diff options
Diffstat (limited to 'webbrowser/components/statusbar/Downloads.jsm')
| -rw-r--r-- | webbrowser/components/statusbar/Downloads.jsm | 674 |
1 files changed, 674 insertions, 0 deletions
diff --git a/webbrowser/components/statusbar/Downloads.jsm b/webbrowser/components/statusbar/Downloads.jsm new file mode 100644 index 0000000..091fdad --- /dev/null +++ b/webbrowser/components/statusbar/Downloads.jsm @@ -0,0 +1,674 @@ +/* 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 EXPORTED_SYMBOLS = ["S4EDownloadService"]; + +const CC = Components.classes; +const CI = Components.interfaces; +const CU = Components.utils; + +CU.import("resource://gre/modules/Services.jsm"); +CU.import("resource://gre/modules/PluralForm.jsm"); +CU.import("resource://gre/modules/DownloadUtils.jsm"); +CU.import("resource://gre/modules/PrivateBrowsingUtils.jsm"); +CU.import("resource://gre/modules/XPCOMUtils.jsm"); + +function S4EDownloadService(window, gBrowser, service, getters) +{ + this._window = window; + this._gBrowser = gBrowser; + this._service = service; + this._getters = getters; + + this._handler = new JSTransferHandler(this._window, this); +} + +S4EDownloadService.prototype = +{ + _window: null, + _gBrowser: null, + _service: null, + _getters: null, + + _handler: null, + _listening: false, + + _binding: false, + _customizing: false, + + _lastTime: Infinity, + + _dlActive: false, + _dlPaused: false, + _dlFinished: false, + + _dlCountStr: null, + _dlTimeStr: null, + + _dlProgressAvg: 0, + _dlProgressMax: 0, + _dlProgressMin: 0, + _dlProgressType: "active", + + _dlNotifyTimer: 0, + _dlNotifyGlowTimer: 0, + + init: function() + { + if(!this._getters.downloadButton) + { + this.uninit(); + return; + } + + if(this._listening) + { + return; + } + + this._handler.start(); + this._listening = true; + + this._lastTime = Infinity; + + this.updateBinding(); + this.updateStatus(); + }, + + uninit: function() + { + if(!this._listening) + { + return; + } + + this._listening = false; + this._handler.stop(); + + this.releaseBinding(); + }, + + destroy: function() + { + this.uninit(); + this._handler.destroy(); + + ["_window", "_gBrowser", "_service", "_getters", "_handler"].forEach(function(prop) + { + delete this[prop]; + }, this); + }, + + updateBinding: function() + { + if(!this._listening) + { + this.releaseBinding(); + return; + } + + switch(this._service.downloadButtonAction) + { + case 1: // Default + this.attachBinding(); + break; + default: + this.releaseBinding(); + break; + } + }, + + attachBinding: function() + { + if(this._binding) + { + return; + } + + let db = this._window.DownloadsButton; + + db._getAnchorS4EBackup = db.getAnchor; + db.getAnchor = this.getAnchor.bind(this); + + db._releaseAnchorS4EBackup = db.releaseAnchor; + db.releaseAnchor = function() {}; + + this._binding = true; + }, + + releaseBinding: function() + { + if(!this._binding) + { + return; + } + + let db = this._window.DownloadsButton; + + db.getAnchor = db._getAnchorS4EBackup; + db.releaseAnchor = db._releaseAnchorS4EBackup; + + this._binding = false; + }, + + customizing: function(val) + { + this._customizing = val; + }, + + updateStatus: function(lastFinished) + { + if(!this._getters.downloadButton) + { + this.uninit(); + return; + } + + let numActive = 0; + let numPaused = 0; + let activeTotalSize = 0; + let activeTransferred = 0; + let activeMaxProgress = -Infinity; + let activeMinProgress = Infinity; + let pausedTotalSize = 0; + let pausedTransferred = 0; + let pausedMaxProgress = -Infinity; + let pausedMinProgress = Infinity; + let maxTime = -Infinity; + + let dls = ((this.isPrivateWindow) ? this._handler.activePrivateEntries() : this._handler.activeEntries()); + for(let dl of dls) + { + if(dl.state == CI.nsIDownloadManager.DOWNLOAD_DOWNLOADING) + { + numActive++; + if(dl.size > 0) + { + if(dl.speed > 0) + { + maxTime = Math.max(maxTime, (dl.size - dl.transferred) / dl.speed); + } + + activeTotalSize += dl.size; + activeTransferred += dl.transferred; + + let currentProgress = ((dl.transferred * 100) / dl.size); + activeMaxProgress = Math.max(activeMaxProgress, currentProgress); + activeMinProgress = Math.min(activeMinProgress, currentProgress); + } + } + else if(dl.state == CI.nsIDownloadManager.DOWNLOAD_PAUSED) + { + numPaused++; + if(dl.size > 0) + { + pausedTotalSize += dl.size; + pausedTransferred += dl.transferred; + + let currentProgress = ((dl.transferred * 100) / dl.size); + pausedMaxProgress = Math.max(pausedMaxProgress, currentProgress); + pausedMinProgress = Math.min(pausedMinProgress, currentProgress); + } + } + } + + if((numActive + numPaused) == 0) + { + this._dlActive = false; + this._dlFinished = lastFinished; + this.updateButton(); + this._lastTime = Infinity; + return; + } + + let dlPaused = (numActive == 0); + let dlStatus = ((dlPaused) ? this._getters.strings.getString("pausedDownloads") + : this._getters.strings.getString("activeDownloads")); + let dlCount = ((dlPaused) ? numPaused : numActive); + let dlTotalSize = ((dlPaused) ? pausedTotalSize : activeTotalSize); + let dlTransferred = ((dlPaused) ? pausedTransferred : activeTransferred); + let dlMaxProgress = ((dlPaused) ? pausedMaxProgress : activeMaxProgress); + let dlMinProgress = ((dlPaused) ? pausedMinProgress : activeMinProgress); + let dlProgressType = ((dlPaused) ? "paused" : "active"); + + [this._dlTimeStr, this._lastTime] = DownloadUtils.getTimeLeft(maxTime, this._lastTime); + this._dlCountStr = PluralForm.get(dlCount, dlStatus).replace("#1", dlCount); + this._dlProgressAvg = ((dlTotalSize == 0) ? 100 : ((dlTransferred * 100) / dlTotalSize)); + this._dlProgressMax = ((dlTotalSize == 0) ? 100 : dlMaxProgress); + this._dlProgressMin = ((dlTotalSize == 0) ? 100 : dlMinProgress); + this._dlProgressType = dlProgressType + ((dlTotalSize == 0) ? "-unknown" : ""); + this._dlPaused = dlPaused; + this._dlActive = true; + this._dlFinished = false; + + this.updateButton(); + }, + + updateButton: function() + { + let download_button = this._getters.downloadButton; + let download_tooltip = this._getters.downloadButtonTooltip; + let download_progress = this._getters.downloadButtonProgress; + let download_label = this._getters.downloadButtonLabel; + if(!download_button) + { + return; + } + + if(!this._dlActive) + { + download_button.collapsed = true; + download_label.value = download_tooltip.label = this._getters.strings.getString("noDownloads"); + + download_progress.collapsed = true; + download_progress.value = 0; + + if(this._dlFinished && this._handler.hasPBAPI && !this.isUIShowing) + { + this.callAttention(download_button); + } + return; + } + + switch(this._service.downloadProgress) + { + case 2: + download_progress.value = this._dlProgressMax; + break; + case 3: + download_progress.value = this._dlProgressMin; + break; + default: + download_progress.value = this._dlProgressAvg; + break; + } + download_progress.setAttribute("pmType", this._dlProgressType); + download_progress.collapsed = (this._service.downloadProgress == 0); + + download_label.value = this.buildString(this._service.downloadLabel); + download_tooltip.label = this.buildString(this._service.downloadTooltip); + + this.clearAttention(download_button); + download_button.collapsed = false; + }, + + callAttention: function(download_button) + { + if(this._dlNotifyGlowTimer != 0) + { + this._window.clearTimeout(this._dlNotifyGlowTimer); + this._dlNotifyGlowTimer = 0; + } + + download_button.setAttribute("attention", "true"); + + if(this._service.downloadNotifyTimeout) + { + this._dlNotifyGlowTimer = this._window.setTimeout(function(self, button) + { + self._dlNotifyGlowTimer = 0; + button.removeAttribute("attention"); + }, this._service.downloadNotifyTimeout, this, download_button); + } + }, + + clearAttention: function(download_button) + { + if(this._dlNotifyGlowTimer != 0) + { + this._window.clearTimeout(this._dlNotifyGlowTimer); + this._dlNotifyGlowTimer = 0; + } + + download_button.removeAttribute("attention"); + }, + + notify: function() + { + if(this._dlNotifyTimer == 0 && this._service.downloadNotifyAnimate) + { + let download_button_anchor = this._getters.downloadButtonAnchor; + let download_notify_anchor = this._getters.downloadNotifyAnchor; + if(download_button_anchor) + { + if(!download_notify_anchor.style.transform) + { + let bAnchorRect = download_button_anchor.getBoundingClientRect(); + let nAnchorRect = download_notify_anchor.getBoundingClientRect(); + + let translateX = bAnchorRect.left - nAnchorRect.left; + translateX += .5 * (bAnchorRect.width - nAnchorRect.width); + + let translateY = bAnchorRect.top - nAnchorRect.top; + translateY += .5 * (bAnchorRect.height - nAnchorRect.height); + + download_notify_anchor.style.transform = "translate(" + translateX + "px, " + translateY + "px)"; + } + + download_notify_anchor.setAttribute("notification", "finish"); + this._dlNotifyTimer = this._window.setTimeout(function(self, anchor) + { + self._dlNotifyTimer = 0; + anchor.removeAttribute("notification"); + anchor.style.transform = ""; + }, 1000, this, download_notify_anchor); + } + } + }, + + clearFinished: function() + { + this._dlFinished = false; + let download_button = this._getters.downloadButton; + if(download_button) + { + this.clearAttention(download_button); + } + }, + + getAnchor: function(aCallback) + { + if(this._customizing) + { + aCallback(null); + return; + } + + aCallback(this._getters.downloadButtonAnchor); + }, + + openUI: function(aEvent) + { + this.clearFinished(); + + switch(this._service.downloadButtonAction) + { + case 1: // Firefox Default + this._handler.openUINative(); + break; + case 2: // Show Library + this._window.PlacesCommandHook.showPlacesOrganizer("Downloads"); + break; + case 3: // Show Tab + let found = this._gBrowser.browsers.some(function(browser, index) + { + if("about:downloads" == browser.currentURI.spec) + { + this._gBrowser.selectedTab = this._gBrowser.tabContainer.childNodes[index]; + return true; + } + }, this); + + if(!found) + { + this._window.openUILinkIn("about:downloads", "tab"); + } + break; + case 4: // External Command + let command = this._service.downloadButtonActionCommand; + if(commend) + { + this._window.goDoCommand(command); + } + break; + default: // Nothing + break; + } + + aEvent.stopPropagation(); + }, + + get isPrivateWindow() + { + return this._handler.hasPBAPI && PrivateBrowsingUtils.isWindowPrivate(this._window); + }, + + get isUIShowing() + { + switch(this._service.downloadButtonAction) + { + case 1: // Firefox Default + return this._handler.isUIShowingNative; + case 2: // Show Library + var organizer = Services.wm.getMostRecentWindow("Places:Organizer"); + if(organizer) + { + let selectedNode = organizer.PlacesOrganizer._places.selectedNode; + let downloadsItemId = organizer.PlacesUIUtils.leftPaneQueries["Downloads"]; + return selectedNode && selectedNode.itemId === downloadsItemId; + } + return false; + case 3: // Show tab + let currentURI = this._gBrowser.currentURI; + return currentURI && currentURI.spec == "about:downloads"; + default: // Nothing + return false; + } + }, + + buildString: function(mode) + { + switch(mode) + { + case 0: + return this._dlCountStr; + case 1: + return ((this._dlPaused) ? this._dlCountStr : this._dlTimeStr); + default: + let compStr = this._dlCountStr; + if(!this._dlPaused) + { + compStr += " (" + this._dlTimeStr + ")"; + } + return compStr; + } + } +}; + +function JSTransferHandler(window, downloadService) +{ + this._window = window; + + let api = CU.import("resource://gre/modules/Downloads.jsm", {}).Downloads; + + this._activePublic = new JSTransferListener(downloadService, api.getList(api.PUBLIC), false); + this._activePrivate = new JSTransferListener(downloadService, api.getList(api.PRIVATE), true); +} + +JSTransferHandler.prototype = +{ + _window: null, + _activePublic: null, + _activePrivate: null, + + destroy: function() + { + this._activePublic.destroy(); + this._activePrivate.destroy(); + + ["_window", "_activePublic", "_activePrivate"].forEach(function(prop) + { + delete this[prop]; + }, this); + }, + + start: function() + { + this._activePublic.start(); + this._activePrivate.start(); + }, + + stop: function() + { + this._activePublic.stop(); + this._activePrivate.stop(); + }, + + get hasPBAPI() + { + return true; + }, + + openUINative: function() + { + this._window.DownloadsPanel.showPanel(); + }, + + get isUIShowingNative() + { + return this._window.DownloadsPanel.isPanelShowing; + }, + + activeEntries: function() + { + return this._activePublic.downloads(); + }, + + activePrivateEntries: function() + { + return this._activePrivate.downloads(); + } +}; + +function JSTransferListener(downloadService, listPromise, isPrivate) +{ + this._downloadService = downloadService; + this._isPrivate = isPrivate; + this._downloads = new Map(); + + listPromise.then(this.initList.bind(this)).then(null, CU.reportError); +} + +JSTransferListener.prototype = +{ + _downloadService: null, + _list: null, + _downloads: null, + _isPrivate: false, + _wantsStart: false, + + initList: function(list) + { + this._list = list; + if(this._wantsStart) { + this.start(); + } + + this._list.getAll().then(this.initDownloads.bind(this)).then(null, CU.reportError); + }, + + initDownloads: function(downloads) + { + downloads.forEach(function(download) + { + this.onDownloadAdded(download); + }, this); + }, + + destroy: function() + { + this._downloads.clear(); + + ["_downloadService", "_list", "_downloads"].forEach(function(prop) + { + delete this[prop]; + }, this); + }, + + start: function() + { + if(!this._list) + { + this._wantsStart = true; + return; + } + + this._list.addView(this); + }, + + stop: function() + { + if(!this._list) + { + this._wantsStart = false; + return; + } + + this._list.removeView(this); + }, + + downloads: function() + { + return this._downloads.values(); + }, + + convertToState: function(dl) + { + if(dl.succeeded) + { + return CI.nsIDownloadManager.DOWNLOAD_FINISHED; + } + if(dl.error && dl.error.becauseBlockedByParentalControls) + { + return CI.nsIDownloadManager.DOWNLOAD_BLOCKED_PARENTAL; + } + if(dl.error) + { + return CI.nsIDownloadManager.DOWNLOAD_FAILED; + } + if(dl.canceled && dl.hasPartialData) + { + return CI.nsIDownloadManager.DOWNLOAD_PAUSED; + } + if(dl.canceled) + { + return CI.nsIDownloadManager.DOWNLOAD_CANCELED; + } + if(dl.stopped) + { + return CI.nsIDownloadManager.DOWNLOAD_NOTSTARTED; + } + return CI.nsIDownloadManager.DOWNLOAD_DOWNLOADING; + }, + + onDownloadAdded: function(aDownload) + { + let dl = this._downloads.get(aDownload); + if(!dl) + { + dl = {}; + this._downloads.set(aDownload, dl); + } + + dl.state = this.convertToState(aDownload); + dl.size = aDownload.totalBytes; + dl.speed = aDownload.speed; + dl.transferred = aDownload.currentBytes; + }, + + onDownloadChanged: function(aDownload) + { + this.onDownloadAdded(aDownload); + + if(this._isPrivate != this._downloadService.isPrivateWindow) + { + return; + } + + this._downloadService.updateStatus(aDownload.succeeded); + + if(aDownload.succeeded) + { + this._downloadService.notify() + } + }, + + onDownloadRemoved: function(aDownload) + { + this._downloads.delete(aDownload); + } +}; + |