chrome/browser/ui/webui/print_preview/print_preview_distiller.h

   1 // Copyright 2015 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_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_DISTILLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_DISTILLER_H_
   7
   8 #include "base/callback.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/values.h"
  12 #include "content/public/browser/web_contents_observer.h"
  13
  14 namespace net {
  15 class URLRequestContextGetter;
  16 }
  17
  18 // This class controls the rendering of the distilled contents
  19 // generated by a source web contents
  20 class PrintPreviewDistiller {
  21  public:
  22   PrintPreviewDistiller(content::WebContents* source_web_contents,
  23                         base::Closure on_failed_callback,
  24                         scoped_ptr<base::DictionaryValue> settings);
  25   ~PrintPreviewDistiller();
  26
  27  private:
  28   class WebContentsDelegateImpl;
  29
  30   // Create the web contents with a default
  31   // size. |session_storage_namespace| indicates the namespace that
  32   // the distiller content renderer's page should be part of.
  33   void CreateDestinationWebContents(
  34       content::SessionStorageNamespace* session_storage_namespace,
  35       content::WebContents* source_web_contents,
  36       scoped_ptr<base::DictionaryValue> settings,
  37       base::Closure on_failed_callback);
  38
  39   content::WebContents* CreateWebContents(
  40       content::SessionStorageNamespace* session_storage_namespace,
  41       content::WebContents* source_web_contents);
  42
  43   // The distilled rendered WebContents; may be null.
  44   scoped_ptr<content::WebContents> web_contents_;
  45
  46   scoped_ptr<WebContentsDelegateImpl> web_contents_delegate_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(PrintPreviewDistiller);
  49 };
  50
  51 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_DISTILLER_H_