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// Copyright 2013 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.
// IPC messages for interacting with frames.
// Multiply-included message file, hence no include guard.
#include "content/common/content_export.h"
#include "content/public/common/common_param_traits.h"
#include "ipc/ipc_message_macros.h"
#undef IPC_MESSAGE_EXPORT
#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
#define IPC_MESSAGE_START FrameMsgStart
// Sent by the renderer when a child frame is created in the renderer. The
// |parent_frame_id| and |frame_id| are NOT routing ids. They are
// renderer-allocated identifiers used for tracking a frame's creation.
//
// Each of these messages will have a corresponding FrameHostMsg_Detach message
// sent when the frame is detached from the DOM.
//
// TOOD(ajwong): replace parent_render_frame_id and frame_id with just the
// routing ids.
IPC_SYNC_MESSAGE_CONTROL4_1(FrameHostMsg_CreateChildFrame,
int32 /* parent_render_frame_id */,
int64 /* parent_frame_id */,
int64 /* frame_id */,
std::string /* frame_name */,
int /* new_render_frame_id */)
// Sent by the renderer to the parent RenderFrameHost when a child frame is
// detached from the DOM.
IPC_MESSAGE_ROUTED2(FrameHostMsg_Detach,
int64 /* parent_frame_id */,
int64 /* frame_id */)
// Sent when the renderer starts a provisional load for a frame.
IPC_MESSAGE_ROUTED4(FrameHostMsg_DidStartProvisionalLoadForFrame,
int64 /* frame_id */,
int64 /* parent_frame_id */,
bool /* true if it is the main frame */,
GURL /* url */)
// Sent to the browser when the renderer detects it is blocked on a pepper
// plugin message for too long. This is also sent when it becomes unhung
// (according to the value of is_hung). The browser can give the user the
// option of killing the plugin.
IPC_MESSAGE_ROUTED3(FrameHostMsg_PepperPluginHung,
int /* plugin_child_id */,
base::FilePath /* path */,
bool /* is_hung */)
// Sent by the renderer process to indicate that a plugin instance has crashed.
// Note: |plugin_pid| should not be trusted. The corresponding process has
// probably died. Moreover, the ID may have been reused by a new process. Any
// usage other than displaying it in a prompt to the user is very likely to be
// wrong.
IPC_MESSAGE_ROUTED2(FrameHostMsg_PluginCrashed,
base::FilePath /* plugin_path */,
base::ProcessId /* plugin_pid */)
// Return information about a plugin for the given URL and MIME
// type. If there is no matching plugin, |found| is false.
// |actual_mime_type| is the actual mime type supported by the
// found plugin.
IPC_SYNC_MESSAGE_CONTROL4_3(FrameHostMsg_GetPluginInfo,
int /* render_frame_id */,
GURL /* url */,
GURL /* page_url */,
std::string /* mime_type */,
bool /* found */,
content::WebPluginInfo /* plugin info */,
std::string /* actual_mime_type */)
// A renderer sends this to the browser process when it wants to
// create a plugin. The browser will create the plugin process if
// necessary, and will return a handle to the channel on success.
// On error an empty string is returned.
IPC_SYNC_MESSAGE_CONTROL4_2(FrameHostMsg_OpenChannelToPlugin,
int /* render_frame_id */,
GURL /* url */,
GURL /* page_url */,
std::string /* mime_type */,
IPC::ChannelHandle /* channel_handle */,
content::WebPluginInfo /* info */)
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