michael@0: /* -*- Mode: Javascript; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ft=javascript ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const Ci = Components.interfaces;
michael@0: const Cu = Components.utils;
michael@0: 
michael@0: Cu.import("resource://gre/modules/Services.jsm");
michael@0: Cu.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Cu.import("resource:///modules/devtools/gDevTools.jsm");
michael@0: Cu.import("resource:///modules/devtools/FloatingScrollbars.jsm");
michael@0: Cu.import("resource://gre/modules/devtools/event-emitter.js");
michael@0: 
michael@0: var require = Cu.import("resource://gre/modules/devtools/Loader.jsm", {}).devtools.require;
michael@0: let Telemetry = require("devtools/shared/telemetry");
michael@0: let {TouchEventHandler} = require("devtools/touch-events");
michael@0: 
michael@0: this.EXPORTED_SYMBOLS = ["ResponsiveUIManager"];
michael@0: 
michael@0: const MIN_WIDTH = 50;
michael@0: const MIN_HEIGHT = 50;
michael@0: 
michael@0: const MAX_WIDTH = 10000;
michael@0: const MAX_HEIGHT = 10000;
michael@0: 
michael@0: const SLOW_RATIO = 6;
michael@0: const ROUND_RATIO = 10;
michael@0: 
michael@0: this.ResponsiveUIManager = {
michael@0:   /**
michael@0:    * Check if the a tab is in a responsive mode.
michael@0:    * Leave the responsive mode if active,
michael@0:    * active the responsive mode if not active.
michael@0:    *
michael@0:    * @param aWindow the main window.
michael@0:    * @param aTab the tab targeted.
michael@0:    */
michael@0:   toggle: function(aWindow, aTab) {
michael@0:     if (aTab.__responsiveUI) {
michael@0:       aTab.__responsiveUI.close();
michael@0:     } else {
michael@0:       new ResponsiveUI(aWindow, aTab);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Returns true if responsive view is active for the provided tab.
michael@0:    *
michael@0:    * @param aTab the tab targeted.
michael@0:    */
michael@0:   isActiveForTab: function(aTab) {
michael@0:     return !!aTab.__responsiveUI;
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Handle gcli commands.
michael@0:    *
michael@0:    * @param aWindow the browser window.
michael@0:    * @param aTab the tab targeted.
michael@0:    * @param aCommand the command name.
michael@0:    * @param aArgs command arguments.
michael@0:    */
michael@0:   handleGcliCommand: function(aWindow, aTab, aCommand, aArgs) {
michael@0:     switch (aCommand) {
michael@0:       case "resize to":
michael@0:         if (!aTab.__responsiveUI) {
michael@0:           new ResponsiveUI(aWindow, aTab);
michael@0:         }
michael@0:         aTab.__responsiveUI.setSize(aArgs.width, aArgs.height);
michael@0:         break;
michael@0:       case "resize on":
michael@0:         if (!aTab.__responsiveUI) {
michael@0:           new ResponsiveUI(aWindow, aTab);
michael@0:         }
michael@0:         break;
michael@0:       case "resize off":
michael@0:         if (aTab.__responsiveUI) {
michael@0:           aTab.__responsiveUI.close();
michael@0:         }
michael@0:         break;
michael@0:       case "resize toggle":
michael@0:           this.toggle(aWindow, aTab);
michael@0:       default:
michael@0:     }
michael@0:   }
michael@0: }
michael@0: 
michael@0: EventEmitter.decorate(ResponsiveUIManager);
michael@0: 
michael@0: let presets = [
michael@0:   // Phones
michael@0:   {key: "320x480", width: 320, height: 480},    // iPhone, B2G, with <meta viewport>
michael@0:   {key: "360x640", width: 360, height: 640},    // Android 4, phones, with <meta viewport>
michael@0: 
michael@0:   // Tablets
michael@0:   {key: "768x1024", width: 768, height: 1024},   // iPad, with <meta viewport>
michael@0:   {key: "800x1280", width: 800, height: 1280},   // Android 4, Tablet, with <meta viewport>
michael@0: 
michael@0:   // Default width for mobile browsers, no <meta viewport>
michael@0:   {key: "980x1280", width: 980, height: 1280},
michael@0: 
michael@0:   // Computer
michael@0:   {key: "1280x600", width: 1280, height: 600},
michael@0:   {key: "1920x900", width: 1920, height: 900},
michael@0: ];
michael@0: 
michael@0: function ResponsiveUI(aWindow, aTab)
michael@0: {
michael@0:   this.mainWindow = aWindow;
michael@0:   this.tab = aTab;
michael@0:   this.tabContainer = aWindow.gBrowser.tabContainer;
michael@0:   this.browser = aTab.linkedBrowser;
michael@0:   this.chromeDoc = aWindow.document;
michael@0:   this.container = aWindow.gBrowser.getBrowserContainer(this.browser);
michael@0:   this.stack = this.container.querySelector(".browserStack");
michael@0:   this._telemetry = new Telemetry();
michael@0:   this._floatingScrollbars = !this.mainWindow.matchMedia("(-moz-overlay-scrollbars)").matches;
michael@0: 
michael@0: 
michael@0:   // Try to load presets from prefs
michael@0:   if (Services.prefs.prefHasUserValue("devtools.responsiveUI.presets")) {
michael@0:     try {
michael@0:       presets = JSON.parse(Services.prefs.getCharPref("devtools.responsiveUI.presets"));
michael@0:     } catch(e) {
michael@0:       // User pref is malformated.
michael@0:       Cu.reportError("Could not parse pref `devtools.responsiveUI.presets`: " + e);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   this.customPreset = {key: "custom", custom: true};
michael@0: 
michael@0:   if (Array.isArray(presets)) {
michael@0:     this.presets = [this.customPreset].concat(presets);
michael@0:   } else {
michael@0:     Cu.reportError("Presets value (devtools.responsiveUI.presets) is malformated.");
michael@0:     this.presets = [this.customPreset];
michael@0:   }
michael@0: 
michael@0:   try {
michael@0:     let width = Services.prefs.getIntPref("devtools.responsiveUI.customWidth");
michael@0:     let height = Services.prefs.getIntPref("devtools.responsiveUI.customHeight");
michael@0:     this.customPreset.width = Math.min(MAX_WIDTH, width);
michael@0:     this.customPreset.height = Math.min(MAX_HEIGHT, height);
michael@0: 
michael@0:     this.currentPresetKey = Services.prefs.getCharPref("devtools.responsiveUI.currentPreset");
michael@0:   } catch(e) {
michael@0:     // Default size. The first preset (custom) is the one that will be used.
michael@0:     let bbox = this.stack.getBoundingClientRect();
michael@0: 
michael@0:     this.customPreset.width = bbox.width - 40; // horizontal padding of the container
michael@0:     this.customPreset.height = bbox.height - 80; // vertical padding + toolbar height
michael@0: 
michael@0:     this.currentPresetKey = this.presets[1].key; // most common preset
michael@0:   }
michael@0: 
michael@0:   this.container.setAttribute("responsivemode", "true");
michael@0:   this.stack.setAttribute("responsivemode", "true");
michael@0: 
michael@0:   // Let's bind some callbacks.
michael@0:   this.bound_onPageLoad = this.onPageLoad.bind(this);
michael@0:   this.bound_onPageUnload = this.onPageUnload.bind(this);
michael@0:   this.bound_presetSelected = this.presetSelected.bind(this);
michael@0:   this.bound_addPreset = this.addPreset.bind(this);
michael@0:   this.bound_removePreset = this.removePreset.bind(this);
michael@0:   this.bound_rotate = this.rotate.bind(this);
michael@0:   this.bound_screenshot = () => this.screenshot();
michael@0:   this.bound_touch = this.toggleTouch.bind(this);
michael@0:   this.bound_close = this.close.bind(this);
michael@0:   this.bound_startResizing = this.startResizing.bind(this);
michael@0:   this.bound_stopResizing = this.stopResizing.bind(this);
michael@0:   this.bound_onDrag = this.onDrag.bind(this);
michael@0:   this.bound_onKeypress = this.onKeypress.bind(this);
michael@0: 
michael@0:   // Events
michael@0:   this.tab.addEventListener("TabClose", this);
michael@0:   this.tabContainer.addEventListener("TabSelect", this);
michael@0:   this.mainWindow.document.addEventListener("keypress", this.bound_onKeypress, false);
michael@0: 
michael@0:   this.buildUI();
michael@0:   this.checkMenus();
michael@0: 
michael@0:   this.docShell = this.browser.contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
michael@0:                       .getInterface(Ci.nsIWebNavigation)
michael@0:                       .QueryInterface(Ci.nsIDocShell);
michael@0: 
michael@0:   this._deviceSizeWasPageSize = this.docShell.deviceSizeIsPageSize;
michael@0:   this.docShell.deviceSizeIsPageSize = true;
michael@0: 
michael@0:   try {
michael@0:     if (Services.prefs.getBoolPref("devtools.responsiveUI.rotate")) {
michael@0:       this.rotate();
michael@0:     }
michael@0:   } catch(e) {}
michael@0: 
michael@0:   if (this._floatingScrollbars)
michael@0:     switchToFloatingScrollbars(this.tab);
michael@0: 
michael@0:   this.tab.__responsiveUI = this;
michael@0: 
michael@0:   this._telemetry.toolOpened("responsive");
michael@0: 
michael@0:   // Touch events support
michael@0:   this.touchEnableBefore = false;
michael@0:   this.touchEventHandler = new TouchEventHandler(this.browser);
michael@0: 
michael@0:   this.browser.addEventListener("load", this.bound_onPageLoad, true);
michael@0:   this.browser.addEventListener("unload", this.bound_onPageUnload, true);
michael@0: 
michael@0:   if (this.browser.contentWindow.document &&
michael@0:       this.browser.contentWindow.document.readyState == "complete") {
michael@0:     this.onPageLoad();
michael@0:   }
michael@0: 
michael@0:   ResponsiveUIManager.emit("on", this.tab, this);
michael@0: }
michael@0: 
michael@0: ResponsiveUI.prototype = {
michael@0:   _transitionsEnabled: true,
michael@0:   get transitionsEnabled() this._transitionsEnabled,
michael@0:   set transitionsEnabled(aValue) {
michael@0:     this._transitionsEnabled = aValue;
michael@0:     if (aValue && !this._resizing && this.stack.hasAttribute("responsivemode")) {
michael@0:       this.stack.removeAttribute("notransition");
michael@0:     } else if (!aValue) {
michael@0:       this.stack.setAttribute("notransition", "true");
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Window onload / onunload
michael@0:    */
michael@0:    onPageLoad: function() {
michael@0:      this.touchEventHandler = new TouchEventHandler(this.browser);
michael@0:      if (this.touchEnableBefore) {
michael@0:        this.enableTouch();
michael@0:      }
michael@0:    },
michael@0: 
michael@0:    onPageUnload: function(evt) {
michael@0:      // Ignore sub frames unload events
michael@0:      if (evt.target != this.browser.contentDocument)
michael@0:        return;
michael@0:      if (this.closing)
michael@0:        return;
michael@0:      if (this.touchEventHandler) {
michael@0:        this.touchEnableBefore = this.touchEventHandler.enabled;
michael@0:        this.disableTouch();
michael@0:        delete this.touchEventHandler;
michael@0:      }
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Destroy the nodes. Remove listeners. Reset the style.
michael@0:    */
michael@0:   close: function RUI_unload() {
michael@0:     if (this.closing)
michael@0:       return;
michael@0:     this.closing = true;
michael@0: 
michael@0:     this.docShell.deviceSizeIsPageSize = this._deviceSizeWasPageSize;
michael@0: 
michael@0:     this.browser.removeEventListener("load", this.bound_onPageLoad, true);
michael@0:     this.browser.removeEventListener("unload", this.bound_onPageUnload, true);
michael@0: 
michael@0:     if (this._floatingScrollbars)
michael@0:       switchToNativeScrollbars(this.tab);
michael@0: 
michael@0:     this.unCheckMenus();
michael@0:     // Reset style of the stack.
michael@0:     let style = "max-width: none;" +
michael@0:                 "min-width: 0;" +
michael@0:                 "max-height: none;" +
michael@0:                 "min-height: 0;";
michael@0:     this.stack.setAttribute("style", style);
michael@0: 
michael@0:     if (this.isResizing)
michael@0:       this.stopResizing();
michael@0: 
michael@0:     // Remove listeners.
michael@0:     this.mainWindow.document.removeEventListener("keypress", this.bound_onKeypress, false);
michael@0:     this.menulist.removeEventListener("select", this.bound_presetSelected, true);
michael@0:     this.tab.removeEventListener("TabClose", this);
michael@0:     this.tabContainer.removeEventListener("TabSelect", this);
michael@0:     this.rotatebutton.removeEventListener("command", this.bound_rotate, true);
michael@0:     this.screenshotbutton.removeEventListener("command", this.bound_screenshot, true);
michael@0:     this.touchbutton.removeEventListener("command", this.bound_touch, true);
michael@0:     this.closebutton.removeEventListener("command", this.bound_close, true);
michael@0:     this.addbutton.removeEventListener("command", this.bound_addPreset, true);
michael@0:     this.removebutton.removeEventListener("command", this.bound_removePreset, true);
michael@0: 
michael@0:     // Removed elements.
michael@0:     this.container.removeChild(this.toolbar);
michael@0:     this.stack.removeChild(this.resizer);
michael@0:     this.stack.removeChild(this.resizeBarV);
michael@0:     this.stack.removeChild(this.resizeBarH);
michael@0: 
michael@0:     // Unset the responsive mode.
michael@0:     this.container.removeAttribute("responsivemode");
michael@0:     this.stack.removeAttribute("responsivemode");
michael@0: 
michael@0:     delete this.docShell;
michael@0:     delete this.tab.__responsiveUI;
michael@0:     if (this.touchEventHandler)
michael@0:       this.touchEventHandler.stop();
michael@0:     this._telemetry.toolClosed("responsive");
michael@0:     ResponsiveUIManager.emit("off", this.tab, this);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Handle keypressed.
michael@0:    *
michael@0:    * @param aEvent
michael@0:    */
michael@0:   onKeypress: function RUI_onKeypress(aEvent) {
michael@0:     if (aEvent.keyCode == this.mainWindow.KeyEvent.DOM_VK_ESCAPE &&
michael@0:         this.mainWindow.gBrowser.selectedBrowser == this.browser) {
michael@0: 
michael@0:       aEvent.preventDefault();
michael@0:       aEvent.stopPropagation();
michael@0:       this.close();
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Handle events
michael@0:    */
michael@0:   handleEvent: function (aEvent) {
michael@0:     switch (aEvent.type) {
michael@0:       case "TabClose":
michael@0:         this.close();
michael@0:         break;
michael@0:       case "TabSelect":
michael@0:         if (this.tab.selected) {
michael@0:           this.checkMenus();
michael@0:         } else if (!this.mainWindow.gBrowser.selectedTab.responsiveUI) {
michael@0:           this.unCheckMenus();
michael@0:         }
michael@0:         break;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Check the menu items.
michael@0:    */
michael@0:    checkMenus: function RUI_checkMenus() {
michael@0:      this.chromeDoc.getElementById("Tools:ResponsiveUI").setAttribute("checked", "true");
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Uncheck the menu items.
michael@0:    */
michael@0:    unCheckMenus: function RUI_unCheckMenus() {
michael@0:      this.chromeDoc.getElementById("Tools:ResponsiveUI").setAttribute("checked", "false");
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Build the toolbar and the resizers.
michael@0:    *
michael@0:    * <vbox class="browserContainer"> From tabbrowser.xml
michael@0:    *  <toolbar class="devtools-responsiveui-toolbar">
michael@0:    *    <menulist class="devtools-responsiveui-menulist"/> // presets
michael@0:    *    <toolbarbutton tabindex="0" class="devtools-responsiveui-toolbarbutton" tooltiptext="rotate"/> // rotate
michael@0:    *    <toolbarbutton tabindex="0" class="devtools-responsiveui-toolbarbutton" tooltiptext="screenshot"/> // screenshot
michael@0:    *    <toolbarbutton tabindex="0" class="devtools-responsiveui-toolbarbutton" tooltiptext="Leave Responsive Design View"/> // close
michael@0:    *  </toolbar>
michael@0:    *  <stack class="browserStack"> From tabbrowser.xml
michael@0:    *    <browser/>
michael@0:    *    <box class="devtools-responsiveui-resizehandle" bottom="0" right="0"/>
michael@0:    *    <box class="devtools-responsiveui-resizebarV" top="0" right="0"/>
michael@0:    *    <box class="devtools-responsiveui-resizebarH" bottom="0" left="0"/>
michael@0:    *  </stack>
michael@0:    * </vbox>
michael@0:    */
michael@0:   buildUI: function RUI_buildUI() {
michael@0:     // Toolbar
michael@0:     this.toolbar = this.chromeDoc.createElement("toolbar");
michael@0:     this.toolbar.className = "devtools-responsiveui-toolbar";
michael@0: 
michael@0:     this.menulist = this.chromeDoc.createElement("menulist");
michael@0:     this.menulist.className = "devtools-responsiveui-menulist";
michael@0: 
michael@0:     this.menulist.addEventListener("select", this.bound_presetSelected, true);
michael@0: 
michael@0:     this.menuitems = new Map();
michael@0: 
michael@0:     let menupopup = this.chromeDoc.createElement("menupopup");
michael@0:     this.registerPresets(menupopup);
michael@0:     this.menulist.appendChild(menupopup);
michael@0: 
michael@0:     this.addbutton = this.chromeDoc.createElement("menuitem");
michael@0:     this.addbutton.setAttribute("label", this.strings.GetStringFromName("responsiveUI.addPreset"));
michael@0:     this.addbutton.addEventListener("command", this.bound_addPreset, true);
michael@0: 
michael@0:     this.removebutton = this.chromeDoc.createElement("menuitem");
michael@0:     this.removebutton.setAttribute("label", this.strings.GetStringFromName("responsiveUI.removePreset"));
michael@0:     this.removebutton.addEventListener("command", this.bound_removePreset, true);
michael@0: 
michael@0:     menupopup.appendChild(this.chromeDoc.createElement("menuseparator"));
michael@0:     menupopup.appendChild(this.addbutton);
michael@0:     menupopup.appendChild(this.removebutton);
michael@0: 
michael@0:     this.rotatebutton = this.chromeDoc.createElement("toolbarbutton");
michael@0:     this.rotatebutton.setAttribute("tabindex", "0");
michael@0:     this.rotatebutton.setAttribute("tooltiptext", this.strings.GetStringFromName("responsiveUI.rotate2"));
michael@0:     this.rotatebutton.className = "devtools-responsiveui-toolbarbutton devtools-responsiveui-rotate";
michael@0:     this.rotatebutton.addEventListener("command", this.bound_rotate, true);
michael@0: 
michael@0:     this.screenshotbutton = this.chromeDoc.createElement("toolbarbutton");
michael@0:     this.screenshotbutton.setAttribute("tabindex", "0");
michael@0:     this.screenshotbutton.setAttribute("tooltiptext", this.strings.GetStringFromName("responsiveUI.screenshot"));
michael@0:     this.screenshotbutton.className = "devtools-responsiveui-toolbarbutton devtools-responsiveui-screenshot";
michael@0:     this.screenshotbutton.addEventListener("command", this.bound_screenshot, true);
michael@0: 
michael@0:     this.touchbutton = this.chromeDoc.createElement("toolbarbutton");
michael@0:     this.touchbutton.setAttribute("tabindex", "0");
michael@0:     this.touchbutton.setAttribute("tooltiptext", this.strings.GetStringFromName("responsiveUI.touch"));
michael@0:     this.touchbutton.className = "devtools-responsiveui-toolbarbutton devtools-responsiveui-touch";
michael@0:     this.touchbutton.addEventListener("command", this.bound_touch, true);
michael@0: 
michael@0:     this.closebutton = this.chromeDoc.createElement("toolbarbutton");
michael@0:     this.closebutton.setAttribute("tabindex", "0");
michael@0:     this.closebutton.className = "devtools-responsiveui-toolbarbutton devtools-responsiveui-close";
michael@0:     this.closebutton.setAttribute("tooltiptext", this.strings.GetStringFromName("responsiveUI.close"));
michael@0:     this.closebutton.addEventListener("command", this.bound_close, true);
michael@0: 
michael@0:     this.toolbar.appendChild(this.closebutton);
michael@0:     this.toolbar.appendChild(this.menulist);
michael@0:     this.toolbar.appendChild(this.rotatebutton);
michael@0:     this.toolbar.appendChild(this.touchbutton);
michael@0:     this.toolbar.appendChild(this.screenshotbutton);
michael@0: 
michael@0:     // Resizers
michael@0:     let resizerTooltip = this.strings.GetStringFromName("responsiveUI.resizerTooltip");
michael@0:     this.resizer = this.chromeDoc.createElement("box");
michael@0:     this.resizer.className = "devtools-responsiveui-resizehandle";
michael@0:     this.resizer.setAttribute("right", "0");
michael@0:     this.resizer.setAttribute("bottom", "0");
michael@0:     this.resizer.setAttribute("tooltiptext", resizerTooltip);
michael@0:     this.resizer.onmousedown = this.bound_startResizing;
michael@0: 
michael@0:     this.resizeBarV =  this.chromeDoc.createElement("box");
michael@0:     this.resizeBarV.className = "devtools-responsiveui-resizebarV";
michael@0:     this.resizeBarV.setAttribute("top", "0");
michael@0:     this.resizeBarV.setAttribute("right", "0");
michael@0:     this.resizeBarV.setAttribute("tooltiptext", resizerTooltip);
michael@0:     this.resizeBarV.onmousedown = this.bound_startResizing;
michael@0: 
michael@0:     this.resizeBarH =  this.chromeDoc.createElement("box");
michael@0:     this.resizeBarH.className = "devtools-responsiveui-resizebarH";
michael@0:     this.resizeBarH.setAttribute("bottom", "0");
michael@0:     this.resizeBarH.setAttribute("left", "0");
michael@0:     this.resizeBarH.setAttribute("tooltiptext", resizerTooltip);
michael@0:     this.resizeBarH.onmousedown = this.bound_startResizing;
michael@0: 
michael@0:     this.container.insertBefore(this.toolbar, this.stack);
michael@0:     this.stack.appendChild(this.resizer);
michael@0:     this.stack.appendChild(this.resizeBarV);
michael@0:     this.stack.appendChild(this.resizeBarH);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Build the presets list and append it to the menupopup.
michael@0:    *
michael@0:    * @param aParent menupopup.
michael@0:    */
michael@0:   registerPresets: function RUI_registerPresets(aParent) {
michael@0:     let fragment = this.chromeDoc.createDocumentFragment();
michael@0:     let doc = this.chromeDoc;
michael@0: 
michael@0:     for (let preset of this.presets) {
michael@0:       let menuitem = doc.createElement("menuitem");
michael@0:       menuitem.setAttribute("ispreset", true);
michael@0:       this.menuitems.set(menuitem, preset);
michael@0: 
michael@0:       if (preset.key === this.currentPresetKey) {
michael@0:         menuitem.setAttribute("selected", "true");
michael@0:         this.selectedItem = menuitem;
michael@0:       }
michael@0: 
michael@0:       if (preset.custom)
michael@0:         this.customMenuitem = menuitem;
michael@0: 
michael@0:       this.setMenuLabel(menuitem, preset);
michael@0:       fragment.appendChild(menuitem);
michael@0:     }
michael@0:     aParent.appendChild(fragment);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Set the menuitem label of a preset.
michael@0:    *
michael@0:    * @param aMenuitem menuitem to edit.
michael@0:    * @param aPreset associated preset.
michael@0:    */
michael@0:   setMenuLabel: function RUI_setMenuLabel(aMenuitem, aPreset) {
michael@0:     let size = Math.round(aPreset.width) + "x" + Math.round(aPreset.height);
michael@0:     if (aPreset.custom) {
michael@0:       let str = this.strings.formatStringFromName("responsiveUI.customResolution", [size], 1);
michael@0:       aMenuitem.setAttribute("label", str);
michael@0:     } else if (aPreset.name != null && aPreset.name !== "") {
michael@0:       let str = this.strings.formatStringFromName("responsiveUI.namedResolution", [size, aPreset.name], 2);
michael@0:       aMenuitem.setAttribute("label", str);
michael@0:     } else {
michael@0:       aMenuitem.setAttribute("label", size);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * When a preset is selected, apply it.
michael@0:    */
michael@0:   presetSelected: function RUI_presetSelected() {
michael@0:     if (this.menulist.selectedItem.getAttribute("ispreset") === "true") {
michael@0:       this.selectedItem = this.menulist.selectedItem;
michael@0: 
michael@0:       this.rotateValue = false;
michael@0:       let selectedPreset = this.menuitems.get(this.selectedItem);
michael@0:       this.loadPreset(selectedPreset);
michael@0:       this.currentPresetKey = selectedPreset.key;
michael@0:       this.saveCurrentPreset();
michael@0: 
michael@0:       // Update the buttons hidden status according to the new selected preset
michael@0:       if (selectedPreset == this.customPreset) {
michael@0:         this.addbutton.hidden = false;
michael@0:         this.removebutton.hidden = true;
michael@0:       } else {
michael@0:         this.addbutton.hidden = true;
michael@0:         this.removebutton.hidden = false;
michael@0:       }
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Apply a preset.
michael@0:    *
michael@0:    * @param aPreset preset to apply.
michael@0:    */
michael@0:   loadPreset: function RUI_loadPreset(aPreset) {
michael@0:     this.setSize(aPreset.width, aPreset.height);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Add a preset to the list and the memory
michael@0:    */
michael@0:   addPreset: function RUI_addPreset() {
michael@0:     let w = this.customPreset.width;
michael@0:     let h = this.customPreset.height;
michael@0:     let newName = {};
michael@0: 
michael@0:     let title = this.strings.GetStringFromName("responsiveUI.customNamePromptTitle");
michael@0:     let message = this.strings.formatStringFromName("responsiveUI.customNamePromptMsg", [w, h], 2);
michael@0:     let promptOk = Services.prompt.prompt(null, title, message, newName, null, {});
michael@0: 
michael@0:     if (!promptOk) {
michael@0:       // Prompt has been cancelled
michael@0:       let menuitem = this.customMenuitem;
michael@0:       this.menulist.selectedItem = menuitem;
michael@0:       this.currentPresetKey = this.customPreset.key;
michael@0:       return;
michael@0:     }
michael@0: 
michael@0:     let newPreset = {
michael@0:       key: w + "x" + h,
michael@0:       name: newName.value,
michael@0:       width: w,
michael@0:       height: h
michael@0:     };
michael@0: 
michael@0:     this.presets.push(newPreset);
michael@0: 
michael@0:     // Sort the presets according to width/height ascending order
michael@0:     this.presets.sort(function RUI_sortPresets(aPresetA, aPresetB) {
michael@0:       // We keep custom preset at first
michael@0:       if (aPresetA.custom && !aPresetB.custom) {
michael@0:         return 1;
michael@0:       }
michael@0:       if (!aPresetA.custom && aPresetB.custom) {
michael@0:         return -1;
michael@0:       }
michael@0: 
michael@0:       if (aPresetA.width === aPresetB.width) {
michael@0:         if (aPresetA.height === aPresetB.height) {
michael@0:           return 0;
michael@0:         } else {
michael@0:           return aPresetA.height > aPresetB.height;
michael@0:         }
michael@0:       } else {
michael@0:         return aPresetA.width > aPresetB.width;
michael@0:       }
michael@0:     });
michael@0: 
michael@0:     this.savePresets();
michael@0: 
michael@0:     let newMenuitem = this.chromeDoc.createElement("menuitem");
michael@0:     newMenuitem.setAttribute("ispreset", true);
michael@0:     this.setMenuLabel(newMenuitem, newPreset);
michael@0: 
michael@0:     this.menuitems.set(newMenuitem, newPreset);
michael@0:     let idx = this.presets.indexOf(newPreset);
michael@0:     let beforeMenuitem = this.menulist.firstChild.childNodes[idx + 1];
michael@0:     this.menulist.firstChild.insertBefore(newMenuitem, beforeMenuitem);
michael@0: 
michael@0:     this.menulist.selectedItem = newMenuitem;
michael@0:     this.currentPresetKey = newPreset.key;
michael@0:     this.saveCurrentPreset();
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * remove a preset from the list and the memory
michael@0:    */
michael@0:   removePreset: function RUI_removePreset() {
michael@0:     let selectedPreset = this.menuitems.get(this.selectedItem);
michael@0:     let w = selectedPreset.width;
michael@0:     let h = selectedPreset.height;
michael@0: 
michael@0:     this.presets.splice(this.presets.indexOf(selectedPreset), 1);
michael@0:     this.menulist.firstChild.removeChild(this.selectedItem);
michael@0:     this.menuitems.delete(this.selectedItem);
michael@0: 
michael@0:     this.customPreset.width = w;
michael@0:     this.customPreset.height = h;
michael@0:     let menuitem = this.customMenuitem;
michael@0:     this.setMenuLabel(menuitem, this.customPreset);
michael@0:     this.menulist.selectedItem = menuitem;
michael@0:     this.currentPresetKey = this.customPreset.key;
michael@0: 
michael@0:     this.setSize(w, h);
michael@0: 
michael@0:     this.savePresets();
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Swap width and height.
michael@0:    */
michael@0:   rotate: function RUI_rotate() {
michael@0:     let selectedPreset = this.menuitems.get(this.selectedItem);
michael@0:     let width = this.rotateValue ? selectedPreset.height : selectedPreset.width;
michael@0:     let height = this.rotateValue ? selectedPreset.width : selectedPreset.height;
michael@0: 
michael@0:     this.setSize(height, width);
michael@0: 
michael@0:     if (selectedPreset.custom) {
michael@0:       this.saveCustomSize();
michael@0:     } else {
michael@0:       this.rotateValue = !this.rotateValue;
michael@0:       this.saveCurrentPreset();
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Take a screenshot of the page.
michael@0:    *
michael@0:    * @param aFileName name of the screenshot file (used for tests).
michael@0:    */
michael@0:   screenshot: function RUI_screenshot(aFileName) {
michael@0:     let window = this.browser.contentWindow;
michael@0:     let document = window.document;
michael@0:     let canvas = this.chromeDoc.createElementNS("http://www.w3.org/1999/xhtml", "canvas");
michael@0: 
michael@0:     let width = window.innerWidth;
michael@0:     let height = window.innerHeight;
michael@0: 
michael@0:     canvas.width = width;
michael@0:     canvas.height = height;
michael@0: 
michael@0:     let ctx = canvas.getContext("2d");
michael@0:     ctx.drawWindow(window, window.scrollX, window.scrollY, width, height, "#fff");
michael@0: 
michael@0:     let filename = aFileName;
michael@0: 
michael@0:     if (!filename) {
michael@0:       let date = new Date();
michael@0:       let month = ("0" + (date.getMonth() + 1)).substr(-2, 2);
michael@0:       let day = ("0" + (date.getDay() + 1)).substr(-2, 2);
michael@0:       let dateString = [date.getFullYear(), month, day].join("-");
michael@0:       let timeString = date.toTimeString().replace(/:/g, ".").split(" ")[0];
michael@0:       filename = this.strings.formatStringFromName("responsiveUI.screenshotGeneratedFilename", [dateString, timeString], 2);
michael@0:     }
michael@0: 
michael@0:     canvas.toBlob(blob => {
michael@0:       let chromeWindow = this.chromeDoc.defaultView;
michael@0:       let url = chromeWindow.URL.createObjectURL(blob);
michael@0:       chromeWindow.saveURL(url, filename + ".png", null, true, true, document.documentURIObject, document);
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Enable/Disable mouse -> touch events translation.
michael@0:    */
michael@0:    enableTouch: function RUI_enableTouch() {
michael@0:      if (!this.touchEventHandler.enabled) {
michael@0:        let isReloadNeeded = this.touchEventHandler.start();
michael@0:        this.touchbutton.setAttribute("checked", "true");
michael@0:        return isReloadNeeded;
michael@0:      }
michael@0:      return false;
michael@0:    },
michael@0: 
michael@0:    disableTouch: function RUI_disableTouch() {
michael@0:      if (this.touchEventHandler.enabled) {
michael@0:        this.touchEventHandler.stop();
michael@0:        this.touchbutton.removeAttribute("checked");
michael@0:      }
michael@0:    },
michael@0: 
michael@0:    hideTouchNotification: function RUI_hideTouchNotification() {
michael@0:      let nbox = this.mainWindow.gBrowser.getNotificationBox(this.browser);
michael@0:      let n = nbox.getNotificationWithValue("responsive-ui-need-reload");
michael@0:      if (n) {
michael@0:        n.close();
michael@0:      }
michael@0:    },
michael@0: 
michael@0:    toggleTouch: function RUI_toggleTouch() {
michael@0:      this.hideTouchNotification();
michael@0:      if (this.touchEventHandler.enabled) {
michael@0:        this.disableTouch();
michael@0:      } else {
michael@0:        let isReloadNeeded = this.enableTouch();
michael@0:        if (isReloadNeeded) {
michael@0:          if (Services.prefs.getBoolPref("devtools.responsiveUI.no-reload-notification")) {
michael@0:            return;
michael@0:          }
michael@0: 
michael@0:          let nbox = this.mainWindow.gBrowser.getNotificationBox(this.browser);
michael@0: 
michael@0:          var buttons = [{
michael@0:            label: this.strings.GetStringFromName("responsiveUI.notificationReload"),
michael@0:            callback: () => {
michael@0:              this.browser.reload();
michael@0:            },
michael@0:            accessKey: this.strings.GetStringFromName("responsiveUI.notificationReload_accesskey"),
michael@0:          }, {
michael@0:            label: this.strings.GetStringFromName("responsiveUI.dontShowReloadNotification"),
michael@0:            callback: function() {
michael@0:              Services.prefs.setBoolPref("devtools.responsiveUI.no-reload-notification", true);
michael@0:            },
michael@0:            accessKey: this.strings.GetStringFromName("responsiveUI.dontShowReloadNotification_accesskey"),
michael@0:          }];
michael@0: 
michael@0:          nbox.appendNotification(
michael@0:            this.strings.GetStringFromName("responsiveUI.needReload"),
michael@0:            "responsive-ui-need-reload",
michael@0:            null,
michael@0:            nbox.PRIORITY_INFO_LOW,
michael@0:            buttons);
michael@0:        }
michael@0:      }
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Change the size of the browser.
michael@0:    *
michael@0:    * @param aWidth width of the browser.
michael@0:    * @param aHeight height of the browser.
michael@0:    */
michael@0:   setSize: function RUI_setSize(aWidth, aHeight) {
michael@0:     aWidth = Math.min(Math.max(aWidth, MIN_WIDTH), MAX_WIDTH);
michael@0:     aHeight = Math.min(Math.max(aHeight, MIN_HEIGHT), MAX_HEIGHT);
michael@0: 
michael@0:     // We resize the containing stack.
michael@0:     let style = "max-width: %width;" +
michael@0:                 "min-width: %width;" +
michael@0:                 "max-height: %height;" +
michael@0:                 "min-height: %height;";
michael@0: 
michael@0:     style = style.replace(/%width/g, aWidth + "px");
michael@0:     style = style.replace(/%height/g, aHeight + "px");
michael@0: 
michael@0:     this.stack.setAttribute("style", style);
michael@0: 
michael@0:     if (!this.ignoreY)
michael@0:       this.resizeBarV.setAttribute("top", Math.round(aHeight / 2));
michael@0:     if (!this.ignoreX)
michael@0:       this.resizeBarH.setAttribute("left", Math.round(aWidth / 2));
michael@0: 
michael@0:     let selectedPreset = this.menuitems.get(this.selectedItem);
michael@0: 
michael@0:     // We uptate the custom menuitem if we are using it
michael@0:     if (selectedPreset.custom) {
michael@0:       selectedPreset.width = aWidth;
michael@0:       selectedPreset.height = aHeight;
michael@0: 
michael@0:       this.setMenuLabel(this.selectedItem, selectedPreset);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Start the process of resizing the browser.
michael@0:    *
michael@0:    * @param aEvent
michael@0:    */
michael@0:   startResizing: function RUI_startResizing(aEvent) {
michael@0:     let selectedPreset = this.menuitems.get(this.selectedItem);
michael@0: 
michael@0:     if (!selectedPreset.custom) {
michael@0:       this.customPreset.width = this.rotateValue ? selectedPreset.height : selectedPreset.width;
michael@0:       this.customPreset.height = this.rotateValue ? selectedPreset.width : selectedPreset.height;
michael@0: 
michael@0:       let menuitem = this.customMenuitem;
michael@0:       this.setMenuLabel(menuitem, this.customPreset);
michael@0: 
michael@0:       this.currentPresetKey = this.customPreset.key;
michael@0:       this.menulist.selectedItem = menuitem;
michael@0:     }
michael@0:     this.mainWindow.addEventListener("mouseup", this.bound_stopResizing, true);
michael@0:     this.mainWindow.addEventListener("mousemove", this.bound_onDrag, true);
michael@0:     this.container.style.pointerEvents = "none";
michael@0: 
michael@0:     this._resizing = true;
michael@0:     this.stack.setAttribute("notransition", "true");
michael@0: 
michael@0:     this.lastScreenX = aEvent.screenX;
michael@0:     this.lastScreenY = aEvent.screenY;
michael@0: 
michael@0:     this.ignoreY = (aEvent.target === this.resizeBarV);
michael@0:     this.ignoreX = (aEvent.target === this.resizeBarH);
michael@0: 
michael@0:     this.isResizing = true;
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Resizing on mouse move.
michael@0:    *
michael@0:    * @param aEvent
michael@0:    */
michael@0:   onDrag: function RUI_onDrag(aEvent) {
michael@0:     let shift = aEvent.shiftKey;
michael@0:     let ctrl = !aEvent.shiftKey && aEvent.ctrlKey;
michael@0: 
michael@0:     let screenX = aEvent.screenX;
michael@0:     let screenY = aEvent.screenY;
michael@0: 
michael@0:     let deltaX = screenX - this.lastScreenX;
michael@0:     let deltaY = screenY - this.lastScreenY;
michael@0: 
michael@0:     if (this.ignoreY)
michael@0:       deltaY = 0;
michael@0:     if (this.ignoreX)
michael@0:       deltaX = 0;
michael@0: 
michael@0:     if (ctrl) {
michael@0:       deltaX /= SLOW_RATIO;
michael@0:       deltaY /= SLOW_RATIO;
michael@0:     }
michael@0: 
michael@0:     let width = this.customPreset.width + deltaX;
michael@0:     let height = this.customPreset.height + deltaY;
michael@0: 
michael@0:     if (shift) {
michael@0:       let roundedWidth, roundedHeight;
michael@0:       roundedWidth = 10 * Math.floor(width / ROUND_RATIO);
michael@0:       roundedHeight = 10 * Math.floor(height / ROUND_RATIO);
michael@0:       screenX += roundedWidth - width;
michael@0:       screenY += roundedHeight - height;
michael@0:       width = roundedWidth;
michael@0:       height = roundedHeight;
michael@0:     }
michael@0: 
michael@0:     if (width < MIN_WIDTH) {
michael@0:         width = MIN_WIDTH;
michael@0:     } else {
michael@0:         this.lastScreenX = screenX;
michael@0:     }
michael@0: 
michael@0:     if (height < MIN_HEIGHT) {
michael@0:         height = MIN_HEIGHT;
michael@0:     } else {
michael@0:         this.lastScreenY = screenY;
michael@0:     }
michael@0: 
michael@0:     this.setSize(width, height);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Stop End resizing
michael@0:    */
michael@0:   stopResizing: function RUI_stopResizing() {
michael@0:     this.container.style.pointerEvents = "auto";
michael@0: 
michael@0:     this.mainWindow.removeEventListener("mouseup", this.bound_stopResizing, true);
michael@0:     this.mainWindow.removeEventListener("mousemove", this.bound_onDrag, true);
michael@0: 
michael@0:     this.saveCustomSize();
michael@0: 
michael@0:     delete this._resizing;
michael@0:     if (this.transitionsEnabled) {
michael@0:       this.stack.removeAttribute("notransition");
michael@0:     }
michael@0:     this.ignoreY = false;
michael@0:     this.ignoreX = false;
michael@0:     this.isResizing = false;
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Store the custom size as a pref.
michael@0:    */
michael@0:    saveCustomSize: function RUI_saveCustomSize() {
michael@0:      Services.prefs.setIntPref("devtools.responsiveUI.customWidth", this.customPreset.width);
michael@0:      Services.prefs.setIntPref("devtools.responsiveUI.customHeight", this.customPreset.height);
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Store the current preset as a pref.
michael@0:    */
michael@0:    saveCurrentPreset: function RUI_saveCurrentPreset() {
michael@0:      Services.prefs.setCharPref("devtools.responsiveUI.currentPreset", this.currentPresetKey);
michael@0:      Services.prefs.setBoolPref("devtools.responsiveUI.rotate", this.rotateValue);
michael@0:    },
michael@0: 
michael@0:   /**
michael@0:    * Store the list of all registered presets as a pref.
michael@0:    */
michael@0:   savePresets: function RUI_savePresets() {
michael@0:     // We exclude the custom one
michael@0:     let registeredPresets = this.presets.filter(function (aPreset) {
michael@0:       return !aPreset.custom;
michael@0:     });
michael@0: 
michael@0:     Services.prefs.setCharPref("devtools.responsiveUI.presets", JSON.stringify(registeredPresets));
michael@0:   },
michael@0: }
michael@0: 
michael@0: XPCOMUtils.defineLazyGetter(ResponsiveUI.prototype, "strings", function () {
michael@0:   return Services.strings.createBundle("chrome://browser/locale/devtools/responsiveUI.properties");
michael@0: });