Reusing Ok/Cancel buttons for intent picker

chrome/browser/ui/views/intent_picker_bubble_view.h

 // Copyright 2016 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 CHROME_BROWSER_UI_VIEWS_INTENT_PICKER_BUBBLE_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_INTENT_PICKER_BUBBLE_VIEW_H_
 
 #include <memory>
+#include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "chrome/browser/chromeos/arc/arc_navigation_throttle.h"
+#include "chrome/browser/ui/browser_dialogs.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "ui/gfx/image/image.h"
 #include "ui/views/bubble/bubble_dialog_delegate.h"
 #include "ui/views/controls/button/button.h"
 
 namespace content {
 class WebContents;
 }  // namespace content
 
 namespace views {
 class Label;
 class LabelButton;
 class View;
 class Widget;
 }  // namespace views
 
 namespace ui {
 class Event;
 }  // namespace ui
 
+class IntentPickerLabelButton;
+
 // A bubble that displays a list of aplications (icons and names), after the
 // list we show a pair of buttons which allow the user to remember the selection
 // or not. This class comunicates the user's selection with a callback used by
 // ArcNavigationThrottle.
 //   +--------------------------------+
 //   | Open with                      |
 //   |                                |
 //   | Icon1  Name1                   |
 //   | Icon2  Name2                   |
 //   |  ...                           |
 //   | Icon(N) Name(N)                |
 //   |                                |
-//   |           [JUST ONCE] [ALWAYS] |
+//   |           [Just once] [Always] |
 //   +--------------------------------+
 
 class IntentPickerBubbleView : public views::BubbleDialogDelegateView,
                                public views::ButtonListener,
                                public content::WebContentsObserver {
  public:
-  using NameAndIcon = arc::ArcNavigationThrottle::NameAndIcon;
-  // This callback informs the index of the app selected by the user, along with
-  // the reason why the Bubble was closed. The size_t param must have a value in
-  // the range [0, app_info.size()-1], except when the CloseReason is ERROR or
-  // DIALOG_DEACTIVATED, for these cases we return a dummy value
-  // |kAppTagNoneSelected| which won't be used at all and has no significance.
-  using ThrottleCallback =
-      base::Callback<void(size_t, arc::ArcNavigationThrottle::CloseReason)>;
+  using AppInfo = arc::ArcNavigationThrottle::AppInfo;
 
   ~IntentPickerBubbleView() override;
   static void ShowBubble(content::WebContents* web_contents,
-                         const std::vector<NameAndIcon>& app_info,
-                         const ThrottleCallback& throttle_cb);
+                         const std::vector<AppInfo>& app_info,
+                         const IntentPickerResponse& intent_picker_cb);
   static std::unique_ptr<IntentPickerBubbleView> CreateBubbleView(
-      const std::vector<NameAndIcon>& app_info,
-      const ThrottleCallback& throttle_cb,
+      const std::vector<AppInfo>& app_info,
+      const IntentPickerResponse& intent_picker_cb,
       content::WebContents* web_contents);
 
+  // views::BubbleDialogDelegateView overrides:
+  bool Accept() override;
+  bool Cancel() override;
+  bool Close() override;
+
  protected:
   // views::BubbleDialogDelegateView overrides:
   void Init() override;
+  base::string16 GetWindowTitle() const override;
+  base::string16 GetDialogButtonLabel(ui::DialogButton button) const override;
 
  private:
   friend class IntentPickerBubbleViewTest;
   FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, NullIcons);
   FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, NonNullIcons);
   FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, LabelsPtrVectorSize);
-  IntentPickerBubbleView(const std::vector<NameAndIcon>& app_info,
-                         ThrottleCallback throttle_cb,
+  FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, VerifyStartingInkDrop);
+  FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, InkDropStateTransition);
+  FRIEND_TEST_ALL_PREFIXES(IntentPickerBubbleViewTest, PressButtonTwice);
+  IntentPickerBubbleView(const std::vector<AppInfo>& app_info,
+                         IntentPickerResponse intent_picker_cb,
                          content::WebContents* web_contents);
 
   // views::BubbleDialogDelegateView overrides:
   void OnWidgetDestroying(views::Widget* widget) override;
-  int GetDialogButtons() const override;
 
   // views::ButtonListener overrides:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::View overrides:
   gfx::Size GetPreferredSize() const override;
 
   // content::WebContentsObserver overrides:
   void WebContentsDestroyed() override;
 
-  // Retrieves the LabelButton* contained at position |index| from the internal
-  // ScrollView.
-  views::LabelButton* GetLabelButtonAt(size_t index);
-  void SetLabelButtonBackgroundColor(size_t index, SkColor color);
+  // Retrieves the IntentPickerLabelButton* contained at position |index| from
+  // the internal ScrollView.
+  IntentPickerLabelButton* GetIntentPickerLabelButtonAt(size_t index);
+  void RunCallback(std::string package,
+                   arc::ArcNavigationThrottle::CloseReason close_reason);
 
-  // Flag set to true iff the callback was Run at some previous step, used to
-  // ensure we only use the callback once.
-  bool was_callback_run_;
+  gfx::ImageSkia GetAppImageForTesting(size_t index);
+  views::InkDropState GetInkDropStateForTesting(size_t);
+  void PressButtonForTesting(size_t index, const ui::Event& event);
 
   // Callback used to respond to ArcNavigationThrottle.
-  ThrottleCallback throttle_cb_;
+  IntentPickerResponse intent_picker_cb_;
 
-  // Keeps a invalid value unless the user explicitly makes a decision.
-  size_t selected_app_tag_;
+  // Pre-select the first app on the list.
+  size_t selected_app_tag_ = 0;
 
-  views::LabelButton* always_button_;
-  views::LabelButton* just_once_button_;
   views::ScrollView* scroll_view_;
 
-  std::vector<NameAndIcon> app_info_;
+  std::vector<AppInfo> app_info_;
 
   DISALLOW_COPY_AND_ASSIGN(IntentPickerBubbleView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_INTENT_PICKER_BUBBLE_VIEW_H_