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author | ben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-21 20:51:20 +0000 |
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committer | ben@chromium.org <ben@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2008-11-21 20:51:20 +0000 |
commit | a0dde12f2e4f92f1a59885c45cfecd10dbfdfdfd (patch) | |
tree | d8283a980977f11c43542016d57f698d3a83b73d /chrome/views/widget.h | |
parent | 933cc00eb856db684b9e64b7486ca20edbb2c3ea (diff) | |
download | chromium_src-a0dde12f2e4f92f1a59885c45cfecd10dbfdfdfd.zip chromium_src-a0dde12f2e4f92f1a59885c45cfecd10dbfdfdfd.tar.gz chromium_src-a0dde12f2e4f92f1a59885c45cfecd10dbfdfdfd.tar.bz2 |
Rename Container->Widget
R=erg
review url = http://codereview.chromium.org/11348/show
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@5849 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/views/widget.h')
-rw-r--r-- | chrome/views/widget.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/chrome/views/widget.h b/chrome/views/widget.h new file mode 100644 index 0000000..221919d --- /dev/null +++ b/chrome/views/widget.h @@ -0,0 +1,87 @@ +// 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 CHROME_VIEWS_WIDGET_H_ +#define CHROME_VIEWS_WIDGET_H_ + +// TODO(maruel): Remove once HWND is abstracted. +#include <windows.h> + +namespace gfx { +class Rect; +} + +// TODO(maruel): Remove once gfx::Rect is used instead. +namespace WTL { +class CRect; +} +using WTL::CRect; + +namespace views { + +class RootView; +class TooltipManager; +class Accelerator; + +//////////////////////////////////////////////////////////////////////////////// +// +// Widget interface +// +// Widget is an abstract class that defines the API that should be implemented +// by a native window in order to host a view hierarchy. +// +// Widget wraps a hierarchy of View objects (see view.h) that implement +// painting and flexible layout within the bounds of the Widget's window. +// +// The Widget is responsible for handling various system events and forwarding +// them to the appropriate view. +// +///////////////////////////////////////////////////////////////////////////// + +class Widget { + public: + virtual ~Widget() { } + + // Returns the bounds of this Widget in the screen coordinate system. + // If the receiving Widget is a frame which is larger than its client area, + // this method returns the client area if including_frame is false and the + // frame bounds otherwise. If the receiving Widget is not a frame, + // including_frame is ignored. + virtual void GetBounds(CRect *out, bool including_frame) const = 0; + + // Moves this Widget to the front of the Z-Order If should_activate is TRUE, + // the window should also become the active window. + virtual void MoveToFront(bool should_activate) = 0; + + // Returns the Window HWND associated with this Widget. + virtual HWND GetHWND() const = 0; + + // Forces a paint of a specified rectangle immediately. + virtual void PaintNow(const gfx::Rect& update_rect) = 0; + + // Returns the RootView contained by this Widget. + virtual RootView* GetRootView() = 0; + + // Returns whether the Widget is visible to the user. + virtual bool IsVisible() = 0; + + // Returns whether the Widget is the currently active window. + virtual bool IsActive() = 0; + + // Returns the TooltipManager for this Widget. If this Widget does not support + // tooltips, NULL is returned. + virtual TooltipManager* GetTooltipManager() { + return NULL; + } + + // Returns the accelerator given a command id. Returns false if there is + // no accelerator associated with a given id, which is a common condition. + virtual bool GetAccelerator(int cmd_id, + Accelerator* accelerator) = 0; +}; + +} // namespace views + +#endif // CHROME_VIEWS_WIDGET_H_ + |