mus: Implement Window Server Capture

components/mus/public/cpp/lib/in_flight_change.h

 // Copyright 2015 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 COMPONENTS_MUS_PUBLIC_CPP_LIB_IN_FLIGHT_CHANGE_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_IN_FLIGHT_CHANGE_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 17 matching lines @@
 enum class ChangeType {
   ADD_CHILD,
   ADD_TRANSIENT_WINDOW,
   BOUNDS,
   DELETE_WINDOW,
   FOCUS,
   NEW_WINDOW,
   NEW_TOP_LEVEL_WINDOW,
   PREDEFINED_CURSOR,
   PROPERTY,
+  RELEASE_CAPTURE,
   REMOVE_CHILD,
   REMOVE_TRANSIENT_WINDOW_FROM_PARENT,
   REORDER,
+  SET_CAPTURE,
   VISIBLE,
 };
 
 // InFlightChange is used to track function calls to the server and take the
 // appropriate action when the call fails, or the same property changes while
 // waiting for the response. When a function is called on the server an
 // InFlightChange is created. The function call is complete when
 // OnChangeCompleted() is received from the server. The following may occur
 // while waiting for a response:
 // . A new value is encountered from the server. For example, the bounds of
@@ skipping 97 matching lines @@
 
   // InFlightChange:
   void SetRevertValueFrom(const InFlightChange& change) override;
   void ChangeFailed() override;
   void Revert() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(CrashInFlightChange);
 };
 
+class InFlightCaptureChange : public InFlightChange {
+ public:
+  InFlightCaptureChange(Window* window, bool revert_value);
+  ~InFlightCaptureChange() override;
+
+  // InFlightChange:
+  void SetRevertValueFrom(const InFlightChange& change) override;
+  void Revert() override;
+
+ private:
+  bool revert_value_;
+
+  DISALLOW_COPY_AND_ASSIGN(InFlightCaptureChange);
+};
+
 // Focus is really a property of the WindowTreeConnection and not the Window.
 // As such, InFlightFocusChange is special in that it is not associated with
 // a particular window (InFlightFocusChange::window() returns null). Internally
 // InFlightFocusChange tracks a window to give focus to, but it may be null.
 class InFlightFocusChange : public InFlightChange, public WindowObserver {
  public:
   InFlightFocusChange(WindowTreeClientImpl* connection, Window* revert_window);
   ~InFlightFocusChange() override;
 
   // InFlightChange:
@@ skipping 56 matching lines @@
 
  private:
   bool revert_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(InFlightVisibleChange);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_IN_FLIGHT_CHANGE_H_