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Diffstat (limited to 'widget/cocoa/nsMacSharingService.mm')
| -rw-r--r-- | widget/cocoa/nsMacSharingService.mm | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/widget/cocoa/nsMacSharingService.mm b/widget/cocoa/nsMacSharingService.mm new file mode 100644 index 0000000000..bc62e5e85e --- /dev/null +++ b/widget/cocoa/nsMacSharingService.mm @@ -0,0 +1,206 @@ +/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */ +/* 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/. */ + +#import <Cocoa/Cocoa.h> + +#include "nsMacSharingService.h" + +#include "jsapi.h" +#include "js/Array.h" // JS::NewArrayObject +#include "js/PropertyAndElement.h" // JS_SetElement, JS_SetProperty +#include "nsCocoaUtils.h" +#include "mozilla/MacStringHelpers.h" + +NS_IMPL_ISUPPORTS(nsMacSharingService, nsIMacSharingService) + +NSString* const remindersServiceName = @"com.apple.reminders.RemindersShareExtension"; + +// These are some undocumented constants also used by Safari +// to let us open the preferences window +NSString* const extensionPrefPanePath = @"/System/Library/PreferencePanes/Extensions.prefPane"; +const UInt32 openSharingSubpaneDescriptorType = 'ptru'; +NSString* const openSharingSubpaneActionKey = @"action"; +NSString* const openSharingSubpaneActionValue = @"revealExtensionPoint"; +NSString* const openSharingSubpaneProtocolKey = @"protocol"; +NSString* const openSharingSubpaneProtocolValue = @"com.apple.share-services"; + +// Expose the id so we can pass reference through to JS and back +@interface NSSharingService (ExposeName) +- (id)name; +@end + +// Filter providers that we do not want to expose to the user, because they are duplicates or do not +// work correctly within the context +static bool ShouldIgnoreProvider(NSString* aProviderName) { + return [aProviderName isEqualToString:@"com.apple.share.System.add-to-safari-reading-list"]; +} + +// Clean up the activity once the share is complete +@interface SharingServiceDelegate : NSObject <NSSharingServiceDelegate> { + NSUserActivity* mShareActivity; +} + +- (void)cleanup; + +@end + +@implementation SharingServiceDelegate + +- (id)initWithActivity:(NSUserActivity*)activity { + self = [super init]; + mShareActivity = [activity retain]; + return self; +} + +- (void)cleanup { + [mShareActivity resignCurrent]; + [mShareActivity invalidate]; + [mShareActivity release]; + mShareActivity = nil; +} + +- (void)sharingService:(NSSharingService*)sharingService didShareItems:(NSArray*)items { + [self cleanup]; +} + +- (void)sharingService:(NSSharingService*)service + didFailToShareItems:(NSArray*)items + error:(NSError*)error { + [self cleanup]; +} + +- (void)dealloc { + [mShareActivity release]; + [super dealloc]; +} + +@end + +static NSString* NSImageToBase64(const NSImage* aImage) { + CGImageRef cgRef = [aImage CGImageForProposedRect:nil context:nil hints:nil]; + NSBitmapImageRep* bitmapRep = [[NSBitmapImageRep alloc] initWithCGImage:cgRef]; + [bitmapRep setSize:[aImage size]]; + NSData* imageData = [bitmapRep representationUsingType:NSPNGFileType properties:@{}]; + NSString* base64Encoded = [imageData base64EncodedStringWithOptions:0]; + [bitmapRep release]; + return [NSString stringWithFormat:@"data:image/png;base64,%@", base64Encoded]; +} + +static void SetStrAttribute(JSContext* aCx, JS::Rooted<JSObject*>& aObj, const char* aKey, + NSString* aVal) { + nsAutoString strVal; + mozilla::CopyCocoaStringToXPCOMString(aVal, strVal); + JS::Rooted<JSString*> title(aCx, JS_NewUCStringCopyZ(aCx, strVal.get())); + JS::Rooted<JS::Value> attVal(aCx, JS::StringValue(title)); + JS_SetProperty(aCx, aObj, aKey, attVal); +} + +nsresult nsMacSharingService::GetSharingProviders(const nsAString& aPageUrl, JSContext* aCx, + JS::MutableHandle<JS::Value> aResult) { + NS_OBJC_BEGIN_TRY_BLOCK_RETURN; + + NSURL* url = nsCocoaUtils::ToNSURL(aPageUrl); + if (!url) { + // aPageUrl is not a valid URL. + return NS_ERROR_FAILURE; + } + + NSArray* sharingService = [NSSharingService sharingServicesForItems:@[ url ]]; + int32_t serviceCount = 0; + JS::Rooted<JSObject*> array(aCx, JS::NewArrayObject(aCx, 0)); + + for (NSSharingService* currentService in sharingService) { + if (ShouldIgnoreProvider([currentService name])) { + continue; + } + JS::Rooted<JSObject*> obj(aCx, JS_NewPlainObject(aCx)); + + SetStrAttribute(aCx, obj, "name", [currentService name]); + SetStrAttribute(aCx, obj, "menuItemTitle", currentService.menuItemTitle); + SetStrAttribute(aCx, obj, "image", NSImageToBase64(currentService.image)); + + JS::Rooted<JS::Value> element(aCx, JS::ObjectValue(*obj)); + JS_SetElement(aCx, array, serviceCount++, element); + } + + aResult.setObject(*array); + + return NS_OK; + NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE); +} + +NS_IMETHODIMP +nsMacSharingService::OpenSharingPreferences() { + NS_OBJC_BEGIN_TRY_BLOCK_RETURN; + + NSURL* prefPaneURL = [NSURL fileURLWithPath:extensionPrefPanePath isDirectory:YES]; + NSDictionary* args = @{ + openSharingSubpaneActionKey : openSharingSubpaneActionValue, + openSharingSubpaneProtocolKey : openSharingSubpaneProtocolValue + }; + NSData* data = [NSPropertyListSerialization dataWithPropertyList:args + format:NSPropertyListXMLFormat_v1_0 + options:0 + error:nil]; + NSAppleEventDescriptor* descriptor = + [[NSAppleEventDescriptor alloc] initWithDescriptorType:openSharingSubpaneDescriptorType + data:data]; + + [[NSWorkspace sharedWorkspace] openURLs:@[ prefPaneURL ] + withAppBundleIdentifier:nil + options:NSWorkspaceLaunchAsync + additionalEventParamDescriptor:descriptor + launchIdentifiers:NULL]; + + [descriptor release]; + + return NS_OK; + NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE); +} + +NS_IMETHODIMP +nsMacSharingService::ShareUrl(const nsAString& aServiceName, const nsAString& aPageUrl, + const nsAString& aPageTitle) { + NS_OBJC_BEGIN_TRY_BLOCK_RETURN; + + NSString* serviceName = nsCocoaUtils::ToNSString(aServiceName); + NSURL* pageUrl = nsCocoaUtils::ToNSURL(aPageUrl); + NSString* pageTitle = nsCocoaUtils::ToNSString(aPageTitle); + NSSharingService* service = [NSSharingService sharingServiceNamed:serviceName]; + + // Reminders fetch its data from an activity, not the share data + if ([[service name] isEqual:remindersServiceName]) { + NSUserActivity* shareActivity = + [[NSUserActivity alloc] initWithActivityType:NSUserActivityTypeBrowsingWeb]; + + if ([pageUrl.scheme hasPrefix:@"http"]) { + [shareActivity setWebpageURL:pageUrl]; + } + [shareActivity setEligibleForHandoff:NO]; + [shareActivity setTitle:pageTitle]; + [shareActivity becomeCurrent]; + + // Pass ownership of shareActivity to shareDelegate, which will release the + // activity once sharing has completed. + SharingServiceDelegate* shareDelegate = + [[SharingServiceDelegate alloc] initWithActivity:shareActivity]; + [shareActivity release]; + + [service setDelegate:shareDelegate]; + [shareDelegate release]; + } + + // Twitter likes the the title as an additional share item + NSArray* toShare = [[service name] isEqual:NSSharingServiceNamePostOnTwitter] + ? @[ pageUrl, pageTitle ] + : @[ pageUrl ]; + + [service setSubject:pageTitle]; + [service performWithItems:toShare]; + + return NS_OK; + + NS_OBJC_END_TRY_BLOCK_RETURN(NS_ERROR_FAILURE); +} |