| Index: trunk/src/extensions/renderer/resources/set_icon.js
|
| ===================================================================
|
| --- trunk/src/extensions/renderer/resources/set_icon.js (revision 274563)
|
| +++ trunk/src/extensions/renderer/resources/set_icon.js (working copy)
|
| @@ -1,131 +0,0 @@
|
| -// Copyright 2014 The Chromium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -var SetIconCommon = requireNative('setIcon').SetIconCommon;
|
| -var sendRequest = require('sendRequest').sendRequest;
|
| -
|
| -function loadImagePath(path, iconSize, actionType, callback) {
|
| - var img = new Image();
|
| - img.onerror = function() {
|
| - console.error('Could not load ' + actionType + ' icon \'' +
|
| - path + '\'.');
|
| - };
|
| - img.onload = function() {
|
| - var canvas = document.createElement('canvas');
|
| - canvas.width = img.width > iconSize ? iconSize : img.width;
|
| - canvas.height = img.height > iconSize ? iconSize : img.height;
|
| -
|
| - var canvas_context = canvas.getContext('2d');
|
| - canvas_context.clearRect(0, 0, canvas.width, canvas.height);
|
| - canvas_context.drawImage(img, 0, 0, canvas.width, canvas.height);
|
| - var imageData = canvas_context.getImageData(0, 0, canvas.width,
|
| - canvas.height);
|
| - callback(imageData);
|
| - };
|
| - img.src = path;
|
| -}
|
| -
|
| -function verifyImageData(imageData, iconSize) {
|
| - // Verify that this at least looks like an ImageData element.
|
| - // Unfortunately, we cannot use instanceof because the ImageData
|
| - // constructor is not public.
|
| - //
|
| - // We do this manually instead of using JSONSchema to avoid having these
|
| - // properties show up in the doc.
|
| - if (!('width' in imageData) ||
|
| - !('height' in imageData) ||
|
| - !('data' in imageData)) {
|
| - throw new Error(
|
| - 'The imageData property must contain an ImageData object or' +
|
| - ' dictionary of ImageData objects.');
|
| - }
|
| -
|
| - if (imageData.width > iconSize ||
|
| - imageData.height > iconSize) {
|
| - throw new Error(
|
| - 'The imageData property must contain an ImageData object that ' +
|
| - 'is no larger than ' + iconSize + ' pixels square.');
|
| - }
|
| -}
|
| -
|
| -function setIcon(details, callback, name, parameters, actionType) {
|
| - var iconSizes = [19, 38];
|
| - if ('iconIndex' in details) {
|
| - sendRequest(name, [details, callback], parameters);
|
| - } else if ('imageData' in details) {
|
| - if (typeof details.imageData == 'object') {
|
| - var isEmpty = true;
|
| - for (var i = 0; i < iconSizes.length; i++) {
|
| - var sizeKey = iconSizes[i].toString();
|
| - if (sizeKey in details.imageData) {
|
| - verifyImageData(details.imageData[sizeKey], iconSizes[i]);
|
| - isEmpty =false;
|
| - }
|
| - }
|
| -
|
| - if (!isEmpty) {
|
| - sendRequest(name, [details, callback], parameters,
|
| - {nativeFunction: SetIconCommon});
|
| - } else {
|
| - // If details.imageData is not dictionary with keys in set {'19', '38'},
|
| - // it must be an ImageData object.
|
| - var sizeKey = iconSizes[0].toString();
|
| - var imageData = details.imageData;
|
| - details.imageData = {};
|
| - details.imageData[sizeKey] = imageData;
|
| - verifyImageData(details.imageData[sizeKey], iconSizes[0]);
|
| - sendRequest(name, [details, callback], parameters,
|
| - {nativeFunction: SetIconCommon});
|
| - }
|
| - } else {
|
| - throw new Error('imageData property has unexpected type.');
|
| - }
|
| - } else if ('path' in details) {
|
| - if (typeof details.path == 'object') {
|
| - details.imageData = {};
|
| - var isEmpty = true;
|
| - var processIconSize = function(index) {
|
| - if (index == iconSizes.length) {
|
| - delete details.path;
|
| - if (isEmpty)
|
| - throw new Error('The path property must not be empty.');
|
| - sendRequest(name, [details, callback], parameters,
|
| - {nativeFunction: SetIconCommon});
|
| - return;
|
| - }
|
| - var sizeKey = iconSizes[index].toString();
|
| - if (!(sizeKey in details.path)) {
|
| - processIconSize(index + 1);
|
| - return;
|
| - }
|
| - isEmpty = false;
|
| - loadImagePath(details.path[sizeKey], iconSizes[index], actionType,
|
| - function(imageData) {
|
| - details.imageData[sizeKey] = imageData;
|
| - processIconSize(index + 1);
|
| - });
|
| - }
|
| -
|
| - processIconSize(0);
|
| - } else if (typeof details.path == 'string') {
|
| - var sizeKey = iconSizes[0].toString();
|
| - details.imageData = {};
|
| - loadImagePath(details.path, iconSizes[0], actionType,
|
| - function(imageData) {
|
| - details.imageData[sizeKey] = imageData;
|
| - delete details.path;
|
| - sendRequest(name, [details, callback], parameters,
|
| - {nativeFunction: SetIconCommon});
|
| - });
|
| - } else {
|
| - throw new Error('The path property should contain either string or ' +
|
| - 'dictionary of strings.');
|
| - }
|
| - } else {
|
| - throw new Error(
|
| - 'Either the path or imageData property must be specified.');
|
| - }
|
| -}
|
| -
|
| -exports.setIcon = setIcon;
|
|
|