mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
980 lines
33 KiB
XML
980 lines
33 KiB
XML
<?xml version="1.0"?>
|
|
<!DOCTYPE bindings PUBLIC "-//MOZILLA//DTD XBL V1.0//EN" "http://www.mozilla.org/xbl">
|
|
|
|
<bindings
|
|
xmlns="http://www.mozilla.org/xbl"
|
|
xmlns:xbl="http://www.mozilla.org/xbl"
|
|
xmlns:html="http://www.w3.org/1999/xhtml"
|
|
xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
|
|
|
|
<binding id="deckbrowser">
|
|
<content>
|
|
<xul:vbox class="tab-list-container" collapsed="true">
|
|
<xul:richlistbox anonid="tab-list" class="tab-list"
|
|
onselect="this.parentNode.parentNode.selectTab(this.selectedItem)"/>
|
|
<xul:button class="newtab-button" label="+" xbl:inherits="oncommand=onnewtab"/>
|
|
</xul:vbox>
|
|
<xul:deck flex="1" selectedIndex="0">
|
|
<xul:stack anonid="cstack" flex="1" style="overflow: hidden;">
|
|
<html:canvas anonid="ccanvas"
|
|
moz-opaque="true"
|
|
style="-moz-stack-sizing: ignore;"/>
|
|
</xul:stack>
|
|
<xul:deck anonid="display-list" flex="1"/>
|
|
</xul:deck>
|
|
</content>
|
|
|
|
<resources>
|
|
<stylesheet src="chrome://global/content/deckbrowser.css"/>
|
|
</resources>
|
|
|
|
<implementation implements="nsIObserver">
|
|
<constructor>
|
|
this._zoomLevel = 1;
|
|
|
|
// panning
|
|
this._stack.addEventListener("mousedown", this.stackEventHandler, true);
|
|
// need mouseup handled on the window to catch mouseups on e.g. the toolbar
|
|
window.addEventListener("mouseup", this.stackEventHandler, true);
|
|
this._stack.addEventListener("mousemove", this.stackEventHandler, true);
|
|
|
|
// zoom
|
|
// FIXME: dblclicks don't work on the device
|
|
// this._stack.addEventListener("dblclick", this.stackEventHandler, true);
|
|
this._stack.addEventListener("DOMMouseScroll", this.stackEventHandler, true);
|
|
|
|
var self = this;
|
|
var obs = Components.classes["@mozilla.org/observer-service;1"].
|
|
getService(Components.interfaces.nsIObserverService);
|
|
obs.addObserver(function(subject, topic, data) self.destroyEarliestBrowser(),
|
|
"memory-pressure", false);
|
|
|
|
this._dragStartTimeout = -1;
|
|
</constructor>
|
|
|
|
<field name="dragData">
|
|
({
|
|
dragging: false,
|
|
dragX: 0,
|
|
dragY: 0,
|
|
sX: 0,
|
|
sY: 0,
|
|
pageX: 0,
|
|
pageY: 0,
|
|
oldPageX: 0,
|
|
oldPageY: 0
|
|
})
|
|
</field>
|
|
|
|
<field name="_stack">
|
|
document.getAnonymousElementByAttribute(this, "anonid", "cstack");
|
|
</field>
|
|
|
|
<field name="_canvas">
|
|
document.getAnonymousElementByAttribute(this, "anonid", "ccanvas");
|
|
</field>
|
|
|
|
<property name="browser" readonly="true">
|
|
<getter>
|
|
<![CDATA[
|
|
return this.getBrowserForDisplay(this.displayList.selectedPanel);
|
|
]]>
|
|
</getter>
|
|
</property>
|
|
|
|
<property name="displayList" readonly="true">
|
|
<getter>
|
|
return document.getAnonymousElementByAttribute(this, "anonid", "display-list");
|
|
</getter>
|
|
</property>
|
|
|
|
<property name="tabList" readonly="true">
|
|
<getter>
|
|
return document.getAnonymousElementByAttribute(this, "anonid", "tab-list");
|
|
</getter>
|
|
</property>
|
|
|
|
<property name="tabListVisible" onget="return !this.tabList.parentNode.collapsed"
|
|
onset="this.tabList.parentNode.collapsed = !val; return val;"/>
|
|
|
|
<field name="progressListenerCreator"/>
|
|
|
|
<method name="updateCanvasState">
|
|
<parameter name="aNewDoc"/>
|
|
<body><![CDATA[
|
|
if (aNewDoc)
|
|
this._updateViewState();
|
|
|
|
if (this._updateTimeout)
|
|
clearTimeout(this._updateTimeout);
|
|
|
|
var self = this;
|
|
this._updateTimeout = setTimeout(function () {
|
|
if (!self.dragData.dragging)
|
|
self._browserToCanvas();
|
|
}, 100);
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_updateViewState">
|
|
<body><![CDATA[
|
|
// Reset the pan data.
|
|
this.dragData.pageX = 0;
|
|
this.dragData.pageY = 0;
|
|
|
|
this._zoomed = false;
|
|
|
|
this.zoomToPage();
|
|
]]></body>
|
|
</method>
|
|
|
|
<field name="currentTab"/>
|
|
|
|
<method name="getDisplayForTab">
|
|
<parameter name="tab"/>
|
|
<body><![CDATA[
|
|
var tabList = this.tabList.childNodes;
|
|
for (var t = 0; t < tabList.length; t++) {
|
|
if (tab == tabList[t])
|
|
return this.displayList.childNodes[t];
|
|
}
|
|
|
|
return null;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="getTabForDisplay">
|
|
<parameter name="display"/>
|
|
<body><![CDATA[
|
|
var displayList = this.displayList.childNodes;
|
|
for (var t = 0; t < displayList.length; t++) {
|
|
if (display == displayList[t])
|
|
return this.tabList.childNodes[t];
|
|
}
|
|
|
|
return null;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="getBrowserForDisplay">
|
|
<parameter name="display"/>
|
|
<body><![CDATA[
|
|
if (!display)
|
|
return null;
|
|
|
|
var browser = display.firstChild;
|
|
if (browser && browser.localName == "browser")
|
|
return browser;
|
|
|
|
browser = display.lastChild;
|
|
return (browser && browser.localName == "browser") ? browser : null;
|
|
]]>
|
|
</body>
|
|
</method>
|
|
|
|
<method name="updateBrowser">
|
|
<parameter name="browser"/>
|
|
<parameter name="done"/>
|
|
<body><![CDATA[
|
|
var display = browser.parentNode;
|
|
var domWin = browser.contentWindow;
|
|
display.url = domWin.location.toString();
|
|
|
|
if (!done || domWin.location == "about:blank")
|
|
return;
|
|
|
|
this.restoreBrowserState(display);
|
|
|
|
var tab = this.getTabForDisplay(display);
|
|
if (tab) {
|
|
tab.updateTab(browser);
|
|
|
|
var canvas = display.firstChild;
|
|
if (canvas.localName == "canvas")
|
|
display.removeChild(canvas);
|
|
}
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="selectTab">
|
|
<parameter name="tab"/>
|
|
<body><![CDATA[
|
|
var currentTab = this.currentTab;
|
|
this.currentTab = tab;
|
|
|
|
if (currentTab) {
|
|
var currentDisplay = this.getDisplayForTab(currentTab);
|
|
var currentBrowser = this.getBrowserForDisplay(currentDisplay);
|
|
if (currentBrowser) {
|
|
currentDisplay.url = currentBrowser.contentWindow.location.toString();
|
|
currentBrowser.setAttribute("type", "content");
|
|
currentTab.updateTab(currentBrowser);
|
|
}
|
|
}
|
|
|
|
var display = this.getDisplayForTab(tab);
|
|
var browser = this.getBrowserForDisplay(display);
|
|
if (!browser) {
|
|
browser = this.createBrowser(true, tab, display);
|
|
browser.loadURI(display.url, null, null, false);
|
|
}
|
|
display.lastAccess = Date.now();
|
|
|
|
browser.setAttribute("type", "content-primary");
|
|
this.displayList.selectedPanel = display;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="newTab">
|
|
<parameter name="makeFront"/>
|
|
<body><![CDATA[
|
|
var browser = this.createBrowser(makeFront, null, null);
|
|
return browser ? this.getTabForDisplay(browser.parentNode) : null;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="removeTab">
|
|
<parameter name="tab"/>
|
|
<body><![CDATA[
|
|
if (!tab)
|
|
return;
|
|
|
|
var display = this.getDisplayForTab(tab);
|
|
if (display)
|
|
display.removeChild(display);
|
|
tab.parentNode.removeChild(tab);
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="createBrowser">
|
|
<parameter name="makeFront"/>
|
|
<parameter name="tab"/>
|
|
<parameter name="display"/>
|
|
<body><![CDATA[
|
|
const XUL_NS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
|
|
|
|
var browser = document.createElementNS(XUL_NS, "browser");
|
|
browser.className = "deckbrowser-browser";
|
|
browser.setAttribute("style", "overflow: hidden");
|
|
browser.setAttribute("contextmenu", this.getAttribute("contextmenu"));
|
|
browser.setAttribute("autocompletepopup", this.getAttribute("autocompletepopup"));
|
|
browser.flex = 1;
|
|
|
|
if (makeFront)
|
|
browser.setAttribute("type", "content-primary");
|
|
else
|
|
browser.setAttribute("type", "content");
|
|
|
|
var nextDisplay;
|
|
var displayList = this.displayList;
|
|
if (tab) {
|
|
var nextTab = tab.nextSibling;
|
|
if (nextTab)
|
|
nextDisplay = this.getDisplayForTab(nextTab);
|
|
}
|
|
|
|
if (!display) {
|
|
display = document.createElementNS(XUL_NS, "deck");
|
|
displayList.insertBefore(display, nextDisplay);
|
|
}
|
|
display.appendChild(browser);
|
|
display.selectedIndex = 0;
|
|
|
|
if (this.progressListenerCreator) {
|
|
var listener = this.progressListenerCreator(this, browser);
|
|
browser.addProgressListener(listener);
|
|
display.progressListener = listener;
|
|
}
|
|
|
|
if (!tab) {
|
|
tab = document.createElementNS(XUL_NS, "richlistitem");
|
|
tab.setAttribute("type", "documenttab");
|
|
this.tabList.appendChild(tab);
|
|
}
|
|
|
|
if (tab == this.tabList.selectedItem) {
|
|
// already selected, but need to update the selected panel
|
|
display.lastAccess = Date.now();
|
|
displayList.selectedPanel = display;
|
|
}
|
|
else if (makeFront) {
|
|
this.tabList.selectedItem = tab;
|
|
}
|
|
|
|
return browser;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="destroyBrowser">
|
|
<parameter name="browser"/>
|
|
<body><![CDATA[
|
|
if (!browser || browser == this.browser)
|
|
return;
|
|
|
|
var display = browser.parentNode;
|
|
this.saveBrowserState(display);
|
|
|
|
var domWin = browser.contentWindow;
|
|
|
|
var tab = this.getTabForDisplay(display);
|
|
if (tab)
|
|
tab.markInvalid();
|
|
|
|
const XHTML_NS = "http://www.w3.org/1999/xhtml";
|
|
var canvas = document.createElementNS(XHTML_NS, "canvas");
|
|
canvas.setAttribute("width", domWin.innerWidth);
|
|
canvas.setAttribute("height", domWin.innerHeight);
|
|
|
|
var ctx = canvas.getContext("2d");
|
|
ctx.drawWindow(domWin, 0, 0, domWin.innerWidth, domWin.innerHeight, "rgba(0,0,0,0)");
|
|
display.insertBefore(canvas, display.firstChild);
|
|
|
|
display.lastAccess = Date.now();
|
|
display.progressListener = null;
|
|
display.removeChild(browser);
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="destroyEarliestBrowser">
|
|
<body><![CDATA[
|
|
var earliestBrowser = null;
|
|
var earliest = Date.now();
|
|
var displayList = this.displayList.childNodes;
|
|
for (var t = 0; t < displayList.length; t++) {
|
|
var display = displayList[t];
|
|
var browser = this.getBrowserForDisplay(display);
|
|
if (browser &&
|
|
display != this.displayList.selectedItem &&
|
|
display.lastAccess < earliest) {
|
|
earliestBrowser = browser;
|
|
earliest = display.lastAccess;
|
|
}
|
|
}
|
|
|
|
if (earliestBrowser)
|
|
this.destroyBrowser(earliestBrowser);
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="saveBrowserState">
|
|
<parameter name="display"/>
|
|
<body><![CDATA[
|
|
var state = { };
|
|
|
|
var browser = this.getBrowserForDisplay(display);
|
|
var doc = browser.contentDocument;
|
|
if (doc instanceof HTMLDocument) {
|
|
var tags = ["input", "textarea", "select"];
|
|
|
|
for (var t = 0; t < tags.length; t++) {
|
|
var elements = doc.getElementsByTagName(tags[t]);
|
|
for (var e = 0; e < elements.length; e++) {
|
|
var element = elements[e];
|
|
var id;
|
|
if (element.id)
|
|
id = "#" + element.id;
|
|
else if (element.name)
|
|
id = "$" + element.name;
|
|
|
|
if (id)
|
|
state[id] = element.value;
|
|
}
|
|
}
|
|
}
|
|
|
|
state._scrollX = window.scrollX;
|
|
state._scrollY = window.scrollY;
|
|
|
|
display.state = state;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="restoreBrowserState">
|
|
<parameter name="display"/>
|
|
<body><![CDATA[
|
|
var state = display.state;
|
|
if (!state)
|
|
return;
|
|
|
|
var browser = this.getBrowserForDisplay(display);
|
|
var doc = browser.contentDocument;
|
|
for (item in state) {
|
|
var elem = null;
|
|
if (item.charAt(0) == "#") {
|
|
elem = doc.getElementById(item.substring(1));
|
|
}
|
|
else if (item.charAt(0) == "$") {
|
|
var list = doc.getElementsByName(item.substring(1));
|
|
if (list.length)
|
|
elem = list[0];
|
|
}
|
|
|
|
if (elem)
|
|
elem.value = state[item];
|
|
}
|
|
|
|
this.browser.contentWindow.scrollTo(state._scrollX, state._scrollY);
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_browserToCanvas">
|
|
<body><![CDATA[
|
|
// FIXME: canvas needs to know it's actual width/height
|
|
var rect = this._canvas.getBoundingClientRect();
|
|
var w = rect.right - rect.left;
|
|
var h = rect.bottom - rect.top;
|
|
this._canvas.width = w;
|
|
this._canvas.height = h;
|
|
|
|
var ctx = this._canvas.getContext("2d");
|
|
|
|
ctx.clearRect(0,0,w,h);
|
|
|
|
ctx.save();
|
|
ctx.scale(this._zoomLevel, this._zoomLevel);
|
|
ctx.drawWindow(this.browser.contentWindow,
|
|
this.dragData.pageX, this.dragData.pageY,
|
|
w / this._zoomLevel, h / this._zoomLevel,
|
|
"white");
|
|
ctx.restore();
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_updateCanvasPosition">
|
|
<body><![CDATA[
|
|
this._canvas.style.marginLeft = this.dragData.dragX + "px";
|
|
this._canvas.style.marginRight = -this.dragData.dragX + "px";
|
|
this._canvas.style.marginTop = this.dragData.dragY + "px";
|
|
this._canvas.style.marginBottom = -this.dragData.dragY + "px";
|
|
|
|
// Force a sync redraw
|
|
window.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
|
|
.getInterface(Components.interfaces.nsIDOMWindowUtils)
|
|
.redraw();
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_clampZoomLevel">
|
|
<parameter name="aZoomLevel"/>
|
|
<body><![CDATA[
|
|
const min = 0.2;
|
|
const max = 2.0;
|
|
|
|
return Math.min(Math.max(min, aZoomLevel), max);
|
|
]]></body>
|
|
</method>
|
|
|
|
<property name="zoomLevel" onget="return this._zoomLevel;">
|
|
<setter><![CDATA[
|
|
this._zoomLevel = this._clampZoomLevel(val);
|
|
|
|
this._browserToCanvas();
|
|
|
|
return val;
|
|
]]></setter>
|
|
</property>
|
|
|
|
<method name="zoom">
|
|
<parameter name="aDirection"/>
|
|
<body><![CDATA[
|
|
if (aDirection == 0)
|
|
return;
|
|
|
|
var zoomDelta = 0.05; // 1/20
|
|
if (aDirection >= 0)
|
|
zoomDelta *= -1;
|
|
|
|
this._zoomLevel = this._clampZoomLevel(this._zoomLevel + zoomDelta);
|
|
|
|
this._browserToCanvas();
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="zoomToPage">
|
|
<body><![CDATA[
|
|
// Adjust the zoomLevel to fit the page contents in our window
|
|
// width
|
|
var [contentWidth, ] = this._contentAreaDimensions;
|
|
var canvasRect = this._canvas.getBoundingClientRect();
|
|
var canvasWidth = canvasRect.right - canvasRect.left;
|
|
|
|
if (contentWidth)
|
|
this._zoomLevel = canvasWidth / contentWidth;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="zoomToElement">
|
|
<parameter name="aElement"/>
|
|
<body><![CDATA[
|
|
const margin = 15;
|
|
|
|
// scale to the element's width
|
|
var elRect = this._getPagePosition(aElement);
|
|
this._zoomLevel = Math.max((this.browser.boxObject.width) / (elRect.width + (2 * margin)),
|
|
2);
|
|
|
|
// pan to the element
|
|
this._panTo(Math.max(elRect.x - margin, 0),
|
|
Math.max(0, elRect.y - margin));
|
|
]]></body>
|
|
</method>
|
|
|
|
/**
|
|
* Retrieve the content element for a given point (relative to the top
|
|
* left corner of the browser window).
|
|
*/
|
|
<method name="elementFromPoint">
|
|
<parameter name="aX"/>
|
|
<parameter name="aY"/>
|
|
<body><![CDATA[
|
|
var cdoc = this.browser.contentDocument;
|
|
|
|
// Need to adjust for the toolbar height, etc.
|
|
var browserTop = this.browser.getBoundingClientRect().top;
|
|
|
|
// Scroll the browser so that elementFromPoint works properly
|
|
var [pageOffsetX, pageOffsetY] = this._scrollAndGetOffset();
|
|
|
|
var element = cdoc.elementFromPoint((aX / this._zoomLevel) + pageOffsetX,
|
|
(aY / this._zoomLevel) + pageOffsetY - browserTop);
|
|
|
|
// Reset scroll state
|
|
this.browser.contentWindow.scrollTo(0, 0);
|
|
|
|
return element;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_getPagePosition">
|
|
<parameter name="aElement"/>
|
|
<body><![CDATA[
|
|
var r = aElement.getBoundingClientRect();
|
|
var retVal = {
|
|
width: r.right - r.left,
|
|
height: r.bottom - r.top,
|
|
x: r.left,
|
|
y: r.top
|
|
};
|
|
|
|
return retVal;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_scrollAndGetOffset">
|
|
<parameter name="aX"/>
|
|
<parameter name="aY"/>
|
|
<body><![CDATA[
|
|
var cwin = this.browser.contentWindow;
|
|
cwin.scrollTo(this.dragData.pageX, this.dragData.pageY);
|
|
|
|
// Might not have been able to scroll all the way if we're zoomed in,
|
|
// the caller might need to account for that difference.
|
|
var pageOffsetX = this.dragData.pageX - cwin.scrollX;
|
|
var pageOffsetY = this.dragData.pageY - cwin.scrollY;
|
|
|
|
return [pageOffsetX, pageOffsetY];
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_redispatchMouseEvent">
|
|
<parameter name="aEvent"/>
|
|
<parameter name="aType"/>
|
|
<body><![CDATA[
|
|
if (!(aEvent instanceof MouseEvent)) {
|
|
Components.utils.reportError("_redispatchMouseEvent called with a non-mouse event");
|
|
return;
|
|
}
|
|
|
|
// Scroll the browser so that the event is targeted properly
|
|
var [pageOffsetX, pageOffsetY] = this._scrollAndGetOffset();
|
|
|
|
// Need to adjust for the toolbar height, etc.
|
|
var browserTop = this.browser.getBoundingClientRect().top;
|
|
var clickOffsetX = aEvent.clientX / this._zoomLevel;
|
|
var clickOffsetY = (aEvent.clientY - browserTop) / this._zoomLevel;
|
|
|
|
var cwin = this.browser.contentWindow;
|
|
var cwu = cwin.QueryInterface(Components.interfaces.nsIInterfaceRequestor)
|
|
.getInterface(Components.interfaces.nsIDOMWindowUtils);
|
|
cwu.sendMouseEvent(aType || aEvent.type,
|
|
pageOffsetX + clickOffsetX,
|
|
pageOffsetY + clickOffsetY,
|
|
aEvent.button || 0,
|
|
aEvent.detail || 1,
|
|
0);
|
|
|
|
// Reset scroll state
|
|
cwin.scrollTo(0, 0);
|
|
]]></body>
|
|
</method>
|
|
|
|
<property name="_contentAreaDimensions" readonly="true">
|
|
<getter>
|
|
var cdoc = this.browser.contentDocument;
|
|
|
|
// Return the document width/height for XUL documents (which is
|
|
// essentially the same as the viewport width/height).
|
|
if (cdoc instanceof XULDocument)
|
|
return [cdoc.width, cdoc.height];
|
|
|
|
// These might not exist yet depending on page load state
|
|
var body = cdoc.body || {};
|
|
var html = cdoc.documentElement || {};
|
|
|
|
var w = Math.max(body.scrollWidth, html.scrollWidth);
|
|
var h = Math.max(body.scrollHeight, html.scrollHeight);
|
|
|
|
if (isNaN(w) || isNaN(h))
|
|
throw "Can't get content width/height";
|
|
|
|
return [w, h];
|
|
</getter>
|
|
</property>
|
|
|
|
<property name="_effectiveCanvasDimensions" readonly="true">
|
|
<getter><![CDATA[
|
|
return [this._canvas.width / this._zoomLevel,
|
|
this._canvas.height / this._zoomLevel];
|
|
]]></getter>
|
|
</property>
|
|
|
|
<field name="_fireOverpan">
|
|
0
|
|
</field>
|
|
|
|
/**
|
|
* Given a set of page coordinates, constrain them such that they
|
|
* fit within the rect defined by [0,0] and [x,y], where x and y are
|
|
* the maximum values that can be used for the canvas' .top and .left
|
|
* such that it is still within the scrollable area of the page, taking
|
|
* into account the current zoomLevel.
|
|
*/
|
|
<method name="_constrainPanCoords">
|
|
<parameter name="aX"/>
|
|
<parameter name="aY"/>
|
|
<body><![CDATA[
|
|
const OVERPAN_LIMIT = 30;
|
|
const OVERPAN_LEFT = 1;
|
|
const OVERPAN_RIGHT = 2;
|
|
const OVERPAN_TOP = 3;
|
|
const OVERPAN_BOTTOM = 4;
|
|
|
|
var origX = aX;
|
|
var origY = aY;
|
|
|
|
var [contentAreaWidth, contentAreaHeight] = this._contentAreaDimensions;
|
|
var [canvasW, canvasH] = this._effectiveCanvasDimensions;
|
|
|
|
var offscreenWidth = contentAreaWidth - canvasW;
|
|
if (offscreenWidth <= 0) {
|
|
// Content is narrower than viewport, no need to pan horizontally
|
|
aX = 0;
|
|
|
|
// Check for an overpan
|
|
if (origX < -OVERPAN_LIMIT)
|
|
this._fireOverpan = OVERPAN_LEFT;
|
|
else if (origX > OVERPAN_LIMIT)
|
|
this._fireOverpan = OVERPAN_RIGHT;
|
|
} else {
|
|
var newPageX = Math.min(this.dragData.pageX + aX, offscreenWidth);
|
|
newPageX = Math.max(newPageX, 0);
|
|
aX = newPageX - this.dragData.pageX;
|
|
|
|
// Check for an overpan
|
|
if (origX < -OVERPAN_LIMIT && aX <= 0 && newPageX == 0)
|
|
this._fireOverpan = OVERPAN_LEFT;
|
|
else if (origX > OVERPAN_LIMIT && aX >= 0 && (offscreenWidth - newPageX) == 0)
|
|
this._fireOverpan = OVERPAN_RIGHT;
|
|
}
|
|
|
|
var offscreenHeight = contentAreaHeight - canvasH;
|
|
if (offscreenHeight <= 0) {
|
|
// Content is shorter than viewport, no need to pan vertically
|
|
aY = 0;
|
|
|
|
// Check for an overpan
|
|
if (origY < -OVERPAN_LIMIT)
|
|
this._fireOverpan = OVERPAN_TOP;
|
|
else if (origY > OVERPAN_LIMIT)
|
|
this._fireOverpan = OVERPAN_BOTTOM;
|
|
} else {
|
|
// min of 0, max of contentAreaHeight - canvasHeight
|
|
var newPageY = Math.min(this.dragData.pageY + aY, offscreenHeight);
|
|
newPageY = Math.max(newPageY, 0);
|
|
aY = newPageY - this.dragData.pageY;
|
|
|
|
// Check for an overpan
|
|
if (origY < -OVERPAN_LIMIT && aY <= 0 && newPageY == 0)
|
|
this._fireOverpan = OVERPAN_TOP;
|
|
else if (origY > OVERPAN_LIMIT && aY >= 0 && (offscreenHeight - newPageY) == 0)
|
|
this._fireOverpan = OVERPAN_BOTTOM;
|
|
}
|
|
|
|
return [aX, aY];
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_moveCanvas">
|
|
<parameter name="aDx"/>
|
|
<parameter name="aDy"/>
|
|
<body><![CDATA[
|
|
// constrain offsets to the actual scrollWidth/scrollHeight
|
|
var [x, y] = this._constrainPanCoords(aDx, aDy);
|
|
|
|
// Canvas needs to move up for content to scroll down
|
|
this.dragData.dragX = -x;
|
|
this.dragData.dragY = -y;
|
|
|
|
this._updateCanvasPosition();
|
|
]]></body>
|
|
</method>
|
|
|
|
<!-- Pans directly to a given X/Y (in page coordinates) -->
|
|
<method name="_panTo">
|
|
<parameter name="aX"/>
|
|
<parameter name="aY"/>
|
|
<body><![CDATA[
|
|
var [deltaX, deltaY] = this._constrainPanCoords(aX - this.dragData.pageX,
|
|
aY - this.dragData.pageY);
|
|
this.dragData.pageX += deltaX;
|
|
this.dragData.pageY += deltaY;
|
|
|
|
this._browserToCanvas();
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_dragStartTimer">
|
|
<body><![CDATA[
|
|
this.dragData.lastMouseEvent = Date.now() - 10;
|
|
this.dragData.dragging = true;
|
|
this._dragStartTimeout = -1;
|
|
]]></body>
|
|
</method>
|
|
|
|
<method name="_endPan">
|
|
<body><![CDATA[
|
|
// dragX/dragY are garanteed to be within the correct bounds, so just
|
|
// update pageX/pageY directly.
|
|
this.dragData.pageX -= this.dragData.dragX / this._zoomLevel;
|
|
this.dragData.pageY -= this.dragData.dragY / this._zoomLevel;
|
|
|
|
// relocate the canvas to 0x0 in the window
|
|
this.dragData.dragX = 0;
|
|
this.dragData.dragY = 0;
|
|
|
|
// update canvas position and draw the canvas at the new location
|
|
this._browserToCanvas();
|
|
this._updateCanvasPosition();
|
|
|
|
this.dragData.dragging = false;
|
|
|
|
// Do we need to fire a content overpan event
|
|
if (this._fireOverpan > 0) {
|
|
var event = document.createEvent("UIEvents");
|
|
event.initUIEvent("overpan", true, false, window, this._fireOverpan);
|
|
this.dispatchEvent(event);
|
|
}
|
|
this._fireOverpan = 0;
|
|
]]></body>
|
|
</method>
|
|
|
|
<field name="stackEventHandler">
|
|
<;
|
|
},
|
|
|
|
mousedown: function seh_mousedown(aEvent) {
|
|
if (aEvent.button != 0)
|
|
return;
|
|
|
|
// cancel any pending canvas updates, since we're going to update again
|
|
if (this._updateTimeout)
|
|
clearTimeout(this._updateTimeout);
|
|
|
|
var zoomLevel = this.deckbrowser._zoomLevel;
|
|
var dragData = this.deckbrowser.dragData;
|
|
|
|
// The start of the current portion drag
|
|
dragData.sX = aEvent.screenX;
|
|
dragData.sY = aEvent.screenY;
|
|
|
|
// The total delta between current mouse position and sX/sY
|
|
dragData.dragX = 0;
|
|
dragData.dragY = 0;
|
|
|
|
//this.deckbrowser._updateCanvasPosition();
|
|
|
|
var self = this.deckbrowser;
|
|
this.deckbrowser._dragStartTimeout = setTimeout(function () {
|
|
self._dragStartTimer();
|
|
}, 200);
|
|
|
|
this._lastMouseDown = aEvent;
|
|
},
|
|
|
|
mouseup: function seh_mouseup(aEvent) {
|
|
if (aEvent.button == 0 && this.deckbrowser.dragData.dragging) {
|
|
this.deckbrowser._endPan();
|
|
} else if (aEvent.originalTarget == this.deckbrowser._canvas) {
|
|
// Mouseup on canvas that isn't releasing from a drag
|
|
// cancel scrollStart timer
|
|
clearTimeout(this.deckbrowser._dragStartTimeout);
|
|
this.deckbrowser._dragStartTimeout = -1;
|
|
|
|
// send mousedown & mouseup
|
|
this.deckbrowser._redispatchMouseEvent(this._lastMouseDown);
|
|
this._lastMouseDown = null;
|
|
this.deckbrowser._redispatchMouseEvent(aEvent);
|
|
|
|
// FIXME: dblclick events don't fire on the n810, check to see if
|
|
// we should treat this as a double-click
|
|
if (this._lastMouseUp &&
|
|
(aEvent.timeStamp - this._lastMouseUp.timeStamp) < 400 &&
|
|
Math.abs(aEvent.clientX - this._lastMouseUp.clientX) < 30 &&
|
|
Math.abs(aEvent.clientY - this._lastMouseUp.clientY) < 30) {
|
|
this.dblclick(aEvent);
|
|
return;
|
|
}
|
|
|
|
this._lastMouseUp = aEvent;
|
|
}
|
|
},
|
|
|
|
mousemove: function seh_mousemove(aEvent) {
|
|
if (!this.deckbrowser.dragData.dragging) {
|
|
// If we've moved more than N pixels lets go ahead and assume we're dragging
|
|
// and not wait for the timeout to complete.
|
|
if (this.deckbrowser._dragStartTimeout != -1 &&
|
|
(Math.abs(this.deckbrowser.dragData.sX - aEvent.screenX) > 10 ||
|
|
Math.abs(this.deckbrowser.dragData.sY - aEvent.screenY) > 10)) {
|
|
clearTimeout(this.deckbrowser._dragStartTimeout);
|
|
this.deckbrowser._dragStartTimer();
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
var dx = this.deckbrowser.dragData.sX - aEvent.screenX;
|
|
var dy = this.deckbrowser.dragData.sY - aEvent.screenY;
|
|
|
|
// Filter out noise in big panning operations which are
|
|
// almost certainly intended to be on-axis horizontal or
|
|
// vertical pans.
|
|
if (Math.abs(dx) > 40 || Math.abs(dy) > 40) {
|
|
if (Math.abs(dx/dy) < 0.3) // dx is a lot less than dy, probably a vertical drag
|
|
dx = 0;
|
|
else if (Math.abs(dy/dx) < 0.3) // probably a horizontal drag
|
|
dy = 0;
|
|
}
|
|
|
|
this.deckbrowser._moveCanvas(dx, dy);
|
|
|
|
if (Date.now() - this.deckbrowser.dragData.lastMouseEvent < 75) { // FIXME: make this a constant
|
|
//dump("dropping event\n");
|
|
return false;
|
|
}
|
|
|
|
this.deckbrowser.dragData.lastMouseEvent = Date.now();
|
|
|
|
aEvent.preventDefault();
|
|
return true;
|
|
},
|
|
|
|
DOMMouseScroll: function seh_DOMMouseScroll(aEvent) {
|
|
this.deckbrowser.zoom(aEvent.detail);
|
|
},
|
|
|
|
dblclick: function seh_dblclick(aEvent) {
|
|
var target = aEvent.originalTarget;
|
|
var dragData = this.deckbrowser.dragData;
|
|
|
|
if (this.deckbrowser._zoomed) {
|
|
// reset zoom, pan state
|
|
this.deckbrowser._zoomLevel = this._oldZoomLevel;
|
|
[dragData.pageX, dragData.pageY] = [dragData.oldPageX, dragData.oldPageY];
|
|
|
|
this.deckbrowser._browserToCanvas();
|
|
this.deckbrowser._zoomed = false;
|
|
} else {
|
|
var element = this.deckbrowser.elementFromPoint(aEvent.clientX, aEvent.clientY);
|
|
if (!element)
|
|
return; //XXX when does this happen?
|
|
|
|
// Remember pageX/pageY
|
|
[dragData.oldPageX, dragData.oldPageY] = [dragData.pageX, dragData.pageY];
|
|
this._oldZoomLevel = this.deckbrowser._zoomLevel;
|
|
|
|
this.deckbrowser.zoomToElement(element);
|
|
this.deckbrowser._zoomed = true;
|
|
}
|
|
}
|
|
});
|
|
]]>
|
|
</field>
|
|
</implementation>
|
|
</binding>
|
|
|
|
<binding id="documenttab"
|
|
extends="chrome://global/content/bindings/richlistbox.xml#richlistitem">
|
|
<content>
|
|
<xul:stack anonid="page" class="documenttab-container" flex="1">
|
|
<html:canvas anonid="canvas" class="documenttab-canvas" width="80" height="60"/>
|
|
<xul:vbox align="start">
|
|
<xul:image anonid="close" class="documenttab-close"/>
|
|
</xul:vbox>
|
|
</xul:stack>
|
|
</content>
|
|
<implementation>
|
|
<method name="updateTab">
|
|
<parameter name="browser"/>
|
|
<body>
|
|
<![CDATA[
|
|
let canvas = document.getAnonymousElementByAttribute(this, "anonid", "canvas");
|
|
|
|
let domWin = browser.contentWindow;
|
|
let width = domWin.innerWidth;
|
|
let height = domWin.innerHeight;
|
|
|
|
let ctx = canvas.getContext("2d");
|
|
ctx.clearRect(0, 0, 80, 60);
|
|
ctx.restore(); // XXXndeakin remove this
|
|
ctx.save();
|
|
ctx.scale(80 / width, 60 / height);
|
|
ctx.drawWindow(domWin, 0, 0, width, height, "rgba(0,0,0,0)");
|
|
ctx.restore();
|
|
]]>
|
|
</body>
|
|
</method>
|
|
<method name="markInvalid">
|
|
<parameter name="browser"/>
|
|
<body>
|
|
<![CDATA[
|
|
let canvas = document.getAnonymousElementByAttribute(this, "anonid", "canvas");
|
|
let ctx = canvas.getContext("2d");
|
|
|
|
ctx.save();
|
|
ctx.strokeStyle = "red";
|
|
ctx.moveTo(63, 43);
|
|
ctx.lineTo(78, 58);
|
|
ctx.moveTo(78, 43);
|
|
ctx.lineTo(63, 58);
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
]]>
|
|
</body>
|
|
</method>
|
|
</implementation>
|
|
</binding>
|
|
|
|
</bindings>
|