зеркало из https://github.com/mozilla/gecko-dev.git
205 строки
6.2 KiB
JavaScript
205 строки
6.2 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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require("sdk/clipboard");
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const { Cc, Ci } = require("chrome");
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const imageTools = Cc["@mozilla.org/image/tools;1"].
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getService(Ci.imgITools);
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const io = Cc["@mozilla.org/network/io-service;1"].
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getService(Ci.nsIIOService);
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const base64png = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYA" +
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"AABzenr0AAAASUlEQVRYhe3O0QkAIAwD0eyqe3Q993AQ3cBSUKpygfsNTy" +
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"N5ugbQpK0BAADgP0BRDWXWlwEAAAAAgPsA3rzDaAAAAHgPcGrpgAnzQ2FG" +
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"bWRR9AAAAABJRU5ErkJggg%3D%3D";
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const { base64jpeg } = require("./fixtures");
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const { platform } = require("sdk/system");
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// For Windows, Mac and Linux, platform returns the following: winnt, darwin and linux.
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var isWindows = platform.toLowerCase().indexOf("win") == 0;
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const canvasHTML = "data:text/html," + encodeURIComponent(
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"<html>\
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<body>\
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<canvas width='32' height='32'></canvas>\
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</body>\
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</html>"
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);
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function comparePixelImages(imageA, imageB, callback) {
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let tabs = require("sdk/tabs");
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tabs.open({
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url: canvasHTML,
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onReady: function onReady(tab) {
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let worker = tab.attach({
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contentScript: "new " + function() {
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let canvas = document.querySelector("canvas");
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let context = canvas.getContext("2d");
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self.port.on("draw-image", function(imageURI) {
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let img = new Image();
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img.onload = function() {
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context.drawImage(this, 0, 0);
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let pixels = Array.join(context.getImageData(0, 0, 32, 32).data);
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self.port.emit("image-pixels", pixels);
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}
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img.src = imageURI;
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});
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}
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});
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let compared = "";
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worker.port.on("image-pixels", function (pixels) {
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if (!compared) {
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compared = pixels;
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this.emit("draw-image", imageB);
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} else {
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tab.close(callback.bind(null, compared === pixels))
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}
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});
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worker.port.emit("draw-image", imageA);
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}
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});
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}
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// Test the typical use case, setting & getting with no flavors specified
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exports["test With No Flavor"] = function(assert) {
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var contents = "hello there";
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var flavor = "text";
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var fullFlavor = "text/unicode";
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var clip = require("sdk/clipboard");
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// Confirm we set the clipboard
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assert.ok(clip.set(contents));
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// Confirm flavor is set
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assert.equal(clip.currentFlavors[0], flavor);
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// Confirm we set the clipboard
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assert.equal(clip.get(), contents);
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// Confirm we can get the clipboard using the flavor
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assert.equal(clip.get(flavor), contents);
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// Confirm we can still get the clipboard using the full flavor
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assert.equal(clip.get(fullFlavor), contents);
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};
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// Test the slightly less common case where we specify the flavor
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exports["test With Flavor"] = function(assert) {
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var contents = "<b>hello there</b>";
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var contentsText = "hello there";
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// On windows, HTML clipboard includes extra data.
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// The values are from widget/windows/nsDataObj.cpp.
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var contentsWindowsHtml = "<html><body>\n<!--StartFragment-->" +
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contents +
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"<!--EndFragment-->\n</body>\n</html>";
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var flavor = "html";
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var fullFlavor = "text/html";
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var unicodeFlavor = "text";
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var unicodeFullFlavor = "text/unicode";
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var clip = require("sdk/clipboard");
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assert.ok(clip.set(contents, flavor));
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assert.equal(clip.currentFlavors[0], unicodeFlavor);
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assert.equal(clip.currentFlavors[1], flavor);
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assert.equal(clip.get(), contentsText);
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assert.equal(clip.get(flavor), isWindows ? contentsWindowsHtml : contents);
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assert.equal(clip.get(fullFlavor), isWindows ? contentsWindowsHtml : contents);
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assert.equal(clip.get(unicodeFlavor), contentsText);
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assert.equal(clip.get(unicodeFullFlavor), contentsText);
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};
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// Test that the typical case still works when we specify the flavor to set
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exports["test With Redundant Flavor"] = function(assert) {
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var contents = "<b>hello there</b>";
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var flavor = "text";
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var fullFlavor = "text/unicode";
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var clip = require("sdk/clipboard");
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assert.ok(clip.set(contents, flavor));
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assert.equal(clip.currentFlavors[0], flavor);
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assert.equal(clip.get(), contents);
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assert.equal(clip.get(flavor), contents);
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assert.equal(clip.get(fullFlavor), contents);
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};
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exports["test Not In Flavor"] = function(assert) {
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var contents = "hello there";
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var flavor = "html";
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var clip = require("sdk/clipboard");
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assert.ok(clip.set(contents));
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// If there's nothing on the clipboard with this flavor, should return null
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assert.equal(clip.get(flavor), null);
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};
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exports["test Set Image"] = function(assert) {
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var clip = require("sdk/clipboard");
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var flavor = "image";
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var fullFlavor = "image/png";
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assert.ok(clip.set(base64png, flavor), "clipboard set");
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assert.equal(clip.currentFlavors[0], flavor, "flavor is set");
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};
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exports["test Get Image"] = function(assert, done) {
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var clip = require("sdk/clipboard");
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clip.set(base64png, "image");
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var contents = clip.get();
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comparePixelImages(base64png, contents, function (areEquals) {
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assert.ok(areEquals,
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"Image gets from clipboard equals to image sets to the clipboard");
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done();
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});
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}
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exports["test Set Image Type Not Supported"] = function(assert) {
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var clip = require("sdk/clipboard");
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var flavor = "image";
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assert.throws(function () {
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clip.set(base64jpeg, flavor);
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}, "Invalid flavor for image/jpeg");
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};
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// Notice that `imageTools.decodeImageData`, used by `clipboard.set` method for
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// images, write directly to the javascript console the error in case the image
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// is corrupt, even if the error is catched.
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//
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// See: http://mxr.mozilla.org/mozilla-central/source/image/src/Decoder.cpp#136
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exports["test Set Image Type Wrong Data"] = function(assert) {
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var clip = require("sdk/clipboard");
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var flavor = "image";
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var wrongPNG = "data:image/png" + base64jpeg.substr(15);
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assert.throws(function () {
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clip.set(wrongPNG, flavor);
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}, "Unable to decode data given in a valid image.");
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};
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require("sdk/test").run(exports)
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