Start splitting out view-related stuff from WebContents into a new class WebContentsViewWin, accessed through an abstract interface WebContentsView. This is incomplete but is a good start. There are still a bunch of pass-throughs required for the TabContents overrides. These won't be able to be cleaned up until we kill TabContents.

Review URL: http://codereview.chromium.org/7205

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@3243 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 86 insertions, 0 deletions

diff --git a/chrome/browser/web_contents_view_win.h b/chrome/browser/web_contents_view_win.h
new file mode 100644
index 0000000..09e80ff
--- /dev/null
+++ b/chrome/browser/web_contents_view_win.h
@@ -0,0 +1,86 @@
+// 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_WEB_CONTENTS_VIEW_WIN_H_
+#define CHROME_BROWSER_WEB_CONTENTS_VIEW_WIN_H_
+
+#include "chrome/browser/web_contents_view.h"
+#include "chrome/views/hwnd_view_container.h"
+
+struct WebDropData;
+class WebDropTarget;
+
+// Windows-specific implementation of the WebContentsView. It is a HWND that
+// contains all of the contents of the tab and associated child views.
+class WebContentsViewWin : public WebContentsView,
+                           public ChromeViews::HWNDViewContainer {
+ 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 WebContentsViewWin(WebContents* web_contents);
+  virtual ~WebContentsViewWin();
+
+  // WebContentsView implementation --------------------------------------------
+
+  // TODO(brettw) what on earth is the difference between this and
+  // CreatePageView. Do we really need both?
+  virtual void CreateView(HWND parent_hwnd,
+                          const gfx::Rect& initial_bounds);
+  virtual RenderWidgetHostHWND* CreatePageView(
+      RenderViewHost* render_view_host);
+  virtual HWND GetContainerHWND() const;
+  virtual HWND GetContentHWND() const;
+  virtual void GetContainerBounds(gfx::Rect* out) const;
+  virtual void StartDragging(const WebDropData& drop_data);
+  virtual void DetachPluginWindows();
+  virtual void SetInfoBarVisible(bool visible);
+  virtual bool IsInfoBarVisible() const;
+  virtual InfoBarView* GetInfoBarView();
+  virtual void UpdateDragCursor(bool is_drop_target);
+
+ private:
+  // Windows events ------------------------------------------------------------
+
+  // Overrides from HWNDViewContainer.
+  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);
+
+  // TODO(brettw) comment these. They're confusing.
+  bool ScrollZoom(int scroll_type);
+  void WheelZoom(int distance);
+
+  // ---------------------------------------------------------------------------
+
+  // TODO(brettw) when this class is separated from WebContents, we should own
+  WebContents* web_contents_;
+
+  // A drop target object that handles drags over this WebContents.
+  scoped_refptr<WebDropTarget> drop_target_;
+
+  // InfoBarView, lazily created.
+  scoped_ptr<InfoBarView> info_bar_view_;
+
+  // Whether the info bar view is visible.
+  bool info_bar_visible_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebContentsViewWin);
+};
+
+#endif  // CHROME_BROWSER_WEB_CONTENTS_VIEW_WIN_H_