ui/app_list/views/search_result_view.h

// Copyright (c) 2012 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 UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_
#define UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_

#include <stddef.h>

#include <memory>
#include <string>
#include <vector>

#include "base/compiler_specific.h"
#include "base/macros.h"
#include "base/strings/string16.h"
#include "ui/app_list/search_result_observer.h"
#include "ui/app_list/views/search_result_actions_view_delegate.h"
#include "ui/views/context_menu_controller.h"
#include "ui/views/controls/button/custom_button.h"

namespace gfx {
class RenderText;
}

namespace views {
class ImageView;
class MenuRunner;
class ProgressBar;
}

namespace app_list {
namespace test {
class SearchResultListViewTest;
}  // namespace test

class SearchResult;
class SearchResultListView;
class SearchResultActionsView;

// SearchResultView displays a SearchResult.
class APP_LIST_EXPORT SearchResultView
    : public views::CustomButton,
      public views::ButtonListener,
      public views::ContextMenuController,
      public SearchResultObserver,
      NON_EXPORTED_BASE(public SearchResultActionsViewDelegate) {
 public:
  // Internal class name.
  static const char kViewClassName[];

  explicit SearchResultView(SearchResultListView* list_view);
  ~SearchResultView() override;

  // Sets/gets SearchResult displayed by this view.
  void SetResult(SearchResult* result);
  SearchResult* result() { return result_; }

  // Clears reference to SearchResult but don't schedule repaint.
  void ClearResultNoRepaint();

  // Clears the selected action.
  void ClearSelectedAction();

  // Computes the button's spoken feedback name.
  base::string16 ComputeAccessibleName() const;

  void set_is_last_result(bool is_last) { is_last_result_ = is_last; }

 private:
  friend class app_list::test::SearchResultListViewTest;

  void UpdateTitleText();
  void UpdateDetailsText();
  void UpdateAccessibleName();

  // views::View overrides:
  const char* GetClassName() const override;
  gfx::Size GetPreferredSize() const override;
  void Layout() override;
  bool OnKeyPressed(const ui::KeyEvent& event) override;
  void ChildPreferredSizeChanged(views::View* child) override;
  void OnPaint(gfx::Canvas* canvas) override;

  // views::ButtonListener overrides:
  void ButtonPressed(views::Button* sender, const ui::Event& event) override;

  // views::ContextMenuController overrides:
  void ShowContextMenuForView(views::View* source,
                              const gfx::Point& point,
                              ui::MenuSourceType source_type) override;

  // SearchResultObserver overrides:
  void OnIconChanged() override;
  void OnBadgeIconChanged() override;
  void OnActionsChanged() override;
  void OnIsInstallingChanged() override;
  void OnPercentDownloadedChanged() override;
  void OnItemInstalled() override;

  void SetIconImage(const gfx::ImageSkia& source,
                    views::ImageView* const icon,
                    const int icon_dimension);

  // SearchResultActionsViewDelegate overrides:
  void OnSearchResultActionActivated(size_t index, int event_flags) override;

  SearchResult* result_;  // Owned by AppListModel::SearchResults.

  bool is_last_result_;

  // Parent list view. Owned by views hierarchy.
  SearchResultListView* list_view_;

  views::ImageView* icon_;  // Owned by views hierarchy.
  views::ImageView* badge_icon_;  // Owned by views hierarchy.
  std::unique_ptr<gfx::RenderText> title_text_;
  std::unique_ptr<gfx::RenderText> details_text_;
  SearchResultActionsView* actions_view_;  // Owned by the views hierarchy.
  views::ProgressBar* progress_bar_;       // Owned by views hierarchy.

  std::unique_ptr<views::MenuRunner> context_menu_runner_;

  DISALLOW_COPY_AND_ASSIGN(SearchResultView);
};

}  // namespace app_list

#endif  // UI_APP_LIST_VIEWS_SEARCH_RESULT_VIEW_H_