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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "webkit/default_plugin/plugin_main.h"
#include "base/logging.h"
#include "base/string_util.h"
#include "webkit/default_plugin/plugin_impl.h"
#include "webkit/glue/webkit_glue.h"
namespace default_plugin {
//
// Forward declare the linker-provided pseudo variable for the
// current module handle.
//
extern "C" IMAGE_DOS_HEADER __ImageBase;
// get the handle to the currently executing module
inline HMODULE GetCurrentModuleHandle() {
return reinterpret_cast<HINSTANCE>(&__ImageBase);
}
// Initialized in NP_Initialize.
NPNetscapeFuncs* g_browser = NULL;
NPError API_CALL NP_GetEntryPoints(NPPluginFuncs* funcs) {
funcs->version = 11;
funcs->size = sizeof(*funcs);
funcs->newp = NPP_New;
funcs->destroy = NPP_Destroy;
funcs->setwindow = NPP_SetWindow;
funcs->newstream = NPP_NewStream;
funcs->destroystream = NPP_DestroyStream;
funcs->writeready = NPP_WriteReady;
funcs->write = NPP_Write;
funcs->asfile = NULL;
funcs->print = NULL;
funcs->event = NPP_HandleEvent;
funcs->urlnotify = NPP_URLNotify;
funcs->getvalue = NULL;
funcs->setvalue = NULL;
return NPERR_NO_ERROR;
}
NPError API_CALL NP_Initialize(NPNetscapeFuncs* funcs) {
g_browser = funcs;
return 0;
}
NPError API_CALL NP_Shutdown(void) {
g_browser = NULL;
return 0;
}
namespace {
// This function is only invoked when the default plugin is invoked
// with a special mime type application/chromium-test-default-plugin
void SignalTestResult(NPP instance) {
NPObject *window_obj = NULL;
g_browser->getvalue(instance, NPNVWindowNPObject, &window_obj);
if (!window_obj) {
NOTREACHED();
return;
}
std::string script = "javascript:onSuccess()";
NPString script_string;
script_string.UTF8Characters = script.c_str();
script_string.UTF8Length =
static_cast<unsigned int>(script.length());
NPVariant result_var;
NPError result = g_browser->evaluate(instance, window_obj,
&script_string, &result_var);
g_browser->releaseobject(window_obj);
}
} // namespace CHROMIUM_DefaultPluginTest
NPError NPP_New(NPMIMEType plugin_type, NPP instance, uint16 mode, int16 argc,
char* argn[], char* argv[], NPSavedData* saved) {
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
// We don't want the null plugin to work in the following cases:-
// 1. Test-shell
// 2. The plugin is running in the renderer process.
if (webkit_glue::IsPluginRunningInRendererProcess()) {
if (!base::strcasecmp(plugin_type,
"application/chromium-test-default-plugin")) {
SignalTestResult(instance);
return NPERR_NO_ERROR;
}
return NPERR_GENERIC_ERROR;
}
PluginInstallerImpl* plugin_impl = new PluginInstallerImpl(mode);
plugin_impl->Initialize(GetCurrentModuleHandle(), instance, plugin_type, argc,
argn, argv);
instance->pdata = reinterpret_cast<void*>(plugin_impl);
return NPERR_NO_ERROR;
}
NPError NPP_Destroy(NPP instance, NPSavedData** save) {
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (plugin_impl) {
plugin_impl->Shutdown();
delete plugin_impl;
}
return NPERR_NO_ERROR;
}
NPError NPP_SetWindow(NPP instance, NPWindow* window_info) {
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
if (window_info == NULL) {
NOTREACHED();
return NPERR_GENERIC_ERROR;
}
// We may still get a NPP_SetWindow call from webkit in the
// single-process/test_shell case, as this gets invoked in the plugin
// destruction code path.
if (webkit_glue::IsPluginRunningInRendererProcess()) {
return NPERR_GENERIC_ERROR;
}
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (plugin_impl == NULL) {
NOTREACHED();
return NPERR_GENERIC_ERROR;
}
HWND window_handle = reinterpret_cast<HWND>(window_info->window);
if (!plugin_impl->SetWindow(window_handle)) {
delete plugin_impl;
return NPERR_GENERIC_ERROR;
}
return NPERR_NO_ERROR;
}
NPError NPP_NewStream(NPP instance, NPMIMEType type, NPStream* stream,
NPBool seekable, uint16* stype) {
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (!plugin_impl) {
NOTREACHED();
return NPERR_INVALID_INSTANCE_ERROR;
}
plugin_impl->NewStream(stream);
return NPERR_NO_ERROR;
}
NPError NPP_DestroyStream(NPP instance, NPStream* stream, NPReason reason) {
if (instance == NULL)
return NPERR_INVALID_INSTANCE_ERROR;
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (!plugin_impl) {
NOTREACHED();
return NPERR_INVALID_INSTANCE_ERROR;
}
plugin_impl->DestroyStream(stream, reason);
return NPERR_NO_ERROR;
}
int32 NPP_WriteReady(NPP instance, NPStream* stream) {
if (instance == NULL)
return 0;
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (!plugin_impl) {
NOTREACHED();
return 0;
}
if (plugin_impl->WriteReady(stream))
return 0x7FFFFFFF;
return 0;
}
int32 NPP_Write(NPP instance, NPStream* stream, int32 offset, int32 len,
void* buffer) {
if (instance == NULL)
return 0;
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (!plugin_impl) {
NOTREACHED();
return 0;
}
return plugin_impl->Write(stream, offset, len, buffer);
}
void NPP_URLNotify(NPP instance, const char* url, NPReason reason,
void* notifyData) {
if (instance != NULL) {
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
if (!plugin_impl) {
NOTREACHED();
return;
}
plugin_impl->URLNotify(url, reason);
}
}
int16 NPP_HandleEvent(NPP instance, void* event) {
if (instance == NULL)
return 0;
PluginInstallerImpl* plugin_impl =
reinterpret_cast<PluginInstallerImpl*>(instance->pdata);
return plugin_impl->NPP_HandleEvent(event);
}
} // default_plugin
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