diff options
Diffstat (limited to 'views/widget/widget_delegate.h')
-rw-r--r-- | views/widget/widget_delegate.h | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/views/widget/widget_delegate.h b/views/widget/widget_delegate.h deleted file mode 100644 index 854c70b..0000000 --- a/views/widget/widget_delegate.h +++ /dev/null @@ -1,181 +0,0 @@ -// Copyright (c) 2011 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_WIDGET_WIDGET_DELEGATE_H_ -#define VIEWS_WIDGET_WIDGET_DELEGATE_H_ -#pragma once - -#include <string> - -#include "base/memory/scoped_ptr.h" -#include "ui/base/accessibility/accessibility_types.h" -#include "ui/base/ui_base_types.h" -#include "views/view.h" - -class SkBitmap; - -namespace gfx { -class Rect; -} - -namespace views { -class BubbleDelegateView; -class ClientView; -class DialogDelegate; -class NonClientFrameView; -class View; -class Widget; - -// WidgetDelegate interface -// Handles events on Widgets in context-specific ways. -class VIEWS_EXPORT WidgetDelegate { - public: - WidgetDelegate(); - - // Called whenever the widget's position changes. - virtual void OnWidgetMove(); - - // Called with the display changes (color depth or resolution). - virtual void OnDisplayChanged(); - - // Called when the work area (the desktop area minus task bars, - // menu bars, etc.) changes in size. - virtual void OnWorkAreaChanged(); - - // Returns the view that should have the focus when the widget is shown. If - // NULL no view is focused. - virtual View* GetInitiallyFocusedView(); - - // Moved from WindowDelegate: ------------------------------------------------ - // TODO(beng): sort - - virtual BubbleDelegateView* AsBubbleDelegate(); - virtual DialogDelegate* AsDialogDelegate(); - - // Returns true if the window can ever be resized. - virtual bool CanResize() const; - - // Returns true if the window can ever be maximized. - virtual bool CanMaximize() const; - - // Returns true if the window can be activated. - virtual bool CanActivate() const; - - // Returns true if the dialog should be displayed modally to the window that - // opened it. Only windows with WindowType == DIALOG can be modal. - virtual bool IsModal() const; - - virtual ui::AccessibilityTypes::Role GetAccessibleWindowRole() const; - - virtual ui::AccessibilityTypes::State GetAccessibleWindowState() const; - - // Returns the title to be read with screen readers. - virtual string16 GetAccessibleWindowTitle() const; - - // Returns the text to be displayed in the window title. - virtual string16 GetWindowTitle() const; - - // Returns true if the window should show a title in the title bar. - virtual bool ShouldShowWindowTitle() const; - - // Returns true if the window's client view wants a client edge. - virtual bool ShouldShowClientEdge() const; - - // Returns the app icon for the window. On Windows, this is the ICON_BIG used - // in Alt-Tab list and Win7's taskbar. - virtual SkBitmap GetWindowAppIcon(); - - // Returns the icon to be displayed in the window. - virtual SkBitmap GetWindowIcon(); - - // Returns true if a window icon should be shown. - virtual bool ShouldShowWindowIcon() const; - - // Execute a command in the window's controller. Returns true if the command - // was handled, false if it was not. - virtual bool ExecuteWindowsCommand(int command_id); - - // Returns the window's name identifier. Used to identify this window for - // state restoration. - virtual std::string GetWindowName() const; - - // Saves the window's bounds and "show" state. By default this uses the - // process' local state keyed by window name (See GetWindowName above). This - // behavior can be overridden to provide additional functionality. - virtual void SaveWindowPlacement(const gfx::Rect& bounds, - ui::WindowShowState show_state); - - // Retrieves the window's bounds and "show" states. - // This behavior can be overridden to provide additional functionality. - virtual bool GetSavedWindowPlacement(gfx::Rect* bounds, - ui::WindowShowState* show_state) const; - - // Returns true if the window's size should be restored. If this is false, - // only the window's origin is restored and the window is given its - // preferred size. - // Default is true. - virtual bool ShouldRestoreWindowSize() const; - - // Called when the window closes. The delegate MUST NOT delete itself during - // this call, since it can be called afterwards. See DeleteDelegate(). - virtual void WindowClosing() {} - - // Called when the window is destroyed. No events must be sent or received - // after this point. The delegate can use this opportunity to delete itself at - // this time if necessary. - virtual void DeleteDelegate() {} - - // Called when the user begins/ends to change the bounds of the window. - virtual void OnWindowBeginUserBoundsChange() {} - virtual void OnWindowEndUserBoundsChange() {} - - // Returns the Widget associated with this delegate. - virtual Widget* GetWidget() = 0; - virtual const Widget* GetWidget() const = 0; - - // Returns the View that is contained within this Widget. - virtual View* GetContentsView(); - - // Called by the Widget to create the Client View used to host the contents - // of the widget. - virtual ClientView* CreateClientView(Widget* widget); - - // Called by the Widget to create the NonClient Frame View for this widget. - // Return NULL to use the default one. - virtual NonClientFrameView* CreateNonClientFrameView(); - - // Returns true if the window can be notified with the work area change. - // Otherwise, the work area change for the top window will be processed by - // the default window manager. In some cases, like panel, we would like to - // manage the positions by ourselves. - virtual bool WillProcessWorkAreaChange() const; - - protected: - virtual ~WidgetDelegate() {} - - private: - View* default_contents_view_; - - DISALLOW_COPY_AND_ASSIGN(WidgetDelegate); -}; - -// A WidgetDelegate implementation that is-a View. Used to override GetWidget() -// to call View's GetWidget() for the common case where a WidgetDelegate -// implementation is-a View. -class VIEWS_EXPORT WidgetDelegateView : public WidgetDelegate, public View { - public: - WidgetDelegateView(); - virtual ~WidgetDelegateView(); - - // Overridden from WidgetDelegate: - virtual Widget* GetWidget() OVERRIDE; - virtual const Widget* GetWidget() const OVERRIDE; - - private: - DISALLOW_COPY_AND_ASSIGN(WidgetDelegateView); -}; - -} // namespace views - -#endif // VIEWS_WIDGET_WIDGET_DELEGATE_H_ |