1// Copyright (c) 2013 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 input events and other messages that require processing in 6// order relative to input events. 7// Multiply-included message file, hence no include guard. 8 9#include "base/strings/string16.h" 10#include "content/common/content_export.h" 11#include "content/common/content_param_traits.h" 12#include "content/common/edit_command.h" 13#include "content/common/input/did_overscroll_params.h" 14#include "content/common/input/input_event.h" 15#include "content/common/input/input_event_ack_state.h" 16#include "content/common/input/input_param_traits.h" 17#include "content/common/input/synthetic_gesture_packet.h" 18#include "content/common/input/synthetic_gesture_params.h" 19#include "content/common/input/synthetic_pinch_gesture_params.h" 20#include "content/common/input/synthetic_smooth_scroll_gesture_params.h" 21#include "content/common/input/synthetic_tap_gesture_params.h" 22#include "content/public/common/common_param_traits.h" 23#include "content/common/input/touch_action.h" 24#include "ipc/ipc_message_macros.h" 25#include "third_party/WebKit/public/web/WebInputEvent.h" 26#include "ui/events/ipc/latency_info_param_traits.h" 27#include "ui/gfx/point.h" 28#include "ui/gfx/rect.h" 29#include "ui/gfx/vector2d_f.h" 30 31#undef IPC_MESSAGE_EXPORT 32#define IPC_MESSAGE_EXPORT CONTENT_EXPORT 33 34#ifdef IPC_MESSAGE_START 35#error IPC_MESSAGE_START 36#endif 37 38#define IPC_MESSAGE_START InputMsgStart 39 40IPC_ENUM_TRAITS_MAX_VALUE(content::InputEventAckState, 41 content::INPUT_EVENT_ACK_STATE_MAX) 42IPC_ENUM_TRAITS_MAX_VALUE( 43 content::SyntheticGestureParams::GestureSourceType, 44 content::SyntheticGestureParams::GESTURE_SOURCE_TYPE_MAX) 45IPC_ENUM_TRAITS_MAX_VALUE( 46 content::SyntheticGestureParams::GestureType, 47 content::SyntheticGestureParams::SYNTHETIC_GESTURE_TYPE_MAX) 48IPC_ENUM_TRAITS_VALIDATE(content::TouchAction, ( 49 value >= 0 && 50 value <= content::TOUCH_ACTION_MAX && 51 (!(value & content::TOUCH_ACTION_NONE) || 52 (value == content::TOUCH_ACTION_NONE)) && 53 (!(value & content::TOUCH_ACTION_PINCH_ZOOM) || 54 (value == content::TOUCH_ACTION_MANIPULATION)))) 55 56IPC_STRUCT_TRAITS_BEGIN(content::DidOverscrollParams) 57 IPC_STRUCT_TRAITS_MEMBER(accumulated_overscroll) 58 IPC_STRUCT_TRAITS_MEMBER(latest_overscroll_delta) 59 IPC_STRUCT_TRAITS_MEMBER(current_fling_velocity) 60IPC_STRUCT_TRAITS_END() 61 62IPC_STRUCT_TRAITS_BEGIN(content::EditCommand) 63 IPC_STRUCT_TRAITS_MEMBER(name) 64 IPC_STRUCT_TRAITS_MEMBER(value) 65IPC_STRUCT_TRAITS_END() 66 67IPC_STRUCT_TRAITS_BEGIN(content::InputEvent) 68 IPC_STRUCT_TRAITS_MEMBER(web_event) 69 IPC_STRUCT_TRAITS_MEMBER(latency_info) 70 IPC_STRUCT_TRAITS_MEMBER(is_keyboard_shortcut) 71IPC_STRUCT_TRAITS_END() 72 73IPC_STRUCT_TRAITS_BEGIN(content::SyntheticGestureParams) 74 IPC_STRUCT_TRAITS_MEMBER(gesture_source_type) 75IPC_STRUCT_TRAITS_END() 76 77IPC_STRUCT_TRAITS_BEGIN(content::SyntheticSmoothScrollGestureParams) 78 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 79 IPC_STRUCT_TRAITS_MEMBER(anchor) 80 IPC_STRUCT_TRAITS_MEMBER(distances) 81 IPC_STRUCT_TRAITS_MEMBER(prevent_fling) 82 IPC_STRUCT_TRAITS_MEMBER(speed_in_pixels_s) 83IPC_STRUCT_TRAITS_END() 84 85IPC_STRUCT_TRAITS_BEGIN(content::SyntheticPinchGestureParams) 86 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 87 IPC_STRUCT_TRAITS_MEMBER(scale_factor) 88 IPC_STRUCT_TRAITS_MEMBER(anchor) 89 IPC_STRUCT_TRAITS_MEMBER(relative_pointer_speed_in_pixels_s) 90IPC_STRUCT_TRAITS_END() 91 92IPC_STRUCT_TRAITS_BEGIN(content::SyntheticTapGestureParams) 93 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 94 IPC_STRUCT_TRAITS_MEMBER(position) 95 IPC_STRUCT_TRAITS_MEMBER(duration_ms) 96IPC_STRUCT_TRAITS_END() 97 98IPC_STRUCT_BEGIN(InputHostMsg_HandleInputEvent_ACK_Params) 99 IPC_STRUCT_MEMBER(blink::WebInputEvent::Type, type) 100 IPC_STRUCT_MEMBER(content::InputEventAckState, state) 101 IPC_STRUCT_MEMBER(ui::LatencyInfo, latency) 102 // TODO(jdduke): Use Optional<T> type to avoid heap alloc, crbug.com/375002. 103 IPC_STRUCT_MEMBER(scoped_ptr<content::DidOverscrollParams>, overscroll) 104IPC_STRUCT_END() 105 106// Sends an input event to the render widget. 107IPC_MESSAGE_ROUTED3(InputMsg_HandleInputEvent, 108 IPC::WebInputEventPointer /* event */, 109 ui::LatencyInfo /* latency_info */, 110 bool /* is_keyboard_shortcut */) 111 112// Sends the cursor visibility state to the render widget. 113IPC_MESSAGE_ROUTED1(InputMsg_CursorVisibilityChange, 114 bool /* is_visible */) 115 116// This message notifies the renderer that the next key event is bound to one 117// or more pre-defined edit commands. If the next key event is not handled 118// by webkit, the specified edit commands shall be executed against current 119// focused frame. 120// Parameters 121// * edit_commands (see chrome/common/edit_command_types.h) 122// Contains one or more edit commands. 123// See third_party/WebKit/Source/WebCore/editing/EditorCommand.cpp for detailed 124// definition of webkit edit commands. 125// 126// This message must be sent just before sending a key event. 127IPC_MESSAGE_ROUTED1(InputMsg_SetEditCommandsForNextKeyEvent, 128 std::vector<content::EditCommand> /* edit_commands */) 129 130// Message payload is the name/value of a WebCore edit command to execute. 131IPC_MESSAGE_ROUTED2(InputMsg_ExecuteEditCommand, 132 std::string, /* name */ 133 std::string /* value */) 134 135IPC_MESSAGE_ROUTED0(InputMsg_MouseCaptureLost) 136 137// TODO(darin): figure out how this meshes with RestoreFocus 138IPC_MESSAGE_ROUTED1(InputMsg_SetFocus, 139 bool /* enable */) 140 141// Tells the renderer to scroll the currently focused node into rect only if 142// the currently focused node is a Text node (textfield, text area or content 143// editable divs). 144IPC_MESSAGE_ROUTED1(InputMsg_ScrollFocusedEditableNodeIntoRect, gfx::Rect) 145 146// These messages are typically generated from context menus and request the 147// renderer to apply the specified operation to the current selection. 148IPC_MESSAGE_ROUTED0(InputMsg_Undo) 149IPC_MESSAGE_ROUTED0(InputMsg_Redo) 150IPC_MESSAGE_ROUTED0(InputMsg_Cut) 151IPC_MESSAGE_ROUTED0(InputMsg_Copy) 152#if defined(OS_MACOSX) 153IPC_MESSAGE_ROUTED0(InputMsg_CopyToFindPboard) 154#endif 155IPC_MESSAGE_ROUTED0(InputMsg_Paste) 156IPC_MESSAGE_ROUTED0(InputMsg_PasteAndMatchStyle) 157// Replaces the selected region or a word around the cursor with the 158// specified string. 159IPC_MESSAGE_ROUTED1(InputMsg_Replace, 160 base::string16) 161// Replaces the misspelling in the selected region with the specified string. 162IPC_MESSAGE_ROUTED1(InputMsg_ReplaceMisspelling, 163 base::string16) 164IPC_MESSAGE_ROUTED0(InputMsg_Delete) 165IPC_MESSAGE_ROUTED0(InputMsg_SelectAll) 166 167IPC_MESSAGE_ROUTED0(InputMsg_Unselect) 168 169// Requests the renderer to select the region between two points. 170// Expects a SelectRange_ACK message when finished. 171IPC_MESSAGE_ROUTED2(InputMsg_SelectRange, 172 gfx::Point /* start */, 173 gfx::Point /* end */) 174 175// Requests the renderer to move the caret selection toward the point. 176// Expects a MoveCaret_ACK message when finished. 177IPC_MESSAGE_ROUTED1(InputMsg_MoveCaret, 178 gfx::Point /* location */) 179 180#if defined(OS_ANDROID) 181// Sent when the user clicks on the find result bar to activate a find result. 182// The point (x,y) is in fractions of the content document's width and height. 183IPC_MESSAGE_ROUTED3(InputMsg_ActivateNearestFindResult, 184 int /* request_id */, 185 float /* x */, 186 float /* y */) 187#endif 188 189IPC_MESSAGE_ROUTED0(InputMsg_SyntheticGestureCompleted); 190 191// ----------------------------------------------------------------------------- 192// Messages sent from the renderer to the browser. 193 194// Acknowledges receipt of a InputMsg_HandleInputEvent message. 195IPC_MESSAGE_ROUTED1(InputHostMsg_HandleInputEvent_ACK, 196 InputHostMsg_HandleInputEvent_ACK_Params) 197 198IPC_MESSAGE_ROUTED1(InputHostMsg_QueueSyntheticGesture, 199 content::SyntheticGesturePacket) 200 201// Notifies the allowed touch actions for a new touch point. 202IPC_MESSAGE_ROUTED1(InputHostMsg_SetTouchAction, 203 content::TouchAction /* touch_action */) 204 205// Sent by the compositor when input scroll events are dropped due to bounds 206// restrictions on the root scroll offset. 207IPC_MESSAGE_ROUTED1(InputHostMsg_DidOverscroll, 208 content::DidOverscrollParams /* params */) 209 210// Adding a new message? Stick to the sort order above: first platform 211// independent InputMsg, then ifdefs for platform specific InputMsg, then 212// platform independent InputHostMsg, then ifdefs for platform specific 213// InputHostMsg. 214