Java tutorial
/* * This is the source code of Telegram for Android v. 3.x.x. * It is licensed under GNU GPL v. 2 or later. * You should have received a copy of the license in this archive (see LICENSE). * * Copyright Nikolai Kudashov, 2013-2016. */ package org.telegram.ui.Cells; import android.content.Context; import android.support.v4.content.ContextCompat; import android.view.Gravity; import android.widget.FrameLayout; import android.widget.ImageView; import org.telegram.messenger.AndroidUtilities; import org.telegram.messenger.LocaleController; import org.telegram.messenger.MessagesController; import org.telegram.messenger.UserObject; import org.telegram.messenger.R; import org.telegram.tgnet.ConnectionsManager; import org.telegram.tgnet.TLObject; import org.telegram.tgnet.TLRPC; import org.telegram.messenger.UserConfig; import org.telegram.ui.Components.AvatarDrawable; import org.telegram.ui.Components.BackupImageView; import org.telegram.ui.Components.CheckBox; import org.telegram.ui.Components.CheckBoxSquare; import org.telegram.ui.Components.ForegroundFrameLayout; import org.telegram.ui.Components.LayoutHelper; import org.telegram.ui.ActionBar.SimpleTextView; public class UserCell extends ForegroundFrameLayout { private BackupImageView avatarImageView; private SimpleTextView nameTextView; private SimpleTextView statusTextView; private ImageView imageView; private CheckBox checkBox; private CheckBoxSquare checkBoxBig; private ImageView adminImage; private AvatarDrawable avatarDrawable; private TLObject currentObject; private CharSequence currentName; private CharSequence currrntStatus; private int currentDrawable; private String lastName; private int lastStatus; private TLRPC.FileLocation lastAvatar; private int statusColor = 0xffa8a8a8; private int statusOnlineColor = 0xff3b84c0; public UserCell(Context context, int padding, int checkbox, boolean admin) { super(context); setElevation(AndroidUtilities.dp(2)); setBackgroundColor(ContextCompat.getColor(context, R.color.card_background)); avatarDrawable = new AvatarDrawable(); avatarImageView = new BackupImageView(context); avatarImageView.setRoundRadius(AndroidUtilities.dp(24)); addView(avatarImageView, LayoutHelper.createFrame(48, 48, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 0 : 7 + padding, 8, LocaleController.isRTL ? 7 + padding : 0, 0)); nameTextView = new SimpleTextView(context); nameTextView.setTextColor(ContextCompat.getColor(context, R.color.primary_text)); nameTextView.setTextSize(17); nameTextView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP); addView(nameTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 20, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 28 + (checkbox == 2 ? 18 : 0) : (68 + padding), 11.5f, LocaleController.isRTL ? (68 + padding) : 28 + (checkbox == 2 ? 18 : 0), 0)); statusTextView = new SimpleTextView(context); statusTextView.setTextSize(14); statusTextView.setGravity((LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP); addView(statusTextView, LayoutHelper.createFrame(LayoutHelper.MATCH_PARENT, 20, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 28 : (68 + padding), 34.5f, LocaleController.isRTL ? (68 + padding) : 28, 0)); imageView = new ImageView(context); imageView.setScaleType(ImageView.ScaleType.CENTER); imageView.setVisibility(GONE); addView(imageView, LayoutHelper.createFrame(LayoutParams.WRAP_CONTENT, LayoutHelper.WRAP_CONTENT, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.CENTER_VERTICAL, LocaleController.isRTL ? 0 : 16, 0, LocaleController.isRTL ? 16 : 0, 0)); if (checkbox == 2) { checkBoxBig = new CheckBoxSquare(context); addView(checkBoxBig, LayoutHelper.createFrame(18, 18, (LocaleController.isRTL ? Gravity.LEFT : Gravity.RIGHT) | Gravity.CENTER_VERTICAL, LocaleController.isRTL ? 19 : 0, 0, LocaleController.isRTL ? 0 : 19, 0)); } else if (checkbox == 1) { checkBox = new CheckBox(context, R.drawable.round_check2); checkBox.setVisibility(INVISIBLE); addView(checkBox, LayoutHelper.createFrame(22, 22, (LocaleController.isRTL ? Gravity.RIGHT : Gravity.LEFT) | Gravity.TOP, LocaleController.isRTL ? 0 : 37 + padding, 38, LocaleController.isRTL ? 37 + padding : 0, 0)); } if (admin) { adminImage = new ImageView(context); addView(adminImage, LayoutHelper.createFrame(16, 16, (LocaleController.isRTL ? Gravity.LEFT : Gravity.RIGHT) | Gravity.TOP, LocaleController.isRTL ? 24 : 0, 13.5f, LocaleController.isRTL ? 0 : 24, 0)); } } public void setIsAdmin(int value) { if (adminImage == null) { return; } adminImage.setVisibility(value != 0 ? VISIBLE : GONE); nameTextView.setPadding(LocaleController.isRTL && value != 0 ? AndroidUtilities.dp(16) : 0, 0, !LocaleController.isRTL && value != 0 ? AndroidUtilities.dp(16) : 0, 0); if (value == 1) { adminImage.setImageResource(R.drawable.admin_star); } else if (value == 2) { adminImage.setImageResource(R.drawable.admin_star2); } } public void setData(TLObject user, CharSequence name, CharSequence status, int resId) { if (user == null) { currrntStatus = null; currentName = null; currentObject = null; nameTextView.setText(""); statusTextView.setText(""); avatarImageView.setImageDrawable(null); return; } currrntStatus = status; currentName = name; currentObject = user; currentDrawable = resId; update(0); } public void setChecked(boolean checked, boolean animated) { if (checkBox != null) { if (checkBox.getVisibility() != VISIBLE) { checkBox.setVisibility(VISIBLE); } checkBox.setChecked(checked, animated); } else if (checkBoxBig != null) { if (checkBoxBig.getVisibility() != VISIBLE) { checkBoxBig.setVisibility(VISIBLE); } checkBoxBig.setChecked(checked, animated); } } public void setCheckDisabled(boolean disabled) { if (checkBoxBig != null) { checkBoxBig.setDisabled(disabled); } } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { super.onMeasure(MeasureSpec.makeMeasureSpec(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(AndroidUtilities.dp(64), MeasureSpec.EXACTLY)); } public void setStatusColors(int color, int onlineColor) { statusColor = color; statusOnlineColor = onlineColor; } public void update(int mask) { if (currentObject == null) { return; } TLRPC.FileLocation photo = null; String newName = null; TLRPC.User currentUser = null; TLRPC.Chat currentChat = null; if (currentObject instanceof TLRPC.User) { currentUser = (TLRPC.User) currentObject; if (currentUser.photo != null) { photo = currentUser.photo.photo_small; } } else { currentChat = (TLRPC.Chat) currentObject; if (currentChat.photo != null) { photo = currentChat.photo.photo_small; } } if (mask != 0) { boolean continueUpdate = false; if ((mask & MessagesController.UPDATE_MASK_AVATAR) != 0) { if (lastAvatar != null && photo == null || lastAvatar == null && photo != null && lastAvatar != null && photo != null && (lastAvatar.volume_id != photo.volume_id || lastAvatar.local_id != photo.local_id)) { continueUpdate = true; } } if (currentUser != null && !continueUpdate && (mask & MessagesController.UPDATE_MASK_STATUS) != 0) { int newStatus = 0; if (currentUser.status != null) { newStatus = currentUser.status.expires; } if (newStatus != lastStatus) { continueUpdate = true; } } if (!continueUpdate && currentName == null && lastName != null && (mask & MessagesController.UPDATE_MASK_NAME) != 0) { if (currentUser != null) { newName = UserObject.getUserName(currentUser); } else { newName = currentChat.title; } if (!newName.equals(lastName)) { continueUpdate = true; } } if (!continueUpdate) { return; } } if (currentUser != null) { avatarDrawable.setInfo(currentUser); if (currentUser.status != null) { lastStatus = currentUser.status.expires; } else { lastStatus = 0; } } else { avatarDrawable.setInfo(currentChat); } if (currentName != null) { lastName = null; nameTextView.setText(currentName); } else { if (currentUser != null) { lastName = newName == null ? UserObject.getUserName(currentUser) : newName; } else { lastName = newName == null ? currentChat.title : newName; } nameTextView.setText(lastName); } if (currrntStatus != null) { statusTextView.setTextColor(statusColor); statusTextView.setText(currrntStatus); } else if (currentUser != null) { if (currentUser.bot) { statusTextView.setTextColor(statusColor); if (currentUser.bot_chat_history || adminImage != null && adminImage.getVisibility() == VISIBLE) { //TODO fix statusTextView.setText(LocaleController.getString("BotStatusRead", R.string.BotStatusRead)); } else { statusTextView .setText(LocaleController.getString("BotStatusCantRead", R.string.BotStatusCantRead)); } } else { if (currentUser.id == UserConfig.getClientUserId() || currentUser.status != null && currentUser.status.expires > ConnectionsManager.getInstance().getCurrentTime() || MessagesController.getInstance().onlinePrivacy.containsKey(currentUser.id)) { statusTextView.setTextColor(statusOnlineColor); statusTextView.setText(LocaleController.getString("Online", R.string.Online)); } else { statusTextView.setTextColor(statusColor); statusTextView.setText(LocaleController.formatUserStatus(currentUser)); } } } if (imageView.getVisibility() == VISIBLE && currentDrawable == 0 || imageView.getVisibility() == GONE && currentDrawable != 0) { imageView.setVisibility(currentDrawable == 0 ? GONE : VISIBLE); imageView.setImageResource(currentDrawable); } avatarImageView.setImage(photo, "50_50", avatarDrawable); } @Override public boolean hasOverlappingRendering() { return false; } }