// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/ui/toolbar/primary_toolbar_view.h"
#import "base/check.h"
#import "base/ios/ios_util.h"
#import "ios/chrome/browser/shared/public/features/features.h"
#import "ios/chrome/browser/shared/ui/util/dynamic_type_util.h"
#import "ios/chrome/browser/shared/ui/util/uikit_ui_util.h"
#import "ios/chrome/browser/ui/content_suggestions/content_suggestions_collection_utils.h"
#import "ios/chrome/browser/ui/omnibox/omnibox_ui_features.h"
#import "ios/chrome/browser/ui/toolbar/buttons/toolbar_button.h"
#import "ios/chrome/browser/ui/toolbar/buttons/toolbar_button_factory.h"
#import "ios/chrome/browser/ui/toolbar/buttons/toolbar_configuration.h"
#import "ios/chrome/browser/ui/toolbar/buttons/toolbar_tab_grid_button.h"
#import "ios/chrome/browser/ui/toolbar/public/toolbar_constants.h"
#import "ios/chrome/browser/ui/toolbar/public/toolbar_utils.h"
#import "ios/chrome/browser/ui/toolbar/tab_groups/ui/tab_group_indicator_view.h"
#import "ios/chrome/browser/ui/toolbar/toolbar_progress_bar.h"
#import "ios/chrome/common/ui/colors/semantic_color_names.h"
#import "ios/chrome/common/ui/util/constraints_ui_util.h"
#import "ui/gfx/ios/uikit_util.h"
@interface PrimaryToolbarView ()
// Factory used to create the buttons.
@property(nonatomic, strong) ToolbarButtonFactory* buttonFactory;
// ContentView of the vibrancy effect if there is one, self otherwise.
@property(nonatomic, strong) UIView* contentView;
// StackView containing the leading buttons (relative to the location bar). It
// should only contain ToolbarButtons. Redefined as readwrite.
@property(nonatomic, strong, readwrite) UIStackView* leadingStackView;
// Buttons from the leading stack view.
@property(nonatomic, strong) NSArray<ToolbarButton*>* leadingStackViewButtons;
// StackView containing the trailing buttons (relative to the location bar). It
// should only contain ToolbarButtons. Redefined as readwrite.
@property(nonatomic, strong, readwrite) UIStackView* trailingStackView;
// Buttons from the trailing stack view.
@property(nonatomic, strong) NSArray<ToolbarButton*>* trailingStackViewButtons;
// Progress bar displayed below the toolbar, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarProgressBar* progressBar;
// Separator below the toolbar, redefined as readwrite.
@property(nonatomic, strong, readwrite) UIView* separator;
#pragma mark** Buttons in the leading stack view. **
// Button to navigate back, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* backButton;
// Button to navigate forward, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* forwardButton;
// Button to display the TabGrid, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarTabGridButton* tabGridButton;
// Button to stop the loading of the page, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* stopButton;
// Button to reload the page, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* reloadButton;
#pragma mark** Buttons in the trailing stack view. **
// Button to display the share menu, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* shareButton;
// Button to display the tools menu, redefined as readwrite.
@property(nonatomic, strong, readwrite) ToolbarButton* toolsMenuButton;
// Button to cancel the edit of the location bar, redefined as readwrite.
@property(nonatomic, strong, readwrite) UIButton* cancelButton;
#pragma mark** Location bar. **
// Location bar containing the omnibox.
@property(nonatomic, strong) UIView* locationBarView;
// Container for the location bar, redefined as readwrite.
@property(nonatomic, strong, readwrite) UIView* locationBarContainer;
// The height of the container for the location bar, redefined as readwrite.
@property(nonatomic, strong, readwrite)
NSLayoutConstraint* locationBarContainerHeight;
// Button taking the full size of the toolbar. Expands the toolbar when tapped.
// Redefined as readwrite.
@property(nonatomic, strong, readwrite) UIButton* collapsedToolbarButton;
// Constraints for the location bar, redefined as readwrite.
@property(nonatomic, strong, readwrite)
NSMutableArray<NSLayoutConstraint*>* expandedConstraints;
@property(nonatomic, strong, readwrite)
NSMutableArray<NSLayoutConstraint*>* contractedConstraints;
@property(nonatomic, strong, readwrite)
NSMutableArray<NSLayoutConstraint*>* contractedNoMarginConstraints;
@end
@implementation PrimaryToolbarView
@synthesize fakeOmniboxTarget = _fakeOmniboxTarget;
@synthesize locationBarBottomConstraint = _locationBarBottomConstraint;
@synthesize locationBarContainerHeight = _locationBarContainerHeight;
@synthesize buttonFactory = _buttonFactory;
@synthesize allButtons = _allButtons;
@synthesize progressBar = _progressBar;
@synthesize leadingStackView = _leadingStackView;
@synthesize leadingStackViewButtons = _leadingStackViewButtons;
@synthesize backButton = _backButton;
@synthesize forwardButton = _forwardButton;
@synthesize tabGridButton = _tabGridButton;
@synthesize stopButton = _stopButton;
@synthesize reloadButton = _reloadButton;
@synthesize locationBarContainer = _locationBarContainer;
@synthesize trailingStackView = _trailingStackView;
@synthesize trailingStackViewButtons = _trailingStackViewButtons;
@synthesize shareButton = _shareButton;
@synthesize toolsMenuButton = _toolsMenuButton;
@synthesize cancelButton = _cancelButton;
@synthesize collapsedToolbarButton = _collapsedToolbarButton;
@synthesize expandedConstraints = _expandedConstraints;
@synthesize contractedConstraints = _contractedConstraints;
@synthesize contractedNoMarginConstraints = _contractedNoMarginConstraints;
@synthesize contentView = _contentView;
#pragma mark - Public
- (instancetype)initWithButtonFactory:(ToolbarButtonFactory*)factory {
self = [super initWithFrame:CGRectZero];
if (self) {
_buttonFactory = factory;
}
return self;
}
- (void)setUp {
if (self.subviews.count > 0) {
// Setup the view only once.
return;
}
DCHECK(self.buttonFactory);
self.translatesAutoresizingMaskIntoConstraints = NO;
[self setUpToolbarBackground];
[self setUpLeadingStackView];
[self setUpTrailingStackView];
[self setUpCancelButton];
[self setUpLocationBar];
[self setUpProgressBar];
[self setUpCollapsedToolbarButton];
[self setUpSeparator];
[self setUpConstraints];
}
- (void)setHidden:(BOOL)hidden {
[super setHidden:hidden];
}
- (void)addFakeOmniboxTarget {
self.fakeOmniboxTarget = [[UIView alloc] init];
self.fakeOmniboxTarget.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:self.fakeOmniboxTarget];
AddSameConstraints(self.locationBarContainer, self.fakeOmniboxTarget);
}
- (void)removeFakeOmniboxTarget {
[self.fakeOmniboxTarget removeFromSuperview];
self.fakeOmniboxTarget = nil;
}
#pragma mark - Properties
- (void)setMatchNTPHeight:(BOOL)matchNTPHeight {
if (_matchNTPHeight == matchNTPHeight) {
return;
}
_matchNTPHeight = matchNTPHeight;
[self invalidateIntrinsicContentSize];
[self.superview setNeedsLayout];
[self.superview layoutIfNeeded];
}
// Sets tabgroupIndicatorView.
- (void)setTabGroupIndicatorView:(TabGroupIndicatorView*)view {
CHECK(IsTabGroupIndicatorEnabled());
_tabGroupIndicatorView = view;
_tabGroupIndicatorView.hidden = YES;
// TODO(crbug.com/361499394): Implement this.
[self addSubview:_tabGroupIndicatorView];
}
#pragma mark - UIView
- (CGSize)intrinsicContentSize {
CGFloat height = self.matchNTPHeight
? content_suggestions::FakeToolbarHeight()
: ToolbarExpandedHeight(
self.traitCollection.preferredContentSizeCategory);
return CGSizeMake(UIViewNoIntrinsicMetric, height);
}
#pragma mark - Setup
// Sets up the toolbar background.
- (void)setUpToolbarBackground {
self.backgroundColor =
self.buttonFactory.toolbarConfiguration.backgroundColor;
self.contentView = self;
}
// Sets the cancel button to stop editing the location bar.
- (void)setUpCancelButton {
self.cancelButton = [self.buttonFactory cancelButton];
self.cancelButton.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:self.cancelButton];
}
// Sets the location bar container and its view if present.
- (void)setUpLocationBar {
self.locationBarContainer = [[UIView alloc] init];
self.locationBarContainer.backgroundColor =
[self.buttonFactory.toolbarConfiguration
locationBarBackgroundColorWithVisibility:1];
[self.locationBarContainer
setContentHuggingPriority:UILayoutPriorityDefaultLow
forAxis:UILayoutConstraintAxisHorizontal];
self.locationBarContainer.translatesAutoresizingMaskIntoConstraints = NO;
// The location bar shouldn't have vibrancy.
[self addSubview:self.locationBarContainer];
}
// Sets the leading stack view.
- (void)setUpLeadingStackView {
self.backButton = [self.buttonFactory backButton];
self.forwardButton = [self.buttonFactory forwardButton];
self.stopButton = [self.buttonFactory stopButton];
self.stopButton.hiddenInCurrentState = YES;
self.reloadButton = [self.buttonFactory reloadButton];
self.leadingStackViewButtons = @[
self.backButton, self.forwardButton, self.stopButton, self.reloadButton
];
self.leadingStackView = [[UIStackView alloc]
initWithArrangedSubviews:self.leadingStackViewButtons];
self.leadingStackView.translatesAutoresizingMaskIntoConstraints = NO;
self.leadingStackView.spacing = kAdaptiveToolbarStackViewSpacing;
[self.leadingStackView
setContentHuggingPriority:UILayoutPriorityDefaultHigh
forAxis:UILayoutConstraintAxisHorizontal];
[self.contentView addSubview:self.leadingStackView];
}
// Sets the trailing stack view.
- (void)setUpTrailingStackView {
self.shareButton = [self.buttonFactory shareButton];
self.tabGridButton = [self.buttonFactory tabGridButton];
self.toolsMenuButton = [self.buttonFactory toolsMenuButton];
self.trailingStackViewButtons =
@[ self.shareButton, self.tabGridButton, self.toolsMenuButton ];
self.trailingStackView = [[UIStackView alloc]
initWithArrangedSubviews:self.trailingStackViewButtons];
self.trailingStackView.translatesAutoresizingMaskIntoConstraints = NO;
self.trailingStackView.spacing = kAdaptiveToolbarStackViewSpacing;
[self.trailingStackView
setContentHuggingPriority:UILayoutPriorityDefaultHigh
forAxis:UILayoutConstraintAxisHorizontal];
[self.contentView addSubview:self.trailingStackView];
}
// Sets the progress bar up.
- (void)setUpProgressBar {
self.progressBar = [[ToolbarProgressBar alloc] init];
self.progressBar.translatesAutoresizingMaskIntoConstraints = NO;
self.progressBar.hidden = YES;
[self addSubview:self.progressBar];
}
// Sets the collapsedToolbarButton up.
- (void)setUpCollapsedToolbarButton {
self.collapsedToolbarButton = [[UIButton alloc] init];
self.collapsedToolbarButton.translatesAutoresizingMaskIntoConstraints = NO;
self.collapsedToolbarButton.hidden = YES;
[self addSubview:self.collapsedToolbarButton];
}
// Sets the separator up.
- (void)setUpSeparator {
self.separator = [[UIView alloc] init];
self.separator.backgroundColor = [UIColor colorNamed:kToolbarShadowColor];
self.separator.translatesAutoresizingMaskIntoConstraints = NO;
[self addSubview:self.separator];
}
// Sets the constraints up.
- (void)setUpConstraints {
id<LayoutGuideProvider> safeArea = self.safeAreaLayoutGuide;
self.expandedConstraints = [NSMutableArray array];
self.contractedConstraints = [NSMutableArray array];
self.contractedNoMarginConstraints = [NSMutableArray array];
// Separator constraints.
[NSLayoutConstraint activateConstraints:@[
[self.separator.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
[self.separator.trailingAnchor constraintEqualToAnchor:self.trailingAnchor],
[self.separator.topAnchor constraintEqualToAnchor:self.bottomAnchor],
[self.separator.heightAnchor
constraintEqualToConstant:ui::AlignValueToUpperPixel(
kToolbarSeparatorHeight)],
]];
// Leading StackView constraints.
[NSLayoutConstraint activateConstraints:@[
[self.leadingStackView.leadingAnchor
constraintEqualToAnchor:safeArea.leadingAnchor
constant:kAdaptiveToolbarMargin],
[self.leadingStackView.centerYAnchor
constraintEqualToAnchor:self.locationBarContainer.centerYAnchor],
[self.leadingStackView.heightAnchor
constraintEqualToConstant:kAdaptiveToolbarButtonHeight],
]];
// LocationBar constraints. The constant value is set by the VC.
self.locationBarContainerHeight =
[self.locationBarContainer.heightAnchor constraintEqualToConstant:0];
self.locationBarBottomConstraint = [self.locationBarContainer.bottomAnchor
constraintEqualToAnchor:self.bottomAnchor];
[NSLayoutConstraint activateConstraints:@[
self.locationBarBottomConstraint,
self.locationBarContainerHeight,
]];
[self.contractedConstraints addObjectsFromArray:@[
[self.locationBarContainer.trailingAnchor
constraintEqualToAnchor:self.trailingStackView.leadingAnchor
constant:-kContractedLocationBarHorizontalMargin],
[self.locationBarContainer.leadingAnchor
constraintEqualToAnchor:self.leadingStackView.trailingAnchor
constant:kContractedLocationBarHorizontalMargin],
]];
// Constraints for contractedNoMarginConstraints.
[self.contractedNoMarginConstraints addObjectsFromArray:@[
[self.locationBarContainer.leadingAnchor
constraintEqualToAnchor:safeArea.leadingAnchor
constant:kExpandedLocationBarHorizontalMargin],
[self.locationBarContainer.trailingAnchor
constraintEqualToAnchor:safeArea.trailingAnchor
constant:-kExpandedLocationBarHorizontalMargin]
]];
[self.expandedConstraints addObjectsFromArray:@[
[self.locationBarContainer.trailingAnchor
constraintEqualToAnchor:self.cancelButton.leadingAnchor],
[self.locationBarContainer.leadingAnchor
constraintEqualToAnchor:safeArea.leadingAnchor
constant:kExpandedLocationBarHorizontalMargin]
]];
// Trailing StackView constraints.
[NSLayoutConstraint activateConstraints:@[
[self.trailingStackView.trailingAnchor
constraintEqualToAnchor:safeArea.trailingAnchor
constant:-kAdaptiveToolbarMargin],
[self.trailingStackView.centerYAnchor
constraintEqualToAnchor:self.locationBarContainer.centerYAnchor],
[self.trailingStackView.heightAnchor
constraintEqualToConstant:kAdaptiveToolbarButtonHeight],
]];
// locationBarView constraints, if present.
if (self.locationBarView) {
AddSameConstraints(self.locationBarView, self.locationBarContainer);
}
// Cancel button constraints.
[NSLayoutConstraint activateConstraints:@[
[self.cancelButton.topAnchor
constraintEqualToAnchor:self.trailingStackView.topAnchor],
[self.cancelButton.bottomAnchor
constraintEqualToAnchor:self.trailingStackView.bottomAnchor],
]];
NSLayoutConstraint* visibleCancel = [self.cancelButton.trailingAnchor
constraintEqualToAnchor:safeArea.trailingAnchor
constant:-kExpandedLocationBarHorizontalMargin];
NSLayoutConstraint* hiddenCancel = [self.cancelButton.leadingAnchor
constraintEqualToAnchor:self.trailingAnchor];
[self.expandedConstraints addObject:visibleCancel];
[self.contractedConstraints addObject:hiddenCancel];
[self.contractedNoMarginConstraints addObject:hiddenCancel];
// ProgressBar constraints.
[NSLayoutConstraint activateConstraints:@[
[self.progressBar.leadingAnchor constraintEqualToAnchor:self.leadingAnchor],
[self.progressBar.trailingAnchor
constraintEqualToAnchor:self.trailingAnchor],
[self.progressBar.bottomAnchor constraintEqualToAnchor:self.bottomAnchor],
[self.progressBar.heightAnchor
constraintEqualToConstant:kProgressBarHeight],
]];
// CollapsedToolbarButton constraints.
AddSameConstraints(self, self.collapsedToolbarButton);
}
#pragma mark - AdaptiveToolbarView
- (void)setLocationBarView:(UIView*)locationBarView {
if (_locationBarView == locationBarView) {
return;
}
if ([_locationBarView superview] == self.locationBarContainer) {
[_locationBarView removeFromSuperview];
}
_locationBarView = locationBarView;
locationBarView.translatesAutoresizingMaskIntoConstraints = NO;
[locationBarView setContentHuggingPriority:UILayoutPriorityDefaultLow
forAxis:UILayoutConstraintAxisHorizontal];
if (!self.locationBarContainer || !locationBarView)
return;
[self.locationBarContainer addSubview:locationBarView];
AddSameConstraints(self.locationBarView, self.locationBarContainer);
[self.locationBarContainer.trailingAnchor
constraintGreaterThanOrEqualToAnchor:self.locationBarView.trailingAnchor]
.active = YES;
}
- (NSArray<ToolbarButton*>*)allButtons {
if (!_allButtons) {
_allButtons = [self.leadingStackViewButtons
arrayByAddingObjectsFromArray:self.trailingStackViewButtons];
}
return _allButtons;
}
- (ToolbarButton*)openNewTabButton {
return nil;
}
@end
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