15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/tabs/tab_resources.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/path.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Hit mask constants. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabCapWidth = 15; 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabTopCurveWidth = 4; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabBottomCurveWidth = 3; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#if defined(TOOLKIT_VIEWS) 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Windows and Ash have shadows in the left, right and top parts of the tab. 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabInset = 6; 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabTop = 2; 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#else 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Linux GTK and Mac don't have the shadows. 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabInset = 0; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const SkScalar kTabTop = 0; 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// static 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void TabResources::GetHitTestMask(int width, 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int height, 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool include_top_shadow, 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Path* path) { 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(path); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar left = kTabInset; 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar top = kTabTop; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar right = SkIntToScalar(width) - kTabInset; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SkScalar bottom = SkIntToScalar(height); 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Start in the lower-left corner. 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->moveTo(left, bottom); 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Left end cap. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(left + kTabBottomCurveWidth, bottom - kTabBottomCurveWidth); 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(left + kTabCapWidth - kTabTopCurveWidth, 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) top + kTabTopCurveWidth); 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(left + kTabCapWidth, top); 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Extend over the top shadow area if we have one and the caller wants it. 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (kTabTop > 0 && include_top_shadow) { 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(left + kTabCapWidth, 0); 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(right - kTabCapWidth, 0); 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Connect to the right cap. 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(right - kTabCapWidth, top); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Right end cap. 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(right - kTabCapWidth + kTabTopCurveWidth, 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) top + kTabTopCurveWidth); 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(right - kTabBottomCurveWidth, bottom - kTabBottomCurveWidth); 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(right, bottom); 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Close out the path. 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->lineTo(left, bottom); 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) path->close(); 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 68