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      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_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_
      6 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_
      7 
      8 #include <vector>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "content/common/content_export.h"
     12 #include "content/common/drag_event_source_info.h"
     13 #include "content/port/browser/render_view_host_delegate_view.h"
     14 #include "content/port/browser/web_contents_view_port.h"
     15 
     16 namespace content {
     17 
     18 class WebContents;
     19 class WebContentsImpl;
     20 class BrowserPluginGuest;
     21 
     22 class CONTENT_EXPORT WebContentsViewGuest
     23     : public WebContentsViewPort,
     24       public RenderViewHostDelegateView {
     25  public:
     26   // The corresponding WebContentsImpl is passed in the constructor, and manages
     27   // our lifetime. This doesn't need to be the case, but is this way currently
     28   // because that's what was easiest when they were split.
     29   // WebContentsViewGuest always has a backing platform dependent view,
     30   // |platform_view|.
     31   WebContentsViewGuest(WebContentsImpl* web_contents,
     32                        BrowserPluginGuest* guest,
     33                        scoped_ptr<WebContentsViewPort> platform_view,
     34                        RenderViewHostDelegateView* platform_view_delegate_view);
     35   virtual ~WebContentsViewGuest();
     36 
     37   WebContents* web_contents();
     38 
     39   void OnGuestInitialized(WebContentsView* parent_view);
     40 
     41   // WebContentsView implementation --------------------------------------------
     42 
     43   virtual gfx::NativeView GetNativeView() const OVERRIDE;
     44   virtual gfx::NativeView GetContentNativeView() const OVERRIDE;
     45   virtual gfx::NativeWindow GetTopLevelNativeWindow() const OVERRIDE;
     46   virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE;
     47   virtual void OnTabCrashed(base::TerminationStatus status,
     48                             int error_code) OVERRIDE;
     49   virtual void SizeContents(const gfx::Size& size) OVERRIDE;
     50   virtual void Focus() OVERRIDE;
     51   virtual void SetInitialFocus() OVERRIDE;
     52   virtual void StoreFocus() OVERRIDE;
     53   virtual void RestoreFocus() OVERRIDE;
     54   virtual DropData* GetDropData() const OVERRIDE;
     55   virtual gfx::Rect GetViewBounds() const OVERRIDE;
     56 #if defined(OS_MACOSX)
     57   virtual void SetAllowOverlappingViews(bool overlapping) OVERRIDE;
     58   virtual bool GetAllowOverlappingViews() const OVERRIDE;
     59 #endif
     60 
     61   // WebContentsViewPort implementation ----------------------------------------
     62   virtual void CreateView(const gfx::Size& initial_size,
     63                           gfx::NativeView context) OVERRIDE;
     64   virtual RenderWidgetHostView* CreateViewForWidget(
     65       RenderWidgetHost* render_widget_host) OVERRIDE;
     66   virtual RenderWidgetHostView* CreateViewForPopupWidget(
     67       RenderWidgetHost* render_widget_host) OVERRIDE;
     68   virtual void SetPageTitle(const string16& title) OVERRIDE;
     69   virtual void RenderViewCreated(RenderViewHost* host) OVERRIDE;
     70   virtual void RenderViewSwappedIn(RenderViewHost* host) OVERRIDE;
     71   virtual void SetOverscrollControllerEnabled(bool enabled) OVERRIDE;
     72 #if defined(OS_MACOSX)
     73   virtual bool IsEventTracking() const OVERRIDE;
     74   virtual void CloseTabAfterEventTracking() OVERRIDE;
     75 #endif
     76 
     77   // Backend implementation of RenderViewHostDelegateView.
     78   virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE;
     79   virtual void ShowPopupMenu(const gfx::Rect& bounds,
     80                              int item_height,
     81                              double item_font_size,
     82                              int selected_item,
     83                              const std::vector<MenuItem>& items,
     84                              bool right_aligned,
     85                              bool allow_multiple_selection) OVERRIDE;
     86   virtual void StartDragging(const DropData& drop_data,
     87                              WebKit::WebDragOperationsMask allowed_ops,
     88                              const gfx::ImageSkia& image,
     89                              const gfx::Vector2d& image_offset,
     90                              const DragEventSourceInfo& event_info) OVERRIDE;
     91   virtual void UpdateDragCursor(WebKit::WebDragOperation operation) OVERRIDE;
     92   virtual void GotFocus() OVERRIDE;
     93   virtual void TakeFocus(bool reverse) OVERRIDE;
     94 
     95  private:
     96   // The WebContentsImpl whose contents we display.
     97   WebContentsImpl* web_contents_;
     98   BrowserPluginGuest* guest_;
     99   // The platform dependent view backing this WebContentsView.
    100   // Calls to this WebContentsViewGuest are forwarded to |platform_view_|.
    101   scoped_ptr<WebContentsViewPort> platform_view_;
    102   gfx::Size size_;
    103 
    104   // Delegate view for guest's platform view.
    105   RenderViewHostDelegateView* platform_view_delegate_view_;
    106 
    107   DISALLOW_COPY_AND_ASSIGN(WebContentsViewGuest);
    108 };
    109 
    110 }  // namespace content
    111 
    112 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_VIEW_GUEST_H_
    113