Views: Draw Textfield selected text in gray when top-level Widget loses focus.

ui/views/controls/textfield/textfield.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_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 11 matching lines @@
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/base/touch/touch_editing_controller.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/range/range.h"
 #include "ui/gfx/selection_model.h"
 #include "ui/gfx/text_constants.h"
 #include "ui/views/context_menu_controller.h"
 #include "ui/views/controls/textfield/textfield_model.h"
 #include "ui/views/drag_controller.h"
+#include "ui/views/focus/focus_manager.h"
 #include "ui/views/view.h"
 #include "ui/views/word_lookup_client.h"
 
 namespace views {
 
 class MenuRunner;
 class Painter;
 class TextfieldController;
 
 // A views/skia textfield implementation. No platform-specific code is used.
 class VIEWS_EXPORT Textfield : public View,
                                public TextfieldModel::Delegate,
                                public ContextMenuController,
                                public DragController,
+                               public FocusChangeListener,
                                public WordLookupClient,
                                public ui::TouchEditable,
                                public ui::TextInputClient {
  public:
   // The textfield's class name.
   static const char kViewClassName[];
 
   // The preferred size of the padding to be used around textfield text.
   static const int kTextPadding;
 
@@ skipping 74 matching lines @@
   void SetSelectionTextColor(SkColor color);
   void UseDefaultSelectionTextColor();
 
   // Gets/sets the selection background color to be used when painting the
   // Textfield. Call UseDefaultSelectionBackgroundColor() to restore the default
   // system color.
   SkColor GetSelectionBackgroundColor() const;
   void SetSelectionBackgroundColor(SkColor color);
   void UseDefaultSelectionBackgroundColor();
 
+  // Gets the selection background color for use when the Textfield was the last
+  // to be focused in a widget.
+  SkColor GetUnfocusedSelectionBackgroundColor() const;
+
   // Set drop shadows underneath the text.
   void SetShadows(const gfx::ShadowValues& shadows);
 
   // Gets/Sets whether or not the cursor is enabled.
   bool GetCursorEnabled() const;
   void SetCursorEnabled(bool enabled);
 
   // Gets/Sets the fonts used when rendering the text within the Textfield.
   const gfx::FontList& GetFontList() const;
   void SetFontList(const gfx::FontList& font_list);
@@ skipping 52 matching lines @@
 
   // Clears Edit history.
   void ClearEditHistory();
 
   // Set the accessible name of the text field.
   void SetAccessibleName(const base::string16& name);
 
   // Returns whether there is a drag operation originating from the textfield.
   bool HasTextBeingDragged();
 
-  // View overrides:
+  // View:

[tapted, 2016/10/13 06:21:35]

there's a lot of this style still around - usually I just go with what's
consistent in the file already. If we want to change a bunch at once, we should
do a CL just with the comment changes.

[Patti Lor, 2016/10/24 02:43:17]

Reverted in both the .h and .cc :)

   gfx::Insets GetInsets() const override;
   int GetBaseline() const override;
   gfx::Size GetPreferredSize() const override;
   const char* GetClassName() const override;
   void SetBorder(std::unique_ptr<Border> b) override;
   gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
   bool OnMousePressed(const ui::MouseEvent& event) override;
   bool OnMouseDragged(const ui::MouseEvent& event) override;
   void OnMouseReleased(const ui::MouseEvent& event) override;
   WordLookupClient* GetWordLookupClient() override;
   void OnGestureEvent(ui::GestureEvent* event) override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
   bool CanHandleAccelerators() const override;
   void AboutToRequestFocusFromTabTraversal(bool reverse) override;
   bool SkipDefaultKeyEventProcessing(const ui::KeyEvent& event) override;
   bool GetDropFormats(
       int* formats,
       std::set<ui::Clipboard::FormatType>* format_types) override;
   bool CanDrop(const ui::OSExchangeData& data) override;
   int OnDragUpdated(const ui::DropTargetEvent& event) override;
   void OnDragExited() override;
   int OnPerformDrop(const ui::DropTargetEvent& event) override;
   void OnDragDone() override;
   void GetAccessibleState(ui::AXViewState* state) override;
   void OnBoundsChanged(const gfx::Rect& previous_bounds) override;
   bool GetNeedsNotificationWhenVisibleBoundsChange() const override;
   void OnVisibleBoundsChanged() override;
   void OnEnabledChanged() override;
+  void ViewHierarchyChanged(
+      const ViewHierarchyChangedDetails& details) override;
   void OnPaint(gfx::Canvas* canvas) override;
   void OnFocus() override;
   void OnBlur() override;
   gfx::Point GetKeyboardContextMenuLocation() override;
   void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
 
-  // TextfieldModel::Delegate overrides:
+  // TextfieldModel::Delegate:
   void OnCompositionTextConfirmedOrCleared() override;
 
-  // ContextMenuController overrides:
+  // ContextMenuController:
   void ShowContextMenuForView(View* source,
                               const gfx::Point& point,
                               ui::MenuSourceType source_type) override;
 
-  // DragController overrides:
+  // DragController:
   void WriteDragDataForView(View* sender,
                             const gfx::Point& press_pt,
                             ui::OSExchangeData* data) override;
   int GetDragOperationsForView(View* sender, const gfx::Point& p) override;
   bool CanStartDragForView(View* sender,
                            const gfx::Point& press_pt,
                            const gfx::Point& p) override;
 
-  // WordLookupClient overrides:
+  // FocusChangeListener:
+  void OnWillChangeFocus(View* focused_before, View* focused_now) override;
+  void OnDidChangeFocus(View* focused_before, View* focused_now) override;
+
+  // WordLookupClient:
   bool GetDecoratedWordAtPoint(const gfx::Point& point,
                                gfx::DecoratedText* decorated_word,
                                gfx::Point* baseline_point) override;
 
-  // ui::TouchEditable overrides:
+  // ui::TouchEditable:
   void SelectRect(const gfx::Point& start, const gfx::Point& end) override;
   void MoveCaretTo(const gfx::Point& point) override;
   void GetSelectionEndPoints(gfx::SelectionBound* anchor,
                              gfx::SelectionBound* focus) override;
   gfx::Rect GetBounds() override;
   gfx::NativeView GetNativeView() const override;
   void ConvertPointToScreen(gfx::Point* point) override;
   void ConvertPointFromScreen(gfx::Point* point) override;
   bool DrawsHandles() override;
   void OpenContextMenu(const gfx::Point& anchor) override;
   void DestroyTouchSelection() override;
 
-  // ui::SimpleMenuModel::Delegate overrides:
+  // ui::SimpleMenuModel::Delegate:
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdEnabled(int command_id) const override;
   bool GetAcceleratorForCommandId(int command_id,
                                   ui::Accelerator* accelerator) const override;
   void ExecuteCommand(int command_id, int event_flags) override;
 
-  // ui::TextInputClient overrides:
+  // ui::TextInputClient:
   void SetCompositionText(const ui::CompositionText& composition) override;
   void ConfirmCompositionText() override;
   void ClearCompositionText() override;
   void InsertText(const base::string16& text) override;
   void InsertChar(const ui::KeyEvent& event) override;
   ui::TextInputType GetTextInputType() const override;
   ui::TextInputMode GetTextInputMode() const override;
   base::i18n::TextDirection GetTextDirection() const override;
   int GetTextInputFlags() const override;
   bool CanComposeInline() const override;
@@ skipping 27 matching lines @@
 
   // Get the text from the selection clipboard.
   virtual base::string16 GetSelectionClipboardText() const;
 
   // Executes the given |command|.
   virtual void ExecuteTextEditCommand(ui::TextEditCommand command);
 
  private:
   friend class TextfieldTestApi;
 
-  // View overrides:
+  // View:
   // Declared final since overriding by subclasses would interfere with the
   // accounting related to the scheduled text edit command. Subclasses should
   // use TextfieldController::HandleKeyEvent, to intercept the key event.
   bool OnKeyPressed(const ui::KeyEvent& event) final;
   bool OnKeyReleased(const ui::KeyEvent& event) final;
 
   // Handles a request to change the value of this text field from software
   // using an accessibility API (typically automation software, screen readers
   // don't normally use this). Sets the value and clears the selection.
   void AccessibilitySetValue(const base::string16& new_value);
@@ skipping 102 matching lines @@
   // what overriding color values should be used instead.
   bool use_default_text_color_;
   bool use_default_background_color_;
   bool use_default_selection_text_color_;
   bool use_default_selection_background_color_;
   SkColor text_color_;
   SkColor background_color_;
   SkColor selection_text_color_;
   SkColor selection_background_color_;
 
+  // Whether to start drawing the text selection in gray due to the Widget
+  // losing focus.
+  bool change_selection_background_color_on_next_blur_;
+
   // Text to display when empty.
   base::string16 placeholder_text_;
 
   // Placeholder text color.
   // TODO(estade): remove this when Harmony/MD is default.
   SkColor placeholder_text_color_;
 
   // The accessible name of the text field.
   base::string16 accessible_name_;
 
@@ skipping 54 matching lines @@
 
   // Used to bind callback functions to this object.
   base::WeakPtrFactory<Textfield> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_