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comparison: browser/components/sessionstore/nsISessionStore.idl

browser/components/sessionstore/nsISessionStore.idl

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1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5 #include "nsISupports.idl"
6
7 interface nsIDOMWindow;
8 interface nsIDOMNode;
9
10 /**
11 * nsISessionStore keeps track of the current browsing state - i.e.
12 * tab history, cookies, scroll state, form data, and window features
13 * - and allows to restore everything into one browser window.
14 *
15 * The nsISessionStore API operates mostly on browser windows and the tabbrowser
16 * tabs contained in them:
17 *
18 * * "Browser windows" are those DOM windows having loaded
19 * chrome://browser/content/browser.xul . From overlays you can just pass the
20 * global |window| object to the API, though (or |top| from a sidebar).
21 * From elsewhere you can get browser windows through the nsIWindowMediator
22 * by looking for "navigator:browser" windows.
23 *
24 * * "Tabbrowser tabs" are all the child nodes of a browser window's
25 * |gBrowser.tabContainer| such as e.g. |gBrowser.selectedTab|.
26 */
27
28 [scriptable, uuid(0c99811f-6c5f-4a78-9c31-2d266d714175)]
29 interface nsISessionStore : nsISupports
30 {
31 /**
32 * Is it possible to restore the previous session. Will always be false when
33 * in Private Browsing mode.
34 */
35 attribute boolean canRestoreLastSession;
36
37 /**
38 * Restore the previous session if possible. This will not overwrite the
39 * current session. Instead the previous session will be merged into the
40 * current session. Current windows will be reused if they were windows that
41 * pinned tabs were previously restored into. New windows will be opened as
42 * needed.
43 *
44 * Note: This will throw if there is no previous state to restore. Check with
45 * canRestoreLastSession first to avoid thrown errors.
46 */
47 void restoreLastSession();
48
49 /**
50 * Get the current browsing state.
51 * @returns a JSON string representing the session state.
52 */
53 AString getBrowserState();
54
55 /**
56 * Set the browsing state.
57 * This will immediately restore the state of the whole application to the state
58 * passed in, *replacing* the current session.
59 *
60 * @param aState is a JSON string representing the session state.
61 */
62 void setBrowserState(in AString aState);
63
64 /**
65 * @param aWindow is the browser window whose state is to be returned.
66 *
67 * @returns a JSON string representing a session state with only one window.
68 */
69 AString getWindowState(in nsIDOMWindow aWindow);
70
71 /**
72 * @param aWindow is the browser window whose state is to be set.
73 * @param aState is a JSON string representing a session state.
74 * @param aOverwrite boolean overwrite existing tabs
75 */
76 void setWindowState(in nsIDOMWindow aWindow, in AString aState, in boolean aOverwrite);
77
78 /**
79 * @param aTab is the tabbrowser tab whose state is to be returned.
80 *
81 * @returns a JSON string representing the state of the tab
82 * (note: doesn't contain cookies - if you need them, use getWindowState instead).
83 */
84 AString getTabState(in nsIDOMNode aTab);
85
86 /**
87 * @param aTab is the tabbrowser tab whose state is to be set.
88 * @param aState is a JSON string representing a session state.
89 */
90 void setTabState(in nsIDOMNode aTab, in AString aState);
91
92 /**
93 * Duplicates a given tab as thoroughly as possible.
94 *
95 * @param aWindow is the browser window into which the tab will be duplicated.
96 * @param aTab is the tabbrowser tab to duplicate (can be from a different window).
97 * @param aDelta is the offset to the history entry to load in the duplicated tab.
98 * @returns a reference to the newly created tab.
99 */
100 nsIDOMNode duplicateTab(in nsIDOMWindow aWindow, in nsIDOMNode aTab,
101 [optional] in long aDelta);
102
103 /**
104 * Get the number of restore-able tabs for a browser window
105 */
106 unsigned long getClosedTabCount(in nsIDOMWindow aWindow);
107
108 /**
109 * Get closed tab data
110 *
111 * @param aWindow is the browser window for which to get closed tab data
112 * @returns a JSON string representing the list of closed tabs.
113 */
114 AString getClosedTabData(in nsIDOMWindow aWindow);
115
116 /**
117 * @param aWindow is the browser window to reopen a closed tab in.
118 * @param aIndex is the index of the tab to be restored (FIFO ordered).
119 * @returns a reference to the reopened tab.
120 */
121 nsIDOMNode undoCloseTab(in nsIDOMWindow aWindow, in unsigned long aIndex);
122
123 /**
124 * @param aWindow is the browser window associated with the closed tab.
125 * @param aIndex is the index of the closed tab to be removed (FIFO ordered).
126 */
127 nsIDOMNode forgetClosedTab(in nsIDOMWindow aWindow, in unsigned long aIndex);
128
129 /**
130 * Get the number of restore-able windows
131 */
132 unsigned long getClosedWindowCount();
133
134 /**
135 * Get closed windows data
136 *
137 * @returns a JSON string representing the list of closed windows.
138 */
139 AString getClosedWindowData();
140
141 /**
142 * @param aIndex is the index of the windows to be restored (FIFO ordered).
143 * @returns the nsIDOMWindow object of the reopened window
144 */
145 nsIDOMWindow undoCloseWindow(in unsigned long aIndex);
146
147 /**
148 * @param aIndex is the index of the closed window to be removed (FIFO ordered).
149 *
150 * @throws NS_ERROR_INVALID_ARG
151 * when aIndex does not map to a closed window
152 */
153 nsIDOMNode forgetClosedWindow(in unsigned long aIndex);
154
155 /**
156 * @param aWindow is the window to get the value for.
157 * @param aKey is the value's name.
158 *
159 * @returns A string value or an empty string if none is set.
160 */
161 AString getWindowValue(in nsIDOMWindow aWindow, in AString aKey);
162
163 /**
164 * @param aWindow is the browser window to set the value for.
165 * @param aKey is the value's name.
166 * @param aStringValue is the value itself (use JSON.stringify/parse before setting JS objects).
167 */
168 void setWindowValue(in nsIDOMWindow aWindow, in AString aKey, in AString aStringValue);
169
170 /**
171 * @param aWindow is the browser window to get the value for.
172 * @param aKey is the value's name.
173 */
174 void deleteWindowValue(in nsIDOMWindow aWindow, in AString aKey);
175
176 /**
177 * @param aTab is the tabbrowser tab to get the value for.
178 * @param aKey is the value's name.
179 *
180 * @returns A string value or an empty string if none is set.
181 */
182 AString getTabValue(in nsIDOMNode aTab, in AString aKey);
183
184 /**
185 * @param aTab is the tabbrowser tab to set the value for.
186 * @param aKey is the value's name.
187 * @param aStringValue is the value itself (use JSON.stringify/parse before setting JS objects).
188 */
189 void setTabValue(in nsIDOMNode aTab, in AString aKey, in AString aStringValue);
190
191 /**
192 * @param aTab is the tabbrowser tab to get the value for.
193 * @param aKey is the value's name.
194 */
195 void deleteTabValue(in nsIDOMNode aTab, in AString aKey);
196
197 /**
198 * @param aKey is the value's name.
199 *
200 * @returns A string value or an empty string if none is set.
201 */
202 AString getGlobalValue(in AString aKey);
203
204 /**
205 * @param aKey is the value's name.
206 * @param aStringValue is the value itself (use JSON.stringify/parse before setting JS objects).
207 */
208 void setGlobalValue(in AString aKey, in AString aStringValue);
209
210 /**
211 * @param aTab is the browser tab to get the value for.
212 * @param aKey is the value's name.
213 */
214 void deleteGlobalValue(in AString aKey);
215
216 /**
217 * @param aName is the name of the attribute to save/restore for all tabbrowser tabs.
218 */
219 void persistTabAttribute(in AString aName);
220 };

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