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