summaryrefslogtreecommitdiffstats
path: root/toolkit/components/alerts/resources/content/alert.js
blob: e9725bedb0bc177cc1b23a327e05e9f50f6d4db5 (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
/* 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/. */

var {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;

Cu.import("resource://gre/modules/Services.jsm");

/*
 * This indicates from which corner of the screen alerts slide in,
 * and from which direction (horizontal/vertical).
 * 0, the default, represents bottom right, sliding vertically.
 * Use any bitwise combination of the following constants:
 * NS_ALERT_HORIZONTAL (1), NS_ALERT_LEFT (2), NS_ALERT_TOP (4).
 *
 *       6       4
 *     +-----------+
 *    7|           |5
 *     |           |
 *    3|           |1
 *     +-----------+
 *       2       0
 */
const NS_ALERT_HORIZONTAL = 1;
const NS_ALERT_LEFT = 2;
const NS_ALERT_TOP = 4;

#ifdef XP_WIN
const WINDOW_MARGIN = 0;
const WINDOW_SHADOW_SPREAD = 10;
#else
const WINDOW_MARGIN = 10;
const WINDOW_SHADOW_SPREAD = 0;
#endif

const BODY_TEXT_LIMIT = 200;

var gOrigin = 0; // Default value: alert from bottom right.
var gReplacedWindow = null;
var gAlertListener = null;
var gAlertTextClickable = false;
var gAlertCookie = "";
var gIsReplaced = false;
var gRequireInteraction = false;

function prefillAlertInfo() {
  // unwrap all the args....
  // arguments[0] --> the image src url
  // arguments[1] --> the alert title
  // arguments[2] --> the alert text
  // arguments[3] --> is the text clickable?
  // arguments[4] --> the alert cookie to be passed back to the listener
  // arguments[5] --> the alert origin reported by the look and feel
  // arguments[6] --> bidi
  // arguments[7] --> lang
  // arguments[8] --> requires interaction
  // arguments[9] --> replaced alert window (nsIDOMWindow)
  // arguments[10] --> an optional callback listener (nsIObserver)
  // arguments[11] -> the nsIURI.hostPort of the origin, optional
  // arguments[12] -> the alert icon URL, optional

  document.getElementById('alertTime').setAttribute('value', (new Date).getTime());

  switch (window.arguments.length) {
    default:
    case 13: {
      if (window.arguments[12]) {
        let alertBox = document.getElementById("alertBox");
        alertBox.setAttribute("hasIcon", true);

        let icon = document.getElementById("alertIcon");
        icon.src = window.arguments[12];
      }
    }
    case 12: {
      if (window.arguments[11]) {
        let alertBox = document.getElementById("alertBox");
        alertBox.setAttribute("hasOrigin", true);

        let hostPort = window.arguments[11];
        const ALERT_BUNDLE = Services.strings.createBundle(
          "chrome://alerts/locale/alert.properties");
        const BRAND_BUNDLE = Services.strings.createBundle(
          "chrome://branding/locale/brand.properties");
        const BRAND_NAME = BRAND_BUNDLE.GetStringFromName("brandShortName");
        let label = document.getElementById("alertSourceLabel");
        label.setAttribute("value",
          ALERT_BUNDLE.formatStringFromName("source.label",
                                            [hostPort],
                                            1));
        let doNotDisturbMenuItem = document.getElementById("doNotDisturbMenuItem");
        doNotDisturbMenuItem.setAttribute("label",
          ALERT_BUNDLE.formatStringFromName("doNotDisturb.label",
                                            [BRAND_NAME],
                                            1));
        let disableForOrigin = document.getElementById("disableForOriginMenuItem");
        disableForOrigin.setAttribute("label",
          ALERT_BUNDLE.formatStringFromName("webActions.disableForOrigin.label",
                                            [hostPort],
                                            1));
        let openSettings = document.getElementById("openSettingsMenuItem");
        openSettings.setAttribute("label",
          ALERT_BUNDLE.GetStringFromName("webActions.settings.label"));
      }
    }
    case 11:
      gAlertListener = window.arguments[10];
    case 10:
      gReplacedWindow = window.arguments[9];
    case 9:
      gRequireInteraction = window.arguments[8];
    case 8:
      if (window.arguments[7]) {
        document.getElementById("alertTitleLabel").setAttribute("lang", window.arguments[7]);
        document.getElementById("alertTextLabel").setAttribute("lang", window.arguments[7]);
      }
    case 7:
      if (window.arguments[6]) {
        document.getElementById("alertNotification").style.direction = window.arguments[6];
      }
    case 6:
      gOrigin = window.arguments[5];
    case 5:
      gAlertCookie = window.arguments[4];
    case 4:
      gAlertTextClickable = window.arguments[3];
      if (gAlertTextClickable) {
        document.getElementById("alertNotification").setAttribute("clickable", true);
        document.getElementById("alertTextLabel").setAttribute("clickable", true);
      }
    case 3:
      if (window.arguments[2]) {
        document.getElementById("alertBox").setAttribute("hasBodyText", true);
        let bodyText = window.arguments[2];
        let bodyTextLabel = document.getElementById("alertTextLabel");

        if (bodyText.length > BODY_TEXT_LIMIT) {
          bodyTextLabel.setAttribute("tooltiptext", bodyText);

          let ellipsis = "\u2026";
          try {
            ellipsis = Services.prefs.getComplexValue("intl.ellipsis",
                                                      Ci.nsIPrefLocalizedString).data;
          } catch (e) { }

          // Copied from nsContextMenu.js' formatSearchContextItem().
          // If the JS character after our truncation point is a trail surrogate,
          // include it in the truncated string to avoid splitting a surrogate pair.
          let truncLength = BODY_TEXT_LIMIT;
          let truncChar = bodyText[BODY_TEXT_LIMIT].charCodeAt(0);
          if (truncChar >= 0xDC00 && truncChar <= 0xDFFF) {
            truncLength++;
          }

          bodyText = bodyText.substring(0, truncLength) +
                     ellipsis;
        }
        bodyTextLabel.textContent = bodyText;
      }
    case 2:
      document.getElementById("alertTitleLabel").setAttribute("value", window.arguments[1]);
    case 1:
      if (window.arguments[0]) {
        document.getElementById("alertBox").setAttribute("hasImage", true);
        document.getElementById("alertImage").setAttribute("src", window.arguments[0]);
      }
    case 0:
      break;
  }
}

function onAlertLoad() {
  const ALERT_DURATION_IMMEDIATE_MIN = 4000;
  const ALERT_DURATION_IMMEDIATE_MAX = 60000;
  let alertDurationImmediate = Services.prefs.getIntPref("alerts.durationImmediate", ALERT_DURATION_IMMEDIATE_MIN);
  alertDurationImmediate = alertDurationImmediate >= ALERT_DURATION_IMMEDIATE_MIN
      && alertDurationImmediate <= ALERT_DURATION_IMMEDIATE_MAX
      ? alertDurationImmediate : ALERT_DURATION_IMMEDIATE_MIN;
  let alertTextBox = document.getElementById("alertTextBox");
  let alertImageBox = document.getElementById("alertImageBox");
  alertImageBox.style.minHeight = alertTextBox.scrollHeight + "px";

  sizeToContent();

  if (gReplacedWindow && !gReplacedWindow.closed) {
    moveWindowToReplace(gReplacedWindow);
    gReplacedWindow.gIsReplaced = true;
    gReplacedWindow.close();
  } else {
    moveWindowToEnd();
  }

  window.addEventListener("XULAlertClose", function() { window.close(); });

  // If the require interaction flag is set, prevent auto-closing the notification.
  if (!gRequireInteraction) {
    if (Services.prefs.getBoolPref("alerts.disableSlidingEffect")) {
      setTimeout(function() { window.close(); }, alertDurationImmediate);
    } else {
      let alertBox = document.getElementById("alertBox");
      alertBox.addEventListener("animationend", function hideAlert(event) {
        if (event.animationName == "alert-animation" ||
            event.animationName == "alert-clicked-animation" ||
            event.animationName == "alert-closing-animation") {
          alertBox.removeEventListener("animationend", hideAlert, false);
          window.close();
        }
      }, false);
      alertBox.style.animationDuration = Math.round(alertDurationImmediate / 1000).toString() + "s";
      alertBox.setAttribute("animate", true);
    }
  }

  let alertSettings = document.getElementById("alertSettings");
  alertSettings.addEventListener("focus", onAlertSettingsFocus);
  alertSettings.addEventListener("click", onAlertSettingsClick);

  let ev = new CustomEvent("AlertActive", {bubbles: true, cancelable: true});
  document.documentElement.dispatchEvent(ev);

  if (gAlertListener) {
    gAlertListener.observe(null, "alertshow", gAlertCookie);
  }
}

function moveWindowToReplace(aReplacedAlert) {
  let heightDelta = window.outerHeight - aReplacedAlert.outerHeight;

  // Move windows that come after the replaced alert if the height is different.
  if (heightDelta != 0) {
    let windows = Services.wm.getEnumerator("alert:alert");
    while (windows.hasMoreElements()) {
      let alertWindow = windows.getNext();
      // boolean to determine if the alert window is after the replaced alert.
      let alertIsAfter = gOrigin & NS_ALERT_TOP ?
                         alertWindow.screenY > aReplacedAlert.screenY :
                         aReplacedAlert.screenY > alertWindow.screenY;
      if (alertIsAfter) {
        // The new Y position of the window.
        let adjustedY = gOrigin & NS_ALERT_TOP ?
                        alertWindow.screenY + heightDelta :
                        alertWindow.screenY - heightDelta;
        alertWindow.moveTo(alertWindow.screenX, adjustedY);
      }
    }
  }

  let adjustedY = gOrigin & NS_ALERT_TOP ? aReplacedAlert.screenY :
                  aReplacedAlert.screenY - heightDelta;
  window.moveTo(aReplacedAlert.screenX, adjustedY);
}

function moveWindowToEnd() {
  // Determine position
  let x = gOrigin & NS_ALERT_LEFT ? screen.availLeft :
          screen.availLeft + screen.availWidth - window.outerWidth;
  let y = gOrigin & NS_ALERT_TOP ? screen.availTop :
          screen.availTop + screen.availHeight - window.outerHeight;

  // Position the window at the end of all alerts.
  let windows = Services.wm.getEnumerator("alert:alert");
  while (windows.hasMoreElements()) {
    let alertWindow = windows.getNext();
    let alertWindowTime = Number(
        alertWindow.document.getElementById('alertTime').getAttribute('value'));
    let windowTime = Number(
        window.document.getElementById('alertTime').getAttribute('value'));
    // The time of window creation.
    // Otherwise calling the notification twice (and more) in a row
    // does not work.
    // See https://bugzilla.mozilla.org/show_bug.cgi?id=1263155
    if ((alertWindow != window) && (alertWindowTime <= windowTime)) {
      if (gOrigin & NS_ALERT_TOP) {
        y = Math.max(y, alertWindow.screenY + alertWindow.outerHeight - WINDOW_SHADOW_SPREAD);
      } else {
        y = Math.min(y, alertWindow.screenY - window.outerHeight + WINDOW_SHADOW_SPREAD);
      }
    }
  }

  // Offset the alert by WINDOW_MARGIN pixels from the edge of the screen
  y += gOrigin & NS_ALERT_TOP ? WINDOW_MARGIN : -WINDOW_MARGIN;
  x += gOrigin & NS_ALERT_LEFT ? WINDOW_MARGIN : -WINDOW_MARGIN;

  window.moveTo(x, y);
}

function onAlertBeforeUnload() {
  if (!gIsReplaced) {
    // Move other alert windows to fill the gap left by closing alert.
    let heightDelta = window.outerHeight + WINDOW_MARGIN - WINDOW_SHADOW_SPREAD;
    let windows = Services.wm.getEnumerator("alert:alert");
    while (windows.hasMoreElements()) {
      let alertWindow = windows.getNext();
      if (alertWindow != window) {
        if (gOrigin & NS_ALERT_TOP) {
          if (alertWindow.screenY > window.screenY) {
            alertWindow.moveTo(alertWindow.screenX, alertWindow.screenY - heightDelta);
          }
        } else if (window.screenY > alertWindow.screenY) {
          alertWindow.moveTo(alertWindow.screenX, alertWindow.screenY + heightDelta);
        }
      }
    }
  }

  if (gAlertListener) {
    gAlertListener.observe(null, "alertfinished", gAlertCookie);
  }
}

function onAlertClick() {
  if (gAlertListener && gAlertTextClickable) {
    gAlertListener.observe(null, "alertclickcallback", gAlertCookie);
  }

  let alertBox = document.getElementById("alertBox");
  if (alertBox.getAttribute("animate") == "true") {
    // Closed when the animation ends.
    alertBox.style.animationDuration = ".6s";
    alertBox.setAttribute("clicked", "true");
  } else {
    window.close();
  }
}

function doNotDisturb() {
  const alertService = Cc["@mozilla.org/alerts-service;1"]
                         .getService(Ci.nsIAlertsService)
                         .QueryInterface(Ci.nsIAlertsDoNotDisturb);
  alertService.manualDoNotDisturb = true;
  Services.telemetry.getHistogramById("WEB_NOTIFICATION_MENU")
                    .add(0);
  onAlertClose();
}

function disableForOrigin() {
  gAlertListener.observe(null, "alertdisablecallback", gAlertCookie);
  onAlertClose();
}

function onAlertSettingsFocus(event) {
  event.target.removeAttribute("focusedViaMouse");
}

function onAlertSettingsClick(event) {
  // XXXjaws Hack used to remove the focus-ring only
  // from mouse interaction, but focus-ring drawing
  // should only be enabled when interacting via keyboard.
  event.target.setAttribute("focusedViaMouse", true);
  event.stopPropagation();
}

function openSettings() {
  gAlertListener.observe(null, "alertsettingscallback", gAlertCookie);
  onAlertClose();
}

function onAlertClose() {
  let alertBox = document.getElementById("alertBox");
  if (alertBox.getAttribute("animate") == "true") {
    // Closed when the animation ends.
    alertBox.style.animationDuration = ".6s";
    alertBox.setAttribute("closing", "true");
  } else {
    window.close();
  }
}