flutter_flutter/engine/core/rendering/RenderCustomLayout.cpp
Ojan Vafai aecc73f1f5 First iteration on custom layout.
This allows setting x/y/width/height directly on an element
during a synchronous layout callback. At the moment, you can do
dangerous things (e.g. change tree structure). In a followup patch
we'll make that impossible via an IDL guard.

R=abarth@chromium.org

Review URL: https://codereview.chromium.org/1023753007
2015-04-01 19:16:29 -07:00

43 lines
1.1 KiB
C++

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "sky/engine/config.h"
#include "sky/engine/core/rendering/RenderCustomLayout.h"
#include "sky/engine/core/rendering/RenderLayer.h"
#include "sky/engine/core/layout/LayoutCallback.h"
namespace blink {
RenderCustomLayout::RenderCustomLayout(ContainerNode* node)
: RenderBlock(node)
{
}
RenderCustomLayout::~RenderCustomLayout()
{
}
void RenderCustomLayout::layout()
{
// TODO(ojan): This should really be done by the author code, but
// if the author code doesn't call layout, then we won't clear the
// needsLayout bit and we'll assert.
for (RenderBox* child = firstChildBox(); child; child = child->nextSiblingBox()) {
child->layoutIfNeeded();
}
ASSERT(node()->isElementNode());
toElement(node())->layoutManager()->handleEvent();
clearNeedsLayout();
}
const char* RenderCustomLayout::renderName() const
{
return "RenderCustomLayout";
}
} // namespace blink