| /* |
| * 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.annotation.Nullable; |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.RelativeLayout; |
| import android.widget.RemoteViews; |
| |
| /** |
| * A TextView that can float around an image on the end. |
| * |
| * @hide |
| */ |
| @RemoteViews.RemoteView |
| public class MediaNotificationView extends FrameLayout { |
| |
| private final int mMaxImageSize; |
| private final int mImageMinTopMargin; |
| private final int mNotificationContentMarginEnd; |
| private final int mNotificationContentImageMarginEnd; |
| private ImageView mRightIcon; |
| private View mActions; |
| private View mHeader; |
| private View mMainColumn; |
| |
| public MediaNotificationView(Context context) { |
| this(context, null); |
| } |
| |
| public MediaNotificationView(Context context, @Nullable AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public MediaNotificationView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { |
| this(context, attrs, defStyleAttr, 0); |
| } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int mode = MeasureSpec.getMode(widthMeasureSpec); |
| boolean hasIcon = mRightIcon.getVisibility() != GONE; |
| if (hasIcon && mode != MeasureSpec.UNSPECIFIED) { |
| measureChild(mActions, widthMeasureSpec, heightMeasureSpec); |
| int size = MeasureSpec.getSize(widthMeasureSpec); |
| size = size - mActions.getMeasuredWidth(); |
| ViewGroup.MarginLayoutParams layoutParams = |
| (MarginLayoutParams) mRightIcon.getLayoutParams(); |
| int imageEndMargin = layoutParams.getMarginEnd(); |
| size -= imageEndMargin; |
| size = Math.min(size, mMaxImageSize); |
| size = Math.max(size, mRightIcon.getMinimumWidth()); |
| layoutParams.width = size; |
| layoutParams.height = size; |
| mRightIcon.setLayoutParams(layoutParams); |
| |
| // lets ensure that the main column doesn't run into the image |
| ViewGroup.MarginLayoutParams mainParams |
| = (MarginLayoutParams) mMainColumn.getLayoutParams(); |
| int marginEnd = size + imageEndMargin + mNotificationContentMarginEnd; |
| if (marginEnd != mainParams.getMarginEnd()) { |
| mainParams.setMarginEnd(marginEnd); |
| mMainColumn.setLayoutParams(mainParams); |
| } |
| |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| ViewGroup.MarginLayoutParams iconParams = |
| (MarginLayoutParams) mRightIcon.getLayoutParams(); |
| int topMargin = getMeasuredHeight() - mRightIcon.getMeasuredHeight() |
| - iconParams.bottomMargin; |
| // If the topMargin is high enough we can also remove the header constraint! |
| boolean reMeasure = false; |
| if (!hasIcon || topMargin >= mImageMinTopMargin) { |
| reMeasure = resetHeaderIndention(); |
| } else { |
| int paddingEnd = mNotificationContentImageMarginEnd; |
| ViewGroup.MarginLayoutParams headerParams = |
| (MarginLayoutParams) mHeader.getLayoutParams(); |
| int newMarginEnd = mRightIcon.getMeasuredWidth() + iconParams.getMarginEnd(); |
| if (headerParams.getMarginEnd() != newMarginEnd) { |
| headerParams.setMarginEnd(newMarginEnd); |
| mHeader.setLayoutParams(headerParams); |
| reMeasure = true; |
| } |
| if (mHeader.getPaddingEnd() != paddingEnd) { |
| mHeader.setPaddingRelative(mHeader.getPaddingStart(), |
| mHeader.getPaddingTop(), |
| paddingEnd, |
| mHeader.getPaddingBottom()); |
| reMeasure = true; |
| } |
| } |
| if (reMeasure) { |
| measureChildWithMargins(mHeader, widthMeasureSpec, 0, heightMeasureSpec, 0); |
| } |
| } |
| |
| private boolean resetHeaderIndention() { |
| boolean remeasure = false; |
| if (mHeader.getPaddingEnd() != mNotificationContentMarginEnd) { |
| mHeader.setPaddingRelative(mHeader.getPaddingStart(), |
| mHeader.getPaddingTop(), |
| mNotificationContentMarginEnd, |
| mHeader.getPaddingBottom()); |
| remeasure = true; |
| } |
| ViewGroup.MarginLayoutParams headerParams = |
| (MarginLayoutParams) mHeader.getLayoutParams(); |
| headerParams.setMarginEnd(0); |
| if (headerParams.getMarginEnd() != 0) { |
| headerParams.setMarginEnd(0); |
| mHeader.setLayoutParams(headerParams); |
| remeasure = true; |
| } |
| return remeasure; |
| } |
| |
| public MediaNotificationView(Context context, AttributeSet attrs, int defStyleAttr, |
| int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| mMaxImageSize = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.media_notification_expanded_image_max_size); |
| mImageMinTopMargin = (int) (context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.notification_content_margin_top) |
| + getResources().getDisplayMetrics().density * 2); |
| mNotificationContentMarginEnd = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.notification_content_margin_end); |
| mNotificationContentImageMarginEnd = context.getResources().getDimensionPixelSize( |
| com.android.internal.R.dimen.notification_content_image_margin_end); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mRightIcon = findViewById(com.android.internal.R.id.right_icon); |
| mActions = findViewById(com.android.internal.R.id.media_actions); |
| mHeader = findViewById(com.android.internal.R.id.notification_header); |
| mMainColumn = findViewById(com.android.internal.R.id.notification_main_column); |
| } |
| } |