chrome/browser/ui/fullscreen/fullscreen_exit_bubble.h

   1 // Copyright (c) 2012 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 CHROME_BROWSER_UI_FULLSCREEN_FULLSCREEN_EXIT_BUBBLE_H_
   6 #define CHROME_BROWSER_UI_FULLSCREEN_FULLSCREEN_EXIT_BUBBLE_H_
   7
   8 #include "base/timer/timer.h"
   9 #include "chrome/browser/ui/fullscreen/fullscreen_exit_bubble_type.h"
  10 #include "ui/gfx/animation/animation_delegate.h"
  11 #include "ui/gfx/point.h"
  12 #include "url/gurl.h"
  13
  14 class Browser;
  15
  16 namespace gfx {
  17 class Rect;
  18 }
  19
  20 class FullscreenExitBubble : public gfx::AnimationDelegate {
  21  public:
  22   explicit FullscreenExitBubble(Browser* browser,
  23                                 const GURL& url,
  24                                 FullscreenExitBubbleType bubble_type);
  25   ~FullscreenExitBubble() override;
  26
  27  protected:
  28   static const int kPaddingPx;           // Amount of padding around the link
  29   static const int kInitialDelayMs;      // Initial time bubble remains onscreen
  30   static const int kIdleTimeMs;          // Time before mouse idle triggers hide
  31   static const int kPositionCheckHz;     // How fast to check the mouse position
  32   static const int kSlideInRegionHeightPx;
  33                                          // Height of region triggering
  34                                          // slide-in
  35   static const int kPopupTopPx;          // Space between the popup and the top
  36                                          // of the screen.
  37   static const int kSlideInDurationMs;   // Duration of slide-in animation
  38   static const int kSlideOutDurationMs;  // Duration of slide-out animation
  39
  40   // Returns the current desirable rect for the popup window.  If
  41   // |ignore_animation_state| is true this returns the rect assuming the popup
  42   // is fully onscreen.
  43   virtual gfx::Rect GetPopupRect(bool ignore_animation_state) const = 0;
  44   virtual gfx::Point GetCursorScreenPoint() = 0;
  45   virtual bool WindowContainsPoint(gfx::Point pos) = 0;
  46
  47   // Returns true if the window is active.
  48   virtual bool IsWindowActive() = 0;
  49
  50   // Hides the bubble.  This is a separate function so it can be called by a
  51   // timer.
  52   virtual void Hide() = 0;
  53
  54   // Shows the bubble.
  55   virtual void Show() = 0;
  56
  57   virtual bool IsAnimating() = 0;
  58
  59   // True if the mouse position can trigger sliding in the exit fullscreen
  60   // bubble when the bubble is hidden.
  61   virtual bool CanMouseTriggerSlideIn() const = 0;
  62
  63   void StartWatchingMouse();
  64   void StopWatchingMouse();
  65   bool IsWatchingMouse() const;
  66
  67   // Called repeatedly to get the current mouse position and animate the bubble
  68   // on or off the screen as appropriate.
  69   void CheckMousePosition();
  70
  71   void ToggleFullscreen();
  72   // Accepts the request. Can cause FullscreenExitBubble to be deleted.
  73   void Accept();
  74   // Denys the request. Can cause FullscreenExitBubble to be deleted.
  75   void Cancel();
  76
  77   // The following strings may change according to the content type and URL.
  78   base::string16 GetCurrentMessageText() const;
  79   base::string16 GetCurrentDenyButtonText() const;
  80
  81   // The following strings never change.
  82   base::string16 GetAllowButtonText() const;
  83   base::string16 GetInstructionText() const;
  84
  85   // The browser this bubble is in.
  86   Browser* browser_;
  87
  88   // The host the bubble is for, can be empty.
  89   GURL url_;
  90
  91   // The type of the bubble; controls e.g. which buttons to show.
  92   FullscreenExitBubbleType bubble_type_;
  93
  94  private:
  95   // Timer to delay before allowing the bubble to hide after it's initially
  96   // shown.
  97   base::OneShotTimer<FullscreenExitBubble> initial_delay_;
  98
  99   // Timer to see how long the mouse has been idle.
 100   base::OneShotTimer<FullscreenExitBubble> idle_timeout_;
 101
 102   // Timer to poll the current mouse position.  We can't just listen for mouse
 103   // events without putting a non-empty HWND onscreen (or hooking Windows, which
 104   // has other problems), so instead we run a low-frequency poller to see if the
 105   // user has moved in or out of our show/hide regions.
 106   base::RepeatingTimer<FullscreenExitBubble> mouse_position_checker_;
 107
 108   // The most recently seen mouse position, in screen coordinates.  Used to see
 109   // if the mouse has moved since our last check.
 110   gfx::Point last_mouse_pos_;
 111
 112   DISALLOW_COPY_AND_ASSIGN(FullscreenExitBubble);
 113 };
 114
 115 #endif  // CHROME_BROWSER_UI_FULLSCREEN_FULLSCREEN_EXIT_BUBBLE_H_