1/* 2 * Copyright (C) 2011 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "Test.h" 27 28#include "PlatformUtilities.h" 29#include "PlatformWebView.h" 30#include <WebKit2/WKRetainPtr.h> 31 32namespace TestWebKitAPI { 33 34static bool didFinishLoad; 35 36static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*) 37{ 38 didFinishLoad = true; 39} 40 41static void setPageLoaderClient(WKPageRef page) 42{ 43 WKPageLoaderClient loaderClient; 44 memset(&loaderClient, 0, sizeof(loaderClient)); 45 loaderClient.version = 0; 46 loaderClient.didFinishLoadForFrame = didFinishLoadForFrame; 47 48 WKPageSetPageLoaderClient(page, &loaderClient); 49} 50 51static void flushMessages(WKPageRef page) 52{ 53 // In order to ensure all pending messages have been handled by the UI and web processes, we 54 // load a URL and wait for the load to finish. 55 56 setPageLoaderClient(page); 57 58 WKPageLoadURL(page, adoptWK(Util::createURLForResource("simple", "html")).get()); 59 Util::run(&didFinishLoad); 60 didFinishLoad = false; 61 62 WKPageSetPageLoaderClient(page, 0); 63} 64 65static bool timerFired; 66static void CALLBACK timerCallback(HWND hwnd, UINT, UINT_PTR timerID, DWORD) 67{ 68 ::KillTimer(hwnd, timerID); 69 timerFired = true; 70} 71 72static void runForDuration(double seconds) 73{ 74 ::SetTimer(0, 0, seconds * 1000, timerCallback); 75 Util::run(&timerFired); 76 timerFired = false; 77} 78 79static void waitForBackingStoreUpdate(WKPageRef page) 80{ 81 // Wait for the web process to handle the changes we just made, to perform a display (which 82 // happens on a timer), and to tell the UI process about the display (which updates the backing 83 // store). 84 // FIXME: It would be much less fragile (and maybe faster) to have an explicit way to wait 85 // until the backing store is updated. 86 runForDuration(0.5); 87 flushMessages(page); 88} 89 90TEST(WebKit2, ResizeViewWhileHidden) 91{ 92 WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate()); 93 PlatformWebView webView(context.get()); 94 95 HWND window = WKViewGetWindow(webView.platformView()); 96 97 RECT originalRect; 98 ::GetClientRect(window, &originalRect); 99 RECT newRect = originalRect; 100 ::InflateRect(&newRect, 1, 1); 101 102 // Show the WKView and resize it so that the WKView's backing store will be created. Ideally 103 // we'd have some more explicit way of forcing the backing store to be created. 104 ::ShowWindow(window, SW_SHOW); 105 webView.resizeTo(newRect.right - newRect.left, newRect.bottom - newRect.top); 106 107 waitForBackingStoreUpdate(webView.page()); 108 109 // Resize the window while hidden and show it again so that it will update its backing store at 110 // the new size. 111 ::ShowWindow(window, SW_HIDE); 112 webView.resizeTo(originalRect.right - originalRect.left, originalRect.bottom - originalRect.top); 113 ::ShowWindow(window, SW_SHOW); 114 115 // Force the WKView to paint to try to trigger <http://webkit.org/b/54142>. 116 ::SendMessage(window, WM_PAINT, 0, 0); 117 118 // In Debug builds without the fix for <http://webkit.org/b/54141>, the web process will assert 119 // at this point. 120 // FIXME: It would be good to have a way to check that our behavior is correct in Release 121 // builds, too! 122 waitForBackingStoreUpdate(webView.page()); 123} 124 125} // namespace TestWebKitAPI 126