| /* |
| * Copyright (C) 2020 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 static com.android.internal.widget.MessagingGroup.IMAGE_DISPLAY_LOCATION_EXTERNAL; |
| import static com.android.internal.widget.MessagingGroup.IMAGE_DISPLAY_LOCATION_INLINE; |
| |
| import android.annotation.AttrRes; |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.annotation.StyleRes; |
| import android.app.Notification; |
| import android.app.Person; |
| import android.app.RemoteInputHistoryItem; |
| import android.content.Context; |
| import android.content.res.ColorStateList; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Icon; |
| import android.os.Bundle; |
| import android.os.Parcelable; |
| import android.text.TextUtils; |
| import android.util.ArrayMap; |
| import android.util.ArraySet; |
| import android.util.AttributeSet; |
| import android.util.DisplayMetrics; |
| import android.view.Gravity; |
| import android.view.RemotableViewMethod; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewTreeObserver; |
| import android.view.animation.Interpolator; |
| import android.view.animation.PathInterpolator; |
| import android.widget.FrameLayout; |
| import android.widget.ImageView; |
| import android.widget.LinearLayout; |
| import android.widget.RemoteViews; |
| import android.widget.TextView; |
| |
| import com.android.internal.R; |
| import com.android.internal.graphics.ColorUtils; |
| import com.android.internal.util.ContrastColorUtil; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.function.Consumer; |
| import java.util.regex.Pattern; |
| |
| /** |
| * A custom-built layout for the Notification.MessagingStyle allows dynamic addition and removal |
| * messages and adapts the layout accordingly. |
| */ |
| @RemoteViews.RemoteView |
| public class ConversationLayout extends FrameLayout |
| implements ImageMessageConsumer, IMessagingLayout { |
| |
| private static final float COLOR_SHIFT_AMOUNT = 60; |
| /** |
| * Pattren for filter some ingonable characters. |
| * p{Z} for any kind of whitespace or invisible separator. |
| * p{C} for any kind of punctuation character. |
| */ |
| private static final Pattern IGNORABLE_CHAR_PATTERN |
| = Pattern.compile("[\\p{C}\\p{Z}]"); |
| private static final Pattern SPECIAL_CHAR_PATTERN |
| = Pattern.compile ("[!@#$%&*()_+=|<>?{}\\[\\]~-]"); |
| private static final Consumer<MessagingMessage> REMOVE_MESSAGE |
| = MessagingMessage::removeMessage; |
| public static final Interpolator LINEAR_OUT_SLOW_IN = new PathInterpolator(0f, 0f, 0.2f, 1f); |
| public static final Interpolator FAST_OUT_LINEAR_IN = new PathInterpolator(0.4f, 0f, 1f, 1f); |
| public static final Interpolator FAST_OUT_SLOW_IN = new PathInterpolator(0.4f, 0f, 0.2f, 1f); |
| public static final OnLayoutChangeListener MESSAGING_PROPERTY_ANIMATOR |
| = new MessagingPropertyAnimator(); |
| private List<MessagingMessage> mMessages = new ArrayList<>(); |
| private List<MessagingMessage> mHistoricMessages = new ArrayList<>(); |
| private MessagingLinearLayout mMessagingLinearLayout; |
| private boolean mShowHistoricMessages; |
| private ArrayList<MessagingGroup> mGroups = new ArrayList<>(); |
| private TextView mTitleView; |
| private int mLayoutColor; |
| private int mSenderTextColor; |
| private int mMessageTextColor; |
| private int mAvatarSize; |
| private Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| private Paint mTextPaint = new Paint(); |
| private Icon mAvatarReplacement; |
| private boolean mIsOneToOne; |
| private ArrayList<MessagingGroup> mAddedGroups = new ArrayList<>(); |
| private Person mUser; |
| private CharSequence mNameReplacement; |
| private boolean mIsCollapsed; |
| private ImageResolver mImageResolver; |
| private ImageView mConversationIcon; |
| private TextView mConversationText; |
| private View mConversationIconBadge; |
| private Icon mLargeIcon; |
| private View mExpandButtonContainer; |
| private ViewGroup mExpandButtonAndContentContainer; |
| private NotificationExpandButton mExpandButton; |
| private MessagingLinearLayout mImageMessageContainer; |
| private int mExpandButtonExpandedTopMargin; |
| private int mBadgedSideMargins; |
| private int mIconSizeBadged; |
| private int mIconSizeCentered; |
| private CachingIconView mIcon; |
| private View mImportanceRingView; |
| private int mExpandedGroupTopMargin; |
| private View mConversationFacePile; |
| private int mNotificationBackgroundColor; |
| private CharSequence mFallbackChatName; |
| private CharSequence mFallbackGroupChatName; |
| private CharSequence mConversationTitle; |
| private int mNotificationHeaderExpandedPadding; |
| private View mConversationHeader; |
| private View mContentContainer; |
| private boolean mExpandable = true; |
| private int mContentMarginEnd; |
| private Rect mMessagingClipRect; |
| private TextView mAppName; |
| |
| public ConversationLayout(@NonNull Context context) { |
| super(context); |
| } |
| |
| public ConversationLayout(@NonNull Context context, @Nullable AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public ConversationLayout(@NonNull Context context, @Nullable AttributeSet attrs, |
| @AttrRes int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| } |
| |
| public ConversationLayout(@NonNull Context context, @Nullable AttributeSet attrs, |
| @AttrRes int defStyleAttr, @StyleRes int defStyleRes) { |
| super(context, attrs, defStyleAttr, defStyleRes); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| mMessagingLinearLayout = findViewById(R.id.notification_messaging); |
| mMessagingLinearLayout.setMessagingLayout(this); |
| mImageMessageContainer = findViewById(R.id.conversation_image_message_container); |
| // We still want to clip, but only on the top, since views can temporarily out of bounds |
| // during transitions. |
| DisplayMetrics displayMetrics = getResources().getDisplayMetrics(); |
| int size = Math.max(displayMetrics.widthPixels, displayMetrics.heightPixels); |
| mMessagingClipRect = new Rect(0, 0, size, size); |
| setMessagingClippingDisabled(false); |
| mTitleView = findViewById(R.id.title); |
| mAvatarSize = getResources().getDimensionPixelSize(R.dimen.messaging_avatar_size); |
| mTextPaint.setTextAlign(Paint.Align.CENTER); |
| mTextPaint.setAntiAlias(true); |
| mConversationIcon = findViewById(R.id.conversation_icon); |
| mIcon = findViewById(R.id.icon); |
| mImportanceRingView = findViewById(R.id.conversation_icon_badge_ring); |
| mConversationIconBadge = findViewById(R.id.conversation_icon_badge); |
| mIcon.setOnVisibilityChangedListener((visibility) -> { |
| // Always keep the badge visibility in sync with the icon. This is necessary in cases |
| // Where the icon is being hidden externally like in group children. |
| mConversationIconBadge.setVisibility(visibility); |
| }); |
| mConversationText = findViewById(R.id.conversation_text); |
| mExpandButtonContainer = findViewById(R.id.expand_button_container); |
| mConversationHeader = findViewById(R.id.conversation_header); |
| mContentContainer = findViewById(R.id.notification_action_list_margin_target); |
| mExpandButtonAndContentContainer = findViewById(R.id.expand_button_and_content_container); |
| mExpandButton = findViewById(R.id.expand_button); |
| mExpandButtonExpandedTopMargin = getResources().getDimensionPixelSize( |
| R.dimen.conversation_expand_button_top_margin_expanded); |
| mNotificationHeaderExpandedPadding = getResources().getDimensionPixelSize( |
| R.dimen.conversation_header_expanded_padding_end); |
| mContentMarginEnd = getResources().getDimensionPixelSize( |
| R.dimen.notification_content_margin_end); |
| mBadgedSideMargins = getResources().getDimensionPixelSize( |
| R.dimen.conversation_badge_side_margin); |
| mIconSizeBadged = getResources().getDimensionPixelSize( |
| R.dimen.conversation_icon_size_badged); |
| mIconSizeCentered = getResources().getDimensionPixelSize( |
| R.dimen.conversation_icon_size_centered); |
| mExpandedGroupTopMargin = getResources().getDimensionPixelSize( |
| R.dimen.conversation_icon_margin_top_centered); |
| mConversationFacePile = findViewById(R.id.conversation_face_pile); |
| mFallbackChatName = getResources().getString( |
| R.string.conversation_title_fallback_one_to_one); |
| mFallbackGroupChatName = getResources().getString( |
| R.string.conversation_title_fallback_group_chat); |
| mAppName = findViewById(R.id.app_name_text); |
| } |
| |
| @RemotableViewMethod |
| public void setAvatarReplacement(Icon icon) { |
| mAvatarReplacement = icon; |
| } |
| |
| @RemotableViewMethod |
| public void setNameReplacement(CharSequence nameReplacement) { |
| mNameReplacement = nameReplacement; |
| } |
| |
| /** |
| * Sets this conversation as "important", adding some additional UI treatment. |
| */ |
| @RemotableViewMethod |
| public void setIsImportantConversation(boolean isImportantConversation) { |
| mImportanceRingView.setVisibility(isImportantConversation ? VISIBLE : GONE); |
| } |
| |
| /** |
| * Set this layout to show the collapsed representation. |
| * |
| * @param isCollapsed is it collapsed |
| */ |
| @RemotableViewMethod |
| public void setIsCollapsed(boolean isCollapsed) { |
| mIsCollapsed = isCollapsed; |
| mMessagingLinearLayout.setMaxDisplayedLines(isCollapsed ? 1 : Integer.MAX_VALUE); |
| updateExpandButton(); |
| updateContentPaddings(); |
| } |
| |
| @RemotableViewMethod |
| public void setData(Bundle extras) { |
| Parcelable[] messages = extras.getParcelableArray(Notification.EXTRA_MESSAGES); |
| List<Notification.MessagingStyle.Message> newMessages |
| = Notification.MessagingStyle.Message.getMessagesFromBundleArray(messages); |
| Parcelable[] histMessages = extras.getParcelableArray(Notification.EXTRA_HISTORIC_MESSAGES); |
| List<Notification.MessagingStyle.Message> newHistoricMessages |
| = Notification.MessagingStyle.Message.getMessagesFromBundleArray(histMessages); |
| |
| // mUser now set (would be nice to avoid the side effect but WHATEVER) |
| setUser(extras.getParcelable(Notification.EXTRA_MESSAGING_PERSON)); |
| |
| |
| // Append remote input history to newMessages (again, side effect is lame but WHATEVS) |
| RemoteInputHistoryItem[] history = (RemoteInputHistoryItem[]) |
| extras.getParcelableArray(Notification.EXTRA_REMOTE_INPUT_HISTORY_ITEMS); |
| addRemoteInputHistoryToMessages(newMessages, history); |
| |
| boolean showSpinner = |
| extras.getBoolean(Notification.EXTRA_SHOW_REMOTE_INPUT_SPINNER, false); |
| |
| // bind it, baby |
| bind(newMessages, newHistoricMessages, showSpinner); |
| } |
| |
| @Override |
| public void setImageResolver(ImageResolver resolver) { |
| mImageResolver = resolver; |
| } |
| |
| private void addRemoteInputHistoryToMessages( |
| List<Notification.MessagingStyle.Message> newMessages, |
| RemoteInputHistoryItem[] remoteInputHistory) { |
| if (remoteInputHistory == null || remoteInputHistory.length == 0) { |
| return; |
| } |
| for (int i = remoteInputHistory.length - 1; i >= 0; i--) { |
| RemoteInputHistoryItem historyMessage = remoteInputHistory[i]; |
| Notification.MessagingStyle.Message message = new Notification.MessagingStyle.Message( |
| historyMessage.getText(), 0, (Person) null, true /* remoteHistory */); |
| if (historyMessage.getUri() != null) { |
| message.setData(historyMessage.getMimeType(), historyMessage.getUri()); |
| } |
| newMessages.add(message); |
| } |
| } |
| |
| private void bind(List<Notification.MessagingStyle.Message> newMessages, |
| List<Notification.MessagingStyle.Message> newHistoricMessages, |
| boolean showSpinner) { |
| // convert MessagingStyle.Message to MessagingMessage, re-using ones from a previous binding |
| // if they exist |
| List<MessagingMessage> historicMessages = createMessages(newHistoricMessages, |
| true /* isHistoric */); |
| List<MessagingMessage> messages = createMessages(newMessages, false /* isHistoric */); |
| |
| // Copy our groups, before they get clobbered |
| ArrayList<MessagingGroup> oldGroups = new ArrayList<>(mGroups); |
| |
| // Add our new MessagingMessages to groups |
| List<List<MessagingMessage>> groups = new ArrayList<>(); |
| List<Person> senders = new ArrayList<>(); |
| |
| // Lets first find the groups (populate `groups` and `senders`) |
| findGroups(historicMessages, messages, groups, senders); |
| |
| // Let's now create the views and reorder them accordingly |
| // side-effect: updates mGroups, mAddedGroups |
| createGroupViews(groups, senders, showSpinner); |
| |
| // Let's first check which groups were removed altogether and remove them in one animation |
| removeGroups(oldGroups); |
| |
| // Let's remove the remaining messages |
| mMessages.forEach(REMOVE_MESSAGE); |
| mHistoricMessages.forEach(REMOVE_MESSAGE); |
| |
| mMessages = messages; |
| mHistoricMessages = historicMessages; |
| |
| updateHistoricMessageVisibility(); |
| updateTitleAndNamesDisplay(); |
| |
| updateConversationLayout(); |
| } |
| |
| /** |
| * Update the layout according to the data provided (i.e mIsOneToOne, expanded etc); |
| */ |
| private void updateConversationLayout() { |
| // Set avatar and name |
| CharSequence conversationText = mConversationTitle; |
| // TODO: display the secondary text somewhere |
| if (mIsOneToOne) { |
| // Let's resolve the icon / text from the last sender |
| mConversationIcon.setVisibility(VISIBLE); |
| mConversationFacePile.setVisibility(GONE); |
| CharSequence userKey = getKey(mUser); |
| for (int i = mGroups.size() - 1; i >= 0; i--) { |
| MessagingGroup messagingGroup = mGroups.get(i); |
| Person messageSender = messagingGroup.getSender(); |
| if ((messageSender != null && !TextUtils.equals(userKey, getKey(messageSender))) |
| || i == 0) { |
| if (TextUtils.isEmpty(conversationText)) { |
| // We use the sendername as header text if no conversation title is provided |
| // (This usually happens for most 1:1 conversations) |
| conversationText = messagingGroup.getSenderName(); |
| } |
| Icon avatarIcon = messagingGroup.getAvatarIcon(); |
| if (avatarIcon == null) { |
| avatarIcon = createAvatarSymbol(conversationText, "", mLayoutColor); |
| } |
| mConversationIcon.setImageIcon(avatarIcon); |
| break; |
| } |
| } |
| } else { |
| if (mIsCollapsed) { |
| if (mLargeIcon != null) { |
| mConversationIcon.setVisibility(VISIBLE); |
| mConversationFacePile.setVisibility(GONE); |
| mConversationIcon.setImageIcon(mLargeIcon); |
| } else { |
| mConversationIcon.setVisibility(GONE); |
| // This will also inflate it! |
| mConversationFacePile.setVisibility(VISIBLE); |
| mConversationFacePile = findViewById(R.id.conversation_face_pile); |
| bindFacePile(); |
| } |
| } else { |
| mConversationFacePile.setVisibility(GONE); |
| mConversationIcon.setVisibility(GONE); |
| } |
| } |
| if (TextUtils.isEmpty(conversationText)) { |
| conversationText = mIsOneToOne ? mFallbackChatName : mFallbackGroupChatName; |
| } |
| mConversationText.setText(conversationText); |
| // Update if the groups can hide the sender if they are first (applies to 1:1 conversations) |
| // This needs to happen after all of the above o update all of the groups |
| for (int i = mGroups.size() - 1; i >= 0; i--) { |
| MessagingGroup messagingGroup = mGroups.get(i); |
| CharSequence messageSender = messagingGroup.getSenderName(); |
| boolean canHide = mIsOneToOne |
| && TextUtils.equals(conversationText, messageSender); |
| messagingGroup.setCanHideSenderIfFirst(canHide); |
| } |
| updateIconPositionAndSize(); |
| updateImageMessages(); |
| updateAppName(); |
| } |
| |
| private void updateImageMessages() { |
| boolean displayExternalImage = false; |
| ArraySet<View> newMessages = new ArraySet<>(); |
| if (mIsCollapsed) { |
| |
| // When collapsed, we're displaying all image messages in a dedicated container |
| // on the right of the layout instead of inline. Let's add all isolated images there |
| int imageIndex = 0; |
| for (int i = 0; i < mGroups.size(); i++) { |
| MessagingGroup messagingGroup = mGroups.get(i); |
| MessagingImageMessage isolatedMessage = messagingGroup.getIsolatedMessage(); |
| if (isolatedMessage != null) { |
| newMessages.add(isolatedMessage.getView()); |
| displayExternalImage = true; |
| if (imageIndex |
| != mImageMessageContainer.indexOfChild(isolatedMessage.getView())) { |
| mImageMessageContainer.removeView(isolatedMessage.getView()); |
| mImageMessageContainer.addView(isolatedMessage.getView(), imageIndex); |
| } |
| imageIndex++; |
| } |
| } |
| } |
| // Remove all messages that don't belong into the image layout |
| for (int i = 0; i < mImageMessageContainer.getChildCount(); i++) { |
| View child = mImageMessageContainer.getChildAt(i); |
| if (!newMessages.contains(child)) { |
| mImageMessageContainer.removeView(child); |
| i--; |
| } |
| } |
| mImageMessageContainer.setVisibility(displayExternalImage ? VISIBLE : GONE); |
| } |
| |
| private void bindFacePile() { |
| // Let's bind the face pile |
| View bottomBackground = mConversationFacePile.findViewById( |
| R.id.conversation_face_pile_bottom_background); |
| applyNotificationBackgroundColor(bottomBackground); |
| ImageView bottomView = mConversationFacePile.findViewById( |
| R.id.conversation_face_pile_bottom); |
| ImageView topView = mConversationFacePile.findViewById( |
| R.id.conversation_face_pile_top); |
| // Let's find the two last conversations: |
| Icon secondLastIcon = null; |
| CharSequence lastKey = null; |
| Icon lastIcon = null; |
| CharSequence userKey = getKey(mUser); |
| for (int i = mGroups.size() - 1; i >= 0; i--) { |
| MessagingGroup messagingGroup = mGroups.get(i); |
| Person messageSender = messagingGroup.getSender(); |
| boolean notUser = messageSender != null |
| && !TextUtils.equals(userKey, getKey(messageSender)); |
| boolean notIncluded = messageSender != null |
| && !TextUtils.equals(lastKey, getKey(messageSender)); |
| if ((notUser && notIncluded) |
| || (i == 0 && lastKey == null)) { |
| if (lastIcon == null) { |
| lastIcon = messagingGroup.getAvatarIcon(); |
| lastKey = getKey(messageSender); |
| } else { |
| secondLastIcon = messagingGroup.getAvatarIcon(); |
| break; |
| } |
| } |
| } |
| if (lastIcon == null) { |
| lastIcon = createAvatarSymbol(" ", "", mLayoutColor); |
| } |
| bottomView.setImageIcon(lastIcon); |
| if (secondLastIcon == null) { |
| secondLastIcon = createAvatarSymbol("", "", mLayoutColor); |
| } |
| topView.setImageIcon(secondLastIcon); |
| } |
| |
| private void updateAppName() { |
| mAppName.setVisibility(mIsCollapsed ? GONE : VISIBLE); |
| } |
| |
| public boolean shouldHideAppName() { |
| return mIsCollapsed; |
| } |
| |
| /** |
| * update the icon position and sizing |
| */ |
| private void updateIconPositionAndSize() { |
| int gravity; |
| int marginStart; |
| int marginTop; |
| int iconSize; |
| if (mIsOneToOne || mIsCollapsed) { |
| // Badged format |
| gravity = Gravity.LEFT; |
| marginStart = mBadgedSideMargins; |
| marginTop = mBadgedSideMargins; |
| iconSize = mIconSizeBadged; |
| } else { |
| gravity = Gravity.CENTER_HORIZONTAL; |
| marginStart = 0; |
| marginTop = mExpandedGroupTopMargin; |
| iconSize = mIconSizeCentered; |
| } |
| LayoutParams layoutParams = |
| (LayoutParams) mConversationIconBadge.getLayoutParams(); |
| layoutParams.gravity = gravity; |
| layoutParams.topMargin = marginTop; |
| layoutParams.setMarginStart(marginStart); |
| layoutParams.width = iconSize; |
| layoutParams.height = iconSize; |
| mConversationIconBadge.setLayoutParams(layoutParams); |
| } |
| |
| @RemotableViewMethod |
| public void setLargeIcon(Icon largeIcon) { |
| mLargeIcon = largeIcon; |
| } |
| |
| /** |
| * Sets the conversation title of this conversation. |
| * |
| * @param conversationTitle the conversation title |
| */ |
| @RemotableViewMethod |
| public void setConversationTitle(CharSequence conversationTitle) { |
| mConversationTitle = conversationTitle; |
| } |
| |
| private void removeGroups(ArrayList<MessagingGroup> oldGroups) { |
| int size = oldGroups.size(); |
| for (int i = 0; i < size; i++) { |
| MessagingGroup group = oldGroups.get(i); |
| if (!mGroups.contains(group)) { |
| List<MessagingMessage> messages = group.getMessages(); |
| Runnable endRunnable = () -> { |
| mMessagingLinearLayout.removeTransientView(group); |
| group.recycle(); |
| }; |
| |
| boolean wasShown = group.isShown(); |
| mMessagingLinearLayout.removeView(group); |
| if (wasShown && !MessagingLinearLayout.isGone(group)) { |
| mMessagingLinearLayout.addTransientView(group, 0); |
| group.removeGroupAnimated(endRunnable); |
| } else { |
| endRunnable.run(); |
| } |
| mMessages.removeAll(messages); |
| mHistoricMessages.removeAll(messages); |
| } |
| } |
| } |
| |
| private void updateTitleAndNamesDisplay() { |
| ArrayMap<CharSequence, String> uniqueNames = new ArrayMap<>(); |
| ArrayMap<Character, CharSequence> uniqueCharacters = new ArrayMap<>(); |
| for (int i = 0; i < mGroups.size(); i++) { |
| MessagingGroup group = mGroups.get(i); |
| CharSequence senderName = group.getSenderName(); |
| if (!group.needsGeneratedAvatar() || TextUtils.isEmpty(senderName)) { |
| continue; |
| } |
| if (!uniqueNames.containsKey(senderName)) { |
| // Only use visible characters to get uniqueNames |
| String pureSenderName = IGNORABLE_CHAR_PATTERN |
| .matcher(senderName).replaceAll("" /* replacement */); |
| char c = pureSenderName.charAt(0); |
| if (uniqueCharacters.containsKey(c)) { |
| // this character was already used, lets make it more unique. We first need to |
| // resolve the existing character if it exists |
| CharSequence existingName = uniqueCharacters.get(c); |
| if (existingName != null) { |
| uniqueNames.put(existingName, findNameSplit((String) existingName)); |
| uniqueCharacters.put(c, null); |
| } |
| uniqueNames.put(senderName, findNameSplit((String) senderName)); |
| } else { |
| uniqueNames.put(senderName, Character.toString(c)); |
| uniqueCharacters.put(c, pureSenderName); |
| } |
| } |
| } |
| |
| // Now that we have the correct symbols, let's look what we have cached |
| ArrayMap<CharSequence, Icon> cachedAvatars = new ArrayMap<>(); |
| for (int i = 0; i < mGroups.size(); i++) { |
| // Let's now set the avatars |
| MessagingGroup group = mGroups.get(i); |
| boolean isOwnMessage = group.getSender() == mUser; |
| CharSequence senderName = group.getSenderName(); |
| if (!group.needsGeneratedAvatar() || TextUtils.isEmpty(senderName) |
| || (mIsOneToOne && mAvatarReplacement != null && !isOwnMessage)) { |
| continue; |
| } |
| String symbol = uniqueNames.get(senderName); |
| Icon cachedIcon = group.getAvatarSymbolIfMatching(senderName, |
| symbol, mLayoutColor); |
| if (cachedIcon != null) { |
| cachedAvatars.put(senderName, cachedIcon); |
| } |
| } |
| |
| for (int i = 0; i < mGroups.size(); i++) { |
| // Let's now set the avatars |
| MessagingGroup group = mGroups.get(i); |
| CharSequence senderName = group.getSenderName(); |
| if (!group.needsGeneratedAvatar() || TextUtils.isEmpty(senderName)) { |
| continue; |
| } |
| if (mIsOneToOne && mAvatarReplacement != null && group.getSender() != mUser) { |
| group.setAvatar(mAvatarReplacement); |
| } else { |
| Icon cachedIcon = cachedAvatars.get(senderName); |
| if (cachedIcon == null) { |
| cachedIcon = createAvatarSymbol(senderName, uniqueNames.get(senderName), |
| mLayoutColor); |
| cachedAvatars.put(senderName, cachedIcon); |
| } |
| group.setCreatedAvatar(cachedIcon, senderName, uniqueNames.get(senderName), |
| mLayoutColor); |
| } |
| } |
| } |
| |
| private Icon createAvatarSymbol(CharSequence senderName, String symbol, int layoutColor) { |
| if (symbol.isEmpty() || TextUtils.isDigitsOnly(symbol) || |
| SPECIAL_CHAR_PATTERN.matcher(symbol).find()) { |
| Icon avatarIcon = Icon.createWithResource(getContext(), |
| R.drawable.messaging_user); |
| avatarIcon.setTint(findColor(senderName, layoutColor)); |
| return avatarIcon; |
| } else { |
| Bitmap bitmap = Bitmap.createBitmap(mAvatarSize, mAvatarSize, Bitmap.Config.ARGB_8888); |
| Canvas canvas = new Canvas(bitmap); |
| float radius = mAvatarSize / 2.0f; |
| int color = findColor(senderName, layoutColor); |
| mPaint.setColor(color); |
| canvas.drawCircle(radius, radius, radius, mPaint); |
| boolean needDarkText = ColorUtils.calculateLuminance(color) > 0.5f; |
| mTextPaint.setColor(needDarkText ? Color.BLACK : Color.WHITE); |
| mTextPaint.setTextSize(symbol.length() == 1 ? mAvatarSize * 0.5f : mAvatarSize * 0.3f); |
| int yPos = (int) (radius - ((mTextPaint.descent() + mTextPaint.ascent()) / 2)); |
| canvas.drawText(symbol, radius, yPos, mTextPaint); |
| return Icon.createWithBitmap(bitmap); |
| } |
| } |
| |
| private int findColor(CharSequence senderName, int layoutColor) { |
| double luminance = ContrastColorUtil.calculateLuminance(layoutColor); |
| float shift = Math.abs(senderName.hashCode()) % 5 / 4.0f - 0.5f; |
| |
| // we need to offset the range if the luminance is too close to the borders |
| shift += Math.max(COLOR_SHIFT_AMOUNT / 2.0f / 100 - luminance, 0); |
| shift -= Math.max(COLOR_SHIFT_AMOUNT / 2.0f / 100 - (1.0f - luminance), 0); |
| return ContrastColorUtil.getShiftedColor(layoutColor, |
| (int) (shift * COLOR_SHIFT_AMOUNT)); |
| } |
| |
| private String findNameSplit(String existingName) { |
| String[] split = existingName.split(" "); |
| if (split.length > 1) { |
| return Character.toString(split[0].charAt(0)) |
| + Character.toString(split[1].charAt(0)); |
| } |
| return existingName.substring(0, 1); |
| } |
| |
| @RemotableViewMethod |
| public void setLayoutColor(int color) { |
| mLayoutColor = color; |
| } |
| |
| @RemotableViewMethod |
| public void setIsOneToOne(boolean oneToOne) { |
| mIsOneToOne = oneToOne; |
| } |
| |
| @RemotableViewMethod |
| public void setSenderTextColor(int color) { |
| mSenderTextColor = color; |
| } |
| |
| /** |
| * @param color the color of the notification background |
| */ |
| @RemotableViewMethod |
| public void setNotificationBackgroundColor(int color) { |
| mNotificationBackgroundColor = color; |
| applyNotificationBackgroundColor(mConversationIconBadge); |
| } |
| |
| private void applyNotificationBackgroundColor(View view) { |
| view.setBackgroundTintList(ColorStateList.valueOf(mNotificationBackgroundColor)); |
| } |
| |
| @RemotableViewMethod |
| public void setMessageTextColor(int color) { |
| mMessageTextColor = color; |
| } |
| |
| private void setUser(Person user) { |
| mUser = user; |
| if (mUser.getIcon() == null) { |
| Icon userIcon = Icon.createWithResource(getContext(), |
| R.drawable.messaging_user); |
| userIcon.setTint(mLayoutColor); |
| mUser = mUser.toBuilder().setIcon(userIcon).build(); |
| } |
| } |
| |
| private void createGroupViews(List<List<MessagingMessage>> groups, |
| List<Person> senders, boolean showSpinner) { |
| mGroups.clear(); |
| for (int groupIndex = 0; groupIndex < groups.size(); groupIndex++) { |
| List<MessagingMessage> group = groups.get(groupIndex); |
| MessagingGroup newGroup = null; |
| // we'll just take the first group that exists or create one there is none |
| for (int messageIndex = group.size() - 1; messageIndex >= 0; messageIndex--) { |
| MessagingMessage message = group.get(messageIndex); |
| newGroup = message.getGroup(); |
| if (newGroup != null) { |
| break; |
| } |
| } |
| // Create a new group, adding it to the linear layout as well |
| if (newGroup == null) { |
| newGroup = MessagingGroup.createGroup(mMessagingLinearLayout); |
| mAddedGroups.add(newGroup); |
| } |
| newGroup.setImageDisplayLocation(mIsCollapsed |
| ? IMAGE_DISPLAY_LOCATION_EXTERNAL |
| : IMAGE_DISPLAY_LOCATION_INLINE); |
| newGroup.setIsInConversation(true); |
| newGroup.setLayoutColor(mLayoutColor); |
| newGroup.setTextColors(mSenderTextColor, mMessageTextColor); |
| Person sender = senders.get(groupIndex); |
| CharSequence nameOverride = null; |
| if (sender != mUser && mNameReplacement != null) { |
| nameOverride = mNameReplacement; |
| } |
| newGroup.setShowingAvatar(!mIsOneToOne && !mIsCollapsed); |
| newGroup.setSingleLine(mIsCollapsed); |
| newGroup.setSender(sender, nameOverride); |
| newGroup.setSending(groupIndex == (groups.size() - 1) && showSpinner); |
| mGroups.add(newGroup); |
| |
| // Reposition to the correct place (if we're re-using a group) |
| if (mMessagingLinearLayout.indexOfChild(newGroup) != groupIndex) { |
| mMessagingLinearLayout.removeView(newGroup); |
| mMessagingLinearLayout.addView(newGroup, groupIndex); |
| } |
| newGroup.setMessages(group); |
| } |
| } |
| |
| private void findGroups(List<MessagingMessage> historicMessages, |
| List<MessagingMessage> messages, List<List<MessagingMessage>> groups, |
| List<Person> senders) { |
| CharSequence currentSenderKey = null; |
| List<MessagingMessage> currentGroup = null; |
| int histSize = historicMessages.size(); |
| for (int i = 0; i < histSize + messages.size(); i++) { |
| MessagingMessage message; |
| if (i < histSize) { |
| message = historicMessages.get(i); |
| } else { |
| message = messages.get(i - histSize); |
| } |
| boolean isNewGroup = currentGroup == null; |
| Person sender = message.getMessage().getSenderPerson(); |
| CharSequence key = getKey(sender); |
| isNewGroup |= !TextUtils.equals(key, currentSenderKey); |
| if (isNewGroup) { |
| currentGroup = new ArrayList<>(); |
| groups.add(currentGroup); |
| if (sender == null) { |
| sender = mUser; |
| } |
| senders.add(sender); |
| currentSenderKey = key; |
| } |
| currentGroup.add(message); |
| } |
| } |
| |
| private CharSequence getKey(Person person) { |
| return person == null ? null : person.getKey() == null ? person.getName() : person.getKey(); |
| } |
| |
| /** |
| * Creates new messages, reusing existing ones if they are available. |
| * |
| * @param newMessages the messages to parse. |
| */ |
| private List<MessagingMessage> createMessages( |
| List<Notification.MessagingStyle.Message> newMessages, boolean historic) { |
| List<MessagingMessage> result = new ArrayList<>(); |
| for (int i = 0; i < newMessages.size(); i++) { |
| Notification.MessagingStyle.Message m = newMessages.get(i); |
| MessagingMessage message = findAndRemoveMatchingMessage(m); |
| if (message == null) { |
| message = MessagingMessage.createMessage(this, m, mImageResolver); |
| } |
| message.setIsHistoric(historic); |
| result.add(message); |
| } |
| return result; |
| } |
| |
| private MessagingMessage findAndRemoveMatchingMessage(Notification.MessagingStyle.Message m) { |
| for (int i = 0; i < mMessages.size(); i++) { |
| MessagingMessage existing = mMessages.get(i); |
| if (existing.sameAs(m)) { |
| mMessages.remove(i); |
| return existing; |
| } |
| } |
| for (int i = 0; i < mHistoricMessages.size(); i++) { |
| MessagingMessage existing = mHistoricMessages.get(i); |
| if (existing.sameAs(m)) { |
| mHistoricMessages.remove(i); |
| return existing; |
| } |
| } |
| return null; |
| } |
| |
| public void showHistoricMessages(boolean show) { |
| mShowHistoricMessages = show; |
| updateHistoricMessageVisibility(); |
| } |
| |
| private void updateHistoricMessageVisibility() { |
| int numHistoric = mHistoricMessages.size(); |
| for (int i = 0; i < numHistoric; i++) { |
| MessagingMessage existing = mHistoricMessages.get(i); |
| existing.setVisibility(mShowHistoricMessages ? VISIBLE : GONE); |
| } |
| int numGroups = mGroups.size(); |
| for (int i = 0; i < numGroups; i++) { |
| MessagingGroup group = mGroups.get(i); |
| int visibleChildren = 0; |
| List<MessagingMessage> messages = group.getMessages(); |
| int numGroupMessages = messages.size(); |
| for (int j = 0; j < numGroupMessages; j++) { |
| MessagingMessage message = messages.get(j); |
| if (message.getVisibility() != GONE) { |
| visibleChildren++; |
| } |
| } |
| if (visibleChildren > 0 && group.getVisibility() == GONE) { |
| group.setVisibility(VISIBLE); |
| } else if (visibleChildren == 0 && group.getVisibility() != GONE) { |
| group.setVisibility(GONE); |
| } |
| } |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| if (!mAddedGroups.isEmpty()) { |
| getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { |
| @Override |
| public boolean onPreDraw() { |
| for (MessagingGroup group : mAddedGroups) { |
| if (!group.isShown()) { |
| continue; |
| } |
| MessagingPropertyAnimator.fadeIn(group.getAvatar()); |
| MessagingPropertyAnimator.fadeIn(group.getSenderView()); |
| MessagingPropertyAnimator.startLocalTranslationFrom(group, |
| group.getHeight(), LINEAR_OUT_SLOW_IN); |
| } |
| mAddedGroups.clear(); |
| getViewTreeObserver().removeOnPreDrawListener(this); |
| return true; |
| } |
| }); |
| } |
| } |
| |
| public MessagingLinearLayout getMessagingLinearLayout() { |
| return mMessagingLinearLayout; |
| } |
| |
| public @NonNull ViewGroup getImageMessageContainer() { |
| return mImageMessageContainer; |
| } |
| |
| public ArrayList<MessagingGroup> getMessagingGroups() { |
| return mGroups; |
| } |
| |
| private void updateExpandButton() { |
| int drawableId; |
| int contentDescriptionId; |
| int gravity; |
| int topMargin = 0; |
| ViewGroup newContainer; |
| if (mIsCollapsed) { |
| drawableId = R.drawable.ic_expand_notification; |
| contentDescriptionId = R.string.expand_button_content_description_collapsed; |
| gravity = Gravity.CENTER; |
| newContainer = mExpandButtonAndContentContainer; |
| } else { |
| drawableId = R.drawable.ic_collapse_notification; |
| contentDescriptionId = R.string.expand_button_content_description_expanded; |
| gravity = Gravity.CENTER_HORIZONTAL | Gravity.TOP; |
| topMargin = mExpandButtonExpandedTopMargin; |
| newContainer = this; |
| } |
| mExpandButton.setImageDrawable(getContext().getDrawable(drawableId)); |
| mExpandButton.setColorFilter(mExpandButton.getOriginalNotificationColor()); |
| |
| // We need to make sure that the expand button is in the linearlayout pushing over the |
| // content when collapsed, but allows the content to flow under it when expanded. |
| if (newContainer != mExpandButtonContainer.getParent()) { |
| ((ViewGroup) mExpandButtonContainer.getParent()).removeView(mExpandButtonContainer); |
| newContainer.addView(mExpandButtonContainer); |
| } |
| |
| // update if the expand button is centered |
| LinearLayout.LayoutParams layoutParams = |
| (LinearLayout.LayoutParams) mExpandButton.getLayoutParams(); |
| layoutParams.gravity = gravity; |
| layoutParams.topMargin = topMargin; |
| mExpandButton.setLayoutParams(layoutParams); |
| |
| mExpandButtonContainer.setContentDescription(mContext.getText(contentDescriptionId)); |
| } |
| |
| private void updateContentPaddings() { |
| |
| // Let's make sure the conversation header can't run into the expand button when we're |
| // collapsed and update the paddings of the content |
| int headerPaddingEnd; |
| int contentPaddingEnd; |
| if (!mExpandable) { |
| headerPaddingEnd = 0; |
| contentPaddingEnd = mContentMarginEnd; |
| } else if (mIsCollapsed) { |
| headerPaddingEnd = 0; |
| contentPaddingEnd = 0; |
| } else { |
| headerPaddingEnd = mNotificationHeaderExpandedPadding; |
| contentPaddingEnd = mContentMarginEnd; |
| } |
| mConversationHeader.setPaddingRelative( |
| mConversationHeader.getPaddingStart(), |
| mConversationHeader.getPaddingTop(), |
| headerPaddingEnd, |
| mConversationHeader.getPaddingBottom()); |
| |
| mContentContainer.setPaddingRelative( |
| mContentContainer.getPaddingStart(), |
| mContentContainer.getPaddingTop(), |
| contentPaddingEnd, |
| mContentContainer.getPaddingBottom()); |
| } |
| |
| public void updateExpandability(boolean expandable, @Nullable OnClickListener onClickListener) { |
| mExpandable = expandable; |
| if (expandable) { |
| mExpandButtonContainer.setVisibility(VISIBLE); |
| mExpandButtonContainer.setOnClickListener(onClickListener); |
| } else { |
| // TODO: handle content paddings to end of layout |
| mExpandButtonContainer.setVisibility(GONE); |
| } |
| updateContentPaddings(); |
| } |
| |
| @Override |
| public void setMessagingClippingDisabled(boolean clippingDisabled) { |
| mMessagingLinearLayout.setClipBounds(clippingDisabled ? null : mMessagingClipRect); |
| } |
| } |