Nika Layzell
e45c9840d1
This changes how the `nsIStringInputStream` interface is initialized in C++ code to make it support larger stream sizes better. This involved moving away from using nsCString in some cases, as it has a maximum string length of approximately 2GiB. This also required changing the signature of one of the methods making it no longer JS-compatible. As the `setData` method was awkward to use from JS anyway, the method was split into two (one for C++ callers, and one for JS callers), and renamed. This required changes to the various JS callers. Differential Revision: https://phabricator.services.mozilla.com/D231982
79 lines
2.1 KiB
HTML
79 lines
2.1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<div id="edit" contenteditable></div>
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<script>
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const Cc = SpecialPowers.Cc;
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const Ci = SpecialPowers.Ci;
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function getHTMLEditor(aWindow) {
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let editingSession = SpecialPowers.wrap(aWindow).docShell.editingSession;
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if (!editingSession) {
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return null;
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}
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let editor = editingSession.getEditorForWindow(aWindow);
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if (!editor) {
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return null;
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}
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return editor.QueryInterface(Ci.nsIHTMLEditor);
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}
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const TESTS = [
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{
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mimeType: "image/gif",
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base64: "R0lGODdhAQACAPABAAD/AP///ywAAAAAAQACAAACAkQKADs="
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},
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{
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mimeType: "image/jpeg",
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base64: "/9j/4AAQSkZJRgABAQEASABIAAD/2wBDAP//////////////////////////////////////////////////////////////////////////////////////wgALCAABAAEBAREA/8QAFBABAAAAAAAAAAAAAAAAAAAAAP/aAAgBAQABPxA="
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},
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{
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mimeType: "image/png",
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base64: "iVBORw0KGgoAAAANSUhEUgAAAAYAAAAGCAIAAABvrngfAAAAFklEQVQImWMwjWhCQwxECoW3oCHihAB0LyYv5/oAHwAAAABJRU5ErkJggg=="
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},
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];
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add_task(async function() {
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await new Promise(resolve => SimpleTest.waitForFocus(resolve, window));
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let edit = document.getElementById("edit");
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edit.focus();
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await new Promise(resolve => SimpleTest.executeSoon(resolve));
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for (const test of TESTS) {
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let bin = window.atob(test.base64);
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let stringStream = Cc["@mozilla.org/io/string-input-stream;1"].createInstance(
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Ci.nsIStringInputStream
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);
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stringStream.setByteStringData(bin);
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let trans = Cc["@mozilla.org/widget/transferable;1"].createInstance(
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Ci.nsITransferable
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);
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trans.init(null);
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trans.setTransferData(test.mimeType, stringStream);
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let evt = new Promise(resolve =>
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edit.addEventListener("input", resolve, {once: true}));
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getHTMLEditor(window).pasteTransferable(trans);
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await evt;
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is(edit.innerHTML,
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"<img src=\"data:" + test.mimeType + ";base64," + test.base64 + "\" alt=\"\">",
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"pastedTransferable pastes image as data URL");
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edit.innerHTML = "";
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}
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});
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</script>
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</body>
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</html>
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