content/common/view_messages.h

   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.
   4
   5 // IPC messages for page rendering.
   6 // Multiply-included message file, hence no include guard.
   7
   8 #include "base/memory/shared_memory.h"
   9 #include "base/process/process.h"
  10 #include "base/strings/string16.h"
  11 #include "cc/output/begin_frame_args.h"
  12 #include "cc/output/compositor_frame.h"
  13 #include "cc/output/compositor_frame_ack.h"
  14 #include "content/common/content_export.h"
  15 #include "content/common/content_param_traits.h"
  16 #include "content/common/cookie_data.h"
  17 #include "content/common/navigation_gesture.h"
  18 #include "content/common/pepper_renderer_instance_data.h"
  19 #include "content/common/view_message_enums.h"
  20 #include "content/common/webplugin_geometry.h"
  21 #include "content/public/common/common_param_traits.h"
  22 #include "content/public/common/favicon_url.h"
  23 #include "content/public/common/file_chooser_params.h"
  24 #include "content/public/common/menu_item.h"
  25 #include "content/public/common/page_state.h"
  26 #include "content/public/common/page_zoom.h"
  27 #include "content/public/common/referrer.h"
  28 #include "content/public/common/renderer_preferences.h"
  29 #include "content/public/common/stop_find_action.h"
  30 #include "content/public/common/three_d_api_types.h"
  31 #include "content/public/common/window_container_type.h"
  32 #include "content/common/date_time_suggestion.h"
  33 #include "ipc/ipc_channel_handle.h"
  34 #include "ipc/ipc_message_macros.h"
  35 #include "ipc/ipc_platform_file.h"
  36 #include "media/audio/audio_parameters.h"
  37 #include "media/base/channel_layout.h"
  38 #include "media/base/media_log_event.h"
  39 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
  40 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  41 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  42 #include "third_party/WebKit/public/web/WebFindOptions.h"
  43 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
  44 #include "third_party/WebKit/public/web/WebPluginAction.h"
  45 #include "third_party/WebKit/public/web/WebPopupType.h"
  46 #include "third_party/WebKit/public/web/WebTextDirection.h"
  47 #include "third_party/skia/include/core/SkBitmap.h"
  48 #include "ui/base/ime/text_input_mode.h"
  49 #include "ui/base/ime/text_input_type.h"
  50 #include "ui/base/ui_base_types.h"
  51 #include "ui/gfx/point.h"
  52 #include "ui/gfx/range/range.h"
  53 #include "ui/gfx/rect.h"
  54 #include "ui/gfx/rect_f.h"
  55 #include "ui/gfx/vector2d.h"
  56 #include "ui/gfx/vector2d_f.h"
  57 #include "ui/shell_dialogs/selected_file_info.h"
  58
  59 #if defined(OS_MACOSX)
  60 #include "content/common/mac/font_descriptor.h"
  61 #include "third_party/WebKit/public/web/mac/WebScrollbarTheme.h"
  62 #endif
  63
  64 #undef IPC_MESSAGE_EXPORT
  65 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  66
  67 #define IPC_MESSAGE_START ViewMsgStart
  68
  69 IPC_ENUM_TRAITS(AccessibilityMode)
  70 IPC_ENUM_TRAITS(blink::WebMediaPlayerAction::Type)
  71 IPC_ENUM_TRAITS(blink::WebPluginAction::Type)
  72 IPC_ENUM_TRAITS(blink::WebPopupType)
  73 IPC_ENUM_TRAITS(blink::WebTextDirection)
  74 IPC_ENUM_TRAITS(WindowContainerType)
  75 IPC_ENUM_TRAITS(content::FaviconURL::IconType)
  76 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
  77 IPC_ENUM_TRAITS(content::MenuItem::Type)
  78 IPC_ENUM_TRAITS(content::NavigationGesture)
  79 IPC_ENUM_TRAITS(content::PageZoom)
  80 IPC_ENUM_TRAITS(content::RendererPreferencesHintingEnum)
  81 IPC_ENUM_TRAITS(content::RendererPreferencesSubpixelRenderingEnum)
  82 IPC_ENUM_TRAITS_MAX_VALUE(content::TapMultipleTargetsStrategy,
  83                           content::TAP_MULTIPLE_TARGETS_STRATEGY_MAX)
  84 IPC_ENUM_TRAITS(content::StopFindAction)
  85 IPC_ENUM_TRAITS(content::ThreeDAPIType)
  86 IPC_ENUM_TRAITS(media::ChannelLayout)
  87 IPC_ENUM_TRAITS(media::MediaLogEvent::Type)
  88 IPC_ENUM_TRAITS_MAX_VALUE(ui::TextInputMode, ui::TEXT_INPUT_MODE_MAX)
  89 IPC_ENUM_TRAITS(ui::TextInputType)
  90
  91 #if defined(OS_MACOSX)
  92 IPC_STRUCT_TRAITS_BEGIN(FontDescriptor)
  93   IPC_STRUCT_TRAITS_MEMBER(font_name)
  94   IPC_STRUCT_TRAITS_MEMBER(font_point_size)
  95 IPC_STRUCT_TRAITS_END()
  96 #endif
  97
  98 IPC_STRUCT_TRAITS_BEGIN(blink::WebFindOptions)
  99   IPC_STRUCT_TRAITS_MEMBER(forward)
 100   IPC_STRUCT_TRAITS_MEMBER(matchCase)
 101   IPC_STRUCT_TRAITS_MEMBER(findNext)
 102 IPC_STRUCT_TRAITS_END()
 103
 104 IPC_STRUCT_TRAITS_BEGIN(blink::WebMediaPlayerAction)
 105   IPC_STRUCT_TRAITS_MEMBER(type)
 106   IPC_STRUCT_TRAITS_MEMBER(enable)
 107 IPC_STRUCT_TRAITS_END()
 108
 109 IPC_STRUCT_TRAITS_BEGIN(blink::WebPluginAction)
 110   IPC_STRUCT_TRAITS_MEMBER(type)
 111   IPC_STRUCT_TRAITS_MEMBER(enable)
 112 IPC_STRUCT_TRAITS_END()
 113
 114 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatPoint)
 115   IPC_STRUCT_TRAITS_MEMBER(x)
 116   IPC_STRUCT_TRAITS_MEMBER(y)
 117 IPC_STRUCT_TRAITS_END()
 118
 119 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatRect)
 120   IPC_STRUCT_TRAITS_MEMBER(x)
 121   IPC_STRUCT_TRAITS_MEMBER(y)
 122   IPC_STRUCT_TRAITS_MEMBER(width)
 123   IPC_STRUCT_TRAITS_MEMBER(height)
 124 IPC_STRUCT_TRAITS_END()
 125
 126 IPC_STRUCT_TRAITS_BEGIN(blink::WebScreenInfo)
 127   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 128   IPC_STRUCT_TRAITS_MEMBER(depth)
 129   IPC_STRUCT_TRAITS_MEMBER(depthPerComponent)
 130   IPC_STRUCT_TRAITS_MEMBER(isMonochrome)
 131   IPC_STRUCT_TRAITS_MEMBER(rect)
 132   IPC_STRUCT_TRAITS_MEMBER(availableRect)
 133   IPC_STRUCT_TRAITS_MEMBER(orientationType)
 134   IPC_STRUCT_TRAITS_MEMBER(orientationAngle)
 135 IPC_STRUCT_TRAITS_END()
 136
 137 IPC_STRUCT_TRAITS_BEGIN(content::MenuItem)
 138   IPC_STRUCT_TRAITS_MEMBER(label)
 139   IPC_STRUCT_TRAITS_MEMBER(tool_tip)
 140   IPC_STRUCT_TRAITS_MEMBER(type)
 141   IPC_STRUCT_TRAITS_MEMBER(action)
 142   IPC_STRUCT_TRAITS_MEMBER(rtl)
 143   IPC_STRUCT_TRAITS_MEMBER(has_directional_override)
 144   IPC_STRUCT_TRAITS_MEMBER(enabled)
 145   IPC_STRUCT_TRAITS_MEMBER(checked)
 146   IPC_STRUCT_TRAITS_MEMBER(submenu)
 147 IPC_STRUCT_TRAITS_END()
 148
 149 IPC_STRUCT_TRAITS_BEGIN(content::DateTimeSuggestion)
 150   IPC_STRUCT_TRAITS_MEMBER(value)
 151   IPC_STRUCT_TRAITS_MEMBER(localized_value)
 152   IPC_STRUCT_TRAITS_MEMBER(label)
 153 IPC_STRUCT_TRAITS_END()
 154
 155 IPC_STRUCT_TRAITS_BEGIN(content::FaviconURL)
 156   IPC_STRUCT_TRAITS_MEMBER(icon_url)
 157   IPC_STRUCT_TRAITS_MEMBER(icon_type)
 158   IPC_STRUCT_TRAITS_MEMBER(icon_sizes)
 159 IPC_STRUCT_TRAITS_END()
 160
 161 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserParams)
 162   IPC_STRUCT_TRAITS_MEMBER(mode)
 163   IPC_STRUCT_TRAITS_MEMBER(title)
 164   IPC_STRUCT_TRAITS_MEMBER(default_file_name)
 165   IPC_STRUCT_TRAITS_MEMBER(accept_types)
 166 #if defined(OS_ANDROID)
 167   IPC_STRUCT_TRAITS_MEMBER(capture)
 168 #endif
 169 IPC_STRUCT_TRAITS_END()
 170
 171 IPC_STRUCT_TRAITS_BEGIN(content::PepperRendererInstanceData)
 172   IPC_STRUCT_TRAITS_MEMBER(render_process_id)
 173   IPC_STRUCT_TRAITS_MEMBER(render_frame_id)
 174   IPC_STRUCT_TRAITS_MEMBER(document_url)
 175   IPC_STRUCT_TRAITS_MEMBER(plugin_url)
 176 IPC_STRUCT_TRAITS_END()
 177
 178 IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
 179   IPC_STRUCT_TRAITS_MEMBER(can_accept_load_drops)
 180   IPC_STRUCT_TRAITS_MEMBER(should_antialias_text)
 181   IPC_STRUCT_TRAITS_MEMBER(hinting)
 182   IPC_STRUCT_TRAITS_MEMBER(use_autohinter)
 183   IPC_STRUCT_TRAITS_MEMBER(use_bitmaps)
 184   IPC_STRUCT_TRAITS_MEMBER(subpixel_rendering)
 185   IPC_STRUCT_TRAITS_MEMBER(use_subpixel_positioning)
 186   IPC_STRUCT_TRAITS_MEMBER(focus_ring_color)
 187   IPC_STRUCT_TRAITS_MEMBER(thumb_active_color)
 188   IPC_STRUCT_TRAITS_MEMBER(thumb_inactive_color)
 189   IPC_STRUCT_TRAITS_MEMBER(track_color)
 190   IPC_STRUCT_TRAITS_MEMBER(active_selection_bg_color)
 191   IPC_STRUCT_TRAITS_MEMBER(active_selection_fg_color)
 192   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_bg_color)
 193   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_fg_color)
 194   IPC_STRUCT_TRAITS_MEMBER(browser_handles_non_local_top_level_requests)
 195   IPC_STRUCT_TRAITS_MEMBER(browser_handles_all_top_level_requests)
 196   IPC_STRUCT_TRAITS_MEMBER(caret_blink_interval)
 197   IPC_STRUCT_TRAITS_MEMBER(use_custom_colors)
 198   IPC_STRUCT_TRAITS_MEMBER(enable_referrers)
 199   IPC_STRUCT_TRAITS_MEMBER(enable_do_not_track)
 200   IPC_STRUCT_TRAITS_MEMBER(default_zoom_level)
 201   IPC_STRUCT_TRAITS_MEMBER(user_agent_override)
 202   IPC_STRUCT_TRAITS_MEMBER(accept_languages)
 203   IPC_STRUCT_TRAITS_MEMBER(report_frame_name_changes)
 204   IPC_STRUCT_TRAITS_MEMBER(touchpad_fling_profile)
 205   IPC_STRUCT_TRAITS_MEMBER(touchscreen_fling_profile)
 206   IPC_STRUCT_TRAITS_MEMBER(tap_multiple_targets_strategy)
 207   IPC_STRUCT_TRAITS_MEMBER(disable_client_blocked_error_page)
 208   IPC_STRUCT_TRAITS_MEMBER(plugin_fullscreen_allowed)
 209   IPC_STRUCT_TRAITS_MEMBER(use_video_overlay_for_embedded_encrypted_video)
 210 IPC_STRUCT_TRAITS_END()
 211
 212 IPC_STRUCT_TRAITS_BEGIN(content::CookieData)
 213   IPC_STRUCT_TRAITS_MEMBER(name)
 214   IPC_STRUCT_TRAITS_MEMBER(value)
 215   IPC_STRUCT_TRAITS_MEMBER(domain)
 216   IPC_STRUCT_TRAITS_MEMBER(path)
 217   IPC_STRUCT_TRAITS_MEMBER(expires)
 218   IPC_STRUCT_TRAITS_MEMBER(http_only)
 219   IPC_STRUCT_TRAITS_MEMBER(secure)
 220   IPC_STRUCT_TRAITS_MEMBER(session)
 221 IPC_STRUCT_TRAITS_END()
 222
 223 IPC_STRUCT_TRAITS_BEGIN(content::WebPluginGeometry)
 224   IPC_STRUCT_TRAITS_MEMBER(window)
 225   IPC_STRUCT_TRAITS_MEMBER(window_rect)
 226   IPC_STRUCT_TRAITS_MEMBER(clip_rect)
 227   IPC_STRUCT_TRAITS_MEMBER(cutout_rects)
 228   IPC_STRUCT_TRAITS_MEMBER(rects_valid)
 229   IPC_STRUCT_TRAITS_MEMBER(visible)
 230 IPC_STRUCT_TRAITS_END()
 231
 232 IPC_STRUCT_TRAITS_BEGIN(media::MediaLogEvent)
 233   IPC_STRUCT_TRAITS_MEMBER(id)
 234   IPC_STRUCT_TRAITS_MEMBER(type)
 235   IPC_STRUCT_TRAITS_MEMBER(params)
 236   IPC_STRUCT_TRAITS_MEMBER(time)
 237 IPC_STRUCT_TRAITS_END()
 238
 239 IPC_STRUCT_TRAITS_BEGIN(ui::SelectedFileInfo)
 240   IPC_STRUCT_TRAITS_MEMBER(file_path)
 241   IPC_STRUCT_TRAITS_MEMBER(local_path)
 242   IPC_STRUCT_TRAITS_MEMBER(display_name)
 243 IPC_STRUCT_TRAITS_END()
 244
 245 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWindow_Params)
 246   // Routing ID of the view initiating the open.
 247   IPC_STRUCT_MEMBER(int, opener_id)
 248
 249   // True if this open request came in the context of a user gesture.
 250   IPC_STRUCT_MEMBER(bool, user_gesture)
 251
 252   // Type of window requested.
 253   IPC_STRUCT_MEMBER(WindowContainerType, window_container_type)
 254
 255   // The session storage namespace ID this view should use.
 256   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 257
 258   // The name of the resulting frame that should be created (empty if none
 259   // has been specified).
 260   IPC_STRUCT_MEMBER(base::string16, frame_name)
 261
 262   // The routing id of the frame initiating the open.
 263   IPC_STRUCT_MEMBER(int, opener_render_frame_id)
 264
 265   // The URL of the frame initiating the open.
 266   IPC_STRUCT_MEMBER(GURL, opener_url)
 267
 268   // The URL of the top frame containing the opener.
 269   IPC_STRUCT_MEMBER(GURL, opener_top_level_frame_url)
 270
 271   // The security origin of the frame initiating the open.
 272   IPC_STRUCT_MEMBER(GURL, opener_security_origin)
 273
 274   // Whether the opener will be suppressed in the new window, in which case
 275   // scripting the new window is not allowed.
 276   IPC_STRUCT_MEMBER(bool, opener_suppressed)
 277
 278   // Whether the window should be opened in the foreground, background, etc.
 279   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
 280
 281   // The URL that will be loaded in the new window (empty if none has been
 282   // sepcified).
 283   IPC_STRUCT_MEMBER(GURL, target_url)
 284
 285   // The referrer that will be used to load |target_url| (empty if none has
 286   // been specified).
 287   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 288
 289   // The window features to use for the new view.
 290   IPC_STRUCT_MEMBER(blink::WebWindowFeatures, features)
 291
 292   // The additional window features to use for the new view. We pass these
 293   // separately from |features| above because we cannot serialize WebStrings
 294   // over IPC.
 295   IPC_STRUCT_MEMBER(std::vector<base::string16>, additional_features)
 296 IPC_STRUCT_END()
 297
 298 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWorker_Params)
 299   // URL for the worker script.
 300   IPC_STRUCT_MEMBER(GURL, url)
 301
 302   // Name for a SharedWorker, otherwise empty string.
 303   IPC_STRUCT_MEMBER(base::string16, name)
 304
 305   // Security policy used in the worker.
 306   IPC_STRUCT_MEMBER(base::string16, content_security_policy)
 307
 308   // Security policy type used in the worker.
 309   IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType, security_policy_type)
 310
 311   // The ID of the parent document (unique within parent renderer).
 312   IPC_STRUCT_MEMBER(unsigned long long, document_id)
 313
 314   // RenderFrame routing id used to send messages back to the parent.
 315   IPC_STRUCT_MEMBER(int, render_frame_route_id)
 316 IPC_STRUCT_END()
 317
 318 IPC_STRUCT_BEGIN(ViewHostMsg_DateTimeDialogValue_Params)
 319   IPC_STRUCT_MEMBER(ui::TextInputType, dialog_type)
 320   IPC_STRUCT_MEMBER(double, dialog_value)
 321   IPC_STRUCT_MEMBER(double, minimum)
 322   IPC_STRUCT_MEMBER(double, maximum)
 323   IPC_STRUCT_MEMBER(double, step)
 324   IPC_STRUCT_MEMBER(std::vector<content::DateTimeSuggestion>, suggestions)
 325 IPC_STRUCT_END()
 326
 327 IPC_STRUCT_BEGIN(ViewHostMsg_SelectionBounds_Params)
 328   IPC_STRUCT_MEMBER(gfx::Rect, anchor_rect)
 329   IPC_STRUCT_MEMBER(blink::WebTextDirection, anchor_dir)
 330   IPC_STRUCT_MEMBER(gfx::Rect, focus_rect)
 331   IPC_STRUCT_MEMBER(blink::WebTextDirection, focus_dir)
 332   IPC_STRUCT_MEMBER(bool, is_anchor_first)
 333 IPC_STRUCT_END()
 334
 335 // This message is used for supporting popup menus on Mac OS X using native
 336 // Cocoa controls. The renderer sends us this message which we use to populate
 337 // the popup menu.
 338 IPC_STRUCT_BEGIN(ViewHostMsg_ShowPopup_Params)
 339   // Position on the screen.
 340   IPC_STRUCT_MEMBER(gfx::Rect, bounds)
 341
 342   // The height of each item in the menu.
 343   IPC_STRUCT_MEMBER(int, item_height)
 344
 345   // The size of the font to use for those items.
 346   IPC_STRUCT_MEMBER(double, item_font_size)
 347
 348   // The currently selected (displayed) item in the menu.
 349   IPC_STRUCT_MEMBER(int, selected_item)
 350
 351   // The entire list of items in the popup menu.
 352   IPC_STRUCT_MEMBER(std::vector<content::MenuItem>, popup_items)
 353
 354   // Whether items should be right-aligned.
 355   IPC_STRUCT_MEMBER(bool, right_aligned)
 356
 357   // Whether this is a multi-select popup.
 358   IPC_STRUCT_MEMBER(bool, allow_multiple_selection)
 359 IPC_STRUCT_END()
 360
 361 IPC_STRUCT_BEGIN(ViewHostMsg_TextInputState_Params)
 362   // The type of input field
 363   IPC_STRUCT_MEMBER(ui::TextInputType, type)
 364
 365   // The value of the input field
 366   IPC_STRUCT_MEMBER(std::string, value)
 367
 368   // The cursor position of the current selection start, or the caret position
 369   // if nothing is selected
 370   IPC_STRUCT_MEMBER(int, selection_start)
 371
 372   // The cursor position of the current selection end, or the caret position
 373   // if nothing is selected
 374   IPC_STRUCT_MEMBER(int, selection_end)
 375
 376   // The start position of the current composition, or -1 if there is none
 377   IPC_STRUCT_MEMBER(int, composition_start)
 378
 379   // The end position of the current composition, or -1 if there is none
 380   IPC_STRUCT_MEMBER(int, composition_end)
 381
 382   // Whether or not inline composition can be performed for the current input.
 383   IPC_STRUCT_MEMBER(bool, can_compose_inline)
 384
 385   // Whether or not the IME should be shown as a result of this update. Even if
 386   // true, the IME will only be shown if the type is appropriate (e.g. not
 387   // TEXT_INPUT_TYPE_NONE).
 388   IPC_STRUCT_MEMBER(bool, show_ime_if_needed)
 389
 390   // Whether this change is originated from non-IME (e.g. Javascript, Autofill).
 391   IPC_STRUCT_MEMBER(bool, is_non_ime_change)
 392 IPC_STRUCT_END()
 393
 394 IPC_STRUCT_BEGIN(ViewHostMsg_UpdateRect_Params)
 395   // The scroll offset of the render view.
 396   IPC_STRUCT_MEMBER(gfx::Vector2d, scroll_offset)
 397
 398   // The size of the RenderView when this message was generated.  This is
 399   // included so the host knows how large the view is from the perspective of
 400   // the renderer process.  This is necessary in case a resize operation is in
 401   // progress. If auto-resize is enabled, this should update the corresponding
 402   // view size.
 403   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 404
 405   // New window locations for plugin child windows.
 406   IPC_STRUCT_MEMBER(std::vector<content::WebPluginGeometry>,
 407                     plugin_window_moves)
 408
 409   // The following describes the various bits that may be set in flags:
 410   //
 411   //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
 412   //     Indicates that this is a response to a ViewMsg_Resize message.
 413   //
 414   //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
 415   //     Indicates that this is a response to a ViewMsg_Repaint message.
 416   //
 417   // If flags is zero, then this message corresponds to an unsolicited paint
 418   // request by the render view.  Any of the above bits may be set in flags,
 419   // which would indicate that this paint message is an ACK for multiple
 420   // request messages.
 421   IPC_STRUCT_MEMBER(int, flags)
 422
 423   // All the above coordinates are in DIP. This is the scale factor needed
 424   // to convert them to pixels.
 425   IPC_STRUCT_MEMBER(float, scale_factor)
 426 IPC_STRUCT_END()
 427
 428 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
 429   // Renderer-wide preferences.
 430   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 431
 432   // Preferences for this view.
 433   IPC_STRUCT_MEMBER(WebPreferences, web_preferences)
 434
 435   // The ID of the view to be created.
 436   IPC_STRUCT_MEMBER(int32, view_id)
 437
 438   // The ID of the main frame hosted in the view.
 439   IPC_STRUCT_MEMBER(int32, main_frame_routing_id)
 440
 441   // The ID of the rendering surface.
 442   IPC_STRUCT_MEMBER(int32, surface_id)
 443
 444   // The session storage namespace ID this view should use.
 445   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 446
 447   // The name of the frame associated with this view (or empty if none).
 448   IPC_STRUCT_MEMBER(base::string16, frame_name)
 449
 450   // The route ID of the opener RenderView if we need to set one
 451   // (MSG_ROUTING_NONE otherwise).
 452   IPC_STRUCT_MEMBER(int, opener_route_id)
 453
 454   // Whether the RenderView should initially be swapped out.
 455   IPC_STRUCT_MEMBER(bool, swapped_out)
 456
 457   // The ID of the proxy object for the main frame in this view. It is only
 458   // used if |swapped_out| is true.
 459   IPC_STRUCT_MEMBER(int32, proxy_routing_id)
 460
 461   // Whether the RenderView should initially be hidden.
 462   IPC_STRUCT_MEMBER(bool, hidden)
 463
 464   // Whether the RenderView will never be visible.
 465   IPC_STRUCT_MEMBER(bool, never_visible)
 466
 467   // Whether the window associated with this view was created with an opener.
 468   IPC_STRUCT_MEMBER(bool, window_was_created_with_opener)
 469
 470   // The initial page ID to use for this view, which must be larger than any
 471   // existing navigation that might be loaded in the view.  Page IDs are unique
 472   // to a view and are only updated by the renderer after this initial value.
 473   IPC_STRUCT_MEMBER(int32, next_page_id)
 474
 475   // The properties of the screen associated with the view.
 476   IPC_STRUCT_MEMBER(blink::WebScreenInfo, screen_info)
 477
 478   // The accessibility mode of the renderer.
 479   IPC_STRUCT_MEMBER(AccessibilityMode, accessibility_mode)
 480 IPC_STRUCT_END()
 481
 482 IPC_STRUCT_BEGIN(ViewMsg_PostMessage_Params)
 483   // The serialized script value.
 484   IPC_STRUCT_MEMBER(base::string16, data)
 485
 486   // When sent to the browser, this is the routing ID of the source frame in
 487   // the source process.  The browser replaces it with the routing ID of the
 488   // equivalent (swapped out) frame in the destination process.
 489   IPC_STRUCT_MEMBER(int, source_routing_id)
 490
 491   // The origin of the source frame.
 492   IPC_STRUCT_MEMBER(base::string16, source_origin)
 493
 494   // The origin for the message's target.
 495   IPC_STRUCT_MEMBER(base::string16, target_origin)
 496
 497   // Information about the MessagePorts this message contains.
 498   IPC_STRUCT_MEMBER(std::vector<int>, message_port_ids)
 499   IPC_STRUCT_MEMBER(std::vector<int>, new_routing_ids)
 500 IPC_STRUCT_END()
 501
 502 // Messages sent from the browser to the renderer.
 503
 504 // Tells the renderer to cancel an opened date/time dialog.
 505 IPC_MESSAGE_ROUTED0(ViewMsg_CancelDateTimeDialog)
 506
 507 // Get all savable resource links from current webpage, include main
 508 // frame and sub-frame.
 509 IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
 510                     GURL /* url of page which is needed to save */)
 511
 512 // Get html data by serializing all frames of current page with lists
 513 // which contain all resource links that have local copy.
 514 IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
 515                     std::vector<GURL> /* urls that have local copy */,
 516                     std::vector<base::FilePath> /* paths of local copy */,
 517                     base::FilePath /* local directory path */)
 518
 519 // Tells the render side that a ViewHostMsg_LockMouse message has been
 520 // processed. |succeeded| indicates whether the mouse has been successfully
 521 // locked or not.
 522 IPC_MESSAGE_ROUTED1(ViewMsg_LockMouse_ACK,
 523                     bool /* succeeded */)
 524 // Tells the render side that the mouse has been unlocked.
 525 IPC_MESSAGE_ROUTED0(ViewMsg_MouseLockLost)
 526
 527 // Sent by the browser when the parameters for vsync alignment have changed.
 528 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateVSyncParameters,
 529                     base::TimeTicks /* timebase */,
 530                     base::TimeDelta /* interval */)
 531
 532 // Sent to the RenderView when a new tab is swapped into an existing
 533 // tab and the histories need to be merged. The existing tab has a history of
 534 // |merged_history_length| which precedes the history of the new tab. All
 535 // page_ids >= |minimum_page_id| in the new tab are appended to the history.
 536 //
 537 // For example, suppose the history of page_ids in the new tab's RenderView
 538 // is [4 7 8]. This is merged into an existing tab with 3 history items, and
 539 // all pages in the new tab with page_id >= 7 are to be preserved.
 540 // The resulting page history is [-1 -1 -1 7 8].
 541 IPC_MESSAGE_ROUTED2(ViewMsg_SetHistoryLengthAndPrune,
 542                     int, /* merge_history_length */
 543                     int32 /* minimum_page_id */)
 544
 545 // Tells the renderer to create a new view.
 546 // This message is slightly different, the view it takes (via
 547 // ViewMsg_New_Params) is the view to create, the message itself is sent as a
 548 // non-view control message.
 549 IPC_MESSAGE_CONTROL1(ViewMsg_New,
 550                      ViewMsg_New_Params)
 551
 552 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
 553 // similar to the new command, but used when the renderer created a view
 554 // first, and we need to update it.
 555 IPC_MESSAGE_ROUTED0(ViewMsg_CreatingNew_ACK)
 556
 557 // Sends updated preferences to the renderer.
 558 IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,
 559                     content::RendererPreferences)
 560
 561 // This passes a set of webkit preferences down to the renderer.
 562 IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences,
 563                     WebPreferences)
 564
 565 // Informs the renderer that the timezone has changed.
 566 IPC_MESSAGE_CONTROL0(ViewMsg_TimezoneChange)
 567
 568 // Tells the render view to close.
 569 IPC_MESSAGE_ROUTED0(ViewMsg_Close)
 570
 571 IPC_STRUCT_BEGIN(ViewMsg_Resize_Params)
 572   IPC_STRUCT_MEMBER(blink::WebScreenInfo, screen_info)
 573   IPC_STRUCT_MEMBER(gfx::Size, new_size)
 574   IPC_STRUCT_MEMBER(gfx::Size, physical_backing_size)
 575   IPC_STRUCT_MEMBER(float, overdraw_bottom_height)
 576   IPC_STRUCT_MEMBER(gfx::Size, visible_viewport_size)
 577   IPC_STRUCT_MEMBER(gfx::Rect, resizer_rect)
 578   IPC_STRUCT_MEMBER(bool, is_fullscreen)
 579 IPC_STRUCT_END()
 580
 581 // Tells the render view to change its size.  A ViewHostMsg_UpdateRect message
 582 // is generated in response provided new_size is not empty and not equal to
 583 // the view's current size.  The generated ViewHostMsg_UpdateRect message will
 584 // have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
 585 // we don't have to fetch it every time WebKit asks for it.
 586 IPC_MESSAGE_ROUTED1(ViewMsg_Resize,
 587                     ViewMsg_Resize_Params /* params */)
 588
 589 // Tells the render view that the resize rect has changed.
 590 IPC_MESSAGE_ROUTED1(ViewMsg_ChangeResizeRect,
 591                     gfx::Rect /* resizer_rect */)
 592
 593 // Sent to inform the view that it was hidden.  This allows it to reduce its
 594 // resource utilization.
 595 IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
 596
 597 // Tells the render view that it is no longer hidden (see WasHidden), and the
 598 // render view is expected to respond with a full repaint if needs_repainting
 599 // is true. If needs_repainting is false, then this message does not trigger a
 600 // message in response.
 601 IPC_MESSAGE_ROUTED1(ViewMsg_WasShown,
 602                     bool /* needs_repainting */)
 603
 604 // Sent to inform the view that it was swapped out.  This allows the process to
 605 // exit if no other views are using it.
 606 IPC_MESSAGE_ROUTED0(ViewMsg_WasSwappedOut)
 607
 608 // Tells the renderer to focus the first (last if reverse is true) focusable
 609 // node.
 610 IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus,
 611                     bool /* reverse */)
 612
 613 // Sent to inform the renderer to invoke a context menu.
 614 // The parameter specifies the location in the render view's coordinates.
 615 IPC_MESSAGE_ROUTED1(ViewMsg_ShowContextMenu,
 616                     gfx::Point /* location where menu should be shown */)
 617
 618 IPC_MESSAGE_ROUTED0(ViewMsg_Stop)
 619
 620 // Sent when the user wants to search for a word on the page (find in page).
 621 IPC_MESSAGE_ROUTED3(ViewMsg_Find,
 622                     int /* request_id */,
 623                     base::string16 /* search_text */,
 624                     blink::WebFindOptions)
 625
 626 // This message notifies the renderer that the user has closed the FindInPage
 627 // window (and what action to take regarding the selection).
 628 IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
 629                     content::StopFindAction /* action */)
 630
 631 // Replaces a date time input field.
 632 IPC_MESSAGE_ROUTED1(ViewMsg_ReplaceDateTime,
 633                     double /* dialog_value */)
 634
 635 // Copies the image at location x, y to the clipboard (if there indeed is an
 636 // image at that location).
 637 IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
 638                     int /* x */,
 639                     int /* y */)
 640
 641 // Saves the image at location x, y to the disk (if there indeed is an
 642 // image at that location).
 643 IPC_MESSAGE_ROUTED2(ViewMsg_SaveImageAt,
 644                     int /* x */,
 645                     int /* y */)
 646
 647 // Tells the renderer to perform the given action on the media player
 648 // located at the given point.
 649 IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
 650                     gfx::Point, /* location */
 651                     blink::WebMediaPlayerAction)
 652
 653 // Tells the renderer to perform the given action on the plugin located at
 654 // the given point.
 655 IPC_MESSAGE_ROUTED2(ViewMsg_PluginActionAt,
 656                     gfx::Point, /* location */
 657                     blink::WebPluginAction)
 658
 659 // Posts a message from a frame in another process to the current renderer.
 660 IPC_MESSAGE_ROUTED1(ViewMsg_PostMessageEvent,
 661                     ViewMsg_PostMessage_Params)
 662
 663 // Requests that the RenderView's main frame sets its opener to null.
 664 IPC_MESSAGE_ROUTED0(ViewMsg_DisownOpener)
 665
 666 // Change the zoom level for the current main frame.  If the level actually
 667 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
 668 // telling it what url got zoomed and what its current zoom level is.
 669 IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
 670                     content::PageZoom /* function */)
 671
 672 // Set the zoom level for the current main frame.  If the level actually
 673 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
 674 // telling it what url got zoomed and what its current zoom level is.
 675 IPC_MESSAGE_ROUTED1(ViewMsg_SetZoomLevel,
 676                     double /* zoom_level */)
 677
 678 // Set the zoom level for a particular url that the renderer is in the
 679 // process of loading.  This will be stored, to be used if the load commits
 680 // and ignored otherwise.
 681 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
 682                     GURL /* url */,
 683                     double /* zoom_level */)
 684
 685 // Set the zoom level for a particular url, so all render views
 686 // displaying this url can update their zoom levels to match.
 687 // If scheme is empty, then only host is used for matching.
 688 IPC_MESSAGE_CONTROL3(ViewMsg_SetZoomLevelForCurrentURL,
 689                      std::string /* scheme */,
 690                      std::string /* host */,
 691                      double /* zoom_level */)
 692
 693 // Change encoding of page in the renderer.
 694 IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
 695                     std::string /*new encoding name*/)
 696
 697 // Reset encoding of page in the renderer back to default.
 698 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
 699
 700 // Used to tell a render view whether it should expose various bindings
 701 // that allow JS content extended privileges.  See BindingsPolicy for valid
 702 // flag values.
 703 IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
 704                     int /* enabled_bindings_flags */)
 705
 706 // Tell the renderer to add a property to the WebUI binding object.  This
 707 // only works if we allowed WebUI bindings.
 708 IPC_MESSAGE_ROUTED2(ViewMsg_SetWebUIProperty,
 709                     std::string /* property_name */,
 710                     std::string /* property_value_json */)
 711
 712 // This message starts/stop monitoring the input method status of the focused
 713 // edit control of a renderer process.
 714 // Parameters
 715 // * is_active (bool)
 716 //   Indicates if an input method is active in the browser process.
 717 //   The possible actions when a renderer process receives this message are
 718 //   listed below:
 719 //     Value Action
 720 //     true  Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
 721 //           to notify the input method status of the focused edit control.
 722 //     false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
 723 IPC_MESSAGE_ROUTED1(ViewMsg_SetInputMethodActive,
 724                     bool /* is_active */)
 725
 726 // IME API oncandidatewindow* events for InputMethodContext.
 727 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowShown)
 728 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowUpdated)
 729 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowHidden)
 730
 731 // This message sends a string being composed with an input method.
 732 IPC_MESSAGE_ROUTED4(
 733     ViewMsg_ImeSetComposition,
 734     base::string16, /* text */
 735     std::vector<blink::WebCompositionUnderline>, /* underlines */
 736     int, /* selectiont_start */
 737     int /* selection_end */)
 738
 739 // This message confirms an ongoing composition.
 740 IPC_MESSAGE_ROUTED3(ViewMsg_ImeConfirmComposition,
 741                     base::string16 /* text */,
 742                     gfx::Range /* replacement_range */,
 743                     bool /* keep_selection */)
 744
 745 // Used to notify the render-view that we have received a target URL. Used
 746 // to prevent target URLs spamming the browser.
 747 IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
 748
 749 IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
 750                     std::vector<ui::SelectedFileInfo>)
 751
 752 // Provides the results of directory enumeration.
 753 IPC_MESSAGE_ROUTED2(ViewMsg_EnumerateDirectoryResponse,
 754                     int /* request_id */,
 755                     std::vector<base::FilePath> /* files_in_directory */)
 756
 757 // When a renderer sends a ViewHostMsg_Focus to the browser process,
 758 // the browser has the option of sending a ViewMsg_CantFocus back to
 759 // the renderer.
 760 IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
 761
 762 // Tells the renderer to suppress any further modal dialogs until it receives a
 763 // corresponding ViewMsg_SwapOut message.  This ensures that no
 764 // PageGroupLoadDeferrer is on the stack for SwapOut.
 765 IPC_MESSAGE_ROUTED0(ViewMsg_SuppressDialogsUntilSwapOut)
 766
 767 // Instructs the renderer to close the current page, including running the
 768 // onunload event handler.
 769 //
 770 // Expects a ClosePage_ACK message when finished.
 771 IPC_MESSAGE_ROUTED0(ViewMsg_ClosePage)
 772
 773 // Notifies the renderer about ui theme changes
 774 IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
 775
 776 // Notifies the renderer that a paint is to be generated for the rectangle
 777 // passed in.
 778 IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
 779                     gfx::Size /* The view size to be repainted */)
 780
 781 // Notification that a move or resize renderer's containing window has
 782 // started.
 783 IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
 784
 785 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateScreenRects,
 786                     gfx::Rect /* view_screen_rect */,
 787                     gfx::Rect /* window_screen_rect */)
 788
 789 // Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
 790 // ViewHostMsg_ShowWidget to inform the renderer that the browser has
 791 // processed the move.  The browser may have ignored the move, but it finished
 792 // processing.  This is used because the renderer keeps a temporary cache of
 793 // the widget position while these asynchronous operations are in progress.
 794 IPC_MESSAGE_ROUTED0(ViewMsg_Move_ACK)
 795
 796 // Used to instruct the RenderView to send back updates to the preferred size.
 797 IPC_MESSAGE_ROUTED0(ViewMsg_EnablePreferredSizeChangedMode)
 798
 799 // Used to instruct the RenderView to automatically resize and send back
 800 // updates for the new size.
 801 IPC_MESSAGE_ROUTED2(ViewMsg_EnableAutoResize,
 802                     gfx::Size /* min_size */,
 803                     gfx::Size /* max_size */)
 804
 805 // Used to instruct the RenderView to disalbe automatically resize.
 806 IPC_MESSAGE_ROUTED1(ViewMsg_DisableAutoResize,
 807                     gfx::Size /* new_size */)
 808
 809 // Changes the text direction of the currently selected input field (if any).
 810 IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
 811                     blink::WebTextDirection /* direction */)
 812
 813 // Tells the renderer to clear the focused element (if any).
 814 IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedElement)
 815
 816 // Make the RenderView background transparent or opaque.
 817 IPC_MESSAGE_ROUTED1(ViewMsg_SetBackgroundOpaque, bool /* opaque */)
 818
 819 // Used to tell the renderer not to add scrollbars with height and
 820 // width below a threshold.
 821 IPC_MESSAGE_ROUTED1(ViewMsg_DisableScrollbarsForSmallWindows,
 822                     gfx::Size /* disable_scrollbar_size_limit */)
 823
 824 // Activate/deactivate the RenderView (i.e., set its controls' tint
 825 // accordingly, etc.).
 826 IPC_MESSAGE_ROUTED1(ViewMsg_SetActive,
 827                     bool /* active */)
 828
 829 // Response message to ViewHostMsg_CreateWorker.
 830 // Sent when the worker has started.
 831 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 832
 833 // Sent when the worker failed to load the worker script.
 834 // In normal cases, this message is sent after ViewMsg_WorkerCreated is sent.
 835 // But if the shared worker of the same URL already exists and it has failed
 836 // to load the script, when the renderer send ViewHostMsg_CreateWorker before
 837 // the shared worker is killed only ViewMsg_WorkerScriptLoadFailed is sent.
 838 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerScriptLoadFailed)
 839
 840 // Sent when the worker has connected.
 841 // This message is sent only if the worker successfully loaded the script.
 842 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerConnected)
 843
 844 // Tells the renderer that the network state has changed and that
 845 // window.navigator.onLine should be updated for all WebViews.
 846 IPC_MESSAGE_CONTROL1(ViewMsg_NetworkStateChanged,
 847                      bool /* online */)
 848
 849 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 850 // Tells the renderer that the channel to the broker has been created.
 851 IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerChannelCreated,
 852                     base::ProcessId /* broker_pid */,
 853                     IPC::ChannelHandle /* handle */)
 854
 855 // Reply to ViewHostMsg_RequestPpapiBrokerPermission.
 856 // Tells the renderer whether permission to access to PPAPI broker was granted
 857 // or not.
 858 IPC_MESSAGE_ROUTED1(ViewMsg_PpapiBrokerPermissionResult,
 859                     bool /* result */)
 860
 861 // Tells the renderer to empty its plugin list cache, optional reloading
 862 // pages containing plugins.
 863 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
 864                      bool /* reload_pages */)
 865
 866 // Used to instruct the RenderView to go into "view source" mode.
 867 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 868
 869 // Instructs the renderer to save the current page to MHTML.
 870 IPC_MESSAGE_ROUTED2(ViewMsg_SavePageAsMHTML,
 871                     int /* job_id */,
 872                     IPC::PlatformFileForTransit /* file handle */)
 873
 874 // Temporary message to diagnose an unexpected condition in WebContentsImpl.
 875 IPC_MESSAGE_CONTROL1(ViewMsg_TempCrashWithData,
 876                      GURL /* data */)
 877
 878 // Change the accessibility mode in the renderer process.
 879 IPC_MESSAGE_ROUTED1(ViewMsg_SetAccessibilityMode,
 880                     AccessibilityMode)
 881
 882 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
 883 // process to release the magnified image.
 884 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
 885                     cc::SharedBitmapId /* id */)
 886
 887 // Notifies the renderer that a snapshot has been retrieved.
 888 IPC_MESSAGE_ROUTED3(ViewMsg_WindowSnapshotCompleted,
 889                     int /* snapshot_id */,
 890                     gfx::Size /* size */,
 891                     std::vector<unsigned char> /* png */)
 892
 893 #if defined(OS_MACOSX)
 894 IPC_ENUM_TRAITS_MAX_VALUE(blink::ScrollerStyle, blink::ScrollerStyleOverlay);
 895
 896 // Notification of a change in scrollbar appearance and/or behavior.
 897 IPC_MESSAGE_CONTROL5(ViewMsg_UpdateScrollbarTheme,
 898                      float /* initial_button_delay */,
 899                      float /* autoscroll_button_delay */,
 900                      bool /* jump_on_track_click */,
 901                      blink::ScrollerStyle /* preferred_scroller_style */,
 902                      bool /* redraw */)
 903 #endif
 904
 905 #if defined(OS_ANDROID)
 906 // Tells the renderer to suspend/resume the webkit timers.
 907 IPC_MESSAGE_CONTROL1(ViewMsg_SetWebKitSharedTimersSuspended,
 908                      bool /* suspend */)
 909
 910 // Sent when the browser wants the bounding boxes of the current find matches.
 911 //
 912 // If match rects are already cached on the browser side, |current_version|
 913 // should be the version number from the ViewHostMsg_FindMatchRects_Reply
 914 // they came in, so the renderer can tell if it needs to send updated rects.
 915 // Otherwise just pass -1 to always receive the list of rects.
 916 //
 917 // There must be an active search string (it is probably most useful to call
 918 // this immediately after a ViewHostMsg_Find_Reply message arrives with
 919 // final_update set to true).
 920 IPC_MESSAGE_ROUTED1(ViewMsg_FindMatchRects,
 921                     int /* current_version */)
 922
 923 // External popup menus.
 924 IPC_MESSAGE_ROUTED2(ViewMsg_SelectPopupMenuItems,
 925                     bool /* user canceled the popup */,
 926                     std::vector<int> /* selected indices */)
 927
 928 // Notifies the renderer whether hiding/showing the top controls is enabled
 929 // and whether or not to animate to the proper state.
 930 IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
 931                     bool /* enable_hiding */,
 932                     bool /* enable_showing */,
 933                     bool /* animate */)
 934
 935 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 936
 937 // Sent by the browser when the renderer should generate a new frame.
 938 IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
 939                     cc::BeginFrameArgs /* args */)
 940
 941 // Sent by the browser when an IME update that requires acknowledgement has been
 942 // processed on the browser side.
 943 IPC_MESSAGE_ROUTED0(ViewMsg_ImeEventAck)
 944
 945 // Extracts the data at the given rect, returning it through the
 946 // ViewHostMsg_SmartClipDataExtracted IPC.
 947 IPC_MESSAGE_ROUTED1(ViewMsg_ExtractSmartClipData,
 948                     gfx::Rect /* rect */)
 949
 950 #elif defined(OS_MACOSX)
 951 // Let the RenderView know its window has changed visibility.
 952 IPC_MESSAGE_ROUTED1(ViewMsg_SetWindowVisibility,
 953                     bool /* visibile */)
 954
 955 // Let the RenderView know its window's frame has changed.
 956 IPC_MESSAGE_ROUTED2(ViewMsg_WindowFrameChanged,
 957                     gfx::Rect /* window frame */,
 958                     gfx::Rect /* content view frame */)
 959
 960 // Message sent from the browser to the renderer when the user starts or stops
 961 // resizing the view.
 962 IPC_MESSAGE_ROUTED1(ViewMsg_SetInLiveResize,
 963                     bool /* enable */)
 964
 965 // Tell the renderer that plugin IME has completed.
 966 IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionCompleted,
 967                     base::string16 /* text */,
 968                     int /* plugin_id */)
 969
 970 // External popup menus.
 971 IPC_MESSAGE_ROUTED1(ViewMsg_SelectPopupMenuItem,
 972                     int /* selected index, -1 means no selection */)
 973 #endif
 974
 975 // Sent by the browser as a reply to ViewHostMsg_SwapCompositorFrame.
 976 IPC_MESSAGE_ROUTED2(ViewMsg_SwapCompositorFrameAck,
 977                     uint32 /* output_surface_id */,
 978                     cc::CompositorFrameAck /* ack */)
 979
 980 // Sent by browser to tell renderer compositor that some resources that were
 981 // given to the browser in a swap are not being used anymore.
 982 IPC_MESSAGE_ROUTED2(ViewMsg_ReclaimCompositorResources,
 983                     uint32 /* output_surface_id */,
 984                     cc::CompositorFrameAck /* ack */)
 985
 986 IPC_MESSAGE_ROUTED0(ViewMsg_SelectWordAroundCaret)
 987
 988 // -----------------------------------------------------------------------------
 989 // Messages sent from the renderer to the browser.
 990
 991 // Sent by the renderer when it is creating a new window.  The browser creates
 992 // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
 993 // MSG_ROUTING_NONE, the view couldn't be created.
 994 IPC_SYNC_MESSAGE_CONTROL1_4(ViewHostMsg_CreateWindow,
 995                             ViewHostMsg_CreateWindow_Params,
 996                             int /* route_id */,
 997                             int /* main_frame_route_id */,
 998                             int32 /* surface_id */,
 999                             int64 /* cloned_session_storage_namespace_id */)
1000
1001 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
1002 // <select> dropdowns.  This message is sent to the WebContentsImpl that
1003 // contains the widget being created.
1004 IPC_SYNC_MESSAGE_CONTROL2_2(ViewHostMsg_CreateWidget,
1005                             int /* opener_id */,
1006                             blink::WebPopupType /* popup type */,
1007                             int /* route_id */,
1008                             int32 /* surface_id */)
1009
1010 // Similar to ViewHostMsg_CreateWidget except the widget is a full screen
1011 // window.
1012 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateFullscreenWidget,
1013                             int /* opener_id */,
1014                             int /* route_id */,
1015                             int32 /* surface_id */)
1016
1017 // Asks the browser for a unique routing ID.
1018 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GenerateRoutingID,
1019                             int /* routing_id */)
1020
1021 // Asks the browser for the default audio hardware configuration.
1022 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetAudioHardwareConfig,
1023                             media::AudioParameters /* input parameters */,
1024                             media::AudioParameters /* output parameters */)
1025
1026 // Asks the browser for CPU usage of the renderer process in percents.
1027 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetCPUUsage,
1028                             int /* CPU usage in percents */)
1029
1030 // Asks the browser for the renderer process memory size stats.
1031 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetProcessMemorySizes,
1032                             size_t /* private_bytes */,
1033                             size_t /* shared_bytes */)
1034
1035 // These three messages are sent to the parent RenderViewHost to display the
1036 // page/widget that was created by
1037 // CreateWindow/CreateWidget/CreateFullscreenWidget. routing_id
1038 // refers to the id that was returned from the Create message above.
1039 // The initial_position parameter is a rectangle in screen coordinates.
1040 //
1041 // FUTURE: there will probably be flags here to control if the result is
1042 // in a new window.
1043 IPC_MESSAGE_ROUTED4(ViewHostMsg_ShowView,
1044                     int /* route_id */,
1045                     WindowOpenDisposition /* disposition */,
1046                     gfx::Rect /* initial_pos */,
1047                     bool /* opened_by_user_gesture */)
1048
1049 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
1050                     int /* route_id */,
1051                     gfx::Rect /* initial_pos */)
1052
1053 // Message to show a full screen widget.
1054 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
1055                     int /* route_id */)
1056
1057 // This message is sent after ViewHostMsg_ShowView to cause the RenderView
1058 // to run in a modal fashion until it is closed.
1059 IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_RunModal,
1060                            int /* opener_id */)
1061
1062 // Indicates the renderer is ready in response to a ViewMsg_New or
1063 // a ViewMsg_CreatingNew_ACK.
1064 IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
1065
1066 // Indicates the renderer process is gone.  This actually is sent by the
1067 // browser process to itself, but keeps the interface cleaner.
1068 IPC_MESSAGE_ROUTED2(ViewHostMsg_RenderProcessGone,
1069                     int, /* this really is base::TerminationStatus */
1070                     int /* exit_code */)
1071
1072 // Sent by the renderer process to request that the browser close the view.
1073 // This corresponds to the window.close() API, and the browser may ignore
1074 // this message.  Otherwise, the browser will generates a ViewMsg_Close
1075 // message to close the view.
1076 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
1077
1078 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
1079 // throttle these messages.
1080 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
1081
1082 // Sent by the renderer process to request that the browser move the view.
1083 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
1084 // the browser may ignore this message.
1085 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
1086                     gfx::Rect /* position */)
1087
1088 #if defined(OS_MACOSX) || defined(OS_ANDROID)
1089 // Message to show/hide a popup menu using native controls.
1090 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowPopup,
1091                     ViewHostMsg_ShowPopup_Params)
1092 IPC_MESSAGE_ROUTED0(ViewHostMsg_HidePopup)
1093 #endif
1094
1095 // Result of string search in the page.
1096 // Response to ViewMsg_Find with the results of the requested find-in-page
1097 // search, the number of matches found and the selection rect (in screen
1098 // coordinates) for the string found. If |final_update| is false, it signals
1099 // that this is not the last Find_Reply message - more will be sent as the
1100 // scoping effort continues.
1101 IPC_MESSAGE_ROUTED5(ViewHostMsg_Find_Reply,
1102                     int /* request_id */,
1103                     int /* number of matches */,
1104                     gfx::Rect /* selection_rect */,
1105                     int /* active_match_ordinal */,
1106                     bool /* final_update */)
1107
1108 // Indicates that the current page has been closed, after a ClosePage
1109 // message.
1110 IPC_MESSAGE_ROUTED0(ViewHostMsg_ClosePage_ACK)
1111
1112 // Notifies the browser that we have session history information.
1113 // page_id: unique ID that allows us to distinguish between history entries.
1114 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
1115                     int32 /* page_id */,
1116                     content::PageState /* state */)
1117
1118 // Notifies the browser that we want to show a destination url for a potential
1119 // action (e.g. when the user is hovering over a link).
1120 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateTargetURL,
1121                     int32,
1122                     GURL)
1123
1124 // Sent when the document element is available for the top-level frame.  This
1125 // happens after the page starts loading, but before all resources are
1126 // finished.
1127 IPC_MESSAGE_ROUTED0(ViewHostMsg_DocumentAvailableInMainFrame)
1128
1129 // Sent when the renderer loads a resource from its memory cache.
1130 // The security info is non empty if the resource was originally loaded over
1131 // a secure connection.
1132 // Note: May only be sent once per URL per frame per committed load.
1133 IPC_MESSAGE_ROUTED5(ViewHostMsg_DidLoadResourceFromMemoryCache,
1134                     GURL /* url */,
1135                     std::string  /* security info */,
1136                     std::string  /* http method */,
1137                     std::string  /* mime type */,
1138                     ResourceType::Type /* resource type */)
1139
1140 // Sent when the renderer displays insecure content in a secure page.
1141 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDisplayInsecureContent)
1142
1143 // Sent when the renderer runs insecure content in a secure origin.
1144 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidRunInsecureContent,
1145                     std::string  /* security_origin */,
1146                     GURL         /* target URL */)
1147
1148 // Sent to update part of the view.  In response to this message, the host
1149 // generates a ViewMsg_UpdateRect_ACK message.
1150 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
1151                     ViewHostMsg_UpdateRect_Params)
1152
1153 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
1154 IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
1155
1156 // Message sent from renderer to the browser when focus changes inside the
1157 // webpage. The parameter says whether the newly focused element needs
1158 // keyboard input (true for textfields, text areas and content editable divs).
1159 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeChanged,
1160     bool /* is_editable_node */)
1161
1162 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
1163
1164 // Message sent from renderer requesting touch emulation using mouse.
1165 // Shift-scrolling should be converted to pinch, if |allow_pinch| is true.
1166 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTouchEventEmulationEnabled,
1167                     bool /* enabled */,
1168                     bool /* allow_pinch */)
1169
1170 // Used to set a cookie. The cookie is set asynchronously, but will be
1171 // available to a subsequent ViewHostMsg_GetCookies request.
1172 IPC_MESSAGE_CONTROL4(ViewHostMsg_SetCookie,
1173                      int /* render_frame_id */,
1174                      GURL /* url */,
1175                      GURL /* first_party_for_cookies */,
1176                      std::string /* cookie */)
1177
1178 // Used to get cookies for the given URL. This may block waiting for a
1179 // previous SetCookie message to be processed.
1180 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_GetCookies,
1181                             int /* render_frame_id */,
1182                             GURL /* url */,
1183                             GURL /* first_party_for_cookies */,
1184                             std::string /* cookies */)
1185
1186 // Used to get raw cookie information for the given URL. This may block
1187 // waiting for a previous SetCookie message to be processed.
1188 IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_GetRawCookies,
1189                             GURL /* url */,
1190                             GURL /* first_party_for_cookies */,
1191                             std::vector<content::CookieData>
1192                                 /* raw_cookies */)
1193
1194 // Used to delete cookie for the given URL and name
1195 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_DeleteCookie,
1196                             GURL /* url */,
1197                             std::string /* cookie_name */)
1198
1199 // Used to check if cookies are enabled for the given URL. This may block
1200 // waiting for a previous SetCookie message to be processed.
1201 IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_CookiesEnabled,
1202                             GURL /* url */,
1203                             GURL /* first_party_for_cookies */,
1204                             bool /* cookies_enabled */)
1205
1206 // Used to get the list of plugins
1207 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
1208     bool /* refresh*/,
1209     std::vector<content::WebPluginInfo> /* plugins */)
1210
1211 #if defined(OS_WIN)
1212 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowCreated,
1213                     gfx::NativeViewId /* dummy_activation_window */)
1214
1215 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
1216                     gfx::NativeViewId /* dummy_activation_window */)
1217
1218 // Asks the browser for the user's monitor profile.
1219 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetMonitorColorProfile,
1220                             std::vector<char> /* profile */)
1221 #endif
1222
1223 // Get the list of proxies to use for |url|, as a semicolon delimited list
1224 // of "<TYPE> <HOST>:<PORT>" | "DIRECT".
1225 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
1226                             GURL /* url */,
1227                             bool /* result */,
1228                             std::string /* proxy list */)
1229
1230 // A renderer sends this to the browser process when it wants to create a
1231 // worker.  The browser will create the worker process if necessary, and
1232 // will return the route id on success.  On error returns MSG_ROUTING_NONE.
1233 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
1234                             ViewHostMsg_CreateWorker_Params,
1235                             int /* route_id */)
1236
1237 // A renderer sends this to the browser process when a document has been
1238 // detached. The browser will use this to constrain the lifecycle of worker
1239 // processes (SharedWorkers are shut down when their last associated document
1240 // is detached).
1241 IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
1242                      uint64 /* document_id */)
1243
1244 // Wraps an IPC message that's destined to the worker on the renderer->browser
1245 // hop.
1246 IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
1247                      IPC::Message /* message */)
1248
1249 // Tells the browser that a specific Appcache manifest in the current page
1250 // was accessed.
1251 IPC_MESSAGE_ROUTED2(ViewHostMsg_AppCacheAccessed,
1252                     GURL /* manifest url */,
1253                     bool /* blocked by policy */)
1254
1255 // Initiates a download based on user actions like 'ALT+click'.
1256 IPC_MESSAGE_CONTROL5(ViewHostMsg_DownloadUrl,
1257                      int /* render_view_id */,
1258                      GURL /* url */,
1259                      content::Referrer /* referrer */,
1260                      base::string16 /* suggested_name */,
1261                      bool /* use prompt for save location */)
1262
1263 // Used to go to the session history entry at the given offset (ie, -1 will
1264 // return the "back" item).
1265 IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
1266                     int /* offset (from current) of history item to get */)
1267
1268 // Sent from an inactive renderer for the browser to route to the active
1269 // renderer, instructing it to close.
1270 IPC_MESSAGE_ROUTED0(ViewHostMsg_RouteCloseEvent)
1271
1272 // Sent to the browser from an inactive renderer to post a message to the
1273 // active renderer.
1274 IPC_MESSAGE_ROUTED1(ViewHostMsg_RouteMessageEvent,
1275                     ViewMsg_PostMessage_Params)
1276
1277 // Notifies that the preferred size of the content changed.
1278 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
1279                     gfx::Size /* pref_size */)
1280
1281 // Notifies that the scroll offset changed.
1282 // This is different from ViewHostMsg_UpdateRect in that ViewHostMsg_UpdateRect
1283 // is not sent at all when threaded compositing is enabled while
1284 // ViewHostMsg_DidChangeScrollOffset works properly in this case.
1285 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidChangeScrollOffset)
1286
1287 // Notifies that the pinned-to-side state of the content changed.
1288 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame,
1289                     bool /* pinned_to_left */,
1290                     bool /* pinned_to_right */)
1291
1292 // Notifies that the number of JavaScript scroll handlers changed.
1293 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeNumWheelEvents,
1294                     int /* count */)
1295
1296 // Notifies whether there are JavaScript touch event handlers or not.
1297 IPC_MESSAGE_ROUTED1(ViewHostMsg_HasTouchEventHandlers,
1298                     bool /* has_handlers */)
1299
1300 // A message from HTML-based UI.  When (trusted) Javascript calls
1301 // send(message, args), this message is sent to the browser.
1302 IPC_MESSAGE_ROUTED3(ViewHostMsg_WebUISend,
1303                     GURL /* source_url */,
1304                     std::string  /* message */,
1305                     base::ListValue /* args */)
1306
1307 // A renderer sends this to the browser process when it wants to create a ppapi
1308 // plugin.  The browser will create the plugin process if necessary, and will
1309 // return a handle to the channel on success.
1310 //
1311 // The plugin_child_id is the ChildProcessHost ID assigned in the browser
1312 // process. This ID is valid only in the context of the browser process and is
1313 // used to identify the proper process when the renderer notifies it that the
1314 // plugin is hung.
1315 //
1316 // On error an empty string and null handles are returned.
1317 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_OpenChannelToPepperPlugin,
1318                             base::FilePath /* path */,
1319                             IPC::ChannelHandle /* handle to channel */,
1320                             base::ProcessId /* plugin_pid */,
1321                             int /* plugin_child_id */)
1322
1323 // Notification that a plugin has created a new plugin instance. The parameters
1324 // indicate:
1325 // -The plugin process ID that we're creating the instance for.
1326 // -The instance ID of the instance being created.
1327 // -A PepperRendererInstanceData struct which contains properties from the
1328 // renderer which are associated with the plugin instance. This includes the
1329 // routing ID of the associated render view and the URL of plugin.
1330 // -Whether the plugin we're creating an instance for is external or internal.
1331 //
1332 // This message must be sync even though it returns no parameters to avoid
1333 // a race condition with the plugin process. The plugin process sends messages
1334 // to the browser that assume the browser knows about the instance. We need to
1335 // make sure that the browser actually knows about the instance before we tell
1336 // the plugin to run.
1337 IPC_SYNC_MESSAGE_CONTROL4_0(
1338     ViewHostMsg_DidCreateOutOfProcessPepperInstance,
1339     int /* plugin_child_id */,
1340     int32 /* pp_instance */,
1341     content::PepperRendererInstanceData /* creation_data */,
1342     bool /* is_external */)
1343
1344 // Notification that a plugin has destroyed an instance. This is the opposite of
1345 // the "DidCreate" message above.
1346 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
1347                      int /* plugin_child_id */,
1348                      int32 /* pp_instance */,
1349                      bool /* is_external */)
1350
1351 // Message from the renderer to the browser indicating the in-process instance
1352 // has been created.
1353 IPC_MESSAGE_CONTROL2(ViewHostMsg_DidCreateInProcessInstance,
1354                      int32 /* instance */,
1355                      content::PepperRendererInstanceData /* instance_data */)
1356
1357 // Message from the renderer to the browser indicating the in-process instance
1358 // has been destroyed.
1359 IPC_MESSAGE_CONTROL1(ViewHostMsg_DidDeleteInProcessInstance,
1360                      int32 /* instance */)
1361
1362 // A renderer sends this to the browser process when it wants to
1363 // create a ppapi broker.  The browser will create the broker process
1364 // if necessary, and will return a handle to the channel on success.
1365 // On error an empty string is returned.
1366 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
1367 IPC_MESSAGE_CONTROL2(ViewHostMsg_OpenChannelToPpapiBroker,
1368                      int /* routing_id */,
1369                      base::FilePath /* path */)
1370
1371 // A renderer sends this to the browser process when it wants to access a PPAPI
1372 // broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
1373 // for every connection.
1374 // The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
1375 IPC_MESSAGE_ROUTED3(ViewHostMsg_RequestPpapiBrokerPermission,
1376                     int /* routing_id */,
1377                     GURL /* document_url */,
1378                     base::FilePath /* plugin_path */)
1379
1380 // Send the tooltip text for the current mouse position to the browser.
1381 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
1382                     base::string16 /* tooltip text string */,
1383                     blink::WebTextDirection /* text direction hint */)
1384
1385 IPC_MESSAGE_ROUTED0(ViewHostMsg_SelectRange_ACK)
1386 IPC_MESSAGE_ROUTED0(ViewHostMsg_MoveCaret_ACK)
1387
1388 // Notification that the text selection has changed.
1389 // Note: The secound parameter is the character based offset of the
1390 // base::string16
1391 // text in the document.
1392 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
1393                     base::string16 /* text covers the selection range */,
1394                     size_t /* the offset of the text in the document */,
1395                     gfx::Range /* selection range in the document */)
1396
1397 // Notification that the selection bounds have changed.
1398 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
1399                     ViewHostMsg_SelectionBounds_Params)
1400
1401 #if defined(OS_ANDROID)
1402 // Notification that the selection root bounds have changed.
1403 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionRootBoundsChanged,
1404                     gfx::Rect /* bounds of the selection root */)
1405 #endif
1406
1407 // Asks the browser to display the file chooser.  The result is returned in a
1408 // ViewMsg_RunFileChooserResponse message.
1409 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
1410                     content::FileChooserParams)
1411
1412 // Asks the browser to enumerate a directory.  This is equivalent to running
1413 // the file chooser in directory-enumeration mode and having the user select
1414 // the given directory.  The result is returned in a
1415 // ViewMsg_EnumerateDirectoryResponse message.
1416 IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
1417                     int /* request_id */,
1418                     base::FilePath /* file_path */)
1419
1420 // Tells the browser to move the focus to the next (previous if reverse is
1421 // true) focusable element.
1422 IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus,
1423                     bool /* reverse */)
1424
1425 // Required for opening a date/time dialog
1426 IPC_MESSAGE_ROUTED1(ViewHostMsg_OpenDateTimeDialog,
1427                     ViewHostMsg_DateTimeDialogValue_Params /* value */)
1428
1429 IPC_MESSAGE_ROUTED3(ViewHostMsg_TextInputTypeChanged,
1430                     ui::TextInputType /* TextInputType of the focused node */,
1431                     ui::TextInputMode /* TextInputMode of the focused node */,
1432                     bool /* can_compose_inline in the focused node */)
1433
1434 // Required for updating text input state.
1435 IPC_MESSAGE_ROUTED1(ViewHostMsg_TextInputStateChanged,
1436                     ViewHostMsg_TextInputState_Params /* input state params */)
1437
1438 // Required for cancelling an ongoing input method composition.
1439 IPC_MESSAGE_ROUTED0(ViewHostMsg_ImeCancelComposition)
1440
1441 // Sent when the renderer changes the zoom level for a particular url, so the
1442 // browser can update its records.  If remember is true, then url is used to
1443 // update the zoom level for all pages in that site.  Otherwise, the render
1444 // view's id is used so that only the menu is updated.
1445 IPC_MESSAGE_ROUTED3(ViewHostMsg_DidZoomURL,
1446                     double /* zoom_level */,
1447                     bool /* remember */,
1448                     GURL /* url */)
1449
1450 // Updates the minimum/maximum allowed zoom percent for this tab from the
1451 // default values.  If |remember| is true, then the zoom setting is applied to
1452 // other pages in the site and is saved, otherwise it only applies to this
1453 // tab.
1454 IPC_MESSAGE_ROUTED3(ViewHostMsg_UpdateZoomLimits,
1455                     int /* minimum_percent */,
1456                     int /* maximum_percent */,
1457                     bool /* remember */)
1458
1459 // Notify the browser that this render process can or can't be suddenly
1460 // terminated.
1461 IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
1462                      bool /* enabled */)
1463
1464 IPC_STRUCT_BEGIN(ViewHostMsg_CompositorSurfaceBuffersSwapped_Params)
1465   IPC_STRUCT_MEMBER(int32, surface_id)
1466   IPC_STRUCT_MEMBER(uint64, surface_handle)
1467   IPC_STRUCT_MEMBER(int32, route_id)
1468   IPC_STRUCT_MEMBER(gfx::Size, size)
1469   IPC_STRUCT_MEMBER(float, scale_factor)
1470   IPC_STRUCT_MEMBER(int32, gpu_process_host_id)
1471   IPC_STRUCT_MEMBER(std::vector<ui::LatencyInfo>, latency_info)
1472 IPC_STRUCT_END()
1473
1474 // This message is synthesized by GpuProcessHost to pass through a swap message
1475 // to the RenderWidgetHelper. This allows GetBackingStore to block for either a
1476 // software or GPU frame.
1477 IPC_MESSAGE_ROUTED1(
1478     ViewHostMsg_CompositorSurfaceBuffersSwapped,
1479     ViewHostMsg_CompositorSurfaceBuffersSwapped_Params /* params */)
1480
1481 IPC_MESSAGE_ROUTED2(ViewHostMsg_SwapCompositorFrame,
1482                     uint32 /* output_surface_id */,
1483                     cc::CompositorFrame /* frame */)
1484
1485 // Sent by the compositor when a flinging animation is stopped.
1486 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopFlinging)
1487
1488 //---------------------------------------------------------------------------
1489 // Request for cryptographic operation messages:
1490 // These are messages from the renderer to the browser to perform a
1491 // cryptographic operation.
1492
1493 // Asks the browser process to generate a keypair for grabbing a client
1494 // certificate from a CA (<keygen> tag), and returns the signed public
1495 // key and challenge string.
1496 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
1497                             uint32 /* key size index */,
1498                             std::string /* challenge string */,
1499                             GURL /* URL of requestor */,
1500                             std::string /* signed public key and challenge */)
1501
1502 // Message sent from the renderer to the browser to request that the browser
1503 // cache |data| associated with |url|.
1504 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidGenerateCacheableMetadata,
1505                      GURL /* url */,
1506                      double /* expected_response_time */,
1507                      std::vector<char> /* data */)
1508
1509 // Register a new handler for URL requests with the given scheme.
1510 IPC_MESSAGE_ROUTED4(ViewHostMsg_RegisterProtocolHandler,
1511                     std::string /* scheme */,
1512                     GURL /* url */,
1513                     base::string16 /* title */,
1514                     bool /* user_gesture */)
1515
1516 // Stores new inspector setting in the profile.
1517 // TODO(jam): this should be in the chrome module
1518 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateInspectorSetting,
1519                     std::string,  /* key */
1520                     std::string /* value */)
1521
1522 // Puts the browser into "tab fullscreen" mode for the sending renderer.
1523 // See the comment in chrome/browser/ui/browser.h for more details.
1524 IPC_MESSAGE_ROUTED1(ViewHostMsg_ToggleFullscreen,
1525                     bool /* enter_fullscreen */)
1526
1527 // Send back a string to be recorded by UserMetrics.
1528 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
1529                      std::string /* action */)
1530
1531 // Notifies the browser that the page was or was not saved as MHTML.
1532 IPC_MESSAGE_CONTROL2(ViewHostMsg_SavedPageAsMHTML,
1533                      int /* job_id */,
1534                      int64 /* size of the MHTML file, -1 if error */)
1535
1536 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
1537                     std::vector<GURL> /* all savable resource links */,
1538                     std::vector<content::Referrer> /* all referrers */,
1539                     std::vector<GURL> /* all frame links */)
1540
1541 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
1542                     GURL /* frame's url */,
1543                     std::string /* data buffer */,
1544                     int32 /* complete status */)
1545
1546 // Notifies the browser of an event occurring in the media pipeline.
1547 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvents,
1548                      std::vector<media::MediaLogEvent> /* events */)
1549
1550 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
1551 // being sent back.
1552 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
1553 // pop up a bubble to ask for user permission or take mouse lock content into
1554 // account.
1555 IPC_MESSAGE_ROUTED3(ViewHostMsg_LockMouse,
1556                     bool /* user_gesture */,
1557                     bool /* last_unlocked_by_target */,
1558                     bool /* privileged */)
1559
1560 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
1561 // whenever the mouse is unlocked (which may or may not be caused by
1562 // ViewHostMsg_UnlockMouse).
1563 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
1564
1565 // Notifies that multiple touch targets may have been pressed, and to show
1566 // the disambiguation popup.
1567 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowDisambiguationPopup,
1568                     gfx::Rect, /* Border of touched targets */
1569                     gfx::Size, /* Size of zoomed image */
1570                     cc::SharedBitmapId /* id */)
1571
1572 // Sent by the renderer process to check whether client 3D APIs
1573 // (Pepper 3D, WebGL) are explicitly blocked.
1574 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Are3DAPIsBlocked,
1575                             int /* render_view_id */,
1576                             GURL /* top_origin_url */,
1577                             content::ThreeDAPIType /* requester */,
1578                             bool /* blocked */)
1579
1580 // Sent by the renderer process to indicate that a context was lost by
1581 // client 3D content (Pepper 3D, WebGL) running on the page at the
1582 // given URL.
1583 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidLose3DContext,
1584                      GURL /* top_origin_url */,
1585                      content::ThreeDAPIType /* context_type */,
1586                      int /* arb_robustness_status_code */)
1587
1588 // Notifies the browser that document has parsed the body. This is used by the
1589 // ResourceScheduler as an indication that bandwidth contention won't block
1590 // first paint.
1591 IPC_MESSAGE_ROUTED0(ViewHostMsg_WillInsertBody)
1592
1593 // Notification that the urls for the favicon of a site has been determined.
1594 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFaviconURL,
1595                     std::vector<content::FaviconURL> /* candidates */)
1596
1597 // Sent once a paint happens after the first non empty layout. In other words
1598 // after the page has painted something.
1599 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidFirstVisuallyNonEmptyPaint)
1600
1601 // Sent by the renderer to the browser to start a vibration with the given
1602 // duration.
1603 IPC_MESSAGE_CONTROL1(ViewHostMsg_Vibrate,
1604                      int64 /* milliseconds */)
1605
1606 // Sent by the renderer to the browser to cancel the currently running
1607 // vibration, if there is one.
1608 IPC_MESSAGE_CONTROL0(ViewHostMsg_CancelVibration)
1609
1610 // Message sent from renderer to the browser when the element that is focused
1611 // has been touched. A bool is passed in this message which indicates if the
1612 // node is editable.
1613 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeTouched,
1614                     bool /* editable */)
1615
1616 // Message sent from the renderer to the browser when an HTML form has failed
1617 // validation constraints.
1618 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowValidationMessage,
1619                     gfx::Rect /* anchor rectangle in root view coordinate */,
1620                     base::string16 /* validation message */,
1621                     base::string16 /* supplemental text */)
1622
1623 // Message sent from the renderer to the browser when a HTML form validation
1624 // message should be hidden from view.
1625 IPC_MESSAGE_ROUTED0(ViewHostMsg_HideValidationMessage)
1626
1627 // Message sent from the renderer to the browser when the suggested co-ordinates
1628 // of the anchor for a HTML form validation message have changed.
1629 IPC_MESSAGE_ROUTED1(ViewHostMsg_MoveValidationMessage,
1630                     gfx::Rect /* anchor rectangle in root view coordinate */)
1631
1632 #if defined(OS_ANDROID)
1633 // Response to ViewMsg_FindMatchRects.
1634 //
1635 // |version| will contain the current version number of the renderer's find
1636 // match list (incremented whenever they change), which should be passed in the
1637 // next call to ViewMsg_FindMatchRects.
1638 //
1639 // |rects| will either contain a list of the enclosing rects of all matches
1640 // found by the most recent Find operation, or will be empty if |version| is not
1641 // greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
1642 // your locally cached rects should still be valid). The rect coords will be
1643 // custom normalized fractions of the document size. The rects will be sorted by
1644 // frame traversal order starting in the main frame, then by dom order.
1645 //
1646 // |active_rect| will contain the bounding box of the active find-in-page match
1647 // marker, in similarly normalized coords (or an empty rect if there isn't one).
1648 IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
1649                     int /* version */,
1650                     std::vector<gfx::RectF> /* rects */,
1651                     gfx::RectF /* active_rect */)
1652
1653 // Start an android intent with the given URI.
1654 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
1655                     GURL /* content_url */)
1656
1657 // Message sent when the renderer changed the background color for the view.
1658 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeBodyBackgroundColor,
1659                     uint32  /* bg_color */)
1660
1661 // This message runs the MediaCodec for decoding audio for webaudio.
1662 IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
1663                      base::SharedMemoryHandle /* encoded_data_handle */,
1664                      base::FileDescriptor /* pcm_output */,
1665                      uint32_t /* data_size*/)
1666
1667 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
1668 // display events. If |enabled| is true, the BeginFrame message will continue
1669 // to be be delivered until the notification is disabled.
1670 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrame,
1671                     bool /* enabled */)
1672
1673 // Reply to the ViewMsg_ExtractSmartClipData message.
1674 // TODO(juhui24.lee@samsung.com): this should be changed to a vector of structs
1675 // instead of encoding the data as a string which is not allowed normally. Since
1676 // ths is only used in Android WebView, it's allowed temporarily.
1677 // http://crbug.com/330872
1678 IPC_MESSAGE_ROUTED1(ViewHostMsg_SmartClipDataExtracted, base::string16)
1679
1680 #elif defined(OS_MACOSX)
1681 // Request that the browser load a font into shared memory for us.
1682 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,
1683                            FontDescriptor /* font to load */,
1684                            uint32 /* buffer size */,
1685                            base::SharedMemoryHandle /* font data */,
1686                            uint32 /* font id */)
1687
1688 // Informs the browser that a plugin has gained or lost focus.
1689 IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
1690                     bool, /* focused */
1691                     int /* plugin_id */)
1692
1693 // Instructs the browser to start plugin IME.
1694 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
1695
1696 // Notifies that the scrollbars-visible state of the content changed.
1697 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidChangeScrollbarsForMainFrame,
1698                     bool /* has_horizontal_scrollbar */,
1699                     bool /* has_vertical_scrollbar */)
1700
1701 #elif defined(OS_WIN)
1702 // Request that the given font characters be loaded by the browser so it's
1703 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
1704 // for details.
1705 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
1706                             LOGFONT /* font_data */,
1707                             base::string16 /* characters */)
1708 #endif
1709
1710 #if defined(OS_POSIX)
1711 // On POSIX, we cannot allocated shared memory from within the sandbox, so
1712 // this call exists for the renderer to ask the browser to allocate memory
1713 // on its behalf. We return a file descriptor to the POSIX shared memory.
1714 // If the |cache_in_browser| flag is |true|, then a copy of the shmem is kept
1715 // by the browser, and it is the caller's repsonsibility to send a
1716 // ViewHostMsg_FreeTransportDIB message in order to release the cached shmem.
1717 // In all cases, the caller is responsible for deleting the resulting
1718 // TransportDIB.
1719 IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_AllocTransportDIB,
1720                             uint32_t, /* bytes requested */
1721                             bool, /* cache in the browser */
1722                             TransportDIB::Handle /* DIB */)
1723
1724 // Since the browser keeps handles to the allocated transport DIBs, this
1725 // message is sent to tell the browser that it may release them when the
1726 // renderer is finished with them.
1727 IPC_MESSAGE_CONTROL1(ViewHostMsg_FreeTransportDIB,
1728                      TransportDIB::Id /* DIB id */)
1729 #endif
1730
1731 #if defined(OS_MACOSX) || defined(USE_AURA)
1732 // On Mac and Aura IME can request composition character bounds
1733 // synchronously (see crbug.com/120597). This IPC message sends the character
1734 // bounds after every composition change to always have correct bound info.
1735 IPC_MESSAGE_ROUTED2(ViewHostMsg_ImeCompositionRangeChanged,
1736                     gfx::Range /* composition range */,
1737                     std::vector<gfx::Rect> /* character bounds */)
1738 #endif
1739
1740 // Adding a new message? Stick to the sort order above: first platform
1741 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
1742 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.