MacViews: Select all text on right clicking an unfocused text view.

ui/views/selection_controller.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 UI_VIEWS_SELECTION_CONTROLLER_H_
 #define UI_VIEWS_SELECTION_CONTROLLER_H_
 
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "ui/gfx/geometry/point.h"
@@ skipping 10 matching lines @@
 }
 
 namespace views {
 class SelectionControllerDelegate;
 
 // Helper class used to facilitate mouse event handling and text selection. To
 // use, clients must implement the SelectionControllerDelegate interface.
 // TODO(karandeepb): Also make this class handle gesture events.
 class VIEWS_EXPORT SelectionController {
  public:
+  // Describes whether the view managing the delegate was initially focused when
+  // the mouse press was received.
+  enum InitialFocusStateOnMousePress {
+    FOCUSED,
+    UNFOCUSED,
+  };
+
   // |delegate| must be non-null.
   explicit SelectionController(SelectionControllerDelegate* delegate);
 
   // Handle mouse events forwarded by |delegate_|. |handled| specifies whether
   // the event has already been handled by the |delegate_|. If |handled| is
   // true, the mouse event is just used to update the internal state without
   // updating the state of the associated RenderText instance.
-  bool OnMousePressed(const ui::MouseEvent& event, bool handled);
+  bool OnMousePressed(const ui::MouseEvent& event,
+                      bool handled,
+                      InitialFocusStateOnMousePress initial_focus_state);
   bool OnMouseDragged(const ui::MouseEvent& event);
   void OnMouseReleased(const ui::MouseEvent& event);
   void OnMouseCaptureLost();
 
   // Returns the latest click location.
   const gfx::Point& last_click_location() const { return last_click_location_; }
 
   // Sets whether the SelectionController should update or paste the
   // selection clipboard on middle-click. Default is false.
   void set_handles_selection_clipboard(bool value) {
     handles_selection_clipboard_ = value;
   }
 
  private:
   // Tracks the mouse clicks for single/double/triple clicks.
   void TrackMouseClicks(const ui::MouseEvent& event);
 
   // Selects the word at the given |point|.
   void SelectWord(const gfx::Point& point);
 
+  // Selects all the text.
+  void SelectAll();
+
   // Returns the associated render text instance via the |delegate_|.
   gfx::RenderText* GetRenderText();
 
   // Helper function to update the selection on a mouse drag as per
   // |last_drag_location_|. Can be called asynchronously, through a timer.
   void SelectThroughLastDragLocation();
 
   // A timer and point used to modify the selection when dragging.
   base::RepeatingTimer drag_selection_timer_;
   gfx::Point last_drag_location_;
@@ skipping 15 matching lines @@
 
   // Whether the selection clipboard is handled.
   bool handles_selection_clipboard_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectionController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_SELECTION_CONTROLLER_H_