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
|
/*
* Copyright (C) 2006, 2007, 2008, 2009 Apple 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.
*/
#ifndef FrameLoaderClient_h
#define FrameLoaderClient_h
#include "FrameLoaderTypes.h"
#include "ScrollTypes.h"
#include <wtf/Forward.h>
#include <wtf/Vector.h>
typedef class _jobject* jobject;
#if PLATFORM(MAC) && !defined(__OBJC__)
class NSCachedURLResponse;
class NSView;
#endif
namespace WebCore {
class AuthenticationChallenge;
class CachedFrame;
class Color;
class DOMWrapperWorld;
class DocumentLoader;
class Element;
class FormState;
class Frame;
class FrameLoader;
class HistoryItem;
class HTMLAppletElement;
class HTMLFrameOwnerElement;
class HTMLPlugInElement;
class IntSize;
class KURL;
class NavigationAction;
class PluginView;
class PolicyChecker;
class ResourceError;
class ResourceHandle;
class ResourceLoader;
class ResourceRequest;
class ResourceResponse;
class ScriptString;
class SecurityOrigin;
class SharedBuffer;
class SubstituteData;
class String;
class Widget;
typedef void (PolicyChecker::*FramePolicyFunction)(PolicyAction);
class FrameLoaderClient {
public:
// An inline function cannot be the first non-abstract virtual function declared
// in the class as it results in the vtable being generated as a weak symbol.
// This hurts performance (in Mac OS X at least, when loadig frameworks), so we
// don't want to do it in WebKit.
virtual bool hasHTMLView() const;
virtual ~FrameLoaderClient() { }
virtual void frameLoaderDestroyed() = 0;
virtual bool hasWebView() const = 0; // mainly for assertions
virtual void makeRepresentation(DocumentLoader*) = 0;
virtual void forceLayout() = 0;
virtual void forceLayoutForNonHTML() = 0;
virtual void setCopiesOnScroll() = 0;
virtual void detachedFromParent2() = 0;
virtual void detachedFromParent3() = 0;
virtual void assignIdentifierToInitialRequest(unsigned long identifier, DocumentLoader*, const ResourceRequest&) = 0;
virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long identifier, ResourceRequest&, const ResourceResponse& redirectResponse) = 0;
virtual bool shouldUseCredentialStorage(DocumentLoader*, unsigned long identifier) = 0;
virtual void dispatchDidReceiveAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
virtual void dispatchDidCancelAuthenticationChallenge(DocumentLoader*, unsigned long identifier, const AuthenticationChallenge&) = 0;
virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&) = 0;
virtual void dispatchDidReceiveContentLength(DocumentLoader*, unsigned long identifier, int lengthReceived) = 0;
virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long identifier) = 0;
virtual void dispatchDidFailLoading(DocumentLoader*, unsigned long identifier, const ResourceError&) = 0;
virtual bool dispatchDidLoadResourceFromMemoryCache(DocumentLoader*, const ResourceRequest&, const ResourceResponse&, int length) = 0;
virtual void dispatchDidLoadResourceByXMLHttpRequest(unsigned long identifier, const ScriptString&) = 0;
virtual void dispatchDidHandleOnloadEvents() = 0;
virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() = 0;
virtual void dispatchDidCancelClientRedirect() = 0;
virtual void dispatchWillPerformClientRedirect(const KURL&, double interval, double fireDate) = 0;
virtual void dispatchDidNavigateWithinPage() { }
virtual void dispatchDidChangeLocationWithinPage() = 0;
virtual void dispatchDidPushStateWithinPage() = 0;
virtual void dispatchDidReplaceStateWithinPage() = 0;
virtual void dispatchDidPopStateWithinPage() = 0;
virtual void dispatchWillClose() = 0;
virtual void dispatchDidReceiveIcon() = 0;
virtual void dispatchDidStartProvisionalLoad() = 0;
virtual void dispatchDidReceiveTitle(const String& title) = 0;
virtual void dispatchDidCommitLoad() = 0;
virtual void dispatchDidFailProvisionalLoad(const ResourceError&) = 0;
virtual void dispatchDidFailLoad(const ResourceError&) = 0;
virtual void dispatchDidFinishDocumentLoad() = 0;
virtual void dispatchDidFinishLoad() = 0;
virtual void dispatchDidFirstLayout() = 0;
virtual void dispatchDidFirstVisuallyNonEmptyLayout() = 0;
virtual Frame* dispatchCreatePage() = 0;
virtual void dispatchShow() = 0;
virtual void dispatchDecidePolicyForMIMEType(FramePolicyFunction, const String& MIMEType, const ResourceRequest&) = 0;
virtual void dispatchDecidePolicyForNewWindowAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>, const String& frameName) = 0;
virtual void dispatchDecidePolicyForNavigationAction(FramePolicyFunction, const NavigationAction&, const ResourceRequest&, PassRefPtr<FormState>) = 0;
virtual void cancelPolicyCheck() = 0;
virtual void dispatchUnableToImplementPolicy(const ResourceError&) = 0;
virtual void dispatchWillSubmitForm(FramePolicyFunction, PassRefPtr<FormState>) = 0;
virtual void dispatchDidLoadMainResource(DocumentLoader*) = 0;
virtual void revertToProvisionalState(DocumentLoader*) = 0;
virtual void setMainDocumentError(DocumentLoader*, const ResourceError&) = 0;
// Maybe these should go into a ProgressTrackerClient some day
virtual void willChangeEstimatedProgress() { }
virtual void didChangeEstimatedProgress() { }
virtual void postProgressStartedNotification() = 0;
virtual void postProgressEstimateChangedNotification() = 0;
virtual void postProgressFinishedNotification() = 0;
virtual void setMainFrameDocumentReady(bool) = 0;
virtual void startDownload(const ResourceRequest&) = 0;
virtual void willChangeTitle(DocumentLoader*) = 0;
virtual void didChangeTitle(DocumentLoader*) = 0;
virtual void committedLoad(DocumentLoader*, const char*, int) = 0;
virtual void finishedLoading(DocumentLoader*) = 0;
virtual void updateGlobalHistory() = 0;
virtual void updateGlobalHistoryRedirectLinks() = 0;
virtual bool shouldGoToHistoryItem(HistoryItem*) const = 0;
virtual void dispatchDidAddBackForwardItem(HistoryItem*) const = 0;
virtual void dispatchDidRemoveBackForwardItem(HistoryItem*) const = 0;
virtual void dispatchDidChangeBackForwardIndex() const = 0;
// This frame has displayed inactive content (such as an image) from an
// insecure source. Inactive content cannot spread to other frames.
virtual void didDisplayInsecureContent() = 0;
// The indicated security origin has run active content (such as a
// script) from an insecure source. Note that the insecure content can
// spread to other frames in the same origin.
virtual void didRunInsecureContent(SecurityOrigin*) = 0;
virtual ResourceError cancelledError(const ResourceRequest&) = 0;
virtual ResourceError blockedError(const ResourceRequest&) = 0;
virtual ResourceError cannotShowURLError(const ResourceRequest&) = 0;
virtual ResourceError interruptForPolicyChangeError(const ResourceRequest&) = 0;
virtual ResourceError cannotShowMIMETypeError(const ResourceResponse&) = 0;
virtual ResourceError fileDoesNotExistError(const ResourceResponse&) = 0;
virtual ResourceError pluginWillHandleLoadError(const ResourceResponse&) = 0;
virtual bool shouldFallBack(const ResourceError&) = 0;
virtual bool canHandleRequest(const ResourceRequest&) const = 0;
virtual bool canShowMIMEType(const String& MIMEType) const = 0;
virtual bool representationExistsForURLScheme(const String& URLScheme) const = 0;
virtual String generatedMIMETypeForURLScheme(const String& URLScheme) const = 0;
virtual void frameLoadCompleted() = 0;
virtual void saveViewStateToItem(HistoryItem*) = 0;
virtual void restoreViewState() = 0;
virtual void provisionalLoadStarted() = 0;
virtual void didFinishLoad() = 0;
virtual void prepareForDataSourceReplacement() = 0;
virtual PassRefPtr<DocumentLoader> createDocumentLoader(const ResourceRequest&, const SubstituteData&) = 0;
virtual void setTitle(const String& title, const KURL&) = 0;
virtual String userAgent(const KURL&) = 0;
virtual void savePlatformDataToCachedFrame(CachedFrame*) = 0;
virtual void transitionToCommittedFromCachedFrame(CachedFrame*) = 0;
virtual void transitionToCommittedForNewPage() = 0;
virtual bool canCachePage() const = 0;
virtual void download(ResourceHandle*, const ResourceRequest&, const ResourceRequest&, const ResourceResponse&) = 0;
virtual PassRefPtr<Frame> createFrame(const KURL& url, const String& name, HTMLFrameOwnerElement* ownerElement,
const String& referrer, bool allowsScrolling, int marginWidth, int marginHeight) = 0;
virtual void didTransferChildFrameToNewDocument() = 0;
virtual PassRefPtr<Widget> createPlugin(const IntSize&, HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually) = 0;
virtual void redirectDataToPlugin(Widget* pluginWidget) = 0;
virtual PassRefPtr<Widget> createJavaAppletWidget(const IntSize&, HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0;
virtual void dispatchDidFailToStartPlugin(const PluginView*) const { }
virtual ObjectContentType objectContentType(const KURL& url, const String& mimeType) = 0;
virtual String overrideMediaType() const = 0;
virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*) = 0;
virtual void documentElementAvailable() = 0;
virtual void didPerformFirstNavigation() const = 0; // "Navigation" here means a transition from one page to another that ends up in the back/forward list.
#if USE(V8)
virtual void didCreateScriptContextForFrame() = 0;
virtual void didDestroyScriptContextForFrame() = 0;
virtual void didCreateIsolatedScriptContext() = 0;
#endif
virtual void registerForIconNotification(bool listen = true) = 0;
#if PLATFORM(MAC)
#if ENABLE(MAC_JAVA_BRIDGE)
virtual jobject javaApplet(NSView*) { return 0; }
#endif
virtual NSCachedURLResponse* willCacheResponse(DocumentLoader*, unsigned long identifier, NSCachedURLResponse*) const = 0;
#endif
#if USE(CFNETWORK)
virtual bool shouldCacheResponse(DocumentLoader*, unsigned long identifier, const ResourceResponse&, const unsigned char* data, unsigned long long length) = 0;
#endif
virtual bool shouldUsePluginDocument(const String& /*mimeType*/) const { return false; }
virtual bool shouldLoadMediaElementURL(const KURL&) const { return true; }
virtual void didChangeScrollOffset() { }
virtual bool allowJavaScript(bool enabledPerSettings) { return enabledPerSettings; }
virtual bool allowPlugins(bool enabledPerSettings) { return enabledPerSettings; }
virtual bool allowImages(bool enabledPerSettings) { return enabledPerSettings; }
// This callback notifies the client that the frame was about to run
// JavaScript but did not because allowJavaScript returned false. We
// have a separate callback here because there are a number of places
// that need to know if JavaScript is enabled but are not necessarily
// preparing to execute script.
virtual void didNotAllowScript() { }
// This callback is similar, but for plugins.
virtual void didNotAllowPlugins() { }
};
} // namespace WebCore
#endif // FrameLoaderClient_h
|
