Delete old (pre-MD) download shelf view code.

chrome/browser/ui/views/download/download_item_view_md.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.
-//
-// A view that implements one download on the Download shelf.
-// Each DownloadItemViewMd contains an application icon, a text label
-// indicating the download's file name, a text label indicating the
-// download's status (such as the number of bytes downloaded so far)
-// and a button for canceling an in progress download, or opening
-// the completed download.
-//
-// The DownloadItemViewMd lives in the Browser, and has a corresponding
-// DownloadController that receives / writes data which lives in the
-// Renderer.
-
-#ifndef CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_ITEM_VIEW_MD_H_
-#define CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_ITEM_VIEW_MD_H_
-
-#include <memory>
-#include <string>
-
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "base/strings/string_util.h"
-#include "base/task/cancelable_task_tracker.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "chrome/browser/download/download_item_model.h"
-#include "chrome/browser/icon_manager.h"
-#include "content/public/browser/download_item.h"
-#include "content/public/browser/download_manager.h"
-#include "ui/gfx/animation/animation_delegate.h"
-#include "ui/gfx/font_list.h"
-#include "ui/views/animation/ink_drop_host_view.h"
-#include "ui/views/context_menu_controller.h"
-#include "ui/views/controls/button/vector_icon_button_delegate.h"
-
-class DownloadShelfView;
-class DownloadShelfContextMenuView;
-
-namespace extensions {
-class ExperienceSamplingEvent;
-}
-
-namespace gfx {
-class Image;
-class ImageSkia;
-class SlideAnimation;
-}
-
-namespace ui {
-class ThemeProvider;
-}
-
-namespace views {
-class ImageButton;
-class Label;
-class LabelButton;
-}
-
-// The DownloadItemView in MD style. This is copied from DownloadItemView,
-// which it should eventually replace.
-class DownloadItemViewMd : public views::InkDropHostView,
-                           public views::VectorIconButtonDelegate,
-                           public views::ContextMenuController,
-                           public content::DownloadItem::Observer,
-                           public gfx::AnimationDelegate {
- public:
-  DownloadItemViewMd(content::DownloadItem* download,
-                     DownloadShelfView* parent);
-  ~DownloadItemViewMd() override;
-
-  // Timer callback for handling animations
-  void UpdateDownloadProgress();
-  void StartDownloadProgress();
-  void StopDownloadProgress();
-
-  // Returns the base color for text on this download item, based on |theme|.
-  static SkColor GetTextColorForThemeProvider(const ui::ThemeProvider* theme);
-
-  // IconManager::Client interface.
-  void OnExtractIconComplete(gfx::Image* icon);
-
-  // Returns the DownloadItem model object belonging to this item.
-  content::DownloadItem* download() { return model_.download(); }
-
-  // DownloadItem::Observer methods
-  void OnDownloadUpdated(content::DownloadItem* download) override;
-  void OnDownloadOpened(content::DownloadItem* download) override;
-  void OnDownloadDestroyed(content::DownloadItem* download) override;
-
-  // Overridden from views::View:
-  void Layout() override;
-  gfx::Size GetPreferredSize() const override;
-  bool OnMousePressed(const ui::MouseEvent& event) override;
-  bool OnMouseDragged(const ui::MouseEvent& event) override;
-  void OnMouseReleased(const ui::MouseEvent& event) override;
-  void OnMouseCaptureLost() override;
-  bool OnKeyPressed(const ui::KeyEvent& event) override;
-  bool GetTooltipText(const gfx::Point& p,
-                      base::string16* tooltip) const override;
-  void GetAccessibleState(ui::AXViewState* state) override;
-  void OnThemeChanged() override;
-
-  // Overridden from view::InkDropHostView:
-  void AddInkDropLayer(ui::Layer* ink_drop_layer) override;
-  std::unique_ptr<views::InkDropRipple> CreateInkDropRipple() const override;
-  std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
-      const override;
-
-  // Overridden from ui::EventHandler:
-  void OnGestureEvent(ui::GestureEvent* event) override;
-
-  // Overridden from views::ContextMenuController.
-  void ShowContextMenuForView(View* source,
-                              const gfx::Point& point,
-                              ui::MenuSourceType source_type) override;
-
-  // VectorIconButtonDelegate implementation.
-  void ButtonPressed(views::Button* sender, const ui::Event& event) override;
-  SkColor GetVectorIconBaseColor() const override;
-
-  // gfx::AnimationDelegate implementation.
-  void AnimationProgressed(const gfx::Animation* animation) override;
-
- protected:
-  // Overridden from views::View:
-  void OnPaint(gfx::Canvas* canvas) override;
-  void OnFocus() override;
-  void OnBlur() override;
-
- private:
-  enum State { NORMAL = 0, HOT, PUSHED };
-  class DropDownButton;
-
-  enum Mode {
-    NORMAL_MODE = 0,  // Showing download item.
-    DANGEROUS_MODE,   // Displaying the dangerous download warning.
-    MALICIOUS_MODE    // Displaying the malicious download warning.
-  };
-
-  void OpenDownload();
-
-  // Submits the downloaded file to the safebrowsing download feedback service.
-  // Returns whether submission was successful. On successful submission,
-  // |this| and the DownloadItem will have been deleted.
-  bool SubmitDownloadToFeedbackService();
-
-  // If the user has |enabled| uploading, calls SubmitDownloadToFeedbackService.
-  // Otherwise, it simply removes the DownloadItem without uploading.
-  void PossiblySubmitDownloadToFeedbackService(bool enabled);
-
-  // This function calculates the vertical coordinate to draw the file name text
-  // relative to local bounds.
-  int GetYForFilenameText() const;
-
-  // Painting of various download item bits.
-  void DrawStatusText(gfx::Canvas* canvas);
-  void DrawFilename(gfx::Canvas* canvas);
-  void DrawIcon(gfx::Canvas* canvas);
-
-  void LoadIcon();
-  void LoadIconIfItemPathChanged();
-
-  // Update the button colors based on the current theme.
-  void UpdateColorsFromTheme();
-
-  // Shows the context menu at the specified location. |point| is in the view's
-  // coordinate system.
-  void ShowContextMenuImpl(const gfx::Rect& rect,
-                           ui::MenuSourceType source_type);
-
-  // Common code for handling pointer events (i.e. mouse or gesture).
-  void HandlePressEvent(const ui::LocatedEvent& event, bool active_event);
-  void HandleClickEvent(const ui::LocatedEvent& event, bool active_event);
-
-  // Sets the state and triggers a repaint.
-  void SetDropdownState(State new_state);
-
-  // Whether we are in the dangerous mode.
-  bool IsShowingWarningDialog() const {
-    return mode_ == DANGEROUS_MODE || mode_ == MALICIOUS_MODE;
-  }
-
-  // Clears or shows the warning dialog as per the state of |model_|.
-  void ToggleWarningDialog();
-
-  // Reverts from dangerous mode to normal download mode.
-  void ClearWarningDialog();
-
-  // Start displaying the dangerous download warning or the malicious download
-  // warning.
-  void ShowWarningDialog();
-
-  // Returns the current warning icon (should only be called when the view is
-  // actually showing a warning).
-  gfx::ImageSkia GetWarningIcon();
-
-  // Sets |size| with the size of the Save and Discard buttons (they have the
-  // same size).
-  gfx::Size GetButtonSize() const;
-
-  // Sizes the dangerous download label to a minimum width available using 2
-  // lines.  The size is computed only the first time this method is invoked
-  // and simply returned on subsequent calls.
-  void SizeLabelToMinWidth();
-
-  // Reenables the item after it has been disabled when a user clicked it to
-  // open the downloaded file.
-  void Reenable();
-
-  // Releases drop down button after showing a context menu.
-  void ReleaseDropdown();
-
-  // Update the accessible name to reflect the current state of the control,
-  // so that screenreaders can access the filename, status text, and
-  // dangerous download warning message (if any).
-  void UpdateAccessibleName();
-
-  // Show/Hide/Reset |animation| based on the state transition specified by
-  // |from| and |to|.
-  void AnimateStateTransition(State from,
-                              State to,
-                              gfx::SlideAnimation* animation);
-
-  // Callback for |progress_timer_|.
-  void ProgressTimerFired();
-
-  // Returns the base text color.
-  SkColor GetTextColor() const;
-
-  // Returns a slightly dimmed version of the base text color.
-  SkColor GetDimmedTextColor() const;
-
-  // The download shelf that owns us.
-  DownloadShelfView* shelf_;
-
-  // Elements of our particular download
-  base::string16 status_text_;
-
-  // The font list used to print the file name and warning text.
-  gfx::FontList font_list_;
-
-  // The font list used to print the status text below the file name.
-  gfx::FontList status_font_list_;
-
-  // The tooltip.  Only displayed when not showing a warning dialog.
-  base::string16 tooltip_text_;
-
-  // The current state (normal, hot or pushed) of the body and drop-down.
-  State dropdown_state_;
-
-  // Mode of the download item view.
-  Mode mode_;
-
-  // When download progress last began animating (pausing and resuming will
-  // update this). Used for downloads of unknown size.
-  base::TimeTicks progress_start_time_;
-
-  // Keeps the amount of time spent already animating. Used to keep track of
-  // total active time for downloads of unknown size.
-  base::TimeDelta previous_progress_elapsed_;
-
-  // Whether we are dragging the download button.
-  bool dragging_;
-
-  // Whether we are tracking a possible drag.
-  bool starting_drag_;
-
-  // Position that a possible drag started at.
-  gfx::Point drag_start_point_;
-
-  // For canceling an in progress icon request.
-  base::CancelableTaskTracker cancelable_task_tracker_;
-
-  // A model class to control the status text we display.
-  DownloadItemModel model_;
-
-  // Animation for download complete.
-  std::unique_ptr<gfx::SlideAnimation> complete_animation_;
-
-  // Progress animation
-  base::RepeatingTimer progress_timer_;
-
-  // Dangerous mode buttons.
-  views::LabelButton* save_button_;
-  views::LabelButton* discard_button_;
-
-  // The drop down button.
-  DropDownButton* dropdown_button_;
-
-  // Dangerous mode label.
-  views::Label* dangerous_download_label_;
-
-  // Whether the dangerous mode label has been sized yet.
-  bool dangerous_download_label_sized_;
-
-  // Whether we are currently disabled as part of opening the downloaded file.
-  bool disabled_while_opening_;
-
-  // The time at which this view was created.
-  base::Time creation_time_;
-
-  // The time at which a dangerous download warning was displayed.
-  base::Time time_download_warning_shown_;
-
-  // The currently running download context menu.
-  std::unique_ptr<DownloadShelfContextMenuView> context_menu_;
-
-  // The name of this view as reported to assistive technology.
-  base::string16 accessible_name_;
-
-  // The icon loaded in the download shelf is based on the file path of the
-  // item.  Store the path used, so that we can detect a change in the path
-  // and reload the icon.
-  base::FilePath last_download_item_path_;
-
-  // ExperienceSampling: This tracks dangerous/malicious downloads warning UI
-  // and the user's decisions about it.
-  std::unique_ptr<extensions::ExperienceSamplingEvent> sampling_event_;
-
-  // Method factory used to delay reenabling of the item when opening the
-  // downloaded file.
-  base::WeakPtrFactory<DownloadItemViewMd> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DownloadItemViewMd);
-};
-
-#endif  // CHROME_BROWSER_UI_VIEWS_DOWNLOAD_DOWNLOAD_ITEM_VIEW_MD_H_