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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_
#define CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_
#include <vector>
#include "base/component_export.h"
namespace gfx {
class Rect;
}
namespace chromeos {
class COMPONENT_EXPORT(CHROMEOS_UI_FRAME)
ImmersiveFullscreenControllerDelegate {
public:
// Called when a reveal of the top-of-window views starts.
virtual void OnImmersiveRevealStarted() = 0;
// Called when the top-of-window views have finished closing. This call
// implies a visible fraction of 0. SetVisibleFraction(0) may not be called
// prior to OnImmersiveRevealEnded().
virtual void OnImmersiveRevealEnded() = 0;
// Called as a result of enabling immersive fullscreen via SetEnabled().
virtual void OnImmersiveFullscreenEntered() = 0;
// Called as a result of disabling immersive fullscreen via SetEnabled().
virtual void OnImmersiveFullscreenExited() = 0;
// Called to update the fraction of the top-of-window views height which is
// visible.
virtual void SetVisibleFraction(double visible_fraction) = 0;
// Returns a list of rects whose union makes up the top-of-window views.
// The returned list is used for hittesting when the top-of-window views
// are revealed. GetVisibleBoundsInScreen() must return a valid value when
// not in immersive fullscreen for the sake of SetupForTest().
virtual std::vector<gfx::Rect> GetVisibleBoundsInScreen() const = 0;
// Re-layout the frame. Called when |EnableForWidget| is called
// but full state did not change.
virtual void Relayout() {}
protected:
virtual ~ImmersiveFullscreenControllerDelegate() {}
};
} // namespace chromeos
#endif // CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_
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