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/*
* 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 "Test.h"
#include "PlatformUtilities.h"
#include "PlatformWebView.h"
#include <WebKit2/WKRetainPtr.h>
namespace TestWebKitAPI {
static bool didFinishLoad;
static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*)
{
didFinishLoad = true;
}
static void setPageLoaderClient(WKPageRef page)
{
WKPageLoaderClient loaderClient;
memset(&loaderClient, 0, sizeof(loaderClient));
loaderClient.version = 0;
loaderClient.didFinishLoadForFrame = didFinishLoadForFrame;
WKPageSetPageLoaderClient(page, &loaderClient);
}
static void flushMessages(WKPageRef page)
{
// In order to ensure all pending messages have been handled by the UI and web processes, we
// load a URL and wait for the load to finish.
setPageLoaderClient(page);
WKPageLoadURL(page, adoptWK(Util::createURLForResource("simple", "html")).get());
Util::run(&didFinishLoad);
didFinishLoad = false;
WKPageSetPageLoaderClient(page, 0);
}
static bool timerFired;
static void CALLBACK timerCallback(HWND hwnd, UINT, UINT_PTR timerID, DWORD)
{
::KillTimer(hwnd, timerID);
timerFired = true;
}
static void runForDuration(double seconds)
{
::SetTimer(0, 0, seconds * 1000, timerCallback);
Util::run(&timerFired);
timerFired = false;
}
static void waitForBackingStoreUpdate(WKPageRef page)
{
// Wait for the web process to handle the changes we just made, to perform a display (which
// happens on a timer), and to tell the UI process about the display (which updates the backing
// store).
// FIXME: It would be much less fragile (and maybe faster) to have an explicit way to wait
// until the backing store is updated.
runForDuration(0.5);
flushMessages(page);
}
TEST(WebKit2, ResizeViewWhileHidden)
{
WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
PlatformWebView webView(context.get());
HWND window = WKViewGetWindow(webView.platformView());
RECT originalRect;
::GetClientRect(window, &originalRect);
RECT newRect = originalRect;
::InflateRect(&newRect, 1, 1);
// Show the WKView and resize it so that the WKView's backing store will be created. Ideally
// we'd have some more explicit way of forcing the backing store to be created.
::ShowWindow(window, SW_SHOW);
webView.resizeTo(newRect.right - newRect.left, newRect.bottom - newRect.top);
waitForBackingStoreUpdate(webView.page());
// Resize the window while hidden and show it again so that it will update its backing store at
// the new size.
::ShowWindow(window, SW_HIDE);
webView.resizeTo(originalRect.right - originalRect.left, originalRect.bottom - originalRect.top);
::ShowWindow(window, SW_SHOW);
// Force the WKView to paint to try to trigger <http://webkit.org/b/54142>.
::SendMessage(window, WM_PAINT, 0, 0);
// In Debug builds without the fix for <http://webkit.org/b/54141>, the web process will assert
// at this point.
// FIXME: It would be good to have a way to check that our behavior is correct in Release
// builds, too!
waitForBackingStoreUpdate(webView.page());
}
} // namespace TestWebKitAPI
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