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| 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 "config.h" | |
| 27 #include "PlatformUtilities.h" | |
| 28 #include "PlatformWebView.h" | |
| 29 #include <WebKit2/WKRetainPtr.h> | |
| 30 | |
| 31 namespace TestWebKitAPI { | |
| 32 | |
| 33 static bool didFinishLoad; | |
| 34 | |
| 35 static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*) | |
| 36 { | |
| 37 didFinishLoad = true; | |
| 38 } | |
| 39 | |
| 40 static void setPageLoaderClient(WKPageRef page) | |
| 41 { | |
| 42 WKPageLoaderClient loaderClient; | |
| 43 memset(&loaderClient, 0, sizeof(loaderClient)); | |
| 44 loaderClient.version = 0; | |
| 45 loaderClient.didFinishLoadForFrame = didFinishLoadForFrame; | |
| 46 | |
| 47 WKPageSetPageLoaderClient(page, &loaderClient); | |
| 48 } | |
| 49 | |
| 50 static void flushMessages(WKPageRef page) | |
| 51 { | |
| 52 // In order to ensure all pending messages have been handled by the UI and w
eb processes, we | |
| 53 // load a URL and wait for the load to finish. | |
| 54 | |
| 55 setPageLoaderClient(page); | |
| 56 | |
| 57 WKPageLoadURL(page, adoptWK(Util::createURLForResource("simple", "html")).ge
t()); | |
| 58 Util::run(&didFinishLoad); | |
| 59 didFinishLoad = false; | |
| 60 | |
| 61 WKPageSetPageLoaderClient(page, 0); | |
| 62 } | |
| 63 | |
| 64 static bool timerFired; | |
| 65 static void CALLBACK timerCallback(HWND hwnd, UINT, UINT_PTR timerID, DWORD) | |
| 66 { | |
| 67 ::KillTimer(hwnd, timerID); | |
| 68 timerFired = true; | |
| 69 } | |
| 70 | |
| 71 static void runForDuration(double seconds) | |
| 72 { | |
| 73 ::SetTimer(0, 0, seconds * 1000, timerCallback); | |
| 74 Util::run(&timerFired); | |
| 75 timerFired = false; | |
| 76 } | |
| 77 | |
| 78 static void waitForBackingStoreUpdate(WKPageRef page) | |
| 79 { | |
| 80 // Wait for the web process to handle the changes we just made, to perform a
display (which | |
| 81 // happens on a timer), and to tell the UI process about the display (which
updates the backing | |
| 82 // store). | |
| 83 // FIXME: It would be much less fragile (and maybe faster) to have an explic
it way to wait | |
| 84 // until the backing store is updated. | |
| 85 runForDuration(0.5); | |
| 86 flushMessages(page); | |
| 87 } | |
| 88 | |
| 89 TEST(WebKit2, ResizeViewWhileHidden) | |
| 90 { | |
| 91 WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate()); | |
| 92 PlatformWebView webView(context.get()); | |
| 93 | |
| 94 HWND window = WKViewGetWindow(webView.platformView()); | |
| 95 | |
| 96 RECT originalRect; | |
| 97 ::GetClientRect(window, &originalRect); | |
| 98 RECT newRect = originalRect; | |
| 99 ::InflateRect(&newRect, 1, 1); | |
| 100 | |
| 101 // Show the WKView and resize it so that the WKView's backing store will be
created. Ideally | |
| 102 // we'd have some more explicit way of forcing the backing store to be creat
ed. | |
| 103 ::ShowWindow(window, SW_SHOW); | |
| 104 webView.resizeTo(newRect.right - newRect.left, newRect.bottom - newRect.top)
; | |
| 105 | |
| 106 waitForBackingStoreUpdate(webView.page()); | |
| 107 | |
| 108 // Resize the window while hidden and show it again so that it will update i
ts backing store at | |
| 109 // the new size. | |
| 110 ::ShowWindow(window, SW_HIDE); | |
| 111 webView.resizeTo(originalRect.right - originalRect.left, originalRect.bottom
- originalRect.top); | |
| 112 ::ShowWindow(window, SW_SHOW); | |
| 113 | |
| 114 // Force the WKView to paint to try to trigger <http://webkit.org/b/54142>. | |
| 115 ::SendMessage(window, WM_PAINT, 0, 0); | |
| 116 | |
| 117 // In Debug builds without the fix for <http://webkit.org/b/54141>, the web
process will assert | |
| 118 // at this point. | |
| 119 // FIXME: It would be good to have a way to check that our behavior is corre
ct in Release | |
| 120 // builds, too! | |
| 121 waitForBackingStoreUpdate(webView.page()); | |
| 122 } | |
| 123 | |
| 124 } // namespace TestWebKitAPI | |
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