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Diffstat (limited to 'widget/cocoa/nsTouchBar.mm')
| -rw-r--r-- | widget/cocoa/nsTouchBar.mm | 605 |
1 files changed, 605 insertions, 0 deletions
diff --git a/widget/cocoa/nsTouchBar.mm b/widget/cocoa/nsTouchBar.mm new file mode 100644 index 0000000000..f6a7042381 --- /dev/null +++ b/widget/cocoa/nsTouchBar.mm @@ -0,0 +1,605 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsTouchBar.h" + +#include <objc/runtime.h> + +#include "mozilla/MacStringHelpers.h" +#include "mozilla/dom/Document.h" +#include "nsArrayUtils.h" +#include "nsCocoaUtils.h" +#include "nsDirectoryServiceDefs.h" +#include "nsIArray.h" +#include "nsTouchBarInputIcon.h" +#include "nsWidgetsCID.h" + +@implementation nsTouchBar + +// Used to tie action strings to buttons. +static char sIdentifierAssociationKey; + +// The default space between inputs, used where layout is not automatic. +static const uint32_t kInputSpacing = 8; +// The width of buttons in Apple's Share ScrollView. We use this in our +// ScrollViews to give them a native appearance. +static const uint32_t kScrollViewButtonWidth = 144; +static const uint32_t kInputIconSize = 16; + +// The system default width for Touch Bar inputs is 128px. This is double. +#define MAIN_BUTTON_WIDTH 256 + +#pragma mark - NSTouchBarDelegate + +- (instancetype)init { + return [self initWithInputs:nil]; +} + +- (instancetype)initWithInputs:(NSMutableArray<TouchBarInput*>*)aInputs { + if ((self = [super init])) { + mTouchBarHelper = do_GetService(NS_TOUCHBARHELPER_CID); + if (!mTouchBarHelper) { + NS_ERROR("Unable to create Touch Bar Helper."); + return nil; + } + + self.delegate = self; + self.mappedLayoutItems = [NSMutableDictionary dictionary]; + self.customizationAllowedItemIdentifiers = @[]; + + if (!aInputs) { + // This customization identifier is how users' custom layouts are saved by macOS. + // If this changes, all users' layouts would be reset to the default layout. + self.customizationIdentifier = + [kTouchBarBaseIdentifier stringByAppendingPathExtension:@"defaultbar"]; + nsCOMPtr<nsIArray> allItems; + + nsresult rv = mTouchBarHelper->GetAllItems(getter_AddRefs(allItems)); + if (NS_FAILED(rv) || !allItems) { + return nil; + } + + uint32_t itemCount = 0; + allItems->GetLength(&itemCount); + // This is copied to self.customizationAllowedItemIdentifiers. + // Required since [self.mappedItems allKeys] does not preserve order. + // One slot is added for the spacer item. + NSMutableArray* orderedIdentifiers = [NSMutableArray arrayWithCapacity:itemCount + 1]; + for (uint32_t i = 0; i < itemCount; ++i) { + nsCOMPtr<nsITouchBarInput> input = do_QueryElementAt(allItems, i); + if (!input) { + continue; + } + + TouchBarInput* convertedInput; + NSTouchBarItemIdentifier newInputIdentifier = + [TouchBarInput nativeIdentifierWithXPCOM:input]; + if (!newInputIdentifier) { + continue; + } + + // If there is already an input in mappedLayoutItems with this identifier, + // that means updateItem fired before this initialization. The input + // cached by updateItem is more current, so we should use that one. + if (self.mappedLayoutItems[newInputIdentifier]) { + convertedInput = self.mappedLayoutItems[newInputIdentifier]; + } else { + convertedInput = [[TouchBarInput alloc] initWithXPCOM:input]; + // Add new input to dictionary for lookup of properties in delegate. + self.mappedLayoutItems[[convertedInput nativeIdentifier]] = convertedInput; + } + + orderedIdentifiers[i] = [convertedInput nativeIdentifier]; + } + [orderedIdentifiers addObject:@"NSTouchBarItemIdentifierFlexibleSpace"]; + self.customizationAllowedItemIdentifiers = [orderedIdentifiers copy]; + + NSArray* defaultItemIdentifiers = @[ + [TouchBarInput nativeIdentifierWithType:@"button" withKey:@"back"], + [TouchBarInput nativeIdentifierWithType:@"button" withKey:@"forward"], + [TouchBarInput nativeIdentifierWithType:@"button" withKey:@"reload"], + [TouchBarInput nativeIdentifierWithType:@"mainButton" withKey:@"open-location"], + [TouchBarInput nativeIdentifierWithType:@"button" withKey:@"new-tab"], + [TouchBarInput shareScrubberIdentifier], [TouchBarInput searchPopoverIdentifier] + ]; + self.defaultItemIdentifiers = [defaultItemIdentifiers copy]; + } else { + NSMutableArray* defaultItemIdentifiers = [NSMutableArray arrayWithCapacity:[aInputs count]]; + for (TouchBarInput* input in aInputs) { + self.mappedLayoutItems[[input nativeIdentifier]] = input; + [defaultItemIdentifiers addObject:[input nativeIdentifier]]; + } + self.defaultItemIdentifiers = [defaultItemIdentifiers copy]; + } + } + + return self; +} + +- (void)dealloc { + for (NSTouchBarItemIdentifier identifier in self.mappedLayoutItems) { + NSTouchBarItem* item = [self itemForIdentifier:identifier]; + if (!item) { + continue; + } + if ([item isKindOfClass:[NSPopoverTouchBarItem class]]) { + [(NSPopoverTouchBarItem*)item setCollapsedRepresentationImage:nil]; + [(nsTouchBar*)[(NSPopoverTouchBarItem*)item popoverTouchBar] release]; + } else if ([[item view] isKindOfClass:[NSScrollView class]]) { + [[(NSScrollView*)[item view] documentView] release]; + [(NSScrollView*)[item view] release]; + } + + [item release]; + } + + [self.defaultItemIdentifiers release]; + [self.customizationAllowedItemIdentifiers release]; + [self.scrollViewButtons removeAllObjects]; + [self.scrollViewButtons release]; + [self.mappedLayoutItems removeAllObjects]; + [self.mappedLayoutItems release]; + [super dealloc]; +} + +- (NSTouchBarItem*)touchBar:(NSTouchBar*)aTouchBar + makeItemForIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!mTouchBarHelper) { + return nil; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input) { + return nil; + } + + if ([input baseType] == TouchBarInputBaseType::kScrubber) { + // We check the identifier rather than the baseType here as a special case. + if (![aIdentifier isEqualToString:[TouchBarInput shareScrubberIdentifier]]) { + // We're only supporting the Share scrubber for now. + return nil; + } + return [self makeShareScrubberForIdentifier:aIdentifier]; + } + + if ([input baseType] == TouchBarInputBaseType::kPopover) { + NSPopoverTouchBarItem* newPopoverItem = + [[NSPopoverTouchBarItem alloc] initWithIdentifier:aIdentifier]; + [newPopoverItem setCustomizationLabel:[input title]]; + // We initialize popoverTouchBar here because we only allow setting this + // property on popover creation. Updating popoverTouchBar for every update + // of the popover item would be very expensive. + newPopoverItem.popoverTouchBar = [[nsTouchBar alloc] initWithInputs:[input children]]; + [self updatePopover:newPopoverItem withIdentifier:[input nativeIdentifier]]; + return newPopoverItem; + } + + // Our new item, which will be initialized depending on aIdentifier. + NSCustomTouchBarItem* newItem = [[NSCustomTouchBarItem alloc] initWithIdentifier:aIdentifier]; + [newItem setCustomizationLabel:[input title]]; + + if ([input baseType] == TouchBarInputBaseType::kScrollView) { + [self updateScrollView:newItem withIdentifier:[input nativeIdentifier]]; + return newItem; + } else if ([input baseType] == TouchBarInputBaseType::kLabel) { + NSTextField* label = [NSTextField labelWithString:@""]; + [self updateLabel:label withIdentifier:[input nativeIdentifier]]; + newItem.view = label; + return newItem; + } + + // The cases of a button or main button require the same setup. + NSButton* button = [NSButton buttonWithTitle:@"" target:self action:@selector(touchBarAction:)]; + newItem.view = button; + + if ([input baseType] == TouchBarInputBaseType::kButton && + ![[input type] hasPrefix:@"scrollView"]) { + [self updateButton:newItem withIdentifier:[input nativeIdentifier]]; + } else if ([input baseType] == TouchBarInputBaseType::kMainButton) { + [self updateMainButton:newItem withIdentifier:[input nativeIdentifier]]; + } + return newItem; +} + +- (bool)updateItem:(TouchBarInput*)aInput { + if (!mTouchBarHelper) { + return false; + } + + NSTouchBarItem* item = [self itemForIdentifier:[aInput nativeIdentifier]]; + + // If we can't immediately find item, there are three possibilities: + // * It is a button in a ScrollView, or + // * It is contained within a popover, or + // * It simply does not exist. + // We check for each possibility here. + if (!self.mappedLayoutItems[[aInput nativeIdentifier]]) { + if ([self maybeUpdateScrollViewChild:aInput]) { + return true; + } + if ([self maybeUpdatePopoverChild:aInput]) { + return true; + } + return false; + } + + // Update our canonical copy of the input. + [self replaceMappedLayoutItem:aInput]; + + if ([aInput baseType] == TouchBarInputBaseType::kButton) { + [(NSCustomTouchBarItem*)item setCustomizationLabel:[aInput title]]; + [self updateButton:(NSCustomTouchBarItem*)item withIdentifier:[aInput nativeIdentifier]]; + } else if ([aInput baseType] == TouchBarInputBaseType::kMainButton) { + [(NSCustomTouchBarItem*)item setCustomizationLabel:[aInput title]]; + [self updateMainButton:(NSCustomTouchBarItem*)item withIdentifier:[aInput nativeIdentifier]]; + } else if ([aInput baseType] == TouchBarInputBaseType::kScrollView) { + [(NSCustomTouchBarItem*)item setCustomizationLabel:[aInput title]]; + [self updateScrollView:(NSCustomTouchBarItem*)item withIdentifier:[aInput nativeIdentifier]]; + } else if ([aInput baseType] == TouchBarInputBaseType::kPopover) { + [(NSPopoverTouchBarItem*)item setCustomizationLabel:[aInput title]]; + [self updatePopover:(NSPopoverTouchBarItem*)item withIdentifier:[aInput nativeIdentifier]]; + for (TouchBarInput* child in [aInput children]) { + [(nsTouchBar*)[(NSPopoverTouchBarItem*)item popoverTouchBar] updateItem:child]; + } + } else if ([aInput baseType] == TouchBarInputBaseType::kLabel) { + [self updateLabel:(NSTextField*)item.view withIdentifier:[aInput nativeIdentifier]]; + } + + return true; +} + +- (bool)maybeUpdatePopoverChild:(TouchBarInput*)aInput { + for (NSTouchBarItemIdentifier identifier in self.mappedLayoutItems) { + TouchBarInput* potentialPopover = self.mappedLayoutItems[identifier]; + if ([potentialPopover baseType] != TouchBarInputBaseType::kPopover) { + continue; + } + NSTouchBarItem* popover = [self itemForIdentifier:[potentialPopover nativeIdentifier]]; + if (popover) { + if ([(nsTouchBar*)[(NSPopoverTouchBarItem*)popover popoverTouchBar] updateItem:aInput]) { + return true; + } + } + } + return false; +} + +- (bool)maybeUpdateScrollViewChild:(TouchBarInput*)aInput { + NSCustomTouchBarItem* scrollViewButton = self.scrollViewButtons[[aInput nativeIdentifier]]; + if (scrollViewButton) { + // ScrollView buttons are similar to mainButtons except for their width. + [self updateMainButton:scrollViewButton withIdentifier:[aInput nativeIdentifier]]; + NSButton* button = (NSButton*)scrollViewButton.view; + uint32_t buttonSize = MAX(button.attributedTitle.size.width + kInputIconSize + kInputSpacing, + kScrollViewButtonWidth); + [[button widthAnchor] constraintGreaterThanOrEqualToConstant:buttonSize].active = YES; + } + // Updating the TouchBarInput* in the ScrollView's mChildren array. + for (NSTouchBarItemIdentifier identifier in self.mappedLayoutItems) { + TouchBarInput* potentialScrollView = self.mappedLayoutItems[identifier]; + if ([potentialScrollView baseType] != TouchBarInputBaseType::kScrollView) { + continue; + } + for (uint32_t i = 0; i < [[potentialScrollView children] count]; ++i) { + TouchBarInput* child = [potentialScrollView children][i]; + if (![[child nativeIdentifier] isEqualToString:[aInput nativeIdentifier]]) { + continue; + } + [[potentialScrollView children] replaceObjectAtIndex:i withObject:aInput]; + [child release]; + return true; + } + } + return false; +} + +- (void)replaceMappedLayoutItem:(TouchBarInput*)aItem { + [self.mappedLayoutItems[[aItem nativeIdentifier]] release]; + self.mappedLayoutItems[[aItem nativeIdentifier]] = aItem; +} + +- (void)updateButton:(NSCustomTouchBarItem*)aButton + withIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!aButton || !aIdentifier) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input) { + return; + } + + NSButton* button = (NSButton*)[aButton view]; + button.title = [input title]; + if ([input imageURI]) { + [button setImagePosition:NSImageOnly]; + [self loadIconForInput:input forItem:aButton]; + // Because we are hiding the title, NSAccessibility also does not get it. + // Therefore, set an accessibility label as alternative text for image-only buttons. + [button setAccessibilityLabel:[input title]]; + } + + [button setEnabled:![input isDisabled]]; + if ([input color]) { + button.bezelColor = [input color]; + } + + objc_setAssociatedObject(button, &sIdentifierAssociationKey, aIdentifier, + OBJC_ASSOCIATION_RETAIN); +} + +- (void)updateMainButton:(NSCustomTouchBarItem*)aMainButton + withIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!aMainButton || !aIdentifier) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input) { + return; + } + + [self updateButton:aMainButton withIdentifier:aIdentifier]; + NSButton* button = (NSButton*)[aMainButton view]; + + // If empty, string is still being localized. Display a blank input instead. + if ([[input title] isEqualToString:@""]) { + [button setImagePosition:NSNoImage]; + } else { + [button setImagePosition:NSImageLeft]; + } + button.imageHugsTitle = YES; + [button.widthAnchor constraintGreaterThanOrEqualToConstant:MAIN_BUTTON_WIDTH].active = YES; + [button setContentHuggingPriority:1.0 forOrientation:NSLayoutConstraintOrientationHorizontal]; +} + +- (void)updatePopover:(NSPopoverTouchBarItem*)aPopoverItem + withIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!aPopoverItem || !aIdentifier) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input) { + return; + } + + aPopoverItem.showsCloseButton = YES; + if ([input imageURI]) { + [self loadIconForInput:input forItem:aPopoverItem]; + } else if ([input title]) { + aPopoverItem.collapsedRepresentationLabel = [input title]; + } + + // Special handling to show/hide the search popover if the Urlbar is focused. + if ([[input nativeIdentifier] isEqualToString:[TouchBarInput searchPopoverIdentifier]]) { + // We can reach this code during window shutdown. We only want to toggle + // showPopover if we are in a normal running state. + if (!mTouchBarHelper) { + return; + } + bool urlbarIsFocused = false; + mTouchBarHelper->GetIsUrlbarFocused(&urlbarIsFocused); + if (urlbarIsFocused) { + [aPopoverItem showPopover:self]; + } + } +} + +- (void)updateScrollView:(NSCustomTouchBarItem*)aScrollViewItem + withIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!aScrollViewItem || !aIdentifier) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input || ![input children]) { + return; + } + + NSMutableDictionary* constraintViews = [NSMutableDictionary dictionary]; + NSView* documentView = [[NSView alloc] initWithFrame:NSZeroRect]; + NSString* layoutFormat = @"H:|-8-"; + NSSize size = NSMakeSize(kInputSpacing, 30); + // Layout strings allow only alphanumeric characters. We will use this + // NSCharacterSet to strip illegal characters. + NSCharacterSet* charactersToRemove = [[NSCharacterSet alphanumericCharacterSet] invertedSet]; + + for (TouchBarInput* childInput in [input children]) { + if ([childInput baseType] != TouchBarInputBaseType::kButton) { + continue; + } + [self replaceMappedLayoutItem:childInput]; + NSCustomTouchBarItem* newItem = + [[NSCustomTouchBarItem alloc] initWithIdentifier:[childInput nativeIdentifier]]; + NSButton* button = [NSButton buttonWithTitle:[childInput title] + target:self + action:@selector(touchBarAction:)]; + newItem.view = button; + // ScrollView buttons are similar to mainButtons except for their width. + [self updateMainButton:newItem withIdentifier:[childInput nativeIdentifier]]; + uint32_t buttonSize = MAX(button.attributedTitle.size.width + kInputIconSize + kInputSpacing, + kScrollViewButtonWidth); + [[button widthAnchor] constraintGreaterThanOrEqualToConstant:buttonSize].active = YES; + + NSCustomTouchBarItem* tempItem = self.scrollViewButtons[[childInput nativeIdentifier]]; + self.scrollViewButtons[[childInput nativeIdentifier]] = newItem; + [tempItem release]; + + button.translatesAutoresizingMaskIntoConstraints = NO; + [documentView addSubview:button]; + NSString* layoutKey = [[[childInput nativeIdentifier] + componentsSeparatedByCharactersInSet:charactersToRemove] componentsJoinedByString:@""]; + + // Iteratively create our layout string. + layoutFormat = + [layoutFormat stringByAppendingString:[NSString stringWithFormat:@"[%@]-8-", layoutKey]]; + [constraintViews setObject:button forKey:layoutKey]; + size.width += kInputSpacing + buttonSize; + } + layoutFormat = [layoutFormat stringByAppendingString:[NSString stringWithFormat:@"|"]]; + NSArray* hConstraints = + [NSLayoutConstraint constraintsWithVisualFormat:layoutFormat + options:NSLayoutFormatAlignAllCenterY + metrics:nil + views:constraintViews]; + NSScrollView* scrollView = + [[NSScrollView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)]; + [documentView setFrame:NSMakeRect(0, 0, size.width, size.height)]; + [NSLayoutConstraint activateConstraints:hConstraints]; + scrollView.documentView = documentView; + + aScrollViewItem.view = scrollView; +} + +- (void)updateLabel:(NSTextField*)aLabel withIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + if (!aLabel || !aIdentifier) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + if (!input || ![input title]) { + return; + } + [aLabel setStringValue:[input title]]; +} + +- (NSTouchBarItem*)makeShareScrubberForIdentifier:(NSTouchBarItemIdentifier)aIdentifier { + TouchBarInput* input = self.mappedLayoutItems[aIdentifier]; + // System-default share menu + NSSharingServicePickerTouchBarItem* servicesItem = + [[NSSharingServicePickerTouchBarItem alloc] initWithIdentifier:aIdentifier]; + + // buttonImage needs to be set to nil while we wait for our icon to load. + // Otherwise, the default Apple share icon is automatically loaded. + servicesItem.buttonImage = nil; + + [self loadIconForInput:input forItem:servicesItem]; + + servicesItem.delegate = self; + return servicesItem; +} + +- (void)showPopover:(TouchBarInput*)aPopover showing:(bool)aShowing { + if (!aPopover) { + return; + } + NSPopoverTouchBarItem* popoverItem = + (NSPopoverTouchBarItem*)[self itemForIdentifier:[aPopover nativeIdentifier]]; + if (!popoverItem) { + return; + } + if (aShowing) { + [popoverItem showPopover:self]; + } else { + [popoverItem dismissPopover:self]; + } +} + +- (void)touchBarAction:(id)aSender { + NSTouchBarItemIdentifier identifier = + objc_getAssociatedObject(aSender, &sIdentifierAssociationKey); + if (!identifier || [identifier isEqualToString:@""]) { + return; + } + + TouchBarInput* input = self.mappedLayoutItems[identifier]; + if (!input) { + return; + } + + nsCOMPtr<nsITouchBarInputCallback> callback = [input callback]; + if (!callback) { + NSLog(@"Touch Bar action attempted with no valid callback! Identifier: %@", + [input nativeIdentifier]); + return; + } + callback->OnCommand(); +} + +- (void)loadIconForInput:(TouchBarInput*)aInput forItem:(NSTouchBarItem*)aItem { + if (!aInput || ![aInput imageURI] || !aItem || !mTouchBarHelper) { + return; + } + + RefPtr<nsTouchBarInputIcon> icon = [aInput icon]; + + if (!icon) { + RefPtr<Document> document; + nsresult rv = mTouchBarHelper->GetDocument(getter_AddRefs(document)); + if (NS_FAILED(rv) || !document) { + return; + } + icon = new nsTouchBarInputIcon(document, aInput, aItem); + [aInput setIcon:icon]; + } + icon->SetupIcon([aInput imageURI]); +} + +- (void)releaseJSObjects { + mTouchBarHelper = nil; + + for (NSTouchBarItemIdentifier identifier in self.mappedLayoutItems) { + TouchBarInput* input = self.mappedLayoutItems[identifier]; + if (!input) { + continue; + } + + // Childless popovers contain the default Touch Bar as its popoverTouchBar. + // We check for [input children] since the default Touch Bar contains a + // popover (search-popover), so this would infinitely loop if there was no check. + if ([input baseType] == TouchBarInputBaseType::kPopover && [input children]) { + NSTouchBarItem* item = [self itemForIdentifier:identifier]; + [(nsTouchBar*)[(NSPopoverTouchBarItem*)item popoverTouchBar] releaseJSObjects]; + } + + [input releaseJSObjects]; + } +} + +#pragma mark - NSSharingServicePickerTouchBarItemDelegate + +- (NSArray*)itemsForSharingServicePickerTouchBarItem: + (NSSharingServicePickerTouchBarItem*)aPickerTouchBarItem { + NSURL* urlToShare = nil; + NSString* titleToShare = @""; + nsAutoString url; + nsAutoString title; + if (mTouchBarHelper) { + nsresult rv = mTouchBarHelper->GetActiveUrl(url); + if (!NS_FAILED(rv)) { + urlToShare = [NSURL URLWithString:nsCocoaUtils::ToNSString(url)]; + // NSURL URLWithString returns nil if the URL is invalid. At this point, + // it is too late to simply shut down the share menu, so we default to + // about:blank if the share button is clicked when the URL is invalid. + if (urlToShare == nil) { + urlToShare = [NSURL URLWithString:@"about:blank"]; + } + } + + rv = mTouchBarHelper->GetActiveTitle(title); + if (!NS_FAILED(rv)) { + titleToShare = nsCocoaUtils::ToNSString(title); + } + } + + return @[ urlToShare, titleToShare ]; +} + +- (NSArray<NSSharingService*>*)sharingServicePicker:(NSSharingServicePicker*)aSharingServicePicker + sharingServicesForItems:(NSArray*)aItems + proposedSharingServices:(NSArray<NSSharingService*>*)aProposedServices { + // redundant services + NSArray* excludedServices = @[ + @"com.apple.share.System.add-to-safari-reading-list", + ]; + + NSArray* sharingServices = [aProposedServices + filteredArrayUsingPredicate:[NSPredicate + predicateWithFormat:@"NOT (name IN %@)", excludedServices]]; + + return sharingServices; +} + +@end |