| /* |
| * Copyright (C) 2011 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "CoalescedWindowGeometriesUpdater.h" |
| |
| #include "WindowGeometry.h" |
| #include <wtf/PassOwnPtr.h> |
| |
| namespace WebKit { |
| |
| CoalescedWindowGeometriesUpdater::CoalescedWindowGeometriesUpdater() |
| { |
| } |
| |
| CoalescedWindowGeometriesUpdater::~CoalescedWindowGeometriesUpdater() |
| { |
| } |
| |
| void CoalescedWindowGeometriesUpdater::addPendingUpdate(const WindowGeometry& geometry) |
| { |
| m_geometries.set(geometry.window, geometry); |
| } |
| |
| static void setWindowRegion(HWND window, PassOwnPtr<HRGN> popRegion) |
| { |
| OwnPtr<HRGN> region = popRegion; |
| |
| if (!::SetWindowRgn(window, region.get(), TRUE)) |
| return; |
| |
| // Windows owns the region now. |
| region.leakPtr(); |
| } |
| |
| void CoalescedWindowGeometriesUpdater::updateGeometries(BringToTopOrNot bringToTopOrNot) |
| { |
| HashMap<HWND, WindowGeometry> geometries; |
| geometries.swap(m_geometries); |
| |
| HDWP deferWindowPos = ::BeginDeferWindowPos(geometries.size()); |
| |
| for (HashMap<HWND, WindowGeometry>::const_iterator::Values it = geometries.begin().values(), end = geometries.end().values(); it != end; ++it) { |
| const WindowGeometry& geometry = *it; |
| |
| if (!::IsWindow(geometry.window)) |
| continue; |
| |
| UINT flags = SWP_NOACTIVATE; |
| if (geometry.visible) |
| flags |= SWP_SHOWWINDOW; |
| else |
| flags |= SWP_HIDEWINDOW; |
| |
| HWND hwndInsertAfter; |
| if (bringToTopOrNot == BringToTop) |
| hwndInsertAfter = HWND_TOP; |
| else { |
| hwndInsertAfter = 0; |
| flags |= SWP_NOOWNERZORDER | SWP_NOZORDER; |
| } |
| |
| deferWindowPos = ::DeferWindowPos(deferWindowPos, geometry.window, hwndInsertAfter, geometry.frame.x(), geometry.frame.y(), geometry.frame.width(), geometry.frame.height(), flags); |
| |
| setWindowRegion(geometry.window, adoptPtr(::CreateRectRgn(geometry.clipRect.x(), geometry.clipRect.y(), geometry.clipRect.maxX(), geometry.clipRect.maxY()))); |
| } |
| |
| ::EndDeferWindowPos(deferWindowPos); |
| } |
| |
| } // namespace WebKit |