1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* -*- 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: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);
}
|
