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      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 #include "chrome/browser/ui/fullscreen/fullscreen_exit_bubble.h"
      6 
      7 #include "base/strings/utf_string_conversions.h"
      8 #include "chrome/app/chrome_command_ids.h"
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "chrome/browser/ui/browser.h"
     11 #include "chrome/browser/ui/browser_commands.h"
     12 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
     13 #include "grit/generated_resources.h"
     14 #include "grit/ui_strings.h"
     15 #include "ui/base/l10n/l10n_util.h"
     16 #include "ui/gfx/rect.h"
     17 
     18 // NOTE(koz): Linux doesn't use the thick shadowed border, so we add padding
     19 // here.
     20 #if defined(OS_LINUX)
     21 const int FullscreenExitBubble::kPaddingPx = 8;
     22 #else
     23 const int FullscreenExitBubble::kPaddingPx = 0;
     24 #endif
     25 const int FullscreenExitBubble::kInitialDelayMs = 3800;
     26 const int FullscreenExitBubble::kIdleTimeMs = 2300;
     27 const int FullscreenExitBubble::kPositionCheckHz = 10;
     28 const int FullscreenExitBubble::kSlideInRegionHeightPx = 4;
     29 const int FullscreenExitBubble::kSlideInDurationMs = 350;
     30 const int FullscreenExitBubble::kSlideOutDurationMs = 700;
     31 const int FullscreenExitBubble::kPopupTopPx = 15;
     32 
     33 FullscreenExitBubble::FullscreenExitBubble(Browser* browser,
     34                                            const GURL& url,
     35                                            FullscreenExitBubbleType bubble_type)
     36     : browser_(browser),
     37       url_(url),
     38       bubble_type_(bubble_type) {
     39   DCHECK_NE(FEB_TYPE_NONE, bubble_type_);
     40 }
     41 
     42 FullscreenExitBubble::~FullscreenExitBubble() {
     43 }
     44 
     45 void FullscreenExitBubble::StartWatchingMouse() {
     46   // Start the initial delay timer and begin watching the mouse.
     47   initial_delay_.Start(FROM_HERE,
     48                        base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
     49                        &FullscreenExitBubble::CheckMousePosition);
     50   gfx::Point cursor_pos = GetCursorScreenPoint();
     51   last_mouse_pos_ = cursor_pos;
     52   mouse_position_checker_.Start(FROM_HERE,
     53       base::TimeDelta::FromMilliseconds(1000 / kPositionCheckHz), this,
     54       &FullscreenExitBubble::CheckMousePosition);
     55 }
     56 
     57 void FullscreenExitBubble::StopWatchingMouse() {
     58   initial_delay_.Stop();
     59   idle_timeout_.Stop();
     60   mouse_position_checker_.Stop();
     61 }
     62 
     63 bool FullscreenExitBubble::IsWatchingMouse() const {
     64   return mouse_position_checker_.IsRunning();
     65 }
     66 
     67 void FullscreenExitBubble::CheckMousePosition() {
     68   // Desired behavior:
     69   //
     70   // +------------+-----------------------------+------------+
     71   // | _  _  _  _ | Exit full screen mode (F11) | _  _  _  _ |  Slide-in region
     72   // | _  _  _  _ \_____________________________/ _  _  _  _ |  Neutral region
     73   // |                                                       |  Slide-out region
     74   // :                                                       :
     75   //
     76   // * If app is not active, we hide the popup.
     77   // * If the mouse is offscreen or in the slide-out region, we hide the popup.
     78   // * If the mouse goes idle, we hide the popup.
     79   // * If the mouse is in the slide-in-region and not idle, we show the popup.
     80   // * If the mouse is in the neutral region and not idle, and the popup is
     81   //   currently sliding out, we show it again.  This facilitates users
     82   //   correcting us if they try to mouse horizontally towards the popup and
     83   //   unintentionally drop too low.
     84   // * Otherwise, we do nothing, because the mouse is in the neutral region and
     85   //   either the popup is hidden or the mouse is not idle, so we don't want to
     86   //   change anything's state.
     87 
     88   gfx::Point cursor_pos = GetCursorScreenPoint();
     89 
     90   // Check to see whether the mouse is idle.
     91   if (cursor_pos != last_mouse_pos_) {
     92     // The mouse moved; reset the idle timer.
     93     idle_timeout_.Stop();  // If the timer isn't running, this is a no-op.
     94     idle_timeout_.Start(FROM_HERE,
     95                         base::TimeDelta::FromMilliseconds(kIdleTimeMs), this,
     96                         &FullscreenExitBubble::CheckMousePosition);
     97   }
     98   last_mouse_pos_ = cursor_pos;
     99 
    100   if (!IsWindowActive() ||
    101       !WindowContainsPoint(cursor_pos) ||
    102       (cursor_pos.y() >= GetPopupRect(true).bottom()) ||
    103       !idle_timeout_.IsRunning()) {
    104     // The cursor is offscreen, in the slide-out region, or idle.
    105     if (!initial_delay_.IsRunning()) {
    106       Hide();
    107     }
    108   } else if (cursor_pos.y() < kSlideInRegionHeightPx &&
    109              CanMouseTriggerSlideIn()) {
    110     Show();
    111   } else if (IsAnimating()) {
    112     // The cursor is not idle and either it's in the slide-in region or it's in
    113     // the neutral region and we're sliding in or out.
    114     Show();
    115   }
    116 }
    117 
    118 void FullscreenExitBubble::ToggleFullscreen() {
    119   browser_->fullscreen_controller()->
    120       ExitTabOrBrowserFullscreenToPreviousState();
    121 }
    122 
    123 void FullscreenExitBubble::Accept() {
    124   browser_->fullscreen_controller()->OnAcceptFullscreenPermission();
    125 }
    126 
    127 void FullscreenExitBubble::Cancel() {
    128   browser_->fullscreen_controller()->OnDenyFullscreenPermission();
    129 }
    130 
    131 string16 FullscreenExitBubble::GetCurrentMessageText() const {
    132   return fullscreen_bubble::GetLabelTextForType(
    133       bubble_type_, url_, browser_->profile()->GetExtensionService());
    134 }
    135 
    136 string16 FullscreenExitBubble::GetCurrentDenyButtonText() const {
    137   return fullscreen_bubble::GetDenyButtonTextForType(bubble_type_);
    138 }
    139 
    140 string16 FullscreenExitBubble::GetAllowButtonText() const {
    141   return l10n_util::GetStringUTF16(IDS_FULLSCREEN_ALLOW);
    142 }
    143 
    144 string16 FullscreenExitBubble::GetInstructionText() const {
    145   return l10n_util::GetStringFUTF16(IDS_FULLSCREEN_PRESS_ESC_TO_EXIT,
    146       l10n_util::GetStringUTF16(IDS_APP_ESC_KEY));
    147 }
    148