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1 // Copyright 2013 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.
4 
5 // IPC messages for interacting with frames.
6 // Multiply-included message file, hence no include guard.
7 
8 #include "content/common/content_export.h"
9 #include "content/common/content_param_traits.h"
10 #include "content/common/frame_message_enums.h"
11 #include "content/common/frame_param.h"
12 #include "content/common/navigation_gesture.h"
13 #include "content/common/resource_request_body.h"
14 #include "content/public/common/color_suggestion.h"
15 #include "content/public/common/common_param_traits.h"
16 #include "content/public/common/context_menu_params.h"
17 #include "content/public/common/frame_navigate_params.h"
18 #include "content/public/common/javascript_message_type.h"
19 #include "content/public/common/page_state.h"
20 #include "ipc/ipc_message_macros.h"
21 #include "ui/gfx/ipc/gfx_param_traits.h"
22 #include "url/gurl.h"
23 
24 #undef IPC_MESSAGE_EXPORT
25 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
26 
27 #define IPC_MESSAGE_START FrameMsgStart
28 
29 IPC_ENUM_TRAITS_MIN_MAX_VALUE(AccessibilityMode,
30                               AccessibilityModeOff,
31                               AccessibilityModeComplete)
32 IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::JavaScriptMessageType,
33                               content::JAVASCRIPT_MESSAGE_TYPE_ALERT,
34                               content::JAVASCRIPT_MESSAGE_TYPE_PROMPT)
35 IPC_ENUM_TRAITS_MAX_VALUE(FrameMsg_Navigate_Type::Value,
36                           FrameMsg_Navigate_Type::NAVIGATE_TYPE_LAST)
37 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebContextMenuData::MediaType,
38                           blink::WebContextMenuData::MediaTypeLast)
39 IPC_ENUM_TRAITS_MAX_VALUE(ui::MenuSourceType, ui::MENU_SOURCE_TYPE_LAST)
40 
41 IPC_STRUCT_TRAITS_BEGIN(content::ColorSuggestion)
42   IPC_STRUCT_TRAITS_MEMBER(color)
43   IPC_STRUCT_TRAITS_MEMBER(label)
44 IPC_STRUCT_TRAITS_END()
45 
46 IPC_STRUCT_TRAITS_BEGIN(content::ContextMenuParams)
47   IPC_STRUCT_TRAITS_MEMBER(media_type)
48   IPC_STRUCT_TRAITS_MEMBER(x)
49   IPC_STRUCT_TRAITS_MEMBER(y)
50   IPC_STRUCT_TRAITS_MEMBER(link_url)
51   IPC_STRUCT_TRAITS_MEMBER(link_text)
52   IPC_STRUCT_TRAITS_MEMBER(unfiltered_link_url)
53   IPC_STRUCT_TRAITS_MEMBER(src_url)
54   IPC_STRUCT_TRAITS_MEMBER(has_image_contents)
55   IPC_STRUCT_TRAITS_MEMBER(page_url)
56   IPC_STRUCT_TRAITS_MEMBER(keyword_url)
57   IPC_STRUCT_TRAITS_MEMBER(frame_url)
58   IPC_STRUCT_TRAITS_MEMBER(frame_page_state)
59   IPC_STRUCT_TRAITS_MEMBER(media_flags)
60   IPC_STRUCT_TRAITS_MEMBER(selection_text)
61   IPC_STRUCT_TRAITS_MEMBER(suggested_filename)
62   IPC_STRUCT_TRAITS_MEMBER(misspelled_word)
63   IPC_STRUCT_TRAITS_MEMBER(misspelling_hash)
64   IPC_STRUCT_TRAITS_MEMBER(dictionary_suggestions)
65   IPC_STRUCT_TRAITS_MEMBER(spellcheck_enabled)
66   IPC_STRUCT_TRAITS_MEMBER(is_editable)
67   IPC_STRUCT_TRAITS_MEMBER(writing_direction_default)
68   IPC_STRUCT_TRAITS_MEMBER(writing_direction_left_to_right)
69   IPC_STRUCT_TRAITS_MEMBER(writing_direction_right_to_left)
70   IPC_STRUCT_TRAITS_MEMBER(edit_flags)
71   IPC_STRUCT_TRAITS_MEMBER(security_info)
72   IPC_STRUCT_TRAITS_MEMBER(frame_charset)
73   IPC_STRUCT_TRAITS_MEMBER(referrer_policy)
74   IPC_STRUCT_TRAITS_MEMBER(custom_context)
75   IPC_STRUCT_TRAITS_MEMBER(custom_items)
76   IPC_STRUCT_TRAITS_MEMBER(source_type)
77 #if defined(OS_ANDROID)
78   IPC_STRUCT_TRAITS_MEMBER(selection_start)
79   IPC_STRUCT_TRAITS_MEMBER(selection_end)
80 #endif
81 IPC_STRUCT_TRAITS_END()
82 
83 IPC_STRUCT_TRAITS_BEGIN(content::CustomContextMenuContext)
84   IPC_STRUCT_TRAITS_MEMBER(is_pepper_menu)
85   IPC_STRUCT_TRAITS_MEMBER(request_id)
86   IPC_STRUCT_TRAITS_MEMBER(render_widget_id)
87   IPC_STRUCT_TRAITS_MEMBER(link_followed)
88 IPC_STRUCT_TRAITS_END()
89 
90 IPC_STRUCT_BEGIN(FrameHostMsg_DidFailProvisionalLoadWithError_Params)
91   // Error code as reported in the DidFailProvisionalLoad callback.
92   IPC_STRUCT_MEMBER(int, error_code)
93   // An error message generated from the error_code. This can be an empty
94   // string if we were unable to find a meaningful description.
95   IPC_STRUCT_MEMBER(base::string16, error_description)
96   // The URL that the error is reported for.
97   IPC_STRUCT_MEMBER(GURL, url)
98   // True if the failure is the result of navigating to a POST again
99   // and we're going to show the POST interstitial.
100   IPC_STRUCT_MEMBER(bool, showing_repost_interstitial)
101 IPC_STRUCT_END()
102 
103 IPC_STRUCT_TRAITS_BEGIN(content::FrameNavigateParams)
104   IPC_STRUCT_TRAITS_MEMBER(page_id)
105   IPC_STRUCT_TRAITS_MEMBER(url)
106   IPC_STRUCT_TRAITS_MEMBER(base_url)
107   IPC_STRUCT_TRAITS_MEMBER(referrer)
108   IPC_STRUCT_TRAITS_MEMBER(transition)
109   IPC_STRUCT_TRAITS_MEMBER(redirects)
110   IPC_STRUCT_TRAITS_MEMBER(should_update_history)
111   IPC_STRUCT_TRAITS_MEMBER(searchable_form_url)
112   IPC_STRUCT_TRAITS_MEMBER(searchable_form_encoding)
113   IPC_STRUCT_TRAITS_MEMBER(contents_mime_type)
114   IPC_STRUCT_TRAITS_MEMBER(socket_address)
115 IPC_STRUCT_TRAITS_END()
116 
117 // Parameters structure for FrameHostMsg_DidCommitProvisionalLoad, which has
118 // too many data parameters to be reasonably put in a predefined IPC message.
119 IPC_STRUCT_BEGIN_WITH_PARENT(FrameHostMsg_DidCommitProvisionalLoad_Params,
120                              content::FrameNavigateParams)
121   IPC_STRUCT_TRAITS_PARENT(content::FrameNavigateParams)
122 
123   // Information regarding the security of the connection (empty if the
124   // connection was not secure).
125   IPC_STRUCT_MEMBER(std::string, security_info)
126 
127   // The gesture that initiated this navigation.
128   IPC_STRUCT_MEMBER(content::NavigationGesture, gesture)
129 
130   // True if this was a post request.
131   IPC_STRUCT_MEMBER(bool, is_post)
132 
133   // The POST body identifier. -1 if it doesn't exist.
134   IPC_STRUCT_MEMBER(int64, post_id)
135 
136   // Whether the frame navigation resulted in no change to the documents within
137   // the page. For example, the navigation may have just resulted in scrolling
138   // to a named anchor.
139   IPC_STRUCT_MEMBER(bool, was_within_same_page)
140 
141   // The status code of the HTTP request.
142   IPC_STRUCT_MEMBER(int, http_status_code)
143 
144   // This flag is used to warn if the renderer is displaying an error page,
145   // so that we can set the appropriate page type.
146   IPC_STRUCT_MEMBER(bool, url_is_unreachable)
147 
148   // True if the connection was proxied.  In this case, socket_address
149   // will represent the address of the proxy, rather than the remote host.
150   IPC_STRUCT_MEMBER(bool, was_fetched_via_proxy)
151 
152   // Serialized history item state to store in the navigation entry.
153   IPC_STRUCT_MEMBER(content::PageState, page_state)
154 
155   // Original request's URL.
156   IPC_STRUCT_MEMBER(GURL, original_request_url)
157 
158   // User agent override used to navigate.
159   IPC_STRUCT_MEMBER(bool, is_overriding_user_agent)
160 
161   // Notifies the browser that for this navigation, the session history was
162   // successfully cleared.
163   IPC_STRUCT_MEMBER(bool, history_list_was_cleared)
164 
165   // The routing_id of the render view associated with the navigation.
166   // We need to track the RenderViewHost routing_id because of downstream
167   // dependencies (crbug.com/392171 DownloadRequestHandle, SaveFileManager,
168   // ResourceDispatcherHostImpl, MediaStreamUIProxy,
169   // SpeechRecognitionDispatcherHost and possibly others). They look up the view
170   // based on the ID stored in the resource requests. Once those dependencies
171   // are unwound or moved to RenderFrameHost (crbug.com/304341) we can move the
172   // client to be based on the routing_id of the RenderFrameHost.
173   IPC_STRUCT_MEMBER(int, render_view_routing_id)
174 IPC_STRUCT_END()
175 
176 IPC_STRUCT_BEGIN(FrameMsg_Navigate_Params)
177   // The page_id for this navigation, or -1 if it is a new navigation.  Back,
178   // Forward, and Reload navigations should have a valid page_id.  If the load
179   // succeeds, then this page_id will be reflected in the resultant
180   // FrameHostMsg_DidCommitProvisionalLoad message.
181   IPC_STRUCT_MEMBER(int32, page_id)
182 
183   // If page_id is -1, then pending_history_list_offset will also be -1.
184   // Otherwise, it contains the offset into the history list corresponding to
185   // the current navigation.
186   IPC_STRUCT_MEMBER(int, pending_history_list_offset)
187 
188   // Informs the RenderView of where its current page contents reside in
189   // session history and the total size of the session history list.
190   IPC_STRUCT_MEMBER(int, current_history_list_offset)
191   IPC_STRUCT_MEMBER(int, current_history_list_length)
192 
193   // Informs the RenderView the session history should be cleared. In that
194   // case, the RenderView needs to notify the browser that the clearing was
195   // succesful when the navigation commits.
196   IPC_STRUCT_MEMBER(bool, should_clear_history_list)
197 
198   // The URL to load.
199   IPC_STRUCT_MEMBER(GURL, url)
200 
201   // Base URL for use in WebKit's SubstituteData.
202   // Is only used with data: URLs.
203   IPC_STRUCT_MEMBER(GURL, base_url_for_data_url)
204 
205   // History URL for use in WebKit's SubstituteData.
206   // Is only used with data: URLs.
207   IPC_STRUCT_MEMBER(GURL, history_url_for_data_url)
208 
209   // The URL to send in the "Referer" header field. Can be empty if there is
210   // no referrer.
211   IPC_STRUCT_MEMBER(content::Referrer, referrer)
212 
213   // Any redirect URLs that occurred before |url|. Useful for cross-process
214   // navigations; defaults to empty.
215   IPC_STRUCT_MEMBER(std::vector<GURL>, redirects)
216 
217   // The type of transition.
218   IPC_STRUCT_MEMBER(ui::PageTransition, transition)
219 
220   // Informs the RenderView the pending navigation should replace the current
221   // history entry when it commits. This is used for cross-process redirects so
222   // the transferred navigation can recover the navigation state.
223   IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
224 
225   // Opaque history state (received by ViewHostMsg_UpdateState).
226   IPC_STRUCT_MEMBER(content::PageState, page_state)
227 
228   // Type of navigation.
229   IPC_STRUCT_MEMBER(FrameMsg_Navigate_Type::Value, navigation_type)
230 
231   // The time the request was created. This is used by the old performance
232   // infrastructure to set up DocumentState associated with the RenderView.
233   // TODO(ppi): make it go away.
234   IPC_STRUCT_MEMBER(base::Time, request_time)
235 
236   // Extra headers (separated by \n) to send during the request.
237   IPC_STRUCT_MEMBER(std::string, extra_headers)
238 
239   // The following two members identify a previous request that has been
240   // created before this navigation is being transferred to a new render view.
241   // This serves the purpose of recycling the old request.
242   // Unless this refers to a transferred navigation, these values are -1 and -1.
243   IPC_STRUCT_MEMBER(int, transferred_request_child_id)
244   IPC_STRUCT_MEMBER(int, transferred_request_request_id)
245 
246   // Whether or not we should allow the url to download.
247   IPC_STRUCT_MEMBER(bool, allow_download)
248 
249   // Whether or not the user agent override string should be used.
250   IPC_STRUCT_MEMBER(bool, is_overriding_user_agent)
251 
252   // True if this was a post request.
253   IPC_STRUCT_MEMBER(bool, is_post)
254 
255   // If is_post is true, holds the post_data information from browser. Empty
256   // otherwise.
257   IPC_STRUCT_MEMBER(std::vector<unsigned char>, browser_initiated_post_data)
258 
259   // Whether or not this url should be allowed to access local file://
260   // resources.
261   IPC_STRUCT_MEMBER(bool, can_load_local_resources)
262 
263   // If not empty, which frame to navigate.
264   IPC_STRUCT_MEMBER(std::string, frame_to_navigate)
265 
266   // The navigationStart time to expose through the Navigation Timing API to JS.
267   IPC_STRUCT_MEMBER(base::TimeTicks, browser_navigation_start)
268 IPC_STRUCT_END()
269 
270 IPC_STRUCT_BEGIN(FrameHostMsg_OpenURL_Params)
271   IPC_STRUCT_MEMBER(GURL, url)
272   IPC_STRUCT_MEMBER(content::Referrer, referrer)
273   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
274   IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
275   IPC_STRUCT_MEMBER(bool, user_gesture)
276 IPC_STRUCT_END()
277 
278 // PlzNavigate
279 IPC_STRUCT_BEGIN(FrameHostMsg_BeginNavigation_Params)
280   // The request method: GET, POST, etc.
281   IPC_STRUCT_MEMBER(std::string, method)
282 
283   // The requested URL.
284   IPC_STRUCT_MEMBER(GURL, url)
285 
286   // The referrer to use (may be empty).
287   IPC_STRUCT_MEMBER(content::Referrer, referrer)
288 
289   // Additional HTTP request headers.
290   IPC_STRUCT_MEMBER(std::string, headers)
291 
292   // net::URLRequest load flags (net::LOAD_NORMAL) by default).
293   IPC_STRUCT_MEMBER(int, load_flags)
294 
295   // Optional resource request body (may be null).
296   IPC_STRUCT_MEMBER(scoped_refptr<content::ResourceRequestBody>,
297                     request_body)
298 
299   // True if the request was user initiated.
300   IPC_STRUCT_MEMBER(bool, has_user_gesture)
301 
302   IPC_STRUCT_MEMBER(ui::PageTransition, transition_type)
303 
304   // Whether this navigation should replace the current session history entry on
305   // commit.
306   IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
307 
308   // Whether or not we should allow the URL to download.
309   IPC_STRUCT_MEMBER(bool, allow_download)
310 IPC_STRUCT_END()
311 
312 #if defined(OS_MACOSX) || defined(OS_ANDROID)
313 // This message is used for supporting popup menus on Mac OS X and Android using
314 // native controls. See the FrameHostMsg_ShowPopup message.
315 IPC_STRUCT_BEGIN(FrameHostMsg_ShowPopup_Params)
316   // Position on the screen.
317   IPC_STRUCT_MEMBER(gfx::Rect, bounds)
318 
319   // The height of each item in the menu.
320   IPC_STRUCT_MEMBER(int, item_height)
321 
322   // The size of the font to use for those items.
323   IPC_STRUCT_MEMBER(double, item_font_size)
324 
325   // The currently selected (displayed) item in the menu.
326   IPC_STRUCT_MEMBER(int, selected_item)
327 
328   // The entire list of items in the popup menu.
329   IPC_STRUCT_MEMBER(std::vector<content::MenuItem>, popup_items)
330 
331   // Whether items should be right-aligned.
332   IPC_STRUCT_MEMBER(bool, right_aligned)
333 
334   // Whether this is a multi-select popup.
335   IPC_STRUCT_MEMBER(bool, allow_multiple_selection)
336 IPC_STRUCT_END()
337 #endif
338 
339 // -----------------------------------------------------------------------------
340 // Messages sent from the browser to the renderer.
341 
342 // Notifies the embedding frame that a new CompositorFrame is ready to be
343 // presented. When the frame finishes presenting, a matching
344 // FrameHostMsg_CompositorFrameSwappedACK should be sent back to the
345 // RenderViewHost that was produced the CompositorFrame.
346 //
347 // This is used in the ubercomp compositing path.
348 IPC_MESSAGE_ROUTED1(FrameMsg_CompositorFrameSwapped,
349                     FrameMsg_CompositorFrameSwapped_Params /* params */)
350 
351 // Notifies the embedding frame that the process rendering the child frame's
352 // contents has terminated.
353 IPC_MESSAGE_ROUTED0(FrameMsg_ChildFrameProcessGone)
354 
355 // Sent in response to a FrameHostMsg_ContextMenu to let the renderer know that
356 // the menu has been closed.
357 IPC_MESSAGE_ROUTED1(FrameMsg_ContextMenuClosed,
358                     content::CustomContextMenuContext /* custom_context */)
359 
360 // Executes custom context menu action that was provided from Blink.
361 IPC_MESSAGE_ROUTED2(FrameMsg_CustomContextMenuAction,
362                     content::CustomContextMenuContext /* custom_context */,
363                     unsigned /* action */)
364 
365 // Requests that the RenderFrame or RenderFrameProxy sets its opener to null.
366 IPC_MESSAGE_ROUTED0(FrameMsg_DisownOpener)
367 
368 // Instructs the renderer to create a new RenderFrame object with |routing_id|.
369 // The new frame should be created as a child of the object identified by
370 // |parent_routing_id| or as top level if that is MSG_ROUTING_NONE.
371 IPC_MESSAGE_CONTROL2(FrameMsg_NewFrame,
372                      int /* routing_id */,
373                      int /* parent_routing_id */)
374 
375 // Instructs the renderer to create a new RenderFrameProxy object with
376 // |routing_id|. The new proxy should be created as a child of the object
377 // identified by |parent_routing_id| or as top level if that is
378 // MSG_ROUTING_NONE.
379 IPC_MESSAGE_CONTROL3(FrameMsg_NewFrameProxy,
380                      int /* routing_id */,
381                      int /* parent_routing_id */,
382                      int /* render_view_routing_id */)
383 
384 // Tells the renderer to perform the specified navigation, interrupting any
385 // existing navigation.
386 IPC_MESSAGE_ROUTED1(FrameMsg_Navigate, FrameMsg_Navigate_Params)
387 
388 // Instructs the renderer to invoke the frame's beforeunload event handler.
389 // Expects the result to be returned via FrameHostMsg_BeforeUnload_ACK.
390 IPC_MESSAGE_ROUTED0(FrameMsg_BeforeUnload)
391 
392 // Instructs the frame to swap out for a cross-site transition, including
393 // running the unload event handler and creating a RenderFrameProxy with the
394 // given |proxy_routing_id|. Expects a SwapOut_ACK message when finished.
395 IPC_MESSAGE_ROUTED1(FrameMsg_SwapOut,
396                     int /* proxy_routing_id */)
397 
398 // Instructs the frame to stop the load in progress, if any.
399 IPC_MESSAGE_ROUTED0(FrameMsg_Stop)
400 
401 // Request for the renderer to insert CSS into the frame.
402 IPC_MESSAGE_ROUTED1(FrameMsg_CSSInsertRequest,
403                     std::string  /* css */)
404 
405 // Request for the renderer to execute JavaScript in the frame's context.
406 //
407 // javascript is the string containing the JavaScript to be executed in the
408 // target frame's context.
409 //
410 // If the third parameter is true the result is sent back to the browser using
411 // the message FrameHostMsg_JavaScriptExecuteResponse.
412 // FrameHostMsg_JavaScriptExecuteResponse is passed the ID parameter so that the
413 // host can uniquely identify the request.
414 IPC_MESSAGE_ROUTED3(FrameMsg_JavaScriptExecuteRequest,
415                     base::string16,  /* javascript */
416                     int,  /* ID */
417                     bool  /* if true, a reply is requested */)
418 
419 // ONLY FOR TESTS: Same as above but adds a fake UserGestureindicator around
420 // execution. (crbug.com/408426)
421 IPC_MESSAGE_ROUTED3(FrameMsg_JavaScriptExecuteRequestForTests,
422                     base::string16,  /* javascript */
423                     int,  /* ID */
424                     bool  /* if true, a reply is requested */)
425 
426 // Selects between the given start and end offsets in the currently focused
427 // editable field.
428 IPC_MESSAGE_ROUTED2(FrameMsg_SetEditableSelectionOffsets,
429                     int /* start */,
430                     int /* end */)
431 
432 // Requests a navigation to the supplied markup, in an iframe with sandbox
433 // attributes.
434 IPC_MESSAGE_ROUTED1(FrameMsg_SetupTransitionView,
435                     std::string /* markup */)
436 
437 // Tells the renderer to hide the elements specified by the supplied CSS
438 // selector, and activates any exiting-transition stylesheets.
439 IPC_MESSAGE_ROUTED1(FrameMsg_BeginExitTransition,
440                     std::string /* css_selector */)
441 
442 // Tells the renderer to reload the frame, optionally ignoring the cache while
443 // doing so.
444 IPC_MESSAGE_ROUTED1(FrameMsg_Reload,
445                     bool /* ignore_cache */)
446 
447 // Notifies the color chooser client that the user selected a color.
448 IPC_MESSAGE_ROUTED2(FrameMsg_DidChooseColorResponse, unsigned, SkColor)
449 
450 // Notifies the color chooser client that the color chooser has ended.
451 IPC_MESSAGE_ROUTED1(FrameMsg_DidEndColorChooser, unsigned)
452 
453 // Notifies the corresponding RenderFrameProxy object to replace itself with the
454 // RenderFrame object it is associated with.
455 IPC_MESSAGE_ROUTED0(FrameMsg_DeleteProxy)
456 
457 // Request the text surrounding the selection with a |max_length|. The response
458 // will be sent via FrameHostMsg_TextSurroundingSelectionResponse.
459 IPC_MESSAGE_ROUTED1(FrameMsg_TextSurroundingSelectionRequest,
460                     size_t /* max_length */)
461 
462 // Tells the renderer to insert a link to the specified stylesheet. This is
463 // needed to support navigation transitions.
464 IPC_MESSAGE_ROUTED1(FrameMsg_AddStyleSheetByURL, std::string)
465 
466 // Change the accessibility mode in the renderer process.
467 IPC_MESSAGE_ROUTED1(FrameMsg_SetAccessibilityMode,
468                     AccessibilityMode)
469 
470 #if defined(OS_ANDROID)
471 
472 // External popup menus.
473 IPC_MESSAGE_ROUTED2(FrameMsg_SelectPopupMenuItems,
474                     bool /* user canceled the popup */,
475                     std::vector<int> /* selected indices */)
476 
477 #elif defined(OS_MACOSX)
478 
479 // External popup menus.
480 IPC_MESSAGE_ROUTED1(FrameMsg_SelectPopupMenuItem,
481                     int /* selected index, -1 means no selection */)
482 
483 #endif
484 
485 // -----------------------------------------------------------------------------
486 // Messages sent from the renderer to the browser.
487 
488 // Blink and JavaScript error messages to log to the console
489 // or debugger UI.
490 IPC_MESSAGE_ROUTED4(FrameHostMsg_AddMessageToConsole,
491                     int32, /* log level */
492                     base::string16, /* msg */
493                     int32, /* line number */
494                     base::string16 /* source id */ )
495 
496 // Sent by the renderer when a child frame is created in the renderer.
497 //
498 // Each of these messages will have a corresponding FrameHostMsg_Detach message
499 // sent when the frame is detached from the DOM.
500 IPC_SYNC_MESSAGE_CONTROL2_1(FrameHostMsg_CreateChildFrame,
501                             int32 /* parent_routing_id */,
502                             std::string /* frame_name */,
503                             int32 /* new_routing_id */)
504 
505 // Sent by the renderer to the parent RenderFrameHost when a child frame is
506 // detached from the DOM.
507 IPC_MESSAGE_ROUTED0(FrameHostMsg_Detach)
508 
509 // Sent by the renderer when the frame becomes focused.
510 IPC_MESSAGE_ROUTED0(FrameHostMsg_FrameFocused)
511 
512 // Sent when the renderer starts a provisional load for a frame.
513 // |is_transition_navigation| signals that the frame has defined transition
514 // elements which can be animated by the navigation destination to provide
515 // a transition effect during load.
516 IPC_MESSAGE_ROUTED2(FrameHostMsg_DidStartProvisionalLoadForFrame,
517                     GURL /* url */,
518                     bool /* is_transition_navigation */)
519 
520 // Sent when the renderer fails a provisional load with an error.
521 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidFailProvisionalLoadWithError,
522                     FrameHostMsg_DidFailProvisionalLoadWithError_Params)
523 
524 // Notifies the browser that a frame in the view has changed. This message
525 // has a lot of parameters and is packed/unpacked by functions defined in
526 // render_messages.h.
527 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidCommitProvisionalLoad,
528                     FrameHostMsg_DidCommitProvisionalLoad_Params)
529 
530 // Notifies the browser that a document has been loaded.
531 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidFinishDocumentLoad)
532 
533 IPC_MESSAGE_ROUTED3(FrameHostMsg_DidFailLoadWithError,
534                     GURL /* validated_url */,
535                     int /* error_code */,
536                     base::string16 /* error_description */)
537 
538 // Sent when the renderer starts loading the page. |to_different_document| will
539 // be true unless the load is a fragment navigation, or triggered by
540 // history.pushState/replaceState.
541 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidStartLoading,
542                     bool /* to_different_document */)
543 
544 // Sent when the renderer is done loading a page.
545 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidStopLoading)
546 
547 // Sent when the renderer changed the progress of a load.
548 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeLoadProgress,
549                     double /* load_progress */)
550 
551 // Requests that the given URL be opened in the specified manner.
552 IPC_MESSAGE_ROUTED1(FrameHostMsg_OpenURL, FrameHostMsg_OpenURL_Params)
553 
554 // Notifies the browser that a frame finished loading.
555 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidFinishLoad,
556                     GURL /* validated_url */)
557 
558 // Sent when after the onload handler has been invoked for the document
559 // in this frame. Sent for top-level frames.
560 IPC_MESSAGE_ROUTED0(FrameHostMsg_DocumentOnLoadCompleted)
561 
562 // Notifies that the initial empty document of a view has been accessed.
563 // After this, it is no longer safe to show a pending navigation's URL without
564 // making a URL spoof possible.
565 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidAccessInitialDocument)
566 
567 // Sent when the frame sets its opener to null, disowning it for the lifetime of
568 // the window. Sent for top-level frames.
569 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidDisownOpener)
570 
571 // Notifies the browser that a page id was assigned.
572 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidAssignPageId,
573                     int32 /* page_id */)
574 
575 // Changes the title for the page in the UI when the page is navigated or the
576 // title changes. Sent for top-level frames.
577 IPC_MESSAGE_ROUTED3(FrameHostMsg_UpdateTitle,
578                     int32 /* page_id */,
579                     base::string16 /* title */,
580                     blink::WebTextDirection /* title direction */)
581 
582 // Change the encoding name of the page in UI when the page has detected
583 // proper encoding name. Sent for top-level frames.
584 IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateEncoding,
585                     std::string /* new encoding name */)
586 
587 // Following message is used to communicate the values received by the
588 // callback binding the JS to Cpp.
589 // An instance of browser that has an automation host listening to it can
590 // have a javascript send a native value (string, number, boolean) to the
591 // listener in Cpp. (DomAutomationController)
592 IPC_MESSAGE_ROUTED2(FrameHostMsg_DomOperationResponse,
593                     std::string  /* json_string */,
594                     int  /* automation_id */)
595 
596 // Sent to the browser when the renderer detects it is blocked on a pepper
597 // plugin message for too long. This is also sent when it becomes unhung
598 // (according to the value of is_hung). The browser can give the user the
599 // option of killing the plugin.
600 IPC_MESSAGE_ROUTED3(FrameHostMsg_PepperPluginHung,
601                     int /* plugin_child_id */,
602                     base::FilePath /* path */,
603                     bool /* is_hung */)
604 
605 // Sent by the renderer process to indicate that a plugin instance has crashed.
606 // Note: |plugin_pid| should not be trusted. The corresponding process has
607 // probably died. Moreover, the ID may have been reused by a new process. Any
608 // usage other than displaying it in a prompt to the user is very likely to be
609 // wrong.
610 IPC_MESSAGE_ROUTED2(FrameHostMsg_PluginCrashed,
611                     base::FilePath /* plugin_path */,
612                     base::ProcessId /* plugin_pid */)
613 
614 // Return information about a plugin for the given URL and MIME
615 // type. If there is no matching plugin, |found| is false.
616 // |actual_mime_type| is the actual mime type supported by the
617 // found plugin.
618 IPC_SYNC_MESSAGE_CONTROL4_3(FrameHostMsg_GetPluginInfo,
619                             int /* render_frame_id */,
620                             GURL /* url */,
621                             GURL /* page_url */,
622                             std::string /* mime_type */,
623                             bool /* found */,
624                             content::WebPluginInfo /* plugin info */,
625                             std::string /* actual_mime_type */)
626 
627 // A renderer sends this to the browser process when it wants to
628 // create a plugin.  The browser will create the plugin process if
629 // necessary, and will return a handle to the channel on success.
630 // On error an empty string is returned.
631 IPC_SYNC_MESSAGE_CONTROL4_2(FrameHostMsg_OpenChannelToPlugin,
632                             int /* render_frame_id */,
633                             GURL /* url */,
634                             GURL /* page_url */,
635                             std::string /* mime_type */,
636                             IPC::ChannelHandle /* channel_handle */,
637                             content::WebPluginInfo /* info */)
638 
639 // Acknowledge that we presented an ubercomp frame.
640 //
641 // See FrameMsg_CompositorFrameSwapped
642 IPC_MESSAGE_ROUTED1(FrameHostMsg_CompositorFrameSwappedACK,
643                     FrameHostMsg_CompositorFrameSwappedACK_Params /* params */)
644 
645 // Provides the result from handling BeforeUnload.  |proceed| matches the return
646 // value of the frame's beforeunload handler: true if the user decided to
647 // proceed with leaving the page.
648 IPC_MESSAGE_ROUTED3(FrameHostMsg_BeforeUnload_ACK,
649                     bool /* proceed */,
650                     base::TimeTicks /* before_unload_start_time */,
651                     base::TimeTicks /* before_unload_end_time */)
652 
653 // Indicates that the current frame has swapped out, after a SwapOut message.
654 IPC_MESSAGE_ROUTED0(FrameHostMsg_SwapOut_ACK)
655 
656 IPC_MESSAGE_ROUTED1(FrameHostMsg_ReclaimCompositorResources,
657                     FrameHostMsg_ReclaimCompositorResources_Params /* params */)
658 
659 // Forwards an input event to a child.
660 // TODO(nick): Temporary bridge, revisit once the browser process can route
661 // input directly to subframes. http://crbug.com/339659
662 IPC_MESSAGE_ROUTED1(FrameHostMsg_ForwardInputEvent,
663                     IPC::WebInputEventPointer /* event */)
664 
665 // Used to tell the parent that the user right clicked on an area of the
666 // content area, and a context menu should be shown for it. The params
667 // object contains information about the node(s) that were selected when the
668 // user right clicked.
669 IPC_MESSAGE_ROUTED1(FrameHostMsg_ContextMenu, content::ContextMenuParams)
670 
671 // Initial drawing parameters for a child frame that has been swapped out to
672 // another process.
673 IPC_MESSAGE_ROUTED2(FrameHostMsg_InitializeChildFrame,
674                     gfx::Rect /* frame_rect */,
675                     float /* scale_factor */)
676 
677 // Response for FrameMsg_JavaScriptExecuteRequest, sent when a reply was
678 // requested. The ID is the parameter supplied to
679 // FrameMsg_JavaScriptExecuteRequest. The result has the value returned by the
680 // script as its only element, one of Null, Boolean, Integer, Real, Date, or
681 // String.
682 IPC_MESSAGE_ROUTED2(FrameHostMsg_JavaScriptExecuteResponse,
683                     int  /* id */,
684                     base::ListValue  /* result */)
685 
686 // A request to run a JavaScript dialog.
687 IPC_SYNC_MESSAGE_ROUTED4_2(FrameHostMsg_RunJavaScriptMessage,
688                            base::string16     /* in - alert message */,
689                            base::string16     /* in - default prompt */,
690                            GURL               /* in - originating page URL */,
691                            content::JavaScriptMessageType /* in - type */,
692                            bool               /* out - success */,
693                            base::string16     /* out - user_input field */)
694 
695 // Displays a dialog to confirm that the user wants to navigate away from the
696 // page. Replies true if yes, and false otherwise. The reply string is ignored,
697 // but is included so that we can use OnJavaScriptMessageBoxClosed.
698 IPC_SYNC_MESSAGE_ROUTED3_2(FrameHostMsg_RunBeforeUnloadConfirm,
699                            GURL,           /* in - originating frame URL */
700                            base::string16  /* in - alert message */,
701                            bool            /* in - is a reload */,
702                            bool            /* out - success */,
703                            base::string16  /* out - This is ignored.*/)
704 
705 // Asks the browser to open the color chooser.
706 IPC_MESSAGE_ROUTED3(FrameHostMsg_OpenColorChooser,
707                     int /* id */,
708                     SkColor /* color */,
709                     std::vector<content::ColorSuggestion> /* suggestions */)
710 
711 // Asks the browser to end the color chooser.
712 IPC_MESSAGE_ROUTED1(FrameHostMsg_EndColorChooser, int /* id */)
713 
714 // Change the selected color in the color chooser.
715 IPC_MESSAGE_ROUTED2(FrameHostMsg_SetSelectedColorInColorChooser,
716                     int /* id */,
717                     SkColor /* color */)
718 
719 // Notifies the browser that media has started/stopped playing.
720 IPC_MESSAGE_ROUTED4(FrameHostMsg_MediaPlayingNotification,
721                     int64 /* player_cookie, distinguishes instances */,
722                     bool /* has_video */,
723                     bool /* has_audio */,
724                     bool /* is_remote */)
725 
726 IPC_MESSAGE_ROUTED1(FrameHostMsg_MediaPausedNotification,
727                     int64 /* player_cookie, distinguishes instances */)
728 
729 // Notify browser the theme color has been changed.
730 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeThemeColor,
731                     SkColor /* theme_color */)
732 
733 // Response for FrameMsg_TextSurroundingSelectionRequest, |startOffset| and
734 // |endOffset| are the offsets of the selection in the returned |content|.
735 IPC_MESSAGE_ROUTED3(FrameHostMsg_TextSurroundingSelectionResponse,
736                     base::string16,  /* content */
737                     size_t, /* startOffset */
738                     size_t /* endOffset */)
739 
740 // Notifies the browser that the renderer has a pending navigation transition.
741 // The string parameters are all UTF8.
742 IPC_MESSAGE_CONTROL4(FrameHostMsg_AddNavigationTransitionData,
743                      int /* render_frame_id */,
744                      std::string  /* allowed_destination_host_pattern */,
745                      std::string  /* selector */,
746                      std::string  /* markup */)
747 
748 // Tells the browser to perform a navigation.
749 IPC_MESSAGE_ROUTED1(FrameHostMsg_BeginNavigation,
750                     FrameHostMsg_BeginNavigation_Params)
751 
752 // Sent once a paint happens after the first non empty layout. In other words
753 // after the frame has painted something.
754 IPC_MESSAGE_ROUTED0(FrameHostMsg_DidFirstVisuallyNonEmptyPaint)
755 
756 #if defined(OS_MACOSX) || defined(OS_ANDROID)
757 
758 // Message to show/hide a popup menu using native controls.
759 IPC_MESSAGE_ROUTED1(FrameHostMsg_ShowPopup,
760                     FrameHostMsg_ShowPopup_Params)
761 IPC_MESSAGE_ROUTED0(FrameHostMsg_HidePopup)
762 
763 #endif
764