add a first set of code to support bookmarking places
[mandelbrot.git] / xulapp / chrome / mandelbrot / content / mandelbrot.js
index cf4927af4a961069b679135d1e86436104db96ad..b515e832feb8e8c259cb1d6d23aca407803d226d 100644 (file)
@@ -52,6 +52,8 @@ function drawImage() {
   let canvas = document.getElementById("mbrotImage");
   let context = canvas.getContext("2d");
 
   let canvas = document.getElementById("mbrotImage");
   let context = canvas.getContext("2d");
 
+  document.getElementById("drawButton").hidden = true;
+
   document.getElementById("statusLabel").value =
       document.getElementById("mbrotBundle").getString("statusDrawing");
 
   document.getElementById("statusLabel").value =
       document.getElementById("mbrotBundle").getString("statusDrawing");
 
@@ -333,6 +335,27 @@ function drawPoint(context, img_x, img_y, C, iterMax, algorithm) {
 
 /***** pure UI functions *****/
 
 
 /***** pure UI functions *****/
 
+var zoomstart;
+
+function mouseevent(etype, event) {
+  let canvas = document.getElementById("mbrotImage");
+  switch (etype) {
+    case 'down':
+      if (event.button == 0)
+        // left button - start dragzoom
+        zoomstart = {x: event.clientX - canvas.offsetLeft,
+                     y: event.clientY - canvas.offsetTop};
+      break;
+    case 'up':
+      if (event.button == 0)
+        alert(zoomstart.x + ',' + zoomstart.y + '-' +
+              (event.clientX - canvas.offsetLeft) + ',' +
+              (event.clientY - canvas.offsetTop)); 
+      zoomstart = undefined;
+    break;
+  }
+}
+
 function saveImage() {
   const bundle = document.getElementById("mbrotBundle");
   const nsIFilePicker = Components.interfaces.nsIFilePicker;
 function saveImage() {
   const bundle = document.getElementById("mbrotBundle");
   const nsIFilePicker = Components.interfaces.nsIFilePicker;
@@ -353,6 +376,71 @@ function saveImage() {
   }
 }
 
   }
 }
 
+function updateBookmarksMenu(aParent) {
+  /* from SM UBhistory, needs to be adapted
+    while (aParent.hasChildNodes())
+      aParent.removeChild(aParent.lastChild);
+
+    var file = Components.classes["@mozilla.org/file/directory_service;1"]
+                         .getService(Components.interfaces.nsIProperties)
+                         .get("ProfD", Components.interfaces.nsIFile);
+    file.append("urlbarhistory.sqlite");
+    if (file.exists()) {
+      var connection = Components.classes["@mozilla.org/storage/service;1"]
+                                 .getService(Components.interfaces.mozIStorageService)
+                                 .openDatabase(file);
+      try {
+        if (connection.tableExists("urlbarhistory")) {
+          var statement = connection.createStatement(
+              "SELECT url FROM urlbarhistory ORDER BY ROWID DESC");
+          while (statement.executeStep())
+            aParent.appendChild(document.createElement("menuitem"))
+                   .setAttribute("label", statement.getString(0));
+          statement.reset();
+          statement.finalize();
+          return;
+        }
+      } finally {
+        connection.close();
+      }
+    }
+    //Create the "Nothing Available" Menu item and disable it.
+    var na = aParent.appendChild(document.createElement("menuitem"));
+    na.setAttribute("label", gNavigatorBundle.getString("nothingAvailable"));
+    na.setAttribute("disabled", "true");
+  */
+}
+
+function callBookmark(evtarget) {
+}
+
+function saveBookmark() {
+  /* from SM UBhistory, needs to be adapted
+     // Open or create the urlbar history database.
+     var file = Components.classes["@mozilla.org/file/directory_service;1"]
+                          .getService(Components.interfaces.nsIProperties)
+                          .get("ProfD", Components.interfaces.nsIFile);
+     file.append("urlbarhistory.sqlite");
+     var connection = Components.classes["@mozilla.org/storage/service;1"]
+                                .getService(Components.interfaces.mozIStorageService)
+                                .openDatabase(file);
+     connection.beginTransaction();
+     if (!connection.tableExists("urlbarhistory"))
+       connection.createTable("urlbarhistory", "url TEXT, foo INTEGER, bar 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 the value as it was typed by the user in to urlbar history
+     statement = connection.createStatement(
+         "INSERT INTO urlbarhistory (url) VALUES (?1)");
+     statement.bindStringParameter(0, aUrlToAdd);
+     statement.execute();
+     statement.finalize();
+  */
+}
+
 function updateIterMenu() {
   try {
     var currentIter = gPref.getIntPref("mandelbrot.iteration_max");
 function updateIterMenu() {
   try {
     var currentIter = gPref.getIntPref("mandelbrot.iteration_max");
@@ -458,6 +546,29 @@ function setAlgorithm(algoID) {
   gPref.setCharPref("mandelbrot.use_algorithm", algoID);
 }
 
   gPref.setCharPref("mandelbrot.use_algorithm", algoID);
 }
 
+function addonsManager(aPane) {
+  var 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
 /***** helper functions from external sources *****/
 
 // function below is based on http://developer.mozilla.org/en/docs/Code_snippets:Canvas
@@ -493,3 +604,40 @@ function quitApp(aForceQuit) {
                                   Components.interfaces.nsIAppStartup.eAttemptQuit;
   appStartup.quit(quitSeverity);
 }
                                   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);
+  }
+}