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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #if defined(OS_WIN) | |
| 6 #include <windows.h> | |
| 7 #endif | |
| 8 | |
| 9 #include "build/build_config.h" | |
| 10 #include "gpu/gpu_plugin/gpu_plugin.h" | |
| 11 #include "third_party/npapi/bindings/nphostapi.h" | |
| 12 | |
| 13 namespace gpu_plugin { | |
| 14 | |
| 15 // Definitions of NPAPI plugin entry points. | |
| 16 | |
| 17 namespace { | |
| 18 | |
| 19 // TODO(apatrick): move this to platform specific source files. | |
| 20 #if defined(OS_WIN) | |
| 21 class PluginObject { | |
| 22 public: | |
| 23 PluginObject(); | |
| 24 ~PluginObject(); | |
| 25 | |
| 26 void SetWindow(HWND hwnd); | |
| 27 | |
| 28 private: | |
| 29 HWND hwnd_; | |
| 30 | |
| 31 DISALLOW_COPY_AND_ASSIGN(PluginObject); | |
| 32 }; | |
| 33 | |
| 34 const wchar_t* const kPluginObject = L"GPUPluginObject"; | |
| 35 | |
| 36 PluginObject::PluginObject() : hwnd_(NULL) { | |
| 37 } | |
| 38 | |
| 39 PluginObject::~PluginObject() { | |
| 40 } | |
| 41 | |
| 42 void PluginObject::SetWindow(HWND hwnd) { | |
| 43 hwnd_ = hwnd; | |
| 44 if (hwnd_) { | |
| 45 // TODO: convert this to using app::win::ScopedProp. | |
| 46 // Store plugin object in window property. | |
| 47 SetProp(hwnd_, kPluginObject, reinterpret_cast<HANDLE>(this)); | |
| 48 | |
| 49 // Disable plugin window so mouse messages are passed to the parent window. | |
| 50 EnableWindow(hwnd_, false); | |
| 51 } else { | |
| 52 // Clean up properties. | |
| 53 RemoveProp(hwnd_, kPluginObject); | |
| 54 } | |
| 55 } | |
| 56 | |
| 57 #endif // defined(OS_WIN) | |
| 58 | |
| 59 NPError NPP_New(NPMIMEType plugin_type, NPP instance, | |
| 60 uint16 mode, int16 argc, char* argn[], | |
| 61 char* argv[], NPSavedData* saved) { | |
| 62 if (!instance) | |
| 63 return NPERR_INVALID_INSTANCE_ERROR; | |
| 64 | |
| 65 #if defined(OS_WIN) | |
| 66 instance->pdata = new PluginObject; | |
| 67 #endif | |
| 68 | |
| 69 return NPERR_NO_ERROR; | |
| 70 } | |
| 71 | |
| 72 NPError NPP_Destroy(NPP instance, NPSavedData** saved) { | |
| 73 if (!instance) | |
| 74 return NPERR_INVALID_INSTANCE_ERROR; | |
| 75 | |
| 76 #if defined(OS_WIN) | |
| 77 delete static_cast<PluginObject*>(instance->pdata); | |
| 78 #endif | |
| 79 | |
| 80 return NPERR_NO_ERROR; | |
| 81 } | |
| 82 | |
| 83 NPError NPP_SetWindow(NPP instance, NPWindow* window) { | |
| 84 #if defined(OS_WIN) | |
| 85 PluginObject* plugin_object = static_cast<PluginObject*>(instance->pdata); | |
| 86 plugin_object->SetWindow(reinterpret_cast<HWND>(window->window)); | |
| 87 #endif | |
| 88 | |
| 89 return NPERR_NO_ERROR; | |
| 90 } | |
| 91 | |
| 92 int16 NPP_HandleEvent(NPP instance, void* event) { | |
| 93 return 0; | |
| 94 } | |
| 95 | |
| 96 NPError NPP_GetValue(NPP instance, NPPVariable variable, void *value) { | |
| 97 if (!instance) | |
| 98 return NPERR_INVALID_INSTANCE_ERROR; | |
| 99 switch (variable) { | |
| 100 case NPPVpluginNeedsXEmbed: | |
| 101 *static_cast<NPBool *>(value) = 1; | |
| 102 return NPERR_NO_ERROR; | |
| 103 default: | |
| 104 return NPERR_INVALID_PARAM; | |
| 105 } | |
| 106 } | |
| 107 | |
| 108 NPError NPP_SetValue(NPP instance, NPNVariable variable, void *value) { | |
| 109 return NPERR_NO_ERROR; | |
| 110 } | |
| 111 | |
| 112 } // namespace | |
| 113 | |
| 114 NPError API_CALL NP_GetEntryPoints(NPPluginFuncs* funcs) { | |
| 115 funcs->newp = NPP_New; | |
| 116 funcs->destroy = NPP_Destroy; | |
| 117 funcs->setwindow = NPP_SetWindow; | |
| 118 funcs->event = NPP_HandleEvent; | |
| 119 funcs->getvalue = NPP_GetValue; | |
| 120 funcs->setvalue = NPP_SetValue; | |
| 121 return NPERR_NO_ERROR; | |
| 122 } | |
| 123 | |
| 124 #if defined(OS_POSIX) && !defined(OS_MACOSX) | |
| 125 NPError API_CALL NP_Initialize(NPNetscapeFuncs *browser_funcs, | |
| 126 NPPluginFuncs* plugin_funcs) { | |
| 127 #else | |
| 128 NPError API_CALL NP_Initialize(NPNetscapeFuncs *browser_funcs) { | |
| 129 #endif | |
| 130 if (!browser_funcs) | |
| 131 return NPERR_INVALID_FUNCTABLE_ERROR; | |
| 132 | |
| 133 #if defined(OS_POSIX) && !defined(OS_MACOSX) | |
| 134 NP_GetEntryPoints(plugin_funcs); | |
| 135 #endif | |
| 136 | |
| 137 return NPERR_NO_ERROR; | |
| 138 } | |
| 139 | |
| 140 NPError API_CALL NP_Shutdown() { | |
| 141 return NPERR_NO_ERROR; | |
| 142 } | |
| 143 | |
| 144 } // namespace gpu_plugin | |
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