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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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