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 #ifndef PluginQuirks_h 27 #define PluginQuirks_h 28 29 namespace WebKit { 30 31 class PluginQuirks { 32 public: 33 enum PluginQuirk { 34 // Mac specific quirks: 35 #if PLUGIN_ARCHITECTURE(MAC) 36 // The plug-in wants the call to getprogame() to return "WebKitPluginHost". 37 // Adobe Flash Will not handle key down events otherwise. 38 PrognameShouldBeWebKitPluginHost, 39 40 // Supports receiving a paint event, even when using CoreAnimation rendering. 41 SupportsSnapshotting, 42 43 // Make the plug-in transparent if it has a "background" attribute set. 44 // Microsoft Silverlight doesn't opt into transparency using NPN_SetValue and 45 // NPPVpluginTransparentBool, so we'll always force if the plug-in has a "background" 46 // attribute specified, regardless of it's value. 47 // FIXME: We could get more fancy here and check for specific values that we know are 48 // transparent. 49 MakeTransparentIfBackgroundAttributeExists, 50 51 #ifndef NP_NO_QUICKDRAW 52 // Allow the plug-in to use the QuickDraw drawing model, since we know that the plug-in 53 // will never paint or receive events. Used by the AppleConnect plug-in. 54 AllowHalfBakedQuickDrawSupport, 55 #endif 56 57 // X11 specific quirks: 58 #elif PLUGIN_ARCHITECTURE(X11) 59 // Flash and npwrapper ask the browser about which GTK version does it use 60 // and refuse to load and work if it is not GTK 2 so we need to fake it in 61 // NPN_GetValue even when it is a lie. 62 RequiresGTKToolKit, 63 #endif 64 NumPluginQuirks 65 }; 66 PluginQuirks()67 PluginQuirks() 68 : m_quirks(0) 69 { 70 COMPILE_ASSERT(sizeof(m_quirks) * 8 >= NumPluginQuirks, not_enough_room_for_quirks); 71 } 72 add(PluginQuirk quirk)73 void add(PluginQuirk quirk) 74 { 75 ASSERT(quirk >= 0); 76 ASSERT(quirk < NumPluginQuirks); 77 78 m_quirks |= (1 << quirk); 79 } 80 contains(PluginQuirk quirk)81 bool contains(PluginQuirk quirk) const 82 { 83 return m_quirks & (1 << quirk); 84 } 85 86 private: 87 uint32_t m_quirks; 88 }; 89 90 } // namespace WebKit 91 92 #endif // PluginQuirkSet_h 93