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, 84 insertions, 0 deletions

diff --git a/chrome/browser/web_contents_view.h b/chrome/browser/web_contents_view.h
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+++ b/chrome/browser/web_contents_view.h
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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_WEB_CONTENTS_VIEW_H_
+#define CHROME_BROWSER_WEB_CONTENTS_VIEW_H_
+
+#include <windows.h>
+
+#include "base/basictypes.h"
+#include "base/gfx/rect.h"
+#include "base/gfx/size.h"
+
+class InfoBarView;
+class RenderViewHost;
+class RenderWidgetHostHWND;
+class WebContents;
+struct WebDropData;
+
+// The WebContentsView is an interface that is implemented by the platform-
+// dependent web contents views. The WebContents uses this interface to talk to
+// them.
+class WebContentsView {
+ public:
+  virtual ~WebContentsView() {}
+
+  virtual void CreateView(HWND parent_hwnd,
+                          const gfx::Rect& initial_bounds) = 0;
+
+  // Sets up the View that holds the rendered web page, receives messages for
+  // it and contains page plugins.
+  virtual RenderWidgetHostHWND* CreatePageView(
+      RenderViewHost* render_view_host) = 0;
+
+  // Returns the HWND that contains the contents of the tab.
+  // TODO(brettw) this should not be necessary in this cross-platform interface.
+  virtual HWND GetContainerHWND() const = 0;
+
+  // Returns the HWND with the main content of the tab (i.e. the main render
+  // view host, though there may be many popups in the tab as children of the
+  // container HWND).
+  // TODO(brettw) this should not be necessary in this cross-platform interface.
+  virtual HWND GetContentHWND() const = 0;
+
+  // Computes the rectangle for the native widget that contains the contents of
+  // the tab relative to its parent.
+  virtual void GetContainerBounds(gfx::Rect *out) const = 0;
+
+  // Helper function for GetContainerBounds. Most callers just want to know the
+  // size, and this makes it more clear.
+  gfx::Size GetContainerSize() const {
+    gfx::Rect rc;
+    GetContainerBounds(&rc);
+    return gfx::Size(rc.width(), rc.height());
+  }
+
+  // The user started dragging content of the specified type within the tab.
+  // Contextual information about the dragged content is supplied by drop_data.
+  virtual void StartDragging(const WebDropData& drop_data) = 0;
+
+  // Enumerate and 'un-parent' any plugin windows that are children of us.
+  virtual void DetachPluginWindows() = 0;
+
+  // Set/get whether or not the info bar is visible. See also the ChromeFrame
+  // method InfoBarVisibilityChanged and TabContents::IsInfoBarVisible.
+  virtual void SetInfoBarVisible(bool visible) = 0;
+  virtual bool IsInfoBarVisible() const = 0;
+
+  // Create the InfoBarView and returns it if none has been created.
+  // Just returns existing InfoBarView if it is already created.
+  virtual InfoBarView* GetInfoBarView() = 0;
+
+  // The page wants to update the mouse cursor during a drag & drop operation.
+  // |is_drop_target| is true if the mouse is over a valid drop target.
+  virtual void UpdateDragCursor(bool is_drop_target) = 0;
+
+ protected:
+  WebContentsView() {}  // Abstract interface.
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(WebContentsView);
+};
+
+#endif  // CHROME_BROWSER_WEB_CONTENTS_VIEW_H_