chrome/browser/status_view.h

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_STATUS_VIEW_H__
   6 #define CHROME_BROWSER_STATUS_VIEW_H__
   7
   8 #include <atlbase.h>
   9 #include <atlapp.h>
  10 #include <atlcrack.h>
  11 #include <atlctrls.h>
  12 #include <atlmisc.h>
  13 #include <vector>
  14
  15 #include "base/basictypes.h"
  16 #include "chrome/browser/tab_contents.h"
  17
  18 typedef CWinTraits<WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS>
  19     StatusViewTraits;
  20
  21 // A base class for about:network, about:ipc etc.  It handles creating a row of
  22 // buttons at the top of the page.  Derived classes get a rect of the remaining
  23 // area and can create their own controls there.
  24 class StatusView : public TabContents,
  25                    public CWindowImpl<StatusView, CWindow, StatusViewTraits> {
  26  public:
  27   StatusView(TabContentsType type);
  28
  29   BEGIN_MSG_MAP(StatusView)
  30     MSG_WM_CREATE(OnCreate)
  31     MSG_WM_ERASEBKGND(OnEraseBkgnd)
  32     MSG_WM_SIZE(OnSize)
  33   END_MSG_MAP()
  34
  35   virtual void CreateView(HWND parent_hwnd, const gfx::Rect& initial_bounds);
  36   virtual HWND GetContainerHWND() const { return m_hWnd; }
  37
  38   // Derived classes should implement the following functions
  39   // TabContents override, to set the page title.
  40   // virtual const std::wstring GetDefaultTitle() = 0;
  41   // Gives a rect whose top left corner is after the buttons.  The size of the
  42   // controls that are added by derived classes will be set in the next OnSize,
  43   // for now can use any height/width.
  44   virtual void OnCreate(const CRect& rect) = 0;
  45   virtual void OnSize(const CRect& rect) = 0;
  46
  47  protected:
  48   // Should be deleted via CloseContents.
  49   virtual ~StatusView();
  50
  51   // Creates and adds a button to the top row of the page.  Button ids should
  52   // be unique and start at 101.
  53   void CreateButton(int id, const wchar_t* title);
  54   void SetButtonText(int id, const wchar_t* title);
  55
  56   static const int kLayoutPadding;
  57   static const int kButtonWidth;
  58   static const int kButtonHeight;
  59
  60  private:
  61   // FocusTraversal Implementation
  62   // TODO (jcampan): make focus traversal work
  63   ChromeViews::View* FindNextFocusableView(ChromeViews::View* starting_view,
  64                                           bool reverse, bool dont_loop) {
  65     return NULL;
  66   }
  67
  68   // Event handlers
  69   LRESULT OnCreate(LPCREATESTRUCT create_struct);
  70   void OnSize(UINT size_command, const CSize& new_size);
  71   LRESULT OnEraseBkgnd(HDC hdc);
  72
  73   struct ButtonInfo {
  74     CButton* button;
  75     int id;
  76   };
  77
  78   std::vector<ButtonInfo> buttons_;
  79
  80   DISALLOW_EVIL_CONSTRUCTORS(StatusView);
  81 };
  82
  83 #endif  // #ifndef CHROME_BROWSER_STATUS_VIEW_H__
  84