content/port/browser/render_view_host_delegate_view.h

   1 // Copyright (c) 2012 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 CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
   6 #define CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "content/common/content_export.h"
  12 #include "content/common/drag_event_source_info.h"
  13 #include "content/public/common/context_menu_source_type.h"
  14 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h"
  15
  16 class SkBitmap;
  17 struct WebDropData;
  18 struct WebMenuItem;
  19
  20 namespace gfx {
  21 class ImageSkia;
  22 class Rect;
  23 class Vector2d;
  24 }
  25
  26 namespace content {
  27
  28 struct ContextMenuParams;
  29
  30 // This class provides a way for the RenderViewHost to reach out to its
  31 // delegate's view. It only needs to be implemented by embedders if they don't
  32 // use the default WebContentsView implementations.
  33 class CONTENT_EXPORT RenderViewHostDelegateView {
  34  public:
  35   // A context menu should be shown, to be built using the context information
  36   // provided in the supplied params.
  37   virtual void ShowContextMenu(const ContextMenuParams& params,
  38                                ContextMenuSourceType type) {}
  39
  40   // Shows a popup menu with the specified items.
  41   // This method should call RenderViewHost::DidSelectPopupMenuItem[s]() or
  42   // RenderViewHost::DidCancelPopupMenu() based on the user action.
  43   virtual void ShowPopupMenu(const gfx::Rect& bounds,
  44                              int item_height,
  45                              double item_font_size,
  46                              int selected_item,
  47                              const std::vector<WebMenuItem>& items,
  48                              bool right_aligned,
  49                              bool allow_multiple_selection) = 0;
  50
  51   // The user started dragging content of the specified type within the
  52   // RenderView. Contextual information about the dragged content is supplied
  53   // by WebDropData.
  54   virtual void StartDragging(const WebDropData& drop_data,
  55                              WebKit::WebDragOperationsMask allowed_ops,
  56                              const gfx::ImageSkia& image,
  57                              const gfx::Vector2d& image_offset,
  58                              const DragEventSourceInfo& event_info) {}
  59
  60   // The page wants to update the mouse cursor during a drag & drop operation.
  61   // |operation| describes the current operation (none, move, copy, link.)
  62   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) {}
  63
  64   // Notification that view for this delegate got the focus.
  65   virtual void GotFocus() {}
  66
  67   // Callback to inform the browser that the page is returning the focus to
  68   // the browser's chrome. If reverse is true, it means the focus was
  69   // retrieved by doing a Shift-Tab.
  70   virtual void TakeFocus(bool reverse) {}
  71
  72  protected:
  73   virtual ~RenderViewHostDelegateView() {}
  74 };
  75
  76 }  // namespace content
  77
  78 #endif  // CONTENT_PORT_BROWSER_RENDER_VIEW_HOST_DELEGATE_VIEW_H_