gecko-dev/mobile/android/chrome/content/aboutDownloads.js

576 lines
20 KiB
JavaScript

/* 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/. */
let Ci = Components.interfaces, Cc = Components.classes, Cu = Components.utils;
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/DownloadUtils.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/PluralForm.jsm");
Cu.import("resource://gre/modules/PrivateBrowsingUtils.jsm");
let gStrings = Services.strings.createBundle("chrome://browser/locale/aboutDownloads.properties");
let downloadTemplate =
"<li downloadGUID='{guid}' class='list-item' role='button' state='{state}' contextmenu='downloadmenu'>" +
"<img class='icon' src='{icon}'/>" +
"<div class='details'>" +
"<div class='row'>" +
// This is a hack so that we can crop this label in its center
"<xul:label class='title' crop='center' value='{target}'/>" +
"<div class='date'>{date}</div>" +
"</div>" +
"<div class='size'>{size}</div>" +
"<div class='domain'>{domain}</div>" +
"<div class='displayState'>{displayState}</div>" +
"</div>" +
"</li>";
XPCOMUtils.defineLazyGetter(window, "gChromeWin", function ()
window.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIWebNavigation)
.QueryInterface(Ci.nsIDocShellTreeItem)
.rootTreeItem
.QueryInterface(Ci.nsIInterfaceRequestor)
.getInterface(Ci.nsIDOMWindow)
.QueryInterface(Ci.nsIDOMChromeWindow));
var ContextMenus = {
target: null,
init: function() {
document.addEventListener("contextmenu", this, false);
this.items = [
{ name: "open", states: [Downloads._dlmgr.DOWNLOAD_FINISHED] },
{ name: "retry", states: [Downloads._dlmgr.DOWNLOAD_FAILED, Downloads._dlmgr.DOWNLOAD_CANCELED] },
{ name: "remove", states: [Downloads._dlmgr.DOWNLOAD_FINISHED,Downloads._dlmgr.DOWNLOAD_FAILED, Downloads._dlmgr.DOWNLOAD_CANCELED] },
{ name: "removeall", states: [Downloads._dlmgr.DOWNLOAD_FINISHED,Downloads._dlmgr.DOWNLOAD_FAILED, Downloads._dlmgr.DOWNLOAD_CANCELED] },
{ name: "pause", states: [Downloads._dlmgr.DOWNLOAD_DOWNLOADING] },
{ name: "resume", states: [Downloads._dlmgr.DOWNLOAD_PAUSED] },
{ name: "cancel", states: [Downloads._dlmgr.DOWNLOAD_DOWNLOADING, Downloads._dlmgr.DOWNLOAD_NOTSTARTED, Downloads._dlmgr.DOWNLOAD_QUEUED, Downloads._dlmgr.DOWNLOAD_PAUSED] },
];
},
handleEvent: function(event) {
// store the target of context menu events so that we know which app to act on
this.target = event.target;
while (!this.target.hasAttribute("contextmenu")) {
this.target = this.target.parentNode;
}
if (!this.target)
return;
let state = parseInt(this.target.getAttribute("state"));
for (let i = 0; i < this.items.length; i++) {
var item = this.items[i];
let enabled = (item.states.indexOf(state) > -1);
if (enabled)
document.getElementById("contextmenu-" + item.name).removeAttribute("hidden");
else
document.getElementById("contextmenu-" + item.name).setAttribute("hidden", "true");
}
},
// Open shown only for downloads that completed successfully
open: function(event) {
Downloads.openDownload(this.target);
this.target = null;
},
// Retry shown when its failed, canceled, blocked(covered in failed, see _getState())
retry: function (event) {
Downloads.retryDownload(this.target);
this.target = null;
},
// Remove shown when its canceled, finished, failed(failed includes blocked and dirty, see _getState())
remove: function (event) {
Downloads.removeDownload(this.target);
this.target = null;
},
// Pause shown when item is currently downloading
pause: function (event) {
Downloads.pauseDownload(this.target);
this.target = null;
},
// Resume shown for paused items only
resume: function (event) {
Downloads.resumeDownload(this.target);
this.target = null;
},
// Cancel shown when its downloading, notstarted, queued or paused
cancel: function (event) {
Downloads.cancelDownload(this.target);
this.target = null;
},
removeAll: function(event) {
Downloads.removeAll();
this.target = null;
}
}
let Downloads = {
init: function dl_init() {
function onClick(evt) {
let target = evt.target;
while (target.nodeName != "li") {
target = target.parentNode;
if (!target)
return;
}
Downloads.openDownload(target);
}
this._normalList = document.getElementById("normal-downloads-list");
this._privateList = document.getElementById("private-downloads-list");
this._normalList.addEventListener("click", onClick, false);
this._privateList.addEventListener("click", onClick, false);
this._dlmgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
this._dlmgr.addPrivacyAwareListener(this);
Services.obs.addObserver(this, "last-pb-context-exited", false);
Services.obs.addObserver(this, "download-manager-remove-download-guid", false);
// If we have private downloads, show them all immediately. If we were to
// add them asynchronously, there's a small chance we could get a
// "last-pb-context-exited" notification before downloads are added to the
// list, meaning we'd show private downloads without any private tabs open.
let privateEntries = this.getDownloads({ isPrivate: true });
this._stepAddEntries(privateEntries, this._privateList, privateEntries.length);
// Add non-private downloads
let normalEntries = this.getDownloads({ isPrivate: false });
this._stepAddEntries(normalEntries, this._normalList, 1);
ContextMenus.init();
},
uninit: function dl_uninit() {
let contextmenus = gChromeWin.NativeWindow.contextmenus;
contextmenus.remove(this.openMenuItem);
contextmenus.remove(this.removeMenuItem);
contextmenus.remove(this.pauseMenuItem);
contextmenus.remove(this.resumeMenuItem);
contextmenus.remove(this.retryMenuItem);
contextmenus.remove(this.cancelMenuItem);
contextmenus.remove(this.deleteAllMenuItem);
this._dlmgr.removeListener(this);
Services.obs.removeObserver(this, "last-pb-context-exited");
Services.obs.removeObserver(this, "download-manager-remove-download-guid");
},
onProgressChange: function(aWebProgress, aRequest, aCurSelfProgress, aMaxSelfProgress,
aCurTotalProgress, aMaxTotalProgress, aDownload) { },
onDownloadStateChange: function(aState, aDownload) {
switch (aDownload.state) {
case Ci.nsIDownloadManager.DOWNLOAD_FAILED:
case Ci.nsIDownloadManager.DOWNLOAD_CANCELED:
case Ci.nsIDownloadManager.DOWNLOAD_BLOCKED_PARENTAL:
case Ci.nsIDownloadManager.DOWNLOAD_DIRTY:
case Ci.nsIDownloadManager.DOWNLOAD_FINISHED:
// For all "completed" states, move them after active downloads
this._moveDownloadAfterActive(this._getElementForDownload(aDownload.guid));
// Fall-through the rest
case Ci.nsIDownloadManager.DOWNLOAD_SCANNING:
case Ci.nsIDownloadManager.DOWNLOAD_QUEUED:
case Ci.nsIDownloadManager.DOWNLOAD_DOWNLOADING:
let item = this._getElementForDownload(aDownload.guid);
if (item)
this._updateDownloadRow(item, aDownload);
else
this._insertDownloadRow(aDownload);
break;
}
},
onStateChange: function(aWebProgress, aRequest, aState, aStatus, aDownload) { },
onSecurityChange: function(aWebProgress, aRequest, aState, aDownload) { },
observe: function (aSubject, aTopic, aData) {
switch (aTopic) {
case "last-pb-context-exited":
this._privateList.innerHTML = "";
break;
case "download-manager-remove-download-guid": {
let guid = aSubject.QueryInterface(Ci.nsISupportsCString).data;
this._removeItem(this._getElementForDownload(guid));
break;
}
}
},
_moveDownloadAfterActive: function dl_moveDownloadAfterActive(aItem) {
// Move downloads that just reached a "completed" state below any active
try {
// Iterate down until we find a non-active download
let next = aItem.nextElementSibling;
while (next && this._inProgress(next.getAttribute("state")))
next = next.nextElementSibling;
// Move the item
aItem.parentNode.insertBefore(aItem, next);
} catch (ex) {
this.logError("_moveDownloadAfterActive() " + ex);
}
},
_inProgress: function dl_inProgress(aState) {
return [
this._dlmgr.DOWNLOAD_NOTSTARTED,
this._dlmgr.DOWNLOAD_QUEUED,
this._dlmgr.DOWNLOAD_DOWNLOADING,
this._dlmgr.DOWNLOAD_PAUSED,
this._dlmgr.DOWNLOAD_SCANNING,
].indexOf(parseInt(aState)) != -1;
},
_insertDownloadRow: function dl_insertDownloadRow(aDownload) {
let updatedState = this._getState(aDownload.state);
let item = this._createItem(downloadTemplate, {
guid: aDownload.guid,
target: aDownload.displayName,
icon: "moz-icon://" + aDownload.displayName + "?size=64",
date: DownloadUtils.getReadableDates(new Date())[0],
domain: DownloadUtils.getURIHost(aDownload.source.spec)[0],
size: this._getDownloadSize(aDownload.size),
displayState: this._getStateString(updatedState),
state: updatedState
});
list = aDownload.isPrivate ? this._privateList : this._normalList;
list.insertAdjacentHTML("afterbegin", item);
},
_getDownloadSize: function dl_getDownloadSize(aSize) {
let displaySize = DownloadUtils.convertByteUnits(aSize);
if (displaySize[0] > 0) // [0] is size, [1] is units
return displaySize.join("");
else
return gStrings.GetStringFromName("downloadState.unknownSize");
},
// Not all states are displayed as-is on mobile, some are translated to a generic state
_getState: function dl_getState(aState) {
let str;
switch (aState) {
// Downloading and Scanning states show up as "Downloading"
case this._dlmgr.DOWNLOAD_DOWNLOADING:
case this._dlmgr.DOWNLOAD_SCANNING:
str = this._dlmgr.DOWNLOAD_DOWNLOADING;
break;
// Failed, Dirty and Blocked states show up as "Failed"
case this._dlmgr.DOWNLOAD_FAILED:
case this._dlmgr.DOWNLOAD_DIRTY:
case this._dlmgr.DOWNLOAD_BLOCKED_POLICY:
case this._dlmgr.DOWNLOAD_BLOCKED_PARENTAL:
str = this._dlmgr.DOWNLOAD_FAILED;
break;
/* QUEUED and NOTSTARTED are not translated as they
dont fall under a common state but we still need
to display a common "status" on the UI */
default:
str = aState;
}
return str;
},
// Note: This doesn't cover all states as some of the states are translated in _getState()
_getStateString: function dl_getStateString(aState) {
let str;
switch (aState) {
case this._dlmgr.DOWNLOAD_DOWNLOADING:
str = "downloadState.downloading";
break;
case this._dlmgr.DOWNLOAD_CANCELED:
str = "downloadState.canceled";
break;
case this._dlmgr.DOWNLOAD_FAILED:
str = "downloadState.failed";
break;
case this._dlmgr.DOWNLOAD_PAUSED:
str = "downloadState.paused";
break;
// Queued and Notstarted show up as "Starting..."
case this._dlmgr.DOWNLOAD_QUEUED:
case this._dlmgr.DOWNLOAD_NOTSTARTED:
str = "downloadState.starting";
break;
default:
return "";
}
return gStrings.GetStringFromName(str);
},
_updateItem: function dl_updateItem(aItem, aValues) {
for (let i in aValues) {
aItem.querySelector("." + i).textContent = aValues[i];
}
},
_initStatement: function dv__initStatement(aIsPrivate) {
let dbConn = aIsPrivate ? this._dlmgr.privateDBConnection : this._dlmgr.DBConnection;
return dbConn.createStatement(
"SELECT guid, name, source, state, startTime, endTime, referrer, " +
"currBytes, maxBytes, state IN (?1, ?2, ?3, ?4, ?5) isActive " +
"FROM moz_downloads " +
"ORDER BY isActive DESC, endTime DESC, startTime DESC");
},
_createItem: function _createItem(aTemplate, aValues) {
function htmlEscape(s) {
s = s.replace(/&/g, "&amp;");
s = s.replace(/>/g, "&gt;");
s = s.replace(/</g, "&lt;");
s = s.replace(/"/g, "&quot;");
s = s.replace(/'/g, "&apos;");
return s;
}
let t = aTemplate;
for (let key in aValues) {
if (aValues.hasOwnProperty(key)) {
let regEx = new RegExp("{" + key + "}", "g");
let value = htmlEscape(aValues[key].toString());
t = t.replace(regEx, value);
}
}
return t;
},
_getEntry: function dv__getEntry(aStmt) {
try {
if (!aStmt.executeStep()) {
return null;
}
let updatedState = this._getState(aStmt.row.state);
// Try to get the attribute values from the statement
return {
guid: aStmt.row.guid,
target: aStmt.row.name,
icon: "moz-icon://" + aStmt.row.name + "?size=64",
date: DownloadUtils.getReadableDates(new Date(aStmt.row.endTime / 1000))[0],
domain: DownloadUtils.getURIHost(aStmt.row.source)[0],
size: this._getDownloadSize(aStmt.row.maxBytes),
displayState: this._getStateString(updatedState),
state: updatedState
};
} catch (e) {
// Something went wrong when stepping or getting values, so clear and quit
this.logError("_getEntry() " + e);
aStmt.reset();
return null;
}
},
_stepAddEntries: function dv__stepAddEntries(aEntries, aList, aNumItems) {
if (aEntries.length == 0)
return;
let attrs = aEntries.shift();
let item = this._createItem(downloadTemplate, attrs);
aList.insertAdjacentHTML("beforeend", item);
// Add another item to the list if we should; otherwise, let the UI update
// and continue later
if (aNumItems > 1) {
this._stepAddEntries(aEntries, aList, aNumItems - 1);
} else {
// Use a shorter delay for earlier downloads to display them faster
let delay = Math.min(aList.itemCount * 10, 300);
setTimeout(function () {
this._stepAddEntries(aEntries, aList, 5);
}.bind(this), delay);
}
},
getDownloads: function dl_getDownloads(aParams) {
aParams = aParams || {};
let stmt = this._initStatement(aParams.isPrivate);
stmt.reset();
stmt.bindInt32Parameter(0, Ci.nsIDownloadManager.DOWNLOAD_NOTSTARTED);
stmt.bindInt32Parameter(1, Ci.nsIDownloadManager.DOWNLOAD_DOWNLOADING);
stmt.bindInt32Parameter(2, Ci.nsIDownloadManager.DOWNLOAD_PAUSED);
stmt.bindInt32Parameter(3, Ci.nsIDownloadManager.DOWNLOAD_QUEUED);
stmt.bindInt32Parameter(4, Ci.nsIDownloadManager.DOWNLOAD_SCANNING);
let entries = [];
while (entry = this._getEntry(stmt)) {
entries.push(entry);
}
stmt.finalize();
return entries;
},
_getElementForDownload: function dl_getElementForDownload(aKey) {
return document.body.querySelector("li[downloadGUID='" + aKey + "']");
},
_getDownloadForElement: function dl_getDownloadForElement(aElement, aCallback) {
let guid = aElement.getAttribute("downloadGUID");
this._dlmgr.getDownloadByGUID(guid, function(status, download) {
if (!Components.isSuccessCode(status)) {
return;
}
aCallback(download);
});
},
_removeItem: function dl_removeItem(aItem) {
// Make sure we have an item to remove
if (!aItem)
return;
aItem.parentNode.removeChild(aItem);
},
openDownload: function dl_openDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
try {
let f = aDownload.targetFile;
if (f) f.launch();
} catch (ex) {
this.logError("openDownload() " + ex, aDownload);
}
}.bind(this));
},
removeDownload: function dl_removeDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
let f = null;
try {
f = aDownload.targetFile;
} catch (ex) {
// even if there is no file, pretend that there is so that we can remove
// it from the list
f = { leafName: "" };
}
aDownload.remove();
try {
if (f) f.remove(false);
} catch (ex) {
this.logError("removeDownload() " + ex, aDownload);
}
}.bind(this));
},
removeAll: function dl_removeAll() {
let title = gStrings.GetStringFromName("downloadAction.deleteAll");
let messageForm = gStrings.GetStringFromName("downloadMessage.deleteAll");
let elements = document.body.querySelectorAll("li[state='" + this._dlmgr.DOWNLOAD_FINISHED + "']," +
"li[state='" + this._dlmgr.DOWNLOAD_CANCELED + "']," +
"li[state='" + this._dlmgr.DOWNLOAD_FAILED + "']");
let message = PluralForm.get(elements.length, messageForm)
.replace("#1", elements.length);
let flags = Services.prompt.BUTTON_POS_0 * Services.prompt.BUTTON_TITLE_OK +
Services.prompt.BUTTON_POS_1 * Services.prompt.BUTTON_TITLE_CANCEL;
let choice = Services.prompt.confirmEx(null, title, message, flags,
null, null, null, null, {});
if (choice == 0) {
for (let i = 0; i < elements.length; i++) {
this.removeDownload(elements[i]);
}
}
},
pauseDownload: function dl_pauseDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
try {
aDownload.pause();
this._updateDownloadRow(aItem, aDownload);
} catch (ex) {
this.logError("Error: pauseDownload() " + ex, aDownload);
}
}.bind(this));
},
resumeDownload: function dl_resumeDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
try {
aDownload.resume();
this._updateDownloadRow(aItem, aDownload);
} catch (ex) {
this.logError("resumeDownload() " + ex, aDownload);
}
}.bind(this));
},
retryDownload: function dl_retryDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
try {
this._removeItem(aItem);
aDownload.retry();
} catch (ex) {
this.logError("retryDownload() " + ex, aDownload);
}
}.bind(this));
},
cancelDownload: function dl_cancelDownload(aItem) {
this._getDownloadForElement(aItem, function(aDownload) {
try {
aDownload.cancel();
let f = aDownload.targetFile;
if (f.exists())
f.remove(false);
this._updateDownloadRow(aItem, aDownload);
} catch (ex) {
this.logError("cancelDownload() " + ex, aDownload);
}
}.bind(this));
},
_updateDownloadRow: function dl_updateDownloadRow(aItem, aDownload) {
try {
let updatedState = this._getState(aDownload.state);
aItem.setAttribute("state", updatedState);
this._updateItem(aItem, {
size: this._getDownloadSize(aDownload.size),
displayState: this._getStateString(updatedState),
date: DownloadUtils.getReadableDates(new Date())[0]
});
} catch (ex) {
this.logError("_updateDownloadRow() " + ex, aDownload);
}
},
/**
* Logs the error to the console.
*
* @param aMessage error message to log
* @param aDownload (optional) if given, and if the download is private, the
* log message is suppressed
*/
logError: function dl_logError(aMessage, aDownload) {
if (!aDownload || !aDownload.isPrivate) {
console.log("Error: " + aMessage);
}
},
QueryInterface: function (aIID) {
if (!aIID.equals(Ci.nsIDownloadProgressListener) &&
!aIID.equals(Ci.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
}