Make sure all Notification actions are shown (61254356) · Commits · e / os / android_frameworks_base

core/java/android/app/Notification.java

+0 −4

Original line number	Original line	Diff line number	Diff line
	@@ -3390,10 +3390,6 @@ public class Notification implements Parcelable
	validRemoteInput \|= hasValidRemoteInput(action);		validRemoteInput \|= hasValidRemoteInput(action);

	final RemoteViews button = generateActionButton(action);		final RemoteViews button = generateActionButton(action);
	if (i == N - 1) {
	button.setViewLayoutWidth(com.android.internal.R.id.action0,
	ViewGroup.LayoutParams.MATCH_PARENT);
	}
	big.addView(R.id.actions, button);		big.addView(R.id.actions, button);
	}		}
	}		}

core/java/com/android/internal/widget/NotificationActionListLayout.java

0 → 100644

+268 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Copyright (C) 2016 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.widget;

			import android.content.Context;
			import android.util.AttributeSet;
			import android.util.Pair;
			import android.view.Gravity;
			import android.view.View;
			import android.view.ViewGroup;
			import android.widget.RemoteViews;
			import android.widget.TextView;

			import java.util.ArrayList;
			import java.util.Comparator;

			/**
			* Layout for notification actions that ensures that no action consumes more than their share of
			* the remaining available width, and the last action consumes the remaining space.
			*/
			@RemoteViews.RemoteView
			public class NotificationActionListLayout extends ViewGroup {

			private int mTotalWidth = 0;
			private ArrayList<Pair<Integer, TextView>> mMeasureOrderTextViews = new ArrayList<>();
			private ArrayList<View> mMeasureOrderOther = new ArrayList<>();

			public NotificationActionListLayout(Context context, AttributeSet attrs) {
			super(context, attrs);
			}

			@Override
			protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
			final int N = getChildCount();
			int textViews = 0;
			int otherViews = 0;
			int notGoneChildren = 0;

			View lastNotGoneChild = null;
			for (int i = 0; i < N; i++) {
			View c = getChildAt(i);
			if (c instanceof TextView) {
			textViews++;
			} else {
			otherViews++;
			}
			if (c.getVisibility() != GONE) {
			notGoneChildren++;
			lastNotGoneChild = c;
			}
			}

			// Rebuild the measure order if the number of children changed or the text length of
			// any of the children changed.
			boolean needRebuild = false;
			if (textViews != mMeasureOrderTextViews.size()
			\|\| otherViews != mMeasureOrderOther.size()) {
			needRebuild = true;
			}
			if (!needRebuild) {
			final int size = mMeasureOrderTextViews.size();
			for (int i = 0; i < size; i++) {
			Pair<Integer, TextView> pair = mMeasureOrderTextViews.get(i);
			if (pair.first != pair.second.getText().length()) {
			needRebuild = true;
			}
			}
			}
			if (notGoneChildren > 1 && needRebuild) {
			rebuildMeasureOrder(textViews, otherViews);
			}

			final boolean constrained =
			MeasureSpec.getMode(widthMeasureSpec) != MeasureSpec.UNSPECIFIED;

			final int innerWidth = MeasureSpec.getSize(widthMeasureSpec) - mPaddingLeft - mPaddingRight;
			final int otherSize = mMeasureOrderOther.size();
			int usedWidth = 0;

			// Optimization: Don't do this if there's only one child.
			int measuredChildren = 0;
			for (int i = 0; i < N && notGoneChildren > 1; i++) {
			// Measure shortest children first. To avoid measuring twice, we approximate by looking
			// at the text length.
			View c;
			if (i < otherSize) {
			c = mMeasureOrderOther.get(i);
			} else {
			c = mMeasureOrderTextViews.get(i - otherSize).second;
			}
			if (c.getVisibility() == GONE) {
			continue;
			}
			MarginLayoutParams lp = (MarginLayoutParams) c.getLayoutParams();

			int usedWidthForChild = usedWidth;
			if (constrained) {
			// Make sure that this child doesn't consume more than its share of the remaining
			// total available space. Not used space will benefit subsequent views. Since we
			// measure in the order of (approx.) size, a large view can still take more than its
			// share if the others are small.
			int availableWidth = innerWidth - usedWidth;
			int maxWidthForChild = availableWidth / (notGoneChildren - measuredChildren);

			usedWidthForChild = innerWidth - maxWidthForChild;
			}

			measureChildWithMargins(c, widthMeasureSpec, usedWidthForChild,
			heightMeasureSpec, 0 /* usedHeight */);

			usedWidth += c.getMeasuredWidth() + lp.rightMargin + lp.leftMargin;
			measuredChildren++;
			}

			// Make sure to measure the last child full-width if we didn't use up the entire width,
			// or we didn't measure yet because there's just one child.
			if (lastNotGoneChild != null && (constrained && usedWidth < innerWidth
			\|\| notGoneChildren == 1)) {
			MarginLayoutParams lp = (MarginLayoutParams) lastNotGoneChild.getLayoutParams();
			if (notGoneChildren > 1) {
			// Need to make room, since we already measured this once.
			usedWidth -= lastNotGoneChild.getMeasuredWidth() + lp.rightMargin + lp.leftMargin;
			}

			int originalWidth = lp.width;
			lp.width = LayoutParams.MATCH_PARENT;
			measureChildWithMargins(lastNotGoneChild, widthMeasureSpec, usedWidth,
			heightMeasureSpec, 0 /* usedHeight */);
			lp.width = originalWidth;

			usedWidth += lastNotGoneChild.getMeasuredWidth() + lp.rightMargin + lp.leftMargin;
			}

			mTotalWidth = usedWidth + mPaddingRight + mPaddingLeft;
			setMeasuredDimension(resolveSize(getSuggestedMinimumWidth(), widthMeasureSpec),
			resolveSize(getSuggestedMinimumHeight(), heightMeasureSpec));
			}

			private void rebuildMeasureOrder(int capacityText, int capacityOther) {
			clearMeasureOrder();
			mMeasureOrderTextViews.ensureCapacity(capacityText);
			mMeasureOrderOther.ensureCapacity(capacityOther);
			final int childCount = getChildCount();
			for (int i = 0; i < childCount; i++) {
			View c = getChildAt(i);
			if (c instanceof TextView && ((TextView) c).getText().length() > 0) {
			mMeasureOrderTextViews.add(Pair.create(((TextView) c).getText().length(),
			(TextView)c));
			} else {
			mMeasureOrderOther.add(c);
			}
			}
			mMeasureOrderTextViews.sort(MEASURE_ORDER_COMPARATOR);
			}

			private void clearMeasureOrder() {
			mMeasureOrderOther.clear();
			mMeasureOrderTextViews.clear();
			}

			@Override
			public void onViewAdded(View child) {
			super.onViewAdded(child);
			clearMeasureOrder();
			}

			@Override
			public void onViewRemoved(View child) {
			super.onViewRemoved(child);
			clearMeasureOrder();
			}

			@Override
			protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
			final boolean isLayoutRtl = isLayoutRtl();
			final int paddingTop = mPaddingTop;

			int childTop;
			int childLeft;

			// Where bottom of child should go
			final int height = bottom - top;

			// Space available for child
			int innerHeight = height - paddingTop - mPaddingBottom;

			final int count = getChildCount();

			final int layoutDirection = getLayoutDirection();
			switch (Gravity.getAbsoluteGravity(Gravity.START, layoutDirection)) {
			case Gravity.RIGHT:
			// mTotalWidth contains the padding already
			childLeft = mPaddingLeft + right - left - mTotalWidth;
			break;

			case Gravity.LEFT:
			default:
			childLeft = mPaddingLeft;
			break;
			}

			int start = 0;
			int dir = 1;
			//In case of RTL, start drawing from the last child.
			if (isLayoutRtl) {
			start = count - 1;
			dir = -1;
			}

			for (int i = 0; i < count; i++) {
			final int childIndex = start + dir * i;
			final View child = getChildAt(childIndex);
			if (child.getVisibility() != GONE) {
			final int childWidth = child.getMeasuredWidth();
			final int childHeight = child.getMeasuredHeight();

			final MarginLayoutParams lp = (MarginLayoutParams) child.getLayoutParams();

			childTop = paddingTop + ((innerHeight - childHeight) / 2)
			+ lp.topMargin - lp.bottomMargin;

			childLeft += lp.leftMargin;
			child.layout(childLeft, childTop, childLeft + childWidth, childTop + childHeight);
			childLeft += childWidth + lp.rightMargin;
			}
			}
			}

			@Override
			public LayoutParams generateLayoutParams(AttributeSet attrs) {
			return new MarginLayoutParams(getContext(), attrs);
			}

			@Override
			protected LayoutParams generateDefaultLayoutParams() {
			return new MarginLayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.MATCH_PARENT);
			}

			@Override
			protected LayoutParams generateLayoutParams(LayoutParams p) {
			if (p instanceof MarginLayoutParams) {
			return new MarginLayoutParams((MarginLayoutParams)p);
			}
			return new MarginLayoutParams(p);
			}

			@Override
			protected boolean checkLayoutParams(LayoutParams p) {
			return p instanceof MarginLayoutParams;
			}

			public static final Comparator<Pair<Integer, TextView>> MEASURE_ORDER_COMPARATOR
			= (a, b) -> a.first.compareTo(b.first);
			}

core/res/res/layout/notification_material_action_list.xml

+2 −2

Original line number	Original line	Diff line number	Diff line
	@@ -18,7 +18,7 @@
	android:id="@+id/actions_container"		android:id="@+id/actions_container"
	android:layout_width="match_parent"		android:layout_width="match_parent"
	android:layout_height="wrap_content">		android:layout_height="wrap_content">
	<LinearLayout		<com.android.internal.widget.NotificationActionListLayout
	android:id="@+id/actions"		android:id="@+id/actions"
	android:layout_width="match_parent"		android:layout_width="match_parent"
	android:layout_height="56dp"		android:layout_height="56dp"
	@@ -29,5 +29,5 @@
	android:background="@color/notification_action_list"		android:background="@color/notification_action_list"
	>		>
	<!-- actions will be added here -->		<!-- actions will be added here -->
	</LinearLayout>		</com.android.internal.widget.NotificationActionListLayout>
	</FrameLayout>		</FrameLayout>