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 40 IPC_ENUM_TRAITS_MAX_VALUE(content::InputEventAckState, 41 content::INPUT_EVENT_ACK_STATE_MAX) 42 IPC_ENUM_TRAITS_MAX_VALUE( 43 content::SyntheticGestureParams::GestureSourceType, 44 content::SyntheticGestureParams::GESTURE_SOURCE_TYPE_MAX) 45 IPC_ENUM_TRAITS_MAX_VALUE( 46 content::SyntheticGestureParams::GestureType, 47 content::SyntheticGestureParams::SYNTHETIC_GESTURE_TYPE_MAX) 48 IPC_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 56 IPC_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) 60 IPC_STRUCT_TRAITS_END() 61 62 IPC_STRUCT_TRAITS_BEGIN(content::EditCommand) 63 IPC_STRUCT_TRAITS_MEMBER(name) 64 IPC_STRUCT_TRAITS_MEMBER(value) 65 IPC_STRUCT_TRAITS_END() 66 67 IPC_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) 71 IPC_STRUCT_TRAITS_END() 72 73 IPC_STRUCT_TRAITS_BEGIN(content::SyntheticGestureParams) 74 IPC_STRUCT_TRAITS_MEMBER(gesture_source_type) 75 IPC_STRUCT_TRAITS_END() 76 77 IPC_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) 83 IPC_STRUCT_TRAITS_END() 84 85 IPC_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) 90 IPC_STRUCT_TRAITS_END() 91 92 IPC_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) 96 IPC_STRUCT_TRAITS_END() 97 98 IPC_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) 104 IPC_STRUCT_END() 105 106 // Sends an input event to the render widget. 107 IPC_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. 113 IPC_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. 127 IPC_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. 131 IPC_MESSAGE_ROUTED2(InputMsg_ExecuteEditCommand, 132 std::string, /* name */ 133 std::string /* value */) 134 135 IPC_MESSAGE_ROUTED0(InputMsg_MouseCaptureLost) 136 137 // TODO(darin): figure out how this meshes with RestoreFocus 138 IPC_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). 144 IPC_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. 148 IPC_MESSAGE_ROUTED0(InputMsg_Undo) 149 IPC_MESSAGE_ROUTED0(InputMsg_Redo) 150 IPC_MESSAGE_ROUTED0(InputMsg_Cut) 151 IPC_MESSAGE_ROUTED0(InputMsg_Copy) 152 #if defined(OS_MACOSX) 153 IPC_MESSAGE_ROUTED0(InputMsg_CopyToFindPboard) 154 #endif 155 IPC_MESSAGE_ROUTED0(InputMsg_Paste) 156 IPC_MESSAGE_ROUTED0(InputMsg_PasteAndMatchStyle) 157 // Replaces the selected region or a word around the cursor with the 158 // specified string. 159 IPC_MESSAGE_ROUTED1(InputMsg_Replace, 160 base::string16) 161 // Replaces the misspelling in the selected region with the specified string. 162 IPC_MESSAGE_ROUTED1(InputMsg_ReplaceMisspelling, 163 base::string16) 164 IPC_MESSAGE_ROUTED0(InputMsg_Delete) 165 IPC_MESSAGE_ROUTED0(InputMsg_SelectAll) 166 167 IPC_MESSAGE_ROUTED0(InputMsg_Unselect) 168 169 // Requests the renderer to select the region between two points. 170 // Expects a SelectRange_ACK message when finished. 171 IPC_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. 177 IPC_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. 183 IPC_MESSAGE_ROUTED3(InputMsg_ActivateNearestFindResult, 184 int /* request_id */, 185 float /* x */, 186 float /* y */) 187 #endif 188 189 IPC_MESSAGE_ROUTED0(InputMsg_SyntheticGestureCompleted); 190 191 // ----------------------------------------------------------------------------- 192 // Messages sent from the renderer to the browser. 193 194 // Acknowledges receipt of a InputMsg_HandleInputEvent message. 195 IPC_MESSAGE_ROUTED1(InputHostMsg_HandleInputEvent_ACK, 196 InputHostMsg_HandleInputEvent_ACK_Params) 197 198 IPC_MESSAGE_ROUTED1(InputHostMsg_QueueSyntheticGesture, 199 content::SyntheticGesturePacket) 200 201 // Notifies the allowed touch actions for a new touch point. 202 IPC_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. 207 IPC_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
