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-rw-r--r--addon-sdk/source/lib/sdk/content/thumbnail.js51
1 files changed, 0 insertions, 51 deletions
diff --git a/addon-sdk/source/lib/sdk/content/thumbnail.js b/addon-sdk/source/lib/sdk/content/thumbnail.js
deleted file mode 100644
index 783615fc6..000000000
--- a/addon-sdk/source/lib/sdk/content/thumbnail.js
+++ /dev/null
@@ -1,51 +0,0 @@
-/* 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/. */
-'use strict';
-
-module.metadata = {
- 'stability': 'unstable'
-};
-
-const { Cc, Ci, Cu } = require('chrome');
-const AppShellService = Cc['@mozilla.org/appshell/appShellService;1'].
- getService(Ci.nsIAppShellService);
-
-const NS = 'http://www.w3.org/1999/xhtml';
-const COLOR = 'rgb(255,255,255)';
-
-/**
- * Creates canvas element with a thumbnail of the passed window.
- * @param {Window} window
- * @returns {Element}
- */
-function getThumbnailCanvasForWindow(window) {
- let aspectRatio = 0.5625; // 16:9
- let thumbnail = AppShellService.hiddenDOMWindow.document
- .createElementNS(NS, 'canvas');
- thumbnail.mozOpaque = true;
- thumbnail.width = Math.ceil(window.screen.availWidth / 5.75);
- thumbnail.height = Math.round(thumbnail.width * aspectRatio);
- let ctx = thumbnail.getContext('2d');
- let snippetWidth = window.innerWidth * .6;
- let scale = thumbnail.width / snippetWidth;
- ctx.scale(scale, scale);
- ctx.drawWindow(window, window.scrollX, window.scrollY, snippetWidth,
- snippetWidth * aspectRatio, COLOR);
- return thumbnail;
-}
-exports.getThumbnailCanvasForWindow = getThumbnailCanvasForWindow;
-
-/**
- * Creates Base64 encoded data URI of the thumbnail for the passed window.
- * @param {Window} window
- * @returns {String}
- */
-exports.getThumbnailURIForWindow = function getThumbnailURIForWindow(window) {
- return getThumbnailCanvasForWindow(window).toDataURL()
-};
-
-// default 80x45 blank when not available
-exports.BLANK = 'data:image/png;base64,' +
- 'iVBORw0KGgoAAAANSUhEUgAAAFAAAAAtCAYAAAA5reyyAAAAJElEQVRoge3BAQ'+
- 'EAAACCIP+vbkhAAQAAAAAAAAAAAAAAAADXBjhtAAGQ0AF/AAAAAElFTkSuQmCC';