Make the virtual keyboard show up on the display with input focus.

ui/keyboard/keyboard_controller.h

 // Copyright (c) 2013 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_KEYBOARD_KEYBOARD_CONTROLLER_H_
 #define UI_KEYBOARD_KEYBOARD_CONTROLLER_H_
 
 #include <memory>
 
 #include "base/event_types.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/ime/input_method_observer.h"
 #include "ui/base/ime/text_input_type.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/keyboard/keyboard_export.h"
+#include "ui/keyboard/keyboard_layout_delegate.h"
 
 namespace aura {
 class Window;
 }
 namespace ui {
 class InputMethod;
 class TextInputClient;
 }
 
 namespace keyboard {
@@ skipping 23 matching lines @@
  public:
   // Different ways to hide the keyboard.
   enum HideReason {
     // System initiated.
     HIDE_REASON_AUTOMATIC,
     // User initiated.
     HIDE_REASON_MANUAL,
   };
 
   // Takes ownership of |ui|.
-  explicit KeyboardController(KeyboardUI* ui);
+  explicit KeyboardController(KeyboardUI* ui, KeyboardLayoutDelegate* delegate);
   ~KeyboardController() override;
 
   // Returns the container for the keyboard, which is owned by
   // KeyboardController.
   aura::Window* GetContainerWindow();
 
   // Whether the container window for the keyboard has been initialized.
   bool keyboard_container_initialized() const { return container_ != nullptr; }
 
   // Reloads the content of the keyboard. No-op if the keyboard content is not
   // loaded yet.
   void Reload();
 
   // Hides virtual keyboard and notifies observer bounds change.
   // This function should be called with a delay to avoid layout flicker
   // when the focus of input field quickly change. |automatic| is true when the
   // call is made by the system rather than initiated by the user.
   void HideKeyboard(HideReason reason);
 
   // Notifies the keyboard observer for keyboard bounds changed.
   void NotifyKeyboardBoundsChanging(const gfx::Rect& new_bounds);
 
   // Management of the observer list.
   virtual void AddObserver(KeyboardControllerObserver* observer);
   virtual void RemoveObserver(KeyboardControllerObserver* observer);
 
   KeyboardUI* ui() { return ui_.get(); }
 
-  void set_lock_keyboard(bool lock) { lock_keyboard_ = lock; }
+  void set_keyboard_locked(bool lock) { keyboard_locked_ = lock; }
 
-  bool get_lock_keyboard() const { return lock_keyboard_; }
+  bool keyboard_locked() const { return keyboard_locked_; }
 
   KeyboardMode keyboard_mode() const { return keyboard_mode_; }
 
   void SetKeyboardMode(KeyboardMode mode);
 
   // Force the keyboard to show up if not showing and lock the keyboard if
   // |lock| is true.
   void ShowKeyboard(bool lock);
 
+  // Force the keyboard to show up in the specific display if not showing and
+  // lock the keyboard
+  void ShowKeyboardInDisplay(const int64_t display_id);
+
   // Sets the active keyboard controller. KeyboardController takes ownership of
   // the instance. Calling ResetIntance with a new instance destroys the
   // previous one. May be called with NULL to clear the instance.
   static void ResetInstance(KeyboardController* controller);
 
   // Retrieve the active keyboard controller.
   static KeyboardController* GetInstance();
 
   // Returns true if keyboard is currently visible.
   bool keyboard_visible() { return keyboard_visible_; }
@@ skipping 22 matching lines @@
   // InputMethodObserver overrides
   void OnTextInputTypeChanged(const ui::TextInputClient* client) override {}
   void OnFocus() override {}
   void OnBlur() override {}
   void OnCaretBoundsChanged(const ui::TextInputClient* client) override {}
   void OnTextInputStateChanged(const ui::TextInputClient* client) override;
   void OnInputMethodDestroyed(const ui::InputMethod* input_method) override;
   void OnShowImeIfNeeded() override;
 
   // Show virtual keyboard immediately with animation.
-  void ShowKeyboardInternal();
+  void ShowKeyboardInternal(int64_t display_id);
 
   // Returns true if keyboard is scheduled to hide.
   bool WillHideKeyboard() const;
 
   // Called when show and hide animation finished successfully. If the animation
   // is aborted, it won't be called.
   void ShowAnimationFinished();
   void HideAnimationFinished();
 
   std::unique_ptr<KeyboardUI> ui_;
+  KeyboardLayoutDelegate* layout_delegate_;
   std::unique_ptr<aura::Window> container_;
   // CallbackAnimationObserver should destructed before container_ because it
   // uses container_'s animator.
   std::unique_ptr<CallbackAnimationObserver> animation_observer_;
 
   ui::InputMethod* input_method_;
   bool keyboard_visible_;
   bool show_on_resize_;
-  bool lock_keyboard_;
+  // If true, the keyboard is always visible even if no window has input focus.
+  bool keyboard_locked_;
   KeyboardMode keyboard_mode_;
   ui::TextInputType type_;
 
   base::ObserverList<KeyboardControllerObserver> observer_list_;
 
   // The currently used keyboard position.
   gfx::Rect current_keyboard_bounds_;
 
   static KeyboardController* instance_;
 
   base::WeakPtrFactory<KeyboardController> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(KeyboardController);
 };
 
 }  // namespace keyboard
 
 #endif  // UI_KEYBOARD_KEYBOARD_CONTROLLER_H_