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// Copyright (c) 2009 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/glue/plugins/npapi_extension_thunk.h"
#include "base/logging.h"
#include "third_party/npapi/bindings/npapi_extensions.h"
#include "webkit/glue/plugins/plugin_instance.h"
#include "webkit/glue/webplugin.h"
#include "webkit/glue/webplugin_delegate.h"
//#include "third_party/npapi/bindings/npruntime.h"
#if defined(ENABLE_PEPPER)
// FindInstance()
// Finds a PluginInstance from an NPP.
// The caller must take a reference if needed.
static NPAPI::PluginInstance* FindInstance(NPP id) {
if (id == NULL) {
NOTREACHED();
return NULL;
}
return static_cast<NPAPI::PluginInstance*>(id->ndata);
}
// 2D device API ---------------------------------------------------------------
static NPError Device2DQueryCapability(NPP id, int32 capability, int32* value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
plugin->webplugin()->delegate()->Device2DQueryCapability(capability, value);
return NPERR_NO_ERROR;
} else {
return NPERR_GENERIC_ERROR;
}
}
static NPError Device2DQueryConfig(NPP id,
const NPDeviceConfig* request,
NPDeviceConfig* obtain) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device2DQueryConfig(
static_cast<const NPDeviceContext2DConfig*>(request),
static_cast<NPDeviceContext2DConfig*>(obtain));
}
return NPERR_GENERIC_ERROR;
}
static NPError Device2DInitializeContext(NPP id,
const NPDeviceConfig* config,
NPDeviceContext* context) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device2DInitializeContext(
static_cast<const NPDeviceContext2DConfig*>(config),
static_cast<NPDeviceContext2D*>(context));
}
return NPERR_GENERIC_ERROR;
}
static NPError Device2DSetStateContext(NPP id,
NPDeviceContext* context,
int32 state,
int32 value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device2DSetStateContext(
static_cast<NPDeviceContext2D*>(context), state, value);
}
return NPERR_GENERIC_ERROR;
}
static NPError Device2DGetStateContext(NPP id,
NPDeviceContext* context,
int32 state,
int32* value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device2DGetStateContext(
static_cast<NPDeviceContext2D*>(context), state, value);
}
return NPERR_GENERIC_ERROR;
}
static NPError Device2DFlushContext(NPP id,
NPDeviceContext* context,
NPDeviceFlushContextCallbackPtr callback,
void* user_data) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
NPError err = plugin->webplugin()->delegate()->Device2DFlushContext(
id, static_cast<NPDeviceContext2D*>(context), callback, user_data);
// Invoke the callback to inform the caller the work was done.
// TODO(brettw) this is probably not how we want this to work, this should
// happen when the frame is painted so the plugin knows when it can draw
// the next frame.
if (callback != NULL)
(*callback)(id, context, err, user_data);
// Return any errors.
return err;
}
return NPERR_GENERIC_ERROR;
}
static NPError Device2DDestroyContext(NPP id,
NPDeviceContext* context) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device2DDestroyContext(
static_cast<NPDeviceContext2D*>(context));
}
return NPERR_GENERIC_ERROR;
}
// 3D device API ---------------------------------------------------------------
static NPError Device3DQueryCapability(NPP id, int32 capability, int32* value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
plugin->webplugin()->delegate()->Device3DQueryCapability(capability, value);
return NPERR_NO_ERROR;
} else {
return NPERR_GENERIC_ERROR;
}
}
static NPError Device3DQueryConfig(NPP id,
const NPDeviceConfig* request,
NPDeviceConfig* obtain) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DQueryConfig(
static_cast<const NPDeviceContext3DConfig*>(request),
static_cast<NPDeviceContext3DConfig*>(obtain));
}
return NPERR_GENERIC_ERROR;
}
static NPError Device3DInitializeContext(NPP id,
const NPDeviceConfig* config,
NPDeviceContext* context) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DInitializeContext(
static_cast<const NPDeviceContext3DConfig*>(config),
static_cast<NPDeviceContext3D*>(context));
}
return NPERR_GENERIC_ERROR;
}
static NPError Device3DSetStateContext(NPP id,
NPDeviceContext* context,
int32 state,
int32 value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DSetStateContext(
static_cast<NPDeviceContext3D*>(context), state, value);
}
return NPERR_GENERIC_ERROR;
}
static NPError Device3DGetStateContext(NPP id,
NPDeviceContext* context,
int32 state,
int32* value) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DGetStateContext(
static_cast<NPDeviceContext3D*>(context), state, value);
}
return NPERR_GENERIC_ERROR;
}
static NPError Device3DFlushContext(NPP id,
NPDeviceContext* context,
NPDeviceFlushContextCallbackPtr callback,
void* user_data) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DFlushContext(
id, static_cast<NPDeviceContext3D*>(context), callback, user_data);
}
return NPERR_GENERIC_ERROR;
}
static NPError Device3DDestroyContext(NPP id,
NPDeviceContext* context) {
scoped_refptr<NPAPI::PluginInstance> plugin = FindInstance(id);
if (plugin) {
return plugin->webplugin()->delegate()->Device3DDestroyContext(
static_cast<NPDeviceContext3D*>(context));
}
return NPERR_GENERIC_ERROR;
}
// -----------------------------------------------------------------------------
static NPDevice* AcquireDevice(NPP id, NPDeviceID device_id) {
static NPDevice device_2d = {
Device2DQueryCapability,
Device2DQueryConfig,
Device2DInitializeContext,
Device2DSetStateContext,
Device2DGetStateContext,
Device2DFlushContext,
Device2DDestroyContext,
};
static NPDevice device_3d = {
Device3DQueryCapability,
Device3DQueryConfig,
Device3DInitializeContext,
Device3DSetStateContext,
Device3DGetStateContext,
Device3DFlushContext,
Device3DDestroyContext,
};
switch (device_id) {
case NPPepper2DDevice:
return const_cast<NPDevice*>(&device_2d);
case NPPepper3DDevice:
return const_cast<NPDevice*>(&device_3d);
default:
return NULL;
}
}
namespace NPAPI {
NPError GetPepperExtensionsFunctions(void* value) {
static const NPExtensions kExtensions = {
&AcquireDevice,
};
// Return a pointer to the canonical function table.
NPExtensions* extensions = const_cast<NPExtensions*>(&kExtensions);
NPExtensions** exts = reinterpret_cast<NPExtensions**>(value);
*exts = extensions;
return NPERR_NO_ERROR;
}
} // namespace NPAPI
#else // Not compiling with pepper support
namespace NPAPI {
// This NOP function implements the getter for the extensions when the
// extensions aren't available.
NPError GetPepperExtensionsFunctions(void* value) {
return NPERR_GENERIC_ERROR;
}
} // namespace NPAPI
#endif // defined(ENABLE_PEPPER)
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