chrome/browser/ui/exclusive_access/exclusive_access_bubble.cc

   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/exclusive_access/exclusive_access_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/exclusive_access/exclusive_access_context.h"
  11 #include "chrome/browser/ui/exclusive_access/exclusive_access_manager.h"
  12 #include "chrome/browser/ui/exclusive_access/fullscreen_controller.h"
  13 #include "chrome/grit/generated_resources.h"
  14 #include "extensions/browser/extension_registry.h"
  15 #include "ui/base/l10n/l10n_util.h"
  16 #include "ui/gfx/geometry/rect.h"
  17 #include "ui/strings/grit/ui_strings.h"
  18
  19 // NOTE(koz): Linux doesn't use the thick shadowed border, so we add padding
  20 // here.
  21 #if defined(OS_LINUX)
  22 const int ExclusiveAccessBubble::kPaddingPx = 8;
  23 #else
  24 const int ExclusiveAccessBubble::kPaddingPx = 15;
  25 #endif
  26 const int ExclusiveAccessBubble::kInitialDelayMs = 3800;
  27 const int ExclusiveAccessBubble::kIdleTimeMs = 2300;
  28 const int ExclusiveAccessBubble::kPositionCheckHz = 10;
  29 const int ExclusiveAccessBubble::kSlideInRegionHeightPx = 4;
  30 const int ExclusiveAccessBubble::kSlideInDurationMs = 350;
  31 const int ExclusiveAccessBubble::kSlideOutDurationMs = 700;
  32 const int ExclusiveAccessBubble::kPopupTopPx = 15;
  33
  34 ExclusiveAccessBubble::ExclusiveAccessBubble(
  35     ExclusiveAccessManager* manager,
  36     const GURL& url,
  37     ExclusiveAccessBubbleType bubble_type)
  38     : manager_(manager), url_(url), bubble_type_(bubble_type) {
  39   DCHECK_NE(EXCLUSIVE_ACCESS_BUBBLE_TYPE_NONE, bubble_type_);
  40 }
  41
  42 ExclusiveAccessBubble::~ExclusiveAccessBubble() {
  43 }
  44
  45 void ExclusiveAccessBubble::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                        &ExclusiveAccessBubble::CheckMousePosition);
  50   gfx::Point cursor_pos = GetCursorScreenPoint();
  51   last_mouse_pos_ = cursor_pos;
  52   mouse_position_checker_.Start(
  53       FROM_HERE, base::TimeDelta::FromMilliseconds(1000 / kPositionCheckHz),
  54       this, &ExclusiveAccessBubble::CheckMousePosition);
  55 }
  56
  57 void ExclusiveAccessBubble::StopWatchingMouse() {
  58   initial_delay_.Stop();
  59   idle_timeout_.Stop();
  60   mouse_position_checker_.Stop();
  61 }
  62
  63 bool ExclusiveAccessBubble::IsWatchingMouse() const {
  64   return mouse_position_checker_.IsRunning();
  65 }
  66
  67 void ExclusiveAccessBubble::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                         &ExclusiveAccessBubble::CheckMousePosition);
  97   }
  98   last_mouse_pos_ = cursor_pos;
  99
 100   if (!IsWindowActive() || !WindowContainsPoint(cursor_pos) ||
 101       (cursor_pos.y() >= GetPopupRect(true).bottom()) ||
 102       !idle_timeout_.IsRunning()) {
 103     // The cursor is offscreen, in the slide-out region, or idle.
 104     if (!initial_delay_.IsRunning()) {
 105       Hide();
 106     }
 107   } else if (cursor_pos.y() < kSlideInRegionHeightPx &&
 108              CanMouseTriggerSlideIn()) {
 109     Show();
 110   } else if (IsAnimating()) {
 111     // The cursor is not idle and either it's in the slide-in region or it's in
 112     // the neutral region and we're sliding in or out.
 113     Show();
 114   }
 115 }
 116
 117 void ExclusiveAccessBubble::ExitExclusiveAccess() {
 118   manager_->ExitExclusiveAccess();
 119 }
 120
 121 void ExclusiveAccessBubble::Accept() {
 122   manager_->OnAcceptExclusiveAccessPermission();
 123 }
 124
 125 void ExclusiveAccessBubble::Cancel() {
 126   manager_->OnDenyExclusiveAccessPermission();
 127 }
 128
 129 base::string16 ExclusiveAccessBubble::GetCurrentMessageText() const {
 130   return exclusive_access_bubble::GetLabelTextForType(
 131       bubble_type_, url_,
 132       extensions::ExtensionRegistry::Get(manager_->context()->GetProfile()));
 133 }
 134
 135 base::string16 ExclusiveAccessBubble::GetCurrentDenyButtonText() const {
 136   return exclusive_access_bubble::GetDenyButtonTextForType(bubble_type_);
 137 }
 138
 139 base::string16 ExclusiveAccessBubble::GetCurrentAllowButtonText() const {
 140   return exclusive_access_bubble::GetAllowButtonTextForType(bubble_type_, url_);
 141 }
 142
 143 base::string16 ExclusiveAccessBubble::GetInstructionText() const {
 144   return l10n_util::GetStringFUTF16(IDS_FULLSCREEN_PRESS_ESC_TO_EXIT,
 145                                     l10n_util::GetStringUTF16(IDS_APP_ESC_KEY));
 146 }