docshell/shistory/public/nsISHEntry.idl

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 /**
michael@0 7 * The interface to nsISHentry. Each document or subframe in
michael@0 8 * Session History will have a nsISHEntry associated with it which will
michael@0 9 * hold all information required to recreate the document from history
michael@0 10 *
michael@0 11 */
michael@0 12
michael@0 13 #include "nsISupports.idl"
michael@0 14
michael@0 15 interface nsILayoutHistoryState;
michael@0 16 interface nsIContentViewer;
michael@0 17 interface nsIURI;
michael@0 18 interface nsIInputStream;
michael@0 19 interface nsIDocShellTreeItem;
michael@0 20 interface nsISupportsArray;
michael@0 21 interface nsIStructuredCloneContainer;
michael@0 22 interface nsIBFCacheEntry;
michael@0 23
michael@0 24 %{C++
michael@0 25 struct nsIntRect;
michael@0 26 class nsDocShellEditorData;
michael@0 27 class nsSHEntryShared;
michael@0 28 %}
michael@0 29 [ref] native nsIntRect(nsIntRect);
michael@0 30 [ptr] native nsDocShellEditorDataPtr(nsDocShellEditorData);
michael@0 31 [ptr] native nsSHEntryShared(nsSHEntryShared);
michael@0 32
michael@0 33 [scriptable, uuid(9eed7e92-1121-46f2-95e5-2f5c0dca46f0)]
michael@0 34 interface nsISHEntry : nsISupports
michael@0 35 {
michael@0 36 /**
michael@0 37 * A readonly property that returns the URI
michael@0 38 * of the current entry. The object returned is
michael@0 39 * of type nsIURI
michael@0 40 */
michael@0 41 readonly attribute nsIURI URI;
michael@0 42
michael@0 43 /**
michael@0 44 * A readonly property that returns the title
michael@0 45 * of the current entry. The object returned
michael@0 46 * is a encoded string
michael@0 47 */
michael@0 48 readonly attribute wstring title;
michael@0 49
michael@0 50 /**
michael@0 51 * A readonly property that returns a boolean
michael@0 52 * flag which indicates if the entry was created as a
michael@0 53 * result of a subframe navigation. This flag will be
michael@0 54 * 'false' when a frameset page is visited for
michael@0 55 * the first time. This flag will be 'true' for all
michael@0 56 * history entries created as a result of a subframe
michael@0 57 * navigation.
michael@0 58 */
michael@0 59 readonly attribute boolean isSubFrame;
michael@0 60
michael@0 61 /** URI for the document */
michael@0 62 void setURI(in nsIURI aURI);
michael@0 63
michael@0 64 /** Referrer URI */
michael@0 65 attribute nsIURI referrerURI;
michael@0 66
michael@0 67 /** Content viewer, for fast restoration of presentation */
michael@0 68 attribute nsIContentViewer contentViewer;
michael@0 69
michael@0 70 /** Whether the content viewer is marked "sticky" */
michael@0 71 attribute boolean sticky;
michael@0 72
michael@0 73 /** Saved state of the global window object */
michael@0 74 attribute nsISupports windowState;
michael@0 75
michael@0 76 /**
michael@0 77 * Saved position and dimensions of the content viewer; we must adjust the
michael@0 78 * root view's widget accordingly if this has changed when the presentation
michael@0 79 * is restored.
michael@0 80 */
michael@0 81 [noscript] void getViewerBounds(in nsIntRect bounds);
michael@0 82 [noscript] void setViewerBounds([const] in nsIntRect bounds);
michael@0 83
michael@0 84 /**
michael@0 85 * Saved child docshells corresponding to contentViewer. The child shells
michael@0 86 * are restored as children of the parent docshell, in this order, when the
michael@0 87 * parent docshell restores a saved presentation.
michael@0 88 */
michael@0 89
michael@0 90 /** Append a child shell to the end of our list. */
michael@0 91 void addChildShell(in nsIDocShellTreeItem shell);
michael@0 92
michael@0 93 /**
michael@0 94 * Get the child shell at |index|; returns null if |index| is out of bounds.
michael@0 95 */
michael@0 96 nsIDocShellTreeItem childShellAt(in long index);
michael@0 97
michael@0 98 /**
michael@0 99 * Clear the child shell list.
michael@0 100 */
michael@0 101 void clearChildShells();
michael@0 102
michael@0 103 /** Saved refresh URI list for the content viewer */
michael@0 104 attribute nsISupportsArray refreshURIList;
michael@0 105
michael@0 106 /**
michael@0 107 * Ensure that the cached presentation members are self-consistent.
michael@0 108 * If either |contentViewer| or |windowState| are null, then all of the
michael@0 109 * following members are cleared/reset:
michael@0 110 * contentViewer, sticky, windowState, viewerBounds, childShells,
michael@0 111 * refreshURIList.
michael@0 112 */
michael@0 113 void syncPresentationState();
michael@0 114
michael@0 115 /** Title for the document */
michael@0 116 void setTitle(in AString aTitle);
michael@0 117
michael@0 118 /** Post Data for the document */
michael@0 119 attribute nsIInputStream postData;
michael@0 120
michael@0 121 /** LayoutHistoryState for scroll position and form values */
michael@0 122 attribute nsILayoutHistoryState layoutHistoryState;
michael@0 123
michael@0 124 /** parent of this entry */
michael@0 125 attribute nsISHEntry parent;
michael@0 126
michael@0 127 /**
michael@0 128 * The loadType for this entry. This is typically loadHistory except
michael@0 129 * when reload is pressed, it has the appropriate reload flag
michael@0 130 */
michael@0 131 attribute unsigned long loadType;
michael@0 132
michael@0 133 /**
michael@0 134 * An ID to help identify this entry from others during
michael@0 135 * subframe navigation
michael@0 136 */
michael@0 137 attribute unsigned long ID;
michael@0 138
michael@0 139 /** attribute to set and get the cache key for the entry */
michael@0 140 attribute nsISupports cacheKey;
michael@0 141
michael@0 142 /** attribute to indicate whether layoutHistoryState should be saved */
michael@0 143 attribute boolean saveLayoutStateFlag;
michael@0 144
michael@0 145 /** attribute to indicate whether the page is already expired in cache */
michael@0 146 attribute boolean expirationStatus;
michael@0 147
michael@0 148 /**
michael@0 149 * attribute to indicate the content-type of the document that this
michael@0 150 * is a session history entry for
michael@0 151 */
michael@0 152 attribute ACString contentType;
michael@0 153
michael@0 154 /**
michael@0 155 * If we created this SHEntry via history.pushState or modified it via
michael@0 156 * history.replaceState, and if we changed the SHEntry's URI via the
michael@0 157 * push/replaceState call, and if the SHEntry's new URI differs from its
michael@0 158 * old URI by more than just the hash, then we set this field to true.
michael@0 159 *
michael@0 160 * Additionally, if this SHEntry was created by calling pushState from a
michael@0 161 * SHEntry whose URI was modified, this SHEntry's URIWasModified field is
michael@0 162 * true.
michael@0 163 *
michael@0 164 */
michael@0 165 attribute boolean URIWasModified;
michael@0 166
michael@0 167 /** Set/Get scrollers' positon in anchored pages */
michael@0 168 void setScrollPosition(in long x, in long y);
michael@0 169 void getScrollPosition(out long x, out long y);
michael@0 170
michael@0 171 /** Additional ways to create an entry */
michael@0 172 [noscript] void create(in nsIURI URI, in AString title,
michael@0 173 in nsIInputStream inputStream,
michael@0 174 in nsILayoutHistoryState layoutHistoryState,
michael@0 175 in nsISupports cacheKey, in ACString contentType,
michael@0 176 in nsISupports owner,
michael@0 177 in unsigned long long docshellID,
michael@0 178 in boolean dynamicCreation);
michael@0 179
michael@0 180 nsISHEntry clone();
michael@0 181
michael@0 182 /** Attribute that indicates if this entry is for a subframe navigation */
michael@0 183 void setIsSubFrame(in boolean aFlag);
michael@0 184
michael@0 185 /** Return any content viewer present in or below this node in the
michael@0 186 nsSHEntry tree. This will differ from contentViewer in the case
michael@0 187 where a child nsSHEntry has the content viewer for this tree. */
michael@0 188 nsIContentViewer getAnyContentViewer(out nsISHEntry ownerEntry);
michael@0 189
michael@0 190 /**
michael@0 191 * Get the owner, if any, that was associated with the channel
michael@0 192 * that the document that was loaded to create this history entry
michael@0 193 * came from.
michael@0 194 */
michael@0 195 attribute nsISupports owner;
michael@0 196
michael@0 197 /**
michael@0 198 * Get/set data associated with this history state via a pushState() call,
michael@0 199 * serialized using structured clone.
michael@0 200 **/
michael@0 201 attribute nsIStructuredCloneContainer stateData;
michael@0 202
michael@0 203 /**
michael@0 204 * Gets the owning pointer to the editor data assosicated with
michael@0 205 * this shistory entry. This forgets its pointer, so free it when
michael@0 206 * you're done.
michael@0 207 */
michael@0 208 [noscript, notxpcom] nsDocShellEditorDataPtr forgetEditorData();
michael@0 209
michael@0 210 /**
michael@0 211 * Sets the owning pointer to the editor data assosicated with
michael@0 212 * this shistory entry. Unless forgetEditorData() is called, this
michael@0 213 * shentry will destroy the editor data when it's destroyed.
michael@0 214 */
michael@0 215 [noscript, notxpcom] void setEditorData(in nsDocShellEditorDataPtr aData);
michael@0 216
michael@0 217 /** Returns true if this shistory entry is storing a detached editor. */
michael@0 218 [noscript, notxpcom] boolean hasDetachedEditor();
michael@0 219
michael@0 220 /**
michael@0 221 * Returns true if the related docshell was added because of
michael@0 222 * dynamic addition of an iframe/frame.
michael@0 223 */
michael@0 224 boolean isDynamicallyAdded();
michael@0 225
michael@0 226 /**
michael@0 227 * Returns true if any of the child entries returns true
michael@0 228 * when isDynamicallyAdded is called on it.
michael@0 229 */
michael@0 230 boolean hasDynamicallyAddedChild();
michael@0 231
michael@0 232 /**
michael@0 233 * The history ID of the docshell.
michael@0 234 */
michael@0 235 attribute unsigned long long docshellID;
michael@0 236
michael@0 237 readonly attribute nsIBFCacheEntry BFCacheEntry;
michael@0 238
michael@0 239 /**
michael@0 240 * Does this SHEntry point to the given BFCache entry? If so, evicting
michael@0 241 * the BFCache entry will evict the SHEntry, since the two entries
michael@0 242 * correspond to the same document.
michael@0 243 */
michael@0 244 [notxpcom, noscript]
michael@0 245 boolean hasBFCacheEntry(in nsIBFCacheEntry aEntry);
michael@0 246
michael@0 247 /**
michael@0 248 * Adopt aEntry's BFCacheEntry, so now both this and aEntry point to
michael@0 249 * aEntry's BFCacheEntry.
michael@0 250 */
michael@0 251 void adoptBFCacheEntry(in nsISHEntry aEntry);
michael@0 252
michael@0 253 /**
michael@0 254 * Create a new BFCache entry and drop our reference to our old one. This
michael@0 255 * call unlinks this SHEntry from any other SHEntries for its document.
michael@0 256 */
michael@0 257 void abandonBFCacheEntry();
michael@0 258
michael@0 259 /**
michael@0 260 * Does this SHEntry correspond to the same document as aEntry? This is
michael@0 261 * true iff the two SHEntries have the same BFCacheEntry. So in
michael@0 262 * particular, sharesDocumentWith(aEntry) is guaranteed to return true if
michael@0 263 * it's preceeded by a call to adoptBFCacheEntry(aEntry).
michael@0 264 */
michael@0 265 boolean sharesDocumentWith(in nsISHEntry aEntry);
michael@0 266
michael@0 267 /**
michael@0 268 * True if this SHEntry corresponds to a document created by a srcdoc iframe.
michael@0 269 * Set when a value is assigned to srcdocData.
michael@0 270 */
michael@0 271 readonly attribute boolean isSrcdocEntry;
michael@0 272
michael@0 273 /**
michael@0 274 * Contents of the srcdoc attribute in a srcdoc iframe to be loaded instead
michael@0 275 * of the URI. Similar to a Data URI, this information is needed to
michael@0 276 * recreate the document at a later stage.
michael@0 277 * Setting this sets isSrcdocEntry to true
michael@0 278 */
michael@0 279 attribute AString srcdocData;
michael@0 280
michael@0 281 /**
michael@0 282 * When isSrcdocEntry is true, this contains the baseURI of the srcdoc
michael@0 283 * document for use in situations where it cannot otherwise be determined,
michael@0 284 * for example with view-source.
michael@0 285 */
michael@0 286 attribute nsIURI baseURI;
michael@0 287 };
michael@0 288
michael@0 289 [scriptable, uuid(bb66ac35-253b-471f-a317-3ece940f04c5)]
michael@0 290 interface nsISHEntryInternal : nsISupports
michael@0 291 {
michael@0 292 [notxpcom] void RemoveFromBFCacheAsync();
michael@0 293 [notxpcom] void RemoveFromBFCacheSync();
michael@0 294
michael@0 295 /**
michael@0 296 * A number that is assigned by the sHistory when the entry is activated
michael@0 297 */
michael@0 298 attribute unsigned long lastTouched;
michael@0 299
michael@0 300 /**
michael@0 301 * Some state, particularly that related to the back/forward cache, is
michael@0 302 * shared between SHEntries which correspond to the same document. This
michael@0 303 * method gets a pointer to that shared state.
michael@0 304 *
michael@0 305 * This shared state is the SHEntry's BFCacheEntry. So
michael@0 306 * hasBFCacheEntry(getSharedState()) is guaranteed to return true.
michael@0 307 */
michael@0 308 [noscript, notxpcom]
michael@0 309 nsSHEntryShared getSharedState();
michael@0 310 };
michael@0 311
michael@0 312 %{ C++
michael@0 313 // {BFD1A791-AD9F-11d3-BDC7-0050040A9B44}
michael@0 314 #define NS_SHENTRY_CID \
michael@0 315 {0xbfd1a791, 0xad9f, 0x11d3, {0xbd, 0xc7, 0x0, 0x50, 0x4, 0xa, 0x9b, 0x44}}
michael@0 316
michael@0 317 #define NS_SHENTRY_CONTRACTID \
michael@0 318 "@mozilla.org/browser/session-history-entry;1"
michael@0 319
michael@0 320 %}
michael@0 321

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