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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // IPC messages for page rendering.
6 // Multiply-included message file, hence no include guard.
64 #if defined(OS_MACOSX)
66 #endif
68 #undef IPC_MESSAGE_EXPORT
69 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
71 #define IPC_MESSAGE_START ViewMsgStart
99 #if defined(OS_MACOSX)
104 #endif
183 #if defined(OS_MACOSX) || defined(TOOLKIT_GTK)
195 #if defined(OS_ANDROID)
198 #endif
217 #if defined(OS_ANDROID)
219 #endif
321 // Routing ID of the view initiating the open.
324 // True if this open request came in the context of a user gesture.
327 // Type of window requested.
330 // The session storage namespace ID this view should use.
333 // The name of the resulting frame that should be created (empty if none
334 // has been specified).
337 // The frame identifier of the frame initiating the open.
340 // The URL of the frame initiating the open.
343 // The URL of the top frame containing the opener.
346 // The security origin of the frame initiating the open.
349 // Whether the opener will be suppressed in the new window, in which case
350 // scripting the new window is not allowed.
353 // Whether the window should be opened in the foreground, background, etc.
356 // The URL that will be loaded in the new window (empty if none has been
357 // sepcified).
360 // The referrer that will be used to load |target_url| (empty if none has
361 // been specified).
364 // The window features to use for the new view.
367 // The additional window features to use for the new view. We pass these
368 // separately from |features| above because we cannot serialize WebStrings
369 // over IPC.
374 // URL for the worker script.
377 // Name for a SharedWorker, otherwise empty string.
380 // The ID of the parent document (unique within parent renderer).
383 // RenderView routing id used to send messages back to the parent.
386 // The route ID to associate with the worker. If MSG_ROUTING_NONE is passed,
387 // a new unique ID is created and assigned to the worker.
390 // The ID of the appcache the main shared worker script resource was loaded
391 // from, only valid for shared workers.
411 // The frame ID for the failure report.
413 // The WebFrame's uniqueName().
415 // True if this is the top-most frame.
417 // Error code as reported in the DidFailProvisionalLoad callback.
419 // An error message generated from the error_code. This can be an empty
420 // string if we were unable to find a meaningful description.
422 // The URL that the error is reported for.
424 // True if the failure is the result of navigating to a POST again
425 // and we're going to show the POST interstitial.
429 // Parameters structure for ViewHostMsg_FrameNavigate, which has too many data
430 // parameters to be reasonably put in a predefined IPC message.
434 // The frame ID for this navigation. The frame ID uniquely identifies the
435 // frame the navigation happened in for a given renderer.
438 // The WebFrame's uniqueName().
441 // Information regarding the security of the connection (empty if the
442 // connection was not secure).
445 // The gesture that initiated this navigation.
448 // True if this was a post request.
451 // The POST body identifier. -1 if it doesn't exist.
454 // Whether the frame navigation resulted in no change to the documents within
455 // the page. For example, the navigation may have just resulted in scrolling
456 // to a named anchor.
459 // The status code of the HTTP request.
462 // True if the connection was proxied. In this case, socket_address
463 // will represent the address of the proxy, rather than the remote host.
466 // Serialized history item state to store in the navigation entry.
469 // Original request's URL.
472 // User agent override used to navigate.
475 // Notifies the browser that for this navigation, the session history was
476 // successfully cleared.
497 // This message is used for supporting popup menus on Mac OS X using native
498 // Cocoa controls. The renderer sends us this message which we use to populate
499 // the popup menu.
501 // Position on the screen.
504 // The height of each item in the menu.
507 // The size of the font to use for those items.
510 // The currently selected (displayed) item in the menu.
513 // The entire list of items in the popup menu.
516 // Whether items should be right-aligned.
519 // Whether this is a multi-select popup.
524 // The type of input field
527 // The value of the input field
530 // The cursor position of the current selection start, or the caret position
531 // if nothing is selected
534 // The cursor position of the current selection end, or the caret position
535 // if nothing is selected
538 // The start position of the current composition, or -1 if there is none
541 // The end position of the current composition, or -1 if there is none
544 // Whether or not inline composition can be performed for the current input.
547 // Whether or not the IME should be shown as a result of this update. Even if
548 // true, the IME will only be shown if the type is appropriate (e.g. not
549 // TEXT_INPUT_TYPE_NONE).
552 // Whether an acknowledgement is required for this update.
557 // The bitmap to be painted into the view at the locations specified by
558 // update_rects.
561 // The position and size of the bitmap.
564 // The scroll delta. Only one of the delta components can be non-zero, and if
565 // they are both zero, then it means there is no scrolling and the scroll_rect
566 // is ignored.
569 // The rectangular region to scroll.
572 // The scroll offset of the render view.
575 // The regions of the bitmap (in view coords) that contain updated pixels.
576 // In the case of scrolling, this includes the scroll damage rect.
579 // The size of the RenderView when this message was generated. This is
580 // included so the host knows how large the view is from the perspective of
581 // the renderer process. This is necessary in case a resize operation is in
582 // progress. If auto-resize is enabled, this should update the corresponding
583 // view size.
586 // New window locations for plugin child windows.
588 plugin_window_moves)
590 // The following describes the various bits that may be set in flags:
591 //
592 // ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
593 // Indicates that this is a response to a ViewMsg_Resize message.
594 //
595 // ViewHostMsg_UpdateRect_Flags::IS_RESTORE_ACK
596 // Indicates that this is a response to a ViewMsg_WasShown message.
597 //
598 // ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
599 // Indicates that this is a response to a ViewMsg_Repaint message.
600 //
601 // If flags is zero, then this message corresponds to an unsolicited paint
602 // request by the render view. Any of the above bits may be set in flags,
603 // which would indicate that this paint message is an ACK for multiple
604 // request messages.
607 // Whether or not the renderer expects a ViewMsg_UpdateRect_ACK for this
608 // update. True for 2D painting, but false for accelerated compositing.
611 // All the above coordinates are in DIP. This is the scale factor needed
612 // to convert them to pixels.
615 // The latency information for the frame. Only valid when accelerated
616 // compositing is disabled.
621 // The page_id for this navigation, or -1 if it is a new navigation. Back,
622 // Forward, and Reload navigations should have a valid page_id. If the load
623 // succeeds, then this page_id will be reflected in the resultant
624 // ViewHostMsg_FrameNavigate message.
627 // If page_id is -1, then pending_history_list_offset will also be -1.
628 // Otherwise, it contains the offset into the history list corresponding to
629 // the current navigation.
632 // Informs the RenderView of where its current page contents reside in
633 // session history and the total size of the session history list.
637 // Informs the RenderView the session history should be cleared. In that
638 // case, the RenderView needs to notify the browser that the clearing was
639 // succesful when the navigation commits.
642 // The URL to load.
645 // Base URL for use in WebKit's SubstituteData.
646 // Is only used with data: URLs.
649 // History URL for use in WebKit's SubstituteData.
650 // Is only used with data: URLs.
653 // The URL to send in the "Referer" header field. Can be empty if there is
654 // no referrer.
657 // Any redirect URLs that occurred before |url|. Useful for cross-process
658 // navigations; defaults to empty.
661 // The type of transition.
664 // Informs the RenderView the pending navigation should replace the current
665 // history entry when it commits. This is used for cross-process redirects so
666 // the transferred navigation can recover the navigation state.
669 // Opaque history state (received by ViewHostMsg_UpdateState).
672 // Type of navigation.
675 // The time the request was created
678 // Extra headers (separated by \n) to send during the request.
681 // The following two members identify a previous request that has been
682 // created before this navigation is being transferred to a new render view.
683 // This serves the purpose of recycling the old request.
684 // Unless this refers to a transferred navigation, these values are -1 and -1.
688 // Whether or not we should allow the url to download.
691 // Whether or not the user agent override string should be used.
694 // True if this was a post request.
697 // If is_post is true, holds the post_data information from browser. Empty
698 // otherwise.
701 // Whether or not this url should be allowed to access local file://
702 // resources.
705 // If not empty, which frame to navigate.
708 // The navigationStart time to expose to JS for this navigation.
713 // Renderer-wide preferences.
716 // Preferences for this view.
719 // The ID of the view to be created.
722 // The ID of the main frame hosted in the view.
725 // The ID of the rendering surface.
728 // The session storage namespace ID this view should use.
731 // The name of the frame associated with this view (or empty if none).
734 // The route ID of the opener RenderView if we need to set one
735 // (MSG_ROUTING_NONE otherwise).
738 // Whether the RenderView should initially be swapped out.
741 // Whether the RenderView should initially be hidden.
744 // The initial page ID to use for this view, which must be larger than any
745 // existing navigation that might be loaded in the view. Page IDs are unique
746 // to a view and are only updated by the renderer after this initial value.
749 // The properties of the screen associated with the view.
752 // The accessibility mode of the renderer.
755 // Specifies whether partially swapping composited buffers is
756 // allowed for a renderer. Partial swaps will be used if they are both
757 // allowed and supported.
762 // The serialized script value.
765 // When sent to the browser, this is the routing ID of the source frame in
766 // the source process. The browser replaces it with the routing ID of the
767 // equivalent (swapped out) frame in the destination process.
770 // The origin of the source frame.
773 // The origin for the message's target.
776 // Information about the MessagePorts this message contains.
781 // Messages sent from the browser to the renderer.
783 // Tells the renderer to cancel an opened date/time dialog.
786 // Get all savable resource links from current webpage, include main
787 // frame and sub-frame.
791 // Get html data by serializing all frames of current page with lists
792 // which contain all resource links that have local copy.
798 // Tells the render side that a ViewHostMsg_LockMouse message has been
799 // processed. |succeeded| indicates whether the mouse has been successfully
800 // locked or not.
803 // Tells the render side that the mouse has been unlocked.
806 // Screen was rotated. Dispatched to the onorientationchange javascript API.
810 // Sent by the browser when the parameters for vsync alignment have changed.
815 // Set the top-level frame to the provided name.
819 // Sent to the RenderView when a new tab is swapped into an existing
820 // tab and the histories need to be merged. The existing tab has a history of
821 // |merged_history_length| which precedes the history of the new tab. All
822 // page_ids >= |minimum_page_id| in the new tab are appended to the history.
823 //
824 // For example, suppose the history of page_ids in the new tab's RenderView
825 // is [4 7 8]. This is merged into an existing tab with 3 history items, and
826 // all pages in the new tab with page_id >= 7 are to be preserved.
827 // The resulting page history is [-1 -1 -1 7 8].
832 // Tells the renderer the browser's notion of its process ID.
833 // Some subsystems, like LatencyInfo, require this to be known to the renderer.
837 // Tells the renderer to create a new view.
838 // This message is slightly different, the view it takes (via
839 // ViewMsg_New_Params) is the view to create, the message itself is sent as a
840 // non-view control message.
842 ViewMsg_New_Params)
844 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
845 // similar to the new command, but used when the renderer created a view
846 // first, and we need to update it.
849 // Sends updated preferences to the renderer.
853 // This passes a set of webkit preferences down to the renderer.
855 WebPreferences)
857 // Informs the renderer that the timezone has changed.
860 // Tells the render view to close.
872 // Tells the render view to change its size. A ViewHostMsg_UpdateRect message
873 // is generated in response provided new_size is not empty and not equal to
874 // the view's current size. The generated ViewHostMsg_UpdateRect message will
875 // have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
876 // we don't have to fetch it every time WebKit asks for it.
880 // Tells the render view that the resize rect has changed.
884 // Sent to inform the view that it was hidden. This allows it to reduce its
885 // resource utilization.
888 // Tells the render view that it is no longer hidden (see WasHidden), and the
889 // render view is expected to respond with a full repaint if needs_repainting
890 // is true. In that case, the generated ViewHostMsg_UpdateRect message will
891 // have the IS_RESTORE_ACK flag set. If needs_repainting is false, then this
892 // message does not trigger a message in response.
896 // Sent to inform the view that it was swapped out. This allows the process to
897 // exit if no other views are using it.
900 // Sent to render the view into the supplied transport DIB, resize
901 // the web widget to match the |page_size|, scale it by the
902 // appropriate scale to make it fit the |desired_size|, and return
903 // it. In response to this message, the host generates a
904 // ViewHostMsg_PaintAtSize_ACK message. Note that the DIB *must* be
905 // the right size to receive an RGBA image at the |desired_size|.
906 // |tag| is sent along with ViewHostMsg_PaintAtSize_ACK unmodified to
907 // identify the PaintAtSize message the ACK belongs to.
914 // Tells the render view that a ViewHostMsg_UpdateRect message was processed.
915 // This signals the render view that it can send another UpdateRect message.
918 // Tells the render view that a SwapBuffers was completed. Typically,
919 // SwapBuffers requests go from renderer -> GPU process -> browser. Most
920 // platforms still use the GfxCxt3D Echo for receiving the SwapBuffers Ack.
921 // Using Echo routes the ack from browser -> GPU process -> renderer, while this
922 // Ack goes directly from browser -> renderer. This is not used for the threaded
923 // compositor path.
926 // Tells the renderer to focus the first (last if reverse is true) focusable
927 // node.
931 // Executes custom context menu action that was provided from WebKit.
936 // Sent in response to a ViewHostMsg_ContextMenu to let the renderer know that
937 // the menu has been closed.
941 // Sent to inform the renderer to invoke a context menu.
942 // The parameter specifies the location in the render view's coordinates.
946 // Tells the renderer to perform the specified navigation, interrupting any
947 // existing navigation.
952 // Tells the renderer to reload the current focused frame
955 // Sent when the user wants to search for a word on the page (find in page).
961 // This message notifies the renderer that the user has closed the FindInPage
962 // window (and what action to take regarding the selection).
966 // Informs the renderer about various statistics the browser has (e.g.
967 // latency) regarding the frames that have been displayed.
971 // Replaces a date time input field.
975 // Copies the image at location x, y to the clipboard (if there indeed is an
976 // image at that location).
981 // Tells the renderer to perform the given action on the media player
982 // located at the given point.
987 // Tells the renderer to perform the given action on the plugin located at
988 // the given point.
993 // Request for the renderer to evaluate an xpath to a frame and execute a
994 // javascript: url in that frame's context. The message is completely
995 // asynchronous and no corresponding response message is sent back.
996 //
997 // frame_xpath contains the modified xpath notation to identify an inner
998 // subframe (starting from the root frame). It is a concatenation of
999 // number of smaller xpaths delimited by '\n'. Each chunk in the string can
1000 // be evaluated to a frame in its parent-frame's context.
1001 //
1002 // Example: /html/body/iframe/\n/html/body/div/iframe/\n/frameset/frame[0]
1003 // can be broken into 3 xpaths
1004 // /html/body/iframe evaluates to an iframe within the root frame
1005 // /html/body/div/iframe evaluates to an iframe within the level-1 iframe
1006 // /frameset/frame[0] evaluates to first frame within the level-2 iframe
1007 //
1008 // jscript_url is the string containing the javascript: url to be executed
1009 // in the target frame's context. The string should start with "javascript:"
1010 // and continue with a valid JS text.
1011 //
1012 // If the fourth parameter is true the result is sent back to the renderer
1013 // using the message ViewHostMsg_ScriptEvalResponse.
1014 // ViewHostMsg_ScriptEvalResponse is passed the ID parameter so that the
1015 // client can uniquely identify the request.
1022 // Posts a message from a frame in another process to the current renderer.
1024 ViewMsg_PostMessage_Params)
1026 // Requests that the RenderView's main frame sets its opener to null.
1029 // Request for the renderer to evaluate an xpath to a frame and insert css
1030 // into that frame's document. See ViewMsg_ScriptEvalRequest for details on
1031 // allowed xpath expressions.
1036 // Change the zoom level for the current main frame. If the level actually
1037 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
1038 // telling it what url got zoomed and what its current zoom level is.
1042 // Set the zoom level for the current main frame. If the level actually
1043 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
1044 // telling it what url got zoomed and what its current zoom level is.
1048 // Zooms the page by the factor defined in the renderer.
1054 // Set the zoom level for a particular url that the renderer is in the
1055 // process of loading. This will be stored, to be used if the load commits
1056 // and ignored otherwise.
1061 // Set the zoom level for a particular url, so all render views
1062 // displaying this url can update their zoom levels to match.
1063 // If scheme is empty, then only host is used for matching.
1069 // Change encoding of page in the renderer.
1073 // Reset encoding of page in the renderer back to default.
1076 // Used to tell a render view whether it should expose various bindings
1077 // that allow JS content extended privileges. See BindingsPolicy for valid
1078 // flag values.
1082 // Tell the renderer to add a property to the WebUI binding object. This
1083 // only works if we allowed WebUI bindings.
1088 // This message starts/stop monitoring the input method status of the focused
1089 // edit control of a renderer process.
1090 // Parameters
1091 // * is_active (bool)
1092 // Indicates if an input method is active in the browser process.
1093 // The possible actions when a renderer process receives this message are
1094 // listed below:
1095 // Value Action
1096 // true Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
1097 // to notify the input method status of the focused edit control.
1098 // false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
1102 // This message sends a string being composed with an input method.
1104 ViewMsg_ImeSetComposition,
1110 // This message confirms an ongoing composition.
1116 // Sets the text composition to be between the given start and end offsets
1117 // in the currently focused editable field.
1123 // Selects between the given start and end offsets in the currently focused
1124 // editable field.
1129 // Deletes the current selection plus the specified number of characters before
1130 // and after the selection or caret.
1135 // Used to notify the render-view that we have received a target URL. Used
1136 // to prevent target URLs spamming the browser.
1140 // Sets the alternate error page URL (link doctor) for the renderer process.
1142 GURL)
1144 // Notifies the color chooser client that the user selected a color.
1147 // Notifies the color chooser client that the color chooser has ended.
1153 // Provides the results of directory enumeration.
1158 // When a renderer sends a ViewHostMsg_Focus to the browser process,
1159 // the browser has the option of sending a ViewMsg_CantFocus back to
1160 // the renderer.
1163 // Instructs the renderer to invoke the frame's shouldClose method, which
1164 // runs the onbeforeunload event handler. Expects the result to be returned
1165 // via ViewHostMsg_ShouldClose.
1168 // Tells the renderer to suppress any further modal dialogs until it receives a
1169 // corresponding ViewMsg_SwapOut message. This ensures that no
1170 // PageGroupLoadDeferrer is on the stack for SwapOut.
1173 // Instructs the renderer to swap out for a cross-site transition, including
1174 // running the unload event handler. Expects a SwapOut_ACK message when
1175 // finished.
1178 // Instructs the renderer to close the current page, including running the
1179 // onunload event handler.
1180 //
1181 // Expects a ClosePage_ACK message when finished.
1184 // Notifies the renderer about ui theme changes
1187 // Notifies the renderer that a paint is to be generated for the rectangle
1188 // passed in.
1192 // Notification that a move or resize renderer's containing window has
1193 // started.
1200 // Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
1201 // ViewHostMsg_ShowWidget to inform the renderer that the browser has
1202 // processed the move. The browser may have ignored the move, but it finished
1203 // processing. This is used because the renderer keeps a temporary cache of
1204 // the widget position while these asynchronous operations are in progress.
1207 // Used to instruct the RenderView to send back updates to the preferred size.
1210 // Used to instruct the RenderView to automatically resize and send back
1211 // updates for the new size.
1216 // Used to instruct the RenderView to disalbe automatically resize.
1220 // Changes the text direction of the currently selected input field (if any).
1224 // Tells the renderer to clear the focused node (if any).
1227 // Make the RenderView transparent and render it onto a custom background. The
1228 // background will be tiled in both directions if it is not large enough.
1232 // Used to tell the renderer not to add scrollbars with height and
1233 // width below a threshold.
1237 // Activate/deactivate the RenderView (i.e., set its controls' tint
1238 // accordingly, etc.).
1242 // Response message to ViewHostMsg_CreateShared/DedicatedWorker.
1243 // Sent when the worker has started.
1246 // Tells the renderer that the network state has changed and that
1247 // window.navigator.onLine should be updated for all WebViews.
1251 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
1252 // Tells the renderer that the channel to the broker has been created.
1257 // Reply to ViewHostMsg_RequestPpapiBrokerPermission.
1258 // Tells the renderer whether permission to access to PPAPI broker was granted
1259 // or not.
1263 // Tells the renderer to empty its plugin list cache, optional reloading
1264 // pages containing plugins.
1268 // Used to instruct the RenderView to go into "view source" mode.
1271 // Instructs the renderer to save the current page to MHTML.
1276 // Temporary message to diagnose an unexpected condition in WebContentsImpl.
1280 // Change the accessibility mode in the renderer process.
1282 AccessibilityMode)
1284 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
1285 // process to release the magnified image.
1289 // Notifies the renderer that a snapshot has been retrieved.
1295 #if defined(OS_MACOSX)
1296 // Notification of a change in scrollbar appearance and/or behavior.
1302 #endif
1304 #if defined(OS_ANDROID)
1305 // Tells the renderer to suspend/resume the webkit timers.
1309 // Sent when the browser wants the bounding boxes of the current find matches.
1310 //
1311 // If match rects are already cached on the browser side, |current_version|
1312 // should be the version number from the ViewHostMsg_FindMatchRects_Reply
1313 // they came in, so the renderer can tell if it needs to send updated rects.
1314 // Otherwise just pass -1 to always receive the list of rects.
1315 //
1316 // There must be an active search string (it is probably most useful to call
1317 // this immediately after a ViewHostMsg_Find_Reply message arrives with
1318 // final_update set to true).
1322 // External popup menus.
1327 // Tells the renderer to try to revert to the zoom level we were at before
1328 // ViewMsg_ScrollFocusedEditableNodeIntoView was called.
1331 // Notifies the renderer whether hiding/showing the top controls is enabled
1332 // and whether or not to animate to the proper state.
1340 // Sent by the browser when the renderer should generate a new frame.
1344 // Sent by the browser when an IME update that requires acknowledgement has been
1345 // processed on the browser side.
1348 // Sent by the browser when we should pause video playback.
1351 #elif defined(OS_MACOSX)
1352 // Let the RenderView know its window has changed visibility.
1356 // Let the RenderView know its window's frame has changed.
1361 // Message sent from the browser to the renderer when the user starts or stops
1362 // resizing the view.
1366 // Tell the renderer that plugin IME has completed.
1371 // External popup menus.
1374 #endif
1376 // Sent by the browser as a reply to ViewHostMsg_SwapCompositorFrame.
1381 // Sent by browser to tell renderer compositor that some resources that were
1382 // given to the browser in a swap are not being used anymore.
1387 // Sent by the browser to ask the renderer for a snapshot of the current view.
1391 // -----------------------------------------------------------------------------
1392 // Messages sent from the renderer to the browser.
1394 // Sent by the renderer when it is creating a new window. The browser creates
1395 // a tab for it and responds with a ViewMsg_CreatingNew_ACK. If route_id is
1396 // MSG_ROUTING_NONE, the view couldn't be created.
1398 ViewHostMsg_CreateWindow_Params,
1404 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
1405 // <select> dropdowns. This message is sent to the WebContentsImpl that
1406 // contains the widget being created.
1413 // Similar to ViewHostMsg_CreateWidget except the widget is a full screen
1414 // window.
1420 // Asks the browser for a unique routing ID.
1424 // Asks the browser for the default audio hardware configuration.
1429 // Asks the browser for CPU usage of the renderer process in percents.
1433 // Asks the browser for the user's monitor profile.
1437 // Asks the browser for the renderer process memory size stats.
1442 // These three messages are sent to the parent RenderViewHost to display the
1443 // page/widget that was created by
1444 // CreateWindow/CreateWidget/CreateFullscreenWidget. routing_id
1445 // refers to the id that was returned from the Create message above.
1446 // The initial_position parameter is a rectangle in screen coordinates.
1447 //
1448 // FUTURE: there will probably be flags here to control if the result is
1449 // in a new window.
1460 // Message to show a full screen widget.
1464 // This message is sent after ViewHostMsg_ShowView to cause the RenderView
1465 // to run in a modal fashion until it is closed.
1469 // Indicates the renderer is ready in response to a ViewMsg_New or
1470 // a ViewMsg_CreatingNew_ACK.
1473 // Indicates the renderer process is gone. This actually is sent by the
1474 // browser process to itself, but keeps the interface cleaner.
1479 // Sent by the renderer process to request that the browser close the view.
1480 // This corresponds to the window.close() API, and the browser may ignore
1481 // this message. Otherwise, the browser will generates a ViewMsg_Close
1482 // message to close the view.
1485 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
1486 // throttle these messages.
1489 // Sent by the renderer process to request that the browser move the view.
1490 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
1491 // the browser may ignore this message.
1495 // Notifies the browser that a frame in the view has changed. This message
1496 // has a lot of parameters and is packed/unpacked by functions defined in
1497 // render_messages.h.
1499 ViewHostMsg_FrameNavigate_Params)
1501 // Used to tell the parent that the user right clicked on an area of the
1502 // content area, and a context menu should be shown for it. The params
1503 // object contains information about the node(s) that were selected when the
1504 // user right clicked.
1507 // Message to show a popup menu using native cocoa controls (Mac only).
1509 ViewHostMsg_ShowPopup_Params)
1511 // Response from ViewMsg_ScriptEvalRequest. The ID is the parameter supplied
1512 // to ViewMsg_ScriptEvalRequest. The result has the value returned by the
1513 // script as its only element, one of Null, Boolean, Integer, Real, Date, or
1514 // String.
1519 // Result of string search in the page.
1520 // Response to ViewMsg_Find with the results of the requested find-in-page
1521 // search, the number of matches found and the selection rect (in screen
1522 // coordinates) for the string found. If |final_update| is false, it signals
1523 // that this is not the last Find_Reply message - more will be sent as the
1524 // scoping effort continues.
1532 // Provides the result from running OnMsgShouldClose. |proceed| matches the
1533 // return value of the the frame's shouldClose method (which includes the
1534 // onbeforeunload handler): true if the user decided to proceed with leaving
1535 // the page.
1541 // Indicates that the current renderer has swapped out, after a SwapOut
1542 // message.
1545 // Indicates that the current page has been closed, after a ClosePage
1546 // message.
1549 // Notifies the browser that media has started/stopped playing.
1556 // Notifies the browser that we have session history information.
1557 // page_id: unique ID that allows us to distinguish between history entries.
1562 // Notifies the browser that a document has been loaded in a frame.
1566 // Notifies the browser that a frame finished loading.
1572 // Changes the title for the page in the UI when the page is navigated or the
1573 // title changes.
1579 // Change the encoding name of the page in UI when the page has detected
1580 // proper encoding name.
1584 // Notifies the browser that we want to show a destination url for a potential
1585 // action (e.g. when the user is hovering over a link).
1587 int32,
1588 GURL)
1590 // Sent when the renderer starts loading the page. This corresponds to
1591 // WebKit's notion of the throbber starting. Note that sometimes you may get
1592 // duplicates of these during a single load.
1595 // Sent when the renderer is done loading a page. This corresponds to WebKit's
1596 // notion of the throbber stopping.
1599 // Sent when the renderer main frame has made progress loading.
1603 // Sent when the renderer main frame sets its opener to null, disowning it for
1604 // the lifetime of the window.
1607 // Sent when the document element is available for the top-level frame. This
1608 // happens after the page starts loading, but before all resources are
1609 // finished.
1612 // Sent when after the onload handler has been invoked for the document
1613 // in the top-level frame.
1617 // Sent when the renderer loads a resource from its memory cache.
1618 // The security info is non empty if the resource was originally loaded over
1619 // a secure connection.
1620 // Note: May only be sent once per URL per frame per committed load.
1628 // Sent when the renderer displays insecure content in a secure page.
1631 // Sent when the renderer runs insecure content in a secure origin.
1643 // Sent when the renderer fails a provisional load with an error.
1645 ViewHostMsg_DidFailProvisionalLoadWithError_Params)
1647 // Tells the render view that a ViewHostMsg_PaintAtSize message was
1648 // processed, and the DIB is ready for use. |tag| has the same value that
1649 // the tag sent along with ViewMsg_PaintAtSize.
1654 // Sent to update part of the view. In response to this message, the host
1655 // generates a ViewMsg_UpdateRect_ACK message.
1657 ViewHostMsg_UpdateRect_Params)
1659 // Sent to unblock the browser's UI thread if it is waiting on an UpdateRect,
1660 // which may get delayed until the browser's UI unblocks.
1663 // Sent by the renderer when accelerated compositing is enabled or disabled to
1664 // notify the browser whether or not is should do painting.
1671 // Message sent from renderer to the browser when focus changes inside the
1672 // webpage. The parameter says whether the newly focused element needs
1673 // keyboard input (true for textfields, text areas and content editable divs).
1678 WebCursor)
1680 // Used to set a cookie. The cookie is set asynchronously, but will be
1681 // available to a subsequent ViewHostMsg_GetCookies request.
1687 // Used to get cookies for the given URL. This may block waiting for a
1688 // previous SetCookie message to be processed.
1694 // Used to get raw cookie information for the given URL. This may block
1695 // waiting for a previous SetCookie message to be processed.
1702 // Used to delete cookie for the given URL and name
1707 // Used to check if cookies are enabled for the given URL. This may block
1708 // waiting for a previous SetCookie message to be processed.
1714 // Used to get the list of plugins
1719 // Return information about a plugin for the given URL and MIME
1720 // type. If there is no matching plugin, |found| is false.
1721 // |actual_mime_type| is the actual mime type supported by the
1722 // found plugin.
1732 // A renderer sends this to the browser process when it wants to
1733 // create a plugin. The browser will create the plugin process if
1734 // necessary, and will return a handle to the channel on success.
1735 // On error an empty string is returned.
1744 #if defined(OS_WIN)
1750 #endif
1752 // Get the list of proxies to use for |url|, as a semicolon delimited list
1753 // of "<TYPE> <HOST>:<PORT>" | "DIRECT".
1759 // A renderer sends this to the browser process when it wants to create a
1760 // worker. The browser will create the worker process if necessary, and
1761 // will return the route id on success. On error returns MSG_ROUTING_NONE.
1763 ViewHostMsg_CreateWorker_Params,
1766 // This message is sent to the browser to see if an instance of this shared
1767 // worker already exists. If so, it returns exists == true. If a
1768 // non-empty name is passed, also validates that the url matches the url of
1769 // the existing worker. If a matching worker is found, the passed-in
1770 // document_id is associated with that worker, to ensure that the worker
1771 // stays alive until the document is detached.
1772 // The route_id returned can be used to forward messages to the worker via
1773 // ForwardToWorker if it exists, otherwise it should be passed in to any
1774 // future call to CreateWorker to avoid creating duplicate workers.
1776 ViewHostMsg_CreateWorker_Params,
1781 // A renderer sends this to the browser process when a document has been
1782 // detached. The browser will use this to constrain the lifecycle of worker
1783 // processes (SharedWorkers are shut down when their last associated document
1784 // is detached).
1788 // Wraps an IPC message that's destined to the worker on the renderer->browser
1789 // hop.
1793 // Tells the browser that a specific Appcache manifest in the current page
1794 // was accessed.
1799 // Initiates a download based on user actions like 'ALT+click'.
1805 // Used to go to the session history entry at the given offset (ie, -1 will
1806 // return the "back" item).
1810 // Sent from an inactive renderer for the browser to route to the active
1811 // renderer, instructing it to close.
1814 // Sent to the browser from an inactive renderer to post a message to the
1815 // active renderer.
1817 ViewMsg_PostMessage_Params)
1827 // Requests that the given URL be opened in the specified manner.
1830 // Notifies that the preferred size of the content changed.
1834 // Notifies that the scroll offset changed.
1835 // This is different from ViewHostMsg_UpdateRect in that ViewHostMsg_UpdateRect
1836 // is not sent at all when threaded compositing is enabled while
1837 // ViewHostMsg_DidChangeScrollOffset works properly in this case.
1840 // Notifies that the pinned-to-side state of the content changed.
1845 // Notifies that the scrollbars-visible state of the content changed.
1850 // Notifies that the number of JavaScript scroll handlers changed.
1854 // Notifies whether there are JavaScript touch event handlers or not.
1858 // A message from HTML-based UI. When (trusted) Javascript calls
1859 // send(message, args), this message is sent to the browser.
1865 // A renderer sends this to the browser process when it wants to create a ppapi
1866 // plugin. The browser will create the plugin process if necessary, and will
1867 // return a handle to the channel on success.
1868 //
1869 // The plugin_child_id is the ChildProcessHost ID assigned in the browser
1870 // process. This ID is valid only in the context of the browser process and is
1871 // used to identify the proper process when the renderer notifies it that the
1872 // plugin is hung.
1873 //
1874 // On error an empty string and null handles are returned.
1881 // Notification that a plugin has created a new plugin instance. The parameters
1882 // indicate:
1883 // -The plugin process ID that we're creating the instance for.
1884 // -The instance ID of the instance being created.
1885 // -A PepperRendererInstanceData struct which contains properties from the
1886 // renderer which are associated with the plugin instance. This includes the
1887 // routing ID of the associated render view and the URL of plugin.
1888 // -Whether the plugin we're creating an instance for is external or internal.
1889 //
1890 // This message must be sync even though it returns no parameters to avoid
1891 // a race condition with the plugin process. The plugin process sends messages
1892 // to the browser that assume the browser knows about the instance. We need to
1893 // make sure that the browser actually knows about the instance before we tell
1894 // the plugin to run.
1896 ViewHostMsg_DidCreateOutOfProcessPepperInstance,
1902 // Notification that a plugin has destroyed an instance. This is the opposite of
1903 // the "DidCreate" message above.
1909 // Message from the renderer to the browser indicating the in-process instance
1910 // has been created.
1915 // Message from the renderer to the browser indicating the in-process instance
1916 // has been destroyed.
1920 // A renderer sends this to the browser process when it wants to
1921 // create a ppapi broker. The browser will create the broker process
1922 // if necessary, and will return a handle to the channel on success.
1923 // On error an empty string is returned.
1924 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
1929 // A renderer sends this to the browser process when it wants to access a PPAPI
1930 // broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
1931 // for every connection.
1932 // The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
1938 #if defined(USE_X11)
1939 // A renderer sends this when it needs a browser-side widget for
1940 // hosting a windowed plugin. id is the XID of the plugin window, for which
1941 // the container is created.
1945 // Destroy a plugin container previously created using CreatePluginContainer.
1946 // id is the XID of the plugin window corresponding to the container that is
1947 // to be destroyed.
1950 #endif
1952 // Send the tooltip text for the current mouse position to the browser.
1960 // Notification that the text selection has changed.
1961 // Note: The secound parameter is the character based offset of the string16
1962 // text in the document.
1968 // Notification that the selection bounds have changed.
1970 ViewHostMsg_SelectionBounds_Params)
1972 // Asks the browser to open the color chooser.
1977 // Asks the browser to end the color chooser.
1980 // Change the selected color in the color chooser.
1985 // Asks the browser to display the file chooser. The result is returned in a
1986 // ViewHost_RunFileChooserResponse message.
1990 // Asks the browser to enumerate a directory. This is equivalent to running
1991 // the file chooser in directory-enumeration mode and having the user select
1992 // the given directory. The result is returned in a
1993 // ViewMsg_EnumerateDirectoryResponse message.
1998 // Tells the browser to move the focus to the next (previous if reverse is
1999 // true) focusable element.
2003 // Required for opening a date/time dialog
2012 // Required for updating text input state.
2016 // Required for cancelling an ongoing input method composition.
2019 // WebKit and JavaScript error messages to log to the console
2020 // or debugger UI.
2027 // Sent by the renderer process to indicate that a plugin instance has crashed.
2028 // Note: |plugin_pid| should not be trusted. The corresponding process has
2029 // probably died. Moreover, the ID may have been reused by a new process. Any
2030 // usage other than displaying it in a prompt to the user is very likely to be
2031 // wrong.
2036 // Displays a box to confirm that the user wants to navigate away from the
2037 // page. Replies true if yes, false otherwise, the reply string is ignored,
2038 // but is included so that we can use OnJavaScriptMessageBoxClosed.
2046 // Sent when a provisional load on the main frame redirects.
2052 // Sent when the renderer changes the zoom level for a particular url, so the
2053 // browser can update its records. If remember is true, then url is used to
2054 // update the zoom level for all pages in that site. Otherwise, the render
2055 // view's id is used so that only the menu is updated.
2061 // Updates the minimum/maximum allowed zoom percent for this tab from the
2062 // default values. If |remember| is true, then the zoom setting is applied to
2063 // other pages in the site and is saved, otherwise it only applies to this
2064 // tab.
2070 // Notify the browser that this render process can or can't be suddenly
2071 // terminated.
2075 // Informs the browser of updated frame names.
2092 // This message is synthesized by GpuProcessHost to pass through a swap message
2093 // to the RenderWidgetHelper. This allows GetBackingStore to block for either a
2094 // software or GPU frame.
2096 ViewHostMsg_CompositorSurfaceBuffersSwapped,
2103 // Sent by the compositor when input scroll events are dropped due to bounds
2104 // restricions on the root scroll offset.
2109 // Reply to a snapshot request containing whether snapshotting succeeded and the
2110 // SkBitmap if it succeeded.
2115 //---------------------------------------------------------------------------
2116 // Request for cryptographic operation messages:
2117 // These are messages from the renderer to the browser to perform a
2118 // cryptographic operation.
2120 // Asks the browser process to generate a keypair for grabbing a client
2121 // certificate from a CA (<keygen> tag), and returns the signed public
2122 // key and challenge string.
2129 // Message sent from the renderer to the browser to request that the browser
2130 // cache |data| associated with |url|.
2136 // Displays a JavaScript out-of-memory message in the infobar.
2139 // Register a new handler for URL requests with the given scheme.
2146 // Stores new inspector setting in the profile.
2147 // TODO(jam): this should be in the chrome module
2152 // Puts the browser into "tab fullscreen" mode for the sending renderer.
2153 // See the comment in chrome/browser/ui/browser.h for more details.
2157 // Send back a string to be recorded by UserMetrics.
2161 // Notifies the browser that the page was or was not saved as MHTML.
2176 // Notifies the browser of an event occurring in the media pipeline.
2180 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
2181 // being sent back.
2182 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
2183 // pop up a bubble to ask for user permission or take mouse lock content into
2184 // account.
2190 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
2191 // whenever the mouse is unlocked (which may or may not be caused by
2192 // ViewHostMsg_UnlockMouse).
2195 // Notifies that the initial empty document of a view has been accessed.
2196 // After this, it is no longer safe to show a pending navigation's URL without
2197 // making a URL spoof possible.
2200 // Following message is used to communicate the values received by the
2201 // callback binding the JS to Cpp.
2202 // An instance of browser that has an automation host listening to it can
2203 // have a javascript send a native value (string, number, boolean) to the
2204 // listener in Cpp. (DomAutomationController)
2209 // Sent to the browser when the renderer detects it is blocked on a pepper
2210 // plugin message for too long. This is also sent when it becomes unhung
2211 // (according to the value of is_hung). The browser can give the user the
2212 // option of killing the plugin.
2218 // Notifies that multiple touch targets may have been pressed, and to show
2219 // the disambiguation popup.
2225 // Sent by the renderer process to check whether client 3D APIs
2226 // (Pepper 3D, WebGL) are explicitly blocked.
2233 // Sent by the renderer process to indicate that a context was lost by
2234 // client 3D content (Pepper 3D, WebGL) running on the page at the
2235 // given URL.
2241 // Notifies the browser that document has parsed the body. This is used by the
2242 // ResourceScheduler as an indication that bandwidth contention won't block
2243 // first paint.
2246 // Notification that the urls for the favicon of a site has been determined.
2251 // Sent once a paint happens after the first non empty layout. In other words
2252 // after the page has painted something.
2256 // Sent by the renderer to the browser to start a vibration with the given
2257 // duration.
2261 // Sent by the renderer to the browser to cancel the currently running
2262 // vibration, if there is one.
2265 #if defined(OS_ANDROID)
2266 // Response to ViewMsg_FindMatchRects.
2267 //
2268 // |version| will contain the current version number of the renderer's find
2269 // match list (incremented whenever they change), which should be passed in the
2270 // next call to ViewMsg_FindMatchRects.
2271 //
2272 // |rects| will either contain a list of the enclosing rects of all matches
2273 // found by the most recent Find operation, or will be empty if |version| is not
2274 // greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
2275 // your locally cached rects should still be valid). The rect coords will be
2276 // custom normalized fractions of the document size. The rects will be sorted by
2277 // frame traversal order starting in the main frame, then by dom order.
2278 //
2279 // |active_rect| will contain the bounding box of the active find-in-page match
2280 // marker, in similarly normalized coords (or an empty rect if there isn't one).
2286 // Start an android intent with the given URI.
2290 // Message sent when the renderer changed the background color for the view.
2294 // This message runs the MediaCodec for decoding audio for webaudio.
2300 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
2301 // display events. If |enabled| is true, the BeginFrame message will continue
2302 // to be be delivered until the notification is disabled.
2306 #elif defined(OS_MACOSX)
2307 // Request that the browser load a font into shared memory for us.
2314 // Informs the browser that a plugin has gained or lost focus.
2319 // Instructs the browser to start plugin IME.
2322 #elif defined(OS_WIN)
2323 // Request that the given font characters be loaded by the browser so it's
2324 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
2325 // for details.
2329 #endif
2331 #if defined(OS_POSIX)
2332 // On POSIX, we cannot allocated shared memory from within the sandbox, so
2333 // this call exists for the renderer to ask the browser to allocate memory
2334 // on its behalf. We return a file descriptor to the POSIX shared memory.
2335 // If the |cache_in_browser| flag is |true|, then a copy of the shmem is kept
2336 // by the browser, and it is the caller's repsonsibility to send a
2337 // ViewHostMsg_FreeTransportDIB message in order to release the cached shmem.
2338 // In all cases, the caller is responsible for deleting the resulting
2339 // TransportDIB.
2345 // Since the browser keeps handles to the allocated transport DIBs, this
2346 // message is sent to tell the browser that it may release them when the
2347 // renderer is finished with them.
2350 #endif
2352 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
2353 // On MACOSX, WIN and AURA IME can request composition character bounds
2354 // synchronously (see crbug.com/120597). This IPC message sends the character
2355 // bounds after every composition change to always have correct bound info.
2359 #endif
2361 // Adding a new message? Stick to the sort order above: first platform
2362 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
2363 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.