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/panels/panel_resize_controller.h" 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/logging.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/panels/panel.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/panels/panel_manager.h" 10f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)#include "ui/base/hit_test.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace { 13f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ResizingLeft(int component) { 14f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return component == HTTOPLEFT || 15f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTLEFT || 16f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTBOTTOMLEFT; 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 19f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ResizingRight(int component) { 20f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return component == HTTOPRIGHT || 21f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTRIGHT || 22f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTBOTTOMRIGHT; 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 25f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ResizingTop(int component) { 26f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return component == HTTOPLEFT || 27f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTTOP || 28f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTTOPRIGHT; 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 31f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) bool ResizingBottom(int component) { 32f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) return component == HTBOTTOMRIGHT || 33f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTBOTTOM || 34f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component == HTBOTTOMLEFT; 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 36f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles)} // namespace 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PanelResizeController::PanelResizeController(PanelManager* panel_manager) 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : panel_manager_(panel_manager), 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_(NULL), 41f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component_(HTNOWHERE) { 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PanelResizeController::StartResizing(Panel* panel, 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& mouse_location, 46f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) int component) { 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(!IsResizing()); 48f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) DCHECK_NE(HTNOWHERE, component); 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) panel::Resizability resizability = panel->CanResizeByMouse(); 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK_NE(panel::NOT_RESIZABLE, resizability); 522a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) panel::Resizability resizability_to_test; 53f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) switch (component) { 54f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTTOPLEFT: 552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_TOP_LEFT; 562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 57f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTTOP: 582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_TOP; 592a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 60f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTTOPRIGHT: 612a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_TOP_RIGHT; 622a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 63f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTLEFT: 642a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_LEFT; 652a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 66f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTRIGHT: 672a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_RIGHT; 682a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 69f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTBOTTOMLEFT: 702a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_BOTTOM_LEFT; 712a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 72f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTBOTTOM: 732a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_BOTTOM; 742a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 75f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) case HTBOTTOMRIGHT: 762a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::RESIZABLE_BOTTOM_RIGHT; 772a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 782a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) default: 792a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizability_to_test = panel::NOT_RESIZABLE; 802a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) break; 812a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 822a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if ((resizability & resizability_to_test) == 0) { 832a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) DLOG(WARNING) << "Resizing not allowed. Is this a test?"; 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location_at_start_ = mouse_location; 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds_at_start_ = panel->GetBounds(); 89f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component_ = component; 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_ = panel; 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_->OnPanelStartUserResizing(); 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PanelResizeController::Resize(const gfx::Point& mouse_location) { 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsResizing()); 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) panel::Resizability resizability = resizing_panel_->CanResizeByMouse(); 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (panel::NOT_RESIZABLE == resizability) { 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EndResizing(false); 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds = resizing_panel_->GetBounds(); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 103f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingRight(component_)) { 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_width(std::max(bounds_at_start_.width() + 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location.x() - mouse_location_at_start_.x(), 0)); 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 107f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingBottom(component_)) { 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_height(std::max(bounds_at_start_.height() + 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location.y() - mouse_location_at_start_.y(), 0)); 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 111f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingLeft(component_)) { 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_width(std::max(bounds_at_start_.width() + 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location_at_start_.x() - mouse_location.x(), 0)); 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 115f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingTop(component_)) { 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int new_height = std::max(bounds_at_start_.height() + 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location_at_start_.y() - mouse_location.y(), 0); 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int new_y = bounds_at_start_.bottom() - new_height; 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1202a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // Make sure that the panel's titlebar cannot be resized under the taskbar 1212a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) // or OSX menu bar that is aligned to top screen edge. 1222a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect display_area = panel_manager_->display_settings_provider()-> 1232a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GetDisplayAreaMatching(bounds); 1242a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) gfx::Rect work_area = panel_manager_->display_settings_provider()-> 1252a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) GetWorkAreaMatching(bounds); 1262a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (display_area.y() <= mouse_location.y() && 1272a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) mouse_location.y() < work_area.y()) { 1282a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) new_height -= work_area.y() - new_y; 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_height(new_height); 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) } 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_->IncreaseMaxSize(bounds.size()); 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This effectively only clamps using the min size, since the max_size was 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // updated above. 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_size(resizing_panel_->ClampSize(bounds.size())); 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 140f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingLeft(component_)) 1415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_x(bounds_at_start_.right() - bounds.width()); 1425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 143f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) if (ResizingTop(component_)) 1445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds.set_y(bounds_at_start_.bottom() - bounds.height()); 1455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1462a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (bounds != resizing_panel_->GetBounds()) { 1472a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizing_panel_->SetPanelBoundsInstantly(bounds); 1485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_->OnWindowResizedByMouse(bounds); 1492a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)Panel* PanelResizeController::EndResizing(bool cancelled) { 1535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DCHECK(IsResizing()); 1545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1552a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) if (cancelled) { 1562a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) resizing_panel_->SetPanelBoundsInstantly(bounds_at_start_); 1575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_->OnWindowResizedByMouse(bounds_at_start_); 1582a99a7e74a7f215066514fe81d2bfa6639d9edddTorne (Richard Coles) } 1595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Do a thorough cleanup. 1615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_->OnPanelEndUserResizing(); 1625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Panel* resized_panel = resizing_panel_; 1635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) resizing_panel_ = NULL; 164f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) component_ = HTNOWHERE; 1655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bounds_at_start_ = gfx::Rect(); 1665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) mouse_location_at_start_ = gfx::Point(); 1675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return resized_panel; 1685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 1695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void PanelResizeController::OnPanelClosed(Panel* panel) { 1715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (!resizing_panel_) 1725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) return; 1735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If the resizing panel is closed, abort the resize operation. 1755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) if (resizing_panel_ == panel) 1765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EndResizing(false); 1775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 178