dom/base/nsViewportInfo.cpp
author Mike Hommey <mh+mozilla@glandium.org>
Thu, 26 Mar 2015 12:07:17 +0900
changeset 258314 fc1e894eec2fbd34b745cd94f505080427d24705
parent 236672 2db29c0ae60b6eb0e196165631127d195fe2ef0b
child 272011 bd079aadd3feeee3f9b9f73c5e0bc4bd6a870722
permissions -rw-r--r--
Bug 1147207 - Add a ComposedFinder class that acts like a FileFinder proxy over multiple FileFinders. r=gps, a=sledru

/* 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 "nsViewportInfo.h"
#include "mozilla/Assertions.h"
#include <algorithm>

using namespace mozilla;

void
nsViewportInfo::SetDefaultZoom(const CSSToScreenScale& aDefaultZoom)
{
  MOZ_ASSERT(aDefaultZoom.scale >= 0.0f);
  mDefaultZoom = aDefaultZoom;
}

void
nsViewportInfo::ConstrainViewportValues()
{
  // Constrain the min/max zoom as specified at:
  // dev.w3.org/csswg/css-device-adapt section 6.2
  mMaxZoom = std::max(mMinZoom, mMaxZoom);

  mDefaultZoom = mDefaultZoom < mMaxZoom ? mDefaultZoom : mMaxZoom;
  mDefaultZoom = mDefaultZoom > mMinZoom ? mDefaultZoom : mMinZoom;
}