Revert 274558 "Move some extensions renderer resources to extens..."

trunk/src/extensions/renderer/resources/set_icon.js

-// 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;