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)#ifndef CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/basictypes.h" 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "chrome/browser/ui/panels/panel_constants.h" 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/point.h" 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class Panel; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PanelManager; 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gfx { 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) class Rect; 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Responsible for handling resize operations initiated for all panels. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PanelResizeController { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) explicit PanelResizeController(PanelManager* panel_manager); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Resize the given panel. 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |mouse_location| is in screen coordinate system. 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void StartResizing(Panel* panel, 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const gfx::Point& mouse_location, 29f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) int component); 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void Resize(const gfx::Point& mouse_location); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the panel that was resized. 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Panel* EndResizing(bool cancelled); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Asynchronous confirmation of panel having been closed. 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void OnPanelClosed(Panel* panel); 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool IsResizing() const { return resizing_panel_ != NULL; } 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) private: 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) PanelManager* panel_manager_; // Weak, owns us. 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Panel currently being resized. 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) Panel* resizing_panel_; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 46f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) // The part of the border used to resize the window. 47f8ee788a64d60abd8f2d742a5fdedde054ecd910Torne (Richard Coles) int component_; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The mouse location, in screen coordinates, when StartResizing 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // previously called. 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Point mouse_location_at_start_; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Bounds to restore the panel to if resize is cancelled. 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) gfx::Rect bounds_at_start_; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(PanelResizeController); 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif // CHROME_BROWSER_UI_PANELS_PANEL_RESIZE_CONTROLLER_H_ 60