Index: ios/chrome/browser/ui/authentication/signin_promo_view.mm |
diff --git a/ios/chrome/browser/ui/authentication/signin_promo_view.mm b/ios/chrome/browser/ui/authentication/signin_promo_view.mm |
new file mode 100644 |
index 0000000000000000000000000000000000000000..350c449b98df30a9ed0d2c38e872a9614e75a8b1 |
--- /dev/null |
+++ b/ios/chrome/browser/ui/authentication/signin_promo_view.mm |
@@ -0,0 +1,239 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// 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/authentication/signin_promo_view.h" |
+ |
+#include "base/logging.h" |
+#import "ios/chrome/browser/ui/colors/MDCPalette+CrAdditions.h" |
+#import "ios/chrome/browser/ui/uikit_ui_util.h" |
+#include "ios/chrome/grit/ios_strings.h" |
+#import "ios/third_party/material_components_ios/src/components/Buttons/src/MaterialButtons.h" |
+#import "ios/third_party/material_components_ios/src/components/Typography/src/MaterialTypography.h" |
+ |
+namespace { |
+// Horizontal padding for label and buttons. |
+const CGFloat kHorizontalPadding = 40; |
+// Vertical padding for the image and the label. |
+const CGFloat kVerticalPadding = 12; |
+// Vertical padding for buttons. |
+const CGFloat kButtonVerticalPadding = 6; |
+// Image size for warm start. |
+const CGFloat kProfileImageFixedSize = 48; |
+// Image size for cold start. |
+const CGFloat kChromeImageFixedSize = 24; |
+// Button height. |
+const CGFloat kButtonHeight = 36; |
+} |
+ |
+@implementation SigninPromoView { |
msarda
2017/03/16 22:15:31
Louis: May I ask you to do an in-depth review of t
|
+ SigninPromoViewMode _mode; |
+ UIImageView* _imageView; |
+ UILabel* _textLabel; |
+ MDCFlatButton* _primaryButton; |
+ MDCFlatButton* _secondaryButton; |
+ |
+ NSArray<NSLayoutConstraint*>* _coldStartConstraints; |
+ NSArray<NSLayoutConstraint*>* _warmStartConstraints; |
+} |
+ |
+@synthesize mode = _mode; |
+@synthesize imageView = _imageView; |
+@synthesize textLabel = _textLabel; |
+@synthesize primaryButton = _primaryButton; |
+@synthesize secondaryButton = _secondaryButton; |
+ |
+- (instancetype)initWithCoder:(NSCoder*)aDecoder { |
+ NOTREACHED(); |
+ return nil; |
+} |
+ |
+- (instancetype)initWithFrame:(CGRect)frame { |
+ self = [super initWithFrame:frame]; |
+ if (self) { |
+ self.translatesAutoresizingMaskIntoConstraints = NO; |
+ self.isAccessibilityElement = YES; |
+ [self addSubviews]; |
+ [self setDefaultViewStyling]; |
+ [self setViewConstraints]; |
+ _mode = SigninPromoViewColdStartMode; |
+ [self activateColdMode]; |
+ } |
+ return self; |
+} |
+ |
+- (void)addSubviews { |
+ self.clipsToBounds = YES; |
+ |
+ _imageView = [[UIImageView alloc] init]; |
+ _imageView.translatesAutoresizingMaskIntoConstraints = NO; |
+ [self addSubview:_imageView]; |
+ |
+ _textLabel = [[UILabel alloc] init]; |
+ _textLabel.translatesAutoresizingMaskIntoConstraints = NO; |
+ [self addSubview:_textLabel]; |
+ |
+ _primaryButton = [[MDCFlatButton alloc] init]; |
+ _primaryButton.translatesAutoresizingMaskIntoConstraints = NO; |
+ _primaryButton.accessibilityIdentifier = @"signin_promo_primary_button"; |
+ [self addSubview:_primaryButton]; |
+ |
+ _secondaryButton = [[MDCFlatButton alloc] init]; |
+ _secondaryButton.translatesAutoresizingMaskIntoConstraints = NO; |
+ _secondaryButton.accessibilityIdentifier = @"signin_promo_secondary_button"; |
+ [self addSubview:_secondaryButton]; |
+} |
+ |
+- (void)setDefaultViewStyling { |
+ _imageView.contentMode = UIViewContentModeCenter; |
+ _imageView.layer.masksToBounds = YES; |
+ _imageView.contentMode = UIViewContentModeScaleAspectFit; |
+ |
+ _textLabel.font = [MDCTypography buttonFont]; |
+ _textLabel.textColor = [[MDCPalette greyPalette] tint900]; |
+ _textLabel.numberOfLines = 0; |
+ _textLabel.textAlignment = NSTextAlignmentCenter; |
+ |
+ [_primaryButton setBackgroundColor:[[MDCPalette cr_bluePalette] tint500] |
+ forState:UIControlStateNormal]; |
+ _primaryButton.customTitleColor = [UIColor whiteColor]; |
+ _primaryButton.inkColor = [UIColor colorWithWhite:1 alpha:0.2]; |
+ |
+ _secondaryButton.customTitleColor = [[MDCPalette cr_bluePalette] tint500]; |
+ _secondaryButton.uppercaseTitle = NO; |
+} |
+ |
+- (void)setViewConstraints { |
+ [NSLayoutConstraint activateConstraints:@[ |
+ // Set vertical anchors. |
+ [_imageView.topAnchor constraintEqualToAnchor:self.topAnchor |
msarda
2017/03/16 22:15:31
I have to say I find this constraints code very ha
jlebel
2017/03/21 17:22:29
Done.
|
+ constant:kVerticalPadding * 2], |
+ [_textLabel.topAnchor constraintEqualToAnchor:_imageView.bottomAnchor |
+ constant:kVerticalPadding], |
+ [_primaryButton.topAnchor |
+ constraintEqualToAnchor:_textLabel.bottomAnchor |
+ constant:kVerticalPadding + kButtonVerticalPadding], |
+ |
+ // Set horizontal anchors. |
+ [_imageView.centerXAnchor constraintEqualToAnchor:self.centerXAnchor], |
+ [_textLabel.centerXAnchor constraintEqualToAnchor:self.centerXAnchor], |
+ [_primaryButton.centerXAnchor constraintEqualToAnchor:self.centerXAnchor], |
+ [_primaryButton.leadingAnchor constraintEqualToAnchor:self.leadingAnchor |
+ constant:kHorizontalPadding], |
+ [self.trailingAnchor constraintEqualToAnchor:_primaryButton.trailingAnchor |
+ constant:kHorizontalPadding], |
+ |
+ // Fix width and height. |
+ [_primaryButton.heightAnchor constraintEqualToConstant:kButtonHeight], |
+ ]]; |
+ _coldStartConstraints = @[ |
+ // Set vertical anchors. |
+ [self.bottomAnchor |
+ constraintEqualToAnchor:_primaryButton.bottomAnchor |
+ constant:kVerticalPadding + kButtonVerticalPadding], |
+ |
+ // Fix width and height. |
+ [_imageView.widthAnchor constraintEqualToConstant:kChromeImageFixedSize], |
+ [_imageView.heightAnchor constraintEqualToConstant:kChromeImageFixedSize], |
+ ]; |
+ _warmStartConstraints = @[ |
+ // Set vertical anchors. |
+ [_secondaryButton.topAnchor |
+ constraintEqualToAnchor:_primaryButton.bottomAnchor |
+ constant:kButtonVerticalPadding * 2], |
+ [self.bottomAnchor |
+ constraintEqualToAnchor:_secondaryButton.bottomAnchor |
+ constant:kVerticalPadding + kButtonVerticalPadding], |
+ |
+ // Set horizontal anchors. |
+ [self.trailingAnchor constraintEqualToAnchor:_secondaryButton.trailingAnchor |
+ constant:kHorizontalPadding], |
+ [_secondaryButton.centerXAnchor constraintEqualToAnchor:self.centerXAnchor], |
+ [_secondaryButton.leadingAnchor constraintEqualToAnchor:self.leadingAnchor |
+ constant:kHorizontalPadding], |
+ |
+ // Fix width and height. |
+ [_imageView.widthAnchor constraintEqualToConstant:kProfileImageFixedSize], |
+ [_imageView.heightAnchor constraintEqualToConstant:kProfileImageFixedSize], |
+ [_secondaryButton.heightAnchor constraintEqualToConstant:kButtonHeight], |
+ ]; |
+ [NSLayoutConstraint deactivateConstraints:_coldStartConstraints]; |
msarda
2017/03/16 22:15:31
Why is this needed?
jlebel
2017/03/21 17:22:29
Done.
|
+ _mode = SigninPromoViewWarmStartMode; |
+} |
+ |
+- (void)setMode:(SigninPromoViewMode)mode { |
+ if (mode == _mode) { |
+ return; |
+ } |
+ _mode = mode; |
+ switch (_mode) { |
+ case SigninPromoViewColdStartMode: |
+ [self activateColdMode]; |
+ return; |
+ case SigninPromoViewWarmStartMode: |
+ [self activateWarmMode]; |
+ return; |
+ } |
+ NOTREACHED(); |
+} |
+ |
+- (void)activateColdMode { |
+ // TODO(jlebel) Needs to set the chrome/chromium icon in |imageView|. |
+ [NSLayoutConstraint deactivateConstraints:_warmStartConstraints]; |
+ [NSLayoutConstraint activateConstraints:_coldStartConstraints]; |
+ _secondaryButton.hidden = YES; |
+} |
+ |
+- (void)activateWarmMode { |
+ [NSLayoutConstraint deactivateConstraints:_coldStartConstraints]; |
+ [NSLayoutConstraint activateConstraints:_warmStartConstraints]; |
+ _secondaryButton.hidden = NO; |
+} |
+ |
+- (void)setProfileImage:(UIImage*)image { |
+ if (SigninPromoViewColdStartMode == _mode) { |
+ return; |
+ } |
+ _imageView.image = CircularImageFromImage(image, kProfileImageFixedSize); |
+} |
+ |
+- (void)accessibilityPrimaryAction:(id)unused { |
+ [_primaryButton sendActionsForControlEvents:UIControlEventTouchUpInside]; |
+} |
+ |
+- (void)accessibilitySecondaryAction:(id)unused { |
+ [_secondaryButton sendActionsForControlEvents:UIControlEventTouchUpInside]; |
+} |
+ |
+- (CGFloat)horizontalPadding { |
+ return kHorizontalPadding; |
+} |
+ |
+#pragma mark - NSObject(Accessibility) |
+ |
+- (NSArray<UIAccessibilityCustomAction*>*)accessibilityCustomActions { |
+ NSString* primaryActionName = |
+ [_primaryButton titleForState:UIControlStateNormal]; |
+ UIAccessibilityCustomAction* primaryCustomAction = |
+ [[UIAccessibilityCustomAction alloc] |
+ initWithName:primaryActionName |
+ target:self |
+ selector:@selector(accessibilityPrimaryAction:)]; |
+ if (_mode == SigninPromoViewColdStartMode) { |
+ return @[ primaryCustomAction ]; |
+ } |
+ NSString* secondaryActionName = |
+ [_secondaryButton titleForState:UIControlStateNormal]; |
+ UIAccessibilityCustomAction* secondaryCustomAction = |
+ [[UIAccessibilityCustomAction alloc] |
+ initWithName:secondaryActionName |
+ target:self |
+ selector:@selector(accessibilitySecondaryAction:)]; |
+ return @[ primaryCustomAction, secondaryCustomAction ]; |
+} |
+ |
+- (NSString*)accessibilityLabel { |
+ return _textLabel.text; |
+} |
+ |
+@end |