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27 #include "PlatformUtilities.h"
28 #include "PlatformWebView.h"
29 #include <WebKit/WKRetainPtr.h>
31 namespace TestWebKitAPI {
33 static bool didFinishLoad;
35 static void didFinishLoadForFrame(WKPageRef, WKFrameRef, WKTypeRef, const void*)
40 static void setPageLoaderClient(WKPageRef page)
42 WKPageLoaderClient loaderClient;
43 memset(&loaderClient, 0, sizeof(loaderClient));
44 loaderClient.version = 0;
45 loaderClient.didFinishLoadForFrame = didFinishLoadForFrame;
47 WKPageSetPageLoaderClient(page, &loaderClient);
50 static void flushMessages(WKPageRef page)
52 // In order to ensure all pending messages have been handled by the UI and web processes, we
53 // load a URL and wait for the load to finish.
55 setPageLoaderClient(page);
57 WKPageLoadURL(page, adoptWK(Util::createURLForResource("simple", "html")).get());
58 Util::run(&didFinishLoad);
59 didFinishLoad = false;
61 WKPageSetPageLoaderClient(page, 0);
64 static bool timerFired;
65 static void CALLBACK timerCallback(HWND hwnd, UINT, UINT_PTR timerID, DWORD)
67 ::KillTimer(hwnd, timerID);
71 static void runForDuration(double seconds)
73 ::SetTimer(0, 0, seconds * 1000, timerCallback);
74 Util::run(&timerFired);
78 static void waitForBackingStoreUpdate(WKPageRef page)
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
83 // FIXME: It would be much less fragile (and maybe faster) to have an explicit way to wait
84 // until the backing store is updated.
89 TEST(WebKit2, ResizeViewWhileHidden)
91 WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
92 PlatformWebView webView(context.get());
94 HWND window = WKViewGetWindow(webView.platformView());
97 ::GetClientRect(window, &originalRect);
98 RECT newRect = originalRect;
99 ::InflateRect(&newRect, 1, 1);
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 created.
103 ::ShowWindow(window, SW_SHOW);
104 webView.resizeTo(newRect.right - newRect.left, newRect.bottom - newRect.top);
106 waitForBackingStoreUpdate(webView.page());
108 // Resize the window while hidden and show it again so that it will update its backing store at
110 ::ShowWindow(window, SW_HIDE);
111 webView.resizeTo(originalRect.right - originalRect.left, originalRect.bottom - originalRect.top);
112 ::ShowWindow(window, SW_SHOW);
114 // Force the WKView to paint to try to trigger <http://webkit.org/b/54142>.
115 ::SendMessage(window, WM_PAINT, 0, 0);
117 // In Debug builds without the fix for <http://webkit.org/b/54141>, the web process will assert
119 // FIXME: It would be good to have a way to check that our behavior is correct in Release
121 waitForBackingStoreUpdate(webView.page());
124 } // namespace TestWebKitAPI