forked from mirrors/gecko-dev
128 lines
3.2 KiB
JavaScript
128 lines
3.2 KiB
JavaScript
Cu.importGlobalProperties(["File"]);
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function createProfDFile() {
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return Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIDirectoryService)
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.QueryInterface(Ci.nsIProperties)
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.get('ProfD', Ci.nsIFile);
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}
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// Creates a parametric arity directory hierarchy as a function of depth.
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// Each directory contains one leaf file, and subdirectories of depth [1, depth).
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// e.g. for depth 3:
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//
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// subdir3
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// - file.txt
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// - subdir2
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// - file.txt
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// - subdir1
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// - file.txt
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// - subdir1
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// - file.txt
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//
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// Returns the parent directory of the subtree.
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function createTreeFile(depth, parent) {
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if (!parent) {
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parent = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIDirectoryService)
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.QueryInterface(Ci.nsIProperties)
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.get('TmpD', Ci.nsIFile);
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parent.append('dir-tree-test');
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parent.createUnique(Ci.nsIFile.DIRECTORY_TYPE, 0o700);
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}
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var nextFile = parent.clone();
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if (depth == 0) {
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nextFile.append('file.txt');
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nextFile.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
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} else {
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nextFile.append('subdir' + depth);
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nextFile.createUnique(Ci.nsIFile.DIRECTORY_TYPE, 0o700);
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// Decrement the maximal depth by one for each level of nesting.
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for (i = 0; i < depth; i++) {
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createTreeFile(i, nextFile);
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}
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}
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return parent;
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}
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function createRootFile() {
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var testFile = createProfDFile();
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// Let's go back to the root of the FileSystem
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while (true) {
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var parent = testFile.parent;
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if (!parent) {
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break;
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}
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testFile = parent;
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}
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return testFile;
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}
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function createTestFile() {
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var tmpFile = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIDirectoryService)
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.QueryInterface(Ci.nsIProperties)
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.get('TmpD', Ci.nsIFile)
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tmpFile.append('dir-test');
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tmpFile.createUnique(Ci.nsIFile.DIRECTORY_TYPE, 0o700);
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var file1 = tmpFile.clone();
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file1.append('foo.txt');
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file1.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
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var dir = tmpFile.clone();
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dir.append('subdir');
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dir.create(Ci.nsIFile.DIRECTORY_TYPE, 0o700);
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var file2 = dir.clone();
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file2.append('bar.txt');
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file2.create(Ci.nsIFile.NORMAL_FILE_TYPE, 0o600);
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return tmpFile;
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}
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addMessageListener("dir.open", function (e) {
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var testFile;
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switch (e.path) {
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case 'ProfD':
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// Note that files in the profile directory are not guaranteed to persist-
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// see bug 1284742.
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testFile = createProfDFile();
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break;
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case 'root':
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testFile = createRootFile();
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break;
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case 'test':
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testFile = createTestFile();
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break;
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case 'tree':
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testFile = createTreeFile(3);
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break;
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}
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sendAsyncMessage("dir.opened", {
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dir: testFile.path,
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name: testFile.leafName
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});
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});
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addMessageListener("file.open", function (e) {
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var testFile = Cc["@mozilla.org/file/directory_service;1"]
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.getService(Ci.nsIDirectoryService)
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.QueryInterface(Ci.nsIProperties)
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.get("ProfD", Ci.nsIFile);
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testFile.append("prefs.js");
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File.createFromNsIFile(testFile).then(function(file) {
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sendAsyncMessage("file.opened", { file });
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});
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});
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