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| 1 // Copyright (c) 2006-2008 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 "views/widget/tooltip_manager.h" | |
| 6 | |
| 7 #include <windowsx.h> | |
| 8 #include <limits> | |
| 9 | |
| 10 #include "app/gfx/text_elider.h" | |
| 11 #include "app/l10n_util.h" | |
| 12 #include "app/l10n_util_win.h" | |
| 13 #include "app/win_util.h" | |
| 14 #include "base/logging.h" | |
| 15 #include "base/message_loop.h" | |
| 16 #include "views/view.h" | |
| 17 #include "views/widget/root_view.h" | |
| 18 #include "views/widget/widget.h" | |
| 19 | |
| 20 namespace views { | |
| 21 | |
| 22 //static | |
| 23 int TooltipManager::tooltip_height_ = 0; | |
| 24 | |
| 25 // Default timeout for the tooltip displayed using keyboard. | |
| 26 // Timeout is mentioned in milliseconds. | |
| 27 static const int kDefaultTimeout = 4000; | |
| 28 | |
| 29 // Maximum number of lines we allow in the tooltip. | |
| 30 static const int kMaxLines = 6; | |
| 31 | |
| 32 // Maximum number of characters we allow in a tooltip. | |
| 33 static const int kMaxTooltipLength = 1024; | |
| 34 | |
| 35 // Breaks |text| along line boundaries, placing each line of text into lines. | |
| 36 static void SplitTooltipString(const std::wstring& text, | |
| 37 std::vector<std::wstring>* lines) { | |
| 38 size_t index = 0; | |
| 39 size_t next_index; | |
| 40 while ((next_index = text.find(TooltipManager::GetLineSeparator(), index)) | |
| 41 != std::wstring::npos && lines->size() < kMaxLines) { | |
| 42 lines->push_back(text.substr(index, next_index - index)); | |
| 43 index = next_index + TooltipManager::GetLineSeparator().size(); | |
| 44 } | |
| 45 if (next_index != text.size() && lines->size() < kMaxLines) | |
| 46 lines->push_back(text.substr(index, text.size() - index)); | |
| 47 } | |
| 48 | |
| 49 // static | |
| 50 int TooltipManager::GetTooltipHeight() { | |
| 51 DCHECK(tooltip_height_ > 0); | |
| 52 return tooltip_height_; | |
| 53 } | |
| 54 | |
| 55 static gfx::Font DetermineDefaultFont() { | |
| 56 HWND window = CreateWindowEx( | |
| 57 WS_EX_TRANSPARENT | l10n_util::GetExtendedTooltipStyles(), | |
| 58 TOOLTIPS_CLASS, NULL, 0 , 0, 0, 0, 0, NULL, NULL, NULL, NULL); | |
| 59 HFONT hfont = reinterpret_cast<HFONT>(SendMessage(window, WM_GETFONT, 0, 0)); | |
| 60 gfx::Font font = hfont ? gfx::Font::CreateFont(hfont) : gfx::Font(); | |
| 61 DestroyWindow(window); | |
| 62 return font; | |
| 63 } | |
| 64 | |
| 65 // static | |
| 66 gfx::Font TooltipManager::GetDefaultFont() { | |
| 67 static gfx::Font* font = NULL; | |
| 68 if (!font) | |
| 69 font = new gfx::Font(DetermineDefaultFont()); | |
| 70 return *font; | |
| 71 } | |
| 72 | |
| 73 // static | |
| 74 const std::wstring& TooltipManager::GetLineSeparator() { | |
| 75 static const std::wstring* separator = NULL; | |
| 76 if (!separator) | |
| 77 separator = new std::wstring(L"\r\n"); | |
| 78 return *separator; | |
| 79 } | |
| 80 | |
| 81 TooltipManager::TooltipManager(Widget* widget, HWND parent) | |
| 82 : widget_(widget), | |
| 83 parent_(parent), | |
| 84 last_mouse_x_(-1), | |
| 85 last_mouse_y_(-1), | |
| 86 tooltip_showing_(false), | |
| 87 last_tooltip_view_(NULL), | |
| 88 last_view_out_of_sync_(false), | |
| 89 tooltip_width_(0), | |
| 90 keyboard_tooltip_hwnd_(NULL), | |
| 91 #pragma warning(suppress: 4355) | |
| 92 keyboard_tooltip_factory_(this) { | |
| 93 DCHECK(widget && parent); | |
| 94 Init(); | |
| 95 } | |
| 96 | |
| 97 TooltipManager::~TooltipManager() { | |
| 98 if (tooltip_hwnd_) | |
| 99 DestroyWindow(tooltip_hwnd_); | |
| 100 if (keyboard_tooltip_hwnd_) | |
| 101 DestroyWindow(keyboard_tooltip_hwnd_); | |
| 102 } | |
| 103 | |
| 104 void TooltipManager::Init() { | |
| 105 // Create the tooltip control. | |
| 106 tooltip_hwnd_ = CreateWindowEx( | |
| 107 WS_EX_TRANSPARENT | l10n_util::GetExtendedTooltipStyles(), | |
| 108 TOOLTIPS_CLASS, NULL, TTS_NOPREFIX, 0, 0, 0, 0, | |
| 109 parent_, NULL, NULL, NULL); | |
| 110 | |
| 111 l10n_util::AdjustUIFontForWindow(tooltip_hwnd_); | |
| 112 | |
| 113 // This effectively turns off clipping of tooltips. We need this otherwise | |
| 114 // multi-line text (\r\n) won't work right. The size doesn't really matter | |
| 115 // (just as long as its bigger than the monitor's width) as we clip to the | |
| 116 // screen size before rendering. | |
| 117 SendMessage(tooltip_hwnd_, TTM_SETMAXTIPWIDTH, 0, | |
| 118 std::numeric_limits<short>::max()); | |
| 119 | |
| 120 // Add one tool that is used for all tooltips. | |
| 121 toolinfo_.cbSize = sizeof(toolinfo_); | |
| 122 toolinfo_.uFlags = TTF_TRANSPARENT | TTF_IDISHWND; | |
| 123 toolinfo_.hwnd = parent_; | |
| 124 toolinfo_.uId = reinterpret_cast<UINT_PTR>(parent_); | |
| 125 // Setting this tells windows to call parent_ back (using a WM_NOTIFY | |
| 126 // message) for the actual tooltip contents. | |
| 127 toolinfo_.lpszText = LPSTR_TEXTCALLBACK; | |
| 128 SetRectEmpty(&toolinfo_.rect); | |
| 129 SendMessage(tooltip_hwnd_, TTM_ADDTOOL, 0, (LPARAM)&toolinfo_); | |
| 130 } | |
| 131 | |
| 132 void TooltipManager::UpdateTooltip() { | |
| 133 // Set last_view_out_of_sync_ to indicate the view is currently out of sync. | |
| 134 // This doesn't update the view under the mouse immediately as it may cause | |
| 135 // timing problems. | |
| 136 last_view_out_of_sync_ = true; | |
| 137 last_tooltip_view_ = NULL; | |
| 138 // Hide the tooltip. | |
| 139 SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); | |
| 140 } | |
| 141 | |
| 142 void TooltipManager::TooltipTextChanged(View* view) { | |
| 143 if (view == last_tooltip_view_) | |
| 144 UpdateTooltip(last_mouse_x_, last_mouse_y_); | |
| 145 } | |
| 146 | |
| 147 LRESULT TooltipManager::OnNotify(int w_param, NMHDR* l_param, bool* handled) { | |
| 148 *handled = false; | |
| 149 if (l_param->hwndFrom == tooltip_hwnd_ && keyboard_tooltip_hwnd_ == NULL) { | |
| 150 switch (l_param->code) { | |
| 151 case TTN_GETDISPINFO: { | |
| 152 if (last_view_out_of_sync_) { | |
| 153 // View under the mouse is out of sync, determine it now. | |
| 154 RootView* root_view = widget_->GetRootView(); | |
| 155 last_tooltip_view_ = root_view->GetViewForPoint( | |
| 156 gfx::Point(last_mouse_x_, last_mouse_y_)); | |
| 157 last_view_out_of_sync_ = false; | |
| 158 } | |
| 159 // Tooltip control is asking for the tooltip to display. | |
| 160 NMTTDISPINFOW* tooltip_info = | |
| 161 reinterpret_cast<NMTTDISPINFOW*>(l_param); | |
| 162 // Initialize the string, if we have a valid tooltip the string will | |
| 163 // get reset below. | |
| 164 tooltip_info->szText[0] = TEXT('\0'); | |
| 165 tooltip_text_.clear(); | |
| 166 tooltip_info->lpszText = NULL; | |
| 167 clipped_text_.clear(); | |
| 168 if (last_tooltip_view_ != NULL) { | |
| 169 tooltip_text_.clear(); | |
| 170 // Mouse is over a View, ask the View for it's tooltip. | |
| 171 gfx::Point view_loc(last_mouse_x_, last_mouse_y_); | |
| 172 View::ConvertPointToView(widget_->GetRootView(), | |
| 173 last_tooltip_view_, &view_loc); | |
| 174 if (last_tooltip_view_->GetTooltipText(view_loc.x(), view_loc.y(), | |
| 175 &tooltip_text_) && | |
| 176 !tooltip_text_.empty()) { | |
| 177 // View has a valid tip, copy it into TOOLTIPINFO. | |
| 178 clipped_text_ = tooltip_text_; | |
| 179 TrimTooltipToFit(&clipped_text_, &tooltip_width_, &line_count_, | |
| 180 last_mouse_x_, last_mouse_y_, tooltip_hwnd_); | |
| 181 // Adjust the clipped tooltip text for locale direction. | |
| 182 l10n_util::AdjustStringForLocaleDirection(clipped_text_, | |
| 183 &clipped_text_); | |
| 184 tooltip_info->lpszText = const_cast<WCHAR*>(clipped_text_.c_str()); | |
| 185 } else { | |
| 186 tooltip_text_.clear(); | |
| 187 } | |
| 188 } | |
| 189 *handled = true; | |
| 190 return 0; | |
| 191 } | |
| 192 case TTN_POP: | |
| 193 tooltip_showing_ = false; | |
| 194 *handled = true; | |
| 195 return 0; | |
| 196 case TTN_SHOW: { | |
| 197 *handled = true; | |
| 198 tooltip_showing_ = true; | |
| 199 // The tooltip is about to show, allow the view to position it | |
| 200 gfx::Point text_origin; | |
| 201 if (tooltip_height_ == 0) | |
| 202 tooltip_height_ = CalcTooltipHeight(); | |
| 203 gfx::Point view_loc(last_mouse_x_, last_mouse_y_); | |
| 204 View::ConvertPointToView(widget_->GetRootView(), | |
| 205 last_tooltip_view_, &view_loc); | |
| 206 if (last_tooltip_view_->GetTooltipTextOrigin( | |
| 207 view_loc.x(), view_loc.y(), &text_origin) && | |
| 208 SetTooltipPosition(text_origin.x(), text_origin.y())) { | |
| 209 // Return true, otherwise the rectangle we specified is ignored. | |
| 210 return TRUE; | |
| 211 } | |
| 212 return 0; | |
| 213 } | |
| 214 default: | |
| 215 // Fall through. | |
| 216 break; | |
| 217 } | |
| 218 } | |
| 219 return 0; | |
| 220 } | |
| 221 | |
| 222 bool TooltipManager::SetTooltipPosition(int text_x, int text_y) { | |
| 223 // NOTE: this really only tests that the y location fits on screen, but that | |
| 224 // is good enough for our usage. | |
| 225 | |
| 226 // Calculate the bounds the tooltip will get. | |
| 227 gfx::Point view_loc; | |
| 228 View::ConvertPointToScreen(last_tooltip_view_, &view_loc); | |
| 229 RECT bounds = { view_loc.x() + text_x, | |
| 230 view_loc.y() + text_y, | |
| 231 view_loc.x() + text_x + tooltip_width_, | |
| 232 view_loc.y() + line_count_ * GetTooltipHeight() }; | |
| 233 SendMessage(tooltip_hwnd_, TTM_ADJUSTRECT, TRUE, (LPARAM)&bounds); | |
| 234 | |
| 235 // Make sure the rectangle completely fits on the current monitor. If it | |
| 236 // doesn't, return false so that windows positions the tooltip at the | |
| 237 // default location. | |
| 238 gfx::Rect monitor_bounds = | |
| 239 win_util::GetMonitorBoundsForRect(gfx::Rect(bounds.left,bounds.right, | |
| 240 0, 0)); | |
| 241 if (!monitor_bounds.Contains(gfx::Rect(bounds))) { | |
| 242 return false; | |
| 243 } | |
| 244 | |
| 245 ::SetWindowPos(tooltip_hwnd_, NULL, bounds.left, bounds.top, 0, 0, | |
| 246 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE); | |
| 247 return true; | |
| 248 } | |
| 249 | |
| 250 int TooltipManager::CalcTooltipHeight() { | |
| 251 // Ask the tooltip for it's font. | |
| 252 int height; | |
| 253 HFONT hfont = reinterpret_cast<HFONT>( | |
| 254 SendMessage(tooltip_hwnd_, WM_GETFONT, 0, 0)); | |
| 255 if (hfont != NULL) { | |
| 256 HDC dc = GetDC(tooltip_hwnd_); | |
| 257 HFONT previous_font = static_cast<HFONT>(SelectObject(dc, hfont)); | |
| 258 int last_map_mode = SetMapMode(dc, MM_TEXT); | |
| 259 TEXTMETRIC font_metrics; | |
| 260 GetTextMetrics(dc, &font_metrics); | |
| 261 height = font_metrics.tmHeight; | |
| 262 // To avoid the DC referencing font_handle_, select the previous font. | |
| 263 SelectObject(dc, previous_font); | |
| 264 SetMapMode(dc, last_map_mode); | |
| 265 ReleaseDC(NULL, dc); | |
| 266 } else { | |
| 267 // Tooltip is using the system font. Use gfx::Font, which should pick | |
| 268 // up the system font. | |
| 269 height = gfx::Font().height(); | |
| 270 } | |
| 271 // Get the margins from the tooltip | |
| 272 RECT tooltip_margin; | |
| 273 SendMessage(tooltip_hwnd_, TTM_GETMARGIN, 0, (LPARAM)&tooltip_margin); | |
| 274 return height + tooltip_margin.top + tooltip_margin.bottom; | |
| 275 } | |
| 276 | |
| 277 void TooltipManager::TrimTooltipToFit(std::wstring* text, | |
| 278 int* max_width, | |
| 279 int* line_count, | |
| 280 int position_x, | |
| 281 int position_y, | |
| 282 HWND window) { | |
| 283 *max_width = 0; | |
| 284 *line_count = 0; | |
| 285 | |
| 286 // Clamp the tooltip length to kMaxTooltipLength so that we don't | |
| 287 // accidentally DOS the user with a mega tooltip (since Windows doesn't seem | |
| 288 // to do this itself). | |
| 289 if (text->length() > kMaxTooltipLength) | |
| 290 *text = text->substr(0, kMaxTooltipLength); | |
| 291 | |
| 292 // Determine the available width for the tooltip. | |
| 293 gfx::Point screen_loc(position_x, position_y); | |
| 294 View::ConvertPointToScreen(widget_->GetRootView(), &screen_loc); | |
| 295 gfx::Rect monitor_bounds = | |
| 296 win_util::GetMonitorBoundsForRect(gfx::Rect(screen_loc.x(), | |
| 297 screen_loc.y(), | |
| 298 0, 0)); | |
| 299 RECT tooltip_margin; | |
| 300 SendMessage(window, TTM_GETMARGIN, 0, (LPARAM)&tooltip_margin); | |
| 301 const int available_width = monitor_bounds.width() - tooltip_margin.left - | |
| 302 tooltip_margin.right; | |
| 303 if (available_width <= 0) | |
| 304 return; | |
| 305 | |
| 306 // Split the string. | |
| 307 std::vector<std::wstring> lines; | |
| 308 SplitTooltipString(*text, &lines); | |
| 309 *line_count = static_cast<int>(lines.size()); | |
| 310 | |
| 311 // Format each line to fit. | |
| 312 gfx::Font font = GetDefaultFont(); | |
| 313 std::wstring result; | |
| 314 for (std::vector<std::wstring>::iterator i = lines.begin(); i != lines.end(); | |
| 315 ++i) { | |
| 316 std::wstring elided_text = gfx::ElideText(*i, font, available_width); | |
| 317 *max_width = std::max(*max_width, font.GetStringWidth(elided_text)); | |
| 318 if (i == lines.begin() && i + 1 == lines.end()) { | |
| 319 *text = elided_text; | |
| 320 return; | |
| 321 } | |
| 322 if (!result.empty()) | |
| 323 result.append(GetLineSeparator()); | |
| 324 result.append(elided_text); | |
| 325 } | |
| 326 *text = result; | |
| 327 } | |
| 328 | |
| 329 void TooltipManager::UpdateTooltip(int x, int y) { | |
| 330 RootView* root_view = widget_->GetRootView(); | |
| 331 View* view = root_view->GetViewForPoint(gfx::Point(x, y)); | |
| 332 if (view != last_tooltip_view_) { | |
| 333 // NOTE: This *must* be sent regardless of the visibility of the tooltip. | |
| 334 // It triggers Windows to ask for the tooltip again. | |
| 335 SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); | |
| 336 last_tooltip_view_ = view; | |
| 337 } else if (last_tooltip_view_ != NULL) { | |
| 338 // Tooltip is showing, and mouse is over the same view. See if the tooltip | |
| 339 // text has changed. | |
| 340 gfx::Point view_point(x, y); | |
| 341 View::ConvertPointToView(root_view, last_tooltip_view_, &view_point); | |
| 342 std::wstring new_tooltip_text; | |
| 343 if (last_tooltip_view_->GetTooltipText(view_point.x(), view_point.y(), | |
| 344 &new_tooltip_text) && | |
| 345 new_tooltip_text != tooltip_text_) { | |
| 346 // The text has changed, hide the popup. | |
| 347 SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); | |
| 348 if (!new_tooltip_text.empty() && tooltip_showing_) { | |
| 349 // New text is valid, show the popup. | |
| 350 SendMessage(tooltip_hwnd_, TTM_POPUP, 0, 0); | |
| 351 } | |
| 352 } | |
| 353 } | |
| 354 } | |
| 355 | |
| 356 void TooltipManager::OnMouse(UINT u_msg, WPARAM w_param, LPARAM l_param) { | |
| 357 int x = GET_X_LPARAM(l_param); | |
| 358 int y = GET_Y_LPARAM(l_param); | |
| 359 | |
| 360 if (u_msg >= WM_NCMOUSEMOVE && u_msg <= WM_NCXBUTTONDBLCLK) { | |
| 361 // NC message coordinates are in screen coordinates. | |
| 362 gfx::Rect frame_bounds; | |
| 363 widget_->GetBounds(&frame_bounds, true); | |
| 364 x -= frame_bounds.x(); | |
| 365 y -= frame_bounds.y(); | |
| 366 } | |
| 367 | |
| 368 if (u_msg != WM_MOUSEMOVE || last_mouse_x_ != x || last_mouse_y_ != y) { | |
| 369 last_mouse_x_ = x; | |
| 370 last_mouse_y_ = y; | |
| 371 HideKeyboardTooltip(); | |
| 372 UpdateTooltip(x, y); | |
| 373 } | |
| 374 // Forward the message onto the tooltip. | |
| 375 MSG msg; | |
| 376 msg.hwnd = parent_; | |
| 377 msg.message = u_msg; | |
| 378 msg.wParam = w_param; | |
| 379 msg.lParam = l_param; | |
| 380 SendMessage(tooltip_hwnd_, TTM_RELAYEVENT, 0, (LPARAM)&msg); | |
| 381 } | |
| 382 | |
| 383 void TooltipManager::ShowKeyboardTooltip(View* focused_view) { | |
| 384 if (tooltip_showing_) { | |
| 385 SendMessage(tooltip_hwnd_, TTM_POP, 0, 0); | |
| 386 tooltip_text_.clear(); | |
| 387 } | |
| 388 HideKeyboardTooltip(); | |
| 389 std::wstring tooltip_text; | |
| 390 if (!focused_view->GetTooltipText(0, 0, &tooltip_text)) | |
| 391 return; | |
| 392 gfx::Rect focused_bounds = focused_view->bounds(); | |
| 393 gfx::Point screen_point; | |
| 394 focused_view->ConvertPointToScreen(focused_view, &screen_point); | |
| 395 gfx::Point relative_point_coordinates; | |
| 396 focused_view->ConvertPointToWidget(focused_view, &relative_point_coordinates); | |
| 397 keyboard_tooltip_hwnd_ = CreateWindowEx( | |
| 398 WS_EX_TRANSPARENT | l10n_util::GetExtendedTooltipStyles(), | |
| 399 TOOLTIPS_CLASS, NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL); | |
| 400 SendMessage(keyboard_tooltip_hwnd_, TTM_SETMAXTIPWIDTH, 0, | |
| 401 std::numeric_limits<short>::max()); | |
| 402 int tooltip_width; | |
| 403 int line_count; | |
| 404 TrimTooltipToFit(&tooltip_text, &tooltip_width, &line_count, | |
| 405 relative_point_coordinates.x(), | |
| 406 relative_point_coordinates.y(), keyboard_tooltip_hwnd_); | |
| 407 TOOLINFO keyboard_toolinfo; | |
| 408 memset(&keyboard_toolinfo, 0, sizeof(keyboard_toolinfo)); | |
| 409 keyboard_toolinfo.cbSize = sizeof(keyboard_toolinfo); | |
| 410 keyboard_toolinfo.hwnd = parent_; | |
| 411 keyboard_toolinfo.uFlags = TTF_TRACK | TTF_TRANSPARENT | TTF_IDISHWND ; | |
| 412 keyboard_toolinfo.lpszText = const_cast<WCHAR*>(tooltip_text.c_str()); | |
| 413 SendMessage(keyboard_tooltip_hwnd_, TTM_ADDTOOL, 0, | |
| 414 reinterpret_cast<LPARAM>(&keyboard_toolinfo)); | |
| 415 SendMessage(keyboard_tooltip_hwnd_, TTM_TRACKACTIVATE, TRUE, | |
| 416 reinterpret_cast<LPARAM>(&keyboard_toolinfo)); | |
| 417 if (!tooltip_height_) | |
| 418 tooltip_height_ = CalcTooltipHeight(); | |
| 419 RECT rect_bounds = {screen_point.x(), | |
| 420 screen_point.y() + focused_bounds.height(), | |
| 421 screen_point.x() + tooltip_width, | |
| 422 screen_point.y() + focused_bounds.height() + | |
| 423 line_count * tooltip_height_ }; | |
| 424 gfx::Rect monitor_bounds = | |
| 425 win_util::GetMonitorBoundsForRect(gfx::Rect(rect_bounds)); | |
| 426 rect_bounds = gfx::Rect(rect_bounds).AdjustToFit(monitor_bounds).ToRECT(); | |
| 427 ::SetWindowPos(keyboard_tooltip_hwnd_, NULL, rect_bounds.left, | |
| 428 rect_bounds.top, 0, 0, | |
| 429 SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOSIZE); | |
| 430 MessageLoop::current()->PostDelayedTask(FROM_HERE, | |
| 431 keyboard_tooltip_factory_.NewRunnableMethod( | |
| 432 &TooltipManager::DestroyKeyboardTooltipWindow, keyboard_tooltip_hwnd_), | |
| 433 kDefaultTimeout); | |
| 434 } | |
| 435 | |
| 436 void TooltipManager::HideKeyboardTooltip() { | |
| 437 if (keyboard_tooltip_hwnd_ != NULL) { | |
| 438 SendMessage(keyboard_tooltip_hwnd_, WM_CLOSE, 0, 0); | |
| 439 keyboard_tooltip_hwnd_ = NULL; | |
| 440 } | |
| 441 } | |
| 442 | |
| 443 void TooltipManager::DestroyKeyboardTooltipWindow(HWND window_to_destroy) { | |
| 444 if (keyboard_tooltip_hwnd_ == window_to_destroy) | |
| 445 HideKeyboardTooltip(); | |
| 446 } | |
| 447 | |
| 448 } // namespace views | |
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Chromium Code Reviews
Issue 114054:
Splits TooltipManager so that it can be ported and stubs out the GTK... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/