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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 "Test.h"
     27 
     28 #include "PlatformUtilities.h"
     29 #include "PlatformWebView.h"
     30 #include "WindowMessageObserver.h"
     31 #include <WebKit2/WKRetainPtr.h>
     32 
     33 namespace TestWebKitAPI {
     34 
     35 static bool didSeeWMChar;
     36 static bool didNotHandleKeyEventCalled;
     37 
     38 static void didNotHandleKeyEventCallback(WKPageRef, WKNativeEventPtr event, const void*)
     39 {
     40     if (event->message != WM_KEYDOWN)
     41         return;
     42 
     43     // Don't call TranslateMessage() here so a WM_CHAR isn't generated.
     44     didNotHandleKeyEventCalled = true;
     45 }
     46 
     47 static void runAndWatchForWMChar(bool* done)
     48 {
     49     while (!*done) {
     50         MSG msg;
     51         BOOL result = ::GetMessageW(&msg, 0, 0, 0);
     52         if (!result || result == -1)
     53             break;
     54 
     55         if (msg.message == WM_CHAR)
     56             didSeeWMChar = true;
     57 
     58         if (Util::shouldTranslateMessage(msg))
     59             ::TranslateMessage(&msg);
     60 
     61         ::DispatchMessage(&msg);
     62     }
     63 }
     64 
     65 TEST(WebKit2, TranslateMessageGeneratesWMChar)
     66 {
     67     WKRetainPtr<WKContextRef> context(AdoptWK, WKContextCreate());
     68     PlatformWebView webView(context.get());
     69 
     70     webView.simulateAKeyDown();
     71 
     72     // WebKit should call TranslateMessage() on the WM_KEYDOWN message to generate the WM_CHAR message.
     73     runAndWatchForWMChar(&didSeeWMChar);
     74 
     75     didSeeWMChar = false;
     76 
     77     WKPageUIClient uiClient;
     78     memset(&uiClient, 0, sizeof(uiClient));
     79 
     80     uiClient.didNotHandleKeyEvent = didNotHandleKeyEventCallback;
     81     WKPageSetPageUIClient(webView.page(), &uiClient);
     82 
     83     webView.simulateAKeyDown();
     84 
     85     runAndWatchForWMChar(&didNotHandleKeyEventCalled);
     86 
     87     // WebKit should not have called TranslateMessage() on the WM_KEYDOWN message since we installed a didNotHandleKeyEvent callback.
     88     TEST_ASSERT(!didSeeWMChar);
     89 }
     90 
     91 } // namespace TestWebKitAPI
     92