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a259026c9d
This also removes any redundant Ci.nsISupports elements in the interface
lists.
This was done using the following script:
acecb401b7/processors/chromeutils-generateQI.jsm
MozReview-Commit-ID: AIx10P8GpZY
--HG--
extra : rebase_source : a29c07530586dc18ba040f19215475ac20fcfb3b
63 lines
1.9 KiB
JavaScript
63 lines
1.9 KiB
JavaScript
const THUMBNAIL_DIRECTORY = "thumbnails";
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ChromeUtils.import("resource://gre/modules/XPCOMUtils.jsm", this);
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ChromeUtils.import("resource://gre/modules/osfile.jsm", this);
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XPCOMUtils.defineLazyGetter(this, "gCryptoHash", function() {
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return Cc["@mozilla.org/security/hash;1"].createInstance(Ci.nsICryptoHash);
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});
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XPCOMUtils.defineLazyGetter(this, "gUnicodeConverter", function() {
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let converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
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.createInstance(Ci.nsIScriptableUnicodeConverter);
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converter.charset = "utf8";
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return converter;
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});
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function PageThumbsStorageService() {}
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PageThumbsStorageService.prototype = {
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classID: Components.ID("{97943eec-0e48-49ef-b7b7-cf4aa0109bb6}"),
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QueryInterface: ChromeUtils.generateQI([Ci.nsIPageThumbsStorageService]),
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_xpcom_categories: [{
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service: true
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}],
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// The path for the storage
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_path: null,
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get path() {
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if (!this._path) {
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this._path = OS.Path.join(OS.Constants.Path.localProfileDir, THUMBNAIL_DIRECTORY);
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}
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return this._path;
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},
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getLeafNameForURL(aURL) {
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if (typeof aURL != "string") {
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throw new TypeError("Expecting a string");
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}
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let hash = this._calculateMD5Hash(aURL);
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return hash + ".png";
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},
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getFilePathForURL(aURL) {
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return OS.Path.join(this.path, this.getLeafNameForURL(aURL));
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},
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_calculateMD5Hash(aValue) {
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let hash = gCryptoHash;
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let value = gUnicodeConverter.convertToByteArray(aValue);
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hash.init(hash.MD5);
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hash.update(value, value.length);
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return this._convertToHexString(hash.finish(false));
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},
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_convertToHexString(aData) {
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let hex = "";
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for (let i = 0; i < aData.length; i++)
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hex += ("0" + aData.charCodeAt(i).toString(16)).slice(-2);
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return hex;
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},
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([PageThumbsStorageService]);
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