//  _____ _
// |_   _| |_  _ _ ___ ___ _ __  __ _
//   | | | ' \| '_/ -_) -_) '  \/ _` |_
//   |_| |_||_|_| \___\___|_|_|_\__,_(_)
//
// Threema iOS Client
// Copyright (c) 2012-2020 Threema GmbH
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License, version 3,
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.

static CGFloat const kSentDateMinFontSize = 12.0f;
static CGFloat const kSentDateMaxFontSize = 17.0f;
static CGFloat const kLocationMinFontSize  = 12.0f;
static CGFloat const kSystemMessageMinFontSize = 12.0f;
static CGFloat const kSystemMessageMaxFontSize = 17.0f;
static CGFloat const kChatContactMinFontSize = 12.0f;
static CGFloat const kChatContactMaxFontSize = 17.0f;
static CGFloat const kMessageScreenMargin = 140.0f;
static CGFloat const kLandscapeWidthThreshold = 321.0f;
static CGFloat const kMessageImageWidth = 240.0f;
static CGFloat const kMessageImageHeight = 240.0f;
static CGFloat const kContentHeightMaxPortrait  = 142.0f;       // 7 lines
static CGFloat const kContentHeightMaxLandscape  = 82.0f;       // 3 lines
static CGFloat const kChatBarHeight1    = 40.0f;
static CGFloat const kScrollButtonAlpha = 1.0f;
static CGFloat const kIphoneXChatBarBottomPadding = 20.0f;
static CGFloat const kIphoneXChatBarLandscapePadding = 35.0f;

#define ClearConversationButtonIndex 0

#define MESSAGES_AT_START   20
#define LOAD_MESSAGES_PER_PAGE 100