linphone-ios/Linphone/UI/Main/ContentView.swift

/*
 * Copyright (c) 2010-2023 Belledonne Communications SARL.
 *
 * This file is part of linphone-iphone
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

import SwiftUI

struct ContentView: View {
	
	@ObservedObject var sharedMainViewModel: SharedMainViewModel
	@ObservedObject var contactViewModel: ContactViewModel
	@ObservedObject var historyViewModel: HistoryViewModel
	@ObservedObject private var coreContext = CoreContext.shared
	
	@State var index = 0
	@State private var orientation = UIDevice.current.orientation
	
	var body: some View {
		if !sharedMainViewModel.welcomeViewDisplayed {
			WelcomeView(sharedMainViewModel: sharedMainViewModel)
		} else if coreContext.mCore.defaultAccount == nil || sharedMainViewModel.displayProfileMode {
			AssistantView(sharedMainViewModel: sharedMainViewModel)
		} else {
			GeometryReader { geometry in
				ZStack {
					VStack(spacing: 0) {
						HStack(spacing: 0) {
							if orientation == .landscapeLeft || orientation == .landscapeRight || UIScreen.main.bounds.size.width > UIScreen.main.bounds.size.height {
								VStack {
									Group {
										Spacer()
										Button(action: {
											self.index = 0
										}, label: {
											VStack {
												Image("address-book")
													.renderingMode(.template)
													.resizable()
													.foregroundStyle(self.index == 0 ? Color.orangeMain500 : Color.grayMain2c600)
													.frame(width: 25, height: 25)
												if self.index == 0 {
													Text("Contacts")
														.default_text_style_700(styleSize: 10)
												} else {
													Text("Contacts")
														.default_text_style(styleSize: 10)
												}
											}
										})
										
										Spacer()
										
										Button(action: {
											self.index = 1
											contactViewModel.contactTitle = ""
										}, label: {
											VStack {
												Image("phone")
													.renderingMode(.template)
													.resizable()
													.foregroundStyle(self.index == 1 ? Color.orangeMain500 : Color.grayMain2c600)
													.frame(width: 25, height: 25)
												if self.index == 1 {
													Text("Calls")
														.default_text_style_700(styleSize: 10)
												} else {
													Text("Calls")
														.default_text_style(styleSize: 10)
												}
											}
										})
										
										Spacer()
									}
								}
								.frame(width: 75)
								.padding(.leading, orientation == .landscapeRight && geometry.safeAreaInsets.bottom > 0 ? -geometry.safeAreaInsets.leading : 0)
							}
							
							VStack {
								if self.index == 0 {
									ContactsView(contactViewModel: contactViewModel, historyViewModel: historyViewModel)
								} else if self.index == 1 {
									HistoryView()
								}
							}
							.frame(maxWidth:
									(orientation == .landscapeLeft || orientation == .landscapeRight || UIScreen.main.bounds.size.width > UIScreen.main.bounds.size.height)
								   ? geometry.size.width/100*40
								   : .infinity
							)
							
							if orientation == .landscapeLeft || orientation == .landscapeRight || UIScreen.main.bounds.size.width > UIScreen.main.bounds.size.height {
								Spacer()
							}
						}
						.shadow(color: Color.gray200, radius: 2)
						
						if !(orientation == .landscapeLeft || orientation == .landscapeRight || UIScreen.main.bounds.size.width > UIScreen.main.bounds.size.height) {
							HStack {
								Group {
									Spacer()
									Button(action: {
										self.index = 0
									}, label: {
										VStack {
											Image("address-book")
												.renderingMode(.template)
												.resizable()
												.foregroundStyle(self.index == 0 ? Color.orangeMain500 : Color.grayMain2c600)
												.frame(width: 25, height: 25)
											if self.index == 0 {
												Text("Contacts")
													.default_text_style_700(styleSize: 10)
											} else {
												Text("Contacts")
													.default_text_style(styleSize: 10)
											}
										}
									})
									.padding(.top)
									
									Spacer()
									
									Button(action: {
										self.index = 1
										contactViewModel.contactTitle = ""
									}, label: {
										VStack {
											Image("phone")
												.renderingMode(.template)
												.resizable()
												.foregroundStyle(self.index == 1 ? Color.orangeMain500 : Color.grayMain2c600)
												.frame(width: 25, height: 25)
											if self.index == 1 {
												Text("Calls")
													.default_text_style_700(styleSize: 10)
											} else {
												Text("Calls")
													.default_text_style(styleSize: 10)
											}
										}
									})
									.padding(.top)
									Spacer()
								}
							}
							.padding(.bottom, geometry.safeAreaInsets.bottom > 0 ? 0 : 15)
							.background(
								Color.white
									.shadow(color: Color.gray200, radius: 4, x: 0, y: 0)
									.mask(Rectangle().padding(.top, -8))
							)
						}
					}
					
					if !contactViewModel.contactTitle.isEmpty || !historyViewModel.historyTitle.isEmpty {
						HStack(spacing: 0) {
							Spacer()
								.frame(maxWidth:
										(orientation == .landscapeLeft || orientation == .landscapeRight || UIScreen.main.bounds.size.width > UIScreen.main.bounds.size.height)
									   ? (geometry.size.width/100*40) + 75
									   : 0
								)
							if self.index == 0 {
								ContactFragment(contactViewModel: contactViewModel)
									.frame(maxWidth: .infinity)
									.background(Color.gray100)
							} else if self.index == 1 {
								HistoryContactFragment()
									.frame(maxWidth: .infinity)
									.background(Color.gray100)
							}
						}
						.padding(.leading, orientation == .landscapeRight && geometry.safeAreaInsets.bottom > 0 ? -geometry.safeAreaInsets.leading : 0)
						.transition(.move(edge: .trailing))
					}
				}
			}
			.onRotate { newOrientation in
				orientation = newOrientation
			}
		}
	}
}

#Preview {
	ContentView(sharedMainViewModel: SharedMainViewModel(), contactViewModel: ContactViewModel(), historyViewModel: HistoryViewModel())
}