.getService(Components.interfaces.nsIPrefService)
.getBranch(null);
var gStartTime = 0;
+var gMbrotBundle;
+var gCurrentImageData;
function Startup() {
updateIterMenu();
updatePaletteMenu();
- document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getString("statusEmpty");
+ gMbrotBundle = document.getElementById("mbrotBundle");
+ document.getElementById("statusLabel").value = gMbrotBundle.getString("statusEmpty");
+}
+
+function adjustCoordsAndDraw(aC_min, aC_max) {
+ let iWidth = 0;
+ try {
+ iWidth = gPref.getIntPref("mandelbrot.image.width");
+ }
+ catch (e) { }
+ if ((iWidth < 10) || (iWidth > 5000)) {
+ iWidth = 300;
+ gPref.setIntPref("mandelbrot.image.width", iWidth);
+ }
+ let iHeight = 0;
+ try {
+ iHeight = gPref.getIntPref("mandelbrot.image.height");
+ }
+ catch (e) { }
+ if ((iHeight < 10) || (iHeight > 5000)) {
+ iHeight = 300;
+ gPref.setIntPref("mandelbrot.image.height", iHeight);
+ }
+
+ // correct coordinates
+ if (aC_min.r < -2)
+ aC_min.r = -2;
+ if (aC_max.r > 2)
+ aC_max.r = 2;
+ if ((aC_min.r > 2) || (aC_max.r < -2) || (aC_min.r >= aC_max.r)) {
+ aC_min.r = -2.0; aC_max.r = 1.0;
+ }
+ if (aC_min.i < -2)
+ aC_min.i = -2;
+ if (aC_max.i > 2)
+ aC_max.i = 2;
+ if ((aC_min.i > 2) || (aC_max.i < -2) || (aC_min.i >= aC_max.i)) {
+ aC_min.i = -1.3; aC_max.i = 1.3;
+ }
+
+ let CWidth = aC_max.r - aC_min.r;
+ let CHeight = aC_max.i - aC_min.i;
+ let C_mid = new complex(aC_min.r + CWidth / 2, aC_min.i + CHeight / 2);
+
+ let CRatio = Math.max(CWidth / iWidth, CHeight / iHeight);
+
+ gPref.setCharPref("mandelbrot.last_image.Cr_min", C_mid.r - iWidth * CRatio / 2);
+ gPref.setCharPref("mandelbrot.last_image.Cr_max", C_mid.r + iWidth * CRatio / 2);
+ gPref.setCharPref("mandelbrot.last_image.Ci_min", C_mid.i - iHeight * CRatio / 2);
+ gPref.setCharPref("mandelbrot.last_image.Ci_max", C_mid.i + iHeight * CRatio / 2);
+
+ drawImage();
}
function drawImage() {
let canvas = document.getElementById("mbrotImage");
let context = canvas.getContext("2d");
- document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getString("statusDrawing");
+ document.getElementById("drawButton").hidden = true;
+
+ document.getElementById("statusLabel").value = gMbrotBundle.getString("statusDrawing");
let Cr_min = -2.0;
let Cr_max = 1.0;
Cr_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Cr_max"));
}
catch (e) { }
- if ((Cr_min < -2) || (Cr_min > 2) ||
- (Cr_max < -2) || (Cr_max > 2) || (Cr_min >= Cr_max)) {
+ if ((Cr_min < -3) || (Cr_min > 2) ||
+ (Cr_max < -3) || (Cr_max > 2) || (Cr_min >= Cr_max)) {
Cr_min = -2.0; Cr_max = 1.0;
}
gPref.setCharPref("mandelbrot.last_image.Cr_min", Cr_min);
Ci_max = parseFloat(gPref.getCharPref("mandelbrot.last_image.Ci_max"));
}
catch (e) { }
- if ((Ci_min < -2) || (Ci_min > 2) ||
- (Ci_max < -2) || (Ci_max > 2) || (Ci_min >= Ci_max)) {
- Ci_min = -2.0; Ci_max = 1.0;
+ if ((Ci_min < -2.5) || (Ci_min > 2.5) ||
+ (Ci_max < -2.5) || (Ci_max > 2.5) || (Ci_min >= Ci_max)) {
+ Ci_min = -1.5; Ci_max = 1.5;
}
gPref.setCharPref("mandelbrot.last_image.Ci_min", Ci_min);
gPref.setCharPref("mandelbrot.last_image.Ci_max", Ci_max);
gPref.setIntPref("mandelbrot.image.height", iHeight);
}
+ gCurrentImageData = {
+ C_min: new complex(Cr_min, Ci_min),
+ C_max: new complex(Cr_max, Ci_max),
+ iWidth: iWidth,
+ iHeight: iHeight,
+ iterMax: iterMax
+ };
+
canvas.width = iWidth;
canvas.height = iHeight;
}
function drawLine(line, dimensions, canvas, context, iterMax, algorithm) {
- let Cr_min = dimensions[0];
- let Cr_max = dimensions[1];
- let Cr_scale = Cr_max - Cr_min;
-
- let Ci_min = dimensions[2];
- let Ci_max = dimensions[3];
- let Ci_scale = Ci_max - Ci_min;
-
- let pixels = [];
- for (var img_y = line; img_y < canvas.height && img_y < line+8; img_y++)
- for (let img_x = 0; img_x < canvas.width; img_x++) {
- let C = new complex(Cr_min + (img_x / canvas.width) * Cr_scale,
- Ci_min + (img_y / canvas.height) * Ci_scale);
- pixels.push.apply(pixels, drawPoint(context, img_x, img_y, C, iterMax, algorithm));
- }
- context.putImageData({width: canvas.width, height: pixels.length/4/canvas.width, data: pixels}, 0, line);
+ let Cr_min = dimensions[0];
+ let Cr_max = dimensions[1];
+ let Cr_scale = Cr_max - Cr_min;
+
+ let Ci_min = dimensions[2];
+ let Ci_max = dimensions[3];
+ let Ci_scale = Ci_max - Ci_min;
+
+ let pixels = [];
+ for (var img_y = line; img_y < canvas.height && img_y < line+8; img_y++)
+ for (let img_x = 0; img_x < canvas.width; img_x++) {
+ let C = new complex(Cr_min + (img_x / canvas.width) * Cr_scale,
+ Ci_min + (img_y / canvas.height) * Ci_scale);
+ pixels.push.apply(pixels, drawPoint(context, img_x, img_y, C, iterMax, algorithm));
+ }
+ context.putImageData({width: canvas.width, height: pixels.length/4/canvas.width, data: pixels}, 0, line);
- if (img_y < canvas.height)
- setTimeout(drawLine, 0, img_y, dimensions, canvas, context, iterMax, algorithm);
- else
- EndCalc();
+ if (img_y < canvas.height)
+ setTimeout(drawLine, 0, img_y, dimensions, canvas, context, iterMax, algorithm);
+ else if (gStartTime)
+ EndCalc();
}
function EndCalc() {
let endTime = new Date();
let timeUsed = (endTime.getTime() - gStartTime.getTime()) / 1000;
document.getElementById("statusLabel").value =
- document.getElementById("mbrotBundle").getFormattedString("statusTime", [timeUsed.toFixed(3)]);
+ gMbrotBundle.getFormattedString("statusTime", [timeUsed.toFixed(3)]);
+ gStartTime = 0;
}
function complex(aReal, aImag) {
}
palette[1024] = [0, 0, 0, 255];
break;
+ case 'rainbow-squared1':
+ for (let i = 0; i < 34; i++) {
+ let cc = Math.floor(i * 255 / 33);
+ palette[i] = [cc, 0, 0, 255];
+ }
+ for (let i = 0; i < 137; i++) {
+ let cc = Math.floor(i * 255 / 136);
+ palette[34 + i] = [255, cc, 0, 255];
+ }
+ for (let i = 0; i < 307; i++) {
+ let cc = Math.floor(i * 255 / 306);
+ palette[171 + i] = [255 - cc, 255, cc, 255];
+ }
+ for (let i = 0; i < 546; i++) {
+ let cc = Math.floor(i * 255 / 545);
+ palette[478 + i] = [cc, 255 - cc, 255, 255];
+ }
+ palette[1024] = [0, 0, 0, 255];
+ break;
+ case 'rainbow-linear2':
+ for (let i = 0; i < 205; i++) {
+ let cc = Math.floor(i * 255 / 204);
+ palette[i] = [255, cc, 0, 255];
+ palette[204 + i] = [255 - cc, 255, 0, 255];
+ palette[409 + i] = [0, 255, cc, 255];
+ palette[614 + i] = [0, 255 - cc, 255, 255];
+ palette[819 + i] = [cc, 0, 255, 255];
+ }
+ palette[1024] = [0, 0, 0, 255];
+ break;
+ case 'rainbow-squared2':
+ for (let i = 0; i < 19; i++) {
+ let cc = Math.floor(i * 255 / 18);
+ palette[i] = [255, cc, 0, 255];
+ }
+ for (let i = 0; i < 74; i++) {
+ let cc = Math.floor(i * 255 / 73);
+ palette[19 + i] = [255 - cc, 255, 0, 255];
+ }
+ for (let i = 0; i < 168; i++) {
+ let cc = Math.floor(i * 255 / 167);
+ palette[93 + i] = [0, 255, cc, 255];
+ }
+ for (let i = 0; i < 298; i++) {
+ let cc = Math.floor(i * 255 / 297);
+ palette[261 + i] = [0, 255 - cc, 255, 255];
+ }
+ for (let i = 0; i < 465; i++) {
+ let cc = Math.floor(i * 255 / 464);
+ palette[559 + i] = [cc, 0, 255, 255];
+ }
+ palette[1024] = [0, 0, 0, 255];
+ break;
}
-/*
-Select Case palnr
-Case 1 'Standard-Palette (QB-Colors)
+ /*
+ 'Standard-Palette (QB-Colors)
For i = 0 To 1024
xx = CInt(i * 500 / 1024 + 2)
If xx <= 15 Then clr = xx
If xx >= 500 Then clr = 0
palette(i) = QBColor(clr)
Next
-Case 3 'Regenbogen-Palette 1 (qu.)
- For i = 0 To 33
- clr = CInt(i * 255 / 33)
- palette(i) = RGB(clr, 0, 0)
- Next
- For i = 0 To 136
- clr = CInt(i * 255 / 136)
- palette(34 + i) = RGB(255, clr, 0)
- Next
- For i = 0 To 306
- clr = CInt(i * 255 / 306)
- palette(171 + i) = RGB(255 - clr, 255, clr)
- Next
- For i = 0 To 545
- clr = CInt(i * 255 / 545)
- palette(478 + i) = RGB(clr, 255 - clr, 255)
- Next
-Case 4 'Regenbogen-Palette 2 (linear)
- For i = 0 To 204
- clr = CInt(i * 255 / 204)
- palette(i) = RGB(255, clr, 0)
- palette(204 + i) = RGB(255 - clr, 255, 0)
- palette(409 + i) = RGB(0, 255, clr)
- palette(614 + i) = RGB(0, 255 - clr, 255)
- palette(819 + i) = RGB(clr, 0, 255)
- Next
-Case 5 'Regenbogen-Palette 2 (qu.)
- For i = 0 To 18
- clr = CInt(i * 255 / 18)
- palette(i) = RGB(255, clr, 0)
- Next
- For i = 0 To 73
- clr = CInt(i * 255 / 73)
- palette(20 + i) = RGB(255 - clr, 255, 0)
- Next
- For i = 0 To 167
- clr = CInt(i * 255 / 167)
- palette(93 + i) = RGB(0, 255, clr)
- Next
- For i = 0 To 297
- clr = CInt(i * 255 / 297)
- palette(261 + i) = RGB(0, 255 - clr, 255)
- Next
- For i = 0 To 464
- clr = CInt(i * 255 / 464)
- palette(559 + i) = RGB(clr, 0, 255)
- Next
-*/
+ */
return palette;
}
/***** pure UI functions *****/
+var zoomstart;
+var imgBackup;
+
+function mouseevent(etype, event) {
+ let canvas = document.getElementById("mbrotImage");
+ let context = canvas.getContext("2d");
+ switch (etype) {
+ case 'down':
+ if (event.button == 0) {
+ // left button - start dragzoom
+ zoomstart = {x: event.clientX - canvas.offsetLeft,
+ y: event.clientY - canvas.offsetTop};
+ imgBackup = context.getImageData(0, 0, canvas.width, canvas.height);
+ }
+ break;
+ case 'up':
+ if (event.button == 0 && zoomstart) {
+ context.putImageData(imgBackup, 0, 0);
+ let zoomend = {x: event.clientX - canvas.offsetLeft,
+ y: event.clientY - canvas.offsetTop};
+
+ // make sure zoomend is bigger than zoomstart
+ if ((zoomend.x == zoomstart.x) || (zoomend.y == zoomstart.y)) {
+ // cannot zoom what has no area, discard it
+ zoomstart = undefined;
+ return;
+ }
+ if (zoomend.x < zoomstart.x)
+ [zoomend.x, zoomstart.x] = [zoomstart.x, zoomend.x];
+ if (zoomend.y < zoomstart.y)
+ [zoomend.y, zoomstart.y] = [zoomstart.y, zoomend.y];
+
+ let prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
+ .getService(Components.interfaces.nsIPromptService);
+ let ok = prompts.confirm(null, gMbrotBundle.getString("zoomConfirmTitle"),
+ gMbrotBundle.getString("zoomConfirmLabel"));
+ // ok is now true if OK was clicked, and false if cancel was clicked
+ if (ok) {
+ // determine new "coordinates"
+ let CWidth = gCurrentImageData.C_max.r - gCurrentImageData.C_min.r;
+ let CHeight = gCurrentImageData.C_max.i - gCurrentImageData.C_min.i;
+ let newC_min = new complex(
+ gCurrentImageData.C_min.r + zoomstart.x / gCurrentImageData.iWidth * CWidth,
+ gCurrentImageData.C_min.i + zoomstart.y / gCurrentImageData.iHeight * CHeight);
+ let newC_max = new complex(
+ gCurrentImageData.C_min.r + zoomend.x / gCurrentImageData.iWidth * CWidth,
+ gCurrentImageData.C_min.i + zoomend.y / gCurrentImageData.iHeight * CHeight);
+
+ adjustCoordsAndDraw(newC_min, newC_max);
+ }
+ }
+ zoomstart = undefined;
+ break;
+ case 'move':
+ if (event.button == 0 && zoomstart) {
+ context.putImageData(imgBackup, 0, 0);
+ context.strokeStyle = "rgb(255,255,31)";
+ context.strokeRect(zoomstart.x, zoomstart.y,
+ event.clientX - canvas.offsetLeft - zoomstart.x,
+ event.clientY - canvas.offsetTop - zoomstart.y);
+ }
+ break;
+ }
+}
+
function saveImage() {
- const bundle = document.getElementById("mbrotBundle");
const nsIFilePicker = Components.interfaces.nsIFilePicker;
- var fp = null;
+ let fp = null;
try {
fp = Components.classes["@mozilla.org/filepicker;1"]
.createInstance(nsIFilePicker);
} catch (e) {}
if (!fp) return;
- var promptString = bundle.getString("savePrompt");
+ let promptString = gMbrotBundle.getString("savePrompt");
fp.init(window, promptString, nsIFilePicker.modeSave);
- fp.appendFilter(bundle.getString("pngFilterName"), "*.png");
+ fp.appendFilter(gMbrotBundle.getString("pngFilterName"), "*.png");
fp.defaultString = "mandelbrot.png";
- var fpResult = fp.show();
+ let fpResult = fp.show();
if (fpResult != nsIFilePicker.returnCancel) {
saveCanvas(document.getElementById("mbrotImage"), fp.file);
}
}
+function updateBookmarkMenu(aParent) {
+ document.getElementById("bookmarkSave").disabled =
+ (!document.getElementById("drawButton").hidden || (gStartTime > 0));
+
+ while (aParent.hasChildNodes() &&
+ aParent.lastChild.id != "bookmarkSeparator")
+ aParent.removeChild(aParent.lastChild);
+
+ let file = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ file.append("mandelbookmarks.sqlite");
+ if (file.exists()) {
+ let connection = Components.classes["@mozilla.org/storage/service;1"]
+ .getService(Components.interfaces.mozIStorageService)
+ .openDatabase(file);
+ try {
+ if (connection.tableExists("bookmarks")) {
+ let statement = connection.createStatement(
+ "SELECT name,ROWID FROM bookmarks ORDER BY ROWID ASC");
+ while (statement.executeStep()) {
+ let newItem = aParent.appendChild(document.createElement("menuitem"));
+ newItem.setAttribute("label", statement.getString(0));
+ newItem.setAttribute("bmRowID", statement.getString(1));
+ }
+ statement.reset();
+ statement.finalize();
+ return;
+ }
+ } finally {
+ connection.close();
+ }
+ }
+ // Create the "Nothing Available" Menu item and disable it.
+ let na = aParent.appendChild(document.createElement("menuitem"));
+ na.setAttribute("label", gMbrotBundle.getString("noBookmarks"));
+ na.setAttribute("disabled", "true");
+}
+
+function callBookmark(evtarget) {
+ if (evtarget.id == "bookmarkSave" || evtarget.id == "bookmarkSeparator")
+ return;
+ if (evtarget.id == "bookmarkOverview") {
+ adjustCoordsAndDraw(new complex(0,0), new complex(0,0));
+ return;
+ }
+
+ if (evtarget.getAttribute('bmRowID')) {
+ let iterMax = 0;
+ let C_min = null;
+ let C_max = null;
+
+ let file = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ file.append("mandelbookmarks.sqlite");
+ let connection = Components.classes["@mozilla.org/storage/service;1"]
+ .getService(Components.interfaces.mozIStorageService)
+ .openDatabase(file);
+ let statement = connection.createStatement(
+ "SELECT iteration_max,Cr_min,Cr_max,Ci_min,Ci_max FROM bookmarks WHERE ROWID=?1");
+ statement.bindStringParameter(0, evtarget.getAttribute('bmRowID'));
+ while (statement.executeStep()) {
+ iterMax = statement.getInt32(0);
+ C_min = new complex(statement.getDouble(1), statement.getDouble(3));
+ C_max = new complex(statement.getDouble(2), statement.getDouble(4));
+ }
+ statement.finalize();
+ connection.close();
+
+ if (iterMax && C_min && C_max) {
+ gPref.setIntPref("mandelbrot.iteration_max", iterMax);
+ adjustCoordsAndDraw(C_min, C_max);
+ }
+ }
+}
+
+function saveBookmark() {
+ // retrieve wanted bookmark name with a prompt
+ let prompts = Components.classes["@mozilla.org/embedcomp/prompt-service;1"]
+ .getService(Components.interfaces.nsIPromptService);
+ let input = {value: ""}; // empty default value
+ let ok = prompts.prompt(null, gMbrotBundle.getString("saveBookmarkTitle"), gMbrotBundle.getString("saveBookmarkLabel"), input, null, {});
+ // ok is true if OK is pressed, false if Cancel. input.value holds the value of the edit field if "OK" was pressed.
+ if (!ok || !input.value)
+ return
+
+ let bmName = input.value;
+
+ // Open or create the bookmarks database.
+ let file = Components.classes["@mozilla.org/file/directory_service;1"]
+ .getService(Components.interfaces.nsIProperties)
+ .get("ProfD", Components.interfaces.nsIFile);
+ file.append("mandelbookmarks.sqlite");
+ let connection = Components.classes["@mozilla.org/storage/service;1"]
+ .getService(Components.interfaces.mozIStorageService)
+ .openDatabase(file);
+ connection.beginTransaction();
+ if (!connection.tableExists("bookmarks"))
+ connection.createTable("bookmarks", "name TEXT, iteration_max INTEGER, Cr_min REAL, Cr_max REAL, Ci_min REAL, Ci_max REAL");
+ // NULL. The value is a NULL value.
+ // INTEGER. The value is a signed integer, stored in 1, 2, 3, 4, 6, or 8 bytes depending on the magnitude of the value.
+ // REAL. The value is a floating point value, stored as an 8-byte IEEE floating point number.
+ // TEXT. The value is a text string, stored using the database encoding (UTF-8, UTF-16BE or UTF-16-LE).
+
+ // Put value of the current image into the bookmarks table
+ let statement = connection.createStatement(
+ "INSERT INTO bookmarks (name,iteration_max,Cr_min,Cr_max,Ci_min,Ci_max) VALUES (?1,?2,?3,?4,?5,?6)");
+ statement.bindStringParameter(0, bmName);
+ statement.bindStringParameter(1, gCurrentImageData.iterMax);
+ statement.bindStringParameter(2, gCurrentImageData.C_min.r);
+ statement.bindStringParameter(3, gCurrentImageData.C_max.r);
+ statement.bindStringParameter(4, gCurrentImageData.C_min.i);
+ statement.bindStringParameter(5, gCurrentImageData.C_max.i);
+ statement.execute();
+ statement.finalize();
+ connection.commitTransaction();
+ connection.close();
+}
+
function updateIterMenu() {
+ let currentIter = 0;
try {
- var currentIter = gPref.getIntPref("mandelbrot.iteration_max");
- }
- catch(e) {
- var currentIter = 0;
+ currentIter = gPref.getIntPref("mandelbrot.iteration_max");
}
+ catch(e) { }
if (currentIter < 10) {
currentIter = 500;
setIter(currentIter);
}
- var popup = document.getElementById("menu_iterPopup");
- var item = popup.firstChild;
+ let popup = document.getElementById("menu_iterPopup");
+ let item = popup.firstChild;
while (item) {
if (item.getAttribute("name") == "iter") {
if (item.getAttribute("value") == currentIter)
}
function updatePaletteMenu() {
+ let currentPalette = '';
try {
- var currentPalette = gPref.getCharPref("mandelbrot.color_palette");
- }
- catch(e) {
- var currentPalette = '';
+ currentPalette = gPref.getCharPref("mandelbrot.color_palette");
}
+ catch(e) { }
if (!currentPalette.length) {
currentPalette = 'kairo';
setPalette(currentPalette);
if (!gColorPalette || !gColorPalette.length)
gColorPalette = getColorPalette(currentPalette);
- var popup = document.getElementById("menu_palettePopup");
- var item = popup.firstChild;
+ let popup = document.getElementById("menu_palettePopup");
+ let item = popup.firstChild;
while (item) {
if (item.getAttribute("name") == "palette") {
if (item.getAttribute("value") == currentPalette)
}
function updateAlgoMenu() {
+ let currentAlgo = '';
try {
- var currentAlgo = gPref.getCharPref("mandelbrot.use_algorithm");
- }
- catch(e) {
- var currentAlgo = '';
+ currentAlgo = gPref.getCharPref("mandelbrot.use_algorithm");
}
+ catch(e) { }
if (!currentAlgo.length) {
currentAlgo = 'numeric';
setAlgorithm(currentAlgo);
}
- var popup = document.getElementById("menu_algoPopup");
- var item = popup.firstChild;
+ let popup = document.getElementById("menu_algoPopup");
+ let item = popup.firstChild;
while (item) {
if (item.getAttribute("name") == "algorithm") {
if (item.getAttribute("value") == currentAlgo)
gPref.setCharPref("mandelbrot.use_algorithm", algoID);
}
+function addonsManager(aPane) {
+ let theEM = Components.classes["@mozilla.org/appshell/window-mediator;1"]
+ .getService(Components.interfaces.nsIWindowMediator)
+ .getMostRecentWindow("Extension:Manager");
+ if (theEM) {
+ theEM.focus();
+ if (aPane)
+ theEM.showView(aPane);
+ return;
+ }
+
+ const EMURL = "chrome://mozapps/content/extensions/extensions.xul";
+ const EMFEATURES = "all,dialog=no";
+ if (aPane)
+ window.openDialog(EMURL, "", EMFEATURES, aPane);
+ else
+ window.openDialog(EMURL, "", EMFEATURES);
+}
+
+function errorConsole() {
+ toOpenWindowByType("global:console", "chrome://global/content/console.xul");
+}
+
/***** helper functions from external sources *****/
// function below is based on http://developer.mozilla.org/en/docs/Code_snippets:Canvas
Components.interfaces.nsIAppStartup.eAttemptQuit;
appStartup.quit(quitSeverity);
}
+
+// functions below are from comm-central/suite/common/tasksOverlay.js
+function toOpenWindow(aWindow) {
+ try {
+ // Try to focus the previously focused window e.g. message compose body
+ aWindow.document.commandDispatcher.focusedWindow.focus();
+ } catch (e) {
+ // e.g. full-page plugin or non-XUL document; just raise the top window
+ aWindow.focus();
+ }
+}
+
+function toOpenWindowByType(inType, uri, features) {
+ // don't do several loads in parallel
+ if (uri in window)
+ return;
+
+ var topWindow = Components.classes["@mozilla.org/appshell/window-mediator;1"]
+ .getService(Components.interfaces.nsIWindowMediator)
+ .getMostRecentWindow(inType);
+ if ( topWindow )
+ toOpenWindow( topWindow );
+ else {
+ // open the requested window, but block it until it's fully loaded
+ function newWindowLoaded(event) {
+ // make sure that this handler is called only once
+ window.removeEventListener("unload", newWindowLoaded, false);
+ window[uri].removeEventListener("load", newWindowLoaded, false);
+ delete window[uri];
+ }
+ // remember the newly loading window until it's fully loaded
+ // or until the current window passes away
+ window[uri] = window.openDialog(uri, "", features || "all,dialog=no");
+ window[uri].addEventListener("load", newWindowLoaded, false);
+ window.addEventListener("unload", newWindowLoaded, false);
+ }
+}
projects / mandelbrot.git / blobdiff