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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.
// Defines messages between the browser and plugin process, as well as between
// the renderer and plugin process.
//
// See render_message* for information about the multi-pass include of headers.
#ifndef CHROME_COMMON_PLUGIN_MESSAGES_H_
#define CHROME_COMMON_PLUGIN_MESSAGES_H_
#pragma once
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/string_number_conversions.h"
#include "chrome/common/common_param_traits.h"
#include "chrome/common/webkit_param_traits.h"
#include "gfx/native_widget_types.h"
#include "gfx/rect.h"
#include "googleurl/src/gurl.h"
#include "ipc/ipc_message_utils.h"
#include "third_party/npapi/bindings/npapi.h"
#include "third_party/WebKit/WebKit/chromium/public/WebBindings.h"
#include "third_party/WebKit/WebKit/chromium/public/WebInputEvent.h"
#include "webkit/glue/npruntime_util.h"
// Name prefix of the event handle when a message box is displayed.
#define kMessageBoxEventPrefix L"message_box_active"
// Structures for messages that have too many parameters to be put in a
// predefined IPC message.
struct PluginMsg_Init_Params {
PluginMsg_Init_Params();
~PluginMsg_Init_Params();
gfx::NativeViewId containing_window;
GURL url;
GURL page_url;
std::vector<std::string> arg_names;
std::vector<std::string> arg_values;
bool load_manually;
int host_render_view_routing_id;
};
struct PluginHostMsg_URLRequest_Params {
PluginHostMsg_URLRequest_Params();
~PluginHostMsg_URLRequest_Params();
std::string url;
std::string method;
std::string target;
std::vector<char> buffer;
int notify_id;
bool popups_allowed;
bool notify_redirects;
};
struct PluginMsg_DidReceiveResponseParams {
PluginMsg_DidReceiveResponseParams();
~PluginMsg_DidReceiveResponseParams();
unsigned long id;
std::string mime_type;
std::string headers;
uint32 expected_length;
uint32 last_modified;
bool request_is_seekable;
};
struct NPIdentifier_Param {
NPIdentifier_Param();
~NPIdentifier_Param();
NPIdentifier identifier;
};
enum NPVariant_ParamEnum {
NPVARIANT_PARAM_VOID,
NPVARIANT_PARAM_NULL,
NPVARIANT_PARAM_BOOL,
NPVARIANT_PARAM_INT,
NPVARIANT_PARAM_DOUBLE,
NPVARIANT_PARAM_STRING,
// Used when when the NPObject is running in the caller's process, so we
// create an NPObjectProxy in the other process.
NPVARIANT_PARAM_SENDER_OBJECT_ROUTING_ID,
// Used when the NPObject we're sending is running in the callee's process
// (i.e. we have an NPObjectProxy for it). In that case we want the callee
// to just use the raw pointer.
NPVARIANT_PARAM_RECEIVER_OBJECT_ROUTING_ID,
};
struct NPVariant_Param {
NPVariant_Param();
~NPVariant_Param();
NPVariant_ParamEnum type;
bool bool_value;
int int_value;
double double_value;
std::string string_value;
int npobject_routing_id;
};
struct PluginMsg_UpdateGeometry_Param {
PluginMsg_UpdateGeometry_Param();
~PluginMsg_UpdateGeometry_Param();
gfx::Rect window_rect;
gfx::Rect clip_rect;
bool transparent;
TransportDIB::Handle windowless_buffer;
TransportDIB::Handle background_buffer;
#if defined(OS_MACOSX)
// This field contains a key that the plug-in process is expected to return
// to the renderer in its ACK message, unless the value is -1, in which case
// no ACK message is required. Other than the special -1 value, the values
// used in ack_key are opaque to the plug-in process.
int ack_key;
#endif
};
namespace IPC {
// Traits for PluginMsg_Init_Params structure to pack/unpack.
template <>
struct ParamTraits<PluginMsg_Init_Params> {
typedef PluginMsg_Init_Params param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<PluginHostMsg_URLRequest_Params> {
typedef PluginHostMsg_URLRequest_Params param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<PluginMsg_DidReceiveResponseParams> {
typedef PluginMsg_DidReceiveResponseParams param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
typedef const WebKit::WebInputEvent* WebInputEventPointer;
template <>
struct ParamTraits<WebInputEventPointer> {
typedef WebInputEventPointer param_type;
static void Write(Message* m, const param_type& p) {
m->WriteData(reinterpret_cast<const char*>(p), p->size);
}
// Note: upon read, the event has the lifetime of the message.
static bool Read(const Message* m, void** iter, param_type* r) {
const char* data;
int data_length;
if (!m->ReadData(iter, &data, &data_length)) {
NOTREACHED();
return false;
}
if (data_length < static_cast<int>(sizeof(WebKit::WebInputEvent))) {
NOTREACHED();
return false;
}
param_type event = reinterpret_cast<param_type>(data);
// Check that the data size matches that of the event (we check the latter
// in the delegate).
if (data_length != static_cast<int>(event->size)) {
NOTREACHED();
return false;
}
*r = event;
return true;
}
static void Log(const param_type& p, std::string* l) {
l->append("(");
LogParam(p->size, l);
l->append(", ");
LogParam(p->type, l);
l->append(", ");
LogParam(p->timeStampSeconds, l);
l->append(")");
}
};
template <>
struct ParamTraits<NPIdentifier_Param> {
typedef NPIdentifier_Param param_type;
static void Write(Message* m, const param_type& p) {
webkit_glue::SerializeNPIdentifier(p.identifier, m);
}
static bool Read(const Message* m, void** iter, param_type* r) {
return webkit_glue::DeserializeNPIdentifier(*m, iter, &r->identifier);
}
static void Log(const param_type& p, std::string* l) {
if (WebKit::WebBindings::identifierIsString(p.identifier)) {
NPUTF8* str = WebKit::WebBindings::utf8FromIdentifier(p.identifier);
l->append(str);
NPN_MemFree(str);
} else {
l->append(base::IntToString(
WebKit::WebBindings::intFromIdentifier(p.identifier)));
}
}
};
template <>
struct ParamTraits<NPVariant_Param> {
typedef NPVariant_Param param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
// For windowless plugins, windowless_buffer
// contains a buffer that the plugin draws into. background_buffer is used
// for transparent windowless plugins, and holds the background of the plugin
// rectangle.
template <>
struct ParamTraits<PluginMsg_UpdateGeometry_Param> {
typedef PluginMsg_UpdateGeometry_Param param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
} // namespace IPC
#define MESSAGES_INTERNAL_FILE "chrome/common/plugin_messages_internal.h"
#include "ipc/ipc_message_macros.h"
#endif // CHROME_COMMON_PLUGIN_MESSAGES_H_
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