// 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.
// This header is meant to be included in multiple passes, hence no traditional
// header guard.
// See ipc_message_macros.h for explanation of the macros and passes.
#include <string>
#include <vector>
#include "build/build_config.h"
#include "base/clipboard.h"
#include "base/gfx/rect.h"
#include "base/gfx/native_widget_types.h"
#include "base/shared_memory.h"
#include "chrome/common/ipc_message_macros.h"
#include "chrome/common/ipc_maybe.h"
#include "chrome/common/transport_dib.h"
#include "skia/include/SkBitmap.h"
#include "webkit/glue/console_message_level.h"
#include "webkit/glue/dom_operations.h"
#include "webkit/glue/screen_info.h"
#include "webkit/glue/webcursor.h"
#include "webkit/glue/webinputevent.h"
#include "webkit/glue/webplugin.h"
// TODO(mpcomplete): rename ViewMsg and ViewHostMsg to something that makes
// more sense with our current design.
//-----------------------------------------------------------------------------
// RenderView messages
// These are messages sent from the browser to the renderer process.
IPC_BEGIN_MESSAGES(View)
// Used typically when recovering from a crash. The new rendering process
// sets its global "next page id" counter to the given value.
IPC_MESSAGE_CONTROL1(ViewMsg_SetNextPageID,
int32 /* next_page_id */)
// Tells the renderer to create a new view.
// This message is slightly different, the view it takes is the view to
// create, the message itself is sent as a non-view control message.
IPC_MESSAGE_CONTROL4(ViewMsg_New,
gfx::NativeViewId, /* parent window */
ModalDialogEvent, /* model dialog box event */
WebPreferences,
int32 /* view id */)
// Tells the renderer to set its maximum cache size to the supplied value
IPC_MESSAGE_CONTROL3(ViewMsg_SetCacheCapacities,
size_t /* min_dead_capacity */,
size_t /* max_dead_capacity */,
size_t /* capacity */)
// Allows a chrome plugin loaded in the browser process to send arbitrary
// data to an instance of the same plugin loaded in a renderer process.
IPC_MESSAGE_CONTROL2(ViewMsg_PluginMessage,
FilePath /* plugin_path of plugin */,
std::vector<uint8> /* opaque data */)
// Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
// similar to the new command, but used when the renderer created a view
// first, and we need to update it
IPC_MESSAGE_ROUTED1(ViewMsg_CreatingNew_ACK,
gfx::NativeViewId /* parent_hwnd */)
// Tells the render view to close.
IPC_MESSAGE_ROUTED0(ViewMsg_Close)
// Tells the render view to change its size. A ViewHostMsg_PaintRect message
// is generated in response provided new_size is not empty and not equal to
// the view's current size. The generated ViewHostMsg_PaintRect message will
// have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
// we don't have to fetch it every time WebKit asks for it.
IPC_MESSAGE_ROUTED2(ViewMsg_Resize,
gfx::Size /* new_size */,
gfx::Rect /* resizer_rect */)
// Sent to inform the view that it was hidden. This allows it to reduce its
// resource utilization.
IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
// Tells the render view that it is no longer hidden (see WasHidden), and the
// render view is expected to respond with a full repaint if needs_repainting
// is true. In that case, the generated ViewHostMsg_PaintRect message will
// have the IS_RESTORE_ACK flag set. If needs_repainting is false, then this
// message does not trigger a message in response.
IPC_MESSAGE_ROUTED1(ViewMsg_WasRestored,
bool /* needs_repainting */)
// Tells the render view to capture a thumbnail image of the page. The
// render view responds with a ViewHostMsg_Thumbnail.
IPC_MESSAGE_ROUTED0(ViewMsg_CaptureThumbnail)
// Tells the render view that a ViewHostMsg_PaintRect message was processed.
// This signals the render view that it can send another PaintRect message.
IPC_MESSAGE_ROUTED0(ViewMsg_PaintRect_ACK)
// Tells the render view to switch the CSS to print media type, renders every
// requested pages and switch back the CSS to display media type.
IPC_MESSAGE_ROUTED0(ViewMsg_PrintPages)
// Tells the render view that a ViewHostMsg_ScrollRect message was processed.
// This signals the render view that it can send another ScrollRect message.
IPC_MESSAGE_ROUTED0(ViewMsg_ScrollRect_ACK)
// Message payload is a blob that should be cast to WebInputEvent
IPC_MESSAGE_ROUTED0(ViewMsg_HandleInputEvent)
IPC_MESSAGE_ROUTED0(ViewMsg_MouseCaptureLost)
// TODO(darin): figure out how this meshes with RestoreFocus
IPC_MESSAGE_ROUTED1(ViewMsg_SetFocus, bool /* enable */)
// Tells the renderer to focus the first (last if reverse is true) focusable
// node.
IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus, bool /* reverse */)
// Tells the renderer to perform the specified navigation, interrupting any
// existing navigation.
IPC_MESSAGE_ROUTED1(ViewMsg_Navigate, ViewMsg_Navigate_Params)
IPC_MESSAGE_ROUTED0(ViewMsg_Stop)
// Tells the renderer to load the specified html text and report a navigation
// to display_url if passing true for new navigation.
IPC_MESSAGE_ROUTED4(ViewMsg_LoadAlternateHTMLText,
std::string /* utf8 html text */,
bool, /* new navigation */
GURL /* display url */,
std::string /* security info */)
// This message notifies the renderer that the user has closed the FindInPage
// window (and that the selection should be cleared and the tick-marks
// erased). If |clear_selection| is true, it will also clear the current
// selection.
IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding, bool /* clear_selection */)
// These messages are typically generated from context menus and request the
// renderer to apply the specified operation to the current selection.
IPC_MESSAGE_ROUTED0(ViewMsg_Undo)
IPC_MESSAGE_ROUTED0(ViewMsg_Redo)
IPC_MESSAGE_ROUTED0(ViewMsg_Cut)
IPC_MESSAGE_ROUTED0(ViewMsg_Copy)
IPC_MESSAGE_ROUTED0(ViewMsg_Paste)
IPC_MESSAGE_ROUTED1(ViewMsg_Replace, std::wstring)
IPC_MESSAGE_ROUTED0(ViewMsg_ToggleSpellCheck)
IPC_MESSAGE_ROUTED0(ViewMsg_Delete)
IPC_MESSAGE_ROUTED0(ViewMsg_SelectAll)
// Copies the image at location x, y to the clipboard (if there indeed is an
// image at that location).
IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
int /* x */,
int /* y */)
// History system notification that the visited link database has been
// replaced. It has one SharedMemoryHandle argument consisting of the table
// handle. This handle is valid in the context of the renderer
IPC_MESSAGE_CONTROL1(ViewMsg_VisitedLink_NewTable, base::SharedMemoryHandle)
// Notification that the user scripts have been updated. It has one
// SharedMemoryHandle argument consisting of the pickled script data. This
// handle is valid in the context of the renderer.
IPC_MESSAGE_CONTROL1(ViewMsg_UserScripts_NewScripts, base::SharedMemoryHandle)
// Sent when the user wants to search for a word on the page (find in page).
// Request parameters are passed in as a FindInPageMsg_Request struct.
IPC_MESSAGE_ROUTED1(ViewMsg_Find, FindInPageRequest)
// Sent when the headers are available for a resource request.
IPC_MESSAGE_ROUTED2(ViewMsg_Resource_ReceivedResponse,
int /* request_id */,
ResourceResponseHead)
// Sent as upload progress is being made
IPC_MESSAGE_ROUTED3(ViewMsg_Resource_UploadProgress,
int /* request_id */,
int64 /* position */,
int64 /* size */)
// Sent when the request has been redirected.
IPC_MESSAGE_ROUTED2(ViewMsg_Resource_ReceivedRedirect,
int /* request_id */,
GURL /* new_url */)
// Sent when some data from a resource request is ready. The handle should
// already be mapped into the process that receives this message.
IPC_MESSAGE_ROUTED3(ViewMsg_Resource_DataReceived,
int /* request_id */,
base::SharedMemoryHandle /* data */,
int /* data_len */)
// Sent when the request has been completed.
IPC_MESSAGE_ROUTED2(ViewMsg_Resource_RequestComplete,
int /* request_id */,
URLRequestStatus /* status */)
// Request for the renderer to evaluate an xpath to a frame and execute a
// javascript: url in that frame's context. The message is completely
// asynchronous and no corresponding response message is sent back.
//
// frame_xpath contains the modified xpath notation to identify an inner
// subframe (starting from the root frame). It is a concatenation of
// number of smaller xpaths delimited by '\n'. Each chunk in the string can
// be evaluated to a frame in its parent-frame's context.
//
// Example: /html/body/iframe/\n/html/body/div/iframe/\n/frameset/frame[0]
// can be broken into 3 xpaths
// /html/body/iframe evaluates to an iframe within the root frame
// /html/body/div/iframe evaluates to an iframe within the level-1 iframe
// /frameset/frame[0] evaluates to first frame within the level-2 iframe
//
// jscript_url is the string containing the javascript: url to be executed
// in the target frame's context. The string should start with "javascript:"
// and continue with a valid JS text.
IPC_MESSAGE_ROUTED2(ViewMsg_ScriptEvalRequest,
std::wstring, /* frame_xpath */
std::wstring /* jscript_url */)
// Log a message to the console of the target frame
IPC_MESSAGE_ROUTED3(ViewMsg_AddMessageToConsole,
std::wstring, /* frame_xpath */
std::wstring, /* msg */
ConsoleMessageLevel /* level */)
// Initialize the V8 debugger in the renderer.
IPC_MESSAGE_ROUTED0(ViewMsg_DebugAttach)
// Shutdown the V8 debugger in the renderer.
IPC_MESSAGE_ROUTED0(ViewMsg_DebugDetach)
// Break V8 execution.
IPC_MESSAGE_ROUTED1(ViewMsg_DebugBreak,
bool /* force */)
// Send a command to the V8 debugger.
IPC_MESSAGE_ROUTED1(ViewMsg_DebugCommand,
std::wstring /* cmd */)
// RenderViewHostDelegate::RenderViewCreated method sends this message to a
// new renderer to notify it that it will host developer tools UI and should
// set up all neccessary bindings and create DevToolsClient instance that
// will handle communication with inspected page DevToolsAgent.
IPC_MESSAGE_ROUTED0(ViewMsg_SetupDevToolsClient)
// Change the zoom level in the renderer.
IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
int /* One of PageZoom::Function */)
// Change encoding of page in the renderer.
IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
std::wstring /*new encoding name*/)
// Inspect the element at the specified coordinates
IPC_MESSAGE_ROUTED2(ViewMsg_InspectElement,
int /* x */,
int /* y */)
// Show the JavaScript console
IPC_MESSAGE_ROUTED0(ViewMsg_ShowJavaScriptConsole)
// Requests the renderer to reserve a range of page ids.
IPC_MESSAGE_ROUTED1(ViewMsg_ReservePageIDRange,
int /* size_of_range */)
// Fill a form with data and optionally submit it
IPC_MESSAGE_ROUTED1(ViewMsg_FormFill,
FormData /* form */)
// Fill a password form and prepare field autocomplete for multiple
// matching logins.
IPC_MESSAGE_ROUTED1(ViewMsg_FillPasswordForm,
PasswordFormDomManager::FillData /* form_data */)
// D&d drop target messages.
IPC_MESSAGE_ROUTED3(ViewMsg_DragTargetDragEnter,
WebDropData /* drop_data */,
gfx::Point /* client_pt */,
gfx::Point /* screen_pt */)
IPC_MESSAGE_ROUTED2(ViewMsg_DragTargetDragOver,
gfx::Point /* client_pt */,
gfx::Point /* screen_pt */)
IPC_MESSAGE_ROUTED0(ViewMsg_DragTargetDragLeave)
IPC_MESSAGE_ROUTED2(ViewMsg_DragTargetDrop,
gfx::Point /* client_pt */,
gfx::Point /* screen_pt */)
IPC_MESSAGE_ROUTED1(ViewMsg_UploadFile, ViewMsg_UploadFile_Params)
// Notifies the renderer of updates in mouse position of an in-progress
// drag. if |ended| is true, then the user has ended the drag operation.
IPC_MESSAGE_ROUTED5(ViewMsg_DragSourceEndedOrMoved,
int /* client_x */,
int /* client_y */,
int /* screen_x */,
int /* screen_y */,
bool /* ended */)
// Notifies the renderer that the system DoDragDrop call has ended.
IPC_MESSAGE_ROUTED0(ViewMsg_DragSourceSystemDragEnded)
// Used to tell a render view whether it should expose various bindings
// that allow JS content extended privileges. See BindingsPolicy for valid
// flag values.
IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
int /* enabled_bindings_flags */)
// Tell the renderer to add a property to the DOMUI binding object. This
// only works if we allowed DOMUI bindings.
IPC_MESSAGE_ROUTED2(ViewMsg_SetDOMUIProperty,
std::string /* property_name */,
std::string /* property_value_json */)
// This message starts/stop monitoring the status of the focused edit
// control of a renderer process.
// Parameters
// * is_active (bool)
// Represents whether or not the IME is active in a browser process.
// The possible actions when a renderer process receives this message are
// listed below:
// Value Action
// true Start sending IPC messages, ViewHostMsg_ImeUpdateStatus
// to notify the status of the focused edit control.
// false Stop sending IPC messages, ViewHostMsg_ImeUpdateStatus.
IPC_MESSAGE_ROUTED1(ViewMsg_ImeSetInputMode,
bool /* is_active */)
// This message sends a string being composed with IME.
// Parameters
// * string_type (int)
// Represents the type of the 'ime_string' parameter.
// Its possible values and description are listed below:
// Value Description
// -1 The parameter is not used.
// 1 The parameter represents a result string.
// 0 The parameter represents a composition string.
// * cursor_position (int)
// Represents the position of the cursor
// * target_start (int)
// Represents the position of the beginning of the selection
// * target_end (int)
// Represents the position of the end of the selection
// * ime_string (std::wstring)
// Represents the string retrieved from IME (Input Method Editor)
IPC_MESSAGE_ROUTED5(ViewMsg_ImeSetComposition,
int, /* string_type */
int, /* cursor_position */
int, /* target_start */
int, /* target_end */
std::wstring /* ime_string */ )
// This passes a set of webkit preferences down to the renderer.
IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences, WebPreferences)
// Used to notify the render-view that the browser has received a reply for
// the Find operation and is interested in receiving the next one. This is
// used to prevent the renderer from spamming the browser process with
// results.
IPC_MESSAGE_ROUTED0(ViewMsg_FindReplyACK)
// Used to notify the render-view that we have received a target URL. Used
// to prevent target URLs spamming the browser.
IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
// Sets the alternate error page URL (link doctor) for the renderer process.
IPC_MESSAGE_ROUTED1(ViewMsg_SetAltErrorPageURL, GURL)
// Install the first missing pluign.
IPC_MESSAGE_ROUTED0(ViewMsg_InstallMissingPlugin)
IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
std::vector<std::wstring> /* selected files */)
// Used to instruct the RenderView to go into "view source" mode.
IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
IPC_MESSAGE_ROUTED2(ViewMsg_UpdateBackForwardListCount,
int /* back_list_count */,
int /* forward_list_count */)
// Retreive information from the MSAA DOM subtree, for accessibility purposes.
IPC_SYNC_MESSAGE_ROUTED1_1(ViewMsg_GetAccessibilityInfo,
AccessibilityInParams
/* input parameters */,
AccessibilityOutParams
/* output parameters */)
// Requests the renderer to clear cashed accessibility information. Takes an
// id to clear a specific hashmap entry, and a bool; true clears all, false
// does not.
IPC_MESSAGE_ROUTED2(ViewMsg_ClearAccessibilityInfo,
int /* iaccessible_id */,
bool /* clear_all */)
// Get all savable resource links from current webpage, include main
// frame and sub-frame.
IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
GURL /* url of page which is needed to save */)
// Get html data by serializing all frames of current page with lists
// which contain all resource links that have local copy.
IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
std::vector<GURL> /* urls that have local copy */,
std::vector<FilePath> /* paths of local copy */,
FilePath /* local directory path */)
// Requests application info for the page. The renderer responds back with
// ViewHostMsg_DidGetApplicationInfo.
IPC_MESSAGE_ROUTED1(ViewMsg_GetApplicationInfo, int32 /*page_id*/)
// Requests the renderer to download the specified image encode it as PNG
// and send the PNG data back ala ViewHostMsg_DidDownloadImage.
IPC_MESSAGE_ROUTED3(ViewMsg_DownloadImage,
int /* identifier for the request */,
GURL /* URL of the image */,
int /* Size of the image. Normally 0, but set if you have
a preferred image size to request, such as when
downloading the favicon */)
// When a renderer sends a ViewHostMsg_Focus to the browser process,
// the browser has the option of sending a ViewMsg_CantFocus back to
// the renderer.
IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
// Instructs the renderer to invoke the frame's shouldClose method, which
// runs the onbeforeunload event handler. Expects the result to be returned
// via ViewHostMsg_ShouldClose.
IPC_MESSAGE_ROUTED0(ViewMsg_ShouldClose)
// Instructs the renderer to close the current page, including running the
// onunload event handler. Expects a ClosePage_ACK message when finished.
IPC_MESSAGE_ROUTED2(ViewMsg_ClosePage,
int /* new_render_process_host_id */,
int /* new_request_id */)
// Asks the renderer to send back stats on the WebCore cache broken down by
// resource types.
IPC_MESSAGE_CONTROL0(ViewMsg_GetCacheResourceStats)
// Asks the renderer to send back Histograms.
IPC_MESSAGE_CONTROL0(ViewMsg_GetRendererHistograms)
// Notifies the renderer about ui theme changes
IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
// Notifies the renderer that a paint is to be generated for the rectangle
// passed in.
IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
gfx::Size /* The view size to be repainted */)
#ifdef CHROME_PERSONALIZATION
IPC_MESSAGE_ROUTED2(ViewMsg_PersonalizationEvent,
std::string /* event name */,
std::string /* event arguments */)
#endif
// Posts a message to the renderer.
IPC_MESSAGE_ROUTED1(ViewMsg_HandleMessageFromExternalHost,
std::string /* The message */)
// Sent to the renderer when a popup window should no longer count against
// the current popup count (either because it's not a popup or because it was
// a generated by a user action or because a constrained popup got turned
// into a full window).
IPC_MESSAGE_ROUTED0(ViewMsg_DisassociateFromPopupCount)
// Reply to the ViewHostMsg_QueryFormFieldAutofill message with the autofill
// suggestions.
IPC_MESSAGE_ROUTED4(ViewMsg_AutofillSuggestions,
int64 /* id of the text input field */,
int /* id of the request message */,
std::vector<std::wstring> /* suggestions */,
int /* index of default suggestion */)
// Sent by the Browser process to alert a window about whether a blocked
// popup notification is visible. The renderer assumes every new window is a
// blocked popup until notified otherwise.
IPC_MESSAGE_ROUTED1(ViewMsg_PopupNotificationVisiblityChanged,
bool /* Whether it is visible */)
// Sent by AudioRendererHost to renderer to request an audio packet.
IPC_MESSAGE_ROUTED1(ViewMsg_RequestAudioPacket,
int /* stream id */)
// Tell the renderer process that the audio stream has been created, renderer
// process would be given a ShareMemoryHandle that it should write to from
// then on.
IPC_MESSAGE_ROUTED3(ViewMsg_NotifyAudioStreamCreated,
int /* stream id */,
base::SharedMemoryHandle /* handle */,
int /* length */)
// Notification message sent from AudioRendererHost to renderer for state
// update after the renderer has requested a Create/Start/Close.
IPC_MESSAGE_ROUTED3(ViewMsg_NotifyAudioStreamStateChanged,
int /* stream id */,
AudioOutputStream::State /* new state */,
int /* additional information (e.g. platform specific
error code*/)
IPC_MESSAGE_ROUTED3(ViewMsg_NotifyAudioStreamVolume,
int /* stream id */,
double /* left channel */,
double /* right channel */)
// Notification that a move or resize renderer's containing window has
// started.
IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
IPC_END_MESSAGES(View)
//-----------------------------------------------------------------------------
// WebContents messages
// These are messages sent from the renderer to the browser process.
IPC_BEGIN_MESSAGES(ViewHost)
// Sent by the renderer when it is creating a new window. The browser creates
// a tab for it and responds with a ViewMsg_CreatingNew_ACK. If route_id is
// MSG_ROUTING_NONE, the view couldn't be created. modal_dialog_event is set
// by the browser when a modal dialog is shown.
IPC_SYNC_MESSAGE_CONTROL2_2(ViewHostMsg_CreateWindow,
int /* opener_id */,
bool /* user_gesture */,
int /* route_id */,
ModalDialogEvent /* modal_dialog_event */)
// Similar to ViewHostMsg_CreateView, except used for sub-widgets, like
// <select> dropdowns. This message is sent to the WebContents that
// contains the widget being created.
IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_CreateWidget,
int /* opener_id */,
bool /* focus on show */,
int /* route_id */)
// These two messages are sent as a result of the above two, in the browser
// process, from RenderWidgetHelper to RenderViewHost.
IPC_MESSAGE_ROUTED2(ViewHostMsg_CreateWindowWithRoute,
int /* route_id */,
ModalDialogEvent /* modal_dialog_event */)
IPC_MESSAGE_ROUTED2(ViewHostMsg_CreateWidgetWithRoute,
int /* route_id */,
bool /* activatable */)
// These two messages are sent to the parent RenderViewHost to display the
// page/widget that was created by CreateView/CreateWidget. routing_id
// refers to the id that was returned from the Create message above.
// The initial_position parameter is a rectangle in screen coordinates.
//
// FUTURE: there will probably be flags here to control if the result is
// in a new window.
IPC_MESSAGE_ROUTED4(ViewHostMsg_ShowView,
int /* route_id */,
WindowOpenDisposition /* disposition */,
gfx::Rect /* initial_pos */,
bool /* opened_by_user_gesture */)
IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
int /* route_id */,
gfx::Rect /* initial_pos */)
// This message is sent after ViewHostMsg_ShowView to cause the RenderView
// to run in a modal fashion until it is closed.
IPC_SYNC_MESSAGE_ROUTED0_0(ViewHostMsg_RunModal)
IPC_MESSAGE_CONTROL1(ViewHostMsg_UpdatedCacheStats,
CacheManager::UsageStats /* stats */)
// Indicates the renderer is ready in response to a ViewMsg_New or
// a ViewMsg_CreatingNew_ACK.
IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
// Indicates the renderer process is gone. This actually is sent by the
// browser process to itself, but keeps the interface cleaner.
IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewGone)
// Sent by the renderer process to request that the browser close the view.
// This corresponds to the window.close() API, and the browser may ignore
// this message. Otherwise, the browser will generates a ViewMsg_Close
// message to close the view.
IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
// Sent by the renderer process to request that the browser move the view.
// This corresponds to the window.resizeTo() and window.moveTo() APIs, and
// the browser may ignore this message.
IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
gfx::Rect /* position */)
// Notifies the browser that a frame in the view has changed. This message
// has a lot of parameters and is packed/unpacked by functions defined in
// render_messages.h.
IPC_MESSAGE_ROUTED1(ViewHostMsg_FrameNavigate,
ViewHostMsg_FrameNavigate_Params)
// Notifies the browser that we have session history information.
// page_id: unique ID that allows us to distinguish between history entries.
IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
int32 /* page_id */,
std::string /* state */)
// Changes the title for the page in the UI when the page is navigated or the
// title changes.
// TODO(darin): use a UTF-8 string to reduce data size
IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTitle, int32, std::wstring)
// Change the encoding name of the page in UI when the page has detected
// proper encoding name.
IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateEncoding,
std::wstring /* new encoding name */)
// Notifies the browser that we want to show a destination url for a potential
// action (e.g. when the user is hovering over a link).
IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTargetURL, int32, GURL)
// Sent when the renderer is loading a frame
IPC_MESSAGE_ROUTED1(ViewHostMsg_DidStartLoading, int32)
// Sent when the renderer is done loading a frame
IPC_MESSAGE_ROUTED1(ViewHostMsg_DidStopLoading, int32)
// Sent when the renderer loads a resource from its memory cache.
// The security info is non empty if the resource was originally loaded over
// a secure connection.
// Note: May only be sent once per URL per frame per committed load.
IPC_MESSAGE_ROUTED2(ViewHostMsg_DidLoadResourceFromMemoryCache,
GURL /* url */,
std::string /* security info */)
// Sent when the renderer starts a provisional load for a frame.
IPC_MESSAGE_ROUTED2(ViewHostMsg_DidStartProvisionalLoadForFrame,
bool /* true if it is the main frame */,
GURL /* url */)
// Sent when the renderer fails a provisional load with an error.
IPC_MESSAGE_ROUTED4(ViewHostMsg_DidFailProvisionalLoadWithError,
bool /* true if it is the main frame */,
int /* error_code */,
GURL /* url */,
bool /* true if the failure is the result of
navigating to a POST again and we're going to
show the POST interstitial */ )
// Sent to paint part of the view. In response to this message, the host
// generates a ViewMsg_PaintRect_ACK message.
IPC_MESSAGE_ROUTED1(ViewHostMsg_PaintRect,
ViewHostMsg_PaintRect_Params)
// Sent to scroll part of the view. In response to this message, the host
// generates a ViewMsg_ScrollRect_ACK message.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ScrollRect,
ViewHostMsg_ScrollRect_Params)
// Acknowledges receipt of a ViewMsg_HandleInputEvent message.
// Payload is a WebInputEvent::Type which is the type of the event, followed
// by an optional WebInputEvent which is provided only if the event was not
// processed.
IPC_MESSAGE_ROUTED0(ViewHostMsg_HandleInputEvent_ACK)
IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
// Returns the window location of the given window.
IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetWindowRect,
gfx::NativeViewId /* window */,
gfx::Rect /* Out: Window location */)
IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, WebCursor)
// Result of string search in the page.
// Response to ViewMsg_Find with the results of the requested find-in-page
// search, the number of matches found and the selection rect (in screen
// coordinates) for the string found. If |final_update| is false, it signals
// that this is not the last Find_Reply message - more will be sent as the
// scoping effort continues.
IPC_MESSAGE_ROUTED5(ViewHostMsg_Find_Reply,
int /* request_id */,
int /* number of matches */,
gfx::Rect /* selection_rect */,
int /* active_match_ordinal */,
bool /* final_update */)
// Makes a resource request via the browser.
IPC_MESSAGE_ROUTED2(ViewHostMsg_RequestResource,
int /* request_id */,
ViewHostMsg_Resource_Request)
// Cancels a resource request with the ID given as the parameter.
IPC_MESSAGE_ROUTED1(ViewHostMsg_CancelRequest,
int /* request_id */)
// Makes a synchronous resource request via the browser.
IPC_SYNC_MESSAGE_ROUTED2_1(ViewHostMsg_SyncLoad,
int /* request_id */,
ViewHostMsg_Resource_Request,
SyncLoadResult)
// Used to set a cookie. The cookie is set asynchronously, but will be
// available to a subsequent ViewHostMsg_GetCookies request.
IPC_MESSAGE_CONTROL3(ViewHostMsg_SetCookie,
GURL /* url */,
GURL /* policy_url */,
std::string /* cookie */)
// Used to get cookies for the given URL
IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_GetCookies,
GURL /* url */,
GURL /* policy_url */,
std::string /* cookies */)
// Used to get the list of plugins
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
bool /* refresh*/,
std::vector<WebPluginInfo> /* plugins */)
// Returns a path to a plugin for the given url and mime type. If there's
// no plugin, an empty string is returned.
IPC_SYNC_MESSAGE_CONTROL3_2(ViewHostMsg_GetPluginPath,
GURL /* url */,
std::string /* mime_type */,
std::string /* clsid */,
FilePath /* filename */,
std::string /* actual mime type for url */)
// Retrieve the data directory associated with the renderer's profile.
IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetDataDir,
std::wstring /* data_dir_retval */)
// Allows a chrome plugin loaded in a renderer process to send arbitrary
// data to an instance of the same plugin loaded in the browser process.
IPC_MESSAGE_CONTROL2(ViewHostMsg_PluginMessage,
FilePath /* plugin_path of plugin */,
std::vector<uint8> /* opaque data */)
// Allows a chrome plugin loaded in a renderer process to send arbitrary
// data to an instance of the same plugin loaded in the browser process.
IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_PluginSyncMessage,
FilePath /* plugin_path of plugin */,
std::vector<uint8> /* opaque data */,
std::vector<uint8> /* opaque data */)
// Requests spellcheck for a word.
IPC_SYNC_MESSAGE_ROUTED1_2(ViewHostMsg_SpellCheck,
std::wstring /* word to check */,
int /* misspell location */,
int /* misspell length */)
// Initiate a download based on user actions like 'ALT+click'.
IPC_MESSAGE_ROUTED2(ViewHostMsg_DownloadUrl,
GURL /* url */,
GURL /* referrer */)
// Used to go to the session history entry at the given offset (ie, -1 will
// return the "back" item).
IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
int /* offset (from current) of history item to get */)
IPC_SYNC_MESSAGE_ROUTED3_2(ViewHostMsg_RunJavaScriptMessage,
std::wstring /* in - alert message */,
std::wstring /* in - default prompt */,
int /* in - dialog flags */,
bool /* out - success */,
std::wstring /* out - prompt field */)
// Sets the contents for the given page (URL and page ID are the first two
// arguments) given the contents that is the 3rd.
IPC_MESSAGE_CONTROL3(ViewHostMsg_PageContents, GURL, int32, std::wstring)
// Specifies the URL as the first parameter (a wstring) and thumbnail as
// binary data as the second parameter.
IPC_MESSAGE_ROUTED3(ViewHostMsg_Thumbnail,
GURL /* url */,
ThumbnailScore /* score */,
SkBitmap /* bitmap */)
// Notification that the url for the favicon of a site has been determined.
IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateFavIconURL,
int32 /* page_id */,
GURL /* url of the favicon */)
// Used to tell the parent that the user right clicked on an area of the
// content area, and a context menu should be shown for it. The params
// object contains information about the node(s) that were selected when the
// user right clicked.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ContextMenu, ContextMenuParams)
// Request that the given URL be opened in the specified manner.
IPC_MESSAGE_ROUTED3(ViewHostMsg_OpenURL,
GURL /* url */,
GURL /* referrer */,
WindowOpenDisposition /* disposition */)
// Following message is used to communicate the values received by the
// callback binding the JS to Cpp.
// An instance of browser that has an automation host listening to it can
// have a javascript send a native value (string, number, boolean) to the
// listener in Cpp. (DomAutomationController)
IPC_MESSAGE_ROUTED2(ViewHostMsg_DomOperationResponse,
std::string /* json_string */,
int /* automation_id */)
// A message from HTML-based UI. When (trusted) Javascript calls
// send(message, args), this message is sent to the browser.
IPC_MESSAGE_ROUTED2(ViewHostMsg_DOMUISend,
std::string /* message */,
std::string /* args (as a JSON string) */)
// A message for an external host.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ForwardMessageToExternalHost,
std::string /* message */)
#ifdef CHROME_PERSONALIZATION
IPC_MESSAGE_ROUTED2(ViewHostMsg_PersonalizationEvent,
std::string, std::string)
#endif
// 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 the channel name on success. On error an empty string is
// returned.
IPC_SYNC_MESSAGE_CONTROL4_2(ViewHostMsg_OpenChannelToPlugin,
GURL /* url */,
std::string /* mime_type */,
std::string /* clsid */,
std::wstring /* locale */,
std::wstring /* channel_name */,
FilePath /* plugin_path */)
// Clipboard IPC messages
// This message is used when the object list does not contain a bitmap.
IPC_MESSAGE_CONTROL1(ViewHostMsg_ClipboardWriteObjectsAsync,
Clipboard::ObjectMap /* objects */)
// This message is used when the object list contains a bitmap.
// It is synchronized so that the renderer knows when it is safe to
// free the shared memory used to transfer the bitmap.
IPC_SYNC_MESSAGE_CONTROL1_0(ViewHostMsg_ClipboardWriteObjectsSync,
Clipboard::ObjectMap /* objects */)
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_ClipboardIsFormatAvailable,
int /* format */,
bool /* result */)
IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_ClipboardReadText,
string16 /* result */)
IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_ClipboardReadAsciiText,
std::string /* result */)
IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_ClipboardReadHTML,
string16 /* markup */,
GURL /* url */)
#if defined(OS_WIN)
// Request that the given font be loaded by the browser.
// Please see ResourceMessageFilter::OnLoadFont for details.
IPC_SYNC_MESSAGE_CONTROL1_0(ViewHostMsg_LoadFont,
LOGFONT /* font data */)
#endif // defined(OS_WIN)
// Returns ScreenInfo corresponding to the given window.
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetScreenInfo,
gfx::NativeViewId /* window */,
webkit_glue::ScreenInfo /* results */)
// Send the tooltip text for the current mouse position to the browser.
IPC_MESSAGE_ROUTED1(ViewHostMsg_SetTooltipText,
std::wstring /* tooltip text string */)
// Asks the browser to display the file chooser. The result is returned in a
// ViewHost_RunFileChooserResponse message.
IPC_MESSAGE_ROUTED4(ViewHostMsg_RunFileChooser,
bool /* multiple_files */,
std::wstring /* title */,
std::wstring /* Default file name */,
std::wstring /* filter */)
// Notification that password forms have been seen that are candidates for
// filling/submitting by the password manager
IPC_MESSAGE_ROUTED1(ViewHostMsg_PasswordFormsSeen,
std::vector<PasswordForm> /* forms */)
// Notification that a form has been submitted. The user hit the button.
IPC_MESSAGE_ROUTED1(ViewHostMsg_AutofillFormSubmitted,
AutofillForm /* form */)
// Used to tell the parent the user started dragging in the content area. The
// WebDropData struct contains contextual information about the pieces of the
// page the user dragged. The parent uses this notification to initiate a
// drag session at the OS level.
IPC_MESSAGE_ROUTED1(ViewHostMsg_StartDragging,
WebDropData /* drop_data */)
// The page wants to update the mouse cursor during a drag & drop operation.
// |is_drop_target| is true if the mouse is over a valid drop target.
IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateDragCursor,
bool /* is_drop_target */)
// Tells the browser to move the focus to the next (previous if reverse is
// true) focusable element.
IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus, bool /* reverse */)
// Notification that the page has an OpenSearch description document
// associated with it.
IPC_MESSAGE_ROUTED3(ViewHostMsg_PageHasOSDD,
int32 /* page_id */,
GURL /* url of OS description document */,
bool /* autodetected */)
// required for synchronizing IME windows.
// Parameters
// * control (ViewHostMsg_ImeControl)
// It specifies the code for controlling the IME attached to
// the browser process. This parameter should be one of the values
// listed below.
// + IME_DISABLE
// Deactivate the IME attached to a browser process.
// This code is typically used for notifying a renderer process
// moves its input focus to a password input. A browser process
// finishes the current composition and deactivate IME.
// If a renderer process sets its input focus to another edit
// control which is not a password input, it needs to re-activate
// IME, it has to send another message with this code IME_MOVE_WINDOWS
// and set the new caret position.
// + IME_MOVE_WINDOWS
// Activate the IME attached to a browser process and set the position
// of its IME windows.
// This code is typically used for the following cases:
// - Notifying a renderer process moves the caret position of the
// focused edit control, or;
// - Notifying a renderer process moves its input focus from a
// password input to an editable control which is NOT a password
// input.
// A renderer process also has to set caret_rect and
// specify the new caret rectangle.
// + IME_COMPLETE_COMPOSITION
// Finish the current composition.
// This code is used for notifying a renderer process moves its
// input focus from an editable control being composed to another one
// which is NOT a password input. A browser process closes its IME
// windows without changing the activation status of its IME, i.e. it
// keeps activating its IME.
// * caret_rect (gfx::Rect)
// They specify the rectangle of the input caret.
IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeUpdateStatus,
ViewHostMsg_ImeControl, /* control */
gfx::Rect /* caret_rect */)
// Response for InspectElement request. Returns the number of resources
// identified by InspectorController.
IPC_MESSAGE_ROUTED1(ViewHostMsg_InspectElement_Reply,
int /* number of resources */)
// Tells the browser that the renderer is done calculating the number of
// rendered pages according to the specified settings.
IPC_MESSAGE_ROUTED2(ViewHostMsg_DidGetPrintedPagesCount,
int /* rendered document cookie */,
int /* number of rendered pages */)
// Sends back to the browser the rendered "printed page" that was requested by
// a ViewMsg_PrintPage message or from scripted printing. The memory handle in
// this message is already valid in the browser process.
IPC_MESSAGE_ROUTED1(ViewHostMsg_DidPrintPage,
ViewHostMsg_DidPrintPage_Params /* page content */)
// The renderer wants to know the default print settings.
IPC_SYNC_MESSAGE_ROUTED0_1(ViewHostMsg_GetDefaultPrintSettings,
ViewMsg_Print_Params /* default_settings */)
#if defined(OS_WIN)
// It's the renderer that controls the printing process when it is generated
// by javascript. This step is about showing UI to the user to select the
// final print settings. The output parameter is the same as
// ViewMsg_PrintPages which is executed implicitly.
IPC_SYNC_MESSAGE_ROUTED3_1(ViewHostMsg_ScriptedPrint,
gfx::NativeViewId /* host_window */,
int /* cookie */,
int /* expected_pages_count */,
ViewMsg_PrintPages_Params /* settings choosen by
the user*/)
#endif // defined(OS_WIN)
// WebKit and JavaScript error messages to log to the console
// or debugger UI.
IPC_MESSAGE_ROUTED3(ViewHostMsg_AddMessageToConsole,
std::wstring, /* msg */
int32, /* line number */
std::wstring /* source id */)
// Response message for ViewMsg_DebugAttach.
IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDebugAttach)
// WebKit and JavaScript error messages to log to the console
// or debugger UI.
IPC_MESSAGE_ROUTED1(ViewHostMsg_DebuggerOutput,
std::wstring /* msg */)
// Wraps an IPC message that's destined to the DevToolsClient on
// DevToolsAgent->browser hop.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ForwardToDevToolsClient,
IPC::Message /* one of DevToolsClientMsg_XXX types */)
// Wraps an IPC message that's destined to the DevToolsAgent on
// DevToolsClient->browser hop.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ForwardToDevToolsAgent,
IPC::Message /* one of DevToolsAgentMsg_XXX types */)
IPC_MESSAGE_ROUTED2(ViewHostMsg_ToolsAgentMsg,
int, /* tools msg type */
std::wstring /* body */)
// Send back a string to be recorded by UserMetrics.
IPC_MESSAGE_ROUTED1(ViewHostMsg_UserMetricsRecordAction,
std::wstring /* action */)
// Send back histograms as vector of pickled-histogram strings.
IPC_MESSAGE_CONTROL1(ViewHostMsg_RendererHistograms, std::vector<std::string>)
// Request for a DNS prefetch of the names in the array.
// NameList is typedef'ed std::vector<std::string>
IPC_MESSAGE_CONTROL1(ViewHostMsg_DnsPrefetch,
std::vector<std::string> /* hostnames */)
// Notifies when default plugin updates status of the missing plugin.
IPC_MESSAGE_ROUTED1(ViewHostMsg_MissingPluginStatus,
int /* status */)
// Sent by the renderer process to indicate that a plugin instance has
// crashed.
IPC_MESSAGE_ROUTED1(ViewHostMsg_CrashedPlugin,
FilePath /* plugin_path */)
// Dsiplays a JavaScript out-of-memory message in the infobar.
IPC_MESSAGE_ROUTED0(ViewHostMsg_JSOutOfMemory)
// Displays a box to confirm that the user wants to navigate away from the
// page. Replies true if yes, false otherwise, the reply string is ignored,
// but is included so that we can use OnJavaScriptMessageBoxClosed.
IPC_SYNC_MESSAGE_ROUTED1_2(ViewHostMsg_RunBeforeUnloadConfirm,
std::wstring /* in - alert message */,
bool /* out - success */,
std::wstring /* out - This is ignored.*/)
IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
std::vector<GURL> /* all savable resource links */,
std::vector<GURL> /* all referrers of resource links */,
std::vector<GURL> /* all frame links */)
IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
GURL /* frame's url */,
std::string /* data buffer */,
int32 /* complete status */)
IPC_SYNC_MESSAGE_ROUTED4_1(ViewHostMsg_ShowModalHTMLDialog,
GURL /* url */,
int /* width */,
int /* height */,
std::string /* json_arguments */,
std::string /* json_retval */)
IPC_MESSAGE_ROUTED2(ViewHostMsg_DidGetApplicationInfo,
int32 /* page_id */,
webkit_glue::WebApplicationInfo)
// Provides the result from running OnMsgShouldClose. |proceed| matches the
// return value of the the frame's shouldClose method (which includes the
// onbeforeunload handler): true if the user decided to proceed with leaving
// the page.
IPC_MESSAGE_ROUTED1(ViewHostMsg_ShouldClose_ACK,
bool /* proceed */)
// Indicates that the current page has been closed, after a ClosePage
// message.
IPC_MESSAGE_ROUTED2(ViewHostMsg_ClosePage_ACK,
int /* new_render_process_host_id */,
int /* new_request_id */)
IPC_MESSAGE_ROUTED4(ViewHostMsg_DidDownloadImage,
int /* Identifier of the request */,
GURL /* URL of the image */,
bool /* true if there was a network error */,
SkBitmap /* image_data */)
// Sent to query MIME information.
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetMimeTypeFromExtension,
FilePath::StringType /* extension */,
std::string /* mime_type */)
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetMimeTypeFromFile,
FilePath /* file_path */,
std::string /* mime_type */)
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPreferredExtensionForMimeType,
std::string /* mime_type */,
FilePath::StringType /* extension */)
// Get the CPBrowsingContext associated with the renderer sending this
// message.
IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetCPBrowsingContext,
uint32 /* context */)
// Sent when the renderer process is done processing a DataReceived
// message.
IPC_MESSAGE_ROUTED1(ViewHostMsg_DataReceived_ACK,
int /* request_id */)
// Sent when a provisional load on the main frame redirects.
IPC_MESSAGE_ROUTED3(ViewHostMsg_DidRedirectProvisionalLoad,
int /* page_id */,
GURL /* last url */,
GURL /* url redirected to */)
// Sent when the renderer process to acknowlege receipt of and UploadProgress
// message.
IPC_MESSAGE_ROUTED1(ViewHostMsg_UploadProgress_ACK,
int /* request_id */)
// Duplicates a shared memory handle from the renderer to the browser. Then
// the renderer can flush the handle.
IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_DuplicateSection,
base::SharedMemoryHandle /* renderer handle */,
base::SharedMemoryHandle /* browser handle */)
// Provide the browser process with information about the WebCore resource
// cache.
IPC_MESSAGE_CONTROL1(ViewHostMsg_ResourceTypeStats,
CacheManager::ResourceTypeStats)
// Notify the browser that this render either has or doesn't have a
// beforeunload or unload handler.
IPC_MESSAGE_ROUTED1(ViewHostMsg_UnloadListenerChanged,
bool /* has_listener */)
// Returns the window location of the window this widget is embeded.
IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowRect,
gfx::NativeViewId /* window */,
gfx::Rect /* Out: Window location */)
// Returns the resizer box location in the window this widget is embeded.
// Important for Mac OS X, but not Win or Linux.
IPC_SYNC_MESSAGE_ROUTED1_1(ViewHostMsg_GetRootWindowResizerRect,
gfx::NativeViewId /* window */,
gfx::Rect /* Out: Window location */)
// Queries the browser for suggestion for autofill in a form input field.
IPC_MESSAGE_ROUTED4(ViewHostMsg_QueryFormFieldAutofill,
std::wstring /* field name */,
std::wstring /* user entered text */,
int64 /* id of the text input field */,
int /* id of this message */)
// Get the list of proxies to use for |url|, as a semicolon delimited list
// of "<TYPE> <HOST>:<PORT>" | "DIRECT". See also
// PluginProcessHostMsg_ResolveProxy which does the same thing.
IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
GURL /* url */,
int /* network error */,
std::string /* proxy list */)
// Request that got sent to browser for creating an audio output stream
IPC_MESSAGE_ROUTED2(ViewHostMsg_CreateAudioStream,
int /* stream_id */,
ViewHostMsg_Audio_CreateStream)
// Tell the browser the audio buffer prepared for stream
// (render_view_id, stream_id) is filled and is ready to be consumed.
IPC_MESSAGE_ROUTED2(ViewHostMsg_NotifyAudioPacketReady,
int /* stream_id */,
size_t /* packet size */)
// Start playing the audio stream specified by (render_view_id, stream_id).
IPC_MESSAGE_ROUTED1(ViewHostMsg_StartAudioStream,
int /* stream_id */)
// Close an audio stream specified by (render_view_id, stream_id).
IPC_MESSAGE_ROUTED1(ViewHostMsg_CloseAudioStream,
int /* stream_id */)
// Get audio volume of the stream specified by (render_view_id, stream_id).
IPC_MESSAGE_ROUTED1(ViewHostMsg_GetAudioVolume,
int /* stream_id */)
// Set audio volume of the stream specified by (render_view_id, stream_id).
// TODO(hclam): change this to vector if we have channel numbers other than 2.
IPC_MESSAGE_ROUTED3(ViewHostMsg_SetAudioVolume,
int /* stream_id */,
double /* left_channel */,
double /* right_channel */)
#if defined(OS_MACOSX)
// On OSX, we cannot allocated shared memory from within the sandbox, so
// this call exists for the renderer to ask the browser to allocate memory
// on its behalf. We return a file descriptor to the POSIX shared memory.
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_AllocTransportDIB,
size_t, /* bytes requested */
IPC::Maybe<TransportDIB::Handle> /* DIB */)
// Since the browser keeps handles to the allocated transport DIBs, this
// message is sent to tell the browser that it may release them when the
// renderer is finished with them.
IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
TransportDIB::Id /* DIB id */)
#endif
// A renderer sends this to the browser process when it wants to create a
// worker. The browser will create the worker process if necessary, and
// will return the route id on success. On error returns MSG_ROUTING_NONE.
IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateDedicatedWorker,
GURL /* url */,
int /* route_id */)
// Wraps an IPC message that's destined to the worker on the renderer->browser
// hop.
IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
IPC::Message /* message */)
IPC_END_MESSAGES(ViewHost)