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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
|
/*
* Copyright (C) 2005, 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "WebPluginController.h"
#import "DOMNodeInternal.h"
#import "WebDataSourceInternal.h"
#import "WebFrameInternal.h"
#import "WebFrameView.h"
#import "WebHTMLViewPrivate.h"
#import "WebKitErrorsPrivate.h"
#import "WebKitLogging.h"
#import "WebNSURLExtras.h"
#import "WebNSViewExtras.h"
#import "WebPlugin.h"
#import "WebPluginContainer.h"
#import "WebPluginContainerCheck.h"
#import "WebPluginPackage.h"
#import "WebPluginPrivate.h"
#import "WebPluginViewFactory.h"
#import "WebUIDelegate.h"
#import "WebViewInternal.h"
#import <Foundation/NSURLRequest.h>
#import <WebCore/DocumentLoader.h>
#import <WebCore/Frame.h>
#import <WebCore/FrameLoader.h>
#import <WebCore/HTMLMediaElement.h>
#import <WebCore/HTMLNames.h>
#import <WebCore/MediaPlayerProxy.h>
#import <WebCore/PlatformString.h>
#import <WebCore/ResourceRequest.h>
#import <WebCore/ScriptController.h>
#import <WebCore/WebCoreURLResponse.h>
#import <runtime/JSLock.h>
using namespace WebCore;
using namespace HTMLNames;
@interface NSView (PluginSecrets)
- (void)setContainingWindow:(NSWindow *)w;
@end
// For compatibility only.
@interface NSObject (OldPluginAPI)
+ (NSView *)pluginViewWithArguments:(NSDictionary *)arguments;
@end
@interface NSView (OldPluginAPI)
- (void)pluginInitialize;
- (void)pluginStart;
- (void)pluginStop;
- (void)pluginDestroy;
@end
static NSMutableSet *pluginViews = nil;
@implementation WebPluginController
+ (NSView *)plugInViewWithArguments:(NSDictionary *)arguments fromPluginPackage:(WebPluginPackage *)pluginPackage
{
[pluginPackage load];
Class viewFactory = [pluginPackage viewFactory];
NSView *view = nil;
if ([viewFactory respondsToSelector:@selector(plugInViewWithArguments:)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
view = [viewFactory plugInViewWithArguments:arguments];
} else if ([viewFactory respondsToSelector:@selector(pluginViewWithArguments:)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
view = [viewFactory pluginViewWithArguments:arguments];
}
if (view == nil) {
return nil;
}
if (pluginViews == nil) {
pluginViews = [[NSMutableSet alloc] init];
}
[pluginViews addObject:view];
return view;
}
+ (BOOL)isPlugInView:(NSView *)view
{
return [pluginViews containsObject:view];
}
- (id)initWithDocumentView:(NSView *)view
{
[super init];
_documentView = view;
_views = [[NSMutableArray alloc] init];
_checksInProgress = (NSMutableSet *)CFMakeCollectable(CFSetCreateMutable(NULL, 0, NULL));
return self;
}
- (void)setDataSource:(WebDataSource *)dataSource
{
_dataSource = dataSource;
}
- (void)dealloc
{
[_views release];
[_checksInProgress release];
[super dealloc];
}
- (void)stopOnePlugin:(NSView *)view
{
if ([view respondsToSelector:@selector(webPlugInStop)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view webPlugInStop];
} else if ([view respondsToSelector:@selector(pluginStop)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view pluginStop];
}
}
- (void)destroyOnePlugin:(NSView *)view
{
if ([view respondsToSelector:@selector(webPlugInDestroy)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view webPlugInDestroy];
} else if ([view respondsToSelector:@selector(pluginDestroy)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view pluginDestroy];
}
}
- (void)startAllPlugins
{
if (_started)
return;
if ([_views count] > 0)
LOG(Plugins, "starting WebKit plugins : %@", [_views description]);
int i, count = [_views count];
for (i = 0; i < count; i++) {
id aView = [_views objectAtIndex:i];
if ([aView respondsToSelector:@selector(webPlugInStart)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[aView webPlugInStart];
} else if ([aView respondsToSelector:@selector(pluginStart)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[aView pluginStart];
}
}
_started = YES;
}
- (void)stopAllPlugins
{
if (!_started)
return;
if ([_views count] > 0) {
LOG(Plugins, "stopping WebKit plugins: %@", [_views description]);
}
int i, count = [_views count];
for (i = 0; i < count; i++)
[self stopOnePlugin:[_views objectAtIndex:i]];
_started = NO;
}
- (void)addPlugin:(NSView *)view
{
if (!_documentView) {
LOG_ERROR("can't add a plug-in to a defunct WebPluginController");
return;
}
if (![_views containsObject:view]) {
[_views addObject:view];
[[_documentView _webView] addPluginInstanceView:view];
BOOL oldDefersCallbacks = [[self webView] defersCallbacks];
if (!oldDefersCallbacks)
[[self webView] setDefersCallbacks:YES];
LOG(Plugins, "initializing plug-in %@", view);
if ([view respondsToSelector:@selector(webPlugInInitialize)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view webPlugInInitialize];
} else if ([view respondsToSelector:@selector(pluginInitialize)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view pluginInitialize];
}
if (!oldDefersCallbacks)
[[self webView] setDefersCallbacks:NO];
if (_started) {
LOG(Plugins, "starting plug-in %@", view);
if ([view respondsToSelector:@selector(webPlugInStart)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view webPlugInStart];
} else if ([view respondsToSelector:@selector(pluginStart)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view pluginStart];
}
if ([view respondsToSelector:@selector(setContainingWindow:)]) {
JSC::JSLock::DropAllLocks dropAllLocks(JSC::SilenceAssertionsOnly);
[view setContainingWindow:[_documentView window]];
}
}
}
}
- (void)destroyPlugin:(NSView *)view
{
if ([_views containsObject:view]) {
if (_started)
[self stopOnePlugin:view];
[self destroyOnePlugin:view];
#if ENABLE(NETSCAPE_PLUGIN_API)
if (Frame* frame = core([self webFrame]))
frame->script()->cleanupScriptObjectsForPlugin(self);
#endif
[pluginViews removeObject:view];
[[_documentView _webView] removePluginInstanceView:view];
[_views removeObject:view];
}
}
- (void)_webPluginContainerCancelCheckIfAllowedToLoadRequest:(id)checkIdentifier
{
[checkIdentifier cancel];
[_checksInProgress removeObject:checkIdentifier];
}
static void cancelOutstandingCheck(const void *item, void *context)
{
[(id)item cancel];
}
- (void)_cancelOutstandingChecks
{
if (_checksInProgress) {
CFSetApplyFunction((CFSetRef)_checksInProgress, cancelOutstandingCheck, NULL);
[_checksInProgress release];
_checksInProgress = nil;
}
}
- (void)destroyAllPlugins
{
[self stopAllPlugins];
if ([_views count] > 0) {
LOG(Plugins, "destroying WebKit plugins: %@", [_views description]);
}
[self _cancelOutstandingChecks];
int i, count = [_views count];
for (i = 0; i < count; i++) {
id aView = [_views objectAtIndex:i];
[self destroyOnePlugin:aView];
#if ENABLE(NETSCAPE_PLUGIN_API)
if (Frame* frame = core([self webFrame]))
frame->script()->cleanupScriptObjectsForPlugin(self);
#endif
[pluginViews removeObject:aView];
[[_documentView _webView] removePluginInstanceView:aView];
}
[_views makeObjectsPerformSelector:@selector(removeFromSuperviewWithoutNeedingDisplay)];
[_views release];
_views = nil;
_documentView = nil;
}
- (id)_webPluginContainerCheckIfAllowedToLoadRequest:(NSURLRequest *)request inFrame:(NSString *)target resultObject:(id)obj selector:(SEL)selector
{
WebPluginContainerCheck *check = [WebPluginContainerCheck checkWithRequest:request target:target resultObject:obj selector:selector controller:self contextInfo:nil];
[_checksInProgress addObject:check];
[check start];
return check;
}
- (void)webPlugInContainerLoadRequest:(NSURLRequest *)request inFrame:(NSString *)target
{
if (!request) {
LOG_ERROR("nil URL passed");
return;
}
if (!_documentView) {
LOG_ERROR("could not load URL %@ because plug-in has already been destroyed", request);
return;
}
WebFrame *frame = [_dataSource webFrame];
if (!frame) {
LOG_ERROR("could not load URL %@ because plug-in has already been stopped", request);
return;
}
if (!target) {
target = @"_top";
}
NSString *JSString = [[request URL] _webkit_scriptIfJavaScriptURL];
if (JSString) {
if ([frame findFrameNamed:target] != frame) {
LOG_ERROR("JavaScript requests can only be made on the frame that contains the plug-in");
return;
}
[frame _stringByEvaluatingJavaScriptFromString:JSString];
} else {
if (!request) {
LOG_ERROR("could not load URL %@", [request URL]);
return;
}
core(frame)->loader()->load(request, target, false);
}
}
// For compatibility only.
- (void)showURL:(NSURL *)URL inFrame:(NSString *)target
{
[self webPlugInContainerLoadRequest:[NSURLRequest requestWithURL:URL] inFrame:target];
}
- (void)webPlugInContainerShowStatus:(NSString *)message
{
if (!message) {
message = @"";
}
if (!_documentView) {
LOG_ERROR("could not show status message (%@) because plug-in has already been destroyed", message);
return;
}
WebView *v = [_dataSource _webView];
[[v _UIDelegateForwarder] webView:v setStatusText:message];
}
// For compatibility only.
- (void)showStatus:(NSString *)message
{
[self webPlugInContainerShowStatus:message];
}
- (NSColor *)webPlugInContainerSelectionColor
{
bool primary = true;
if (Frame* frame = core([self webFrame]))
primary = frame->selection()->isFocusedAndActive();
return primary ? [NSColor selectedTextBackgroundColor] : [NSColor secondarySelectedControlColor];
}
// For compatibility only.
- (NSColor *)selectionColor
{
return [self webPlugInContainerSelectionColor];
}
- (WebFrame *)webFrame
{
return [_dataSource webFrame];
}
- (WebView *)webView
{
return [[self webFrame] webView];
}
- (NSString *)URLPolicyCheckReferrer
{
NSURL *responseURL = [[[[self webFrame] _dataSource] response] URL];
ASSERT(responseURL);
return [responseURL _web_originalDataAsString];
}
- (void)pluginView:(NSView *)pluginView receivedResponse:(NSURLResponse *)response
{
if ([pluginView respondsToSelector:@selector(webPlugInMainResourceDidReceiveResponse:)])
[pluginView webPlugInMainResourceDidReceiveResponse:response];
else {
// Cancel the load since this plug-in does its own loading.
// FIXME: See <rdar://problem/4258008> for a problem with this.
NSError *error = [[NSError alloc] _initWithPluginErrorCode:WebKitErrorPlugInWillHandleLoad
contentURL:[response URL]
pluginPageURL:nil
pluginName:nil // FIXME: Get this from somewhere
MIMEType:[response MIMEType]];
[_dataSource _documentLoader]->cancelMainResourceLoad(error);
[error release];
}
}
- (void)pluginView:(NSView *)pluginView receivedData:(NSData *)data
{
if ([pluginView respondsToSelector:@selector(webPlugInMainResourceDidReceiveData:)])
[pluginView webPlugInMainResourceDidReceiveData:data];
}
- (void)pluginView:(NSView *)pluginView receivedError:(NSError *)error
{
if ([pluginView respondsToSelector:@selector(webPlugInMainResourceDidFailWithError:)])
[pluginView webPlugInMainResourceDidFailWithError:error];
}
- (void)pluginViewFinishedLoading:(NSView *)pluginView
{
if ([pluginView respondsToSelector:@selector(webPlugInMainResourceDidFinishLoading)])
[pluginView webPlugInMainResourceDidFinishLoading];
}
#if ENABLE(PLUGIN_PROXY_FOR_VIDEO)
static WebCore::HTMLMediaElement* mediaProxyClient(DOMElement* element)
{
if (!element) {
LOG_ERROR("nil element passed");
return nil;
}
Element* node = core(element);
if (!node || (!node->hasTagName(HTMLNames::videoTag) && !node->hasTagName(HTMLNames::audioTag))) {
LOG_ERROR("invalid media element passed");
return nil;
}
return static_cast<WebCore::HTMLMediaElement*>(node);
}
- (void)_webPluginContainerSetMediaPlayerProxy:(WebMediaPlayerProxy *)proxy forElement:(DOMElement *)element
{
WebCore::HTMLMediaElement* client = mediaProxyClient(element);
if (client)
client->setMediaPlayerProxy(proxy);
}
- (void)_webPluginContainerPostMediaPlayerNotification:(int)notification forElement:(DOMElement *)element
{
WebCore::HTMLMediaElement* client = mediaProxyClient(element);
if (client)
client->deliverNotification((MediaPlayerProxyNotificationType)notification);
}
#endif
@end
|