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(WindowContainerType)
  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(gfx::FontRenderParams::Hinting)
  99 IPC_ENUM_TRAITS(gfx::FontRenderParams::SubpixelRendering)
 100 IPC_ENUM_TRAITS_MAX_VALUE(content::TapMultipleTargetsStrategy,
 101                           content::TAP_MULTIPLE_TARGETS_STRATEGY_MAX)
 102 IPC_ENUM_TRAITS_MAX_VALUE(content::StopFindAction,
 103                           content::STOP_FIND_ACTION_LAST)
 104 IPC_ENUM_TRAITS_MAX_VALUE(content::ThreeDAPIType,
 105                           content::THREE_D_API_TYPE_LAST)
 106 IPC_ENUM_TRAITS_MAX_VALUE(media::ChannelLayout, media::CHANNEL_LAYOUT_MAX - 1)
 107 IPC_ENUM_TRAITS_MAX_VALUE(media::MediaLogEvent::Type,
 108                           media::MediaLogEvent::TYPE_LAST)
 109 IPC_ENUM_TRAITS_MAX_VALUE(ui::TextInputMode, ui::TEXT_INPUT_MODE_MAX)
 110 IPC_ENUM_TRAITS(ui::TextInputType)
 111
 112 #if defined(OS_MACOSX)
 113 IPC_STRUCT_TRAITS_BEGIN(FontDescriptor)
 114   IPC_STRUCT_TRAITS_MEMBER(font_name)
 115   IPC_STRUCT_TRAITS_MEMBER(font_point_size)
 116 IPC_STRUCT_TRAITS_END()
 117 #endif
 118
 119 IPC_STRUCT_TRAITS_BEGIN(blink::WebFindOptions)
 120   IPC_STRUCT_TRAITS_MEMBER(forward)
 121   IPC_STRUCT_TRAITS_MEMBER(matchCase)
 122   IPC_STRUCT_TRAITS_MEMBER(findNext)
 123 IPC_STRUCT_TRAITS_END()
 124
 125 IPC_STRUCT_TRAITS_BEGIN(blink::WebMediaPlayerAction)
 126   IPC_STRUCT_TRAITS_MEMBER(type)
 127   IPC_STRUCT_TRAITS_MEMBER(enable)
 128 IPC_STRUCT_TRAITS_END()
 129
 130 IPC_STRUCT_TRAITS_BEGIN(blink::WebPluginAction)
 131   IPC_STRUCT_TRAITS_MEMBER(type)
 132   IPC_STRUCT_TRAITS_MEMBER(enable)
 133 IPC_STRUCT_TRAITS_END()
 134
 135 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatPoint)
 136   IPC_STRUCT_TRAITS_MEMBER(x)
 137   IPC_STRUCT_TRAITS_MEMBER(y)
 138 IPC_STRUCT_TRAITS_END()
 139
 140 IPC_STRUCT_TRAITS_BEGIN(blink::WebFloatRect)
 141   IPC_STRUCT_TRAITS_MEMBER(x)
 142   IPC_STRUCT_TRAITS_MEMBER(y)
 143   IPC_STRUCT_TRAITS_MEMBER(width)
 144   IPC_STRUCT_TRAITS_MEMBER(height)
 145 IPC_STRUCT_TRAITS_END()
 146
 147 IPC_STRUCT_TRAITS_BEGIN(blink::WebSize)
 148   IPC_STRUCT_TRAITS_MEMBER(width)
 149   IPC_STRUCT_TRAITS_MEMBER(height)
 150 IPC_STRUCT_TRAITS_END()
 151
 152 IPC_STRUCT_TRAITS_BEGIN(blink::WebDeviceEmulationParams)
 153   IPC_STRUCT_TRAITS_MEMBER(screenPosition)
 154   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 155   IPC_STRUCT_TRAITS_MEMBER(viewSize)
 156   IPC_STRUCT_TRAITS_MEMBER(fitToView)
 157   IPC_STRUCT_TRAITS_MEMBER(offset)
 158   IPC_STRUCT_TRAITS_MEMBER(scale)
 159 IPC_STRUCT_TRAITS_END()
 160
 161 IPC_STRUCT_TRAITS_BEGIN(blink::WebScreenInfo)
 162   IPC_STRUCT_TRAITS_MEMBER(deviceScaleFactor)
 163   IPC_STRUCT_TRAITS_MEMBER(depth)
 164   IPC_STRUCT_TRAITS_MEMBER(depthPerComponent)
 165   IPC_STRUCT_TRAITS_MEMBER(isMonochrome)
 166   IPC_STRUCT_TRAITS_MEMBER(rect)
 167   IPC_STRUCT_TRAITS_MEMBER(availableRect)
 168   IPC_STRUCT_TRAITS_MEMBER(orientationType)
 169   IPC_STRUCT_TRAITS_MEMBER(orientationAngle)
 170 IPC_STRUCT_TRAITS_END()
 171
 172 IPC_STRUCT_TRAITS_BEGIN(content::MenuItem)
 173   IPC_STRUCT_TRAITS_MEMBER(label)
 174   IPC_STRUCT_TRAITS_MEMBER(tool_tip)
 175   IPC_STRUCT_TRAITS_MEMBER(type)
 176   IPC_STRUCT_TRAITS_MEMBER(action)
 177   IPC_STRUCT_TRAITS_MEMBER(rtl)
 178   IPC_STRUCT_TRAITS_MEMBER(has_directional_override)
 179   IPC_STRUCT_TRAITS_MEMBER(enabled)
 180   IPC_STRUCT_TRAITS_MEMBER(checked)
 181   IPC_STRUCT_TRAITS_MEMBER(submenu)
 182 IPC_STRUCT_TRAITS_END()
 183
 184 IPC_STRUCT_TRAITS_BEGIN(content::DateTimeSuggestion)
 185   IPC_STRUCT_TRAITS_MEMBER(value)
 186   IPC_STRUCT_TRAITS_MEMBER(localized_value)
 187   IPC_STRUCT_TRAITS_MEMBER(label)
 188 IPC_STRUCT_TRAITS_END()
 189
 190 IPC_STRUCT_TRAITS_BEGIN(content::FaviconURL)
 191   IPC_STRUCT_TRAITS_MEMBER(icon_url)
 192   IPC_STRUCT_TRAITS_MEMBER(icon_type)
 193   IPC_STRUCT_TRAITS_MEMBER(icon_sizes)
 194 IPC_STRUCT_TRAITS_END()
 195
 196 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserFileInfo)
 197   IPC_STRUCT_TRAITS_MEMBER(file_path)
 198   IPC_STRUCT_TRAITS_MEMBER(display_name)
 199   IPC_STRUCT_TRAITS_MEMBER(file_system_url)
 200   IPC_STRUCT_TRAITS_MEMBER(modification_time)
 201   IPC_STRUCT_TRAITS_MEMBER(length)
 202   IPC_STRUCT_TRAITS_MEMBER(is_directory)
 203 IPC_STRUCT_TRAITS_END()
 204
 205 IPC_STRUCT_TRAITS_BEGIN(content::FileChooserParams)
 206   IPC_STRUCT_TRAITS_MEMBER(mode)
 207   IPC_STRUCT_TRAITS_MEMBER(title)
 208   IPC_STRUCT_TRAITS_MEMBER(default_file_name)
 209   IPC_STRUCT_TRAITS_MEMBER(accept_types)
 210   IPC_STRUCT_TRAITS_MEMBER(need_local_path)
 211 #if defined(OS_ANDROID)
 212   IPC_STRUCT_TRAITS_MEMBER(capture)
 213 #endif
 214 IPC_STRUCT_TRAITS_END()
 215
 216 #if defined(ENABLE_PLUGINS)
 217 IPC_STRUCT_TRAITS_BEGIN(content::PepperRendererInstanceData)
 218   IPC_STRUCT_TRAITS_MEMBER(render_process_id)
 219   IPC_STRUCT_TRAITS_MEMBER(render_frame_id)
 220   IPC_STRUCT_TRAITS_MEMBER(document_url)
 221   IPC_STRUCT_TRAITS_MEMBER(plugin_url)
 222 IPC_STRUCT_TRAITS_END()
 223 #endif
 224
 225 IPC_STRUCT_TRAITS_BEGIN(content::RendererPreferences)
 226   IPC_STRUCT_TRAITS_MEMBER(can_accept_load_drops)
 227   IPC_STRUCT_TRAITS_MEMBER(should_antialias_text)
 228   IPC_STRUCT_TRAITS_MEMBER(hinting)
 229   IPC_STRUCT_TRAITS_MEMBER(use_autohinter)
 230   IPC_STRUCT_TRAITS_MEMBER(use_bitmaps)
 231   IPC_STRUCT_TRAITS_MEMBER(subpixel_rendering)
 232   IPC_STRUCT_TRAITS_MEMBER(use_subpixel_positioning)
 233   IPC_STRUCT_TRAITS_MEMBER(focus_ring_color)
 234   IPC_STRUCT_TRAITS_MEMBER(thumb_active_color)
 235   IPC_STRUCT_TRAITS_MEMBER(thumb_inactive_color)
 236   IPC_STRUCT_TRAITS_MEMBER(track_color)
 237   IPC_STRUCT_TRAITS_MEMBER(active_selection_bg_color)
 238   IPC_STRUCT_TRAITS_MEMBER(active_selection_fg_color)
 239   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_bg_color)
 240   IPC_STRUCT_TRAITS_MEMBER(inactive_selection_fg_color)
 241   IPC_STRUCT_TRAITS_MEMBER(browser_handles_non_local_top_level_requests)
 242   IPC_STRUCT_TRAITS_MEMBER(browser_handles_all_top_level_requests)
 243   IPC_STRUCT_TRAITS_MEMBER(caret_blink_interval)
 244   IPC_STRUCT_TRAITS_MEMBER(use_custom_colors)
 245   IPC_STRUCT_TRAITS_MEMBER(enable_referrers)
 246   IPC_STRUCT_TRAITS_MEMBER(enable_do_not_track)
 247   IPC_STRUCT_TRAITS_MEMBER(enable_webrtc_multiple_routes)
 248   IPC_STRUCT_TRAITS_MEMBER(default_zoom_level)
 249   IPC_STRUCT_TRAITS_MEMBER(user_agent_override)
 250   IPC_STRUCT_TRAITS_MEMBER(accept_languages)
 251   IPC_STRUCT_TRAITS_MEMBER(report_frame_name_changes)
 252   IPC_STRUCT_TRAITS_MEMBER(tap_multiple_targets_strategy)
 253   IPC_STRUCT_TRAITS_MEMBER(disable_client_blocked_error_page)
 254   IPC_STRUCT_TRAITS_MEMBER(plugin_fullscreen_allowed)
 255   IPC_STRUCT_TRAITS_MEMBER(use_video_overlay_for_embedded_encrypted_video)
 256   IPC_STRUCT_TRAITS_MEMBER(use_view_overlay_for_all_video)
 257   IPC_STRUCT_TRAITS_MEMBER(network_contry_iso)
 258 #if defined(OS_WIN)
 259   IPC_STRUCT_TRAITS_MEMBER(caption_font_family_name)
 260   IPC_STRUCT_TRAITS_MEMBER(caption_font_height)
 261   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_family_name)
 262   IPC_STRUCT_TRAITS_MEMBER(small_caption_font_height)
 263   IPC_STRUCT_TRAITS_MEMBER(menu_font_family_name)
 264   IPC_STRUCT_TRAITS_MEMBER(menu_font_height)
 265   IPC_STRUCT_TRAITS_MEMBER(status_font_family_name)
 266   IPC_STRUCT_TRAITS_MEMBER(status_font_height)
 267   IPC_STRUCT_TRAITS_MEMBER(message_font_family_name)
 268   IPC_STRUCT_TRAITS_MEMBER(message_font_height)
 269   IPC_STRUCT_TRAITS_MEMBER(vertical_scroll_bar_width_in_dips)
 270   IPC_STRUCT_TRAITS_MEMBER(horizontal_scroll_bar_height_in_dips)
 271   IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_height_vertical_scroll_bar_in_dips)
 272   IPC_STRUCT_TRAITS_MEMBER(arrow_bitmap_width_horizontal_scroll_bar_in_dips)
 273 #endif
 274 IPC_STRUCT_TRAITS_END()
 275
 276 IPC_STRUCT_TRAITS_BEGIN(content::WebPluginGeometry)
 277   IPC_STRUCT_TRAITS_MEMBER(window)
 278   IPC_STRUCT_TRAITS_MEMBER(window_rect)
 279   IPC_STRUCT_TRAITS_MEMBER(clip_rect)
 280   IPC_STRUCT_TRAITS_MEMBER(cutout_rects)
 281   IPC_STRUCT_TRAITS_MEMBER(rects_valid)
 282   IPC_STRUCT_TRAITS_MEMBER(visible)
 283 IPC_STRUCT_TRAITS_END()
 284
 285 IPC_STRUCT_TRAITS_BEGIN(media::MediaLogEvent)
 286   IPC_STRUCT_TRAITS_MEMBER(id)
 287   IPC_STRUCT_TRAITS_MEMBER(type)
 288   IPC_STRUCT_TRAITS_MEMBER(params)
 289   IPC_STRUCT_TRAITS_MEMBER(time)
 290 IPC_STRUCT_TRAITS_END()
 291
 292 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWindow_Params)
 293   // Routing ID of the view initiating the open.
 294   IPC_STRUCT_MEMBER(int, opener_id)
 295
 296   // True if this open request came in the context of a user gesture.
 297   IPC_STRUCT_MEMBER(bool, user_gesture)
 298
 299   // Type of window requested.
 300   IPC_STRUCT_MEMBER(WindowContainerType, window_container_type)
 301
 302   // The session storage namespace ID this view should use.
 303   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 304
 305   // The name of the resulting frame that should be created (empty if none
 306   // has been specified).
 307   IPC_STRUCT_MEMBER(base::string16, frame_name)
 308
 309   // The routing id of the frame initiating the open.
 310   IPC_STRUCT_MEMBER(int, opener_render_frame_id)
 311
 312   // The URL of the frame initiating the open.
 313   IPC_STRUCT_MEMBER(GURL, opener_url)
 314
 315   // The URL of the top frame containing the opener.
 316   IPC_STRUCT_MEMBER(GURL, opener_top_level_frame_url)
 317
 318   // The security origin of the frame initiating the open.
 319   IPC_STRUCT_MEMBER(GURL, opener_security_origin)
 320
 321   // Whether the opener will be suppressed in the new window, in which case
 322   // scripting the new window is not allowed.
 323   IPC_STRUCT_MEMBER(bool, opener_suppressed)
 324
 325   // Whether the window should be opened in the foreground, background, etc.
 326   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
 327
 328   // The URL that will be loaded in the new window (empty if none has been
 329   // sepcified).
 330   IPC_STRUCT_MEMBER(GURL, target_url)
 331
 332   // The referrer that will be used to load |target_url| (empty if none has
 333   // been specified).
 334   IPC_STRUCT_MEMBER(content::Referrer, referrer)
 335
 336   // The window features to use for the new view.
 337   IPC_STRUCT_MEMBER(blink::WebWindowFeatures, features)
 338
 339   // The additional window features to use for the new view. We pass these
 340   // separately from |features| above because we cannot serialize WebStrings
 341   // over IPC.
 342   IPC_STRUCT_MEMBER(std::vector<base::string16>, additional_features)
 343 IPC_STRUCT_END()
 344
 345 IPC_STRUCT_BEGIN(ViewHostMsg_CreateWorker_Params)
 346   // URL for the worker script.
 347   IPC_STRUCT_MEMBER(GURL, url)
 348
 349   // Name for a SharedWorker, otherwise empty string.
 350   IPC_STRUCT_MEMBER(base::string16, name)
 351
 352   // Security policy used in the worker.
 353   IPC_STRUCT_MEMBER(base::string16, content_security_policy)
 354
 355   // Security policy type used in the worker.
 356   IPC_STRUCT_MEMBER(blink::WebContentSecurityPolicyType, security_policy_type)
 357
 358   // The ID of the parent document (unique within parent renderer).
 359   IPC_STRUCT_MEMBER(unsigned long long, document_id)
 360
 361   // RenderFrame routing id used to send messages back to the parent.
 362   IPC_STRUCT_MEMBER(int, render_frame_route_id)
 363 IPC_STRUCT_END()
 364
 365 IPC_STRUCT_BEGIN(ViewHostMsg_DateTimeDialogValue_Params)
 366   IPC_STRUCT_MEMBER(ui::TextInputType, dialog_type)
 367   IPC_STRUCT_MEMBER(double, dialog_value)
 368   IPC_STRUCT_MEMBER(double, minimum)
 369   IPC_STRUCT_MEMBER(double, maximum)
 370   IPC_STRUCT_MEMBER(double, step)
 371   IPC_STRUCT_MEMBER(std::vector<content::DateTimeSuggestion>, suggestions)
 372 IPC_STRUCT_END()
 373
 374 IPC_STRUCT_BEGIN(ViewHostMsg_SelectionBounds_Params)
 375   IPC_STRUCT_MEMBER(gfx::Rect, anchor_rect)
 376   IPC_STRUCT_MEMBER(blink::WebTextDirection, anchor_dir)
 377   IPC_STRUCT_MEMBER(gfx::Rect, focus_rect)
 378   IPC_STRUCT_MEMBER(blink::WebTextDirection, focus_dir)
 379   IPC_STRUCT_MEMBER(bool, is_anchor_first)
 380 IPC_STRUCT_END()
 381
 382 IPC_STRUCT_BEGIN(ViewHostMsg_TextInputState_Params)
 383   // The type of input field
 384   IPC_STRUCT_MEMBER(ui::TextInputType, type)
 385
 386   // The flags of the input field (autocorrect, autocomplete, etc.)
 387   IPC_STRUCT_MEMBER(int, flags)
 388
 389   // The value of the input field
 390   IPC_STRUCT_MEMBER(std::string, value)
 391
 392   // The cursor position of the current selection start, or the caret position
 393   // if nothing is selected
 394   IPC_STRUCT_MEMBER(int, selection_start)
 395
 396   // The cursor position of the current selection end, or the caret position
 397   // if nothing is selected
 398   IPC_STRUCT_MEMBER(int, selection_end)
 399
 400   // The start position of the current composition, or -1 if there is none
 401   IPC_STRUCT_MEMBER(int, composition_start)
 402
 403   // The end position of the current composition, or -1 if there is none
 404   IPC_STRUCT_MEMBER(int, composition_end)
 405
 406   // Whether or not inline composition can be performed for the current input.
 407   IPC_STRUCT_MEMBER(bool, can_compose_inline)
 408
 409   // Whether or not the IME should be shown as a result of this update. Even if
 410   // true, the IME will only be shown if the type is appropriate (e.g. not
 411   // TEXT_INPUT_TYPE_NONE).
 412   IPC_STRUCT_MEMBER(bool, show_ime_if_needed)
 413
 414   // Whether this change is originated from non-IME (e.g. Javascript, Autofill).
 415   IPC_STRUCT_MEMBER(bool, is_non_ime_change)
 416 IPC_STRUCT_END()
 417
 418 IPC_STRUCT_BEGIN(ViewHostMsg_UpdateRect_Params)
 419   // The size of the RenderView when this message was generated.  This is
 420   // included so the host knows how large the view is from the perspective of
 421   // the renderer process.  This is necessary in case a resize operation is in
 422   // progress. If auto-resize is enabled, this should update the corresponding
 423   // view size.
 424   IPC_STRUCT_MEMBER(gfx::Size, view_size)
 425
 426   // New window locations for plugin child windows.
 427   IPC_STRUCT_MEMBER(std::vector<content::WebPluginGeometry>,
 428                     plugin_window_moves)
 429
 430   // The following describes the various bits that may be set in flags:
 431   //
 432   //   ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK
 433   //     Indicates that this is a response to a ViewMsg_Resize message.
 434   //
 435   //   ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK
 436   //     Indicates that this is a response to a ViewMsg_Repaint message.
 437   //
 438   // If flags is zero, then this message corresponds to an unsolicited paint
 439   // request by the render view.  Any of the above bits may be set in flags,
 440   // which would indicate that this paint message is an ACK for multiple
 441   // request messages.
 442   IPC_STRUCT_MEMBER(int, flags)
 443 IPC_STRUCT_END()
 444
 445 IPC_STRUCT_BEGIN(ViewMsg_Resize_Params)
 446   // Information about the screen (dpi, depth, etc..).
 447   IPC_STRUCT_MEMBER(blink::WebScreenInfo, screen_info)
 448   // The size of the renderer.
 449   IPC_STRUCT_MEMBER(gfx::Size, new_size)
 450   // The size of the view's backing surface in non-DPI-adjusted pixels.
 451   IPC_STRUCT_MEMBER(gfx::Size, physical_backing_size)
 452   // Whether or not Blink's viewport size should be shrunk by the height of the
 453   // URL-bar (always false on platforms where URL-bar hiding isn't supported).
 454   IPC_STRUCT_MEMBER(bool, top_controls_shrink_blink_size)
 455   // The height of the top controls (always 0 on platforms where URL-bar hiding
 456   // isn't supported).
 457   IPC_STRUCT_MEMBER(float, top_controls_height)
 458   // The size of the visible viewport, which may be smaller than the view if the
 459   // view is partially occluded (e.g. by a virtual keyboard).  The size is in
 460   // DPI-adjusted pixels.
 461   IPC_STRUCT_MEMBER(gfx::Size, visible_viewport_size)
 462   // The resizer rect.
 463   IPC_STRUCT_MEMBER(gfx::Rect, resizer_rect)
 464   // Indicates whether tab-initiated fullscreen was granted.
 465   IPC_STRUCT_MEMBER(bool, is_fullscreen_granted)
 466   // The display mode.
 467   IPC_STRUCT_MEMBER(blink::WebDisplayMode, display_mode)
 468   // If set, requests the renderer to reply with a ViewHostMsg_UpdateRect
 469   // with the ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK bit set in flags.
 470   IPC_STRUCT_MEMBER(bool, needs_resize_ack)
 471 IPC_STRUCT_END()
 472
 473 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
 474   // Renderer-wide preferences.
 475   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 476
 477   // Preferences for this view.
 478   IPC_STRUCT_MEMBER(content::WebPreferences, web_preferences)
 479
 480   // The ID of the view to be created.
 481   IPC_STRUCT_MEMBER(int32, view_id)
 482
 483   // The ID of the main frame hosted in the view.
 484   IPC_STRUCT_MEMBER(int32, main_frame_routing_id)
 485
 486   // The ID of the rendering surface.
 487   IPC_STRUCT_MEMBER(int32, surface_id)
 488
 489   // The session storage namespace ID this view should use.
 490   IPC_STRUCT_MEMBER(int64, session_storage_namespace_id)
 491
 492   // The name of the frame associated with this view (or empty if none).
 493   IPC_STRUCT_MEMBER(base::string16, frame_name)
 494
 495   // The route ID of the opener RenderView if we need to set one
 496   // (MSG_ROUTING_NONE otherwise).
 497   IPC_STRUCT_MEMBER(int, opener_route_id)
 498
 499   // Whether the RenderView should initially be swapped out.
 500   IPC_STRUCT_MEMBER(bool, swapped_out)
 501
 502   // In --site-per-process mode, if this view is |swapped_out|, its main frame
 503   // will become a RenderFrameProxy.  |replicated_frame_state| is used to
 504   // replicate information such as security origin to that RenderFrameProxy.
 505   IPC_STRUCT_MEMBER(content::FrameReplicationState, replicated_frame_state)
 506
 507   // The ID of the proxy object for the main frame in this view. It is only
 508   // used if |swapped_out| is true.
 509   IPC_STRUCT_MEMBER(int32, proxy_routing_id)
 510
 511   // Whether the RenderView should initially be hidden.
 512   IPC_STRUCT_MEMBER(bool, hidden)
 513
 514   // Whether the RenderView will never be visible.
 515   IPC_STRUCT_MEMBER(bool, never_visible)
 516
 517   // Whether the window associated with this view was created with an opener.
 518   IPC_STRUCT_MEMBER(bool, window_was_created_with_opener)
 519
 520   // The initial page ID to use for this view, which must be larger than any
 521   // existing navigation that might be loaded in the view.  Page IDs are unique
 522   // to a view and are only updated by the renderer after this initial value.
 523   IPC_STRUCT_MEMBER(int32, next_page_id)
 524
 525   // The initial renderer size.
 526   IPC_STRUCT_MEMBER(ViewMsg_Resize_Params, initial_size)
 527
 528   // Whether to enable auto-resize.
 529   IPC_STRUCT_MEMBER(bool, enable_auto_resize)
 530
 531   // The minimum size to layout the page if auto-resize is enabled.
 532   IPC_STRUCT_MEMBER(gfx::Size, min_size)
 533
 534   // The maximum size to layout the page if auto-resize is enabled.
 535   IPC_STRUCT_MEMBER(gfx::Size, max_size)
 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 // Enables device emulation. See WebDeviceEmulationParams for description.
 618 IPC_MESSAGE_ROUTED1(ViewMsg_EnableDeviceEmulation,
 619                     blink::WebDeviceEmulationParams /* params */)
 620
 621 // Disables device emulation, enabled previously by EnableDeviceEmulation.
 622 IPC_MESSAGE_ROUTED0(ViewMsg_DisableDeviceEmulation)
 623
 624 // Sent to inform the renderer of its screen device color profile. An empty
 625 // profile tells the renderer use the default sRGB color profile.
 626 IPC_MESSAGE_ROUTED1(ViewMsg_ColorProfile,
 627                     std::vector<char> /* color profile */)
 628
 629 // Tells the render view that the resize rect has changed.
 630 IPC_MESSAGE_ROUTED1(ViewMsg_ChangeResizeRect,
 631                     gfx::Rect /* resizer_rect */)
 632
 633 // Sent to inform the view that it was hidden.  This allows it to reduce its
 634 // resource utilization.
 635 IPC_MESSAGE_ROUTED0(ViewMsg_WasHidden)
 636
 637 // Tells the render view that it is no longer hidden (see WasHidden), and the
 638 // render view is expected to respond with a full repaint if needs_repainting
 639 // is true. If needs_repainting is false, then this message does not trigger a
 640 // message in response.
 641 IPC_MESSAGE_ROUTED2(ViewMsg_WasShown,
 642                     bool /* needs_repainting */,
 643                     ui::LatencyInfo /* latency_info */)
 644
 645 // Tells the renderer to focus the first (last if reverse is true) focusable
 646 // node.
 647 IPC_MESSAGE_ROUTED1(ViewMsg_SetInitialFocus,
 648                     bool /* reverse */)
 649
 650 // Sent to inform the renderer to invoke a context menu.
 651 // The parameter specifies the location in the render view's coordinates.
 652 IPC_MESSAGE_ROUTED2(ViewMsg_ShowContextMenu,
 653                     ui::MenuSourceType,
 654                     gfx::Point /* location where menu should be shown */)
 655
 656 // Sent when the user wants to search for a word on the page (find in page).
 657 IPC_MESSAGE_ROUTED3(ViewMsg_Find,
 658                     int /* request_id */,
 659                     base::string16 /* search_text */,
 660                     blink::WebFindOptions)
 661
 662 // This message notifies the renderer that the user has closed the FindInPage
 663 // window (and what action to take regarding the selection).
 664 IPC_MESSAGE_ROUTED1(ViewMsg_StopFinding,
 665                     content::StopFindAction /* action */)
 666
 667 // Copies the image at location x, y to the clipboard (if there indeed is an
 668 // image at that location).
 669 IPC_MESSAGE_ROUTED2(ViewMsg_CopyImageAt,
 670                     int /* x */,
 671                     int /* y */)
 672
 673 // Saves the image at location x, y to the disk (if there indeed is an
 674 // image at that location).
 675 IPC_MESSAGE_ROUTED2(ViewMsg_SaveImageAt,
 676                     int /* x */,
 677                     int /* y */)
 678
 679 // Tells the renderer to perform the given action on the media player
 680 // located at the given point.
 681 IPC_MESSAGE_ROUTED2(ViewMsg_MediaPlayerActionAt,
 682                     gfx::Point, /* location */
 683                     blink::WebMediaPlayerAction)
 684
 685 // Tells the renderer to perform the given action on the plugin located at
 686 // the given point.
 687 IPC_MESSAGE_ROUTED2(ViewMsg_PluginActionAt,
 688                     gfx::Point, /* location */
 689                     blink::WebPluginAction)
 690
 691 // Resets the page scale for the current main frame to the default page scale.
 692 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageScale)
 693
 694 // Change the zoom level for the current main frame.  If the level actually
 695 // changes, a ViewHostMsg_DidZoomURL message will be sent back to the browser
 696 // telling it what url got zoomed and what its current zoom level is.
 697 IPC_MESSAGE_ROUTED1(ViewMsg_Zoom,
 698                     content::PageZoom /* function */)
 699
 700 // Set the zoom level for a particular url that the renderer is in the
 701 // process of loading.  This will be stored, to be used if the load commits
 702 // and ignored otherwise.
 703 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForLoadingURL,
 704                     GURL /* url */,
 705                     double /* zoom_level */)
 706
 707 // Set the zoom level for a particular url, so all render views
 708 // displaying this url can update their zoom levels to match.
 709 // If scheme is empty, then only host is used for matching.
 710 IPC_MESSAGE_CONTROL3(ViewMsg_SetZoomLevelForCurrentURL,
 711                      std::string /* scheme */,
 712                      std::string /* host */,
 713                      double /* zoom_level */)
 714
 715 // Set the zoom level for a particular render view.
 716 IPC_MESSAGE_ROUTED2(ViewMsg_SetZoomLevelForView,
 717                     bool /* uses_temporary_zoom_level */,
 718                     double /* zoom_level */)
 719
 720 // Change encoding of page in the renderer.
 721 IPC_MESSAGE_ROUTED1(ViewMsg_SetPageEncoding,
 722                     std::string /*new encoding name*/)
 723
 724 // Reset encoding of page in the renderer back to default.
 725 IPC_MESSAGE_ROUTED0(ViewMsg_ResetPageEncodingToDefault)
 726
 727 // Used to tell a render view whether it should expose various bindings
 728 // that allow JS content extended privileges.  See BindingsPolicy for valid
 729 // flag values.
 730 IPC_MESSAGE_ROUTED1(ViewMsg_AllowBindings,
 731                     int /* enabled_bindings_flags */)
 732
 733 // Tell the renderer to add a property to the WebUI binding object.  This
 734 // only works if we allowed WebUI bindings.
 735 IPC_MESSAGE_ROUTED2(ViewMsg_SetWebUIProperty,
 736                     std::string /* property_name */,
 737                     std::string /* property_value_json */)
 738
 739 // This message starts/stop monitoring the input method status of the focused
 740 // edit control of a renderer process.
 741 // Parameters
 742 // * is_active (bool)
 743 //   Indicates if an input method is active in the browser process.
 744 //   The possible actions when a renderer process receives this message are
 745 //   listed below:
 746 //     Value Action
 747 //     true  Start sending IPC message ViewHostMsg_ImeUpdateTextInputState
 748 //           to notify the input method status of the focused edit control.
 749 //     false Stop sending IPC message ViewHostMsg_ImeUpdateTextInputState.
 750 IPC_MESSAGE_ROUTED1(ViewMsg_SetInputMethodActive,
 751                     bool /* is_active */)
 752
 753 // IME API oncandidatewindow* events for InputMethodContext.
 754 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowShown)
 755 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowUpdated)
 756 IPC_MESSAGE_ROUTED0(ViewMsg_CandidateWindowHidden)
 757
 758 // Used to notify the render-view that we have received a target URL. Used
 759 // to prevent target URLs spamming the browser.
 760 IPC_MESSAGE_ROUTED0(ViewMsg_UpdateTargetURL_ACK)
 761
 762 IPC_MESSAGE_ROUTED1(ViewMsg_RunFileChooserResponse,
 763                     std::vector<content::FileChooserFileInfo>)
 764
 765 // Provides the results of directory enumeration.
 766 IPC_MESSAGE_ROUTED2(ViewMsg_EnumerateDirectoryResponse,
 767                     int /* request_id */,
 768                     std::vector<base::FilePath> /* files_in_directory */)
 769
 770 // When a renderer sends a ViewHostMsg_Focus to the browser process,
 771 // the browser has the option of sending a ViewMsg_CantFocus back to
 772 // the renderer.
 773 IPC_MESSAGE_ROUTED0(ViewMsg_CantFocus)
 774
 775 // Tells the renderer to suppress any further modal dialogs until it receives a
 776 // corresponding ViewMsg_SwapOut message.  This ensures that no
 777 // PageGroupLoadDeferrer is on the stack for SwapOut.
 778 IPC_MESSAGE_ROUTED0(ViewMsg_SuppressDialogsUntilSwapOut)
 779
 780 // Instructs the renderer to close the current page, including running the
 781 // onunload event handler.
 782 //
 783 // Expects a ClosePage_ACK message when finished.
 784 IPC_MESSAGE_ROUTED0(ViewMsg_ClosePage)
 785
 786 // Notifies the renderer about ui theme changes
 787 IPC_MESSAGE_ROUTED0(ViewMsg_ThemeChanged)
 788
 789 // Notifies the renderer that a paint is to be generated for the rectangle
 790 // passed in.
 791 IPC_MESSAGE_ROUTED1(ViewMsg_Repaint,
 792                     gfx::Size /* The view size to be repainted */)
 793
 794 // Notification that a move or resize renderer's containing window has
 795 // started.
 796 IPC_MESSAGE_ROUTED0(ViewMsg_MoveOrResizeStarted)
 797
 798 IPC_MESSAGE_ROUTED2(ViewMsg_UpdateScreenRects,
 799                     gfx::Rect /* view_screen_rect */,
 800                     gfx::Rect /* window_screen_rect */)
 801
 802 // Reply to ViewHostMsg_RequestMove, ViewHostMsg_ShowView, and
 803 // ViewHostMsg_ShowWidget to inform the renderer that the browser has
 804 // processed the move.  The browser may have ignored the move, but it finished
 805 // processing.  This is used because the renderer keeps a temporary cache of
 806 // the widget position while these asynchronous operations are in progress.
 807 IPC_MESSAGE_ROUTED0(ViewMsg_Move_ACK)
 808
 809 // Used to instruct the RenderView to send back updates to the preferred size.
 810 IPC_MESSAGE_ROUTED0(ViewMsg_EnablePreferredSizeChangedMode)
 811
 812 // Used to instruct the RenderView to automatically resize and send back
 813 // updates for the new size.
 814 IPC_MESSAGE_ROUTED2(ViewMsg_EnableAutoResize,
 815                     gfx::Size /* min_size */,
 816                     gfx::Size /* max_size */)
 817
 818 // Used to instruct the RenderView to disalbe automatically resize.
 819 IPC_MESSAGE_ROUTED1(ViewMsg_DisableAutoResize,
 820                     gfx::Size /* new_size */)
 821
 822 // Changes the text direction of the currently selected input field (if any).
 823 IPC_MESSAGE_ROUTED1(ViewMsg_SetTextDirection,
 824                     blink::WebTextDirection /* direction */)
 825
 826 // Tells the renderer to clear the focused element (if any).
 827 IPC_MESSAGE_ROUTED0(ViewMsg_ClearFocusedElement)
 828
 829 // Make the RenderView background transparent or opaque.
 830 IPC_MESSAGE_ROUTED1(ViewMsg_SetBackgroundOpaque, bool /* opaque */)
 831
 832 // Used to tell the renderer not to add scrollbars with height and
 833 // width below a threshold.
 834 IPC_MESSAGE_ROUTED1(ViewMsg_DisableScrollbarsForSmallWindows,
 835                     gfx::Size /* disable_scrollbar_size_limit */)
 836
 837 // Activate/deactivate the RenderView (i.e., set its controls' tint
 838 // accordingly, etc.).
 839 IPC_MESSAGE_ROUTED1(ViewMsg_SetActive,
 840                     bool /* active */)
 841
 842 // Response message to ViewHostMsg_CreateWorker.
 843 // Sent when the worker has started.
 844 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerCreated)
 845
 846 // Sent when the worker failed to load the worker script.
 847 // In normal cases, this message is sent after ViewMsg_WorkerCreated is sent.
 848 // But if the shared worker of the same URL already exists and it has failed
 849 // to load the script, when the renderer send ViewHostMsg_CreateWorker before
 850 // the shared worker is killed only ViewMsg_WorkerScriptLoadFailed is sent.
 851 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerScriptLoadFailed)
 852
 853 // Sent when the worker has connected.
 854 // This message is sent only if the worker successfully loaded the script.
 855 IPC_MESSAGE_ROUTED0(ViewMsg_WorkerConnected)
 856
 857 // Tells the renderer that the network type has changed so that navigator.onLine
 858 // and navigator.connection can be updated.
 859 IPC_MESSAGE_CONTROL1(ViewMsg_NetworkTypeChanged,
 860                      net::NetworkChangeNotifier::ConnectionType /* type */)
 861
 862 #if defined(ENABLE_PLUGINS)
 863 // Reply to ViewHostMsg_OpenChannelToPpapiBroker
 864 // Tells the renderer that the channel to the broker has been created.
 865 IPC_MESSAGE_ROUTED2(ViewMsg_PpapiBrokerChannelCreated,
 866                     base::ProcessId /* broker_pid */,
 867                     IPC::ChannelHandle /* handle */)
 868
 869 // Reply to ViewHostMsg_RequestPpapiBrokerPermission.
 870 // Tells the renderer whether permission to access to PPAPI broker was granted
 871 // or not.
 872 IPC_MESSAGE_ROUTED1(ViewMsg_PpapiBrokerPermissionResult,
 873                     bool /* result */)
 874
 875 // Tells the renderer to empty its plugin list cache, optional reloading
 876 // pages containing plugins.
 877 IPC_MESSAGE_CONTROL1(ViewMsg_PurgePluginListCache,
 878                      bool /* reload_pages */)
 879 #endif
 880
 881 // Used to instruct the RenderView to go into "view source" mode.
 882 IPC_MESSAGE_ROUTED0(ViewMsg_EnableViewSourceMode)
 883
 884 // Instructs the renderer to save the current page to MHTML.
 885 IPC_MESSAGE_ROUTED2(ViewMsg_SavePageAsMHTML,
 886                     int /* job_id */,
 887                     IPC::PlatformFileForTransit /* file handle */)
 888
 889 // Temporary message to diagnose an unexpected condition in WebContentsImpl.
 890 IPC_MESSAGE_CONTROL1(ViewMsg_TempCrashWithData,
 891                      GURL /* data */)
 892
 893 // An acknowledge to ViewHostMsg_MultipleTargetsTouched to notify the renderer
 894 // process to release the magnified image.
 895 IPC_MESSAGE_ROUTED1(ViewMsg_ReleaseDisambiguationPopupBitmap,
 896                     cc::SharedBitmapId /* id */)
 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_rect parameter is 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_rect */,
1054                     bool /* opened_by_user_gesture */)
1055
1056 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowWidget,
1057                     int /* route_id */,
1058                     gfx::Rect /* initial_rect */)
1059
1060 // Message to show a full screen widget.
1061 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
1062                     int /* route_id */)
1063
1064 // Indicates the renderer is ready in response to a ViewMsg_New or
1065 // a ViewMsg_CreatingNew_ACK.
1066 IPC_MESSAGE_ROUTED0(ViewHostMsg_RenderViewReady)
1067
1068 // Sent by the renderer process to request that the browser close the view.
1069 // This corresponds to the window.close() API, and the browser may ignore
1070 // this message.  Otherwise, the browser will generates a ViewMsg_Close
1071 // message to close the view.
1072 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
1073
1074 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
1075 // throttle these messages.
1076 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
1077
1078 // Sent by the renderer process to request that the browser move the view.
1079 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
1080 // the browser may ignore this message.
1081 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
1082                     gfx::Rect /* position */)
1083
1084 // Result of string search in the page.
1085 // Response to ViewMsg_Find with the results of the requested find-in-page
1086 // search, the number of matches found and the selection rect (in screen
1087 // coordinates) for the string found. If |final_update| is false, it signals
1088 // that this is not the last Find_Reply message - more will be sent as the
1089 // scoping effort continues.
1090 IPC_MESSAGE_ROUTED5(ViewHostMsg_Find_Reply,
1091                     int /* request_id */,
1092                     int /* number of matches */,
1093                     gfx::Rect /* selection_rect */,
1094                     int /* active_match_ordinal */,
1095                     bool /* final_update */)
1096
1097 // Indicates that the render view has been closed in respose to a
1098 // Close message.
1099 IPC_MESSAGE_CONTROL1(ViewHostMsg_Close_ACK,
1100                      int /* old_route_id */)
1101
1102 // Indicates that the current page has been closed, after a ClosePage
1103 // message.
1104 IPC_MESSAGE_ROUTED0(ViewHostMsg_ClosePage_ACK)
1105
1106 // Notifies the browser that we have session history information.
1107 // page_id: unique ID that allows us to distinguish between history entries.
1108 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateState,
1109                     int32 /* page_id */,
1110                     content::PageState /* state */)
1111
1112 // Notifies the browser that we want to show a destination url for a potential
1113 // action (e.g. when the user is hovering over a link).
1114 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateTargetURL,
1115                     GURL)
1116
1117 // Sent when the document element is available for the top-level frame.  This
1118 // happens after the page starts loading, but before all resources are
1119 // finished.
1120 IPC_MESSAGE_ROUTED1(ViewHostMsg_DocumentAvailableInMainFrame,
1121                     bool /* uses_temporary_zoom_level */)
1122
1123 // Sent when the renderer loads a resource from its memory cache.
1124 // The security info is non empty if the resource was originally loaded over
1125 // a secure connection.
1126 // Note: May only be sent once per URL per frame per committed load.
1127 IPC_MESSAGE_ROUTED5(ViewHostMsg_DidLoadResourceFromMemoryCache,
1128                     GURL /* url */,
1129                     std::string  /* security info */,
1130                     std::string  /* http method */,
1131                     std::string  /* mime type */,
1132                     content::ResourceType /* resource type */)
1133
1134 // Sent when the renderer displays insecure content in a secure page.
1135 IPC_MESSAGE_ROUTED0(ViewHostMsg_DidDisplayInsecureContent)
1136
1137 // Sent when the renderer runs insecure content in a secure origin.
1138 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidRunInsecureContent,
1139                     std::string  /* security_origin */,
1140                     GURL         /* target URL */)
1141
1142 // Sent to update part of the view.  In response to this message, the host
1143 // generates a ViewMsg_UpdateRect_ACK message.
1144 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateRect,
1145                     ViewHostMsg_UpdateRect_Params)
1146
1147 IPC_MESSAGE_ROUTED0(ViewHostMsg_Focus)
1148 IPC_MESSAGE_ROUTED0(ViewHostMsg_Blur)
1149
1150 // Message sent from renderer to the browser when focus changes inside the
1151 // webpage. The first parameter says whether the newly focused element needs
1152 // keyboard input (true for textfields, text areas and content editable divs).
1153 // The second parameter is the node bounds relative to RenderWidgetHostView.
1154 IPC_MESSAGE_ROUTED2(ViewHostMsg_FocusedNodeChanged,
1155                     bool /* is_editable_node */,
1156                     gfx::Rect /* node_bounds */)
1157
1158 IPC_MESSAGE_ROUTED1(ViewHostMsg_SetCursor, content::WebCursor)
1159
1160 // Used to set a cookie. The cookie is set asynchronously, but will be
1161 // available to a subsequent ViewHostMsg_GetCookies request.
1162 IPC_MESSAGE_CONTROL4(ViewHostMsg_SetCookie,
1163                      int /* render_frame_id */,
1164                      GURL /* url */,
1165                      GURL /* first_party_for_cookies */,
1166                      std::string /* cookie */)
1167
1168 // Used to get cookies for the given URL. This may block waiting for a
1169 // previous SetCookie message to be processed.
1170 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_GetCookies,
1171                             int /* render_frame_id */,
1172                             GURL /* url */,
1173                             GURL /* first_party_for_cookies */,
1174                             std::string /* cookies */)
1175
1176 // Used to check if cookies are enabled for the given URL. This may block
1177 // waiting for a previous SetCookie message to be processed.
1178 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_CookiesEnabled,
1179                             int /* render_frame_id */,
1180                             GURL /* url */,
1181                             GURL /* first_party_for_cookies */,
1182                             bool /* cookies_enabled */)
1183
1184 // Used to get the list of plugins
1185 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_GetPlugins,
1186     bool /* refresh*/,
1187     std::vector<content::WebPluginInfo> /* plugins */)
1188
1189 #if defined(OS_WIN)
1190 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowCreated,
1191                     gfx::NativeViewId /* dummy_activation_window */)
1192
1193 IPC_MESSAGE_ROUTED1(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
1194                     gfx::NativeViewId /* dummy_activation_window */)
1195
1196 // Asks the browser for the user's monitor profile.
1197 IPC_SYNC_MESSAGE_CONTROL0_1(ViewHostMsg_GetMonitorColorProfile,
1198                             std::vector<char> /* profile */)
1199 #endif
1200
1201 // Get the list of proxies to use for |url|, as a semicolon delimited list
1202 // of "<TYPE> <HOST>:<PORT>" | "DIRECT".
1203 IPC_SYNC_MESSAGE_CONTROL1_2(ViewHostMsg_ResolveProxy,
1204                             GURL /* url */,
1205                             bool /* result */,
1206                             std::string /* proxy list */)
1207
1208 // A renderer sends this to the browser process when it wants to create a
1209 // worker.  The browser will create the worker process if necessary, and
1210 // will return the route id on success.  On error returns MSG_ROUTING_NONE.
1211 IPC_SYNC_MESSAGE_CONTROL1_1(ViewHostMsg_CreateWorker,
1212                             ViewHostMsg_CreateWorker_Params,
1213                             int /* route_id */)
1214
1215 // A renderer sends this to the browser process when a document has been
1216 // detached. The browser will use this to constrain the lifecycle of worker
1217 // processes (SharedWorkers are shut down when their last associated document
1218 // is detached).
1219 IPC_MESSAGE_CONTROL1(ViewHostMsg_DocumentDetached,
1220                      uint64 /* document_id */)
1221
1222 // Wraps an IPC message that's destined to the worker on the renderer->browser
1223 // hop.
1224 IPC_MESSAGE_CONTROL1(ViewHostMsg_ForwardToWorker,
1225                      IPC::Message /* message */)
1226
1227 // Tells the browser that a specific Appcache manifest in the current page
1228 // was accessed.
1229 IPC_MESSAGE_ROUTED2(ViewHostMsg_AppCacheAccessed,
1230                     GURL /* manifest url */,
1231                     bool /* blocked by policy */)
1232
1233 // Initiates a download based on user actions like 'ALT+click'.
1234 IPC_MESSAGE_CONTROL4(ViewHostMsg_DownloadUrl,
1235                      int /* render_view_id */,
1236                      GURL /* url */,
1237                      content::Referrer /* referrer */,
1238                      base::string16 /* suggested_name */)
1239
1240 // Used to go to the session history entry at the given offset (ie, -1 will
1241 // return the "back" item).
1242 IPC_MESSAGE_ROUTED1(ViewHostMsg_GoToEntryAtOffset,
1243                     int /* offset (from current) of history item to get */)
1244
1245 // Sent from an inactive renderer for the browser to route to the active
1246 // renderer, instructing it to close.
1247 IPC_MESSAGE_ROUTED0(ViewHostMsg_RouteCloseEvent)
1248
1249 // Notifies that the preferred size of the content changed.
1250 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidContentsPreferredSizeChange,
1251                     gfx::Size /* pref_size */)
1252
1253 // Notifies whether there are JavaScript touch event handlers or not.
1254 IPC_MESSAGE_ROUTED1(ViewHostMsg_HasTouchEventHandlers,
1255                     bool /* has_handlers */)
1256
1257 // A message from HTML-based UI.  When (trusted) Javascript calls
1258 // send(message, args), this message is sent to the browser.
1259 IPC_MESSAGE_ROUTED3(ViewHostMsg_WebUISend,
1260                     GURL /* source_url */,
1261                     std::string  /* message */,
1262                     base::ListValue /* args */)
1263
1264 #if defined(ENABLE_PLUGINS)
1265 // A renderer sends this to the browser process when it wants to create a ppapi
1266 // plugin.  The browser will create the plugin process if necessary, and will
1267 // return a handle to the channel on success.
1268 //
1269 // The plugin_child_id is the ChildProcessHost ID assigned in the browser
1270 // process. This ID is valid only in the context of the browser process and is
1271 // used to identify the proper process when the renderer notifies it that the
1272 // plugin is hung.
1273 //
1274 // On error an empty string and null handles are returned.
1275 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_OpenChannelToPepperPlugin,
1276                             base::FilePath /* path */,
1277                             IPC::ChannelHandle /* handle to channel */,
1278                             base::ProcessId /* plugin_pid */,
1279                             int /* plugin_child_id */)
1280
1281 // Notification that a plugin has created a new plugin instance. The parameters
1282 // indicate:
1283 // -The plugin process ID that we're creating the instance for.
1284 // -The instance ID of the instance being created.
1285 // -A PepperRendererInstanceData struct which contains properties from the
1286 // renderer which are associated with the plugin instance. This includes the
1287 // routing ID of the associated render view and the URL of plugin.
1288 // -Whether the plugin we're creating an instance for is external or internal.
1289 //
1290 // This message must be sync even though it returns no parameters to avoid
1291 // a race condition with the plugin process. The plugin process sends messages
1292 // to the browser that assume the browser knows about the instance. We need to
1293 // make sure that the browser actually knows about the instance before we tell
1294 // the plugin to run.
1295 IPC_SYNC_MESSAGE_CONTROL4_0(
1296     ViewHostMsg_DidCreateOutOfProcessPepperInstance,
1297     int /* plugin_child_id */,
1298     int32 /* pp_instance */,
1299     content::PepperRendererInstanceData /* creation_data */,
1300     bool /* is_external */)
1301
1302 // Notification that a plugin has destroyed an instance. This is the opposite of
1303 // the "DidCreate" message above.
1304 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidDeleteOutOfProcessPepperInstance,
1305                      int /* plugin_child_id */,
1306                      int32 /* pp_instance */,
1307                      bool /* is_external */)
1308
1309 // Message from the renderer to the browser indicating the in-process instance
1310 // has been created.
1311 IPC_MESSAGE_CONTROL2(ViewHostMsg_DidCreateInProcessInstance,
1312                      int32 /* instance */,
1313                      content::PepperRendererInstanceData /* instance_data */)
1314
1315 // Message from the renderer to the browser indicating the in-process instance
1316 // has been destroyed.
1317 IPC_MESSAGE_CONTROL1(ViewHostMsg_DidDeleteInProcessInstance,
1318                      int32 /* instance */)
1319
1320 // A renderer sends this to the browser process when it wants to
1321 // create a ppapi broker.  The browser will create the broker process
1322 // if necessary, and will return a handle to the channel on success.
1323 // On error an empty string is returned.
1324 // The browser will respond with ViewMsg_PpapiBrokerChannelCreated.
1325 IPC_MESSAGE_CONTROL2(ViewHostMsg_OpenChannelToPpapiBroker,
1326                      int /* routing_id */,
1327                      base::FilePath /* path */)
1328
1329 // A renderer sends this to the browser process when it wants to access a PPAPI
1330 // broker. In contrast to ViewHostMsg_OpenChannelToPpapiBroker, this is called
1331 // for every connection.
1332 // The browser will respond with ViewMsg_PpapiBrokerPermissionResult.
1333 IPC_MESSAGE_ROUTED3(ViewHostMsg_RequestPpapiBrokerPermission,
1334                     int /* routing_id */,
1335                     GURL /* document_url */,
1336                     base::FilePath /* plugin_path */)
1337
1338 // A renderer sends this to the browser process when it throttles or unthrottles
1339 // a plugin instance for the Plugin Power Saver feature.
1340 IPC_MESSAGE_CONTROL3(ViewHostMsg_PluginInstanceThrottleStateChange,
1341                      int /* plugin_child_id */,
1342                      int32 /* pp_instance */,
1343                      bool /* is_throttled */)
1344 #endif  // defined(ENABLE_PLUGINS)
1345
1346 // Send the tooltip text for the current mouse position to the browser.
1347 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
1348                     base::string16 /* tooltip text string */,
1349                     blink::WebTextDirection /* text direction hint */)
1350
1351 // Notification that the text selection has changed.
1352 // Note: The secound parameter is the character based offset of the
1353 // base::string16
1354 // text in the document.
1355 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
1356                     base::string16 /* text covers the selection range */,
1357                     size_t /* the offset of the text in the document */,
1358                     gfx::Range /* selection range in the document */)
1359
1360 // Notification that the selection bounds have changed.
1361 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
1362                     ViewHostMsg_SelectionBounds_Params)
1363
1364 // Asks the browser to display the file chooser.  The result is returned in a
1365 // ViewMsg_RunFileChooserResponse message.
1366 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
1367                     content::FileChooserParams)
1368
1369 // Asks the browser to enumerate a directory.  This is equivalent to running
1370 // the file chooser in directory-enumeration mode and having the user select
1371 // the given directory.  The result is returned in a
1372 // ViewMsg_EnumerateDirectoryResponse message.
1373 IPC_MESSAGE_ROUTED2(ViewHostMsg_EnumerateDirectory,
1374                     int /* request_id */,
1375                     base::FilePath /* file_path */)
1376
1377 // Asks the browser to save a image (for <canvas> or <img>) from a data URL.
1378 // Note: |data_url| is the contents of a data:URL, and that it's represented as
1379 // a string only to work around size limitations for GURLs in IPC messages.
1380 IPC_MESSAGE_CONTROL2(ViewHostMsg_SaveImageFromDataURL,
1381                      int /* render_view_id */,
1382                      std::string /* data_url */)
1383
1384 // Tells the browser to move the focus to the next (previous if reverse is
1385 // true) focusable element.
1386 IPC_MESSAGE_ROUTED1(ViewHostMsg_TakeFocus,
1387                     bool /* reverse */)
1388
1389 // Required for opening a date/time dialog
1390 IPC_MESSAGE_ROUTED1(ViewHostMsg_OpenDateTimeDialog,
1391                     ViewHostMsg_DateTimeDialogValue_Params /* value */)
1392
1393 IPC_MESSAGE_ROUTED4(ViewHostMsg_TextInputTypeChanged,
1394                     ui::TextInputType /* TextInputType of the focused node */,
1395                     ui::TextInputMode /* TextInputMode of the focused node */,
1396                     bool /* can_compose_inline in the focused node */,
1397                     int /* flags in the focused node */)
1398
1399 // Required for updating text input state.
1400 IPC_MESSAGE_ROUTED1(ViewHostMsg_TextInputStateChanged,
1401                     ViewHostMsg_TextInputState_Params /* input state params */)
1402
1403 // Sent when the renderer changes the zoom level for a particular url, so the
1404 // browser can update its records.  If the view is a plugin doc, then url is
1405 // used to update the zoom level for all pages in that site.  Otherwise, the
1406 // render view's id is used so that only the menu is updated.
1407 IPC_MESSAGE_ROUTED2(ViewHostMsg_DidZoomURL,
1408                     double /* zoom_level */,
1409                     GURL /* url */)
1410
1411 // Sent when the renderer changes its page scale factor and whether or not the
1412 // page scale factor is one changes.
1413 IPC_MESSAGE_ROUTED1(ViewHostMsg_PageScaleFactorIsOneChanged, bool /* is_one */)
1414
1415 // Updates the minimum/maximum allowed zoom percent for this tab from the
1416 // default values.  If |remember| is true, then the zoom setting is applied to
1417 // other pages in the site and is saved, otherwise it only applies to this
1418 // tab.
1419 IPC_MESSAGE_ROUTED2(ViewHostMsg_UpdateZoomLimits,
1420                     int /* minimum_percent */,
1421                     int /* maximum_percent */)
1422
1423 // Notify the browser that this render process can or can't be suddenly
1424 // terminated.
1425 IPC_MESSAGE_CONTROL1(ViewHostMsg_SuddenTerminationChanged,
1426                      bool /* enabled */)
1427
1428 IPC_MESSAGE_ROUTED3(
1429     ViewHostMsg_SwapCompositorFrame,
1430     uint32 /* output_surface_id */,
1431     cc::CompositorFrame /* frame */,
1432     std::vector<IPC::Message> /* messages_to_deliver_with_frame */)
1433
1434 //---------------------------------------------------------------------------
1435 // Request for cryptographic operation messages:
1436 // These are messages from the renderer to the browser to perform a
1437 // cryptographic operation.
1438
1439 // Asks the browser process to generate a keypair for grabbing a client
1440 // certificate from a CA (<keygen> tag), and returns the signed public
1441 // key and challenge string.
1442 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Keygen,
1443                             uint32 /* key size index */,
1444                             std::string /* challenge string */,
1445                             GURL /* URL of requestor */,
1446                             std::string /* signed public key and challenge */)
1447
1448 // Message sent from the renderer to the browser to request that the browser
1449 // cache |data| associated with |url| and |expected_response_time|.
1450 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidGenerateCacheableMetadata,
1451                      GURL /* url */,
1452                      base::Time /* expected_response_time */,
1453                      std::vector<char> /* data */)
1454
1455 // Register a new handler for URL requests with the given scheme.
1456 IPC_MESSAGE_ROUTED4(ViewHostMsg_RegisterProtocolHandler,
1457                     std::string /* scheme */,
1458                     GURL /* url */,
1459                     base::string16 /* title */,
1460                     bool /* user_gesture */)
1461
1462 // Unregister the registered handler for URL requests with the given scheme.
1463 IPC_MESSAGE_ROUTED3(ViewHostMsg_UnregisterProtocolHandler,
1464                     std::string /* scheme */,
1465                     GURL /* url */,
1466                     bool /* user_gesture */)
1467
1468 // Send back a string to be recorded by UserMetrics.
1469 IPC_MESSAGE_CONTROL1(ViewHostMsg_UserMetricsRecordAction,
1470                      std::string /* action */)
1471
1472 // Notifies the browser that the page was or was not saved as MHTML.
1473 IPC_MESSAGE_CONTROL2(ViewHostMsg_SavedPageAsMHTML,
1474                      int /* job_id */,
1475                      int64 /* size of the MHTML file, -1 if error */)
1476
1477 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendCurrentPageAllSavableResourceLinks,
1478                     std::vector<GURL> /* all savable resource links */,
1479                     std::vector<content::Referrer> /* all referrers */,
1480                     std::vector<GURL> /* all frame links */)
1481
1482 IPC_MESSAGE_ROUTED3(ViewHostMsg_SendSerializedHtmlData,
1483                     GURL /* frame's url */,
1484                     std::string /* data buffer */,
1485                     int32 /* complete status */)
1486
1487 // Notifies the browser of an event occurring in the media pipeline.
1488 IPC_MESSAGE_CONTROL1(ViewHostMsg_MediaLogEvents,
1489                      std::vector<media::MediaLogEvent> /* events */)
1490
1491 // Requests to lock the mouse. Will result in a ViewMsg_LockMouse_ACK message
1492 // being sent back.
1493 // |privileged| is used by Pepper Flash. If this flag is set to true, we won't
1494 // pop up a bubble to ask for user permission or take mouse lock content into
1495 // account.
1496 IPC_MESSAGE_ROUTED3(ViewHostMsg_LockMouse,
1497                     bool /* user_gesture */,
1498                     bool /* last_unlocked_by_target */,
1499                     bool /* privileged */)
1500
1501 // Requests to unlock the mouse. A ViewMsg_MouseLockLost message will be sent
1502 // whenever the mouse is unlocked (which may or may not be caused by
1503 // ViewHostMsg_UnlockMouse).
1504 IPC_MESSAGE_ROUTED0(ViewHostMsg_UnlockMouse)
1505
1506 // Notifies that multiple touch targets may have been pressed, and to show
1507 // the disambiguation popup.
1508 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowDisambiguationPopup,
1509                     gfx::Rect, /* Border of touched targets */
1510                     gfx::Size, /* Size of zoomed image */
1511                     cc::SharedBitmapId /* id */)
1512
1513 // Sent by the renderer process to check whether client 3D APIs
1514 // (Pepper 3D, WebGL) are explicitly blocked.
1515 IPC_SYNC_MESSAGE_CONTROL3_1(ViewHostMsg_Are3DAPIsBlocked,
1516                             int /* render_view_id */,
1517                             GURL /* top_origin_url */,
1518                             content::ThreeDAPIType /* requester */,
1519                             bool /* blocked */)
1520
1521 // Sent by the renderer process to indicate that a context was lost by
1522 // client 3D content (Pepper 3D, WebGL) running on the page at the
1523 // given URL.
1524 IPC_MESSAGE_CONTROL3(ViewHostMsg_DidLose3DContext,
1525                      GURL /* top_origin_url */,
1526                      content::ThreeDAPIType /* context_type */,
1527                      int /* arb_robustness_status_code */)
1528
1529 // Notifies the browser that document has parsed the body. This is used by the
1530 // ResourceScheduler as an indication that bandwidth contention won't block
1531 // first paint.
1532 IPC_MESSAGE_ROUTED0(ViewHostMsg_WillInsertBody)
1533
1534 // Notification that the urls for the favicon of a site has been determined.
1535 IPC_MESSAGE_ROUTED1(ViewHostMsg_UpdateFaviconURL,
1536                     std::vector<content::FaviconURL> /* candidates */)
1537
1538 // Message sent from renderer to the browser when the element that is focused
1539 // has been touched. A bool is passed in this message which indicates if the
1540 // node is editable.
1541 IPC_MESSAGE_ROUTED1(ViewHostMsg_FocusedNodeTouched,
1542                     bool /* editable */)
1543
1544 // Message sent from the renderer to the browser when an HTML form has failed
1545 // validation constraints.
1546 IPC_MESSAGE_ROUTED3(ViewHostMsg_ShowValidationMessage,
1547                     gfx::Rect /* anchor rectangle in root view coordinate */,
1548                     base::string16 /* validation message */,
1549                     base::string16 /* supplemental text */)
1550
1551 // Message sent from the renderer to the browser when a HTML form validation
1552 // message should be hidden from view.
1553 IPC_MESSAGE_ROUTED0(ViewHostMsg_HideValidationMessage)
1554
1555 // Message sent from the renderer to the browser when the suggested co-ordinates
1556 // of the anchor for a HTML form validation message have changed.
1557 IPC_MESSAGE_ROUTED1(ViewHostMsg_MoveValidationMessage,
1558                     gfx::Rect /* anchor rectangle in root view coordinate */)
1559
1560 #if defined(OS_ANDROID)
1561 // Response to ViewMsg_FindMatchRects.
1562 //
1563 // |version| will contain the current version number of the renderer's find
1564 // match list (incremented whenever they change), which should be passed in the
1565 // next call to ViewMsg_FindMatchRects.
1566 //
1567 // |rects| will either contain a list of the enclosing rects of all matches
1568 // found by the most recent Find operation, or will be empty if |version| is not
1569 // greater than the |current_version| passed to ViewMsg_FindMatchRects (hence
1570 // your locally cached rects should still be valid). The rect coords will be
1571 // custom normalized fractions of the document size. The rects will be sorted by
1572 // frame traversal order starting in the main frame, then by dom order.
1573 //
1574 // |active_rect| will contain the bounding box of the active find-in-page match
1575 // marker, in similarly normalized coords (or an empty rect if there isn't one).
1576 IPC_MESSAGE_ROUTED3(ViewHostMsg_FindMatchRects_Reply,
1577                     int /* version */,
1578                     std::vector<gfx::RectF> /* rects */,
1579                     gfx::RectF /* active_rect */)
1580
1581 // Start an android intent with the given URI.
1582 IPC_MESSAGE_ROUTED1(ViewHostMsg_StartContentIntent,
1583                     GURL /* content_url */)
1584
1585 // Message sent when the renderer changed the background color for the view.
1586 IPC_MESSAGE_ROUTED1(ViewHostMsg_DidChangeBodyBackgroundColor,
1587                     uint32  /* bg_color */)
1588
1589 // This message runs the MediaCodec for decoding audio for webaudio.
1590 IPC_MESSAGE_CONTROL3(ViewHostMsg_RunWebAudioMediaCodec,
1591                      base::SharedMemoryHandle /* encoded_data_handle */,
1592                      base::FileDescriptor /* pcm_output */,
1593                      uint32_t /* data_size*/)
1594
1595 // Reply to the ViewMsg_ExtractSmartClipData message.
1596 IPC_MESSAGE_ROUTED3(ViewHostMsg_SmartClipDataExtracted,
1597                     base::string16 /* text */,
1598                     base::string16 /* html */,
1599                     gfx::Rect /* rect */)
1600
1601 // Notifies that an unhandled tap has occurred at the specified x,y position
1602 // and that the UI may need to be triggered.
1603 IPC_MESSAGE_ROUTED2(ViewHostMsg_ShowUnhandledTapUIIfNeeded,
1604                     int /* x */,
1605                     int /* y */)
1606
1607 #elif defined(OS_MACOSX)
1608 // Request that the browser load a font into shared memory for us.
1609 IPC_SYNC_MESSAGE_CONTROL1_3(ViewHostMsg_LoadFont,
1610                            FontDescriptor /* font to load */,
1611                            uint32 /* buffer size */,
1612                            base::SharedMemoryHandle /* font data */,
1613                            uint32 /* font id */)
1614
1615 // Informs the browser that a plugin has gained or lost focus.
1616 IPC_MESSAGE_ROUTED2(ViewHostMsg_PluginFocusChanged,
1617                     bool, /* focused */
1618                     int /* plugin_id */)
1619
1620 // Instructs the browser to start plugin IME.
1621 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
1622
1623 // Receives content of a web page as plain text.
1624 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string);
1625
1626 #elif defined(OS_WIN)
1627 // Request that the given font characters be loaded by the browser so it's
1628 // cached by the OS. Please see RenderMessageFilter::OnPreCacheFontCharacters
1629 // for details.
1630 IPC_SYNC_MESSAGE_CONTROL2_0(ViewHostMsg_PreCacheFontCharacters,
1631                             LOGFONT /* font_data */,
1632                             base::string16 /* characters */)
1633 #endif
1634
1635 // Adding a new message? Stick to the sort order above: first platform
1636 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
1637 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.