Signal-iOS/Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

1648 lines
62 KiB
Objective-C

//
// Copyright (c) 2020 Open Whisper Systems. All rights reserved.
//
#import "ConversationInputToolbar.h"
#import "ConversationInputTextView.h"
#import "Environment.h"
#import "OWSContactsManager.h"
#import "OWSMath.h"
#import "Signal-Swift.h"
#import "UIFont+OWS.h"
#import "ViewControllerUtils.h"
#import <PromiseKit/AnyPromise.h>
#import <SignalMessaging/OWSFormat.h>
#import <SignalMessaging/SignalMessaging-Swift.h>
#import <SignalMessaging/UIView+OWS.h>
#import <SignalServiceKit/NSTimer+OWS.h>
#import <SignalServiceKit/SignalServiceKit-Swift.h>
#import <SignalServiceKit/TSQuotedMessage.h>
NS_ASSUME_NONNULL_BEGIN
typedef NS_CLOSED_ENUM(NSUInteger, VoiceMemoRecordingState){
VoiceMemoRecordingState_Idle,
VoiceMemoRecordingState_RecordingHeld,
VoiceMemoRecordingState_RecordingLocked
};
typedef NS_CLOSED_ENUM(NSUInteger, KeyboardType) { KeyboardType_System, KeyboardType_Sticker, KeyboardType_Attachment };
static void *kConversationInputTextViewObservingContext = &kConversationInputTextViewObservingContext;
const CGFloat kMinTextViewHeight = 36;
const CGFloat kMinToolbarItemHeight = 44;
const CGFloat kMaxTextViewHeight = 98;
const CGFloat kMaxIPadTextViewHeight = 142;
#pragma mark -
@interface InputLinkPreview : NSObject
@property (nonatomic) NSString *previewUrl;
@property (nonatomic, nullable) OWSLinkPreviewDraft *linkPreviewDraft;
@end
#pragma mark -
@implementation InputLinkPreview
@end
#pragma mark -
@interface ConversationInputToolbar () <ConversationTextViewToolbarDelegate,
QuotedReplyPreviewDelegate,
LinkPreviewViewDraftDelegate,
StickerKeyboardDelegate,
AttachmentKeyboardDelegate>
@property (nonatomic, readonly) ConversationStyle *conversationStyle;
@property (nonatomic, readonly) ConversationInputTextView *inputTextView;
@property (nonatomic, readonly) UIButton *cameraButton;
@property (nonatomic, readonly) UIButton *attachmentButton;
@property (nonatomic, readonly) UIButton *sendButton;
@property (nonatomic, readonly) UIButton *voiceMemoButton;
@property (nonatomic, readonly) UIButton *stickerButton;
@property (nonatomic, readonly) UIView *quotedReplyWrapper;
@property (nonatomic, readonly) UIView *linkPreviewWrapper;
@property (nonatomic, readonly) StickerHorizontalListView *suggestedStickerView;
@property (nonatomic) NSArray<StickerInfo *> *suggestedStickerInfos;
@property (nonatomic, readonly) UIStackView *outerStack;
@property (nonatomic, readonly) UIStackView *mediaAndSendStack;
@property (nonatomic) CGFloat textViewHeight;
@property (nonatomic, readonly) NSLayoutConstraint *textViewHeightConstraint;
#pragma mark - Voice Memo Recording UI
@property (nonatomic, nullable) UIView *voiceMemoUI;
@property (nonatomic, nullable) VoiceMemoLockView *voiceMemoLockView;
@property (nonatomic, nullable) UIView *voiceMemoContentView;
@property (nonatomic) NSDate *voiceMemoStartTime;
@property (nonatomic, nullable) NSTimer *voiceMemoUpdateTimer;
@property (nonatomic) UIGestureRecognizer *voiceMemoGestureRecognizer;
@property (nonatomic, nullable) UILabel *voiceMemoCancelLabel;
@property (nonatomic, nullable) UIView *voiceMemoRedRecordingCircle;
@property (nonatomic, nullable) UILabel *recordingLabel;
@property (nonatomic, readonly) BOOL isRecordingVoiceMemo;
@property (nonatomic) VoiceMemoRecordingState voiceMemoRecordingState;
@property (nonatomic) CGPoint voiceMemoGestureStartLocation;
@property (nonatomic, nullable) NSArray<NSLayoutConstraint *> *layoutContraints;
@property (nonatomic) UIEdgeInsets receivedSafeAreaInsets;
@property (nonatomic, nullable) InputLinkPreview *inputLinkPreview;
@property (nonatomic) BOOL wasLinkPreviewCancelled;
@property (nonatomic, nullable, weak) LinkPreviewView *linkPreviewView;
@property (nonatomic, nullable, weak) UIView *stickerTooltip;
#pragma mark - Keyboards
@property (nonatomic) KeyboardType desiredKeyboardType;
@property (nonatomic, readonly) StickerKeyboard *stickerKeyboard;
@property (nonatomic, readonly) AttachmentKeyboard *attachmentKeyboard;
@property (nonatomic) BOOL isMeasuringKeyboardHeight;
@end
#pragma mark -
@implementation ConversationInputToolbar
- (instancetype)initWithConversationStyle:(ConversationStyle *)conversationStyle
{
self = [super initWithFrame:CGRectZero];
_conversationStyle = conversationStyle;
_receivedSafeAreaInsets = UIEdgeInsetsZero;
if (self) {
[self createContents];
}
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(applicationDidBecomeActive:)
name:OWSApplicationDidBecomeActiveNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(isStickerSendEnabledDidChange:)
name:StickerManager.isStickerSendEnabledDidChange
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(keyboardFrameDidChange:)
name:UIKeyboardDidChangeFrameNotification
object:nil];
return self;
}
#pragma mark - Dependencies
- (OWSLinkPreviewManager *)linkPreviewManager
{
return SSKEnvironment.shared.linkPreviewManager;
}
- (SDSDatabaseStorage *)databaseStorage
{
return SDSDatabaseStorage.shared;
}
#pragma mark -
- (CGSize)intrinsicContentSize
{
// Since we have `self.autoresizingMask = UIViewAutoresizingFlexibleHeight`, we must specify
// an intrinsicContentSize. Specifying CGSize.zero causes the height to be determined by autolayout.
return CGSizeZero;
}
- (void)createContents
{
// The input toolbar should *always* be layed out left-to-right, even when using
// a right-to-left language. The convention for messaging apps is for the send
// button to always be to the right of the input field, even in RTL layouts.
// This means, in most places you'll want to pin deliberately to left/right
// instead of leading/trailing. You'll also want to the semanticContentAttribute
// to ensure horizontal stack views layout left-to-right.
self.layoutMargins = UIEdgeInsetsZero;
// When presenting or dismissing the keyboard, there may be a slight
// gap between the keyboard and the bottom of the input bar during
// the animation. Extend the background below the toolbar's bounds
// by this much to mask that extra space.
CGFloat backgroundExtension = 100;
if (UIAccessibilityIsReduceTransparencyEnabled()) {
self.backgroundColor = Theme.toolbarBackgroundColor;
UIView *extendedBackground = [UIView new];
extendedBackground.backgroundColor = Theme.toolbarBackgroundColor;
[self addSubview:extendedBackground];
[extendedBackground autoPinWidthToSuperview];
[extendedBackground autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:self];
[extendedBackground autoSetDimension:ALDimensionHeight toSize:backgroundExtension];
} else {
CGFloat alpha = OWSNavigationBar.backgroundBlurMutingFactor;
self.backgroundColor = [Theme.toolbarBackgroundColor colorWithAlphaComponent:alpha];
UIVisualEffectView *blurEffectView = [[UIVisualEffectView alloc] initWithEffect:Theme.barBlurEffect];
blurEffectView.layer.zPosition = -1;
[self addSubview:blurEffectView];
[blurEffectView autoPinWidthToSuperview];
[blurEffectView autoPinEdgeToSuperviewEdge:ALEdgeTop];
[blurEffectView autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:-backgroundExtension];
}
self.autoresizingMask = UIViewAutoresizingFlexibleHeight;
_inputTextView = [ConversationInputTextView new];
self.inputTextView.textViewToolbarDelegate = self;
self.inputTextView.font = [UIFont ows_dynamicTypeBodyFont];
self.inputTextView.backgroundColor = Theme.conversationInputBackgroundColor;
[self.inputTextView setContentHuggingLow];
[self.inputTextView setCompressionResistanceLow];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _inputTextView);
_textViewHeightConstraint = [self.inputTextView autoSetDimension:ALDimensionHeight toSize:kMinTextViewHeight];
_cameraButton = [[UIButton alloc] init];
self.cameraButton.accessibilityLabel
= NSLocalizedString(@"CAMERA_BUTTON_LABEL", @"Accessibility label for camera button.");
self.cameraButton.accessibilityHint = NSLocalizedString(
@"CAMERA_BUTTON_HINT", @"Accessibility hint describing what you can do with the camera button");
[self.cameraButton addTarget:self
action:@selector(cameraButtonPressed)
forControlEvents:UIControlEventTouchUpInside];
UIImage *cameraIcon = [Theme iconImage:ThemeIconCameraButton];
[self.cameraButton setTemplateImage:cameraIcon tintColor:Theme.primaryIconColor];
[self.cameraButton autoSetDimensionsToSize:CGSizeMake(40, kMinToolbarItemHeight)];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _cameraButton);
_attachmentButton = [[UIButton alloc] init];
self.attachmentButton.accessibilityLabel
= NSLocalizedString(@"ATTACHMENT_LABEL", @"Accessibility label for attaching photos");
self.attachmentButton.accessibilityHint = NSLocalizedString(
@"ATTACHMENT_HINT", @"Accessibility hint describing what you can do with the attachment button");
[self.attachmentButton addTarget:self
action:@selector(attachmentButtonPressed)
forControlEvents:UIControlEventTouchUpInside];
[self.attachmentButton setTemplateImageName:@"plus-24" tintColor:Theme.primaryIconColor];
NSString *selectedImageName = [Theme iconName:ThemeIconAttachmentButtonSelected];
[self.attachmentButton setImage:[UIImage imageNamed:selectedImageName] forState:UIControlStateSelected];
[self.attachmentButton autoSetDimensionsToSize:CGSizeMake(55, kMinToolbarItemHeight)];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _attachmentButton);
_sendButton = [[UIButton alloc] init];
self.sendButton.accessibilityLabel = MessageStrings.sendButton;
[self.sendButton addTarget:self action:@selector(sendButtonPressed) forControlEvents:UIControlEventTouchUpInside];
[self.sendButton setTemplateImageName:@"send-solid-24" tintColor:UIColor.ows_signalBlueColor];
[self.sendButton autoSetDimensionsToSize:CGSizeMake(50, kMinToolbarItemHeight)];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _sendButton);
_voiceMemoButton = [UIButton buttonWithType:UIButtonTypeCustom];
self.voiceMemoButton.accessibilityLabel = NSLocalizedString(@"INPUT_TOOLBAR_VOICE_MEMO_BUTTON_ACCESSIBILITY_LABEL",
@"accessibility label for the button which records voice memos");
UIImage *micIcon = [Theme iconImage:ThemeIconMicButton];
[self.voiceMemoButton setTemplateImage:micIcon tintColor:Theme.primaryIconColor];
[self.voiceMemoButton autoSetDimensionsToSize:CGSizeMake(40, kMinToolbarItemHeight)];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _voiceMemoButton);
_stickerButton = [UIButton buttonWithType:UIButtonTypeCustom];
self.stickerButton.accessibilityLabel = NSLocalizedString(@"INPUT_TOOLBAR_STICKER_BUTTON_ACCESSIBILITY_LABEL",
@"accessibility label for the button which shows the sticker picker");
UIImage *stickerIcon = [Theme iconImage:ThemeIconStickerButton];
[self.stickerButton setTemplateImage:stickerIcon tintColor:Theme.primaryIconColor];
[self.stickerButton addTarget:self
action:@selector(stickerButtonPressed)
forControlEvents:UIControlEventTouchUpInside];
[self.stickerButton autoSetDimensionsToSize:CGSizeMake(40, kMinToolbarItemHeight)];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _stickerButton);
// We want to be permissive about the voice message gesture, so we hang
// the long press GR on the button's wrapper, not the button itself.
UILongPressGestureRecognizer *longPressGestureRecognizer =
[[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
longPressGestureRecognizer.minimumPressDuration = 0;
self.voiceMemoGestureRecognizer = longPressGestureRecognizer;
[self.voiceMemoButton addGestureRecognizer:longPressGestureRecognizer];
self.userInteractionEnabled = YES;
_quotedReplyWrapper = [UIView containerView];
self.quotedReplyWrapper.hidden = YES;
[self.quotedReplyWrapper setContentHuggingHorizontalLow];
[self.quotedReplyWrapper setCompressionResistanceHorizontalLow];
self.quotedReplyWrapper.backgroundColor = Theme.conversationInputBackgroundColor;
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _quotedReplyWrapper);
_linkPreviewWrapper = [UIView containerView];
self.linkPreviewWrapper.hidden = YES;
[self.linkPreviewWrapper setContentHuggingHorizontalLow];
[self.linkPreviewWrapper setCompressionResistanceHorizontalLow];
self.linkPreviewWrapper.backgroundColor = Theme.conversationInputBackgroundColor;
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _linkPreviewWrapper);
// V Stack
UIStackView *vStack = [[UIStackView alloc]
initWithArrangedSubviews:@[ self.quotedReplyWrapper, self.linkPreviewWrapper, self.inputTextView ]];
vStack.axis = UILayoutConstraintAxisVertical;
vStack.alignment = UIStackViewAlignmentFill;
[vStack setContentHuggingHorizontalLow];
[vStack setCompressionResistanceHorizontalLow];
for (UIView *button in
@[ self.cameraButton, self.attachmentButton, self.stickerButton, self.voiceMemoButton, self.sendButton ]) {
[button setContentHuggingHorizontalHigh];
[button setCompressionResistanceHorizontalHigh];
}
// V Stack Wrapper
const CGFloat vStackRounding = 18.f;
UIView *vStackRoundingView = [UIView containerView];
vStackRoundingView.layer.cornerRadius = vStackRounding;
vStackRoundingView.clipsToBounds = YES;
[vStackRoundingView addSubview:vStack];
[vStack autoPinEdgesToSuperviewEdges];
[vStackRoundingView setContentHuggingHorizontalLow];
[vStackRoundingView setCompressionResistanceHorizontalLow];
UIView *vStackRoundingOffsetView = [UIView containerView];
[vStackRoundingOffsetView addSubview:vStackRoundingView];
CGFloat textViewCenterInset = (kMinToolbarItemHeight - kMinTextViewHeight) / 2;
[vStackRoundingView autoPinEdgeToSuperviewEdge:ALEdgeBottom withInset:textViewCenterInset];
[vStackRoundingView autoPinEdgeToSuperviewEdge:ALEdgeTop];
[vStackRoundingView autoPinEdgeToSuperviewEdge:ALEdgeLeft];
[vStackRoundingView autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:8];
// Media Stack
UIStackView *mediaAndSendStack = [[UIStackView alloc] initWithArrangedSubviews:@[
self.sendButton,
self.cameraButton,
self.voiceMemoButton,
]];
_mediaAndSendStack = mediaAndSendStack;
mediaAndSendStack.axis = UILayoutConstraintAxisHorizontal;
mediaAndSendStack.alignment = UIStackViewAlignmentCenter;
mediaAndSendStack.semanticContentAttribute = UISemanticContentAttributeForceLeftToRight;
[mediaAndSendStack setContentHuggingHorizontalHigh];
[mediaAndSendStack setCompressionResistanceHorizontalHigh];
// H Stack
UIStackView *hStack = [[UIStackView alloc] initWithArrangedSubviews:@[
self.attachmentButton,
vStackRoundingOffsetView,
mediaAndSendStack,
]];
hStack.axis = UILayoutConstraintAxisHorizontal;
hStack.alignment = UIStackViewAlignmentBottom;
hStack.layoutMarginsRelativeArrangement = YES;
hStack.layoutMargins = UIEdgeInsetsMake(6, 6, 6, 6);
hStack.semanticContentAttribute = UISemanticContentAttributeForceLeftToRight;
// Suggested Stickers
const CGFloat suggestedStickerSize = 48;
const CGFloat suggestedStickerSpacing = 12;
_suggestedStickerView = [[StickerHorizontalListView alloc] initWithCellSize:suggestedStickerSize
cellInset:0
spacing:suggestedStickerSpacing];
self.suggestedStickerView.backgroundColor = Theme.conversationButtonBackgroundColor;
const UIEdgeInsets stickerListContentInset
= UIEdgeInsetsMake(suggestedStickerSpacing, 24, suggestedStickerSpacing, 24);
self.suggestedStickerView.contentInset = stickerListContentInset;
self.suggestedStickerView.hidden = YES;
[self.suggestedStickerView
autoSetDimension:ALDimensionHeight
toSize:suggestedStickerSize + stickerListContentInset.bottom + stickerListContentInset.top];
// "Outer" Stack
_outerStack = [[UIStackView alloc] initWithArrangedSubviews:@[ self.suggestedStickerView, hStack ]];
self.outerStack.axis = UILayoutConstraintAxisVertical;
self.outerStack.alignment = UIStackViewAlignmentFill;
[self addSubview:self.outerStack];
[self.outerStack autoPinEdgeToSuperviewEdge:ALEdgeTop];
[self.outerStack autoPinEdgeToSuperviewSafeArea:ALEdgeBottom];
// See comments on updateContentLayout:.
if (@available(iOS 11, *)) {
self.suggestedStickerView.insetsLayoutMarginsFromSafeArea = NO;
vStack.insetsLayoutMarginsFromSafeArea = NO;
vStackRoundingOffsetView.insetsLayoutMarginsFromSafeArea = NO;
hStack.insetsLayoutMarginsFromSafeArea = NO;
self.outerStack.insetsLayoutMarginsFromSafeArea = NO;
self.insetsLayoutMarginsFromSafeArea = NO;
}
self.suggestedStickerView.preservesSuperviewLayoutMargins = NO;
vStack.preservesSuperviewLayoutMargins = NO;
vStackRoundingOffsetView.preservesSuperviewLayoutMargins = NO;
hStack.preservesSuperviewLayoutMargins = NO;
self.outerStack.preservesSuperviewLayoutMargins = NO;
self.preservesSuperviewLayoutMargins = NO;
// Input buttons
[self addSubview:self.stickerButton];
[self.stickerButton autoAlignAxis:ALAxisHorizontal toSameAxisOfView:self.inputTextView];
[self.stickerButton autoPinEdge:ALEdgeTrailing toEdge:ALEdgeTrailing ofView:vStackRoundingView withOffset:-4];
// Sticker Keyboard Responder
StickerKeyboard *stickerKeyboard = [StickerKeyboard new];
_stickerKeyboard = stickerKeyboard;
stickerKeyboard.delegate = self;
[stickerKeyboard registerWithView:self];
AttachmentKeyboard *attachmentKeyboard = [AttachmentKeyboard new];
_attachmentKeyboard = attachmentKeyboard;
attachmentKeyboard.delegate = self;
[attachmentKeyboard registerWithView:self];
[self ensureButtonVisibilityWithIsAnimated:NO doLayout:NO];
}
- (void)updateFontSizes
{
self.inputTextView.font = [UIFont ows_dynamicTypeBodyFont];
}
- (void)setInputTextViewDelegate:(id<ConversationInputTextViewDelegate>)value
{
OWSAssertDebug(self.inputTextView);
OWSAssertDebug(value);
self.inputTextView.inputTextViewDelegate = value;
}
- (NSString *)messageText
{
OWSAssertDebug(self.inputTextView);
return self.inputTextView.trimmedText;
}
- (void)setMessageText:(NSString *_Nullable)value animated:(BOOL)isAnimated
{
OWSAssertDebug(self.inputTextView);
self.inputTextView.text = value;
// It's important that we set the textViewHeight before
// doing any animation in `ensureButtonVisibilityWithIsAnimated`
// Otherwise, the resultant keyboard frame posted in `keyboardWillChangeFrame`
// could reflect the inputTextView height *before* the new text was set.
//
// This bug was surfaced to the user as:
// - have a quoted reply draft in the input toolbar
// - type a multiline message
// - hit send
// - quoted reply preview and message text is cleared
// - input toolbar is shrunk to it's expected empty-text height
// - *but* the conversation's bottom content inset was too large. Specifically, it was
// still sized as if the input textview was multiple lines.
// Presumably this bug only surfaced when an animation coincides with more complicated layout
// changes (in this case while simultaneous with removing quoted reply subviews, hiding the
// wrapper view *and* changing the height of the input textView
[self ensureTextViewHeight];
[self updateInputLinkPreview];
if (value.length > 0) {
[self clearDesiredKeyboard];
}
[self ensureButtonVisibilityWithIsAnimated:isAnimated doLayout:YES];
}
- (void)ensureTextViewHeight
{
[self updateHeightWithTextView:self.inputTextView];
}
- (void)acceptAutocorrectSuggestion
{
[self.inputTextView acceptAutocorrectSuggestion];
}
- (void)clearTextMessageAnimated:(BOOL)isAnimated
{
[self setMessageText:nil animated:isAnimated];
[self.inputTextView.undoManager removeAllActions];
self.wasLinkPreviewCancelled = NO;
}
- (void)toggleDefaultKeyboard
{
// Primary language is nil for the emoji keyboard.
if (!self.inputTextView.textInputMode.primaryLanguage) {
// Stay on emoji keyboard after sending
return;
}
// Otherwise, we want to toggle back to default keyboard if the user had the numeric keyboard present.
// Momentarily switch to a non-default keyboard, else reloadInputViews
// will not affect the displayed keyboard. In practice this isn't perceptable to the user.
// The alternative would be to dismiss-and-pop the keyboard, but that can cause a more pronounced animation.
self.inputTextView.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
[self.inputTextView reloadInputViews];
self.inputTextView.keyboardType = UIKeyboardTypeDefault;
[self.inputTextView reloadInputViews];
}
- (void)setQuotedReply:(nullable OWSQuotedReplyModel *)quotedReply
{
if (quotedReply == _quotedReply) {
return;
}
[self clearQuotedMessagePreview];
_quotedReply = quotedReply;
if (!quotedReply) {
[self ensureButtonVisibilityWithIsAnimated:NO doLayout:YES];
return;
}
QuotedReplyPreview *quotedMessagePreview =
[[QuotedReplyPreview alloc] initWithQuotedReply:quotedReply conversationStyle:self.conversationStyle];
quotedMessagePreview.delegate = self;
[quotedMessagePreview setContentHuggingHorizontalLow];
[quotedMessagePreview setCompressionResistanceHorizontalLow];
self.quotedReplyWrapper.hidden = NO;
self.quotedReplyWrapper.layoutMargins = UIEdgeInsetsZero;
[self.quotedReplyWrapper addSubview:quotedMessagePreview];
[quotedMessagePreview ows_autoPinToSuperviewMargins];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, quotedMessagePreview);
self.linkPreviewView.hasAsymmetricalRounding = !self.quotedReply;
[self clearDesiredKeyboard];
}
- (CGFloat)quotedMessageTopMargin
{
return 5.f;
}
- (void)clearQuotedMessagePreview
{
self.quotedReplyWrapper.hidden = YES;
for (UIView *subview in self.quotedReplyWrapper.subviews) {
[subview removeFromSuperview];
}
}
- (void)beginEditingMessage
{
if (!self.desiredFirstResponder.isFirstResponder) {
[self.desiredFirstResponder becomeFirstResponder];
}
}
- (void)showStickerTooltipIfNecessary
{
if (!StickerManager.shared.shouldShowStickerTooltip) {
return;
}
dispatch_block_t markTooltipAsShown = ^{
[self.databaseStorage asyncWriteWithBlock:^(SDSAnyWriteTransaction *transaction) {
[StickerManager.shared stickerTooltipWasShownWithTransaction:transaction];
}];
};
__block StickerPack *_Nullable stickerPack;
[self.databaseStorage readWithBlock:^(SDSAnyReadTransaction *transaction) {
stickerPack = [StickerManager installedStickerPacksWithTransaction:transaction].firstObject;
}];
if (stickerPack == nil) {
return;
}
if (self.stickerTooltip != nil) {
markTooltipAsShown();
return;
}
if (self.desiredKeyboardType == KeyboardType_Sticker) {
// The intent of this tooltip is to prod users to activate the
// sticker keyboard. If it's already active, we can skip the
// tooltip.
markTooltipAsShown();
return;
}
__weak ConversationInputToolbar *weakSelf = self;
UIView *tooltip = [StickerTooltip presentFromView:self
widthReferenceView:self
tailReferenceView:self.stickerButton
stickerPack:stickerPack
wasTappedBlock:^{
[weakSelf removeStickerTooltip];
[weakSelf toggleKeyboardType:KeyboardType_Sticker];
}];
self.stickerTooltip = tooltip;
const CGFloat tooltipDurationSeconds = 5.f;
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(tooltipDurationSeconds * NSEC_PER_SEC)),
dispatch_get_main_queue(), ^{
[weakSelf removeStickerTooltip];
});
markTooltipAsShown();
}
- (void)removeStickerTooltip
{
[self.stickerTooltip removeFromSuperview];
self.stickerTooltip = nil;
}
- (void)endEditingMessage
{
[self.inputTextView resignFirstResponder];
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-result"
[self.stickerKeyboard resignFirstResponder];
[self.attachmentKeyboard resignFirstResponder];
#pragma clang diagnostic pop
}
- (BOOL)isInputViewFirstResponder
{
return (self.inputTextView.isFirstResponder || self.stickerKeyboard.isFirstResponder
|| self.attachmentKeyboard.isFirstResponder);
}
- (void)ensureButtonVisibilityWithIsAnimated:(BOOL)isAnimated doLayout:(BOOL)doLayout
{
__block BOOL didChangeLayout = NO;
void (^ensureViewHiddenState)(UIView *, BOOL) = ^(UIView *subview, BOOL hidden) {
if (subview.isHidden != hidden) {
subview.hidden = hidden;
didChangeLayout = YES;
}
};
// NOTE: We use untrimmedText, so that the sticker button disappears
// even if the user just enters whitespace.
BOOL hasTextInput = self.inputTextView.untrimmedText.length > 0;
ensureViewHiddenState(self.attachmentButton, NO);
if (hasTextInput) {
ensureViewHiddenState(self.cameraButton, YES);
ensureViewHiddenState(self.voiceMemoButton, YES);
ensureViewHiddenState(self.sendButton, NO);
} else {
ensureViewHiddenState(self.cameraButton, NO);
ensureViewHiddenState(self.voiceMemoButton, NO);
ensureViewHiddenState(self.sendButton, YES);
}
// If the layout has changed, update the layout
// of the "media and send" stack immediately,
// to avoid a janky animation where these buttons
// move around far from their final positions.
if (doLayout && didChangeLayout) {
[self.mediaAndSendStack setNeedsLayout];
[self.mediaAndSendStack layoutIfNeeded];
}
void (^updateBlock)(void) = ^{
BOOL hideStickerButton = hasTextInput || self.quotedReply != nil || !StickerManager.shared.isStickerSendEnabled;
ensureViewHiddenState(self.stickerButton, hideStickerButton);
if (!hideStickerButton) {
self.stickerButton.imageView.tintColor
= (self.desiredKeyboardType == KeyboardType_Sticker ? UIColor.ows_signalBlueColor
: Theme.primaryIconColor);
}
self.attachmentButton.selected = self.desiredKeyboardType == KeyboardType_Attachment;
[self updateSuggestedStickers];
if (self.stickerButton.hidden || self.stickerKeyboard.isFirstResponder) {
[self removeStickerTooltip];
}
if (doLayout) {
[self layoutIfNeeded];
}
};
if (isAnimated) {
[UIView animateWithDuration:0.1 animations:updateBlock];
} else {
updateBlock();
}
[self showStickerTooltipIfNecessary];
}
// iOS doesn't always update the safeAreaInsets correctly & in a timely
// way for the inputAccessoryView after a orientation change. The best
// workaround appears to be to use the safeAreaInsets from
// ConversationViewController's view. ConversationViewController updates
// this input toolbar using updateLayoutWithIsLandscape:.
- (void)updateContentLayout
{
if (self.layoutContraints) {
[NSLayoutConstraint deactivateConstraints:self.layoutContraints];
}
self.layoutContraints = @[
[self.outerStack autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:self.receivedSafeAreaInsets.left],
[self.outerStack autoPinEdgeToSuperviewEdge:ALEdgeRight withInset:self.receivedSafeAreaInsets.right],
];
}
- (void)updateLayoutWithSafeAreaInsets:(UIEdgeInsets)safeAreaInsets
{
BOOL didChange = !UIEdgeInsetsEqualToEdgeInsets(self.receivedSafeAreaInsets, safeAreaInsets);
BOOL hasLayout = self.layoutContraints != nil;
self.receivedSafeAreaInsets = safeAreaInsets;
if (didChange || !hasLayout) {
[self updateContentLayout];
}
}
- (void)handleLongPress:(UIGestureRecognizer *)sender
{
switch (sender.state) {
case UIGestureRecognizerStatePossible:
case UIGestureRecognizerStateCancelled:
case UIGestureRecognizerStateFailed:
if (self.isRecordingVoiceMemo) {
// Cancel voice message if necessary.
self.voiceMemoRecordingState = VoiceMemoRecordingState_Idle;
[self.inputToolbarDelegate voiceMemoGestureDidCancel];
}
break;
case UIGestureRecognizerStateBegan:
switch (self.voiceMemoRecordingState) {
case VoiceMemoRecordingState_Idle:
break;
case VoiceMemoRecordingState_RecordingHeld:
OWSFailDebug(@"while recording held, shouldn't be possible to restart gesture.");
[self.inputToolbarDelegate voiceMemoGestureDidCancel];
break;
case VoiceMemoRecordingState_RecordingLocked:
OWSFailDebug(@"once locked, shouldn't be possible to interact with gesture.");
[self.inputToolbarDelegate voiceMemoGestureDidCancel];
break;
}
// Start voice message.
self.voiceMemoRecordingState = VoiceMemoRecordingState_RecordingHeld;
self.voiceMemoGestureStartLocation = [sender locationInView:self];
[self.inputToolbarDelegate voiceMemoGestureDidStart];
break;
case UIGestureRecognizerStateChanged:
if (self.isRecordingVoiceMemo) {
// Check for "slide to cancel" gesture.
CGPoint location = [sender locationInView:self];
// For LTR/RTL, swiping in either direction will cancel.
// This is okay because there's only space on screen to perform the
// gesture in one direction.
CGFloat xOffset = fabs(self.voiceMemoGestureStartLocation.x - location.x);
CGFloat yOffset = fabs(self.voiceMemoGestureStartLocation.y - location.y);
// require a certain threshold before we consider the user to be
// interacting with the lock ui, otherwise there's perceptible wobble
// of the lock slider even when the user isn't intended to interact with it.
const CGFloat kLockThresholdPoints = 20.f;
const CGFloat kLockOffsetPoints = 80.f;
CGFloat yOffsetBeyondThreshold = MAX(yOffset - kLockThresholdPoints, 0);
CGFloat lockAlpha = yOffsetBeyondThreshold / kLockOffsetPoints;
BOOL isLocked = lockAlpha >= 1.f;
if (isLocked) {
switch (self.voiceMemoRecordingState) {
case VoiceMemoRecordingState_RecordingHeld:
self.voiceMemoRecordingState = VoiceMemoRecordingState_RecordingLocked;
[self.inputToolbarDelegate voiceMemoGestureDidLock];
[self.inputToolbarDelegate voiceMemoGestureDidUpdateCancelWithRatioComplete:0];
break;
case VoiceMemoRecordingState_RecordingLocked:
// already locked
break;
case VoiceMemoRecordingState_Idle:
OWSFailDebug(@"failure: unexpeceted idle state");
[self.inputToolbarDelegate voiceMemoGestureDidCancel];
break;
}
} else {
[self.voiceMemoLockView updateWithRatioComplete:lockAlpha];
// The lower this value, the easier it is to cancel by accident.
// The higher this value, the harder it is to cancel.
const CGFloat kCancelOffsetPoints = 100.f;
CGFloat cancelAlpha = xOffset / kCancelOffsetPoints;
BOOL isCancelled = cancelAlpha >= 1.f;
if (isCancelled) {
self.voiceMemoRecordingState = VoiceMemoRecordingState_Idle;
[self.inputToolbarDelegate voiceMemoGestureDidCancel];
break;
} else {
[self.inputToolbarDelegate voiceMemoGestureDidUpdateCancelWithRatioComplete:cancelAlpha];
}
}
}
break;
case UIGestureRecognizerStateEnded:
switch (self.voiceMemoRecordingState) {
case VoiceMemoRecordingState_Idle:
break;
case VoiceMemoRecordingState_RecordingHeld:
// End voice message.
self.voiceMemoRecordingState = VoiceMemoRecordingState_Idle;
[self.inputToolbarDelegate voiceMemoGestureDidComplete];
break;
case VoiceMemoRecordingState_RecordingLocked:
// Continue recording.
break;
}
break;
}
}
#pragma mark - Voice Memo
- (BOOL)isRecordingVoiceMemo
{
switch (self.voiceMemoRecordingState) {
case VoiceMemoRecordingState_Idle:
return NO;
case VoiceMemoRecordingState_RecordingHeld:
case VoiceMemoRecordingState_RecordingLocked:
return YES;
}
}
- (void)showVoiceMemoUI
{
OWSAssertIsOnMainThread();
self.voiceMemoStartTime = [NSDate date];
[self.voiceMemoUI removeFromSuperview];
[self.voiceMemoLockView removeFromSuperview];
self.voiceMemoUI = [UIView new];
self.voiceMemoUI.backgroundColor = Theme.toolbarBackgroundColor;
[self addSubview:self.voiceMemoUI];
[self.voiceMemoUI autoPinEdgesToSuperviewEdges];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _voiceMemoUI);
self.voiceMemoContentView = [UIView new];
[self.voiceMemoUI addSubview:self.voiceMemoContentView];
[self.voiceMemoContentView autoPinEdgesToSuperviewMargins];
self.recordingLabel = [UILabel new];
self.recordingLabel.textColor = UIColor.ows_accentRedColor;
self.recordingLabel.font = [UIFont ows_semiboldFontWithSize:14.f];
[self.voiceMemoContentView addSubview:self.recordingLabel];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, _recordingLabel);
VoiceMemoLockView *voiceMemoLockView = [VoiceMemoLockView new];
self.voiceMemoLockView = voiceMemoLockView;
[self addSubview:voiceMemoLockView];
[voiceMemoLockView autoPinEdgeToSuperviewMargin:ALEdgeRight];
[voiceMemoLockView autoPinEdge:ALEdgeBottom toEdge:ALEdgeTop ofView:self.voiceMemoContentView];
[voiceMemoLockView setCompressionResistanceHigh];
[self updateVoiceMemo];
UIImage *icon = [UIImage imageNamed:@"mic-outline-24"];
OWSAssertDebug(icon);
UIImageView *imageView =
[[UIImageView alloc] initWithImage:[icon imageWithRenderingMode:UIImageRenderingModeAlwaysTemplate]];
imageView.tintColor = UIColor.ows_accentRedColor;
[imageView setContentHuggingHigh];
[self.voiceMemoContentView addSubview:imageView];
NSMutableAttributedString *cancelString = [NSMutableAttributedString new];
const CGFloat cancelArrowFontSize = ScaleFromIPhone5To7Plus(18.4, 20.f);
const CGFloat cancelFontSize = ScaleFromIPhone5To7Plus(14.f, 16.f);
NSString *arrowHead = @"\uf104";
[cancelString
appendAttributedString:[[NSAttributedString alloc]
initWithString:arrowHead
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:cancelArrowFontSize],
NSForegroundColorAttributeName : UIColor.ows_accentRedColor,
NSBaselineOffsetAttributeName : @(-1.f),
}]];
[cancelString
appendAttributedString:[[NSAttributedString alloc]
initWithString:@" "
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:cancelArrowFontSize],
NSForegroundColorAttributeName : UIColor.ows_accentRedColor,
NSBaselineOffsetAttributeName : @(-1.f),
}]];
[cancelString
appendAttributedString:[[NSAttributedString alloc]
initWithString:NSLocalizedString(@"VOICE_MESSAGE_CANCEL_INSTRUCTIONS",
@"Indicates how to cancel a voice message.")
attributes:@{
NSFontAttributeName : [UIFont ows_semiboldFontWithSize:cancelFontSize],
NSForegroundColorAttributeName : UIColor.ows_accentRedColor,
}]];
[cancelString
appendAttributedString:[[NSAttributedString alloc]
initWithString:@" "
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:cancelArrowFontSize],
NSForegroundColorAttributeName : UIColor.ows_accentRedColor,
NSBaselineOffsetAttributeName : @(-1.f),
}]];
[cancelString
appendAttributedString:[[NSAttributedString alloc]
initWithString:arrowHead
attributes:@{
NSFontAttributeName : [UIFont ows_fontAwesomeFont:cancelArrowFontSize],
NSForegroundColorAttributeName : UIColor.ows_accentRedColor,
NSBaselineOffsetAttributeName : @(-1.f),
}]];
UILabel *cancelLabel = [UILabel new];
self.voiceMemoCancelLabel = cancelLabel;
cancelLabel.attributedText = cancelString;
[self.voiceMemoContentView addSubview:cancelLabel];
const CGFloat kRedCircleSize = 100.f;
UIView *redCircleView = [[OWSCircleView alloc] initWithDiameter:kRedCircleSize];
self.voiceMemoRedRecordingCircle = redCircleView;
redCircleView.backgroundColor = UIColor.ows_accentRedColor;
[self.voiceMemoContentView addSubview:redCircleView];
[redCircleView autoAlignAxis:ALAxisHorizontal toSameAxisOfView:self.voiceMemoButton];
[redCircleView autoAlignAxis:ALAxisVertical toSameAxisOfView:self.voiceMemoButton];
UIImage *whiteIcon = [UIImage imageNamed:@"mic-outline-64"];
OWSAssertDebug(whiteIcon);
UIImageView *whiteIconView = [[UIImageView alloc] initWithImage:whiteIcon];
[redCircleView addSubview:whiteIconView];
[whiteIconView autoCenterInSuperview];
[imageView autoVCenterInSuperview];
[imageView autoPinEdgeToSuperviewEdge:ALEdgeLeft withInset:10.f];
[self.recordingLabel autoVCenterInSuperview];
[self.recordingLabel autoPinEdge:ALEdgeLeft toEdge:ALEdgeRight ofView:imageView withOffset:5.f];
[cancelLabel autoVCenterInSuperview];
[cancelLabel autoHCenterInSuperview];
[self.voiceMemoUI layoutIfNeeded];
// Slide in the "slide to cancel" label.
CGRect cancelLabelStartFrame = cancelLabel.frame;
CGRect cancelLabelEndFrame = cancelLabel.frame;
cancelLabelStartFrame.origin.x = self.voiceMemoUI.bounds.size.width;
cancelLabel.frame = cancelLabelStartFrame;
voiceMemoLockView.transform = CGAffineTransformMakeScale(0.0, 0.0);
[voiceMemoLockView layoutIfNeeded];
[UIView animateWithDuration:0.2f
delay:1.f
options:0
animations:^{
voiceMemoLockView.transform = CGAffineTransformIdentity;
}
completion:nil];
[UIView animateWithDuration:0.35f
delay:0.f
options:UIViewAnimationOptionCurveEaseOut
animations:^{
cancelLabel.frame = cancelLabelEndFrame;
}
completion:nil];
// Pulse the icon.
imageView.layer.opacity = 1.f;
[UIView animateWithDuration:0.5f
delay:0.2f
options:UIViewAnimationOptionRepeat | UIViewAnimationOptionAutoreverse
| UIViewAnimationOptionCurveEaseIn
animations:^{
imageView.layer.opacity = 0.f;
}
completion:nil];
// Fade in the view.
self.voiceMemoUI.layer.opacity = 0.f;
[UIView animateWithDuration:0.2f
animations:^{
self.voiceMemoUI.layer.opacity = 1.f;
}
completion:^(BOOL finished) {
if (finished) {
self.voiceMemoUI.layer.opacity = 1.f;
}
}];
[self.voiceMemoUpdateTimer invalidate];
self.voiceMemoUpdateTimer = [NSTimer weakScheduledTimerWithTimeInterval:0.1f
target:self
selector:@selector(updateVoiceMemo)
userInfo:nil
repeats:YES];
}
- (void)hideVoiceMemoUI:(BOOL)animated
{
OWSAssertIsOnMainThread();
self.voiceMemoRecordingState = VoiceMemoRecordingState_Idle;
UIView *oldVoiceMemoUI = self.voiceMemoUI;
UIView *oldVoiceMemoLockView = self.voiceMemoLockView;
self.voiceMemoUI = nil;
self.voiceMemoCancelLabel = nil;
self.voiceMemoRedRecordingCircle = nil;
self.voiceMemoContentView = nil;
self.voiceMemoLockView = nil;
self.recordingLabel = nil;
[self.voiceMemoUpdateTimer invalidate];
self.voiceMemoUpdateTimer = nil;
[oldVoiceMemoUI.layer removeAllAnimations];
if (animated) {
[UIView animateWithDuration:0.35f
animations:^{
oldVoiceMemoUI.layer.opacity = 0.f;
oldVoiceMemoLockView.layer.opacity = 0.f;
}
completion:^(BOOL finished) {
[oldVoiceMemoUI removeFromSuperview];
[oldVoiceMemoLockView removeFromSuperview];
}];
} else {
[oldVoiceMemoUI removeFromSuperview];
[oldVoiceMemoLockView removeFromSuperview];
}
}
- (void)lockVoiceMemoUI
{
__weak __typeof(self) weakSelf = self;
UIButton *sendVoiceMemoButton = [[OWSButton alloc] initWithBlock:^{
[weakSelf.inputToolbarDelegate voiceMemoGestureDidComplete];
}];
[sendVoiceMemoButton setTitle:MessageStrings.sendButton forState:UIControlStateNormal];
[sendVoiceMemoButton setTitleColor:UIColor.ows_signalBlueColor forState:UIControlStateNormal];
sendVoiceMemoButton.alpha = 0;
[self.voiceMemoContentView addSubview:sendVoiceMemoButton];
[sendVoiceMemoButton autoPinEdgeToSuperviewMargin:ALEdgeRight withInset:10.f];
[sendVoiceMemoButton autoVCenterInSuperview];
[sendVoiceMemoButton setCompressionResistanceHigh];
[sendVoiceMemoButton setContentHuggingHigh];
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, sendVoiceMemoButton);
UIButton *cancelButton = [[OWSButton alloc] initWithBlock:^{
[weakSelf.inputToolbarDelegate voiceMemoGestureDidCancel];
}];
[cancelButton setTitle:CommonStrings.cancelButton forState:UIControlStateNormal];
[cancelButton setTitleColor:UIColor.ows_accentRedColor forState:UIControlStateNormal];
cancelButton.alpha = 0;
cancelButton.titleLabel.textAlignment = NSTextAlignmentCenter;
SET_SUBVIEW_ACCESSIBILITY_IDENTIFIER(self, cancelButton);
[self.voiceMemoContentView addSubview:cancelButton];
OWSAssert(self.recordingLabel != nil);
[self.recordingLabel setContentHuggingHigh];
[NSLayoutConstraint autoSetPriority:UILayoutPriorityDefaultLow
forConstraints:^{
[cancelButton autoHCenterInSuperview];
}];
[cancelButton autoPinEdge:ALEdgeLeft
toEdge:ALEdgeRight
ofView:self.recordingLabel
withOffset:4
relation:NSLayoutRelationGreaterThanOrEqual];
[cancelButton autoPinEdge:ALEdgeLeft
toEdge:ALEdgeRight
ofView:sendVoiceMemoButton
withOffset:-4
relation:NSLayoutRelationLessThanOrEqual];
[cancelButton autoVCenterInSuperview];
[self.voiceMemoContentView layoutIfNeeded];
[UIView animateWithDuration:0.35
animations:^{
self.voiceMemoCancelLabel.alpha = 0;
self.voiceMemoRedRecordingCircle.alpha = 0;
self.voiceMemoLockView.transform = CGAffineTransformMakeScale(0, 0);
cancelButton.alpha = 1.0;
sendVoiceMemoButton.alpha = 1.0;
}
completion:^(BOOL finished) {
[self.voiceMemoCancelLabel removeFromSuperview];
[self.voiceMemoRedRecordingCircle removeFromSuperview];
[self.voiceMemoLockView removeFromSuperview];
}];
}
- (void)setVoiceMemoUICancelAlpha:(CGFloat)cancelAlpha
{
OWSAssertIsOnMainThread();
// Fade out the voice message views as the cancel gesture
// proceeds as feedback.
self.voiceMemoContentView.layer.opacity = MAX(0.f, MIN(1.f, 1.f - (float)cancelAlpha));
}
- (void)updateVoiceMemo
{
OWSAssertIsOnMainThread();
NSTimeInterval durationSeconds = fabs([self.voiceMemoStartTime timeIntervalSinceNow]);
self.recordingLabel.text = [OWSFormat formatDurationSeconds:(long)round(durationSeconds)];
[self.recordingLabel sizeToFit];
}
- (void)cancelVoiceMemoIfNecessary
{
if (self.isRecordingVoiceMemo) {
self.voiceMemoRecordingState = VoiceMemoRecordingState_Idle;
}
}
#pragma mark - Event Handlers
- (void)sendButtonPressed
{
OWSAssertDebug(self.inputToolbarDelegate);
[self.inputToolbarDelegate sendButtonPressed];
}
- (void)cameraButtonPressed
{
OWSAssertDebug(self.inputToolbarDelegate);
[self.inputToolbarDelegate cameraButtonPressed];
}
- (void)attachmentButtonPressed
{
OWSLogVerbose(@"");
[self toggleKeyboardType:KeyboardType_Attachment];
}
- (void)stickerButtonPressed
{
OWSLogVerbose(@"");
__block BOOL hasInstalledStickerPacks;
[self.databaseStorage uiReadWithBlock:^(SDSAnyReadTransaction *transaction) {
hasInstalledStickerPacks = [StickerManager installedStickerPacksWithTransaction:transaction].count > 0;
}];
if (!hasInstalledStickerPacks) {
// If the keyboard is presented and no stickers are installed,
// show the manage stickers view. Do not show the sticker keyboard.
[self presentManageStickersView];
return;
}
[self toggleKeyboardType:KeyboardType_Sticker];
}
#pragma mark - Keyboards
- (void)toggleKeyboardType:(KeyboardType)keyboardType
{
OWSAssertDebug(self.inputToolbarDelegate);
if (self.desiredKeyboardType == keyboardType) {
self.desiredKeyboardType = KeyboardType_System;
} else {
// For switching to anything other than the system keyboard,
// make sure this conversation isn't blocked before presenting it.
if ([self.inputToolbarDelegate isBlockedConversation]) {
__weak ConversationInputToolbar *weakSelf = self;
[self.inputToolbarDelegate showUnblockConversationUI:^(BOOL isBlocked) {
if (!isBlocked) {
[weakSelf toggleKeyboardType:keyboardType];
}
}];
return;
}
self.desiredKeyboardType = keyboardType;
}
[self beginEditingMessage];
}
- (void)setDesiredKeyboardType:(KeyboardType)desiredKeyboardType
{
if (_desiredKeyboardType == desiredKeyboardType) {
return;
}
_desiredKeyboardType = desiredKeyboardType;
[self ensureButtonVisibilityWithIsAnimated:NO doLayout:YES];
if (self.isInputViewFirstResponder) {
// If any keyboard is presented, make sure the correct
// keyboard is presented.
[self beginEditingMessage];
} else {
// Make sure neither keyboard is presented.
[self endEditingMessage];
}
}
- (void)clearDesiredKeyboard
{
OWSAssertIsOnMainThread();
self.desiredKeyboardType = KeyboardType_System;
}
- (UIResponder *)desiredFirstResponder
{
switch (self.desiredKeyboardType) {
case KeyboardType_System:
return self.inputTextView;
case KeyboardType_Sticker:
return self.stickerKeyboard;
case KeyboardType_Attachment:
return self.attachmentKeyboard;
}
}
- (void)showStickerKeyboard
{
OWSAssertIsOnMainThread();
if (self.desiredKeyboardType != KeyboardType_Sticker) {
[self toggleKeyboardType:KeyboardType_Sticker];
}
}
- (void)showAttachmentKeyboard
{
OWSAssertIsOnMainThread();
if (self.desiredKeyboardType != KeyboardType_Attachment) {
[self toggleKeyboardType:KeyboardType_Attachment];
}
}
#pragma mark - ConversationTextViewToolbarDelegate
- (void)setBounds:(CGRect)bounds
{
CGFloat oldHeight = self.bounds.size.height;
[super setBounds:bounds];
if (oldHeight != bounds.size.height) {
[self.inputToolbarDelegate updateToolbarHeight];
}
}
- (void)textViewDidChange:(UITextView *)textView
{
OWSAssertDebug(self.inputToolbarDelegate);
[self ensureButtonVisibilityWithIsAnimated:YES doLayout:YES];
[self updateHeightWithTextView:textView];
[self updateInputLinkPreview];
}
- (void)textViewDidChangeSelection:(UITextView *)textView
{
[self updateInputLinkPreview];
}
- (void)updateHeightWithTextView:(UITextView *)textView
{
// compute new height assuming width is unchanged
CGSize currentSize = textView.frame.size;
CGFloat fixedWidth = currentSize.width;
CGSize contentSize = [textView sizeThatFits:CGSizeMake(fixedWidth, CGFLOAT_MAX)];
// `textView.contentSize` isn't accurate when restoring a multiline draft, so we compute it here.
textView.contentSize = contentSize;
CGFloat newHeight = CGFloatClamp(contentSize.height,
kMinTextViewHeight,
UIDevice.currentDevice.isIPad ? kMaxIPadTextViewHeight : kMaxTextViewHeight);
if (newHeight != self.textViewHeight) {
self.textViewHeight = newHeight;
OWSAssertDebug(self.textViewHeightConstraint);
self.textViewHeightConstraint.constant = newHeight;
[self invalidateIntrinsicContentSize];
}
}
- (void)textViewDidBecomeFirstResponder:(UITextView *)textView
{
self.desiredKeyboardType = KeyboardType_System;
}
#pragma mark QuotedReplyPreviewViewDelegate
- (void)quotedReplyPreviewDidPressCancel:(QuotedReplyPreview *)preview
{
self.quotedReply = nil;
}
#pragma mark - Link Preview
- (void)updateInputLinkPreview
{
OWSAssertIsOnMainThread();
NSString *body =
[[self messageText] stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
if (body.length < 1) {
[self clearLinkPreviewStateAndView];
self.wasLinkPreviewCancelled = NO;
return;
}
if (self.wasLinkPreviewCancelled) {
[self clearLinkPreviewStateAndView];
return;
}
// Don't include link previews for oversize text messages.
if ([body lengthOfBytesUsingEncoding:NSUTF8StringEncoding] >= kOversizeTextMessageSizeThreshold) {
[self clearLinkPreviewStateAndView];
return;
}
// It's key that we use the *raw/unstripped* text, so we can reconcile cursor position with the
// selectedRange.
NSString *_Nullable previewUrl =
[self.linkPreviewManager previewUrlForRawBodyText:self.inputTextView.text
selectedRange:self.inputTextView.selectedRange];
if (previewUrl.length < 1) {
[self clearLinkPreviewStateAndView];
return;
}
if (self.inputLinkPreview && [self.inputLinkPreview.previewUrl isEqualToString:previewUrl]) {
// No need to update.
return;
}
InputLinkPreview *inputLinkPreview = [InputLinkPreview new];
self.inputLinkPreview = inputLinkPreview;
self.inputLinkPreview.previewUrl = previewUrl;
[self ensureLinkPreviewViewWithState:[LinkPreviewLoading new]];
__weak ConversationInputToolbar *weakSelf = self;
[[self.linkPreviewManager tryToBuildPreviewInfoObjcWithPreviewUrl:previewUrl]
.then(^(OWSLinkPreviewDraft *linkPreviewDraft) {
ConversationInputToolbar *_Nullable strongSelf = weakSelf;
if (!strongSelf) {
return;
}
if (strongSelf.inputLinkPreview != inputLinkPreview) {
// Obsolete callback.
return;
}
inputLinkPreview.linkPreviewDraft = linkPreviewDraft;
LinkPreviewDraft *viewState = [[LinkPreviewDraft alloc] initWithLinkPreviewDraft:linkPreviewDraft];
[strongSelf ensureLinkPreviewViewWithState:viewState];
})
.catch(^(id error) {
// The link preview could not be loaded.
[weakSelf clearLinkPreviewView];
}) retainUntilComplete];
}
- (void)ensureLinkPreviewViewWithState:(id<LinkPreviewState>)state
{
OWSAssertIsOnMainThread();
[self clearLinkPreviewView];
LinkPreviewView *linkPreviewView = [[LinkPreviewView alloc] initWithDraftDelegate:self];
linkPreviewView.state = state;
linkPreviewView.hasAsymmetricalRounding = !self.quotedReply;
self.linkPreviewView = linkPreviewView;
self.linkPreviewWrapper.hidden = NO;
[self.linkPreviewWrapper addSubview:linkPreviewView];
[linkPreviewView ows_autoPinToSuperviewMargins];
}
- (void)clearLinkPreviewStateAndView
{
OWSAssertIsOnMainThread();
self.inputLinkPreview = nil;
self.linkPreviewView = nil;
[self clearLinkPreviewView];
}
- (void)clearLinkPreviewView
{
OWSAssertIsOnMainThread();
// Clear old link preview state.
for (UIView *subview in self.linkPreviewWrapper.subviews) {
[subview removeFromSuperview];
}
self.linkPreviewWrapper.hidden = YES;
}
- (nullable OWSLinkPreviewDraft *)linkPreviewDraft
{
OWSAssertIsOnMainThread();
if (!self.inputLinkPreview) {
return nil;
}
if (self.wasLinkPreviewCancelled) {
return nil;
}
return self.inputLinkPreview.linkPreviewDraft;
}
#pragma mark - LinkPreviewViewDraftDelegate
- (BOOL)linkPreviewCanCancel
{
OWSAssertIsOnMainThread();
return YES;
}
- (void)linkPreviewDidCancel
{
OWSAssertIsOnMainThread();
self.wasLinkPreviewCancelled = YES;
self.inputLinkPreview = nil;
[self clearLinkPreviewStateAndView];
}
#pragma mark - StickerKeyboardDelegate
- (void)didSelectStickerWithStickerInfo:(StickerInfo *)stickerInfo
{
OWSAssertIsOnMainThread();
OWSLogVerbose(@"");
[self.inputToolbarDelegate sendSticker:stickerInfo];
}
- (void)presentManageStickersView
{
OWSAssertIsOnMainThread();
OWSLogVerbose(@"");
[self.inputToolbarDelegate presentManageStickersView];
}
#pragma mark - Suggested Stickers
- (void)updateSuggestedStickers
{
NSString *inputText = self.inputTextView.trimmedText;
NSArray<InstalledSticker *> *suggestedStickers = [StickerManager.shared suggestedStickersForTextInput:inputText];
NSMutableArray<StickerInfo *> *infos = [NSMutableArray new];
for (InstalledSticker *installedSticker in suggestedStickers) {
[infos addObject:installedSticker.info];
}
self.suggestedStickerInfos = [infos copy];
}
- (void)setSuggestedStickerInfos:(NSArray<StickerInfo *> *)suggestedStickerInfos
{
BOOL didChange = ![NSObject isNullableObject:_suggestedStickerInfos equalTo:suggestedStickerInfos];
_suggestedStickerInfos = suggestedStickerInfos;
if (didChange) {
[self updateSuggestedStickerView];
}
}
- (void)updateSuggestedStickerView
{
if (self.suggestedStickerInfos.count < 1) {
self.suggestedStickerView.hidden = YES;
return;
}
__weak __typeof(self) weakSelf = self;
BOOL shouldReset = self.suggestedStickerView.isHidden;
NSMutableArray<id<StickerHorizontalListViewItem>> *items = [NSMutableArray new];
for (StickerInfo *stickerInfo in self.suggestedStickerInfos) {
[items addObject:[[StickerHorizontalListViewItemSticker alloc]
initWithStickerInfo:stickerInfo
didSelectBlock:^{
[weakSelf didSelectSuggestedSticker:stickerInfo];
}]];
}
self.suggestedStickerView.items = items;
self.suggestedStickerView.hidden = NO;
if (shouldReset) {
self.suggestedStickerView.contentOffset
= CGPointMake(-self.suggestedStickerView.contentInset.left, -self.suggestedStickerView.contentInset.top);
}
}
- (void)didSelectSuggestedSticker:(StickerInfo *)stickerInfo
{
OWSAssertIsOnMainThread();
OWSLogVerbose(@"");
[self clearTextMessageAnimated:YES];
[self.inputToolbarDelegate sendSticker:stickerInfo];
}
// stickerTooltip lies outside this view's bounds, so we
// need to special-case the hit testing so that it can
// intercept touches within its bounds.
- (BOOL)pointInside:(CGPoint)point withEvent:(nullable UIEvent *)event
{
UIView *_Nullable stickerTooltip = self.stickerTooltip;
if (stickerTooltip != nil) {
CGRect stickerTooltipFrame = [self convertRect:stickerTooltip.bounds fromView:stickerTooltip];
if (CGRectContainsPoint(stickerTooltipFrame, point)) {
return YES;
}
}
return [super pointInside:point withEvent:event];
}
- (void)viewDidAppear
{
[self ensureButtonVisibilityWithIsAnimated:NO doLayout:NO];
[self cacheKeyboardIfNecessary];
}
- (void)cacheKeyboardIfNecessary
{
// Preload the keyboard if we're not showing it already, this
// allows us to calculate the appropriate initial height for
// our custom inputViews and in general to present it faster
// We disable animations so this preload is invisible to the
// user.
//
// We only measure the keyboard if the toolbar isn't hidden.
// If it's hidden, we're likely here from a peek interaction
// and don't want to show the keyboard. We'll measure it later.
if (!self.inputTextView.isFirstResponder && !self.isHidden) {
// Flag that we're measuring the system keyboard's height, so
// even if though it won't be the first responder by the time
// the notifications fire, we'll still read its measurement
self.isMeasuringKeyboardHeight = YES;
[UIView setAnimationsEnabled:NO];
[self.inputTextView becomeFirstResponder];
[self.inputTextView resignFirstResponder];
[UIView setAnimationsEnabled:YES];
}
}
- (void)applicationDidBecomeActive:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self restoreDesiredKeyboardIfNecessary];
}
- (void)isStickerSendEnabledDidChange:(NSNotification *)notification
{
OWSAssertIsOnMainThread();
[self ensureButtonVisibilityWithIsAnimated:YES doLayout:YES];
}
- (void)ensureFirstResponderState
{
[self restoreDesiredKeyboardIfNecessary];
}
- (void)restoreDesiredKeyboardIfNecessary
{
OWSAssertIsOnMainThread();
if (self.desiredKeyboardType != KeyboardType_System && !self.desiredFirstResponder.isFirstResponder) {
[self.desiredFirstResponder becomeFirstResponder];
}
}
- (void)keyboardFrameDidChange:(NSNotification *)notification
{
NSValue *_Nullable keyboardEndFrameValue = notification.userInfo[UIKeyboardFrameEndUserInfoKey];
if (!keyboardEndFrameValue) {
OWSFailDebug(@"Missing keyboard end frame");
return;
}
CGRect keyboardEndFrame = [keyboardEndFrameValue CGRectValue];
if (self.inputTextView.isFirstResponder || self.isMeasuringKeyboardHeight) {
// The returned keyboard height includes the input view, so subtract our height.
CGFloat newHeight = keyboardEndFrame.size.height - self.frame.size.height;
if (newHeight > 0) {
[self.stickerKeyboard updateSystemKeyboardHeight:newHeight];
[self.attachmentKeyboard updateSystemKeyboardHeight:newHeight];
self.isMeasuringKeyboardHeight = NO;
}
}
}
#pragma mark - Attachment Keyboard Delegate
- (void)didSelectRecentPhotoWithAsset:(PHAsset *)asset attachment:(SignalAttachment *)attachment
{
[self.inputToolbarDelegate didSelectRecentPhotoWithAsset:asset attachment:attachment];
}
- (void)didTapGalleryButton
{
[self.inputToolbarDelegate galleryButtonPressed];
}
- (void)didTapCameraWithPhotoCapture:(nullable PhotoCapture *)photoCapture
{
[self.inputToolbarDelegate cameraButtonPressedWithPhotoCapture:photoCapture];
}
- (void)didTapGif
{
[self.inputToolbarDelegate gifButtonPressed];
}
- (void)didTapFile
{
[self.inputToolbarDelegate fileButtonPressed];
}
- (void)didTapContact
{
[self.inputToolbarDelegate contactButtonPressed];
}
- (void)didTapLocation
{
[self.inputToolbarDelegate locationButtonPressed];
}
@end
NS_ASSUME_NONNULL_END