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// Copyright (c) 2012 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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_
#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_
#pragma once
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/timer.h"
#include "base/win/win_util.h"
#include "content/common/content_export.h"
#include "content/port/browser/render_view_host_delegate_view.h"
#include "content/public/browser/web_contents_view.h"
#include "ui/base/win/window_impl.h"
class RenderWidgetHostViewWin;
class WebDragDest;
class WebContentsDragWin;
class WebContentsImpl;
namespace content {
class WebContentsViewDelegate;
}
namespace ui {
class HWNDMessageFilter;
}
// An implementation of WebContentsView for Windows.
class CONTENT_EXPORT WebContentsViewWin
: public content::WebContentsView,
public content::RenderViewHostDelegateView,
public ui::WindowImpl {
public:
WebContentsViewWin(WebContentsImpl* web_contents,
content::WebContentsViewDelegate* delegate);
virtual ~WebContentsViewWin();
BEGIN_MSG_MAP_EX(WebContentsViewWin)
MESSAGE_HANDLER(WM_CREATE, OnCreate)
MESSAGE_HANDLER(WM_DESTROY, OnDestroy)
MESSAGE_HANDLER(WM_WINDOWPOSCHANGED, OnWindowPosChanged)
MESSAGE_HANDLER(WM_LBUTTONDOWN, OnMouseDown)
MESSAGE_HANDLER(WM_MBUTTONDOWN, OnMouseDown)
MESSAGE_HANDLER(WM_RBUTTONDOWN, OnMouseDown)
MESSAGE_HANDLER(WM_MOUSEMOVE, OnMouseMove)
MESSAGE_HANDLER(base::win::kReflectedMessage, OnReflectedMessage)
// Hacks for old ThinkPad touchpads/scroll points.
MESSAGE_HANDLER(WM_NCCALCSIZE, OnNCCalcSize)
MESSAGE_HANDLER(WM_NCHITTEST, OnNCHitTest)
MESSAGE_HANDLER(WM_HSCROLL, OnScroll)
MESSAGE_HANDLER(WM_VSCROLL, OnScroll)
MESSAGE_HANDLER(WM_SIZE, OnSize)
END_MSG_MAP()
// Overridden from WebContentsView:
virtual void CreateView(const gfx::Size& initial_size) OVERRIDE;
virtual content::RenderWidgetHostView* CreateViewForWidget(
content::RenderWidgetHost* render_widget_host) OVERRIDE;
virtual gfx::NativeView GetNativeView() const OVERRIDE;
virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
virtual void GetContainerBounds(gfx::Rect *out) const OVERRIDE;
virtual void SetPageTitle(const string16& title) OVERRIDE;
virtual void OnTabCrashed(base::TerminationStatus status,
int error_code) OVERRIDE;
virtual void SizeContents(const gfx::Size& size) OVERRIDE;
virtual void RenderViewCreated(content::RenderViewHost* host) OVERRIDE;
virtual void Focus() OVERRIDE;
virtual void SetInitialFocus() OVERRIDE;
virtual void StoreFocus() OVERRIDE;
virtual void RestoreFocus() OVERRIDE;
virtual bool IsDoingDrag() const OVERRIDE;
virtual void CancelDragAndCloseTab() OVERRIDE;
virtual WebDropData* GetDropData() const OVERRIDE;
virtual bool IsEventTracking() const OVERRIDE;
virtual void CloseTabAfterEventTracking() OVERRIDE;
virtual gfx::Rect GetViewBounds() const OVERRIDE;
// Implementation of RenderViewHostDelegateView.
virtual void ShowContextMenu(
const content::ContextMenuParams& params) OVERRIDE;
virtual void ShowPopupMenu(const gfx::Rect& bounds,
int item_height,
double item_font_size,
int selected_item,
const std::vector<WebMenuItem>& items,
bool right_aligned,
bool allow_multiple_selection) OVERRIDE;
virtual void StartDragging(const WebDropData& drop_data,
WebKit::WebDragOperationsMask operations,
const SkBitmap& image,
const gfx::Point& image_offset) OVERRIDE;
virtual void UpdateDragCursor(WebKit::WebDragOperation operation) OVERRIDE;
virtual void GotFocus() OVERRIDE;
virtual void TakeFocus(bool reverse) OVERRIDE;
WebContentsImpl* web_contents() const { return web_contents_; }
private:
void EndDragging();
void CloseTab();
LRESULT OnCreate(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnDestroy(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnWindowPosChanged(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnMouseDown(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnMouseMove(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnReflectedMessage(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnNCCalcSize(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnNCHitTest(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnScroll(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
LRESULT OnSize(
UINT message, WPARAM wparam, LPARAM lparam, BOOL& handled);
gfx::Size initial_size_;
// The WebContentsImpl whose contents we display.
WebContentsImpl* web_contents_;
RenderWidgetHostViewWin* view_;
scoped_ptr<content::WebContentsViewDelegate> delegate_;
// The helper object that handles drag destination related interactions with
// Windows.
scoped_refptr<WebDragDest> drag_dest_;
// Used to handle the drag-and-drop.
scoped_refptr<WebContentsDragWin> drag_handler_;
// Set to true if we want to close the tab after the system drag operation
// has finished.
bool close_tab_after_drag_ends_;
// Used to close the tab after the stack has unwound.
base::OneShotTimer<WebContentsViewWin> close_tab_timer_;
scoped_ptr<ui::HWNDMessageFilter> hwnd_message_filter_;
DISALLOW_COPY_AND_ASSIGN(WebContentsViewWin);
};
#endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_WIN_H_
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