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// Copyright (c) 2012 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 CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_BUBBLE_H_
#define CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_BUBBLE_H_
#include "base/timer/timer.h"
#include "chrome/browser/ui/exclusive_access/exclusive_access_bubble_type.h"
#include "ui/gfx/animation/animation_delegate.h"
#include "ui/gfx/geometry/point.h"
#include "url/gurl.h"
class Browser;
namespace gfx {
class Rect;
}
// Bubble that informs the user when an exclusive access state is in effect and
// as to how to exit out of the state. Currently there are two exclusive access
// state, namely fullscreen and mouse lock.
class ExclusiveAccessBubble : public gfx::AnimationDelegate {
public:
explicit ExclusiveAccessBubble(Browser* browser,
const GURL& url,
ExclusiveAccessBubbleType bubble_type);
~ExclusiveAccessBubble() override;
protected:
static const int kPaddingPx; // Amount of padding around the link
static const int kInitialDelayMs; // Initial time bubble remains onscreen
static const int kIdleTimeMs; // Time before mouse idle triggers hide
static const int kPositionCheckHz; // How fast to check the mouse position
static const int kSlideInRegionHeightPx;
// Height of region triggering
// slide-in
static const int kPopupTopPx; // Space between the popup and the top
// of the screen.
static const int kSlideInDurationMs; // Duration of slide-in animation
static const int kSlideOutDurationMs; // Duration of slide-out animation
// Returns the current desirable rect for the popup window. If
// |ignore_animation_state| is true this returns the rect assuming the popup
// is fully onscreen.
virtual gfx::Rect GetPopupRect(bool ignore_animation_state) const = 0;
virtual gfx::Point GetCursorScreenPoint() = 0;
virtual bool WindowContainsPoint(gfx::Point pos) = 0;
// Returns true if the window is active.
virtual bool IsWindowActive() = 0;
// Hides the bubble. This is a separate function so it can be called by a
// timer.
virtual void Hide() = 0;
// Shows the bubble.
virtual void Show() = 0;
virtual bool IsAnimating() = 0;
// True if the mouse position can trigger sliding in the exit fullscreen
// bubble when the bubble is hidden.
virtual bool CanMouseTriggerSlideIn() const = 0;
void StartWatchingMouse();
void StopWatchingMouse();
bool IsWatchingMouse() const;
// Called repeatedly to get the current mouse position and animate the bubble
// on or off the screen as appropriate.
void CheckMousePosition();
void ToggleFullscreen();
// Accepts the request. Can cause FullscreenExitBubble to be deleted.
void Accept();
// Denys the request. Can cause FullscreenExitBubble to be deleted.
void Cancel();
// The following strings may change according to the content type and URL.
base::string16 GetCurrentMessageText() const;
base::string16 GetCurrentDenyButtonText() const;
// The following strings never change.
base::string16 GetAllowButtonText() const;
base::string16 GetInstructionText() const;
// The browser this bubble is in.
Browser* browser_;
// The host the bubble is for, can be empty.
GURL url_;
// The type of the bubble; controls e.g. which buttons to show.
ExclusiveAccessBubbleType bubble_type_;
private:
// Timer to delay before allowing the bubble to hide after it's initially
// shown.
base::OneShotTimer<ExclusiveAccessBubble> initial_delay_;
// Timer to see how long the mouse has been idle.
base::OneShotTimer<ExclusiveAccessBubble> idle_timeout_;
// Timer to poll the current mouse position. We can't just listen for mouse
// events without putting a non-empty HWND onscreen (or hooking Windows, which
// has other problems), so instead we run a low-frequency poller to see if the
// user has moved in or out of our show/hide regions.
base::RepeatingTimer<ExclusiveAccessBubble> mouse_position_checker_;
// The most recently seen mouse position, in screen coordinates. Used to see
// if the mouse has moved since our last check.
gfx::Point last_mouse_pos_;
DISALLOW_COPY_AND_ASSIGN(ExclusiveAccessBubble);
};
#endif // CHROME_BROWSER_UI_EXCLUSIVE_ACCESS_EXCLUSIVE_ACCESS_BUBBLE_H_
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