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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 CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_
#define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_
#include "base/gfx/size.h"
#include "base/scoped_ptr.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"
#include "chrome/views/widget/widget_win.h"
class SadTabView;
struct WebDropData;
class WebDropTarget;
// Windows-specific implementation of the TabContentsView. It is a HWND that
// contains all of the contents of the tab and associated child views.
class TabContentsViewWin : public TabContentsView,
public views::WidgetWin {
public:
// The corresponding WebContents is passed in the constructor, and manages our
// lifetime. This doesn't need to be the case, but is this way currently
// because that's what was easiest when they were split.
explicit TabContentsViewWin(WebContents* web_contents);
virtual ~TabContentsViewWin();
// TabContentsView implementation --------------------------------------------
virtual void CreateView();
virtual RenderWidgetHostView* CreateViewForWidget(
RenderWidgetHost* render_widget_host);
virtual gfx::NativeView GetNativeView() const;
virtual gfx::NativeView GetContentNativeView() const;
virtual gfx::NativeWindow GetTopLevelNativeWindow() const;
virtual void GetContainerBounds(gfx::Rect* out) const;
virtual void OnContentsDestroy();
virtual void SetPageTitle(const std::wstring& title);
virtual void Invalidate();
virtual void SizeContents(const gfx::Size& size);
virtual void Focus();
virtual void SetInitialFocus();
virtual void StoreFocus();
virtual void RestoreFocus();
virtual void SetChildSize(RenderWidgetHostView* rwh_view);
// Backend implementation of RenderViewHostDelegate::View.
virtual void ShowContextMenu(const ContextMenuParams& params);
virtual void StartDragging(const WebDropData& drop_data);
virtual void UpdateDragCursor(bool is_drop_target);
virtual void TakeFocus(bool reverse);
virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
private:
// Windows events ------------------------------------------------------------
// Overrides from WidgetWin.
virtual void OnDestroy();
virtual void OnHScroll(int scroll_type, short position, HWND scrollbar);
virtual void OnMouseLeave();
virtual LRESULT OnMouseRange(UINT msg, WPARAM w_param, LPARAM l_param);
virtual void OnPaint(HDC junk_dc);
virtual LRESULT OnReflectedMessage(UINT msg, WPARAM w_param, LPARAM l_param);
virtual void OnSetFocus(HWND window);
virtual void OnVScroll(int scroll_type, short position, HWND scrollbar);
virtual void OnWindowPosChanged(WINDOWPOS* window_pos);
virtual void OnSize(UINT param, const CSize& size);
virtual LRESULT OnNCCalcSize(BOOL w_param, LPARAM l_param);
virtual void OnNCPaint(HRGN rgn);
// Backend for all scroll messages, the |message| parameter indicates which
// one it is.
void ScrollCommon(UINT message, int scroll_type, short position,
HWND scrollbar);
// Handles notifying the WebContents and other operations when the window was
// shown or hidden.
void WasHidden();
void WasShown();
// Handles resizing of the contents. This will notify the RenderWidgetHostView
// of the change, reposition popups, and the find in page bar.
void WasSized(const gfx::Size& size);
// TODO(brettw) comment these. They're confusing.
bool ScrollZoom(int scroll_type);
void WheelZoom(int distance);
// ---------------------------------------------------------------------------
// A drop target object that handles drags over this WebContents.
scoped_refptr<WebDropTarget> drop_target_;
// Used to render the sad tab. This will be non-NULL only when the sad tab is
// visible.
scoped_ptr<SadTabView> sad_tab_;
// Whether to ignore the next CHAR keyboard event.
bool ignore_next_char_event_;
// The id used in the ViewStorage to store the last focused view.
int last_focused_view_storage_id_;
DISALLOW_COPY_AND_ASSIGN(TabContentsViewWin);
};
#endif // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_VIEW_WIN_H_
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