// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_ #define VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_ #include "app/gfx/font.h" #include "views/focus/focus_manager.h" #include "views/controls/button/button.h" #include "views/window/client_view.h" namespace views { class DialogDelegate; class NativeButton; class Window; /////////////////////////////////////////////////////////////////////////////// // DialogClientView // // This ClientView subclass provides the content of a typical dialog box, // including a strip of buttons at the bottom right of the window, default // accelerator handlers for accept and cancel, and the ability for the // embedded contents view to provide extra UI to be shown in the row of // buttons. // class DialogClientView : public ClientView, public ButtonListener, public FocusChangeListener { public: DialogClientView(Window* window, View* contents_view); virtual ~DialogClientView(); // Adds the dialog buttons required by the supplied WindowDelegate to the // view. void ShowDialogButtons(); // Updates the enabled state and label of the buttons required by the // supplied WindowDelegate void UpdateDialogButtons(); // Accept the changes made in the window that contains this ClientView. void AcceptWindow(); // Cancel the changes made in the window that contains this ClientView. void CancelWindow(); // Accessors in case the user wishes to adjust these buttons. NativeButton* ok_button() const { return ok_button_; } NativeButton* cancel_button() const { return cancel_button_; } // Overridden from ClientView: virtual bool CanClose() const; virtual void WindowClosing(); virtual int NonClientHitTest(const gfx::Point& point); virtual DialogClientView* AsDialogClientView() { return this; } // FocusChangeListener implementation: virtual void FocusWillChange(View* focused_before, View* focused_now); protected: // View overrides: virtual void Paint(gfx::Canvas* canvas); virtual void PaintChildren(gfx::Canvas* canvas); virtual void Layout(); virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child); virtual gfx::Size GetPreferredSize(); virtual bool AcceleratorPressed(const Accelerator& accelerator); // ButtonListener implementation: virtual void ButtonPressed(Button* sender, const views::Event& event); private: // Paint the size box in the bottom right corner of the window if it is // resizable. void PaintSizeBox(gfx::Canvas* canvas); // Returns the width of the specified dialog button using the correct font. int GetButtonWidth(int button) const; int GetButtonsHeight() const; // Position and size various sub-views. void LayoutDialogButtons(); void LayoutContentsView(); // Makes the specified button the default button. void SetDefaultButton(NativeButton* button); bool has_dialog_buttons() const { return ok_button_ || cancel_button_; } // Create and add the extra view, if supplied by the delegate. void CreateExtraView(); // Returns the DialogDelegate for the window. DialogDelegate* GetDialogDelegate() const; // Closes the window. void Close(); // The dialog buttons. NativeButton* ok_button_; NativeButton* cancel_button_; // The button that is currently the default button if any. NativeButton* default_button_; // The button-level extra view, NULL unless the dialog delegate supplies one. View* extra_view_; // The layout rect of the size box, when visible. gfx::Rect size_box_bounds_; // True if the window was Accepted by the user using the OK button. bool accepted_; // Static resource initialization static void InitClass(); static gfx::Font* dialog_button_font_; DISALLOW_COPY_AND_ASSIGN(DialogClientView); }; } // namespace views #endif // #ifndef VIEWS_WINDOW_DIALOG_CLIENT_VIEW_H_