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// 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 CONTENT_BROWSER_RENDERER_HOST_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
#define CONTENT_BROWSER_RENDERER_HOST_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
namespace content {
// This class provides an interface for callbacks made by
// TapSuppressionController.
class TapSuppressionControllerClient {
public:
virtual ~TapSuppressionControllerClient() {}
// Derived classes should implement this function to return the maximum time
// they allow between a GestureFlingCancel and its corresponding tap down.
virtual int MaxCancelToDownTimeInMs() = 0;
// Derived classes should implement this function to return the maximum time
// they allow between a single tap's down and up events.
virtual int MaxTapGapTimeInMs() = 0;
// Called whenever the deferred tap down (if saved) should be dropped totally.
virtual void DropStashedTapDown() = 0;
// Called whenever the deferred tap down (if saved) should be forwarded to the
// renderer. In this case, the tap down should go back to normal path it was
// on before being deferred.
virtual void ForwardStashedTapDownForDeferral() = 0;
// Called whenever the deferred tap down (if saved) should be forwarded to the
// renderer. In this case, the tap down should skip deferral filter, because
// it is handled here, and there is no need to delay it more.
virtual void ForwardStashedTapDownSkipDeferral() = 0;
protected:
TapSuppressionControllerClient() {}
private:
DISALLOW_COPY_AND_ASSIGN(TapSuppressionControllerClient);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_TAP_SUPPRESSION_CONTROLLER_CLIENT_H_
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