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/date_time_suggestion.h"
  18 #include "content/common/frame_replication_state.h"
  19 #include "content/common/navigation_gesture.h"
  20 #include "content/common/view_message_enums.h"
  21 #include "content/common/webplugin_geometry.h"
  22 #include "content/public/common/common_param_traits.h"
  23 #include "content/public/common/favicon_url.h"
  24 #include "content/public/common/file_chooser_file_info.h"
  25 #include "content/public/common/file_chooser_params.h"
  26 #include "content/public/common/menu_item.h"
  27 #include "content/public/common/page_state.h"
  28 #include "content/public/common/page_zoom.h"
  29 #include "content/public/common/referrer.h"
  30 #include "content/public/common/renderer_preferences.h"
  31 #include "content/public/common/stop_find_action.h"
  32 #include "content/public/common/three_d_api_types.h"
  33 #include "content/public/common/window_container_type.h"
  34 #include "ipc/ipc_channel_handle.h"
  35 #include "ipc/ipc_message_macros.h"
  36 #include "ipc/ipc_platform_file.h"
  37 #include "media/audio/audio_parameters.h"
  38 #include "media/base/channel_layout.h"
  39 #include "media/base/media_log_event.h"
  40 #include "net/base/network_change_notifier.h"
  41 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
  42 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  43 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  44 #include "third_party/WebKit/public/web/WebFindOptions.h"
  45 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
  46 #include "third_party/WebKit/public/web/WebPluginAction.h"
  47 #include "third_party/WebKit/public/web/WebPopupType.h"
  48 #include "third_party/WebKit/public/web/WebTextDirection.h"
  49 #include "third_party/skia/include/core/SkBitmap.h"
  50 #include "ui/base/ime/text_input_mode.h"
  51 #include "ui/base/ime/text_input_type.h"
  52 #include "ui/base/ui_base_types.h"
  53 #include "ui/gfx/geometry/point.h"
  54 #include "ui/gfx/geometry/rect.h"
  55 #include "ui/gfx/geometry/rect_f.h"
  56 #include "ui/gfx/geometry/vector2d.h"
  57 #include "ui/gfx/geometry/vector2d_f.h"
  58 #include "ui/gfx/ipc/gfx_param_traits.h"
  59 #include "ui/gfx/range/range.h"
  60
  61 #if defined(OS_MACOSX)
  62 #include "content/common/mac/font_descriptor.h"
  63 #include "third_party/WebKit/public/web/mac/WebScrollbarTheme.h"
  64 #endif
  65
  66 #if defined(ENABLE_PLUGINS)
  67 #include "content/common/pepper_renderer_instance_data.h"
  68 #endif
  69
  70 #undef IPC_MESSAGE_EXPORT
  71 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  72
  73 #define IPC_MESSAGE_START ViewMsgStart
  74
  75 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebMediaPlayerAction::Type,
  76                           blink::WebMediaPlayerAction::Type::TypeLast)
  77 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPluginAction::Type,
  78                           blink::WebPluginAction::Type::TypeLast)
  79 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPopupType,
  80                           blink::WebPopupType::WebPopupTypeLast)
  81 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebTextDirection,
  82                           blink::WebTextDirection::WebTextDirectionLast)
  83 IPC_ENUM_TRAITS(WindowContainerType)
  84 IPC_ENUM_TRAITS(content::FaviconURL::IconType)
  85 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
  86 IPC_ENUM_TRAITS(content::MenuItem::Type)
  87 IPC_ENUM_TRAITS_MAX_VALUE(content::NavigationGesture,
  88                           content::NavigationGestureLast)
  89 IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::PageZoom,
  90                               content::PageZoom::PAGE_ZOOM_OUT,
  91                               content::PageZoom::PAGE_ZOOM_IN)
  92 IPC_ENUM_TRAITS(gfx::FontRenderParams::Hinting)
  93 IPC_ENUM_TRAITS(gfx::FontRenderParams::SubpixelRendering)
  94 IPC_ENUM_TRAITS_MAX_VALUE(content::TapMultipleTargetsStrategy,
  95                           content::TAP_MULTIPLE_TARGETS_STRATEGY_MAX)
  96 IPC_ENUM_TRAITS_MAX_VALUE(content::StopFindAction,
  97                           content::STOP_FIND_ACTION_LAST)
  98 IPC_ENUM_TRAITS_MAX_VALUE(content::ThreeDAPIType,
  99                           content::THREE_D_API_TYPE_LAST)
 100 IPC_ENUM_TRAITS_MAX_VALUE(media::ChannelLayout, media::CHANNEL_LAYOUT_MAX - 1)
 101 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaLogEvent::Type,
 102                           media::MediaLogEvent::TYPE_LAST)
 103 IPC_ENUM_TRAITS_MAX_VALUE(ui::TextInputMode, ui::TEXT_INPUT_MODE_MAX)
 104 IPC_ENUM_TRAITS(ui::TextInputType)
 105
 106 #if defined(OS_MACOSX)
 107 IPC_STRUCT_TRAITS_BEGIN(FontDescriptor)
 108   IPC_STRUCT_TRAITS_MEMBER(font_name)
 109   IPC_STRUCT_TRAITS_MEMBER(font_point_size)
 110 IPC_STRUCT_TRAITS_END()
 111 #endif
 112
 113 IPC_STRUCT_TRAITS_BEGIN(blink::WebFindOptions)
 114   IPC_STRUCT_TRAITS_MEMBER(forward)
 115   IPC_STRUCT_TRAITS_MEMBER(matchCase)
 116   IPC_STRUCT_TRAITS_MEMBER(findNext)
 117 IPC_STRUCT_TRAITS_END()
 118
 119 IPC_STRUCT_TRAITS_BEGIN(blink::WebMediaPlayerAction)
 120   IPC_STRUCT_TRAITS_MEMBER(type)
 121   IPC_STRUCT_TRAITS_MEMBER(enable)
 122 IPC_STRUCT_TRAITS_END()
 123
 124 IPC_STRUCT_TRAITS_BEGIN(blink::WebPluginAction)
 125   IPC_STRUCT_TRAITS_MEMBER(type)
 126   IPC_STRUCT_TRAITS_MEMBER(enable)
 127 IPC_STRUCT_TRAITS_END()
 128
 129 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatPoint)
 130   IPC_STRUCT_TRAITS_MEMBER(x)
 131   IPC_STRUCT_TRAITS_MEMBER(y)
 132 IPC_STRUCT_TRAITS_END()
 133
 134 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatRect)
 135   IPC_STRUCT_TRAITS_MEMBER(x)
 136   IPC_STRUCT_TRAITS_MEMBER(y)
 137   IPC_STRUCT_TRAITS_MEMBER(width)
 138   IPC_STRUCT_TRAITS_MEMBER(height)
 139 IPC_STRUCT_TRAITS_END()
 140
 141 IPC_STRUCT_TRAITS_BEGIN(blink::WebScreenInfo)
 142   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 143   IPC_STRUCT_TRAITS_MEMBER(depth)
 144   IPC_STRUCT_TRAITS_MEMBER(depthPerComponent)
 145   IPC_STRUCT_TRAITS_MEMBER(isMonochrome)
 146   IPC_STRUCT_TRAITS_MEMBER(rect)
 147   IPC_STRUCT_TRAITS_MEMBER(availableRect)
 148   IPC_STRUCT_TRAITS_MEMBER(orientationType)
 149   IPC_STRUCT_TRAITS_MEMBER(orientationAngle)
 150 IPC_STRUCT_TRAITS_END()
 151
 152 IPC_STRUCT_TRAITS_BEGIN(content::MenuItem)
 153   IPC_STRUCT_TRAITS_MEMBER(label)
 154   IPC_STRUCT_TRAITS_MEMBER(tool_tip)
 155   IPC_STRUCT_TRAITS_MEMBER(type)
 156   IPC_STRUCT_TRAITS_MEMBER(action)
 157   IPC_STRUCT_TRAITS_MEMBER(rtl)
 158   IPC_STRUCT_TRAITS_MEMBER(has_directional_override)
 159   IPC_STRUCT_TRAITS_MEMBER(enabled)
 160   IPC_STRUCT_TRAITS_MEMBER(checked)
 161   IPC_STRUCT_TRAITS_MEMBER(submenu)
 162 IPC_STRUCT_TRAITS_END()
 163
 164 IPC_STRUCT_TRAITS_BEGIN(content::DateTimeSuggestion)
 165   IPC_STRUCT_TRAITS_MEMBER(value)
 166   IPC_STRUCT_TRAITS_MEMBER(localized_value)
 167   IPC_STRUCT_TRAITS_MEMBER(label)
 168 IPC_STRUCT_TRAITS_END()
 169
 170 IPC_STRUCT_TRAITS_BEGIN(content::FaviconURL)
 171   IPC_STRUCT_TRAITS_MEMBER(icon_url)
 172   IPC_STRUCT_TRAITS_MEMBER(icon_type)
 173   IPC_STRUCT_TRAITS_MEMBER(icon_sizes)
 174 IPC_STRUCT_TRAITS_END()
 175
 176 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserFileInfo)
 177   IPC_STRUCT_TRAITS_MEMBER(file_path)
 178   IPC_STRUCT_TRAITS_MEMBER(display_name)
 179   IPC_STRUCT_TRAITS_MEMBER(file_system_url)
 180   IPC_STRUCT_TRAITS_MEMBER(modification_time)
 181   IPC_STRUCT_TRAITS_MEMBER(length)
 182   IPC_STRUCT_TRAITS_MEMBER(is_directory)
 183 IPC_STRUCT_TRAITS_END()
 184
 185 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserParams)
 186   IPC_STRUCT_TRAITS_MEMBER(mode)
 187   IPC_STRUCT_TRAITS_MEMBER(title)
 188   IPC_STRUCT_TRAITS_MEMBER(default_file_name)
 189   IPC_STRUCT_TRAITS_MEMBER(accept_types)
 190   IPC_STRUCT_TRAITS_MEMBER(need_local_path)
 191 #if defined(OS_ANDROID)
 192   IPC_STRUCT_TRAITS_MEMBER(capture)
 193 #endif
 194 IPC_STRUCT_TRAITS_END()
 195
 196 #if defined(ENABLE_PLUGINS)
 197 IPC_STRUCT_TRAITS_BEGIN(content::PepperRendererInstanceData)
 198   IPC_STRUCT_TRAITS_MEMBER(render_process_id)
 199   IPC_STRUCT_TRAITS_MEMBER(render_frame_id)
 200   IPC_STRUCT_TRAITS_MEMBER(document_url)
 201   IPC_STRUCT_TRAITS_MEMBER(plugin_url)
 202 IPC_STRUCT_TRAITS_END()
 203 #endif
 204
 205 IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
 206   IPC_STRUCT_TRAITS_MEMBER(can_accept_load_drops)
 207   IPC_STRUCT_TRAITS_MEMBER(should_antialias_text)
 208   IPC_STRUCT_TRAITS_MEMBER(hinting)
 209   IPC_STRUCT_TRAITS_MEMBER(use_autohinter)
 210   IPC_STRUCT_TRAITS_MEMBER(use_bitmaps)
 211   IPC_STRUCT_TRAITS_MEMBER(subpixel_rendering)
 212   IPC_STRUCT_TRAITS_MEMBER(use_subpixel_positioning)
 213   IPC_STRUCT_TRAITS_MEMBER(focus_ring_color)
 214   IPC_STRUCT_TRAITS_MEMBER(thumb_active_color)
 215   IPC_STRUCT_TRAITS_MEMBER(thumb_inactive_color)
 216   IPC_STRUCT_TRAITS_MEMBER(track_color)
 217   IPC_STRUCT_TRAITS_MEMBER(active_selection_bg_color)
 218   IPC_STRUCT_TRAITS_MEMBER(active_selection_fg_color)
 219   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_bg_color)
 220   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_fg_color)
 221   IPC_STRUCT_TRAITS_MEMBER(browser_handles_non_local_top_level_requests)
 222   IPC_STRUCT_TRAITS_MEMBER(browser_handles_all_top_level_requests)
 223   IPC_STRUCT_TRAITS_MEMBER(caret_blink_interval)
 224   IPC_STRUCT_TRAITS_MEMBER(use_custom_colors)
 225   IPC_STRUCT_TRAITS_MEMBER(enable_referrers)
 226   IPC_STRUCT_TRAITS_MEMBER(enable_do_not_track)
 227   IPC_STRUCT_TRAITS_MEMBER(default_zoom_level)
 228   IPC_STRUCT_TRAITS_MEMBER(user_agent_override)
 229   IPC_STRUCT_TRAITS_MEMBER(accept_languages)
 230   IPC_STRUCT_TRAITS_MEMBER(report_frame_name_changes)
 231   IPC_STRUCT_TRAITS_MEMBER(tap_multiple_targets_strategy)
 232   IPC_STRUCT_TRAITS_MEMBER(disable_client_blocked_error_page)
 233   IPC_STRUCT_TRAITS_MEMBER(plugin_fullscreen_allowed)
 234   IPC_STRUCT_TRAITS_MEMBER(use_video_overlay_for_embedded_encrypted_video)
 235   IPC_STRUCT_TRAITS_MEMBER(caption_font_family_name)
 236   IPC_STRUCT_TRAITS_MEMBER(caption_font_height)
 237   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_family_name)
 238   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_height)
 239   IPC_STRUCT_TRAITS_MEMBER(menu_font_family_name)
 240   IPC_STRUCT_TRAITS_MEMBER(menu_font_height)
 241   IPC_STRUCT_TRAITS_MEMBER(status_font_family_name)
 242   IPC_STRUCT_TRAITS_MEMBER(status_font_height)
 243   IPC_STRUCT_TRAITS_MEMBER(message_font_family_name)
 244   IPC_STRUCT_TRAITS_MEMBER(message_font_height)
 245 IPC_STRUCT_TRAITS_END()
 246
 247 IPC_STRUCT_TRAITS_BEGIN(content::CookieData)
 248   IPC_STRUCT_TRAITS_MEMBER(name)
 249   IPC_STRUCT_TRAITS_MEMBER(value)
 250   IPC_STRUCT_TRAITS_MEMBER(domain)
 251   IPC_STRUCT_TRAITS_MEMBER(path)
 252   IPC_STRUCT_TRAITS_MEMBER(expires)
 253   IPC_STRUCT_TRAITS_MEMBER(http_only)
 254   IPC_STRUCT_TRAITS_MEMBER(secure)
 255   IPC_STRUCT_TRAITS_MEMBER(session)
 256 IPC_STRUCT_TRAITS_END()
 257
 258 IPC_STRUCT_TRAITS_BEGIN(content::WebPluginGeometry)
 259   IPC_STRUCT_TRAITS_MEMBER(window)
 260   IPC_STRUCT_TRAITS_MEMBER(window_rect)
 261   IPC_STRUCT_TRAITS_MEMBER(clip_rect)
 262   IPC_STRUCT_TRAITS_MEMBER(cutout_rects)
 263   IPC_STRUCT_TRAITS_MEMBER(rects_valid)
 264   IPC_STRUCT_TRAITS_MEMBER(visible)
 265 IPC_STRUCT_TRAITS_END()
 266
 267 IPC_STRUCT_TRAITS_BEGIN(media::MediaLogEvent)
 268   IPC_STRUCT_TRAITS_MEMBER(id)
 269   IPC_STRUCT_TRAITS_MEMBER(type)
 270   IPC_STRUCT_TRAITS_MEMBER(params)
 271   IPC_STRUCT_TRAITS_MEMBER(time)
 272 IPC_STRUCT_TRAITS_END()
 273
 274 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWindow_Params)
 275   // Routing ID of the view initiating the open.
 276   IPC_STRUCT_MEMBER(int, opener_id)
 277
 278   // True if this open request came in the context of a user gesture.
 279   IPC_STRUCT_MEMBER(bool, user_gesture)
 280
 281   // Type of window requested.
 282   IPC_STRUCT_MEMBER(WindowContainerType, window_container_type)
 283
 284   // The session storage namespace ID this view should use.
 285   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 286
 287   // The name of the resulting frame that should be created (empty if none
 288   // has been specified).
 289   IPC_STRUCT_MEMBER(base::string16, frame_name)
 290
 291   // The routing id of the frame initiating the open.
 292   IPC_STRUCT_MEMBER(int, opener_render_frame_id)
 293
 294   // The URL of the frame initiating the open.
 295   IPC_STRUCT_MEMBER(GURL, opener_url)
 296
 297   // The URL of the top frame containing the opener.
 298   IPC_STRUCT_MEMBER(GURL, opener_top_level_frame_url)
 299
 300   // The security origin of the frame initiating the open.
 301   IPC_STRUCT_MEMBER(GURL, opener_security_origin)
 302
 303   // Whether the opener will be suppressed in the new window, in which case
 304   // scripting the new window is not allowed.
 305   IPC_STRUCT_MEMBER(bool, opener_suppressed)
 306
 307   // Whether the window should be opened in the foreground, background, etc.
 308   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
 309
 310   // The URL that will be loaded in the new window (empty if none has been
 311   // sepcified).
 312   IPC_STRUCT_MEMBER(GURL, target_url)
 313
 314   // The referrer that will be used to load |target_url| (empty if none has
 315   // been specified).
 316   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 317
 318   // The window features to use for the new view.
 319   IPC_STRUCT_MEMBER(blink::WebWindowFeatures, features)
 320
 321   // The additional window features to use for the new view. We pass these
 322   // separately from |features| above because we cannot serialize WebStrings
 323   // over IPC.
 324   IPC_STRUCT_MEMBER(std::vector<base::string16>, additional_features)
 325 IPC_STRUCT_END()
 326
 327 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWorker_Params)
 328   // URL for the worker script.
 329   IPC_STRUCT_MEMBER(GURL, url)
 330
 331   // Name for a SharedWorker, otherwise empty string.
 332   IPC_STRUCT_MEMBER(base::string16, name)
 333
 334   // Security policy used in the worker.
 335   IPC_STRUCT_MEMBER(base::string16, content_security_policy)
 336
 337   // Security policy type used in the worker.
 338   IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType, security_policy_type)
 339
 340   // The ID of the parent document (unique within parent renderer).
 341   IPC_STRUCT_MEMBER(unsigned long long, document_id)
 342
 343   // RenderFrame routing id used to send messages back to the parent.
 344   IPC_STRUCT_MEMBER(int, render_frame_route_id)
 345 IPC_STRUCT_END()
 346
 347 IPC_STRUCT_BEGIN(ViewHostMsg_DateTimeDialogValue_Params)
 348   IPC_STRUCT_MEMBER(ui::TextInputType, dialog_type)
 349   IPC_STRUCT_MEMBER(double, dialog_value)
 350   IPC_STRUCT_MEMBER(double, minimum)
 351   IPC_STRUCT_MEMBER(double, maximum)
 352   IPC_STRUCT_MEMBER(double, step)
 353   IPC_STRUCT_MEMBER(std::vector<content::DateTimeSuggestion>, suggestions)
 354 IPC_STRUCT_END()
 355
 356 IPC_STRUCT_BEGIN(ViewHostMsg_SelectionBounds_Params)
 357   IPC_STRUCT_MEMBER(gfx::Rect, anchor_rect)
 358   IPC_STRUCT_MEMBER(blink::WebTextDirection, anchor_dir)
 359   IPC_STRUCT_MEMBER(gfx::Rect, focus_rect)
 360   IPC_STRUCT_MEMBER(blink::WebTextDirection, focus_dir)
 361   IPC_STRUCT_MEMBER(bool, is_anchor_first)
 362 IPC_STRUCT_END()
 363
 364 IPC_STRUCT_BEGIN(ViewHostMsg_TextInputState_Params)
 365   // The type of input field
 366   IPC_STRUCT_MEMBER(ui::TextInputType, type)
 367
 368   // The flags of the input field (autocorrect, autocomplete, etc.)
 369   IPC_STRUCT_MEMBER(int, flags)
 370
 371   // The value of the input field
 372   IPC_STRUCT_MEMBER(std::string, value)
 373
 374   // The cursor position of the current selection start, or the caret position
 375   // if nothing is selected
 376   IPC_STRUCT_MEMBER(int, selection_start)
 377
 378   // The cursor position of the current selection end, or the caret position
 379   // if nothing is selected
 380   IPC_STRUCT_MEMBER(int, selection_end)
 381
 382   // The start position of the current composition, or -1 if there is none
 383   IPC_STRUCT_MEMBER(int, composition_start)
 384
 385   // The end position of the current composition, or -1 if there is none
 386   IPC_STRUCT_MEMBER(int, composition_end)
 387
 388   // Whether or not inline composition can be performed for the current input.
 389   IPC_STRUCT_MEMBER(bool, can_compose_inline)
 390
 391   // Whether or not the IME should be shown as a result of this update. Even if
 392   // true, the IME will only be shown if the type is appropriate (e.g. not
 393   // TEXT_INPUT_TYPE_NONE).
 394   IPC_STRUCT_MEMBER(bool, show_ime_if_needed)
 395
 396   // Whether this change is originated from non-IME (e.g. Javascript, Autofill).
 397   IPC_STRUCT_MEMBER(bool, is_non_ime_change)
 398 IPC_STRUCT_END()
 399
 400 IPC_STRUCT_BEGIN(ViewHostMsg_UpdateRect_Params)
 401   // The size of the RenderView when this message was generated.  This is
 402   // included so the host knows how large the view is from the perspective of
 403   // the renderer process.  This is necessary in case a resize operation is in
 404   // progress. If auto-resize is enabled, this should update the corresponding
 405   // view size.
 406   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 407
 408   // New window locations for plugin child windows.
 409   IPC_STRUCT_MEMBER(std::vector<content::WebPluginGeometry>,
 410                     plugin_window_moves)
 411
 412   // The following describes the various bits that may be set in flags:
 413   //
 414   //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
 415   //     Indicates that this is a response to a ViewMsg_Resize message.
 416   //
 417   //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
 418   //     Indicates that this is a response to a ViewMsg_Repaint message.
 419   //
 420   // If flags is zero, then this message corresponds to an unsolicited paint
 421   // request by the render view.  Any of the above bits may be set in flags,
 422   // which would indicate that this paint message is an ACK for multiple
 423   // request messages.
 424   IPC_STRUCT_MEMBER(int, flags)
 425 IPC_STRUCT_END()
 426
 427 IPC_STRUCT_BEGIN(ViewMsg_Resize_Params)
 428   // Information about the screen (dpi, depth, etc..).
 429   IPC_STRUCT_MEMBER(blink::WebScreenInfo, screen_info)
 430   // The size of the renderer.
 431   IPC_STRUCT_MEMBER(gfx::Size, new_size)
 432   // The size of the view's backing surface in non-DPI-adjusted pixels.
 433   IPC_STRUCT_MEMBER(gfx::Size, physical_backing_size)
 434   // Whether or not Blink's viewport size should be shrunk by the height of the
 435   // URL-bar (always false on platforms where URL-bar hiding isn't supported).
 436   IPC_STRUCT_MEMBER(bool, top_controls_shrink_blink_size)
 437   // The height of the top controls (always 0 on platforms where URL-bar hiding
 438   // isn't supported).
 439   IPC_STRUCT_MEMBER(float, top_controls_height)
 440   // The size of the visible viewport, which may be smaller than the view if the
 441   // view is partially occluded (e.g. by a virtual keyboard).  The size is in
 442   // DPI-adjusted pixels.
 443   IPC_STRUCT_MEMBER(gfx::Size, visible_viewport_size)
 444   // The resizer rect.
 445   IPC_STRUCT_MEMBER(gfx::Rect, resizer_rect)
 446   // Indicates whether a page is fullscreen or not.
 447   IPC_STRUCT_MEMBER(bool, is_fullscreen)
 448 IPC_STRUCT_END()
 449
 450 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
 451   // Renderer-wide preferences.
 452   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 453
 454   // Preferences for this view.
 455   IPC_STRUCT_MEMBER(content::WebPreferences, web_preferences)
 456
 457   // The ID of the view to be created.
 458   IPC_STRUCT_MEMBER(int32, view_id)
 459
 460   // The ID of the main frame hosted in the view.
 461   IPC_STRUCT_MEMBER(int32, main_frame_routing_id)
 462
 463   // The ID of the rendering surface.
 464   IPC_STRUCT_MEMBER(int32, surface_id)
 465
 466   // The session storage namespace ID this view should use.
 467   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 468
 469   // The name of the frame associated with this view (or empty if none).
 470   IPC_STRUCT_MEMBER(base::string16, frame_name)
 471
 472   // The route ID of the opener RenderView if we need to set one
 473   // (MSG_ROUTING_NONE otherwise).
 474   IPC_STRUCT_MEMBER(int, opener_route_id)
 475
 476   // Whether the RenderView should initially be swapped out.
 477   IPC_STRUCT_MEMBER(bool, swapped_out)
 478
 479   // In --site-per-process mode, if this view is |swapped_out|, its main frame
 480   // will become a RenderFrameProxy.  |replicated_frame_state| is used to
 481   // replicate information such as security origin to that RenderFrameProxy.
 482   IPC_STRUCT_MEMBER(content::FrameReplicationState, replicated_frame_state)
 483
 484   // The ID of the proxy object for the main frame in this view. It is only
 485   // used if |swapped_out| is true.
 486   IPC_STRUCT_MEMBER(int32, proxy_routing_id)
 487
 488   // Whether the RenderView should initially be hidden.
 489   IPC_STRUCT_MEMBER(bool, hidden)
 490
 491   // Whether the RenderView will never be visible.
 492   IPC_STRUCT_MEMBER(bool, never_visible)
 493
 494   // Whether the window associated with this view was created with an opener.
 495   IPC_STRUCT_MEMBER(bool, window_was_created_with_opener)
 496
 497   // The initial page ID to use for this view, which must be larger than any
 498   // existing navigation that might be loaded in the view.  Page IDs are unique
 499   // to a view and are only updated by the renderer after this initial value.
 500   IPC_STRUCT_MEMBER(int32, next_page_id)
 501
 502   // The initial renderer size.
 503   IPC_STRUCT_MEMBER(ViewMsg_Resize_Params, initial_size)
 504
 505   // Whether to enable auto-resize.
 506   IPC_STRUCT_MEMBER(bool, enable_auto_resize)
 507
 508   // The minimum size to layout the page if auto-resize is enabled.
 509   IPC_STRUCT_MEMBER(gfx::Size, min_size)
 510
 511   // The maximum size to layout the page if auto-resize is enabled.
 512   IPC_STRUCT_MEMBER(gfx::Size, max_size)
 513 IPC_STRUCT_END()
 514
 515 IPC_STRUCT_BEGIN(ViewMsg_PostMessage_Params)
 516   // Whether the data format is supplied as serialized script value, or as
 517   // a simple string. If it is a raw string, must be converted from string to a
 518   // WebSerializedScriptValue in renderer.
 519   IPC_STRUCT_MEMBER(bool, is_data_raw_string)
 520   // The serialized script value.
 521   IPC_STRUCT_MEMBER(base::string16, data)
 522   // When sent to the browser, this is the routing ID of the source frame in
 523   // the source process.  The browser replaces it with the routing ID of the
 524   // equivalent (swapped out) frame in the destination process.
 525   IPC_STRUCT_MEMBER(int, source_routing_id)
 526
 527   // The origin of the source frame.
 528   IPC_STRUCT_MEMBER(base::string16, source_origin)
 529
 530   // The origin for the message's target.
 531   IPC_STRUCT_MEMBER(base::string16, target_origin)
 532
 533   // Information about the MessagePorts this message contains.
 534   IPC_STRUCT_MEMBER(std::vector<int>, message_port_ids)
 535   IPC_STRUCT_MEMBER(std::vector<int>, new_routing_ids)
 536 IPC_STRUCT_END()
 537
 538 // Messages sent from the browser to the renderer.
 539
 540 #if defined(OS_ANDROID)
 541 // Tells the renderer to cancel an opened date/time dialog.
 542 IPC_MESSAGE_ROUTED0(ViewMsg_CancelDateTimeDialog)
 543
 544 // Replaces a date time input field.
 545 IPC_MESSAGE_ROUTED1(ViewMsg_ReplaceDateTime,
 546                     double /* dialog_value */)
 547
 548 #endif
 549
 550 // Get all savable resource links from current webpage, include main
 551 // frame and sub-frame.
 552 IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
 553                     GURL /* url of page which is needed to save */)
 554
 555 // Get html data by serializing all frames of current page with lists
 556 // which contain all resource links that have local copy.
 557 IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
 558                     std::vector<GURL> /* urls that have local copy */,
 559                     std::vector<base::FilePath> /* paths of local copy */,
 560                     base::FilePath /* local directory path */)
 561
 562 // Tells the render side that a ViewHostMsg_LockMouse message has been
 563 // processed. |succeeded| indicates whether the mouse has been successfully
 564 // locked or not.
 565 IPC_MESSAGE_ROUTED1(ViewMsg_LockMouse_ACK,
 566                     bool /* succeeded */)
 567 // Tells the render side that the mouse has been unlocked.
 568 IPC_MESSAGE_ROUTED0(ViewMsg_MouseLockLost)
 569
 570 // Sent by the browser when the parameters for vsync alignment have changed.
 571 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateVSyncParameters,
 572                     base::TimeTicks /* timebase */,
 573                     base::TimeDelta /* interval */)
 574
 575 // Sent when the history is altered outside of navigation. The history list was
 576 // reset to |history_length| length, and the offset was reset to be
 577 // |history_offset|.
 578 IPC_MESSAGE_ROUTED2(ViewMsg_SetHistoryOffsetAndLength,
 579                     int /* history_offset */,
 580                     int /* history_length */)
 581
 582 // Tells the renderer to create a new view.
 583 // This message is slightly different, the view it takes (via
 584 // ViewMsg_New_Params) is the view to create, the message itself is sent as a
 585 // non-view control message.
 586 IPC_MESSAGE_CONTROL1(ViewMsg_New,
 587                      ViewMsg_New_Params)
 588
 589 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
 590 // similar to the new command, but used when the renderer created a view
 591 // first, and we need to update it.
 592 IPC_MESSAGE_ROUTED0(ViewMsg_CreatingNew_ACK)
 593
 594 // Sends updated preferences to the renderer.
 595 IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,
 596                     content::RendererPreferences)
 597
 598 // This passes a set of webkit preferences down to the renderer.
 599 IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences,
 600                     content::WebPreferences)
 601
 602 // Informs the renderer that the timezone has changed.
 603 IPC_MESSAGE_CONTROL0(ViewMsg_TimezoneChange)
 604
 605 // Tells the render view to close.
 606 // Expects a Close_ACK message when finished.
 607 IPC_MESSAGE_ROUTED0(ViewMsg_Close)
 608
 609 // Tells the render view to change its size.  A ViewHostMsg_UpdateRect message
 610 // is generated in response provided new_size is not empty and not equal to
 611 // the view's current size.  The generated ViewHostMsg_UpdateRect message will
 612 // have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
 613 // we don't have to fetch it every time WebKit asks for it.
 614 IPC_MESSAGE_ROUTED1(ViewMsg_Resize,
 615                     ViewMsg_Resize_Params /* params */)
 616
 617 // Sent to inform the renderer of its screen device color profile. An empty
 618 // profile tells the renderer use the default sRGB color profile.
 619 IPC_MESSAGE_ROUTED1(ViewMsg_ColorProfile,
 620                     std::vector<char> /* color profile */)
 621
 622 // Tells the render view that the resize rect has changed.
 623 IPC_MESSAGE_ROUTED1(ViewMsg_ChangeResizeRect,
 624                     gfx::Rect /* resizer_rect */)
 625
 626 // Sent to inform the view that it was hidden.  This allows it to reduce its
 627 // resource utilization.
 628 IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
 629
 630 // Tells the render view that it is no longer hidden (see WasHidden), and the
 631 // render view is expected to respond with a full repaint if needs_repainting
 632 // is true. If needs_repainting is false, then this message does not trigger a
 633 // message in response.
 634 IPC_MESSAGE_ROUTED2(ViewMsg_WasShown,
 635                     bool /* needs_repainting */,
 636                     ui::LatencyInfo /* latency_info */)
 637
 638 // Tells the renderer to focus the first (last if reverse is true) focusable
 639 // node.
 640 IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus,
 641                     bool /* reverse */)
 642
 643 // Sent to inform the renderer to invoke a context menu.
 644 // The parameter specifies the location in the render view's coordinates.
 645 IPC_MESSAGE_ROUTED2(ViewMsg_ShowContextMenu,
 646                     ui::MenuSourceType,
 647                     gfx::Point /* location where menu should be shown */)
 648
 649 // Sent when the user wants to search for a word on the page (find in page).
 650 IPC_MESSAGE_ROUTED3(ViewMsg_Find,
 651                     int /* request_id */,
 652                     base::string16 /* search_text */,
 653                     blink::WebFindOptions)
 654
 655 // This message notifies the renderer that the user has closed the FindInPage
 656 // window (and what action to take regarding the selection).
 657 IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
 658                     content::StopFindAction /* action */)
 659
 660 // Copies the image at location x, y to the clipboard (if there indeed is an
 661 // image at that location).
 662 IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
 663                     int /* x */,
 664                     int /* y */)
 665
 666 // Saves the image at location x, y to the disk (if there indeed is an
 667 // image at that location).
 668 IPC_MESSAGE_ROUTED2(ViewMsg_SaveImageAt,
 669                     int /* x */,
 670                     int /* y */)
 671
 672 // Tells the renderer to perform the given action on the media player
 673 // located at the given point.
 674 IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
 675                     gfx::Point, /* location */
 676                     blink::WebMediaPlayerAction)
 677
 678 // Tells the renderer to perform the given action on the plugin located at
 679 // the given point.
 680 IPC_MESSAGE_ROUTED2(ViewMsg_PluginActionAt,
 681                     gfx::Point, /* location */
 682                     blink::WebPluginAction)
 683
 684 // Posts a message from a frame in another process to the current renderer.
 685 IPC_MESSAGE_ROUTED1(ViewMsg_PostMessageEvent,
 686                     ViewMsg_PostMessage_Params)
 687
 688 // Change the zoom level for the current main frame.  If the level actually
 689 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
 690 // telling it what url got zoomed and what its current zoom level is.
 691 IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
 692                     content::PageZoom /* function */)
 693
 694 // Set the zoom level for a particular url that the renderer is in the
 695 // process of loading.  This will be stored, to be used if the load commits
 696 // and ignored otherwise.
 697 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
 698                     GURL /* url */,
 699                     double /* zoom_level */)
 700
 701 // Set the zoom level for a particular url, so all render views
 702 // displaying this url can update their zoom levels to match.
 703 // If scheme is empty, then only host is used for matching.
 704 IPC_MESSAGE_CONTROL3(ViewMsg_SetZoomLevelForCurrentURL,
 705                      std::string /* scheme */,
 706                      std::string /* host */,
 707                      double /* zoom_level */)
 708
 709 // Set the zoom level for a particular render view.
 710 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForView,
 711                     bool /* uses_temporary_zoom_level */,
 712                     double /* zoom_level */)
 713
 714 // Change encoding of page in the renderer.
 715 IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
 716                     std::string /*new encoding name*/)
 717
 718 // Reset encoding of page in the renderer back to default.
 719 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
 720
 721 // Used to tell a render view whether it should expose various bindings
 722 // that allow JS content extended privileges.  See BindingsPolicy for valid
 723 // flag values.
 724 IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
 725                     int /* enabled_bindings_flags */)
 726
 727 // Tell the renderer to add a property to the WebUI binding object.  This
 728 // only works if we allowed WebUI bindings.
 729 IPC_MESSAGE_ROUTED2(ViewMsg_SetWebUIProperty,
 730                     std::string /* property_name */,
 731                     std::string /* property_value_json */)
 732
 733 // This message starts/stop monitoring the input method status of the focused
 734 // edit control of a renderer process.
 735 // Parameters
 736 // * is_active (bool)
 737 //   Indicates if an input method is active in the browser process.
 738 //   The possible actions when a renderer process receives this message are
 739 //   listed below:
 740 //     Value Action
 741 //     true  Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
 742 //           to notify the input method status of the focused edit control.
 743 //     false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
 744 IPC_MESSAGE_ROUTED1(ViewMsg_SetInputMethodActive,
 745                     bool /* is_active */)
 746
 747 // IME API oncandidatewindow* events for InputMethodContext.
 748 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowShown)
 749 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowUpdated)
 750 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowHidden)
 751
 752 // Used to notify the render-view that we have received a target URL. Used
 753 // to prevent target URLs spamming the browser.
 754 IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
 755
 756 IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
 757                     std::vector<content::FileChooserFileInfo>)
 758
 759 // Provides the results of directory enumeration.
 760 IPC_MESSAGE_ROUTED2(ViewMsg_EnumerateDirectoryResponse,
 761                     int /* request_id */,
 762                     std::vector<base::FilePath> /* files_in_directory */)
 763
 764 // When a renderer sends a ViewHostMsg_Focus to the browser process,
 765 // the browser has the option of sending a ViewMsg_CantFocus back to
 766 // the renderer.
 767 IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
 768
 769 // Tells the renderer to suppress any further modal dialogs until it receives a
 770 // corresponding ViewMsg_SwapOut message.  This ensures that no
 771 // PageGroupLoadDeferrer is on the stack for SwapOut.
 772 IPC_MESSAGE_ROUTED0(ViewMsg_SuppressDialogsUntilSwapOut)
 773
 774 // Instructs the renderer to close the current page, including running the
 775 // onunload event handler.
 776 //
 777 // Expects a ClosePage_ACK message when finished.
 778 IPC_MESSAGE_ROUTED0(ViewMsg_ClosePage)
 779
 780 // Notifies the renderer about ui theme changes
 781 IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
 782
 783 // Notifies the renderer that a paint is to be generated for the rectangle
 784 // passed in.
 785 IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
 786                     gfx::Size /* The view size to be repainted */)
 787
 788 // Notification that a move or resize renderer's containing window has
 789 // started.
 790 IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
 791
 792 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateScreenRects,
 793                     gfx::Rect /* view_screen_rect */,
 794                     gfx::Rect /* window_screen_rect */)
 795
 796 // Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
 797 // ViewHostMsg_ShowWidget to inform the renderer that the browser has
 798 // processed the move.  The browser may have ignored the move, but it finished
 799 // processing.  This is used because the renderer keeps a temporary cache of
 800 // the widget position while these asynchronous operations are in progress.
 801 IPC_MESSAGE_ROUTED0(ViewMsg_Move_ACK)
 802
 803 // Used to instruct the RenderView to send back updates to the preferred size.
 804 IPC_MESSAGE_ROUTED0(ViewMsg_EnablePreferredSizeChangedMode)
 805
 806 // Used to instruct the RenderView to automatically resize and send back
 807 // updates for the new size.
 808 IPC_MESSAGE_ROUTED2(ViewMsg_EnableAutoResize,
 809                     gfx::Size /* min_size */,
 810                     gfx::Size /* max_size */)
 811
 812 // Used to instruct the RenderView to disalbe automatically resize.
 813 IPC_MESSAGE_ROUTED1(ViewMsg_DisableAutoResize,
 814                     gfx::Size /* new_size */)
 815
 816 // Changes the text direction of the currently selected input field (if any).
 817 IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
 818                     blink::WebTextDirection /* direction */)
 819
 820 // Tells the renderer to clear the focused element (if any).
 821 IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedElement)
 822
 823 // Make the RenderView background transparent or opaque.
 824 IPC_MESSAGE_ROUTED1(ViewMsg_SetBackgroundOpaque, bool /* opaque */)
 825
 826 // Used to tell the renderer not to add scrollbars with height and
 827 // width below a threshold.
 828 IPC_MESSAGE_ROUTED1(ViewMsg_DisableScrollbarsForSmallWindows,
 829                     gfx::Size /* disable_scrollbar_size_limit */)
 830
 831 // Activate/deactivate the RenderView (i.e., set its controls' tint
 832 // accordingly, etc.).
 833 IPC_MESSAGE_ROUTED1(ViewMsg_SetActive,
 834                     bool /* active */)
 835
 836 // Response message to ViewHostMsg_CreateWorker.
 837 // Sent when the worker has started.
 838 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 839
 840 // Sent when the worker failed to load the worker script.
 841 // In normal cases, this message is sent after ViewMsg_WorkerCreated is sent.
 842 // But if the shared worker of the same URL already exists and it has failed
 843 // to load the script, when the renderer send ViewHostMsg_CreateWorker before
 844 // the shared worker is killed only ViewMsg_WorkerScriptLoadFailed is sent.
 845 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerScriptLoadFailed)
 846
 847 // Sent when the worker has connected.
 848 // This message is sent only if the worker successfully loaded the script.
 849 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerConnected)
 850
 851 // Tells the renderer that the network type has changed so that navigator.onLine
 852 // and navigator.connection can be updated.
 853 IPC_MESSAGE_CONTROL1(ViewMsg_NetworkTypeChanged,
 854                      net::NetworkChangeNotifier::ConnectionType /* type */)
 855
 856 #if defined(ENABLE_PLUGINS)
 857 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 858 // Tells the renderer that the channel to the broker has been created.
 859 IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerChannelCreated,
 860                     base::ProcessId /* broker_pid */,
 861                     IPC::ChannelHandle /* handle */)
 862
 863 // Reply to ViewHostMsg_RequestPpapiBrokerPermission.
 864 // Tells the renderer whether permission to access to PPAPI broker was granted
 865 // or not.
 866 IPC_MESSAGE_ROUTED1(ViewMsg_PpapiBrokerPermissionResult,
 867                     bool /* result */)
 868
 869 // Tells the renderer to empty its plugin list cache, optional reloading
 870 // pages containing plugins.
 871 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
 872                      bool /* reload_pages */)
 873 #endif
 874
 875 // Used to instruct the RenderView to go into "view source" mode.
 876 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 877
 878 // Instructs the renderer to save the current page to MHTML.
 879 IPC_MESSAGE_ROUTED2(ViewMsg_SavePageAsMHTML,
 880                     int /* job_id */,
 881                     IPC::PlatformFileForTransit /* file handle */)
 882
 883 // Temporary message to diagnose an unexpected condition in WebContentsImpl.
 884 IPC_MESSAGE_CONTROL1(ViewMsg_TempCrashWithData,
 885                      GURL /* data */)
 886
 887 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
 888 // process to release the magnified image.
 889 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
 890                     cc::SharedBitmapId /* id */)
 891
 892 // Notifies the renderer that a snapshot has been retrieved.
 893 IPC_MESSAGE_ROUTED3(ViewMsg_WindowSnapshotCompleted,
 894                     int /* snapshot_id */,
 895                     gfx::Size /* size */,
 896                     std::vector<unsigned char> /* png */)
 897
 898 // Fetches complete rendered content of a web page as plain text.
 899 IPC_MESSAGE_ROUTED0(ViewMsg_GetRenderedText)
 900
 901 #if defined(OS_MACOSX)
 902 IPC_ENUM_TRAITS_MAX_VALUE(blink::ScrollerStyle, blink::ScrollerStyleOverlay)
 903
 904 // Notification of a change in scrollbar appearance and/or behavior.
 905 IPC_MESSAGE_CONTROL5(ViewMsg_UpdateScrollbarTheme,
 906                      float /* initial_button_delay */,
 907                      float /* autoscroll_button_delay */,
 908                      bool /* jump_on_track_click */,
 909                      blink::ScrollerStyle /* preferred_scroller_style */,
 910                      bool /* redraw */)
 911 #endif
 912
 913 #if defined(OS_ANDROID)
 914 // Tells the renderer to suspend/resume the webkit timers.
 915 IPC_MESSAGE_CONTROL1(ViewMsg_SetWebKitSharedTimersSuspended,
 916                      bool /* suspend */)
 917
 918 // Sent when the browser wants the bounding boxes of the current find matches.
 919 //
 920 // If match rects are already cached on the browser side, |current_version|
 921 // should be the version number from the ViewHostMsg_FindMatchRects_Reply
 922 // they came in, so the renderer can tell if it needs to send updated rects.
 923 // Otherwise just pass -1 to always receive the list of rects.
 924 //
 925 // There must be an active search string (it is probably most useful to call
 926 // this immediately after a ViewHostMsg_Find_Reply message arrives with
 927 // final_update set to true).
 928 IPC_MESSAGE_ROUTED1(ViewMsg_FindMatchRects,
 929                     int /* current_version */)
 930
 931 // Notifies the renderer whether hiding/showing the top controls is enabled
 932 // and whether or not to animate to the proper state.
 933 IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
 934                     bool /* enable_hiding */,
 935                     bool /* enable_showing */,
 936                     bool /* animate */)
 937
 938 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 939
 940 // Sent by the browser when an IME update that requires acknowledgement has been
 941 // processed on the browser side.
 942 IPC_MESSAGE_ROUTED0(ViewMsg_ImeEventAck)
 943
 944 // Extracts the data at the given rect, returning it through the
 945 // ViewHostMsg_SmartClipDataExtracted IPC.
 946 IPC_MESSAGE_ROUTED1(ViewMsg_ExtractSmartClipData,
 947                     gfx::Rect /* rect */)
 948
 949 #elif defined(OS_MACOSX)
 950 // Let the RenderView know its window has changed visibility.
 951 IPC_MESSAGE_ROUTED1(ViewMsg_SetWindowVisibility,
 952                     bool /* visibile */)
 953
 954 // Let the RenderView know its window's frame has changed.
 955 IPC_MESSAGE_ROUTED2(ViewMsg_WindowFrameChanged,
 956                     gfx::Rect /* window frame */,
 957                     gfx::Rect /* content view frame */)
 958
 959 // Message sent from the browser to the renderer when the user starts or stops
 960 // resizing the view.
 961 IPC_MESSAGE_ROUTED1(ViewMsg_SetInLiveResize,
 962                     bool /* enable */)
 963
 964 // Tell the renderer that plugin IME has completed.
 965 IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionCompleted,
 966                     base::string16 /* text */,
 967                     int /* plugin_id */)
 968 #endif
 969
 970 // Sent by the browser as a reply to ViewHostMsg_SwapCompositorFrame.
 971 IPC_MESSAGE_ROUTED2(ViewMsg_SwapCompositorFrameAck,
 972                     uint32 /* output_surface_id */,
 973                     cc::CompositorFrameAck /* ack */)
 974
 975 // Sent by browser to tell renderer compositor that some resources that were
 976 // given to the browser in a swap are not being used anymore.
 977 IPC_MESSAGE_ROUTED2(ViewMsg_ReclaimCompositorResources,
 978                     uint32 /* output_surface_id */,
 979                     cc::CompositorFrameAck /* ack */)
 980
 981 IPC_MESSAGE_ROUTED0(ViewMsg_SelectWordAroundCaret)
 982
 983 // Sent by the browser to ask the renderer to redraw.
 984 // If |request_id| is not zero, it is added to the forced frame's latency info
 985 // as ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT.
 986 IPC_MESSAGE_ROUTED1(ViewMsg_ForceRedraw,
 987                     int /* request_id */)
 988
 989 // Sent by the browser when the renderer should generate a new frame.
 990 IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
 991                     cc::BeginFrameArgs /* args */)
 992
 993 // -----------------------------------------------------------------------------
 994 // Messages sent from the renderer to the browser.
 995
 996 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
 997 // display events. If |enabled| is true, the BeginFrame message will continue
 998 // to be be delivered until the notification is disabled.
 999 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrames,
1000                     bool /* enabled */)
1001
1002 // Sent by the renderer when it is creating a new window.  The browser creates
1003 // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
1004 // MSG_ROUTING_NONE, the view couldn't be created.
1005 IPC_SYNC_MESSAGE_CONTROL1_4(ViewHostMsg_CreateWindow,
1006                             ViewHostMsg_CreateWindow_Params,
1007                             int /* route_id */,
1008                             int /* main_frame_route_id */,
1009                             int32 /* surface_id */,
1010                             int64 /* cloned_session_storage_namespace_id */)
1011
1012 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
1013 // <select> dropdowns.  This message is sent to the WebContentsImpl that
1014 // contains the widget being created.
1015 IPC_SYNC_MESSAGE_CONTROL2_2(ViewHostMsg_CreateWidget,
1016                             int /* opener_id */,
1017                             blink::WebPopupType /* popup type */,
1018                             int /* route_id */,
1019                             int32 /* surface_id */)
1020
1021 // Similar to ViewHostMsg_CreateWidget except the widget is a full screen
1022 // window.
1023 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateFullscreenWidget,
1024                             int /* opener_id */,
1025                             int /* route_id */,
1026                             int32 /* surface_id */)
1027
1028 // Asks the browser for a unique routing ID.
1029 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GenerateRoutingID,
1030                             int /* routing_id */)
1031
1032 // Asks the browser for the default audio hardware configuration.
1033 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetAudioHardwareConfig,
1034                             media::AudioParameters /* input parameters */,
1035                             media::AudioParameters /* output parameters */)
1036
1037 // Asks the browser for the renderer process memory size stats.
1038 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetProcessMemorySizes,
1039                             size_t /* private_bytes */,
1040                             size_t /* shared_bytes */)
1041
1042 // These three messages are sent to the parent RenderViewHost to display the
1043 // page/widget that was created by
1044 // CreateWindow/CreateWidget/CreateFullscreenWidget. routing_id
1045 // refers to the id that was returned from the Create message above.
1046 // The initial_position parameter is a rectangle in screen coordinates.
1047 //
1048 // FUTURE: there will probably be flags here to control if the result is
1049 // in a new window.
1050 IPC_MESSAGE_ROUTED4(ViewHostMsg_ShowView,
1051                     int /* route_id */,
1052                     WindowOpenDisposition /* disposition */,
1053                     gfx::Rect /* initial_pos */,
1054                     bool /* opened_by_user_gesture */)
1055
1056 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
1057                     int /* route_id */,
1058                     gfx::Rect /* initial_pos */)
1059
1060 // Message to show a full screen widget.
1061 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
1062                     int /* route_id */)
1063
1064 // This message is sent after ViewHostMsg_ShowView to cause the RenderView
1065 // to run in a modal fashion until it is closed.
1066 IPC_SYNC_MESSAGE_ROUTED1_0(ViewHostMsg_RunModal,
1067                            int /* opener_id */)
1068
1069 // Indicates the renderer is ready in response to a ViewMsg_New or
1070 // a ViewMsg_CreatingNew_ACK.
1071 IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
1072
1073 // Indicates the renderer process is gone.  This actually is sent by the
1074 // browser process to itself, but keeps the interface cleaner.
1075 IPC_MESSAGE_ROUTED2(ViewHostMsg_RenderProcessGone,
1076                     int, /* this really is base::TerminationStatus */
1077                     int /* exit_code */)
1078
1079 // Sent by the renderer process to request that the browser close the view.
1080 // This corresponds to the window.close() API, and the browser may ignore
1081 // this message.  Otherwise, the browser will generates a ViewMsg_Close
1082 // message to close the view.
1083 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
1084
1085 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
1086 // throttle these messages.
1087 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
1088
1089 // Sent by the renderer process to request that the browser move the view.
1090 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
1091 // the browser may ignore this message.
1092 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
1093                     gfx::Rect /* position */)
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 render view has been closed in respose to a
1109 // Close message.
1110 IPC_MESSAGE_CONTROL1(ViewHostMsg_Close_ACK,
1111                      int /* old_route_id */)
1112
1113 // Indicates that the current page has been closed, after a ClosePage
1114 // message.
1115 IPC_MESSAGE_ROUTED0(ViewHostMsg_ClosePage_ACK)
1116
1117 // Notifies the browser that we have session history information.
1118 // page_id: unique ID that allows us to distinguish between history entries.
1119 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
1120                     int32 /* page_id */,
1121                     content::PageState /* state */)
1122
1123 // Notifies the browser that we want to show a destination url for a potential
1124 // action (e.g. when the user is hovering over a link).
1125 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateTargetURL,
1126                     GURL)
1127
1128 // Sent when the document element is available for the top-level frame.  This
1129 // happens after the page starts loading, but before all resources are
1130 // finished.
1131 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentAvailableInMainFrame,
1132                     bool /* uses_temporary_zoom_level */)
1133
1134 // Sent when the renderer loads a resource from its memory cache.
1135 // The security info is non empty if the resource was originally loaded over
1136 // a secure connection.
1137 // Note: May only be sent once per URL per frame per committed load.
1138 IPC_MESSAGE_ROUTED5(ViewHostMsg_DidLoadResourceFromMemoryCache,
1139                     GURL /* url */,
1140                     std::string  /* security info */,
1141                     std::string  /* http method */,
1142                     std::string  /* mime type */,
1143                     content::ResourceType /* resource type */)
1144
1145 // Sent when the renderer displays insecure content in a secure page.
1146 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDisplayInsecureContent)
1147
1148 // Sent when the renderer runs insecure content in a secure origin.
1149 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidRunInsecureContent,
1150                     std::string  /* security_origin */,
1151                     GURL         /* target URL */)
1152
1153 // Sent to update part of the view.  In response to this message, the host
1154 // generates a ViewMsg_UpdateRect_ACK message.
1155 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
1156                     ViewHostMsg_UpdateRect_Params)
1157
1158 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
1159 IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
1160
1161 // Message sent from renderer to the browser when focus changes inside the
1162 // webpage. The first parameter says whether the newly focused element needs
1163 // keyboard input (true for textfields, text areas and content editable divs).
1164 // The second parameter is the node bounds relative to RenderWidgetHostView.
1165 IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
1166                     bool /* is_editable_node */,
1167                     gfx::Rect /* node_bounds */)
1168
1169 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
1170
1171 // Used to set a cookie. The cookie is set asynchronously, but will be
1172 // available to a subsequent ViewHostMsg_GetCookies request.
1173 IPC_MESSAGE_CONTROL4(ViewHostMsg_SetCookie,
1174                      int /* render_frame_id */,
1175                      GURL /* url */,
1176                      GURL /* first_party_for_cookies */,
1177                      std::string /* cookie */)
1178
1179 // Used to get cookies for the given URL. This may block waiting for a
1180 // previous SetCookie message to be processed.
1181 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_GetCookies,
1182                             int /* render_frame_id */,
1183                             GURL /* url */,
1184                             GURL /* first_party_for_cookies */,
1185                             std::string /* cookies */)
1186
1187 // Used to get raw cookie information for the given URL. This may block
1188 // waiting for a previous SetCookie message to be processed.
1189 IPC_SYNC_MESSAGE_CONTROL2_1(ViewHostMsg_GetRawCookies,
1190                             GURL /* url */,
1191                             GURL /* first_party_for_cookies */,
1192                             std::vector<content::CookieData>
1193                                 /* raw_cookies */)
1194
1195 // Used to delete cookie for the given URL and name
1196 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_DeleteCookie,
1197                             GURL /* url */,
1198                             std::string /* cookie_name */)
1199
1200 // Used to check if cookies are enabled for the given URL. This may block
1201 // waiting for a previous SetCookie message to be processed.
1202 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_CookiesEnabled,
1203                             int /* render_frame_id */,
1204                             GURL /* url */,
1205                             GURL /* first_party_for_cookies */,
1206                             bool /* cookies_enabled */)
1207
1208 // Used to get the list of plugins
1209 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
1210     bool /* refresh*/,
1211     std::vector<content::WebPluginInfo> /* plugins */)
1212
1213 #if defined(OS_WIN)
1214 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowCreated,
1215                     gfx::NativeViewId /* dummy_activation_window */)
1216
1217 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
1218                     gfx::NativeViewId /* dummy_activation_window */)
1219
1220 // Asks the browser for the user's monitor profile.
1221 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetMonitorColorProfile,
1222                             std::vector<char> /* profile */)
1223 #endif
1224
1225 // Get the list of proxies to use for |url|, as a semicolon delimited list
1226 // of "<TYPE> <HOST>:<PORT>" | "DIRECT".
1227 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
1228                             GURL /* url */,
1229                             bool /* result */,
1230                             std::string /* proxy list */)
1231
1232 // A renderer sends this to the browser process when it wants to create a
1233 // worker.  The browser will create the worker process if necessary, and
1234 // will return the route id on success.  On error returns MSG_ROUTING_NONE.
1235 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
1236                             ViewHostMsg_CreateWorker_Params,
1237                             int /* route_id */)
1238
1239 // A renderer sends this to the browser process when a document has been
1240 // detached. The browser will use this to constrain the lifecycle of worker
1241 // processes (SharedWorkers are shut down when their last associated document
1242 // is detached).
1243 IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
1244                      uint64 /* document_id */)
1245
1246 // Wraps an IPC message that's destined to the worker on the renderer->browser
1247 // hop.
1248 IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
1249                      IPC::Message /* message */)
1250
1251 // Tells the browser that a specific Appcache manifest in the current page
1252 // was accessed.
1253 IPC_MESSAGE_ROUTED2(ViewHostMsg_AppCacheAccessed,
1254                     GURL /* manifest url */,
1255                     bool /* blocked by policy */)
1256
1257 // Initiates a download based on user actions like 'ALT+click'.
1258 IPC_MESSAGE_CONTROL4(ViewHostMsg_DownloadUrl,
1259                      int /* render_view_id */,
1260                      GURL /* url */,
1261                      content::Referrer /* referrer */,
1262                      base::string16 /* suggested_name */)
1263
1264 // Used to go to the session history entry at the given offset (ie, -1 will
1265 // return the "back" item).
1266 IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
1267                     int /* offset (from current) of history item to get */)
1268
1269 // Sent from an inactive renderer for the browser to route to the active
1270 // renderer, instructing it to close.
1271 IPC_MESSAGE_ROUTED0(ViewHostMsg_RouteCloseEvent)
1272
1273 // Sent to the browser from an inactive renderer to post a message to the
1274 // active renderer.
1275 IPC_MESSAGE_ROUTED1(ViewHostMsg_RouteMessageEvent,
1276                     ViewMsg_PostMessage_Params)
1277
1278 // Notifies that the preferred size of the content changed.
1279 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
1280                     gfx::Size /* pref_size */)
1281
1282 // Notifies whether there are JavaScript touch event handlers or not.
1283 IPC_MESSAGE_ROUTED1(ViewHostMsg_HasTouchEventHandlers,
1284                     bool /* has_handlers */)
1285
1286 // A message from HTML-based UI.  When (trusted) Javascript calls
1287 // send(message, args), this message is sent to the browser.
1288 IPC_MESSAGE_ROUTED3(ViewHostMsg_WebUISend,
1289                     GURL /* source_url */,
1290                     std::string  /* message */,
1291                     base::ListValue /* args */)
1292
1293 #if defined(ENABLE_PLUGINS)
1294 // A renderer sends this to the browser process when it wants to create a ppapi
1295 // plugin.  The browser will create the plugin process if necessary, and will
1296 // return a handle to the channel on success.
1297 //
1298 // The plugin_child_id is the ChildProcessHost ID assigned in the browser
1299 // process. This ID is valid only in the context of the browser process and is
1300 // used to identify the proper process when the renderer notifies it that the
1301 // plugin is hung.
1302 //
1303 // On error an empty string and null handles are returned.
1304 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_OpenChannelToPepperPlugin,
1305                             base::FilePath /* path */,
1306                             IPC::ChannelHandle /* handle to channel */,
1307                             base::ProcessId /* plugin_pid */,
1308                             int /* plugin_child_id */)
1309
1310 // Notification that a plugin has created a new plugin instance. The parameters
1311 // indicate:
1312 // -The plugin process ID that we're creating the instance for.
1313 // -The instance ID of the instance being created.
1314 // -A PepperRendererInstanceData struct which contains properties from the
1315 // renderer which are associated with the plugin instance. This includes the
1316 // routing ID of the associated render view and the URL of plugin.
1317 // -Whether the plugin we're creating an instance for is external or internal.
1318 //
1319 // This message must be sync even though it returns no parameters to avoid
1320 // a race condition with the plugin process. The plugin process sends messages
1321 // to the browser that assume the browser knows about the instance. We need to
1322 // make sure that the browser actually knows about the instance before we tell
1323 // the plugin to run.
1324 IPC_SYNC_MESSAGE_CONTROL4_0(
1325     ViewHostMsg_DidCreateOutOfProcessPepperInstance,
1326     int /* plugin_child_id */,
1327     int32 /* pp_instance */,
1328     content::PepperRendererInstanceData /* creation_data */,
1329     bool /* is_external */)
1330
1331 // Notification that a plugin has destroyed an instance. This is the opposite of
1332 // the "DidCreate" message above.
1333 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
1334                      int /* plugin_child_id */,
1335                      int32 /* pp_instance */,
1336                      bool /* is_external */)
1337
1338 // Message from the renderer to the browser indicating the in-process instance
1339 // has been created.
1340 IPC_MESSAGE_CONTROL2(ViewHostMsg_DidCreateInProcessInstance,
1341                      int32 /* instance */,
1342                      content::PepperRendererInstanceData /* instance_data */)
1343
1344 // Message from the renderer to the browser indicating the in-process instance
1345 // has been destroyed.
1346 IPC_MESSAGE_CONTROL1(ViewHostMsg_DidDeleteInProcessInstance,
1347                      int32 /* instance */)
1348
1349 // A renderer sends this to the browser process when it wants to
1350 // create a ppapi broker.  The browser will create the broker process
1351 // if necessary, and will return a handle to the channel on success.
1352 // On error an empty string is returned.
1353 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
1354 IPC_MESSAGE_CONTROL2(ViewHostMsg_OpenChannelToPpapiBroker,
1355                      int /* routing_id */,
1356                      base::FilePath /* path */)
1357
1358 // A renderer sends this to the browser process when it wants to access a PPAPI
1359 // broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
1360 // for every connection.
1361 // The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
1362 IPC_MESSAGE_ROUTED3(ViewHostMsg_RequestPpapiBrokerPermission,
1363                     int /* routing_id */,
1364                     GURL /* document_url */,
1365                     base::FilePath /* plugin_path */)
1366 #endif  // defined(ENABLE_PLUGINS)
1367
1368 // Send the tooltip text for the current mouse position to the browser.
1369 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
1370                     base::string16 /* tooltip text string */,
1371                     blink::WebTextDirection /* text direction hint */)
1372
1373 // Notification that the text selection has changed.
1374 // Note: The secound parameter is the character based offset of the
1375 // base::string16
1376 // text in the document.
1377 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
1378                     base::string16 /* text covers the selection range */,
1379                     size_t /* the offset of the text in the document */,
1380                     gfx::Range /* selection range in the document */)
1381
1382 // Notification that the selection bounds have changed.
1383 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
1384                     ViewHostMsg_SelectionBounds_Params)
1385
1386 // Asks the browser to display the file chooser.  The result is returned in a
1387 // ViewMsg_RunFileChooserResponse message.
1388 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
1389                     content::FileChooserParams)
1390
1391 // Asks the browser to enumerate a directory.  This is equivalent to running
1392 // the file chooser in directory-enumeration mode and having the user select
1393 // the given directory.  The result is returned in a
1394 // ViewMsg_EnumerateDirectoryResponse message.
1395 IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
1396                     int /* request_id */,
1397                     base::FilePath /* file_path */)
1398
1399 // Asks the browser to save a image (for <canvas> or <img>) from a data URL.
1400 // Note: |data_url| is the contents of a data:URL, and that it's represented as
1401 // a string only to work around size limitations for GURLs in IPC messages.
1402 IPC_MESSAGE_CONTROL2(ViewHostMsg_SaveImageFromDataURL,
1403                      int /* render_view_id */,
1404                      std::string /* data_url */)
1405
1406 // Tells the browser to move the focus to the next (previous if reverse is
1407 // true) focusable element.
1408 IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus,
1409                     bool /* reverse */)
1410
1411 // Required for opening a date/time dialog
1412 IPC_MESSAGE_ROUTED1(ViewHostMsg_OpenDateTimeDialog,
1413                     ViewHostMsg_DateTimeDialogValue_Params /* value */)
1414
1415 IPC_MESSAGE_ROUTED4(ViewHostMsg_TextInputTypeChanged,
1416                     ui::TextInputType /* TextInputType of the focused node */,
1417                     ui::TextInputMode /* TextInputMode of the focused node */,
1418                     bool /* can_compose_inline in the focused node */,
1419                     int /* flags in the focused node */)
1420
1421 // Required for updating text input state.
1422 IPC_MESSAGE_ROUTED1(ViewHostMsg_TextInputStateChanged,
1423                     ViewHostMsg_TextInputState_Params /* input state params */)
1424
1425 // Sent when the renderer changes the zoom level for a particular url, so the
1426 // browser can update its records.  If the view is a plugin doc, then url is
1427 // used to update the zoom level for all pages in that site.  Otherwise, the
1428 // render view's id is used so that only the menu is updated.
1429 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidZoomURL,
1430                     double /* zoom_level */,
1431                     GURL /* url */)
1432
1433 // Updates the minimum/maximum allowed zoom percent for this tab from the
1434 // default values.  If |remember| is true, then the zoom setting is applied to
1435 // other pages in the site and is saved, otherwise it only applies to this
1436 // tab.
1437 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateZoomLimits,
1438                     int /* minimum_percent */,
1439                     int /* maximum_percent */)
1440
1441 // Notify the browser that this render process can or can't be suddenly
1442 // terminated.
1443 IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
1444                      bool /* enabled */)
1445
1446 IPC_MESSAGE_ROUTED3(
1447     ViewHostMsg_SwapCompositorFrame,
1448     uint32 /* output_surface_id */,
1449     cc::CompositorFrame /* frame */,
1450     std::vector<IPC::Message> /* messages_to_deliver_with_frame */)
1451
1452 // Sent by the compositor when a flinging animation is stopped.
1453 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidStopFlinging)
1454
1455 //---------------------------------------------------------------------------
1456 // Request for cryptographic operation messages:
1457 // These are messages from the renderer to the browser to perform a
1458 // cryptographic operation.
1459
1460 // Asks the browser process to generate a keypair for grabbing a client
1461 // certificate from a CA (<keygen> tag), and returns the signed public
1462 // key and challenge string.
1463 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
1464                             uint32 /* key size index */,
1465                             std::string /* challenge string */,
1466                             GURL /* URL of requestor */,
1467                             std::string /* signed public key and challenge */)
1468
1469 // Message sent from the renderer to the browser to request that the browser
1470 // cache |data| associated with |url|.
1471 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidGenerateCacheableMetadata,
1472                      GURL /* url */,
1473                      double /* expected_response_time */,
1474                      std::vector<char> /* data */)
1475
1476 // Register a new handler for URL requests with the given scheme.
1477 IPC_MESSAGE_ROUTED4(ViewHostMsg_RegisterProtocolHandler,
1478                     std::string /* scheme */,
1479                     GURL /* url */,
1480                     base::string16 /* title */,
1481                     bool /* user_gesture */)
1482
1483 // Unregister the registered handler for URL requests with the given scheme.
1484 IPC_MESSAGE_ROUTED3(ViewHostMsg_UnregisterProtocolHandler,
1485                     std::string /* scheme */,
1486                     GURL /* url */,
1487                     bool /* user_gesture */)
1488
1489 // Send back a string to be recorded by UserMetrics.
1490 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
1491                      std::string /* action */)
1492
1493 // Notifies the browser that the page was or was not saved as MHTML.
1494 IPC_MESSAGE_CONTROL2(ViewHostMsg_SavedPageAsMHTML,
1495                      int /* job_id */,
1496                      int64 /* size of the MHTML file, -1 if error */)
1497
1498 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
1499                     std::vector<GURL> /* all savable resource links */,
1500                     std::vector<content::Referrer> /* all referrers */,
1501                     std::vector<GURL> /* all frame links */)
1502
1503 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
1504                     GURL /* frame's url */,
1505                     std::string /* data buffer */,
1506                     int32 /* complete status */)
1507
1508 // Notifies the browser of an event occurring in the media pipeline.
1509 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvents,
1510                      std::vector<media::MediaLogEvent> /* events */)
1511
1512 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
1513 // being sent back.
1514 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
1515 // pop up a bubble to ask for user permission or take mouse lock content into
1516 // account.
1517 IPC_MESSAGE_ROUTED3(ViewHostMsg_LockMouse,
1518                     bool /* user_gesture */,
1519                     bool /* last_unlocked_by_target */,
1520                     bool /* privileged */)
1521
1522 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
1523 // whenever the mouse is unlocked (which may or may not be caused by
1524 // ViewHostMsg_UnlockMouse).
1525 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
1526
1527 // Notifies that multiple touch targets may have been pressed, and to show
1528 // the disambiguation popup.
1529 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowDisambiguationPopup,
1530                     gfx::Rect, /* Border of touched targets */
1531                     gfx::Size, /* Size of zoomed image */
1532                     cc::SharedBitmapId /* id */)
1533
1534 // Sent by the renderer process to check whether client 3D APIs
1535 // (Pepper 3D, WebGL) are explicitly blocked.
1536 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Are3DAPIsBlocked,
1537                             int /* render_view_id */,
1538                             GURL /* top_origin_url */,
1539                             content::ThreeDAPIType /* requester */,
1540                             bool /* blocked */)
1541
1542 // Sent by the renderer process to indicate that a context was lost by
1543 // client 3D content (Pepper 3D, WebGL) running on the page at the
1544 // given URL.
1545 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidLose3DContext,
1546                      GURL /* top_origin_url */,
1547                      content::ThreeDAPIType /* context_type */,
1548                      int /* arb_robustness_status_code */)
1549
1550 // Notifies the browser that document has parsed the body. This is used by the
1551 // ResourceScheduler as an indication that bandwidth contention won't block
1552 // first paint.
1553 IPC_MESSAGE_ROUTED0(ViewHostMsg_WillInsertBody)
1554
1555 // Notification that the urls for the favicon of a site has been determined.
1556 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFaviconURL,
1557                     std::vector<content::FaviconURL> /* candidates */)
1558
1559 // Message sent from renderer to the browser when the element that is focused
1560 // has been touched. A bool is passed in this message which indicates if the
1561 // node is editable.
1562 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeTouched,
1563                     bool /* editable */)
1564
1565 // Message sent from the renderer to the browser when an HTML form has failed
1566 // validation constraints.
1567 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowValidationMessage,
1568                     gfx::Rect /* anchor rectangle in root view coordinate */,
1569                     base::string16 /* validation message */,
1570                     base::string16 /* supplemental text */)
1571
1572 // Message sent from the renderer to the browser when a HTML form validation
1573 // message should be hidden from view.
1574 IPC_MESSAGE_ROUTED0(ViewHostMsg_HideValidationMessage)
1575
1576 // Message sent from the renderer to the browser when the suggested co-ordinates
1577 // of the anchor for a HTML form validation message have changed.
1578 IPC_MESSAGE_ROUTED1(ViewHostMsg_MoveValidationMessage,
1579                     gfx::Rect /* anchor rectangle in root view coordinate */)
1580
1581 #if defined(OS_ANDROID)
1582 // Response to ViewMsg_FindMatchRects.
1583 //
1584 // |version| will contain the current version number of the renderer's find
1585 // match list (incremented whenever they change), which should be passed in the
1586 // next call to ViewMsg_FindMatchRects.
1587 //
1588 // |rects| will either contain a list of the enclosing rects of all matches
1589 // found by the most recent Find operation, or will be empty if |version| is not
1590 // greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
1591 // your locally cached rects should still be valid). The rect coords will be
1592 // custom normalized fractions of the document size. The rects will be sorted by
1593 // frame traversal order starting in the main frame, then by dom order.
1594 //
1595 // |active_rect| will contain the bounding box of the active find-in-page match
1596 // marker, in similarly normalized coords (or an empty rect if there isn't one).
1597 IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
1598                     int /* version */,
1599                     std::vector<gfx::RectF> /* rects */,
1600                     gfx::RectF /* active_rect */)
1601
1602 // Start an android intent with the given URI.
1603 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
1604                     GURL /* content_url */)
1605
1606 // Message sent when the renderer changed the background color for the view.
1607 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeBodyBackgroundColor,
1608                     uint32  /* bg_color */)
1609
1610 // This message runs the MediaCodec for decoding audio for webaudio.
1611 IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
1612                      base::SharedMemoryHandle /* encoded_data_handle */,
1613                      base::FileDescriptor /* pcm_output */,
1614                      uint32_t /* data_size*/)
1615
1616 // Reply to the ViewMsg_ExtractSmartClipData message.
1617 IPC_MESSAGE_ROUTED3(ViewHostMsg_SmartClipDataExtracted,
1618                     base::string16 /* text */,
1619                     base::string16 /* html */,
1620                     gfx::Rect /* rect */)
1621
1622 // Notifies that an unhandled tap has occurred at the specified x,y position
1623 // and that the UI may need to be triggered.
1624 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowUnhandledTapUIIfNeeded,
1625                     int /* x */,
1626                     int /* y */)
1627
1628 #elif defined(OS_MACOSX)
1629 // Request that the browser load a font into shared memory for us.
1630 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,
1631                            FontDescriptor /* font to load */,
1632                            uint32 /* buffer size */,
1633                            base::SharedMemoryHandle /* font data */,
1634                            uint32 /* font id */)
1635
1636 // Informs the browser that a plugin has gained or lost focus.
1637 IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
1638                     bool, /* focused */
1639                     int /* plugin_id */)
1640
1641 // Instructs the browser to start plugin IME.
1642 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
1643
1644 // Receives content of a web page as plain text.
1645 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
1646
1647 #elif defined(OS_WIN)
1648 // Request that the given font characters be loaded by the browser so it's
1649 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
1650 // for details.
1651 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
1652                             LOGFONT /* font_data */,
1653                             base::string16 /* characters */)
1654 #endif
1655
1656 // Adding a new message? Stick to the sort order above: first platform
1657 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
1658 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.