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// 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.
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/threading/thread_checker.h"
#include "components/bubble/bubble_close_reason.h"
class BubbleDelegate;
class BubbleManager;
class BubbleUi;
// BubbleController is responsible for the lifetime of the delegate and its UI.
class BubbleController : public base::SupportsWeakPtr<BubbleController> {
explicit BubbleController(BubbleManager* manager,
scoped_ptr<BubbleDelegate> delegate);
virtual ~BubbleController();
// Calls CloseBubble on the associated BubbleManager.
bool CloseBubble(BubbleCloseReason reason);
// Calls UpdateBubbleUi on the associated BubbleManager.
// Returns true if the UI was updated.
bool UpdateBubbleUi();
// Used to identify a bubble for collecting metrics.
std::string GetName() const;
// Used for collecting metrics.
base::TimeDelta GetVisibleTime() const;
friend class BubbleManager;
// Creates and shows the UI for the delegate.
void Show();
// Notifies the bubble UI that it should update its anchor location.
// Important when there's a UI change (ex: fullscreen transition).
void UpdateAnchorPosition();
// Returns true if the bubble should be closed.
bool ShouldClose(BubbleCloseReason reason) const;
// Cleans up the delegate and its UI.
void DoClose();
BubbleManager* manager_;
scoped_ptr<BubbleDelegate> delegate_;
scoped_ptr<BubbleUi> bubble_ui_;
// Verify that functions that affect the UI are done on the same thread.
base::ThreadChecker thread_checker_;
// To keep track of the amount of time a bubble was visible.
base::TimeTicks show_time_;