widget/GfxInfoCollector.cpp
author Jan Henning <jh+bugzilla@buttercookie.de>
Fri, 11 Jan 2019 21:21:41 +0000
changeset 453568 0355f47af6ceab050018e9c27fc9d9c4bb944662
parent 448947 6f3709b3878117466168c40affa7bca0b60cf75b
child 472056 e1993a1f09ac53cd1a04fdf6a87f8cad8e44f73e
permissions -rw-r--r--
Bug 1517976 - Test that resetting WindowUtils.isFirstPaint doesn't clobber APZ scroll position. r=botond We need to setup a case where the visual viewport is smaller than the layout viewport. Faking a pinch zoom through touch events is imprecise, whereas calling windowUtils.setResolutionAndScaleTo(value > 1) to simulate the equivalent effect of a pinch-zoom on the page led to the subsequent scroll attempt failing quite often even after calling waitForApzFlushedRepaints(). So instead, we set up a very wide layout viewport through the meta viewport tag, which on Desktop means additionally enabling the dom.meta-viewport.enabled pref. Differential Revision: https://phabricator.services.mozilla.com/D15791

/* vim: se cin sw=2 ts=2 et : */
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "GfxInfoCollector.h"
#include "jsapi.h"
#include "nsString.h"

using namespace mozilla;
using namespace widget;

void InfoObject::DefineProperty(const char *name, int value) {
  if (!mOk) return;

  mOk = JS_DefineProperty(mCx, mObj, name, value, JSPROP_ENUMERATE);
}

void InfoObject::DefineProperty(const char *name, nsAString &value) {
  if (!mOk) return;

  const nsString &flat = PromiseFlatString(value);
  JS::Rooted<JSString *> string(
      mCx, JS_NewUCStringCopyN(mCx, static_cast<const char16_t *>(flat.get()),
                               flat.Length()));
  if (!string) mOk = false;

  if (!mOk) return;

  mOk = JS_DefineProperty(mCx, mObj, name, string, JSPROP_ENUMERATE);
}

void InfoObject::DefineProperty(const char *name, const char *value) {
  nsAutoString string = NS_ConvertASCIItoUTF16(value);
  DefineProperty(name, string);
}

InfoObject::InfoObject(JSContext *aCx) : mCx(aCx), mObj(aCx), mOk(true) {
  mObj = JS_NewPlainObject(aCx);
  if (!mObj) mOk = false;
}