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      1 /*
      2  * Copyright (C) 2010 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 "PluginTest.h"
     27 
     28 #include "PluginObject.h"
     29 
     30 using namespace std;
     31 
     32 // Plugin's HWND should be sized/positioned before NPP_SetWindow is called.
     33 
     34 class WindowGeometryInitializedBeforeSetWindow : public PluginTest {
     35 public:
     36     WindowGeometryInitializedBeforeSetWindow(NPP npp, const string& identifier)
     37         : PluginTest(npp, identifier)
     38         , m_didReceiveInitialSetWindowCall(false)
     39     {
     40     }
     41 
     42 private:
     43     virtual NPError NPP_SetWindow(NPP instance, NPWindow* window)
     44     {
     45         if (m_didReceiveInitialSetWindowCall)
     46             return NPERR_NO_ERROR;
     47         m_didReceiveInitialSetWindowCall = true;
     48 
     49         if (window->type != NPWindowTypeWindow) {
     50             pluginLog(instance, "window->type should be NPWindowTypeWindow but was %d", window->type);
     51             return NPERR_GENERIC_ERROR;
     52         }
     53 
     54         HWND hwnd = reinterpret_cast<HWND>(window->window);
     55         RECT rect;
     56         if (!::GetClientRect(hwnd, &rect)) {
     57             pluginLog(instance, "::GetClientRect failed");
     58             return NPERR_GENERIC_ERROR;
     59         }
     60 
     61         if (::IsRectEmpty(&rect)) {
     62             pluginLog(instance, "Plugin's HWND has not been sized when NPP_SetWindow is called");
     63             return NPERR_GENERIC_ERROR;
     64         }
     65 
     66         HWND parent = ::GetParent(hwnd);
     67         if (!parent) {
     68             pluginLog(instance, "::GetParent failed");
     69             return NPERR_GENERIC_ERROR;
     70         }
     71 
     72         // MSDN says that calling ::MapWindowPoints this way will tell it we're passing a RECT rather than two POINTs.
     73         if (!::MapWindowPoints(hwnd, parent, reinterpret_cast<POINT*>(&rect), 2)) {
     74             pluginLog(instance, "::MapWindowPoints failed");
     75             return NPERR_GENERIC_ERROR;
     76         }
     77 
     78         if (rect.left != window->x || rect.top != window->y || (rect.right - rect.left) != window->width || (rect.bottom - rect.top) != window->height) {
     79             pluginLog(instance, "HWND's rect and NPWindow's rect are not equal");
     80             return NPERR_GENERIC_ERROR;
     81         }
     82 
     83         pluginLog(instance, "Plugin's HWND has been sized and positioned before NPP_SetWindow was called");
     84         return NPERR_NO_ERROR;
     85     }
     86 
     87     bool m_didReceiveInitialSetWindowCall;
     88 };
     89 
     90 static PluginTest::Register<WindowGeometryInitializedBeforeSetWindow> windowGeometryInitializedBeforeSetWindow("window-geometry-initialized-before-set-window");
     91