content/port/browser/web_contents_view_port.h

   1 // Copyright (c) 2013 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_WEB_CONTENTS_VIEW_PORT_H_
   6 #define CONTENT_PORT_BROWSER_WEB_CONTENTS_VIEW_PORT_H_
   7
   8 #include "content/public/browser/web_contents_view.h"
   9
  10 namespace content {
  11 class RenderViewHost;
  12 class RenderWidgetHost;
  13 class RenderWidgetHostView;
  14
  15 // This is the larger WebContentsView interface exposed only within content/ and
  16 // to embedders looking to port to new platforms.
  17 class CONTENT_EXPORT WebContentsViewPort : public WebContentsView {
  18  public:
  19   virtual ~WebContentsViewPort() {}
  20
  21   virtual void CreateView(
  22       const gfx::Size& initial_size, gfx::NativeView context) = 0;
  23
  24   // Sets up the View that holds the rendered web page, receives messages for
  25   // it and contains page plugins. The host view should be sized to the current
  26   // size of the WebContents.
  27   virtual RenderWidgetHostView* CreateViewForWidget(
  28       RenderWidgetHost* render_widget_host) = 0;
  29
  30   // Creates a new View that holds a popup and receives messages for it.
  31   virtual RenderWidgetHostView* CreateViewForPopupWidget(
  32       RenderWidgetHost* render_widget_host) = 0;
  33
  34   // Sets the page title for the native widgets corresponding to the view. This
  35   // is not strictly necessary and isn't expected to be displayed anywhere, but
  36   // can aid certain debugging tools such as Spy++ on Windows where you are
  37   // trying to find a specific window.
  38   virtual void SetPageTitle(const base::string16& title) = 0;
  39
  40   // Invoked when the WebContents is notified that the RenderView has been
  41   // fully created.
  42   virtual void RenderViewCreated(RenderViewHost* host) = 0;
  43
  44   // Invoked when the WebContents is notified that the RenderView has been
  45   // swapped in.
  46   virtual void RenderViewSwappedIn(RenderViewHost* host) = 0;
  47
  48   // Invoked to enable/disable overscroll gesture navigation.
  49   virtual void SetOverscrollControllerEnabled(bool enabled) = 0;
  50
  51 #if defined(OS_MACOSX)
  52   // If we close the tab while a UI control is in an event-tracking
  53   // loop, the control may message freed objects and crash.
  54   // WebContents::Close() calls IsEventTracking(), and if it returns
  55   // true CloseTabAfterEventTracking() is called and the close is not
  56   // completed.
  57   virtual bool IsEventTracking() const = 0;
  58   virtual void CloseTabAfterEventTracking() = 0;
  59 #endif
  60 };
  61
  62 }  // namespace content
  63
  64 #endif  // CONTENT_PORT_BROWSER_WEB_CONTENTS_VIEW_PORT_H_