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authorMatt A. Tobin <email@mattatobin.com>2018-02-02 03:35:06 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-02 03:35:06 -0500
commit49ee0794b5d912db1f95dce6eb52d781dc210db5 (patch)
tree6efefe6a09feb09d965932b24e10436b9ac8189c /application/palemoon/components/shell/content/setDesktopBackground.js
parente72ef92b5bdc43cd2584198e2e54e951b70299e8 (diff)
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Add Pale Moon
Diffstat (limited to 'application/palemoon/components/shell/content/setDesktopBackground.js')
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diff --git a/application/palemoon/components/shell/content/setDesktopBackground.js b/application/palemoon/components/shell/content/setDesktopBackground.js
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+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+var Ci = Components.interfaces;
+
+var gSetBackground = {
+#ifndef XP_MACOSX
+ _position : "",
+ _backgroundColor : 0,
+#else
+ _position : "STRETCH",
+#endif
+ _screenWidth : 0,
+ _screenHeight : 0,
+ _image : null,
+ _canvas : null,
+
+ get _shell()
+ {
+ return Components.classes["@mozilla.org/browser/shell-service;1"]
+ .getService(Ci.nsIShellService);
+ },
+
+ load: function ()
+ {
+ this._canvas = document.getElementById("screen");
+ this._screenWidth = screen.width;
+ this._screenHeight = screen.height;
+#ifdef XP_MACOSX
+ document.documentElement.getButton("accept").hidden = true;
+#endif
+ if (this._screenWidth / this._screenHeight >= 1.6)
+ document.getElementById("monitor").setAttribute("aspectratio", "16:10");
+
+#ifdef XP_WIN
+ // hide fill + fit options if <win7 since don't work
+ var version = Components.classes["@mozilla.org/system-info;1"]
+ .getService(Ci.nsIPropertyBag2)
+ .getProperty("version");
+ var isWindows7OrHigher = (parseFloat(version) >= 6.1);
+ if (!isWindows7OrHigher) {
+ document.getElementById("fillPosition").hidden = true;
+ document.getElementById("fitPosition").hidden = true;
+ }
+#endif
+
+ // make sure that the correct dimensions will be used
+ setTimeout(function(self) {
+ self.init(window.arguments[0]);
+ }, 0, this);
+ },
+
+ init: function (aImage)
+ {
+ this._image = aImage;
+
+ // set the size of the coordinate space
+ this._canvas.width = this._canvas.clientWidth;
+ this._canvas.height = this._canvas.clientHeight;
+
+ var ctx = this._canvas.getContext("2d");
+ ctx.scale(this._canvas.clientWidth / this._screenWidth, this._canvas.clientHeight / this._screenHeight);
+
+#ifndef XP_MACOSX
+ this._initColor();
+#else
+ // Make sure to reset the button state in case the user has already
+ // set an image as their desktop background.
+ var setDesktopBackground = document.getElementById("setDesktopBackground");
+ setDesktopBackground.hidden = false;
+ var bundle = document.getElementById("backgroundBundle");
+ setDesktopBackground.label = bundle.getString("DesktopBackgroundSet");
+ setDesktopBackground.disabled = false;
+
+ document.getElementById("showDesktopPreferences").hidden = true;
+#endif
+ this.updatePosition();
+ },
+
+#ifndef XP_MACOSX
+ _initColor: function ()
+ {
+ var color = this._shell.desktopBackgroundColor;
+
+ const rMask = 4294901760;
+ const gMask = 65280;
+ const bMask = 255;
+ var r = (color & rMask) >> 16;
+ var g = (color & gMask) >> 8;
+ var b = (color & bMask);
+ this.updateColor(this._rgbToHex(r, g, b));
+
+ var colorpicker = document.getElementById("desktopColor");
+ colorpicker.color = this._backgroundColor;
+ },
+
+ updateColor: function (aColor)
+ {
+ this._backgroundColor = aColor;
+ this._canvas.style.backgroundColor = aColor;
+ },
+
+ // Converts a color string in the format "#RRGGBB" to an integer.
+ _hexStringToLong: function (aString)
+ {
+ return parseInt(aString.substring(1,3), 16) << 16 |
+ parseInt(aString.substring(3,5), 16) << 8 |
+ parseInt(aString.substring(5,7), 16);
+ },
+
+ _rgbToHex: function (aR, aG, aB)
+ {
+ return "#" + [aR, aG, aB].map(function(aInt) aInt.toString(16).replace(/^(.)$/, "0$1"))
+ .join("").toUpperCase();
+ },
+#else
+ observe: function (aSubject, aTopic, aData)
+ {
+ if (aTopic == "shell:desktop-background-changed") {
+ document.getElementById("setDesktopBackground").hidden = true;
+ document.getElementById("showDesktopPreferences").hidden = false;
+
+ Components.classes["@mozilla.org/observer-service;1"]
+ .getService(Ci.nsIObserverService)
+ .removeObserver(this, "shell:desktop-background-changed");
+ }
+ },
+
+ showDesktopPrefs: function()
+ {
+ this._shell.openApplication(Ci.nsIMacShellService.APPLICATION_DESKTOP);
+ },
+#endif
+
+ setDesktopBackground: function ()
+ {
+#ifndef XP_MACOSX
+ document.persist("menuPosition", "value");
+ this._shell.desktopBackgroundColor = this._hexStringToLong(this._backgroundColor);
+#else
+ Components.classes["@mozilla.org/observer-service;1"]
+ .getService(Ci.nsIObserverService)
+ .addObserver(this, "shell:desktop-background-changed", false);
+
+ var bundle = document.getElementById("backgroundBundle");
+ var setDesktopBackground = document.getElementById("setDesktopBackground");
+ setDesktopBackground.disabled = true;
+ setDesktopBackground.label = bundle.getString("DesktopBackgroundDownloading");
+#endif
+ this._shell.setDesktopBackground(this._image,
+ Ci.nsIShellService["BACKGROUND_" + this._position]);
+ },
+
+ updatePosition: function ()
+ {
+ var ctx = this._canvas.getContext("2d");
+ ctx.clearRect(0, 0, this._screenWidth, this._screenHeight);
+
+#ifndef XP_MACOSX
+ this._position = document.getElementById("menuPosition").value;
+#endif
+
+ switch (this._position) {
+ case "TILE":
+ ctx.save();
+ ctx.fillStyle = ctx.createPattern(this._image, "repeat");
+ ctx.fillRect(0, 0, this._screenWidth, this._screenHeight);
+ ctx.restore();
+ break;
+ case "STRETCH":
+ ctx.drawImage(this._image, 0, 0, this._screenWidth, this._screenHeight);
+ break;
+ case "CENTER":
+ var x = (this._screenWidth - this._image.naturalWidth) / 2;
+ var y = (this._screenHeight - this._image.naturalHeight) / 2;
+ ctx.drawImage(this._image, x, y);
+ break;
+ case "FILL":
+ //Try maxing width first, overflow height
+ var widthRatio = this._screenWidth / this._image.naturalWidth;
+ var width = this._image.naturalWidth * widthRatio;
+ var height = this._image.naturalHeight * widthRatio;
+ if (height < this._screenHeight) {
+ //height less than screen, max height and overflow width
+ var heightRatio = this._screenHeight / this._image.naturalHeight;
+ width = this._image.naturalWidth * heightRatio;
+ height = this._image.naturalHeight * heightRatio;
+ }
+ var x = (this._screenWidth - width) / 2;
+ var y = (this._screenHeight - height) / 2;
+ ctx.drawImage(this._image, x, y, width, height);
+ break;
+ case "FIT":
+ //Try maxing width first, top and bottom borders
+ var widthRatio = this._screenWidth / this._image.naturalWidth;
+ var width = this._image.naturalWidth * widthRatio;
+ var height = this._image.naturalHeight * widthRatio;
+ var x = 0;
+ var y = (this._screenHeight - height) / 2;
+ if (height > this._screenHeight) {
+ //height overflow, maximise height, side borders
+ var heightRatio = this._screenHeight / this._image.naturalHeight;
+ width = this._image.naturalWidth * heightRatio;
+ height = this._image.naturalHeight * heightRatio;
+ x = (this._screenWidth - width) / 2;
+ y = 0;
+ }
+ ctx.drawImage(this._image, x, y, width, height);
+ break;
+ }
+ }
+};