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authorben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-05-08 00:34:05 +0000
committerben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-05-08 00:34:05 +0000
commit2362e4fe2905ab75d3230ebc3e307ae53e2b8362 (patch)
treee6d88357a2021811e0e354f618247217be8bb3da /views/controls/button/button_dropdown.h
parentdb23ac3e713dc17509b2b15d3ee634968da45715 (diff)
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Move src/chrome/views to src/views. RS=darin http://crbug.com/11387
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15604 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'views/controls/button/button_dropdown.h')
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diff --git a/views/controls/button/button_dropdown.h b/views/controls/button/button_dropdown.h
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+// 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_CONTROLS_BUTTON_BUTTON_DROPDOWN_H_
+#define VIEWS_CONTROLS_BUTTON_BUTTON_DROPDOWN_H_
+
+#include "base/task.h"
+#include "views/controls/button/image_button.h"
+#include "views/controls/menu/menu.h"
+
+namespace views {
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// ButtonDropDown
+//
+// A button class that when pressed (and held) or pressed (and drag down) will
+// display a menu
+//
+////////////////////////////////////////////////////////////////////////////////
+class ButtonDropDown : public ImageButton {
+ public:
+ ButtonDropDown(ButtonListener* listener, Menu::Delegate* menu_delegate);
+ virtual ~ButtonDropDown();
+
+ // Accessibility accessors, overridden from View.
+ virtual bool GetAccessibleDefaultAction(std::wstring* action);
+ virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);
+ virtual bool GetAccessibleState(AccessibilityTypes::State* state);
+
+ private:
+ // Overridden from Button
+ virtual bool OnMousePressed(const MouseEvent& e);
+ virtual void OnMouseReleased(const MouseEvent& e, bool canceled);
+ virtual bool OnMouseDragged(const MouseEvent& e);
+
+ // Overridden from View. Used to display the right-click menu, as triggered
+ // by the keyboard, for instance. Using the member function ShowDropDownMenu
+ // for the actual display.
+ virtual void ShowContextMenu(int x,
+ int y,
+ bool is_mouse_gesture);
+
+ // Internal function to show the dropdown menu
+ void ShowDropDownMenu(HWND window);
+
+ // Specifies who to delegate populating the menu
+ Menu::Delegate* menu_delegate_;
+
+ // Y position of mouse when left mouse button is pressed
+ int y_position_on_lbuttondown_;
+
+ // A factory for tasks that show the dropdown context menu for the button.
+ ScopedRunnableMethodFactory<ButtonDropDown> show_menu_factory_;
+
+ DISALLOW_COPY_AND_ASSIGN(ButtonDropDown);
+};
+
+} // namespace views
+
+#endif // VIEWS_CONTROLS_BUTTON_BUTTON_DROPDOWN_H_