Home | History | Annotate | Download | only in input
      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
      7 
      8 namespace content {
      9 
     10 // This class provides an interface for callbacks made by
     11 // TapSuppressionController.
     12 class TapSuppressionControllerClient {
     13  public:
     14   virtual ~TapSuppressionControllerClient() {}
     15 
     16   // Derived classes should implement this function to return the maximum time
     17   // they allow between a GestureFlingCancel and its corresponding tap down.
     18   virtual int MaxCancelToDownTimeInMs() = 0;
     19 
     20   // Derived classes should implement this function to return the maximum time
     21   // they allow between a single tap's down and up events.
     22   virtual int MaxTapGapTimeInMs() = 0;
     23 
     24   // Called whenever the deferred tap down (if saved) should be dropped totally.
     25   virtual void DropStashedTapDown() = 0;
     26 
     27   // Called whenever the deferred tap down (if saved) should be forwarded to the
     28   // renderer. The tap down should go back to normal path it was
     29   // on before being deferred.
     30   virtual void ForwardStashedTapDown() = 0;
     31 
     32  protected:
     33   TapSuppressionControllerClient() {}
     34 
     35  private:
     36   DISALLOW_COPY_AND_ASSIGN(TapSuppressionControllerClient);
     37 };
     38 
     39 }  // namespace content
     40 
     41 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
     42