Repo created

iphone/Maps/Classes/CustomViews/MapViewControls/TrafficButton/MWMTrafficButtonViewController.h

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+#import "MWMViewController.h"
+
+@interface MWMTrafficButtonViewController : MWMViewController
+
++ (MWMTrafficButtonViewController *)controller;
+
+@property(nonatomic) BOOL hidden;
+
++ (void)updateAvailableArea:(CGRect)frame;
+
+@end

iphone/Maps/Classes/CustomViews/MapViewControls/TrafficButton/MWMTrafficButtonViewController.mm

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+#import "MWMTrafficButtonViewController.h"
+
+#import <CoreApi/MWMMapOverlayManager.h>
+
+#import "MWMAlertViewController.h"
+#import "MWMButton.h"
+#import "MWMMapViewControlsCommon.h"
+#import "MWMMapViewControlsManager.h"
+#import "MapViewController.h"
+#import "SwiftBridge.h"
+#import "base/assert.hpp"
+
+namespace {
+CGFloat const kTopOffset = 6;
+
+NSArray<UIImage *> *imagesWithName(NSString *name) {
+  NSUInteger const imagesCount = 3;
+  NSMutableArray<UIImage *> *images = [NSMutableArray arrayWithCapacity:imagesCount];
+  NSString *mode = [UIColor isNightMode] ? @"dark" : @"light";
+  for (NSUInteger i = 1; i <= imagesCount; i += 1) {
+    NSString *imageName = [NSString stringWithFormat:@"%@_%@_%@", name, mode, @(i).stringValue];
+    [images addObject:static_cast<UIImage *_Nonnull>([UIImage imageNamed:imageName])];
+  }
+  return [images copy];
+}
+}  // namespace
+
+@interface MWMMapViewControlsManager ()
+
+@property(nonatomic) MWMTrafficButtonViewController *trafficButton;
+
+@end
+
+@interface MWMTrafficButtonViewController () <MWMMapOverlayManagerObserver, ThemeListener>
+
+@property(nonatomic) NSLayoutConstraint *topOffset;
+@property(nonatomic) NSLayoutConstraint *leftOffset;
+@property(nonatomic) CGRect availableArea;
+
+@end
+
+@implementation MWMTrafficButtonViewController
+
++ (MWMTrafficButtonViewController *)controller {
+  return [MWMMapViewControlsManager manager].trafficButton;
+}
+
+- (instancetype)init {
+  self = [super init];
+  if (self) {
+    MapViewController *ovc = [MapViewController sharedController];
+    [ovc addChildViewController:self];
+    [ovc.controlsView addSubview:self.view];
+    [self configLayout];
+    [self applyTheme];
+    [StyleManager.shared addListener:self];
+    [MWMMapOverlayManager addObserver:self];
+  }
+  return self;
+}
+
+- (void)dealloc {
+  [StyleManager.shared removeListener:self];
+}
+
+- (void)viewWillDisappear:(BOOL)animated {
+  [super viewWillDisappear:animated];
+  [Toast hideAll];
+}
+
+- (void)configLayout {
+  UIView *sv = self.view;
+  UIView *ov = sv.superview;
+
+  self.topOffset = [sv.topAnchor constraintEqualToAnchor:ov.topAnchor constant:kTopOffset];
+  self.topOffset.active = YES;
+  self.leftOffset = [sv.leadingAnchor constraintEqualToAnchor:ov.leadingAnchor constant:kViewControlsOffsetToBounds];
+  self.leftOffset.active = YES;
+}
+
+- (void)setHidden:(BOOL)hidden {
+  _hidden = hidden;
+  [self refreshLayout];
+}
+
+- (void)refreshLayout {
+  dispatch_async(dispatch_get_main_queue(), ^{
+    auto const availableArea = self.availableArea;
+    auto const fitInAvailableArea = CGRectGetMaxY(self.view.frame) < CGRectGetMaxY(availableArea) + kTopOffset;
+    auto const shouldHide = self.hidden || !fitInAvailableArea;
+    auto const leftOffset = shouldHide ? -self.view.width : availableArea.origin.x + kViewControlsOffsetToBounds;
+    self.topOffset.constant = availableArea.origin.y + kTopOffset;
+    self.leftOffset.constant = leftOffset;
+    self.view.alpha = shouldHide ? 0 : 1;
+  });
+}
+
+- (void)handleTrafficState:(MWMMapOverlayTrafficState)state {
+  MWMButton *btn = (MWMButton *)self.view;
+  UIImageView *iv = btn.imageView;
+  switch (state) {
+    case MWMMapOverlayTrafficStateDisabled:
+      CHECK(false, ("Incorrect traffic manager state."));
+      break;
+    case MWMMapOverlayTrafficStateEnabled:
+      btn.imageName = @"btn_traffic_on";
+      break;
+    case MWMMapOverlayTrafficStateWaitingData:
+      iv.animationImages = imagesWithName(@"btn_traffic_update");
+      iv.animationDuration = 0.8;
+      [iv startAnimating];
+      break;
+    case MWMMapOverlayTrafficStateOutdated:
+      btn.imageName = @"btn_traffic_outdated";
+      break;
+    case MWMMapOverlayTrafficStateNoData:
+      btn.imageName = @"btn_traffic_on";
+      [Toast showWithText:L(@"traffic_data_unavailable")];
+      break;
+    case MWMMapOverlayTrafficStateNetworkError:
+      [MWMMapOverlayManager setTrafficEnabled:NO];
+      [[MWMAlertViewController activeAlertController] presentNoConnectionAlert];
+      break;
+    case MWMMapOverlayTrafficStateExpiredData:
+      btn.imageName = @"btn_traffic_outdated";
+      [Toast showWithText:L(@"traffic_update_maps_text")];
+      break;
+    case MWMMapOverlayTrafficStateExpiredApp:
+      btn.imageName = @"btn_traffic_outdated";
+      [Toast showWithText:L(@"traffic_update_app_message")];
+      break;
+  }
+}
+
+- (void)handleIsolinesState:(MWMMapOverlayIsolinesState)state {
+  switch (state) {
+    case MWMMapOverlayIsolinesStateDisabled:
+      break;
+    case MWMMapOverlayIsolinesStateEnabled:
+      if (![MWMMapOverlayManager isolinesVisible])
+        [Toast showWithText:L(@"isolines_toast_zooms_1_10")];
+      break;
+    case MWMMapOverlayIsolinesStateExpiredData:
+      [MWMAlertViewController.activeAlertController presentInfoAlert:L(@"isolines_activation_error_dialog")];
+      [MWMMapOverlayManager setIsoLinesEnabled:NO];
+      break;
+    case MWMMapOverlayIsolinesStateNoData:
+      [MWMAlertViewController.activeAlertController presentInfoAlert:L(@"isolines_location_error_dialog")];
+      [MWMMapOverlayManager setIsoLinesEnabled:NO];
+      break;
+  }
+}
+
+- (void)applyTheme {
+  MWMButton *btn = static_cast<MWMButton *>(self.view);
+  UIImageView *iv = btn.imageView;
+
+  // Traffic state machine: https://confluence.mail.ru/pages/viewpage.action?pageId=103680959
+  [iv stopAnimating];
+  if ([MWMMapOverlayManager trafficEnabled]) {
+    [self handleTrafficState:[MWMMapOverlayManager trafficState]];
+  } else if ([MWMMapOverlayManager transitEnabled]) {
+    btn.imageName = @"btn_subway_on";
+    if ([MWMMapOverlayManager transitState] == MWMMapOverlayTransitStateNoData)
+      [Toast showWithText:L(@"subway_data_unavailable")];
+  } else if ([MWMMapOverlayManager isoLinesEnabled]) {
+    btn.imageName = @"btn_isoMap_on";
+    [self handleIsolinesState:[MWMMapOverlayManager isolinesState]];
+  } else if ([MWMMapOverlayManager outdoorEnabled]) {
+    btn.imageName = @"btn_isoMap_on";
+  } else {
+    btn.imageName = @"btn_layers";
+  }
+}
+
+- (IBAction)buttonTouchUpInside {
+  BOOL needsToDisableMapLayer =
+  [MWMMapOverlayManager trafficEnabled] ||
+  [MWMMapOverlayManager transitEnabled] ||
+  [MWMMapOverlayManager isoLinesEnabled] ||
+  [MWMMapOverlayManager outdoorEnabled];
+
+  if (needsToDisableMapLayer) {
+    [MWMMapOverlayManager setTrafficEnabled:NO];
+    [MWMMapOverlayManager setTransitEnabled:NO];
+    [MWMMapOverlayManager setIsoLinesEnabled:NO];
+    [MWMMapOverlayManager setOutdoorEnabled:NO];
+  } else {
+    MWMMapViewControlsManager.manager.menuState = MWMBottomMenuStateLayers;
+  }
+}
+
++ (void)updateAvailableArea:(CGRect)frame {
+  auto controller = [self controller];
+  if (CGRectEqualToRect(controller.availableArea, frame))
+    return;
+  controller.availableArea = frame;
+  [controller refreshLayout];
+}
+
+#pragma mark - MWMMapOverlayManagerObserver
+
+- (void)onTrafficStateUpdated {
+  [self applyTheme];
+}
+- (void)onTransitStateUpdated {
+  [self applyTheme];
+}
+- (void)onIsoLinesStateUpdated {
+  [self applyTheme];
+}
+- (void)onOutdoorStateUpdated {
+  [self applyTheme];
+}
+
+@end

iphone/Maps/Classes/CustomViews/MapViewControls/TrafficButton/MWMTrafficButtonViewController.xib

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+<?xml version="1.0" encoding="UTF-8"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="13771" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES">
+    <device id="retina4_7" orientation="portrait">
+        <adaptation id="fullscreen"/>
+    </device>
+    <dependencies>
+        <deployment identifier="iOS"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13772"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <objects>
+        <placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner" customClass="MWMTrafficButtonViewController">
+            <connections>
+                <outlet property="view" destination="WVx-0E-RoH" id="0Ev-19-Sxq"/>
+            </connections>
+        </placeholder>
+        <placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
+        <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="WVx-0E-RoH" customClass="MWMButton" propertyAccessControl="all">
+            <rect key="frame" x="0.0" y="0.0" width="56" height="56"/>
+            <accessibility key="accessibilityConfiguration" identifier="layers_button"/>
+            <constraints>
+                <constraint firstAttribute="height" constant="56" id="24f-V4-Vuf"/>
+                <constraint firstAttribute="width" constant="56" id="hko-xz-hRz"/>
+            </constraints>
+            <viewLayoutGuide key="safeArea" id="iUc-A7-STp"/>
+            <state key="normal" image="btn_traffic_on_light"/>
+            <connections>
+                <action selector="buttonTouchUpInside" destination="-1" eventType="touchUpInside" id="fKZ-g8-4ML"/>
+            </connections>
+            <point key="canvasLocation" x="0.0" y="0.0"/>
+        </button>
+    </objects>
+    <resources>
+        <image name="btn_traffic_on_light" width="56" height="56"/>
+    </resources>
+</document>