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| 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 #include "base/logging.h" | |
| 6 #include "base/pickle.h" | |
| 7 #include "grit/ui_unscaled_resources.h" | |
| 8 #include "third_party/WebKit/public/platform/WebCursorInfo.h" | |
| 9 #include "third_party/skia/include/core/SkBitmap.h" | |
| 10 #include "ui/gfx/icon_util.h" | |
| 11 #include "webkit/common/cursors/webcursor.h" | |
| 12 | |
| 13 using blink::WebCursorInfo; | |
| 14 | |
| 15 static LPCWSTR ToCursorID(WebCursorInfo::Type type) { | |
| 16 switch (type) { | |
| 17 case WebCursorInfo::TypePointer: | |
| 18 return IDC_ARROW; | |
| 19 case WebCursorInfo::TypeCross: | |
| 20 return IDC_CROSS; | |
| 21 case WebCursorInfo::TypeHand: | |
| 22 return IDC_HAND; | |
| 23 case WebCursorInfo::TypeIBeam: | |
| 24 return IDC_IBEAM; | |
| 25 case WebCursorInfo::TypeWait: | |
| 26 return IDC_WAIT; | |
| 27 case WebCursorInfo::TypeHelp: | |
| 28 return IDC_HELP; | |
| 29 case WebCursorInfo::TypeEastResize: | |
| 30 return IDC_SIZEWE; | |
| 31 case WebCursorInfo::TypeNorthResize: | |
| 32 return IDC_SIZENS; | |
| 33 case WebCursorInfo::TypeNorthEastResize: | |
| 34 return IDC_SIZENESW; | |
| 35 case WebCursorInfo::TypeNorthWestResize: | |
| 36 return IDC_SIZENWSE; | |
| 37 case WebCursorInfo::TypeSouthResize: | |
| 38 return IDC_SIZENS; | |
| 39 case WebCursorInfo::TypeSouthEastResize: | |
| 40 return IDC_SIZENWSE; | |
| 41 case WebCursorInfo::TypeSouthWestResize: | |
| 42 return IDC_SIZENESW; | |
| 43 case WebCursorInfo::TypeWestResize: | |
| 44 return IDC_SIZEWE; | |
| 45 case WebCursorInfo::TypeNorthSouthResize: | |
| 46 return IDC_SIZENS; | |
| 47 case WebCursorInfo::TypeEastWestResize: | |
| 48 return IDC_SIZEWE; | |
| 49 case WebCursorInfo::TypeNorthEastSouthWestResize: | |
| 50 return IDC_SIZENESW; | |
| 51 case WebCursorInfo::TypeNorthWestSouthEastResize: | |
| 52 return IDC_SIZENWSE; | |
| 53 case WebCursorInfo::TypeColumnResize: | |
| 54 return MAKEINTRESOURCE(IDC_COLRESIZE); | |
| 55 case WebCursorInfo::TypeRowResize: | |
| 56 return MAKEINTRESOURCE(IDC_ROWRESIZE); | |
| 57 case WebCursorInfo::TypeMiddlePanning: | |
| 58 return MAKEINTRESOURCE(IDC_PAN_MIDDLE); | |
| 59 case WebCursorInfo::TypeEastPanning: | |
| 60 return MAKEINTRESOURCE(IDC_PAN_EAST); | |
| 61 case WebCursorInfo::TypeNorthPanning: | |
| 62 return MAKEINTRESOURCE(IDC_PAN_NORTH); | |
| 63 case WebCursorInfo::TypeNorthEastPanning: | |
| 64 return MAKEINTRESOURCE(IDC_PAN_NORTH_EAST); | |
| 65 case WebCursorInfo::TypeNorthWestPanning: | |
| 66 return MAKEINTRESOURCE(IDC_PAN_NORTH_WEST); | |
| 67 case WebCursorInfo::TypeSouthPanning: | |
| 68 return MAKEINTRESOURCE(IDC_PAN_SOUTH); | |
| 69 case WebCursorInfo::TypeSouthEastPanning: | |
| 70 return MAKEINTRESOURCE(IDC_PAN_SOUTH_EAST); | |
| 71 case WebCursorInfo::TypeSouthWestPanning: | |
| 72 return MAKEINTRESOURCE(IDC_PAN_SOUTH_WEST); | |
| 73 case WebCursorInfo::TypeWestPanning: | |
| 74 return MAKEINTRESOURCE(IDC_PAN_WEST); | |
| 75 case WebCursorInfo::TypeMove: | |
| 76 return IDC_SIZEALL; | |
| 77 case WebCursorInfo::TypeVerticalText: | |
| 78 return MAKEINTRESOURCE(IDC_VERTICALTEXT); | |
| 79 case WebCursorInfo::TypeCell: | |
| 80 return MAKEINTRESOURCE(IDC_CELL); | |
| 81 case WebCursorInfo::TypeContextMenu: | |
| 82 return MAKEINTRESOURCE(IDC_ARROW); | |
| 83 case WebCursorInfo::TypeAlias: | |
| 84 return MAKEINTRESOURCE(IDC_ALIAS); | |
| 85 case WebCursorInfo::TypeProgress: | |
| 86 return IDC_APPSTARTING; | |
| 87 case WebCursorInfo::TypeNoDrop: | |
| 88 return IDC_NO; | |
| 89 case WebCursorInfo::TypeCopy: | |
| 90 return MAKEINTRESOURCE(IDC_COPYCUR); | |
| 91 case WebCursorInfo::TypeNone: | |
| 92 return MAKEINTRESOURCE(IDC_CURSOR_NONE); | |
| 93 case WebCursorInfo::TypeNotAllowed: | |
| 94 return IDC_NO; | |
| 95 case WebCursorInfo::TypeZoomIn: | |
| 96 return MAKEINTRESOURCE(IDC_ZOOMIN); | |
| 97 case WebCursorInfo::TypeZoomOut: | |
| 98 return MAKEINTRESOURCE(IDC_ZOOMOUT); | |
| 99 case WebCursorInfo::TypeGrab: | |
| 100 return MAKEINTRESOURCE(IDC_HAND_GRAB); | |
| 101 case WebCursorInfo::TypeGrabbing: | |
| 102 return MAKEINTRESOURCE(IDC_HAND_GRABBING); | |
| 103 } | |
| 104 NOTREACHED(); | |
| 105 return NULL; | |
| 106 } | |
| 107 | |
| 108 static bool IsSystemCursorID(LPCWSTR cursor_id) { | |
| 109 return cursor_id >= IDC_ARROW; // See WinUser.h | |
| 110 } | |
| 111 | |
| 112 HCURSOR WebCursor::GetCursor(HINSTANCE module_handle){ | |
| 113 if (!IsCustom()) { | |
| 114 const wchar_t* cursor_id = | |
| 115 ToCursorID(static_cast<WebCursorInfo::Type>(type_)); | |
| 116 | |
| 117 if (IsSystemCursorID(cursor_id)) | |
| 118 module_handle = NULL; | |
| 119 | |
| 120 return LoadCursor(module_handle, cursor_id); | |
| 121 } | |
| 122 | |
| 123 if (custom_cursor_) { | |
| 124 DCHECK(external_cursor_ == NULL); | |
| 125 return custom_cursor_; | |
| 126 } | |
| 127 | |
| 128 if (external_cursor_) | |
| 129 return external_cursor_; | |
| 130 | |
| 131 custom_cursor_ = | |
| 132 IconUtil::CreateCursorFromDIB( | |
| 133 custom_size_, | |
| 134 hotspot_, | |
| 135 !custom_data_.empty() ? &custom_data_[0] : NULL, | |
| 136 custom_data_.size()); | |
| 137 return custom_cursor_; | |
| 138 } | |
| 139 | |
| 140 gfx::NativeCursor WebCursor::GetNativeCursor() { | |
| 141 return GetCursor(NULL); | |
| 142 } | |
| 143 | |
| 144 void WebCursor::InitPlatformData() { | |
| 145 custom_cursor_ = NULL; | |
| 146 } | |
| 147 | |
| 148 bool WebCursor::SerializePlatformData(Pickle* pickle) const { | |
| 149 // There are some issues with converting certain HCURSORS to bitmaps. The | |
| 150 // HCURSOR being a user object can be marshaled as is. | |
| 151 // HCURSORs are always 32 bits on Windows, even on 64 bit systems. | |
| 152 return pickle->WriteUInt32(reinterpret_cast<uint32>(external_cursor_)); | |
| 153 } | |
| 154 | |
| 155 bool WebCursor::DeserializePlatformData(PickleIterator* iter) { | |
| 156 return iter->ReadUInt32(reinterpret_cast<uint32*>(&external_cursor_)); | |
| 157 } | |
| 158 | |
| 159 bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const { | |
| 160 if (!IsCustom()) | |
| 161 return true; | |
| 162 | |
| 163 return (external_cursor_ == other.external_cursor_); | |
| 164 } | |
| 165 | |
| 166 void WebCursor::CopyPlatformData(const WebCursor& other) { | |
| 167 external_cursor_ = other.external_cursor_; | |
| 168 // The custom_cursor_ member will be initialized to a HCURSOR the next time | |
| 169 // the GetCursor member function is invoked on this WebCursor instance. The | |
| 170 // cursor is created using the data in the custom_data_ vector. | |
| 171 custom_cursor_ = NULL; | |
| 172 } | |
| 173 | |
| 174 void WebCursor::CleanupPlatformData() { | |
| 175 external_cursor_ = NULL; | |
| 176 | |
| 177 if (custom_cursor_) { | |
| 178 DestroyIcon(custom_cursor_); | |
| 179 custom_cursor_ = NULL; | |
| 180 } | |
| 181 } | |
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