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/date_time_suggestion.h"
  17 #include "content/common/frame_replication_state.h"
  18 #include "content/common/navigation_gesture.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_file_info.h"
  24 #include "content/public/common/file_chooser_params.h"
  25 #include "content/public/common/menu_item.h"
  26 #include "content/public/common/message_port_types.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/WebDisplayMode.h"
  42 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
  43 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  44 #include "third_party/WebKit/public/platform/WebScreenInfo.h"
  45 #include "third_party/WebKit/public/web/WebDeviceEmulationParams.h"
  46 #include "third_party/WebKit/public/web/WebFindOptions.h"
  47 #include "third_party/WebKit/public/web/WebMediaPlayerAction.h"
  48 #include "third_party/WebKit/public/web/WebPluginAction.h"
  49 #include "third_party/WebKit/public/web/WebPopupType.h"
  50 #include "third_party/WebKit/public/web/WebTextDirection.h"
  51 #include "third_party/skia/include/core/SkBitmap.h"
  52 #include "ui/base/ime/text_input_mode.h"
  53 #include "ui/base/ime/text_input_type.h"
  54 #include "ui/base/ui_base_types.h"
  55 #include "ui/gfx/geometry/point.h"
  56 #include "ui/gfx/geometry/rect.h"
  57 #include "ui/gfx/geometry/rect_f.h"
  58 #include "ui/gfx/geometry/vector2d.h"
  59 #include "ui/gfx/geometry/vector2d_f.h"
  60 #include "ui/gfx/ipc/gfx_param_traits.h"
  61 #include "ui/gfx/range/range.h"
  62
  63 #if defined(OS_MACOSX)
  64 #include "content/common/mac/font_descriptor.h"
  65 #include "third_party/WebKit/public/web/mac/WebScrollbarTheme.h"
  66 #endif
  67
  68 #if defined(ENABLE_PLUGINS)
  69 #include "content/common/pepper_renderer_instance_data.h"
  70 #endif
  71
  72 #undef IPC_MESSAGE_EXPORT
  73 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT
  74
  75 #define IPC_MESSAGE_START ViewMsgStart
  76
  77 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebDeviceEmulationParams::ScreenPosition,
  78                           blink::WebDeviceEmulationParams::ScreenPositionLast)
  79 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebMediaPlayerAction::Type,
  80                           blink::WebMediaPlayerAction::Type::TypeLast)
  81 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPluginAction::Type,
  82                           blink::WebPluginAction::Type::TypeLast)
  83 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebPopupType,
  84                           blink::WebPopupType::WebPopupTypeLast)
  85 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebTextDirection,
  86                           blink::WebTextDirection::WebTextDirectionLast)
  87 IPC_ENUM_TRAITS_MAX_VALUE(blink::WebDisplayMode,
  88                           blink::WebDisplayMode::WebDisplayModeLast)
  89 IPC_ENUM_TRAITS_MAX_VALUE(WindowContainerType, WINDOW_CONTAINER_TYPE_MAX_VALUE)
  90 IPC_ENUM_TRAITS(content::FaviconURL::IconType)
  91 IPC_ENUM_TRAITS(content::FileChooserParams::Mode)
  92 IPC_ENUM_TRAITS(content::MenuItem::Type)
  93 IPC_ENUM_TRAITS_MAX_VALUE(content::NavigationGesture,
  94                           content::NavigationGestureLast)
  95 IPC_ENUM_TRAITS_MIN_MAX_VALUE(content::PageZoom,
  96                               content::PageZoom::PAGE_ZOOM_OUT,
  97                               content::PageZoom::PAGE_ZOOM_IN)
  98 IPC_ENUM_TRAITS_MAX_VALUE(gfx::FontRenderParams::Hinting,
  99                           gfx::FontRenderParams::HINTING_MAX)
 100 IPC_ENUM_TRAITS_MAX_VALUE(gfx::FontRenderParams::SubpixelRendering,
 101                           gfx::FontRenderParams::SUBPIXEL_RENDERING_MAX)
 102 IPC_ENUM_TRAITS_MAX_VALUE(content::TapMultipleTargetsStrategy,
 103                           content::TAP_MULTIPLE_TARGETS_STRATEGY_MAX)
 104 IPC_ENUM_TRAITS_MAX_VALUE(content::StopFindAction,
 105                           content::STOP_FIND_ACTION_LAST)
 106 IPC_ENUM_TRAITS_MAX_VALUE(content::ThreeDAPIType,
 107                           content::THREE_D_API_TYPE_LAST)
 108 IPC_ENUM_TRAITS_MAX_VALUE(media::ChannelLayout, media::CHANNEL_LAYOUT_MAX - 1)
 109 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaLogEvent::Type,
 110                           media::MediaLogEvent::TYPE_LAST)
 111 IPC_ENUM_TRAITS_MAX_VALUE(ui::TextInputMode, ui::TEXT_INPUT_MODE_MAX)
 112 IPC_ENUM_TRAITS_MAX_VALUE(ui::TextInputType, ui::TEXT_INPUT_TYPE_MAX)
 113
 114 #if defined(OS_MACOSX)
 115 IPC_STRUCT_TRAITS_BEGIN(FontDescriptor)
 116   IPC_STRUCT_TRAITS_MEMBER(font_name)
 117   IPC_STRUCT_TRAITS_MEMBER(font_point_size)
 118 IPC_STRUCT_TRAITS_END()
 119 #endif
 120
 121 IPC_STRUCT_TRAITS_BEGIN(blink::WebFindOptions)
 122   IPC_STRUCT_TRAITS_MEMBER(forward)
 123   IPC_STRUCT_TRAITS_MEMBER(matchCase)
 124   IPC_STRUCT_TRAITS_MEMBER(findNext)
 125 IPC_STRUCT_TRAITS_END()
 126
 127 IPC_STRUCT_TRAITS_BEGIN(blink::WebMediaPlayerAction)
 128   IPC_STRUCT_TRAITS_MEMBER(type)
 129   IPC_STRUCT_TRAITS_MEMBER(enable)
 130 IPC_STRUCT_TRAITS_END()
 131
 132 IPC_STRUCT_TRAITS_BEGIN(blink::WebPluginAction)
 133   IPC_STRUCT_TRAITS_MEMBER(type)
 134   IPC_STRUCT_TRAITS_MEMBER(enable)
 135 IPC_STRUCT_TRAITS_END()
 136
 137 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatPoint)
 138   IPC_STRUCT_TRAITS_MEMBER(x)
 139   IPC_STRUCT_TRAITS_MEMBER(y)
 140 IPC_STRUCT_TRAITS_END()
 141
 142 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatRect)
 143   IPC_STRUCT_TRAITS_MEMBER(x)
 144   IPC_STRUCT_TRAITS_MEMBER(y)
 145   IPC_STRUCT_TRAITS_MEMBER(width)
 146   IPC_STRUCT_TRAITS_MEMBER(height)
 147 IPC_STRUCT_TRAITS_END()
 148
 149 IPC_STRUCT_TRAITS_BEGIN(blink::WebSize)
 150   IPC_STRUCT_TRAITS_MEMBER(width)
 151   IPC_STRUCT_TRAITS_MEMBER(height)
 152 IPC_STRUCT_TRAITS_END()
 153
 154 IPC_STRUCT_TRAITS_BEGIN(blink::WebDeviceEmulationParams)
 155   IPC_STRUCT_TRAITS_MEMBER(screenPosition)
 156   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 157   IPC_STRUCT_TRAITS_MEMBER(viewSize)
 158   IPC_STRUCT_TRAITS_MEMBER(fitToView)
 159   IPC_STRUCT_TRAITS_MEMBER(offset)
 160   IPC_STRUCT_TRAITS_MEMBER(scale)
 161 IPC_STRUCT_TRAITS_END()
 162
 163 IPC_STRUCT_TRAITS_BEGIN(blink::WebScreenInfo)
 164   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 165   IPC_STRUCT_TRAITS_MEMBER(depth)
 166   IPC_STRUCT_TRAITS_MEMBER(depthPerComponent)
 167   IPC_STRUCT_TRAITS_MEMBER(isMonochrome)
 168   IPC_STRUCT_TRAITS_MEMBER(rect)
 169   IPC_STRUCT_TRAITS_MEMBER(availableRect)
 170   IPC_STRUCT_TRAITS_MEMBER(orientationType)
 171   IPC_STRUCT_TRAITS_MEMBER(orientationAngle)
 172 IPC_STRUCT_TRAITS_END()
 173
 174 IPC_STRUCT_TRAITS_BEGIN(content::MenuItem)
 175   IPC_STRUCT_TRAITS_MEMBER(label)
 176   IPC_STRUCT_TRAITS_MEMBER(tool_tip)
 177   IPC_STRUCT_TRAITS_MEMBER(type)
 178   IPC_STRUCT_TRAITS_MEMBER(action)
 179   IPC_STRUCT_TRAITS_MEMBER(rtl)
 180   IPC_STRUCT_TRAITS_MEMBER(has_directional_override)
 181   IPC_STRUCT_TRAITS_MEMBER(enabled)
 182   IPC_STRUCT_TRAITS_MEMBER(checked)
 183   IPC_STRUCT_TRAITS_MEMBER(submenu)
 184 IPC_STRUCT_TRAITS_END()
 185
 186 IPC_STRUCT_TRAITS_BEGIN(content::DateTimeSuggestion)
 187   IPC_STRUCT_TRAITS_MEMBER(value)
 188   IPC_STRUCT_TRAITS_MEMBER(localized_value)
 189   IPC_STRUCT_TRAITS_MEMBER(label)
 190 IPC_STRUCT_TRAITS_END()
 191
 192 IPC_STRUCT_TRAITS_BEGIN(content::FaviconURL)
 193   IPC_STRUCT_TRAITS_MEMBER(icon_url)
 194   IPC_STRUCT_TRAITS_MEMBER(icon_type)
 195   IPC_STRUCT_TRAITS_MEMBER(icon_sizes)
 196 IPC_STRUCT_TRAITS_END()
 197
 198 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserFileInfo)
 199   IPC_STRUCT_TRAITS_MEMBER(file_path)
 200   IPC_STRUCT_TRAITS_MEMBER(display_name)
 201   IPC_STRUCT_TRAITS_MEMBER(file_system_url)
 202   IPC_STRUCT_TRAITS_MEMBER(modification_time)
 203   IPC_STRUCT_TRAITS_MEMBER(length)
 204   IPC_STRUCT_TRAITS_MEMBER(is_directory)
 205 IPC_STRUCT_TRAITS_END()
 206
 207 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserParams)
 208   IPC_STRUCT_TRAITS_MEMBER(mode)
 209   IPC_STRUCT_TRAITS_MEMBER(title)
 210   IPC_STRUCT_TRAITS_MEMBER(default_file_name)
 211   IPC_STRUCT_TRAITS_MEMBER(accept_types)
 212   IPC_STRUCT_TRAITS_MEMBER(need_local_path)
 213 #if defined(OS_ANDROID)
 214   IPC_STRUCT_TRAITS_MEMBER(capture)
 215 #endif
 216 IPC_STRUCT_TRAITS_END()
 217
 218 #if defined(ENABLE_PLUGINS)
 219 IPC_STRUCT_TRAITS_BEGIN(content::PepperRendererInstanceData)
 220   IPC_STRUCT_TRAITS_MEMBER(render_process_id)
 221   IPC_STRUCT_TRAITS_MEMBER(render_frame_id)
 222   IPC_STRUCT_TRAITS_MEMBER(document_url)
 223   IPC_STRUCT_TRAITS_MEMBER(plugin_url)
 224 IPC_STRUCT_TRAITS_END()
 225 #endif
 226
 227 IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
 228   IPC_STRUCT_TRAITS_MEMBER(can_accept_load_drops)
 229   IPC_STRUCT_TRAITS_MEMBER(should_antialias_text)
 230   IPC_STRUCT_TRAITS_MEMBER(hinting)
 231   IPC_STRUCT_TRAITS_MEMBER(use_autohinter)
 232   IPC_STRUCT_TRAITS_MEMBER(use_bitmaps)
 233   IPC_STRUCT_TRAITS_MEMBER(subpixel_rendering)
 234   IPC_STRUCT_TRAITS_MEMBER(use_subpixel_positioning)
 235   IPC_STRUCT_TRAITS_MEMBER(focus_ring_color)
 236   IPC_STRUCT_TRAITS_MEMBER(thumb_active_color)
 237   IPC_STRUCT_TRAITS_MEMBER(thumb_inactive_color)
 238   IPC_STRUCT_TRAITS_MEMBER(track_color)
 239   IPC_STRUCT_TRAITS_MEMBER(active_selection_bg_color)
 240   IPC_STRUCT_TRAITS_MEMBER(active_selection_fg_color)
 241   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_bg_color)
 242   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_fg_color)
 243   IPC_STRUCT_TRAITS_MEMBER(browser_handles_non_local_top_level_requests)
 244   IPC_STRUCT_TRAITS_MEMBER(browser_handles_all_top_level_requests)
 245   IPC_STRUCT_TRAITS_MEMBER(caret_blink_interval)
 246   IPC_STRUCT_TRAITS_MEMBER(use_custom_colors)
 247   IPC_STRUCT_TRAITS_MEMBER(enable_referrers)
 248   IPC_STRUCT_TRAITS_MEMBER(enable_do_not_track)
 249   IPC_STRUCT_TRAITS_MEMBER(enable_webrtc_multiple_routes)
 250   IPC_STRUCT_TRAITS_MEMBER(default_zoom_level)
 251   IPC_STRUCT_TRAITS_MEMBER(user_agent_override)
 252   IPC_STRUCT_TRAITS_MEMBER(accept_languages)
 253   IPC_STRUCT_TRAITS_MEMBER(report_frame_name_changes)
 254   IPC_STRUCT_TRAITS_MEMBER(tap_multiple_targets_strategy)
 255   IPC_STRUCT_TRAITS_MEMBER(disable_client_blocked_error_page)
 256   IPC_STRUCT_TRAITS_MEMBER(plugin_fullscreen_allowed)
 257   IPC_STRUCT_TRAITS_MEMBER(use_video_overlay_for_embedded_encrypted_video)
 258   IPC_STRUCT_TRAITS_MEMBER(use_view_overlay_for_all_video)
 259   IPC_STRUCT_TRAITS_MEMBER(network_contry_iso)
 260 #if defined(OS_WIN)
 261   IPC_STRUCT_TRAITS_MEMBER(caption_font_family_name)
 262   IPC_STRUCT_TRAITS_MEMBER(caption_font_height)
 263   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_family_name)
 264   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_height)
 265   IPC_STRUCT_TRAITS_MEMBER(menu_font_family_name)
 266   IPC_STRUCT_TRAITS_MEMBER(menu_font_height)
 267   IPC_STRUCT_TRAITS_MEMBER(status_font_family_name)
 268   IPC_STRUCT_TRAITS_MEMBER(status_font_height)
 269   IPC_STRUCT_TRAITS_MEMBER(message_font_family_name)
 270   IPC_STRUCT_TRAITS_MEMBER(message_font_height)
 271   IPC_STRUCT_TRAITS_MEMBER(vertical_scroll_bar_width_in_dips)
 272   IPC_STRUCT_TRAITS_MEMBER(horizontal_scroll_bar_height_in_dips)
 273   IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_height_vertical_scroll_bar_in_dips)
 274   IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_width_horizontal_scroll_bar_in_dips)
 275 #endif
 276 IPC_STRUCT_TRAITS_END()
 277
 278 IPC_STRUCT_TRAITS_BEGIN(content::WebPluginGeometry)
 279   IPC_STRUCT_TRAITS_MEMBER(window)
 280   IPC_STRUCT_TRAITS_MEMBER(window_rect)
 281   IPC_STRUCT_TRAITS_MEMBER(clip_rect)
 282   IPC_STRUCT_TRAITS_MEMBER(cutout_rects)
 283   IPC_STRUCT_TRAITS_MEMBER(rects_valid)
 284   IPC_STRUCT_TRAITS_MEMBER(visible)
 285 IPC_STRUCT_TRAITS_END()
 286
 287 IPC_STRUCT_TRAITS_BEGIN(media::MediaLogEvent)
 288   IPC_STRUCT_TRAITS_MEMBER(id)
 289   IPC_STRUCT_TRAITS_MEMBER(type)
 290   IPC_STRUCT_TRAITS_MEMBER(params)
 291   IPC_STRUCT_TRAITS_MEMBER(time)
 292 IPC_STRUCT_TRAITS_END()
 293
 294 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWindow_Params)
 295   // Routing ID of the view initiating the open.
 296   IPC_STRUCT_MEMBER(int, opener_id)
 297
 298   // True if this open request came in the context of a user gesture.
 299   IPC_STRUCT_MEMBER(bool, user_gesture)
 300
 301   // Type of window requested.
 302   IPC_STRUCT_MEMBER(WindowContainerType, window_container_type)
 303
 304   // The session storage namespace ID this view should use.
 305   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 306
 307   // The name of the resulting frame that should be created (empty if none
 308   // has been specified).
 309   IPC_STRUCT_MEMBER(base::string16, frame_name)
 310
 311   // The routing id of the frame initiating the open.
 312   IPC_STRUCT_MEMBER(int, opener_render_frame_id)
 313
 314   // The URL of the frame initiating the open.
 315   IPC_STRUCT_MEMBER(GURL, opener_url)
 316
 317   // The URL of the top frame containing the opener.
 318   IPC_STRUCT_MEMBER(GURL, opener_top_level_frame_url)
 319
 320   // The security origin of the frame initiating the open.
 321   IPC_STRUCT_MEMBER(GURL, opener_security_origin)
 322
 323   // Whether the opener will be suppressed in the new window, in which case
 324   // scripting the new window is not allowed.
 325   IPC_STRUCT_MEMBER(bool, opener_suppressed)
 326
 327   // Whether the window should be opened in the foreground, background, etc.
 328   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
 329
 330   // The URL that will be loaded in the new window (empty if none has been
 331   // sepcified).
 332   IPC_STRUCT_MEMBER(GURL, target_url)
 333
 334   // The referrer that will be used to load |target_url| (empty if none has
 335   // been specified).
 336   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 337
 338   // The window features to use for the new view.
 339   IPC_STRUCT_MEMBER(blink::WebWindowFeatures, features)
 340
 341   // The additional window features to use for the new view. We pass these
 342   // separately from |features| above because we cannot serialize WebStrings
 343   // over IPC.
 344   IPC_STRUCT_MEMBER(std::vector<base::string16>, additional_features)
 345 IPC_STRUCT_END()
 346
 347 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWorker_Params)
 348   // URL for the worker script.
 349   IPC_STRUCT_MEMBER(GURL, url)
 350
 351   // Name for a SharedWorker, otherwise empty string.
 352   IPC_STRUCT_MEMBER(base::string16, name)
 353
 354   // Security policy used in the worker.
 355   IPC_STRUCT_MEMBER(base::string16, content_security_policy)
 356
 357   // Security policy type used in the worker.
 358   IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType, security_policy_type)
 359
 360   // The ID of the parent document (unique within parent renderer).
 361   IPC_STRUCT_MEMBER(unsigned long long, document_id)
 362
 363   // RenderFrame routing id used to send messages back to the parent.
 364   IPC_STRUCT_MEMBER(int, render_frame_route_id)
 365 IPC_STRUCT_END()
 366
 367 IPC_STRUCT_BEGIN(ViewHostMsg_DateTimeDialogValue_Params)
 368   IPC_STRUCT_MEMBER(ui::TextInputType, dialog_type)
 369   IPC_STRUCT_MEMBER(double, dialog_value)
 370   IPC_STRUCT_MEMBER(double, minimum)
 371   IPC_STRUCT_MEMBER(double, maximum)
 372   IPC_STRUCT_MEMBER(double, step)
 373   IPC_STRUCT_MEMBER(std::vector<content::DateTimeSuggestion>, suggestions)
 374 IPC_STRUCT_END()
 375
 376 IPC_STRUCT_BEGIN(ViewHostMsg_SelectionBounds_Params)
 377   IPC_STRUCT_MEMBER(gfx::Rect, anchor_rect)
 378   IPC_STRUCT_MEMBER(blink::WebTextDirection, anchor_dir)
 379   IPC_STRUCT_MEMBER(gfx::Rect, focus_rect)
 380   IPC_STRUCT_MEMBER(blink::WebTextDirection, focus_dir)
 381   IPC_STRUCT_MEMBER(bool, is_anchor_first)
 382 IPC_STRUCT_END()
 383
 384 IPC_STRUCT_BEGIN(ViewHostMsg_TextInputState_Params)
 385   // The type of input field
 386   IPC_STRUCT_MEMBER(ui::TextInputType, type)
 387
 388   // The flags of the input field (autocorrect, autocomplete, etc.)
 389   IPC_STRUCT_MEMBER(int, flags)
 390
 391   // The value of the input field
 392   IPC_STRUCT_MEMBER(std::string, value)
 393
 394   // The cursor position of the current selection start, or the caret position
 395   // if nothing is selected
 396   IPC_STRUCT_MEMBER(int, selection_start)
 397
 398   // The cursor position of the current selection end, or the caret position
 399   // if nothing is selected
 400   IPC_STRUCT_MEMBER(int, selection_end)
 401
 402   // The start position of the current composition, or -1 if there is none
 403   IPC_STRUCT_MEMBER(int, composition_start)
 404
 405   // The end position of the current composition, or -1 if there is none
 406   IPC_STRUCT_MEMBER(int, composition_end)
 407
 408   // Whether or not inline composition can be performed for the current input.
 409   IPC_STRUCT_MEMBER(bool, can_compose_inline)
 410
 411   // Whether or not the IME should be shown as a result of this update. Even if
 412   // true, the IME will only be shown if the type is appropriate (e.g. not
 413   // TEXT_INPUT_TYPE_NONE).
 414   IPC_STRUCT_MEMBER(bool, show_ime_if_needed)
 415
 416   // Whether this change is originated from non-IME (e.g. Javascript, Autofill).
 417   IPC_STRUCT_MEMBER(bool, is_non_ime_change)
 418 IPC_STRUCT_END()
 419
 420 IPC_STRUCT_BEGIN(ViewHostMsg_UpdateRect_Params)
 421   // The size of the RenderView when this message was generated.  This is
 422   // included so the host knows how large the view is from the perspective of
 423   // the renderer process.  This is necessary in case a resize operation is in
 424   // progress. If auto-resize is enabled, this should update the corresponding
 425   // view size.
 426   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 427
 428   // New window locations for plugin child windows.
 429   IPC_STRUCT_MEMBER(std::vector<content::WebPluginGeometry>,
 430                     plugin_window_moves)
 431
 432   // The following describes the various bits that may be set in flags:
 433   //
 434   //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
 435   //     Indicates that this is a response to a ViewMsg_Resize message.
 436   //
 437   //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
 438   //     Indicates that this is a response to a ViewMsg_Repaint message.
 439   //
 440   // If flags is zero, then this message corresponds to an unsolicited paint
 441   // request by the render view.  Any of the above bits may be set in flags,
 442   // which would indicate that this paint message is an ACK for multiple
 443   // request messages.
 444   IPC_STRUCT_MEMBER(int, flags)
 445 IPC_STRUCT_END()
 446
 447 IPC_STRUCT_BEGIN(ViewMsg_Resize_Params)
 448   // Information about the screen (dpi, depth, etc..).
 449   IPC_STRUCT_MEMBER(blink::WebScreenInfo, screen_info)
 450   // The size of the renderer.
 451   IPC_STRUCT_MEMBER(gfx::Size, new_size)
 452   // The size of the view's backing surface in non-DPI-adjusted pixels.
 453   IPC_STRUCT_MEMBER(gfx::Size, physical_backing_size)
 454   // Whether or not Blink's viewport size should be shrunk by the height of the
 455   // URL-bar (always false on platforms where URL-bar hiding isn't supported).
 456   IPC_STRUCT_MEMBER(bool, top_controls_shrink_blink_size)
 457   // The height of the top controls (always 0 on platforms where URL-bar hiding
 458   // isn't supported).
 459   IPC_STRUCT_MEMBER(float, top_controls_height)
 460   // The size of the visible viewport, which may be smaller than the view if the
 461   // view is partially occluded (e.g. by a virtual keyboard).  The size is in
 462   // DPI-adjusted pixels.
 463   IPC_STRUCT_MEMBER(gfx::Size, visible_viewport_size)
 464   // The resizer rect.
 465   IPC_STRUCT_MEMBER(gfx::Rect, resizer_rect)
 466   // Indicates whether tab-initiated fullscreen was granted.
 467   IPC_STRUCT_MEMBER(bool, is_fullscreen_granted)
 468   // The display mode.
 469   IPC_STRUCT_MEMBER(blink::WebDisplayMode, display_mode)
 470   // If set, requests the renderer to reply with a ViewHostMsg_UpdateRect
 471   // with the ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK bit set in flags.
 472   IPC_STRUCT_MEMBER(bool, needs_resize_ack)
 473 IPC_STRUCT_END()
 474
 475 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
 476   // Renderer-wide preferences.
 477   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 478
 479   // Preferences for this view.
 480   IPC_STRUCT_MEMBER(content::WebPreferences, web_preferences)
 481
 482   // The ID of the view to be created.
 483   IPC_STRUCT_MEMBER(int32, view_id)
 484
 485   // The ID of the main frame hosted in the view.
 486   IPC_STRUCT_MEMBER(int32, main_frame_routing_id)
 487
 488   // The ID of the rendering surface.
 489   IPC_STRUCT_MEMBER(int32, surface_id)
 490
 491   // The session storage namespace ID this view should use.
 492   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 493
 494   // The name of the frame associated with this view (or empty if none).
 495   IPC_STRUCT_MEMBER(base::string16, frame_name)
 496
 497   // The route ID of the opener RenderView if we need to set one
 498   // (MSG_ROUTING_NONE otherwise).
 499   IPC_STRUCT_MEMBER(int, opener_route_id)
 500
 501   // Whether the RenderView should initially be swapped out.
 502   IPC_STRUCT_MEMBER(bool, swapped_out)
 503
 504   // In --site-per-process mode, if this view is |swapped_out|, its main frame
 505   // will become a RenderFrameProxy.  |replicated_frame_state| is used to
 506   // replicate information such as security origin to that RenderFrameProxy.
 507   IPC_STRUCT_MEMBER(content::FrameReplicationState, replicated_frame_state)
 508
 509   // The ID of the proxy object for the main frame in this view. It is only
 510   // used if |swapped_out| is true.
 511   IPC_STRUCT_MEMBER(int32, proxy_routing_id)
 512
 513   // Whether the RenderView should initially be hidden.
 514   IPC_STRUCT_MEMBER(bool, hidden)
 515
 516   // Whether the RenderView will never be visible.
 517   IPC_STRUCT_MEMBER(bool, never_visible)
 518
 519   // Whether the window associated with this view was created with an opener.
 520   IPC_STRUCT_MEMBER(bool, window_was_created_with_opener)
 521
 522   // The initial page ID to use for this view, which must be larger than any
 523   // existing navigation that might be loaded in the view.  Page IDs are unique
 524   // to a view and are only updated by the renderer after this initial value.
 525   IPC_STRUCT_MEMBER(int32, next_page_id)
 526
 527   // The initial renderer size.
 528   IPC_STRUCT_MEMBER(ViewMsg_Resize_Params, initial_size)
 529
 530   // Whether to enable auto-resize.
 531   IPC_STRUCT_MEMBER(bool, enable_auto_resize)
 532
 533   // The minimum size to layout the page if auto-resize is enabled.
 534   IPC_STRUCT_MEMBER(gfx::Size, min_size)
 535
 536   // The maximum size to layout the page if auto-resize is enabled.
 537   IPC_STRUCT_MEMBER(gfx::Size, max_size)
 538 IPC_STRUCT_END()
 539
 540 // Messages sent from the browser to the renderer.
 541
 542 #if defined(OS_ANDROID)
 543 // Tells the renderer to cancel an opened date/time dialog.
 544 IPC_MESSAGE_ROUTED0(ViewMsg_CancelDateTimeDialog)
 545
 546 // Replaces a date time input field.
 547 IPC_MESSAGE_ROUTED1(ViewMsg_ReplaceDateTime,
 548                     double /* dialog_value */)
 549
 550 #endif
 551
 552 // Get all savable resource links from current webpage, include main
 553 // frame and sub-frame.
 554 IPC_MESSAGE_ROUTED1(ViewMsg_GetAllSavableResourceLinksForCurrentPage,
 555                     GURL /* url of page which is needed to save */)
 556
 557 // Get html data by serializing all frames of current page with lists
 558 // which contain all resource links that have local copy.
 559 IPC_MESSAGE_ROUTED3(ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks,
 560                     std::vector<GURL> /* urls that have local copy */,
 561                     std::vector<base::FilePath> /* paths of local copy */,
 562                     base::FilePath /* local directory path */)
 563
 564 // Tells the render side that a ViewHostMsg_LockMouse message has been
 565 // processed. |succeeded| indicates whether the mouse has been successfully
 566 // locked or not.
 567 IPC_MESSAGE_ROUTED1(ViewMsg_LockMouse_ACK,
 568                     bool /* succeeded */)
 569 // Tells the render side that the mouse has been unlocked.
 570 IPC_MESSAGE_ROUTED0(ViewMsg_MouseLockLost)
 571
 572 // Sent by the browser when the parameters for vsync alignment have changed.
 573 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateVSyncParameters,
 574                     base::TimeTicks /* timebase */,
 575                     base::TimeDelta /* interval */)
 576
 577 // Sent when the history is altered outside of navigation. The history list was
 578 // reset to |history_length| length, and the offset was reset to be
 579 // |history_offset|.
 580 IPC_MESSAGE_ROUTED2(ViewMsg_SetHistoryOffsetAndLength,
 581                     int /* history_offset */,
 582                     int /* history_length */)
 583
 584 // Tells the renderer to create a new view.
 585 // This message is slightly different, the view it takes (via
 586 // ViewMsg_New_Params) is the view to create, the message itself is sent as a
 587 // non-view control message.
 588 IPC_MESSAGE_CONTROL1(ViewMsg_New,
 589                      ViewMsg_New_Params)
 590
 591 // Reply in response to ViewHostMsg_ShowView or ViewHostMsg_ShowWidget.
 592 // similar to the new command, but used when the renderer created a view
 593 // first, and we need to update it.
 594 IPC_MESSAGE_ROUTED0(ViewMsg_CreatingNew_ACK)
 595
 596 // Sends updated preferences to the renderer.
 597 IPC_MESSAGE_ROUTED1(ViewMsg_SetRendererPrefs,
 598                     content::RendererPreferences)
 599
 600 // This passes a set of webkit preferences down to the renderer.
 601 IPC_MESSAGE_ROUTED1(ViewMsg_UpdateWebPreferences,
 602                     content::WebPreferences)
 603
 604 // Informs the renderer that the timezone has changed.
 605 IPC_MESSAGE_CONTROL0(ViewMsg_TimezoneChange)
 606
 607 // Tells the render view to close.
 608 // Expects a Close_ACK message when finished.
 609 IPC_MESSAGE_ROUTED0(ViewMsg_Close)
 610
 611 // Tells the render view to change its size.  A ViewHostMsg_UpdateRect message
 612 // is generated in response provided new_size is not empty and not equal to
 613 // the view's current size.  The generated ViewHostMsg_UpdateRect message will
 614 // have the IS_RESIZE_ACK flag set. It also receives the resizer rect so that
 615 // we don't have to fetch it every time WebKit asks for it.
 616 IPC_MESSAGE_ROUTED1(ViewMsg_Resize,
 617                     ViewMsg_Resize_Params /* params */)
 618
 619 // Enables device emulation. See WebDeviceEmulationParams for description.
 620 IPC_MESSAGE_ROUTED1(ViewMsg_EnableDeviceEmulation,
 621                     blink::WebDeviceEmulationParams /* params */)
 622
 623 // Disables device emulation, enabled previously by EnableDeviceEmulation.
 624 IPC_MESSAGE_ROUTED0(ViewMsg_DisableDeviceEmulation)
 625
 626 // Sent to inform the renderer of its screen device color profile. An empty
 627 // profile tells the renderer use the default sRGB color profile.
 628 IPC_MESSAGE_ROUTED1(ViewMsg_ColorProfile,
 629                     std::vector<char> /* color profile */)
 630
 631 // Tells the render view that the resize rect has changed.
 632 IPC_MESSAGE_ROUTED1(ViewMsg_ChangeResizeRect,
 633                     gfx::Rect /* resizer_rect */)
 634
 635 // Sent to inform the view that it was hidden.  This allows it to reduce its
 636 // resource utilization.
 637 IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
 638
 639 // Tells the render view that it is no longer hidden (see WasHidden), and the
 640 // render view is expected to respond with a full repaint if needs_repainting
 641 // is true. If needs_repainting is false, then this message does not trigger a
 642 // message in response.
 643 IPC_MESSAGE_ROUTED2(ViewMsg_WasShown,
 644                     bool /* needs_repainting */,
 645                     ui::LatencyInfo /* latency_info */)
 646
 647 // Tells the renderer to focus the first (last if reverse is true) focusable
 648 // node.
 649 IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus,
 650                     bool /* reverse */)
 651
 652 // Sent to inform the renderer to invoke a context menu.
 653 // The parameter specifies the location in the render view's coordinates.
 654 IPC_MESSAGE_ROUTED2(ViewMsg_ShowContextMenu,
 655                     ui::MenuSourceType,
 656                     gfx::Point /* location where menu should be shown */)
 657
 658 // Sent when the user wants to search for a word on the page (find in page).
 659 IPC_MESSAGE_ROUTED3(ViewMsg_Find,
 660                     int /* request_id */,
 661                     base::string16 /* search_text */,
 662                     blink::WebFindOptions)
 663
 664 // This message notifies the renderer that the user has closed the FindInPage
 665 // window (and what action to take regarding the selection).
 666 IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
 667                     content::StopFindAction /* action */)
 668
 669 // Copies the image at location x, y to the clipboard (if there indeed is an
 670 // image at that location).
 671 IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
 672                     int /* x */,
 673                     int /* y */)
 674
 675 // Saves the image at location x, y to the disk (if there indeed is an
 676 // image at that location).
 677 IPC_MESSAGE_ROUTED2(ViewMsg_SaveImageAt,
 678                     int /* x */,
 679                     int /* y */)
 680
 681 // Tells the renderer to perform the given action on the media player
 682 // located at the given point.
 683 IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
 684                     gfx::Point, /* location */
 685                     blink::WebMediaPlayerAction)
 686
 687 // Tells the renderer to perform the given action on the plugin located at
 688 // the given point.
 689 IPC_MESSAGE_ROUTED2(ViewMsg_PluginActionAt,
 690                     gfx::Point, /* location */
 691                     blink::WebPluginAction)
 692
 693 // Resets the page scale for the current main frame to the default page scale.
 694 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageScale)
 695
 696 // Change the zoom level for the current main frame.  If the level actually
 697 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
 698 // telling it what url got zoomed and what its current zoom level is.
 699 IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
 700                     content::PageZoom /* function */)
 701
 702 // Set the zoom level for a particular url that the renderer is in the
 703 // process of loading.  This will be stored, to be used if the load commits
 704 // and ignored otherwise.
 705 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
 706                     GURL /* url */,
 707                     double /* zoom_level */)
 708
 709 // Set the zoom level for a particular url, so all render views
 710 // displaying this url can update their zoom levels to match.
 711 // If scheme is empty, then only host is used for matching.
 712 IPC_MESSAGE_CONTROL3(ViewMsg_SetZoomLevelForCurrentURL,
 713                      std::string /* scheme */,
 714                      std::string /* host */,
 715                      double /* zoom_level */)
 716
 717 // Set the zoom level for a particular render view.
 718 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForView,
 719                     bool /* uses_temporary_zoom_level */,
 720                     double /* zoom_level */)
 721
 722 // Change encoding of page in the renderer.
 723 IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
 724                     std::string /*new encoding name*/)
 725
 726 // Reset encoding of page in the renderer back to default.
 727 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
 728
 729 // Used to tell a render view whether it should expose various bindings
 730 // that allow JS content extended privileges.  See BindingsPolicy for valid
 731 // flag values.
 732 IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
 733                     int /* enabled_bindings_flags */)
 734
 735 // Tell the renderer to add a property to the WebUI binding object.  This
 736 // only works if we allowed WebUI bindings.
 737 IPC_MESSAGE_ROUTED2(ViewMsg_SetWebUIProperty,
 738                     std::string /* property_name */,
 739                     std::string /* property_value_json */)
 740
 741 // This message starts/stop monitoring the input method status of the focused
 742 // edit control of a renderer process.
 743 // Parameters
 744 // * is_active (bool)
 745 //   Indicates if an input method is active in the browser process.
 746 //   The possible actions when a renderer process receives this message are
 747 //   listed below:
 748 //     Value Action
 749 //     true  Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
 750 //           to notify the input method status of the focused edit control.
 751 //     false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
 752 IPC_MESSAGE_ROUTED1(ViewMsg_SetInputMethodActive,
 753                     bool /* is_active */)
 754
 755 // IME API oncandidatewindow* events for InputMethodContext.
 756 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowShown)
 757 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowUpdated)
 758 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowHidden)
 759
 760 // Used to notify the render-view that we have received a target URL. Used
 761 // to prevent target URLs spamming the browser.
 762 IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
 763
 764 IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
 765                     std::vector<content::FileChooserFileInfo>)
 766
 767 // Provides the results of directory enumeration.
 768 IPC_MESSAGE_ROUTED2(ViewMsg_EnumerateDirectoryResponse,
 769                     int /* request_id */,
 770                     std::vector<base::FilePath> /* files_in_directory */)
 771
 772 // When a renderer sends a ViewHostMsg_Focus to the browser process,
 773 // the browser has the option of sending a ViewMsg_CantFocus back to
 774 // the renderer.
 775 IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
 776
 777 // Tells the renderer to suppress any further modal dialogs until it receives a
 778 // corresponding ViewMsg_SwapOut message.  This ensures that no
 779 // PageGroupLoadDeferrer is on the stack for SwapOut.
 780 IPC_MESSAGE_ROUTED0(ViewMsg_SuppressDialogsUntilSwapOut)
 781
 782 // Instructs the renderer to close the current page, including running the
 783 // onunload event handler.
 784 //
 785 // Expects a ClosePage_ACK message when finished.
 786 IPC_MESSAGE_ROUTED0(ViewMsg_ClosePage)
 787
 788 // Notifies the renderer about ui theme changes
 789 IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
 790
 791 // Notifies the renderer that a paint is to be generated for the rectangle
 792 // passed in.
 793 IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
 794                     gfx::Size /* The view size to be repainted */)
 795
 796 // Notification that a move or resize renderer's containing window has
 797 // started.
 798 IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
 799
 800 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateScreenRects,
 801                     gfx::Rect /* view_screen_rect */,
 802                     gfx::Rect /* window_screen_rect */)
 803
 804 // Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
 805 // ViewHostMsg_ShowWidget to inform the renderer that the browser has
 806 // processed the move.  The browser may have ignored the move, but it finished
 807 // processing.  This is used because the renderer keeps a temporary cache of
 808 // the widget position while these asynchronous operations are in progress.
 809 IPC_MESSAGE_ROUTED0(ViewMsg_Move_ACK)
 810
 811 // Used to instruct the RenderView to send back updates to the preferred size.
 812 IPC_MESSAGE_ROUTED0(ViewMsg_EnablePreferredSizeChangedMode)
 813
 814 // Used to instruct the RenderView to automatically resize and send back
 815 // updates for the new size.
 816 IPC_MESSAGE_ROUTED2(ViewMsg_EnableAutoResize,
 817                     gfx::Size /* min_size */,
 818                     gfx::Size /* max_size */)
 819
 820 // Used to instruct the RenderView to disalbe automatically resize.
 821 IPC_MESSAGE_ROUTED1(ViewMsg_DisableAutoResize,
 822                     gfx::Size /* new_size */)
 823
 824 // Changes the text direction of the currently selected input field (if any).
 825 IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
 826                     blink::WebTextDirection /* direction */)
 827
 828 // Tells the renderer to clear the focused element (if any).
 829 IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedElement)
 830
 831 // Make the RenderView background transparent or opaque.
 832 IPC_MESSAGE_ROUTED1(ViewMsg_SetBackgroundOpaque, bool /* opaque */)
 833
 834 // Used to tell the renderer not to add scrollbars with height and
 835 // width below a threshold.
 836 IPC_MESSAGE_ROUTED1(ViewMsg_DisableScrollbarsForSmallWindows,
 837                     gfx::Size /* disable_scrollbar_size_limit */)
 838
 839 // Activate/deactivate the RenderView (i.e., set its controls' tint
 840 // accordingly, etc.).
 841 IPC_MESSAGE_ROUTED1(ViewMsg_SetActive,
 842                     bool /* active */)
 843
 844 // Response message to ViewHostMsg_CreateWorker.
 845 // Sent when the worker has started.
 846 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 847
 848 // Sent when the worker failed to load the worker script.
 849 // In normal cases, this message is sent after ViewMsg_WorkerCreated is sent.
 850 // But if the shared worker of the same URL already exists and it has failed
 851 // to load the script, when the renderer send ViewHostMsg_CreateWorker before
 852 // the shared worker is killed only ViewMsg_WorkerScriptLoadFailed is sent.
 853 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerScriptLoadFailed)
 854
 855 // Sent when the worker has connected.
 856 // This message is sent only if the worker successfully loaded the script.
 857 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerConnected)
 858
 859 // Tells the renderer that the network type has changed so that navigator.onLine
 860 // and navigator.connection can be updated.
 861 IPC_MESSAGE_CONTROL1(ViewMsg_NetworkTypeChanged,
 862                      net::NetworkChangeNotifier::ConnectionType /* type */)
 863
 864 #if defined(ENABLE_PLUGINS)
 865 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 866 // Tells the renderer that the channel to the broker has been created.
 867 IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerChannelCreated,
 868                     base::ProcessId /* broker_pid */,
 869                     IPC::ChannelHandle /* handle */)
 870
 871 // Reply to ViewHostMsg_RequestPpapiBrokerPermission.
 872 // Tells the renderer whether permission to access to PPAPI broker was granted
 873 // or not.
 874 IPC_MESSAGE_ROUTED1(ViewMsg_PpapiBrokerPermissionResult,
 875                     bool /* result */)
 876
 877 // Tells the renderer to empty its plugin list cache, optional reloading
 878 // pages containing plugins.
 879 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
 880                      bool /* reload_pages */)
 881 #endif
 882
 883 // Used to instruct the RenderView to go into "view source" mode.
 884 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 885
 886 // Instructs the renderer to save the current page to MHTML.
 887 IPC_MESSAGE_ROUTED2(ViewMsg_SavePageAsMHTML,
 888                     int /* job_id */,
 889                     IPC::PlatformFileForTransit /* file handle */)
 890
 891 // Temporary message to diagnose an unexpected condition in WebContentsImpl.
 892 IPC_MESSAGE_CONTROL1(ViewMsg_TempCrashWithData,
 893                      GURL /* data */)
 894
 895 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
 896 // process to release the magnified image.
 897 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
 898                     cc::SharedBitmapId /* id */)
 899
 900 // Fetches complete rendered content of a web page as plain text.
 901 IPC_MESSAGE_ROUTED0(ViewMsg_GetRenderedText)
 902
 903 #if defined(OS_MACOSX)
 904 IPC_ENUM_TRAITS_MAX_VALUE(blink::ScrollerStyle, blink::ScrollerStyleOverlay)
 905
 906 // Notification of a change in scrollbar appearance and/or behavior.
 907 IPC_MESSAGE_CONTROL5(ViewMsg_UpdateScrollbarTheme,
 908                      float /* initial_button_delay */,
 909                      float /* autoscroll_button_delay */,
 910                      bool /* jump_on_track_click */,
 911                      blink::ScrollerStyle /* preferred_scroller_style */,
 912                      bool /* redraw */)
 913 #endif
 914
 915 #if defined(OS_ANDROID)
 916 // Tells the renderer to suspend/resume the webkit timers.
 917 IPC_MESSAGE_CONTROL1(ViewMsg_SetWebKitSharedTimersSuspended,
 918                      bool /* suspend */)
 919
 920 // Sent when the browser wants the bounding boxes of the current find matches.
 921 //
 922 // If match rects are already cached on the browser side, |current_version|
 923 // should be the version number from the ViewHostMsg_FindMatchRects_Reply
 924 // they came in, so the renderer can tell if it needs to send updated rects.
 925 // Otherwise just pass -1 to always receive the list of rects.
 926 //
 927 // There must be an active search string (it is probably most useful to call
 928 // this immediately after a ViewHostMsg_Find_Reply message arrives with
 929 // final_update set to true).
 930 IPC_MESSAGE_ROUTED1(ViewMsg_FindMatchRects,
 931                     int /* current_version */)
 932
 933 // Notifies the renderer whether hiding/showing the top controls is enabled
 934 // and whether or not to animate to the proper state.
 935 IPC_MESSAGE_ROUTED3(ViewMsg_UpdateTopControlsState,
 936                     bool /* enable_hiding */,
 937                     bool /* enable_showing */,
 938                     bool /* animate */)
 939
 940 IPC_MESSAGE_ROUTED0(ViewMsg_ShowImeIfNeeded)
 941
 942 // Sent by the browser when an IME update that requires acknowledgement has been
 943 // processed on the browser side.
 944 IPC_MESSAGE_ROUTED0(ViewMsg_ImeEventAck)
 945
 946 // Extracts the data at the given rect, returning it through the
 947 // ViewHostMsg_SmartClipDataExtracted IPC.
 948 IPC_MESSAGE_ROUTED1(ViewMsg_ExtractSmartClipData,
 949                     gfx::Rect /* rect */)
 950
 951 #elif defined(OS_MACOSX)
 952 // Let the RenderView know its window has changed visibility.
 953 IPC_MESSAGE_ROUTED1(ViewMsg_SetWindowVisibility,
 954                     bool /* visibile */)
 955
 956 // Let the RenderView know its window's frame has changed.
 957 IPC_MESSAGE_ROUTED2(ViewMsg_WindowFrameChanged,
 958                     gfx::Rect /* window frame */,
 959                     gfx::Rect /* content view frame */)
 960
 961 // Message sent from the browser to the renderer when the user starts or stops
 962 // resizing the view.
 963 IPC_MESSAGE_ROUTED1(ViewMsg_SetInLiveResize,
 964                     bool /* enable */)
 965
 966 // Tell the renderer that plugin IME has completed.
 967 IPC_MESSAGE_ROUTED2(ViewMsg_PluginImeCompositionCompleted,
 968                     base::string16 /* text */,
 969                     int /* plugin_id */)
 970 #endif
 971
 972 // Sent by the browser as a reply to ViewHostMsg_SwapCompositorFrame.
 973 IPC_MESSAGE_ROUTED2(ViewMsg_SwapCompositorFrameAck,
 974                     uint32 /* output_surface_id */,
 975                     cc::CompositorFrameAck /* ack */)
 976
 977 // Sent by browser to tell renderer compositor that some resources that were
 978 // given to the browser in a swap are not being used anymore.
 979 IPC_MESSAGE_ROUTED2(ViewMsg_ReclaimCompositorResources,
 980                     uint32 /* output_surface_id */,
 981                     cc::CompositorFrameAck /* ack */)
 982
 983 IPC_MESSAGE_ROUTED0(ViewMsg_SelectWordAroundCaret)
 984
 985 // Sent by the browser to ask the renderer to redraw.
 986 // If |request_id| is not zero, it is added to the forced frame's latency info
 987 // as ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT.
 988 IPC_MESSAGE_ROUTED1(ViewMsg_ForceRedraw,
 989                     int /* request_id */)
 990
 991 // Sent by the browser when the renderer should generate a new frame.
 992 IPC_MESSAGE_ROUTED1(ViewMsg_BeginFrame,
 993                     cc::BeginFrameArgs /* args */)
 994
 995 // -----------------------------------------------------------------------------
 996 // Messages sent from the renderer to the browser.
 997
 998 // Sent by renderer to request a ViewMsg_BeginFrame message for upcoming
 999 // display events. If |enabled| is true, the BeginFrame message will continue
1000 // to be be delivered until the notification is disabled.
1001 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetNeedsBeginFrames,
1002                     bool /* enabled */)
1003
1004 // Sent by the renderer when it is creating a new window.  The browser creates
1005 // a tab for it and responds with a ViewMsg_CreatingNew_ACK.  If route_id is
1006 // MSG_ROUTING_NONE, the view couldn't be created.
1007 IPC_SYNC_MESSAGE_CONTROL1_4(ViewHostMsg_CreateWindow,
1008                             ViewHostMsg_CreateWindow_Params,
1009                             int /* route_id */,
1010                             int /* main_frame_route_id */,
1011                             int32 /* surface_id */,
1012                             int64 /* cloned_session_storage_namespace_id */)
1013
1014 // Similar to ViewHostMsg_CreateWindow, except used for sub-widgets, like
1015 // <select> dropdowns.  This message is sent to the WebContentsImpl that
1016 // contains the widget being created.
1017 IPC_SYNC_MESSAGE_CONTROL2_2(ViewHostMsg_CreateWidget,
1018                             int /* opener_id */,
1019                             blink::WebPopupType /* popup type */,
1020                             int /* route_id */,
1021                             int32 /* surface_id */)
1022
1023 // Similar to ViewHostMsg_CreateWidget except the widget is a full screen
1024 // window.
1025 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_CreateFullscreenWidget,
1026                             int /* opener_id */,
1027                             int /* route_id */,
1028                             int32 /* surface_id */)
1029
1030 // Asks the browser for a unique routing ID.
1031 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GenerateRoutingID,
1032                             int /* routing_id */)
1033
1034 // Asks the browser for the default audio hardware configuration.
1035 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetAudioHardwareConfig,
1036                             media::AudioParameters /* input parameters */,
1037                             media::AudioParameters /* output parameters */)
1038
1039 // Asks the browser for the renderer process memory size stats.
1040 IPC_SYNC_MESSAGE_CONTROL0_2(ViewHostMsg_GetProcessMemorySizes,
1041                             size_t /* private_bytes */,
1042                             size_t /* shared_bytes */)
1043
1044 // These three messages are sent to the parent RenderViewHost to display the
1045 // page/widget that was created by
1046 // CreateWindow/CreateWidget/CreateFullscreenWidget. routing_id
1047 // refers to the id that was returned from the Create message above.
1048 // The initial_rect parameter is in screen coordinates.
1049 //
1050 // FUTURE: there will probably be flags here to control if the result is
1051 // in a new window.
1052 IPC_MESSAGE_ROUTED4(ViewHostMsg_ShowView,
1053                     int /* route_id */,
1054                     WindowOpenDisposition /* disposition */,
1055                     gfx::Rect /* initial_rect */,
1056                     bool /* opened_by_user_gesture */)
1057
1058 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
1059                     int /* route_id */,
1060                     gfx::Rect /* initial_rect */)
1061
1062 // Message to show a full screen widget.
1063 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
1064                     int /* route_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 // Sent by the renderer process to request that the browser close the view.
1071 // This corresponds to the window.close() API, and the browser may ignore
1072 // this message.  Otherwise, the browser will generates a ViewMsg_Close
1073 // message to close the view.
1074 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
1075
1076 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
1077 // throttle these messages.
1078 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
1079
1080 // Sent by the renderer process to request that the browser move the view.
1081 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
1082 // the browser may ignore this message.
1083 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
1084                     gfx::Rect /* position */)
1085
1086 // Result of string search in the page.
1087 // Response to ViewMsg_Find with the results of the requested find-in-page
1088 // search, the number of matches found and the selection rect (in screen
1089 // coordinates) for the string found. If |final_update| is false, it signals
1090 // that this is not the last Find_Reply message - more will be sent as the
1091 // scoping effort continues.
1092 IPC_MESSAGE_ROUTED5(ViewHostMsg_Find_Reply,
1093                     int /* request_id */,
1094                     int /* number of matches */,
1095                     gfx::Rect /* selection_rect */,
1096                     int /* active_match_ordinal */,
1097                     bool /* final_update */)
1098
1099 // Indicates that the render view has been closed in respose to a
1100 // Close message.
1101 IPC_MESSAGE_CONTROL1(ViewHostMsg_Close_ACK,
1102                      int /* old_route_id */)
1103
1104 // Indicates that the current page has been closed, after a ClosePage
1105 // message.
1106 IPC_MESSAGE_ROUTED0(ViewHostMsg_ClosePage_ACK)
1107
1108 // Notifies the browser that we have session history information.
1109 // page_id: unique ID that allows us to distinguish between history entries.
1110 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
1111                     int32 /* page_id */,
1112                     content::PageState /* state */)
1113
1114 // Notifies the browser that we want to show a destination url for a potential
1115 // action (e.g. when the user is hovering over a link).
1116 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateTargetURL,
1117                     GURL)
1118
1119 // Sent when the document element is available for the top-level frame.  This
1120 // happens after the page starts loading, but before all resources are
1121 // finished.
1122 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentAvailableInMainFrame,
1123                     bool /* uses_temporary_zoom_level */)
1124
1125 // Sent when the renderer loads a resource from its memory cache.
1126 // The security info is non empty if the resource was originally loaded over
1127 // a secure connection.
1128 // Note: May only be sent once per URL per frame per committed load.
1129 IPC_MESSAGE_ROUTED5(ViewHostMsg_DidLoadResourceFromMemoryCache,
1130                     GURL /* url */,
1131                     std::string  /* security info */,
1132                     std::string  /* http method */,
1133                     std::string  /* mime type */,
1134                     content::ResourceType /* resource type */)
1135
1136 // Sent when the renderer displays insecure content in a secure page.
1137 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDisplayInsecureContent)
1138
1139 // Sent when the renderer runs insecure content in a secure origin.
1140 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidRunInsecureContent,
1141                     std::string  /* security_origin */,
1142                     GURL         /* target URL */)
1143
1144 // Sent to update part of the view.  In response to this message, the host
1145 // generates a ViewMsg_UpdateRect_ACK message.
1146 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
1147                     ViewHostMsg_UpdateRect_Params)
1148
1149 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
1150 IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
1151
1152 // Message sent from renderer to the browser when focus changes inside the
1153 // webpage. The first parameter says whether the newly focused element needs
1154 // keyboard input (true for textfields, text areas and content editable divs).
1155 // The second parameter is the node bounds relative to RenderWidgetHostView.
1156 IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
1157                     bool /* is_editable_node */,
1158                     gfx::Rect /* node_bounds */)
1159
1160 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
1161
1162 // Used to set a cookie. The cookie is set asynchronously, but will be
1163 // available to a subsequent ViewHostMsg_GetCookies request.
1164 IPC_MESSAGE_CONTROL4(ViewHostMsg_SetCookie,
1165                      int /* render_frame_id */,
1166                      GURL /* url */,
1167                      GURL /* first_party_for_cookies */,
1168                      std::string /* cookie */)
1169
1170 // Used to get cookies for the given URL. This may block waiting for a
1171 // previous SetCookie message to be processed.
1172 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_GetCookies,
1173                             int /* render_frame_id */,
1174                             GURL /* url */,
1175                             GURL /* first_party_for_cookies */,
1176                             std::string /* cookies */)
1177
1178 // Used to check if cookies are enabled for the given URL. This may block
1179 // waiting for a previous SetCookie message to be processed.
1180 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_CookiesEnabled,
1181                             int /* render_frame_id */,
1182                             GURL /* url */,
1183                             GURL /* first_party_for_cookies */,
1184                             bool /* cookies_enabled */)
1185
1186 // Used to get the list of plugins
1187 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
1188     bool /* refresh*/,
1189     std::vector<content::WebPluginInfo> /* plugins */)
1190
1191 #if defined(OS_WIN)
1192 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowCreated,
1193                     gfx::NativeViewId /* dummy_activation_window */)
1194
1195 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
1196                     gfx::NativeViewId /* dummy_activation_window */)
1197
1198 // Asks the browser for the user's monitor profile.
1199 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetMonitorColorProfile,
1200                             std::vector<char> /* profile */)
1201 #endif
1202
1203 // Get the list of proxies to use for |url|, as a semicolon delimited list
1204 // of "<TYPE> <HOST>:<PORT>" | "DIRECT".
1205 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
1206                             GURL /* url */,
1207                             bool /* result */,
1208                             std::string /* proxy list */)
1209
1210 // A renderer sends this to the browser process when it wants to create a
1211 // worker.  The browser will create the worker process if necessary, and
1212 // will return the route id on success.  On error returns MSG_ROUTING_NONE.
1213 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
1214                             ViewHostMsg_CreateWorker_Params,
1215                             int /* route_id */)
1216
1217 // A renderer sends this to the browser process when a document has been
1218 // detached. The browser will use this to constrain the lifecycle of worker
1219 // processes (SharedWorkers are shut down when their last associated document
1220 // is detached).
1221 IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
1222                      uint64 /* document_id */)
1223
1224 // Wraps an IPC message that's destined to the worker on the renderer->browser
1225 // hop.
1226 IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
1227                      IPC::Message /* message */)
1228
1229 // Tells the browser that a specific Appcache manifest in the current page
1230 // was accessed.
1231 IPC_MESSAGE_ROUTED2(ViewHostMsg_AppCacheAccessed,
1232                     GURL /* manifest url */,
1233                     bool /* blocked by policy */)
1234
1235 // Initiates a download based on user actions like 'ALT+click'.
1236 IPC_MESSAGE_CONTROL4(ViewHostMsg_DownloadUrl,
1237                      int /* render_view_id */,
1238                      GURL /* url */,
1239                      content::Referrer /* referrer */,
1240                      base::string16 /* suggested_name */)
1241
1242 // Used to go to the session history entry at the given offset (ie, -1 will
1243 // return the "back" item).
1244 IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
1245                     int /* offset (from current) of history item to get */)
1246
1247 // Sent from an inactive renderer for the browser to route to the active
1248 // renderer, instructing it to close.
1249 IPC_MESSAGE_ROUTED0(ViewHostMsg_RouteCloseEvent)
1250
1251 // Notifies that the preferred size of the content changed.
1252 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
1253                     gfx::Size /* pref_size */)
1254
1255 // Notifies whether there are JavaScript touch event handlers or not.
1256 IPC_MESSAGE_ROUTED1(ViewHostMsg_HasTouchEventHandlers,
1257                     bool /* has_handlers */)
1258
1259 // A message from HTML-based UI.  When (trusted) Javascript calls
1260 // send(message, args), this message is sent to the browser.
1261 IPC_MESSAGE_ROUTED3(ViewHostMsg_WebUISend,
1262                     GURL /* source_url */,
1263                     std::string  /* message */,
1264                     base::ListValue /* args */)
1265
1266 #if defined(ENABLE_PLUGINS)
1267 // A renderer sends this to the browser process when it wants to create a ppapi
1268 // plugin.  The browser will create the plugin process if necessary, and will
1269 // return a handle to the channel on success.
1270 //
1271 // The plugin_child_id is the ChildProcessHost ID assigned in the browser
1272 // process. This ID is valid only in the context of the browser process and is
1273 // used to identify the proper process when the renderer notifies it that the
1274 // plugin is hung.
1275 //
1276 // On error an empty string and null handles are returned.
1277 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_OpenChannelToPepperPlugin,
1278                             base::FilePath /* path */,
1279                             IPC::ChannelHandle /* handle to channel */,
1280                             base::ProcessId /* plugin_pid */,
1281                             int /* plugin_child_id */)
1282
1283 // Notification that a plugin has created a new plugin instance. The parameters
1284 // indicate:
1285 // -The plugin process ID that we're creating the instance for.
1286 // -The instance ID of the instance being created.
1287 // -A PepperRendererInstanceData struct which contains properties from the
1288 // renderer which are associated with the plugin instance. This includes the
1289 // routing ID of the associated render view and the URL of plugin.
1290 // -Whether the plugin we're creating an instance for is external or internal.
1291 //
1292 // This message must be sync even though it returns no parameters to avoid
1293 // a race condition with the plugin process. The plugin process sends messages
1294 // to the browser that assume the browser knows about the instance. We need to
1295 // make sure that the browser actually knows about the instance before we tell
1296 // the plugin to run.
1297 IPC_SYNC_MESSAGE_CONTROL4_0(
1298     ViewHostMsg_DidCreateOutOfProcessPepperInstance,
1299     int /* plugin_child_id */,
1300     int32 /* pp_instance */,
1301     content::PepperRendererInstanceData /* creation_data */,
1302     bool /* is_external */)
1303
1304 // Notification that a plugin has destroyed an instance. This is the opposite of
1305 // the "DidCreate" message above.
1306 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
1307                      int /* plugin_child_id */,
1308                      int32 /* pp_instance */,
1309                      bool /* is_external */)
1310
1311 // Message from the renderer to the browser indicating the in-process instance
1312 // has been created.
1313 IPC_MESSAGE_CONTROL2(ViewHostMsg_DidCreateInProcessInstance,
1314                      int32 /* instance */,
1315                      content::PepperRendererInstanceData /* instance_data */)
1316
1317 // Message from the renderer to the browser indicating the in-process instance
1318 // has been destroyed.
1319 IPC_MESSAGE_CONTROL1(ViewHostMsg_DidDeleteInProcessInstance,
1320                      int32 /* instance */)
1321
1322 // A renderer sends this to the browser process when it wants to
1323 // create a ppapi broker.  The browser will create the broker process
1324 // if necessary, and will return a handle to the channel on success.
1325 // On error an empty string is returned.
1326 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
1327 IPC_MESSAGE_CONTROL2(ViewHostMsg_OpenChannelToPpapiBroker,
1328                      int /* routing_id */,
1329                      base::FilePath /* path */)
1330
1331 // A renderer sends this to the browser process when it wants to access a PPAPI
1332 // broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
1333 // for every connection.
1334 // The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
1335 IPC_MESSAGE_ROUTED3(ViewHostMsg_RequestPpapiBrokerPermission,
1336                     int /* routing_id */,
1337                     GURL /* document_url */,
1338                     base::FilePath /* plugin_path */)
1339
1340 // A renderer sends this to the browser process when it throttles or unthrottles
1341 // a plugin instance for the Plugin Power Saver feature.
1342 IPC_MESSAGE_CONTROL3(ViewHostMsg_PluginInstanceThrottleStateChange,
1343                      int /* plugin_child_id */,
1344                      int32 /* pp_instance */,
1345                      bool /* is_throttled */)
1346 #endif  // defined(ENABLE_PLUGINS)
1347
1348 // Send the tooltip text for the current mouse position to the browser.
1349 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
1350                     base::string16 /* tooltip text string */,
1351                     blink::WebTextDirection /* text direction hint */)
1352
1353 // Notification that the text selection has changed.
1354 // Note: The secound parameter is the character based offset of the
1355 // base::string16
1356 // text in the document.
1357 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
1358                     base::string16 /* text covers the selection range */,
1359                     size_t /* the offset of the text in the document */,
1360                     gfx::Range /* selection range in the document */)
1361
1362 // Notification that the selection bounds have changed.
1363 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
1364                     ViewHostMsg_SelectionBounds_Params)
1365
1366 // Asks the browser to display the file chooser.  The result is returned in a
1367 // ViewMsg_RunFileChooserResponse message.
1368 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
1369                     content::FileChooserParams)
1370
1371 // Asks the browser to enumerate a directory.  This is equivalent to running
1372 // the file chooser in directory-enumeration mode and having the user select
1373 // the given directory.  The result is returned in a
1374 // ViewMsg_EnumerateDirectoryResponse message.
1375 IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
1376                     int /* request_id */,
1377                     base::FilePath /* file_path */)
1378
1379 // Asks the browser to save a image (for <canvas> or <img>) from a data URL.
1380 // Note: |data_url| is the contents of a data:URL, and that it's represented as
1381 // a string only to work around size limitations for GURLs in IPC messages.
1382 IPC_MESSAGE_CONTROL2(ViewHostMsg_SaveImageFromDataURL,
1383                      int /* render_view_id */,
1384                      std::string /* data_url */)
1385
1386 // Tells the browser to move the focus to the next (previous if reverse is
1387 // true) focusable element.
1388 IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus,
1389                     bool /* reverse */)
1390
1391 // Required for opening a date/time dialog
1392 IPC_MESSAGE_ROUTED1(ViewHostMsg_OpenDateTimeDialog,
1393                     ViewHostMsg_DateTimeDialogValue_Params /* value */)
1394
1395 IPC_MESSAGE_ROUTED4(ViewHostMsg_TextInputTypeChanged,
1396                     ui::TextInputType /* TextInputType of the focused node */,
1397                     ui::TextInputMode /* TextInputMode of the focused node */,
1398                     bool /* can_compose_inline in the focused node */,
1399                     int /* flags in the focused node */)
1400
1401 // Required for updating text input state.
1402 IPC_MESSAGE_ROUTED1(ViewHostMsg_TextInputStateChanged,
1403                     ViewHostMsg_TextInputState_Params /* input state params */)
1404
1405 // Sent when the renderer changes the zoom level for a particular url, so the
1406 // browser can update its records.  If the view is a plugin doc, then url is
1407 // used to update the zoom level for all pages in that site.  Otherwise, the
1408 // render view's id is used so that only the menu is updated.
1409 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidZoomURL,
1410                     double /* zoom_level */,
1411                     GURL /* url */)
1412
1413 // Sent when the renderer changes its page scale factor and whether or not the
1414 // page scale factor is one changes.
1415 IPC_MESSAGE_ROUTED1(ViewHostMsg_PageScaleFactorIsOneChanged, bool /* is_one */)
1416
1417 // Updates the minimum/maximum allowed zoom percent for this tab from the
1418 // default values.  If |remember| is true, then the zoom setting is applied to
1419 // other pages in the site and is saved, otherwise it only applies to this
1420 // tab.
1421 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateZoomLimits,
1422                     int /* minimum_percent */,
1423                     int /* maximum_percent */)
1424
1425 // Notify the browser that this render process can or can't be suddenly
1426 // terminated.
1427 IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
1428                      bool /* enabled */)
1429
1430 IPC_MESSAGE_ROUTED3(
1431     ViewHostMsg_SwapCompositorFrame,
1432     uint32 /* output_surface_id */,
1433     cc::CompositorFrame /* frame */,
1434     std::vector<IPC::Message> /* messages_to_deliver_with_frame */)
1435
1436 //---------------------------------------------------------------------------
1437 // Request for cryptographic operation messages:
1438 // These are messages from the renderer to the browser to perform a
1439 // cryptographic operation.
1440
1441 // Asks the browser process to generate a keypair for grabbing a client
1442 // certificate from a CA (<keygen> tag), and returns the signed public
1443 // key and challenge string.
1444 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
1445                             uint32 /* key size index */,
1446                             std::string /* challenge string */,
1447                             GURL /* URL of requestor */,
1448                             std::string /* signed public key and challenge */)
1449
1450 // Message sent from the renderer to the browser to request that the browser
1451 // cache |data| associated with |url| and |expected_response_time|.
1452 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidGenerateCacheableMetadata,
1453                      GURL /* url */,
1454                      base::Time /* expected_response_time */,
1455                      std::vector<char> /* data */)
1456
1457 // Register a new handler for URL requests with the given scheme.
1458 IPC_MESSAGE_ROUTED4(ViewHostMsg_RegisterProtocolHandler,
1459                     std::string /* scheme */,
1460                     GURL /* url */,
1461                     base::string16 /* title */,
1462                     bool /* user_gesture */)
1463
1464 // Unregister the registered handler for URL requests with the given scheme.
1465 IPC_MESSAGE_ROUTED3(ViewHostMsg_UnregisterProtocolHandler,
1466                     std::string /* scheme */,
1467                     GURL /* url */,
1468                     bool /* user_gesture */)
1469
1470 // Send back a string to be recorded by UserMetrics.
1471 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
1472                      std::string /* action */)
1473
1474 // Notifies the browser that the page was or was not saved as MHTML.
1475 IPC_MESSAGE_CONTROL2(ViewHostMsg_SavedPageAsMHTML,
1476                      int /* job_id */,
1477                      int64 /* size of the MHTML file, -1 if error */)
1478
1479 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
1480                     std::vector<GURL> /* all savable resource links */,
1481                     std::vector<content::Referrer> /* all referrers */,
1482                     std::vector<GURL> /* all frame links */)
1483
1484 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
1485                     GURL /* frame's url */,
1486                     std::string /* data buffer */,
1487                     int32 /* complete status */)
1488
1489 // Notifies the browser of an event occurring in the media pipeline.
1490 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvents,
1491                      std::vector<media::MediaLogEvent> /* events */)
1492
1493 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
1494 // being sent back.
1495 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
1496 // pop up a bubble to ask for user permission or take mouse lock content into
1497 // account.
1498 IPC_MESSAGE_ROUTED3(ViewHostMsg_LockMouse,
1499                     bool /* user_gesture */,
1500                     bool /* last_unlocked_by_target */,
1501                     bool /* privileged */)
1502
1503 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
1504 // whenever the mouse is unlocked (which may or may not be caused by
1505 // ViewHostMsg_UnlockMouse).
1506 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
1507
1508 // Notifies that multiple touch targets may have been pressed, and to show
1509 // the disambiguation popup.
1510 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowDisambiguationPopup,
1511                     gfx::Rect, /* Border of touched targets */
1512                     gfx::Size, /* Size of zoomed image */
1513                     cc::SharedBitmapId /* id */)
1514
1515 // Sent by the renderer process to check whether client 3D APIs
1516 // (Pepper 3D, WebGL) are explicitly blocked.
1517 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Are3DAPIsBlocked,
1518                             int /* render_view_id */,
1519                             GURL /* top_origin_url */,
1520                             content::ThreeDAPIType /* requester */,
1521                             bool /* blocked */)
1522
1523 // Sent by the renderer process to indicate that a context was lost by
1524 // client 3D content (Pepper 3D, WebGL) running on the page at the
1525 // given URL.
1526 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidLose3DContext,
1527                      GURL /* top_origin_url */,
1528                      content::ThreeDAPIType /* context_type */,
1529                      int /* arb_robustness_status_code */)
1530
1531 // Notifies the browser that document has parsed the body. This is used by the
1532 // ResourceScheduler as an indication that bandwidth contention won't block
1533 // first paint.
1534 IPC_MESSAGE_ROUTED0(ViewHostMsg_WillInsertBody)
1535
1536 // Notification that the urls for the favicon of a site has been determined.
1537 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFaviconURL,
1538                     std::vector<content::FaviconURL> /* candidates */)
1539
1540 // Message sent from renderer to the browser when the element that is focused
1541 // has been touched. A bool is passed in this message which indicates if the
1542 // node is editable.
1543 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeTouched,
1544                     bool /* editable */)
1545
1546 // Message sent from the renderer to the browser when an HTML form has failed
1547 // validation constraints.
1548 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowValidationMessage,
1549                     gfx::Rect /* anchor rectangle in root view coordinate */,
1550                     base::string16 /* validation message */,
1551                     base::string16 /* supplemental text */)
1552
1553 // Message sent from the renderer to the browser when a HTML form validation
1554 // message should be hidden from view.
1555 IPC_MESSAGE_ROUTED0(ViewHostMsg_HideValidationMessage)
1556
1557 // Message sent from the renderer to the browser when the suggested co-ordinates
1558 // of the anchor for a HTML form validation message have changed.
1559 IPC_MESSAGE_ROUTED1(ViewHostMsg_MoveValidationMessage,
1560                     gfx::Rect /* anchor rectangle in root view coordinate */)
1561
1562 #if defined(OS_ANDROID)
1563 // Response to ViewMsg_FindMatchRects.
1564 //
1565 // |version| will contain the current version number of the renderer's find
1566 // match list (incremented whenever they change), which should be passed in the
1567 // next call to ViewMsg_FindMatchRects.
1568 //
1569 // |rects| will either contain a list of the enclosing rects of all matches
1570 // found by the most recent Find operation, or will be empty if |version| is not
1571 // greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
1572 // your locally cached rects should still be valid). The rect coords will be
1573 // custom normalized fractions of the document size. The rects will be sorted by
1574 // frame traversal order starting in the main frame, then by dom order.
1575 //
1576 // |active_rect| will contain the bounding box of the active find-in-page match
1577 // marker, in similarly normalized coords (or an empty rect if there isn't one).
1578 IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
1579                     int /* version */,
1580                     std::vector<gfx::RectF> /* rects */,
1581                     gfx::RectF /* active_rect */)
1582
1583 // Start an android intent with the given URI.
1584 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
1585                     GURL /* content_url */)
1586
1587 // Message sent when the renderer changed the background color for the view.
1588 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeBodyBackgroundColor,
1589                     uint32  /* bg_color */)
1590
1591 // This message runs the MediaCodec for decoding audio for webaudio.
1592 IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
1593                      base::SharedMemoryHandle /* encoded_data_handle */,
1594                      base::FileDescriptor /* pcm_output */,
1595                      uint32_t /* data_size*/)
1596
1597 // Reply to the ViewMsg_ExtractSmartClipData message.
1598 IPC_MESSAGE_ROUTED3(ViewHostMsg_SmartClipDataExtracted,
1599                     base::string16 /* text */,
1600                     base::string16 /* html */,
1601                     gfx::Rect /* rect */)
1602
1603 // Notifies that an unhandled tap has occurred at the specified x,y position
1604 // and that the UI may need to be triggered.
1605 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowUnhandledTapUIIfNeeded,
1606                     int /* x */,
1607                     int /* y */)
1608
1609 #elif defined(OS_MACOSX)
1610 // Request that the browser load a font into shared memory for us.
1611 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,
1612                            FontDescriptor /* font to load */,
1613                            uint32 /* buffer size */,
1614                            base::SharedMemoryHandle /* font data */,
1615                            uint32 /* font id */)
1616
1617 // Informs the browser that a plugin has gained or lost focus.
1618 IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
1619                     bool, /* focused */
1620                     int /* plugin_id */)
1621
1622 // Instructs the browser to start plugin IME.
1623 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
1624
1625 // Receives content of a web page as plain text.
1626 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
1627
1628 #elif defined(OS_WIN)
1629 // Request that the given font characters be loaded by the browser so it's
1630 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
1631 // for details.
1632 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
1633                             LOGFONT /* font_data */,
1634                             base::string16 /* characters */)
1635 #endif
1636
1637 // Adding a new message? Stick to the sort order above: first platform
1638 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
1639 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.