Bye bye Mandoline

components/web_view/find_controller.h

-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_WEB_VIEW_FIND_CONTROLLER_H_
-#define COMPONENTS_WEB_VIEW_FIND_CONTROLLER_H_
-
-#include <stdint.h>
-
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "components/web_view/local_find_options.h"
-#include "components/web_view/public/interfaces/web_view.mojom.h"
-
-namespace web_view {
-
-class FindControllerDelegate;
-class Frame;
-
-// Contains all the find code used by WebViewImpl.
-class FindController {
- public:
-  FindController(FindControllerDelegate* delegate);
-  ~FindController();
-
-  // Starts a find session looking for |search_text|. This method will first
-  // scan through frames one by one to look for the first instance of
-  // |search_text|, and return the data through
-  // OnFindInPageSelectionUpdated(). If found, it will highlight all instances
-  // of the text and report the final total count through
-  // FindInPageMatchCountUpdated().
-  void Find(const std::string& search_text, bool forward_direction);
-
-  // Unhighlights all find instances on the page.
-  void StopFinding();
-
-  void OnFindInFrameCountUpdated(int32_t request_id,
-                                 Frame* frame,
-                                 int32_t count,
-                                 bool final_update);
-  void OnFindInPageSelectionUpdated(int32_t request_id,
-                                    Frame* frame,
-                                    int32_t active_match_ordinal);
-
-  void DidDestroyFrame(Frame* frame);
-
- private:
-  struct MatchData {
-    int count;
-    bool final_update;
-  };
-
-  // Callback method invoked by Find().
-  void OnContinueFinding(int32_t request_id,
-                         const std::string& search_string,
-                         LocalFindOptions options,
-                         uint32_t starting_frame,
-                         uint32_t current_frame,
-                         bool found);
-
-  // Returns the next Frame that we want to Find() on. This method will start
-  // iterating, forward or backwards, from current_frame, and will return
-  // nullptr once it has gone entirely around the framelist and has returned to
-  // starting_frame. If |current_frame| doesn't exist, returns nullptr to
-  // terminate the search process.
-  Frame* GetNextFrameToSearch(uint32_t starting_frame,
-                              uint32_t current_frame,
-                              bool forward);
-
-  // Returns an iterator into |find_frames_in_order_|. Implementation detail of
-  // GetNextFrameToSearch().
-  std::vector<Frame*>::iterator GetFrameIteratorById(uint32_t frame_id);
-
-  // Our owner.
-  FindControllerDelegate* delegate_;
-
-  // A list of Frames in traversal order to be searched.
-  std::vector<Frame*> find_frames_in_order_;
-
-  // Monotonically increasing find id.
-  int find_request_id_counter_;
-
-  // Current find session number. We keep track of this to prevent recording
-  // stale callbacks.
-  int current_find_request_id_;
-
-  // The current string we are/just finished searching for. This is used to
-  // figure out if this is a Find or a FindNext operation (FindNext should not
-  // increase the request id).
-  std::string find_text_;
-
-  // The string we searched for before |find_text_|.
-  std::string previous_find_text_;
-
-  // The current callback data from various frames.
-  std::map<Frame*, MatchData> returned_find_data_;
-
-  // We keep track of the current frame with the selection.
-  uint32_t frame_with_selection_;
-
-  base::WeakPtrFactory<FindController> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(FindController);
-};
-
-}  // namespace web_view
-
-#endif  // COMPONENTS_WEB_VIEW_FIND_CONTROLLER_H_