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-rw-r--r--chromium/ui/views/controls/native_control_win.h99
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diff --git a/chromium/ui/views/controls/native_control_win.h b/chromium/ui/views/controls/native_control_win.h
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--- a/chromium/ui/views/controls/native_control_win.h
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-// 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 UI_VIEWS_CONTROLS_NATIVE_CONTROL_WIN_H_
-#define UI_VIEWS_CONTROLS_NATIVE_CONTROL_WIN_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_vector.h"
-#include "ui/views/controls/native/native_view_host.h"
-#include "ui/views/widget/child_window_message_processor.h"
-
-namespace ui {
-class ViewProp;
-}
-
-namespace views {
-
-// A View that hosts a native Windows control.
-class NativeControlWin : public ChildWindowMessageProcessor,
- public NativeViewHost {
- public:
- NativeControlWin();
- virtual ~NativeControlWin();
-
- // Called by our subclassed window procedure when a WM_KEYDOWN message is
- // received by the HWND created by an object derived from NativeControlWin.
- // Returns true if the key was processed, false otherwise.
- virtual bool OnKeyDown(int vkey) { return false; }
-
- // Overridden from ChildWindowMessageProcessor:
- virtual bool ProcessMessage(UINT message,
- WPARAM w_param,
- LPARAM l_param,
- LRESULT* result) OVERRIDE;
-
- // Overridden from View:
- virtual void OnEnabledChanged() OVERRIDE;
-
- protected:
- virtual void ViewHierarchyChanged(
- const ViewHierarchyChangedDetails& details) OVERRIDE;
- virtual void VisibilityChanged(View* starting_from, bool is_visible) OVERRIDE;
- virtual void OnFocus() OVERRIDE;
-
- // Called by the containing NativeWidgetWin when a WM_CONTEXTMENU message is
- // received from the HWND created by an object derived from NativeControlWin.
- virtual void ShowContextMenu(const gfx::Point& location);
-
- // Called when the NativeControlWin is attached to a View hierarchy with a
- // valid Widget. The NativeControlWin should use this opportunity to create
- // its associated HWND.
- virtual void CreateNativeControl() = 0;
-
- // MUST be called by the subclass implementation of |CreateNativeControl|
- // immediately after creating the control HWND, otherwise it won't be attached
- // to the NativeViewHost and will be effectively orphaned.
- virtual void NativeControlCreated(HWND native_control);
-
- // Returns additional extended style flags. When subclasses call
- // CreateWindowEx in order to create the underlying control, they must OR the
- // ExStyle parameter with the value returned by this function.
- //
- // We currently use this method in order to add flags such as WS_EX_LAYOUTRTL
- // to the HWND for views with right-to-left UI layout.
- DWORD GetAdditionalExStyle() const;
-
- // TODO(xji): we use the following temporary function as we transition the
- // various native controls to use the right set of RTL flags. This function
- // will go away (and be replaced by GetAdditionalExStyle()) once all the
- // controls are properly transitioned.
- DWORD GetAdditionalRTLStyle() const;
-
- private:
- typedef ScopedVector<ui::ViewProp> ViewProps;
-
- // Called by the containing NativeWidgetWin when a message of type
- // WM_CTLCOLORBTN or WM_CTLCOLORSTATIC is sent from the HWND created by an
- // object derived from NativeControlWin.
- LRESULT GetControlColor(UINT message, HDC dc, HWND sender);
-
- // Our subclass window procedure for the attached control.
- static LRESULT CALLBACK NativeControlWndProc(HWND window,
- UINT message,
- WPARAM w_param,
- LPARAM l_param);
-
- // The window procedure before we subclassed.
- WNDPROC original_wndproc_;
-
- ViewProps props_;
-
- DISALLOW_COPY_AND_ASSIGN(NativeControlWin);
-};
-
-} // namespace views
-
-#endif // UI_VIEWS_CONTROLS_NATIVE_CONTROL_WIN_H_