int resolveAmbientColor() {
		if (mCachedAmbientColorIsFor == mN.color && mCachedAmbientColorIsFor != COLOR_INVALID) {
		return mCachedAmbientColor;
		}
		final int contrasted = NotificationColorUtil.resolveAmbientColor(mContext, mN.color);

		mCachedAmbientColorIsFor = mN.color;
		return mCachedAmbientColor = contrasted;
		}

		/**
		* Apply the unstyled operations and return a new {@link Notification} object.
		* @hide

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

+23 −0

Original line number	Diff line number	Diff line
		@@ -306,6 +306,10 @@ public class NotificationColorUtil {
		return ColorUtilsFromCompat.LABToColor(high, a, b);
		}

		public static int ensureTextContrastOnBlack(int color) {
		return findContrastColorAgainstDark(color, Color.BLACK, true /* fg */, 12);
		}

		/**
		* Finds a text color with sufficient contrast over bg that has the same hue as the original
		* color, assuming it is for large text.
		@@ -393,6 +397,25 @@ public class NotificationColorUtil {
		return ColorUtilsFromCompat.LABToColor(result[0], result[1], result[2]);
		}

		public static int resolveAmbientColor(Context context, int notificationColor) {
		final int resolvedColor = resolveColor(context, notificationColor);

		int color = resolvedColor;
		color = NotificationColorUtil.ensureTextContrastOnBlack(color);

		if (color != resolvedColor) {
		if (DEBUG){
		Log.w(TAG, String.format(
		"Ambient contrast of notification for %s is %s (over black)"
		+ " by changing #%s to #%s",
		context.getPackageName(),
		NotificationColorUtil.contrastChange(resolvedColor, color, Color.BLACK),
		Integer.toHexString(resolvedColor), Integer.toHexString(color)));
		}
		}
		return color;
		}

		/**
		* Framework copy of functions needed from android.support.v4.graphics.ColorUtils.
		*/

core/res/res/layout/notification_template_material_ambient.xml

0 → 100644

+73 −0

Original line number	Diff line number	Diff line
		<?xml version="1.0" encoding="utf-8"?>
		<!--
		~ Copyright (C) 2017 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.
		-->

		<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
		android:id="@+id/status_bar_latest_event_content"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:tag="ambient"
		>
		<include layout="@layout/notification_template_header" />

		<LinearLayout
		android:id="@+id/notification_action_list_margin_target"
		android:layout_width="match_parent"
		android:layout_height="match_parent"
		android:layout_gravity="top"
		android:layout_marginTop="@dimen/notification_content_margin_top"
		android:layout_marginBottom="@dimen/notification_action_list_height"
		android:clipToPadding="false"
		android:orientation="vertical">

		<LinearLayout
		android:id="@+id/notification_main_column"
		android:layout_width="match_parent"
		android:layout_height="wrap_content"
		android:layout_gravity="top"
		android:paddingStart="@dimen/notification_content_margin_start"
		android:paddingEnd="@dimen/notification_content_margin_end"
		android:clipToPadding="false"
		android:minHeight="@dimen/notification_min_content_height"
		android:orientation="vertical"
		>
		<TextView android:id="@+id/title"
		android:textAppearance="@style/TextAppearance.Material.Notification.Title"
		android:layout_width="wrap_content"
		android:layout_height="wrap_content"
		android:singleLine="true"
		android:ellipsize="marquee"
		android:fadingEdge="horizontal"
		android:textSize="20sp"
		android:textColor="@android:color/white"
		/>
		<TextView android:id="@+id/text"
		android:layout_width="match_parent"
		android:layout_height="0dp"
		android:paddingBottom="@dimen/notification_content_margin_bottom"
		android:textAppearance="@style/TextAppearance.Material.Notification"
		android:singleLine="false"
		android:layout_weight="1"
		android:gravity="top"
		android:visibility="gone"
		android:textSize="18sp"
		android:textColor="@android:color/white"
		android:layout_marginTop="4dp"
		/>
		</LinearLayout>
		</LinearLayout>
		<include layout="@layout/notification_material_action_list" />
		</FrameLayout>

core/res/res/values/symbols.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -2772,6 +2772,8 @@

		<java-symbol type="dimen" name="config_appTransitionAnimationDurationScaleDefault" />

		<java-symbol type="layout" name="notification_template_material_ambient" />

		<!-- Network Recommendation -->
		<java-symbol type="array" name="config_networkRecommendationPackageNames" />