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
|
/* -*- indent-tabs-mode: nil; js-indent-level: 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/. */
"use strict";
const { XPCOMUtils } = ChromeUtils.importESModule(
"resource://gre/modules/XPCOMUtils.sys.mjs"
);
const lazy = {};
ChromeUtils.defineModuleGetter(
lazy,
"Pocket",
"chrome://pocket/content/Pocket.jsm"
);
ChromeUtils.defineModuleGetter(
lazy,
"CustomizableUI",
"resource:///modules/CustomizableUI.jsm"
);
ChromeUtils.defineESModuleGetters(lazy, {
AboutReaderParent: "resource:///actors/AboutReaderParent.sys.mjs",
});
var EXPORTED_SYMBOLS = ["SaveToPocket"];
var PocketCustomizableWidget = {
init() {
lazy.CustomizableUI.createWidget({
id: "save-to-pocket-button",
l10nId: "save-to-pocket-button",
type: "view",
viewId: "PanelUI-savetopocket",
// This closes any open Pocket panels if you change location.
locationSpecific: true,
onViewShowing(aEvent) {
let panelView = aEvent.target;
let panelNode = panelView.querySelector(
".PanelUI-savetopocket-container"
);
let doc = panelNode.ownerDocument;
let frame = doc.createXULElement("browser");
frame.setAttribute("type", "content");
frame.setAttribute("remote", "true");
frame.setAttribute("remoteType", "privilegedabout");
frame.setAttribute("maychangeremoteness", "true");
frame.setAttribute("autocompletepopup", "PopupAutoComplete");
panelNode.appendChild(frame);
SaveToPocket.onShownInToolbarPanel(panelNode, frame);
},
onViewHiding(aEvent) {
let panelView = aEvent.target;
let panelNode = panelView.querySelector(
".PanelUI-savetopocket-container"
);
panelNode.textContent = "";
SaveToPocket.updateToolbarNodeState(panelNode.ownerGlobal);
},
});
},
shutdown() {
lazy.CustomizableUI.destroyWidget("save-to-pocket-button");
},
};
var PocketOverlay = {
startup() {
PocketCustomizableWidget.init();
},
shutdown() {
PocketCustomizableWidget.shutdown();
},
};
function browserWindows() {
return Services.wm.getEnumerator("navigator:browser");
}
var SaveToPocket = {
init() {
// migrate enabled pref
if (Services.prefs.prefHasUserValue("browser.pocket.enabled")) {
Services.prefs.setBoolPref(
"extensions.pocket.enabled",
Services.prefs.getBoolPref("browser.pocket.enabled")
);
Services.prefs.clearUserPref("browser.pocket.enabled");
}
// Only define the pref getter now, so we don't get notified for the
// migrated pref above.
XPCOMUtils.defineLazyPreferenceGetter(
this,
"prefEnabled",
"extensions.pocket.enabled",
true,
this.onPrefChange.bind(this)
);
if (this.prefEnabled) {
PocketOverlay.startup();
} else {
// We avoid calling onPrefChange or similar here, because we don't want to
// shut down things that haven't started up, or broadcast unnecessary messages.
this.updateElements(false);
Services.obs.addObserver(this, "browser-delayed-startup-finished");
}
lazy.AboutReaderParent.addMessageListener("Reader:OnSetup", this);
lazy.AboutReaderParent.addMessageListener(
"Reader:Clicked-pocket-button",
this
);
},
observe(subject, topic, data) {
if (topic == "browser-delayed-startup-finished") {
// We only get here if pocket is disabled; the observer is removed when
// we're enabled.
this.updateElementsInWindow(subject, false);
}
},
_readerButtonData: {
id: "pocket-button",
l10nId: "about-reader-toolbar-savetopocket",
telemetryId: "save-to-pocket",
image: "chrome://global/skin/icons/pocket.svg",
},
onPrefChange(pref, oldValue, newValue) {
if (!newValue) {
lazy.AboutReaderParent.broadcastAsyncMessage("Reader:RemoveButton", {
id: "pocket-button",
});
PocketOverlay.shutdown();
Services.obs.addObserver(this, "browser-delayed-startup-finished");
} else {
lazy.AboutReaderParent.broadcastAsyncMessage(
"Reader:AddButton",
this._readerButtonData
);
Services.obs.removeObserver(this, "browser-delayed-startup-finished");
PocketOverlay.startup();
}
this.updateElements(newValue);
},
// Sets or removes the "pocketed" attribute on the Pocket urlbar button as
// necessary.
updateToolbarNodeState(browserWindow) {
const toolbarNode = browserWindow.document.getElementById(
"save-to-pocket-button"
);
if (!toolbarNode || toolbarNode.hidden) {
return;
}
let browser = browserWindow.gBrowser.selectedBrowser;
let pocketedInnerWindowID = this.innerWindowIDsByBrowser.get(browser);
if (pocketedInnerWindowID == browser.innerWindowID) {
// The current window in this browser is pocketed.
toolbarNode.setAttribute("pocketed", "true");
} else {
// The window isn't pocketed.
toolbarNode.removeAttribute("pocketed");
}
},
// For pocketed inner windows, this maps their <browser>s to those inner
// window IDs. If a browser's inner window changes, then the mapped ID will
// be out of date, meaning that the new inner window has not been pocketed.
// If a browser goes away, then it'll be gone from this map too since it's
// weak. To tell whether a window has been pocketed then, look up its browser
// in this map and compare the mapped inner window ID to the ID of the current
// inner window.
get innerWindowIDsByBrowser() {
delete this.innerWindowIDsByBrowser;
return (this.innerWindowIDsByBrowser = new WeakMap());
},
onLocationChange(browserWindow) {
this.updateToolbarNodeState(browserWindow);
},
/**
* Functions related to the Pocket panel UI.
*/
onShownInToolbarPanel(panel, frame) {
let window = panel.ownerGlobal;
window.pktUI.setToolbarPanelFrame(frame);
lazy.Pocket._initPanelView(window);
},
// If an item is saved to Pocket, we cache the browser's inner window ID,
// so if you navigate to that tab again, we can check the ID
// and see if we need to update the toolbar icon.
itemSaved() {
const browserWindow = Services.wm.getMostRecentWindow("navigator:browser");
const browser = browserWindow.gBrowser.selectedBrowser;
SaveToPocket.innerWindowIDsByBrowser.set(browser, browser.innerWindowID);
},
// If an item is removed from Pocket, we remove that browser's inner window ID,
// so if you navigate to that tab again, we can check the ID
// and see if we need to update the toolbar icon.
itemDeleted() {
const browserWindow = Services.wm.getMostRecentWindow("navigator:browser");
const browser = browserWindow.gBrowser.selectedBrowser;
SaveToPocket.innerWindowIDsByBrowser.delete(browser);
},
updateElements(enabled) {
// loop through windows and show/hide all our elements.
for (let win of browserWindows()) {
this.updateElementsInWindow(win, enabled);
}
},
updateElementsInWindow(win, enabled) {
if (enabled) {
win.document.documentElement.removeAttribute("pocketdisabled");
} else {
win.document.documentElement.setAttribute("pocketdisabled", "true");
}
},
receiveMessage(message) {
if (!this.prefEnabled) {
return;
}
switch (message.name) {
case "Reader:OnSetup": {
// Tell the reader about our button.
message.target.sendMessageToActor(
"Reader:AddButton",
this._readerButtonData,
"AboutReader"
);
break;
}
case "Reader:Clicked-pocket-button": {
let pocketPanel = message.target.ownerDocument.querySelector(
"#customizationui-widget-panel"
);
if (pocketPanel?.getAttribute("panelopen")) {
pocketPanel.hidePopup();
} else {
// Saves the currently viewed page.
lazy.Pocket.savePage(message.target);
}
break;
}
}
},
};
|
