Tracking SelectionBounds for all RenderWidgets on the Browser Side (Aura Only)

content/public/test/text_input_test_utils.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 CONTENT_PUBLIC_TEST_TEXT_INPUT_TEST_UTILS_H_
 #define CONTENT_PUBLIC_TEST_TEXT_INPUT_TEST_UTILS_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 24 matching lines @@
 size_t GetRegisteredViewsCountFromTextInputManager(WebContents* web_contents);
 
 // Returns the RWHV corresponding to the frame with a focused <input> within the
 // given WebContents.
 RenderWidgetHostView* GetActiveViewFromWebContents(WebContents* web_contents);
 
 // This class provides the necessary API for accessing the state of and also
 // observing the TextInputManager for WebContents.
 class TextInputManagerTester {
  public:
-  using Callback = base::Callback<void(TextInputManagerTester*)>;
-
   TextInputManagerTester(WebContents* web_contents);
   virtual ~TextInputManagerTester();
 
   // Sets a callback which is invoked when a RWHV calls UpdateTextInputState
   // on the TextInputManager which is being observed.
-  void SetUpdateTextInputStateCalledCallback(const Callback& callback);
+  void SetUpdateTextInputStateCalledCallback(const base::Closure& callback);
+
+  // Sets a callback which is invoked when a RWHV calls SelectionBoundsChanged
+  // on the TextInputManager which is being observed.
+  void SetOnSelectionBoundsChangedCallback(const base::Closure& callback);
 
   // Returns true if there is a focused <input> and populates |type| with
   // |TextInputState.type| of the TextInputManager.
   bool GetTextInputType(ui::TextInputType* type);
 
   // Returns true if there is a focused <input> and populates |value| with
   // |TextInputState.value| of the TextInputManager.
   bool GetTextInputValue(std::string* value);
 
   // Returns the RenderWidgetHostView with a focused <input> element or nullptr
   // if none exists.
   const RenderWidgetHostView* GetActiveView();
 
-  // Returns the RenderWidgetHostView which has most recently called
-  // TextInputManager::UpdateTextInputState on the TextInputManager which is
-  // being observed.
+  // Returns the RenderWidgetHostView which has most recently updated any of its
+  // state (e.g., TextInputState or otherwise).
   const RenderWidgetHostView* GetUpdatedView();
 
   // Returns true if a call to TextInputManager::UpdateTextInputState has led
   // to a change in TextInputState (since the time the observer has been
   // created).
   bool IsTextInputStateChanged();
 
  private:
   // The actual internal observer of the TextInputManager.
   class InternalObserver;
@@ skipping 67 matching lines @@
       const base::Closure& callback) = 0;
   virtual void SetOnShowImeIfNeededCallback(const base::Closure& callback) = 0;
 
  protected:
   TestInputMethodObserver();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_TEST_TEXT_INPUT_TEST_UTILS_H_