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/* -*- 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
#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:NSBitmapImageFileTypePNG
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::CopyNSStringToXPCOMString(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);
}