ios/chrome/browser/dom_distiller/distiller_viewer.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 IOS_CHROME_BROWSER_DOM_DISTILLER_DISTILLER_VIEWER_H_
   6 #define IOS_CHROME_BROWSER_DOM_DISTILLER_DISTILLER_VIEWER_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "components/dom_distiller/core/dom_distiller_request_view_base.h"
  12 #include "components/dom_distiller/core/task_tracker.h"
  13
  14 class GURL;
  15
  16 namespace ios {
  17 class ChromeBrowserState;
  18 }
  19
  20 namespace dom_distiller {
  21
  22 class DistilledPagePrefs;
  23
  24 // A very simple and naive implementation of the dom_distiller
  25 // ViewRequestDelegate: From an URL it builds an HTML string and notifies when
  26 // finished.
  27 class DistillerViewer : public DomDistillerRequestViewBase {
  28  public:
  29   typedef base::Callback<void(const GURL&, const std::string&)>
  30       DistillationFinishedCallback;
  31
  32   DistillerViewer(ios::ChromeBrowserState* browser_state,
  33                   const GURL& url,
  34                   const DistillationFinishedCallback& callback);
  35   ~DistillerViewer() override;
  36
  37   void OnArticleReady(
  38       const dom_distiller::DistilledArticleProto* article_proto) override;
  39
  40   void SendJavaScript(const std::string& buffer) override;
  41
  42  private:
  43   // The url of the distilled page.
  44   const GURL url_;
  45   // JavaScript buffer.
  46   std::string js_buffer_;
  47   // Callback to run once distillation is complete.
  48   const DistillationFinishedCallback callback_;
  49
  50   DISALLOW_COPY_AND_ASSIGN(DistillerViewer);
  51 };
  52
  53 }  // namespace dom_distiller
  54
  55 #endif  // IOS_CHROME_BROWSER_DOM_DISTILLER_DISTILLER_VIEWER_H_