summaryrefslogtreecommitdiffstats
path: root/dom/html/nsHTMLDocument.h
blob: 8eec4c0c4bb8b20fbe556e82b5106b01a61281f0 (plain)
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
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef nsHTMLDocument_h___
#define nsHTMLDocument_h___

#include "mozilla/Attributes.h"
#include "nsDocument.h"
#include "nsIHTMLDocument.h"
#include "nsIDOMHTMLDocument.h"
#include "nsIDOMHTMLCollection.h"
#include "nsIScriptElement.h"
#include "nsTArray.h"

#include "PLDHashTable.h"
#include "nsIHttpChannel.h"
#include "nsHTMLStyleSheet.h"

#include "nsICommandManager.h"
#include "mozilla/dom/HTMLSharedElement.h"

class nsIEditor;
class nsIURI;
class nsIDocShell;
class nsICachingChannel;
class nsIWyciwygChannel;
class nsILoadGroup;

namespace mozilla {
namespace dom {
class HTMLAllCollection;
} // namespace dom
} // namespace mozilla

class nsHTMLDocument : public nsDocument,
                       public nsIHTMLDocument,
                       public nsIDOMHTMLDocument
{
public:
  using nsDocument::SetDocumentURI;
  using nsDocument::GetPlugins;

  nsHTMLDocument();
  virtual nsresult Init() override;

  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsHTMLDocument, nsDocument)

  // nsIDocument
  virtual void Reset(nsIChannel* aChannel, nsILoadGroup* aLoadGroup) override;
  virtual void ResetToURI(nsIURI* aURI, nsILoadGroup* aLoadGroup,
                          nsIPrincipal* aPrincipal) override;

  virtual already_AddRefed<nsIPresShell> CreateShell(
      nsPresContext* aContext,
      nsViewManager* aViewManager,
      mozilla::StyleSetHandle aStyleSet) override;

  virtual nsresult StartDocumentLoad(const char* aCommand,
                                     nsIChannel* aChannel,
                                     nsILoadGroup* aLoadGroup,
                                     nsISupports* aContainer,
                                     nsIStreamListener **aDocListener,
                                     bool aReset = true,
                                     nsIContentSink* aSink = nullptr) override;
  virtual void StopDocumentLoad() override;

  virtual void BeginLoad() override;
  virtual void EndLoad() override;

  // nsIHTMLDocument
  virtual void SetCompatibilityMode(nsCompatibility aMode) override;

  virtual bool IsWriting() override
  {
    return mWriteLevel != uint32_t(0);
  }

  virtual nsContentList* GetForms() override;

  virtual nsContentList* GetFormControls() override;

  // nsIDOMDocument interface
  using nsDocument::CreateElement;
  using nsDocument::CreateElementNS;
  NS_FORWARD_NSIDOMDOCUMENT(nsDocument::)

  // And explicitly import the things from nsDocument that we just shadowed
  using nsDocument::GetImplementation;
  using nsDocument::GetTitle;
  using nsDocument::SetTitle;
  using nsDocument::GetLastStyleSheetSet;
  using nsDocument::MozSetImageElement;
  using nsDocument::GetMozFullScreenElement;

  // nsIDOMNode interface
  NS_FORWARD_NSIDOMNODE_TO_NSINODE

  // nsIDOMHTMLDocument interface
  NS_DECL_NSIDOMHTMLDOCUMENT

  mozilla::dom::HTMLAllCollection* All();

  nsISupports* ResolveName(const nsAString& aName, nsWrapperCache **aCache);

  virtual void AddedForm() override;
  virtual void RemovedForm() override;
  virtual int32_t GetNumFormsSynchronous() override;
  virtual void TearingDownEditor(nsIEditor *aEditor) override;
  virtual void SetIsXHTML(bool aXHTML) override
  {
    mType = (aXHTML ? eXHTML : eHTML);
  }
  virtual void SetDocWriteDisabled(bool aDisabled) override
  {
    mDisableDocWrite = aDisabled;
  }

  nsresult ChangeContentEditableCount(nsIContent *aElement, int32_t aChange) override;
  void DeferredContentEditableCountChange(nsIContent *aElement);

  virtual EditingState GetEditingState() override
  {
    return mEditingState;
  }

  virtual void DisableCookieAccess() override
  {
    mDisableCookieAccess = true;
  }

  class nsAutoEditingState {
  public:
    nsAutoEditingState(nsHTMLDocument* aDoc, EditingState aState)
      : mDoc(aDoc), mSavedState(aDoc->mEditingState)
    {
      aDoc->mEditingState = aState;
    }
    ~nsAutoEditingState() {
      mDoc->mEditingState = mSavedState;
    }
  private:
    nsHTMLDocument* mDoc;
    EditingState    mSavedState;
  };
  friend class nsAutoEditingState;

  void EndUpdate(nsUpdateType aUpdateType) override;

  virtual nsresult SetEditingState(EditingState aState) override;

  virtual nsresult Clone(mozilla::dom::NodeInfo *aNodeInfo, nsINode **aResult) const override;

  virtual void RemovedFromDocShell() override;

  using mozilla::dom::DocumentOrShadowRoot::GetElementById;

  virtual void DocAddSizeOfExcludingThis(nsWindowSizes* aWindowSizes) const override;
  // DocAddSizeOfIncludingThis is inherited from nsIDocument.

  virtual bool WillIgnoreCharsetOverride() override;

  // WebIDL API
  virtual JSObject* WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
    override;
  void SetDomain(const nsAString& aDomain, mozilla::ErrorResult& rv);
  void GetCookie(nsAString& aCookie, mozilla::ErrorResult& rv);
  void SetCookie(const nsAString& aCookie, mozilla::ErrorResult& rv);
  void NamedGetter(JSContext* cx, const nsAString& aName, bool& aFound,
                   JS::MutableHandle<JSObject*> aRetval,
                   mozilla::ErrorResult& rv);
  void GetSupportedNames(nsTArray<nsString>& aNames);
  using nsIDocument::GetBody;
  using nsIDocument::SetBody;
  mozilla::dom::HTMLSharedElement *GetHead() {
    return static_cast<mozilla::dom::HTMLSharedElement*>(GetHeadElement());
  }
  nsIHTMLCollection* Images();
  nsIHTMLCollection* Embeds();
  nsIHTMLCollection* Plugins();
  nsIHTMLCollection* Links();
  nsIHTMLCollection* Forms()
  {
    return nsHTMLDocument::GetForms();
  }
  nsIHTMLCollection* Scripts();
  already_AddRefed<nsContentList> GetElementsByName(const nsAString & aName)
  {
    return NS_GetFuncStringNodeList(this, MatchNameAttribute, nullptr,
                                    UseExistingNameString, aName);
  }
  already_AddRefed<nsIDocument> Open(JSContext* cx,
                                     const nsAString& aType,
                                     const nsAString& aReplace,
                                     mozilla::ErrorResult& rv);
  already_AddRefed<nsPIDOMWindowOuter>
  Open(JSContext* cx,
       const nsAString& aURL,
       const nsAString& aName,
       const nsAString& aFeatures,
       bool aReplace,
       mozilla::ErrorResult& rv);
  void Close(mozilla::ErrorResult& rv);
  void Write(JSContext* cx, const mozilla::dom::Sequence<nsString>& aText,
             mozilla::ErrorResult& rv);
  void Writeln(JSContext* cx, const mozilla::dom::Sequence<nsString>& aText,
               mozilla::ErrorResult& rv);
  void GetDesignMode(nsAString& aDesignMode,
                     nsIPrincipal& aSubjectPrincipal)
  {
    GetDesignMode(aDesignMode);
  }
  void SetDesignMode(const nsAString& aDesignMode,
                     nsIPrincipal& aSubjectPrincipal,
                     mozilla::ErrorResult& rv);
  void SetDesignMode(const nsAString& aDesignMode,
                     const mozilla::Maybe<nsIPrincipal*>& aSubjectPrincipal,
                     mozilla::ErrorResult& rv);
  bool ExecCommand(const nsAString& aCommandID, bool aDoShowUI,
                   const nsAString& aValue, mozilla::ErrorResult& rv);
  bool QueryCommandEnabled(const nsAString& aCommandID,
                           mozilla::ErrorResult& rv);
  bool QueryCommandIndeterm(const nsAString& aCommandID,
                            mozilla::ErrorResult& rv);
  bool QueryCommandState(const nsAString& aCommandID, mozilla::ErrorResult& rv);
  bool QueryCommandSupported(const nsAString& aCommandID);
  void QueryCommandValue(const nsAString& aCommandID, nsAString& aValue,
                         mozilla::ErrorResult& rv);
  // The XPCOM Get/SetFgColor work OK for us, since they never throw.
  // The XPCOM Get/SetLinkColor work OK for us, since they never throw.
  // The XPCOM Get/SetVLinkColor work OK for us, since they never throw.
  // The XPCOM Get/SetALinkColor work OK for us, since they never throw.
  // The XPCOM Get/SetBgColor work OK for us, since they never throw.
  nsIHTMLCollection* Anchors();
  nsIHTMLCollection* Applets();
  void Clear() const
  {
    // Deprecated
  }
  // The XPCOM CaptureEvents works fine for us.
  // The XPCOM ReleaseEvents works fine for us.
  // We're picking up GetLocation from Document
  already_AddRefed<mozilla::dom::Location> GetLocation() const
  {
    return nsIDocument::GetLocation();
  }

  virtual nsHTMLDocument* AsHTMLDocument() override { return this; }

protected:
  ~nsHTMLDocument();

  nsresult GetBodySize(int32_t* aWidth,
                       int32_t* aHeight);

  nsIContent *MatchId(nsIContent *aContent, const nsAString& aId);

  static bool MatchLinks(mozilla::dom::Element* aElement, int32_t aNamespaceID,
                         nsIAtom* aAtom, void* aData);
  static bool MatchAnchors(mozilla::dom::Element* aElement, int32_t aNamespaceID,
                           nsIAtom* aAtom, void* aData);
  static bool MatchNameAttribute(mozilla::dom::Element* aElement,
                                 int32_t aNamespaceID,
                                 nsIAtom* aAtom, void* aData);
  static void* UseExistingNameString(nsINode* aRootNode, const nsString* aName);

  static void DocumentWriteTerminationFunc(nsISupports *aRef);

  already_AddRefed<nsIURI> GetDomainURI();

  nsresult WriteCommon(JSContext *cx, const nsAString& aText,
                       bool aNewlineTerminate);
  // A version of WriteCommon used by WebIDL bindings
  void WriteCommon(JSContext *cx,
                   const mozilla::dom::Sequence<nsString>& aText,
                   bool aNewlineTerminate,
                   mozilla::ErrorResult& rv);

  nsresult CreateAndAddWyciwygChannel(void);
  nsresult RemoveWyciwygChannel(void);

  // This should *ONLY* be used in GetCookie/SetCookie.
  already_AddRefed<nsIChannel> CreateDummyChannelForCookies(nsIURI* aCodebaseURI);

  /**
   * Like IsEditingOn(), but will flush as needed first.
   */
  bool IsEditingOnAfterFlush();

  void *GenerateParserKey(void);

  RefPtr<nsContentList> mImages;
  RefPtr<nsContentList> mApplets;
  RefPtr<nsContentList> mEmbeds;
  RefPtr<nsContentList> mLinks;
  RefPtr<nsContentList> mAnchors;
  RefPtr<nsContentList> mScripts;
  RefPtr<nsContentList> mForms;
  RefPtr<nsContentList> mFormControls;

  RefPtr<mozilla::dom::HTMLAllCollection> mAll;

  /** # of forms in the document, synchronously set */
  int32_t mNumForms;

  static uint32_t gWyciwygSessionCnt;

  static void TryHintCharset(nsIContentViewer* aContentViewer,
                             int32_t& aCharsetSource,
                             nsACString& aCharset);
  void TryUserForcedCharset(nsIContentViewer* aCv,
                            nsIDocShell*  aDocShell,
                            int32_t& aCharsetSource,
                            nsACString& aCharset);
  static void TryCacheCharset(nsICachingChannel* aCachingChannel,
                                int32_t& aCharsetSource,
                                nsACString& aCharset);
  void TryParentCharset(nsIDocShell*  aDocShell,
                        int32_t& charsetSource, nsACString& aCharset);
  void TryTLD(int32_t& aCharsetSource, nsACString& aCharset);
  static void TryFallback(int32_t& aCharsetSource, nsACString& aCharset);

  // Override so we can munge the charset on our wyciwyg channel as needed.
  virtual void SetDocumentCharacterSet(const nsACString& aCharSetID) override;

  // Tracks if we are currently processing any document.write calls (either
  // implicit or explicit). Note that if a write call writes out something which
  // would block the parser, then mWriteLevel will be incorrect until the parser
  // finishes processing that script.
  uint32_t mWriteLevel;

  // Load flags of the document's channel
  uint32_t mLoadFlags;

  bool mTooDeepWriteRecursion;

  bool mDisableDocWrite;

  bool mWarnedWidthHeight;

  nsCOMPtr<nsIWyciwygChannel> mWyciwygChannel;

  /* Midas implementation */
  nsresult   GetMidasCommandManager(nsICommandManager** aCommandManager);

  nsCOMPtr<nsICommandManager> mMidasCommandManager;

  nsresult TurnEditingOff();
  nsresult EditingStateChanged();
  void MaybeEditingStateChanged();

  uint32_t mContentEditableCount;
  EditingState mEditingState;

  // When false, the .cookies property is completely disabled
  bool mDisableCookieAccess;

  /**
   * Temporary flag that is set in EndUpdate() to ignore
   * MaybeEditingStateChanged() script runners from a nested scope.
   */
  bool mPendingMaybeEditingStateChanged;
};

#define NS_HTML_DOCUMENT_INTERFACE_TABLE_BEGIN(_class)                        \
    NS_DOCUMENT_INTERFACE_TABLE_BEGIN(_class)                                 \
    NS_INTERFACE_TABLE_ENTRY(_class, nsIHTMLDocument)                         \
    NS_INTERFACE_TABLE_ENTRY(_class, nsIDOMHTMLDocument)

#endif /* nsHTMLDocument_h___ */