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/input_event.h" 14 #include "content/common/input/input_param_traits.h" 15 #include "content/common/input/synthetic_gesture_packet.h" 16 #include "content/common/input/synthetic_gesture_params.h" 17 #include "content/common/input/synthetic_pinch_gesture_params.h" 18 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h" 19 #include "content/common/input/synthetic_tap_gesture_params.h" 20 #include "content/port/common/input_event_ack_state.h" 21 #include "content/public/common/common_param_traits.h" 22 #include "content/common/input/touch_action.h" 23 #include "ipc/ipc_message_macros.h" 24 #include "third_party/WebKit/public/web/WebInputEvent.h" 25 #include "ui/events/latency_info.h" 26 #include "ui/gfx/point.h" 27 #include "ui/gfx/rect.h" 28 29 #undef IPC_MESSAGE_EXPORT 30 #define IPC_MESSAGE_EXPORT CONTENT_EXPORT 31 32 #ifdef IPC_MESSAGE_START 33 #error IPC_MESSAGE_START 34 #endif 35 36 #define IPC_MESSAGE_START InputMsgStart 37 38 IPC_ENUM_TRAITS_MAX_VALUE(content::InputEventAckState, 39 content::INPUT_EVENT_ACK_STATE_MAX) 40 IPC_ENUM_TRAITS_MAX_VALUE( 41 content::SyntheticGestureParams::GestureSourceType, 42 content::SyntheticGestureParams::GESTURE_SOURCE_TYPE_MAX) 43 IPC_ENUM_TRAITS_MAX_VALUE( 44 content::SyntheticGestureParams::GestureType, 45 content::SyntheticGestureParams::SYNTHETIC_GESTURE_TYPE_MAX) 46 IPC_ENUM_TRAITS_MAX_VALUE(content::TouchAction, 47 content::TOUCH_ACTION_MAX) 48 49 IPC_STRUCT_TRAITS_BEGIN(content::EditCommand) 50 IPC_STRUCT_TRAITS_MEMBER(name) 51 IPC_STRUCT_TRAITS_MEMBER(value) 52 IPC_STRUCT_TRAITS_END() 53 54 IPC_STRUCT_TRAITS_BEGIN(content::InputEvent) 55 IPC_STRUCT_TRAITS_MEMBER(web_event) 56 IPC_STRUCT_TRAITS_MEMBER(latency_info) 57 IPC_STRUCT_TRAITS_MEMBER(is_keyboard_shortcut) 58 IPC_STRUCT_TRAITS_END() 59 60 IPC_STRUCT_TRAITS_BEGIN(content::SyntheticGestureParams) 61 IPC_STRUCT_TRAITS_MEMBER(gesture_source_type) 62 IPC_STRUCT_TRAITS_END() 63 64 IPC_STRUCT_TRAITS_BEGIN(content::SyntheticSmoothScrollGestureParams) 65 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 66 IPC_STRUCT_TRAITS_MEMBER(distance) 67 IPC_STRUCT_TRAITS_MEMBER(anchor) 68 IPC_STRUCT_TRAITS_MEMBER(prevent_fling) 69 IPC_STRUCT_TRAITS_MEMBER(speed_in_pixels_s) 70 IPC_STRUCT_TRAITS_END() 71 72 IPC_STRUCT_TRAITS_BEGIN(content::SyntheticPinchGestureParams) 73 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 74 IPC_STRUCT_TRAITS_MEMBER(zoom_in) 75 IPC_STRUCT_TRAITS_MEMBER(total_num_pixels_covered) 76 IPC_STRUCT_TRAITS_MEMBER(anchor) 77 IPC_STRUCT_TRAITS_MEMBER(relative_pointer_speed_in_pixels_s) 78 IPC_STRUCT_TRAITS_END() 79 80 IPC_STRUCT_TRAITS_BEGIN(content::SyntheticTapGestureParams) 81 IPC_STRUCT_TRAITS_PARENT(content::SyntheticGestureParams) 82 IPC_STRUCT_TRAITS_MEMBER(position) 83 IPC_STRUCT_TRAITS_MEMBER(duration_ms) 84 IPC_STRUCT_TRAITS_END() 85 86 // Sends an input event to the render widget. 87 IPC_MESSAGE_ROUTED3(InputMsg_HandleInputEvent, 88 IPC::WebInputEventPointer /* event */, 89 ui::LatencyInfo /* latency_info */, 90 bool /* is_keyboard_shortcut */) 91 92 // Sends the cursor visibility state to the render widget. 93 IPC_MESSAGE_ROUTED1(InputMsg_CursorVisibilityChange, 94 bool /* is_visible */) 95 96 // This message notifies the renderer that the next key event is bound to one 97 // or more pre-defined edit commands. If the next key event is not handled 98 // by webkit, the specified edit commands shall be executed against current 99 // focused frame. 100 // Parameters 101 // * edit_commands (see chrome/common/edit_command_types.h) 102 // Contains one or more edit commands. 103 // See third_party/WebKit/Source/WebCore/editing/EditorCommand.cpp for detailed 104 // definition of webkit edit commands. 105 // 106 // This message must be sent just before sending a key event. 107 IPC_MESSAGE_ROUTED1(InputMsg_SetEditCommandsForNextKeyEvent, 108 std::vector<content::EditCommand> /* edit_commands */) 109 110 // Message payload is the name/value of a WebCore edit command to execute. 111 IPC_MESSAGE_ROUTED2(InputMsg_ExecuteEditCommand, 112 std::string, /* name */ 113 std::string /* value */) 114 115 IPC_MESSAGE_ROUTED0(InputMsg_MouseCaptureLost) 116 117 // TODO(darin): figure out how this meshes with RestoreFocus 118 IPC_MESSAGE_ROUTED1(InputMsg_SetFocus, 119 bool /* enable */) 120 121 // Tells the renderer to focus the first (last if reverse is true) focusable 122 // node. 123 IPC_MESSAGE_ROUTED1(InputMsg_SetInitialFocus, 124 bool /* reverse */) 125 126 // Tells the renderer to scroll the currently focused node into rect only if 127 // the currently focused node is a Text node (textfield, text area or content 128 // editable divs). 129 IPC_MESSAGE_ROUTED1(InputMsg_ScrollFocusedEditableNodeIntoRect, gfx::Rect) 130 131 // These messages are typically generated from context menus and request the 132 // renderer to apply the specified operation to the current selection. 133 IPC_MESSAGE_ROUTED0(InputMsg_Undo) 134 IPC_MESSAGE_ROUTED0(InputMsg_Redo) 135 IPC_MESSAGE_ROUTED0(InputMsg_Cut) 136 IPC_MESSAGE_ROUTED0(InputMsg_Copy) 137 #if defined(OS_MACOSX) 138 IPC_MESSAGE_ROUTED0(InputMsg_CopyToFindPboard) 139 #endif 140 IPC_MESSAGE_ROUTED0(InputMsg_Paste) 141 IPC_MESSAGE_ROUTED0(InputMsg_PasteAndMatchStyle) 142 // Replaces the selected region or a word around the cursor with the 143 // specified string. 144 IPC_MESSAGE_ROUTED1(InputMsg_Replace, 145 base::string16) 146 // Replaces the misspelling in the selected region with the specified string. 147 IPC_MESSAGE_ROUTED1(InputMsg_ReplaceMisspelling, 148 base::string16) 149 IPC_MESSAGE_ROUTED0(InputMsg_Delete) 150 IPC_MESSAGE_ROUTED0(InputMsg_SelectAll) 151 152 IPC_MESSAGE_ROUTED0(InputMsg_Unselect) 153 154 // Requests the renderer to select the region between two points. 155 // Expects a SelectRange_ACK message when finished. 156 IPC_MESSAGE_ROUTED2(InputMsg_SelectRange, 157 gfx::Point /* start */, 158 gfx::Point /* end */) 159 160 // Requests the renderer to move the caret selection toward the point. 161 // Expects a MoveCaret_ACK message when finished. 162 IPC_MESSAGE_ROUTED1(InputMsg_MoveCaret, 163 gfx::Point /* location */) 164 165 #if defined(OS_ANDROID) 166 // Sent when the user clicks on the find result bar to activate a find result. 167 // The point (x,y) is in fractions of the content document's width and height. 168 IPC_MESSAGE_ROUTED3(InputMsg_ActivateNearestFindResult, 169 int /* request_id */, 170 float /* x */, 171 float /* y */) 172 #endif 173 174 IPC_MESSAGE_ROUTED0(InputMsg_SyntheticGestureCompleted); 175 176 // ----------------------------------------------------------------------------- 177 // Messages sent from the renderer to the browser. 178 179 // Acknowledges receipt of a InputMsg_HandleInputEvent message. 180 IPC_MESSAGE_ROUTED3(InputHostMsg_HandleInputEvent_ACK, 181 blink::WebInputEvent::Type, 182 content::InputEventAckState /* ack_result */, 183 ui::LatencyInfo /* latency_info */) 184 185 IPC_MESSAGE_ROUTED1(InputHostMsg_QueueSyntheticGesture, 186 content::SyntheticGesturePacket) 187 188 // Notifies the allowed touch actions for a new touch point. 189 IPC_MESSAGE_ROUTED1(InputHostMsg_SetTouchAction, 190 content::TouchAction /* touch_action */) 191 192 // Adding a new message? Stick to the sort order above: first platform 193 // independent InputMsg, then ifdefs for platform specific InputMsg, then 194 // platform independent InputHostMsg, then ifdefs for platform specific 195 // InputHostMsg. 196