Home | History | Annotate | Download | only in fullscreen 
      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 "chrome/grit/generated_resources.h"
     14 #include "extensions/browser/extension_system.h"
     15 #include "ui/base/l10n/l10n_util.h"
     16 #include "ui/gfx/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 FullscreenExitBubble::kPaddingPx = 8;
     23 #else
     24 const int FullscreenExitBubble::kPaddingPx = 15;
     25 #endif
     26 const int FullscreenExitBubble::kInitialDelayMs = 3800;
     27 const int FullscreenExitBubble::kIdleTimeMs = 2300;
     28 const int FullscreenExitBubble::kPositionCheckHz = 10;
     29 const int FullscreenExitBubble::kSlideInRegionHeightPx = 4;
     30 const int FullscreenExitBubble::kSlideInDurationMs = 350;
     31 const int FullscreenExitBubble::kSlideOutDurationMs = 700;
     32 const int FullscreenExitBubble::kPopupTopPx = 15;
     33 
     34 FullscreenExitBubble::FullscreenExitBubble(Browser* browser,
     35                                            const GURL& url,
     36                                            FullscreenExitBubbleType bubble_type)
     37     : browser_(browser),
     38       url_(url),
     39       bubble_type_(bubble_type) {
     40   DCHECK_NE(FEB_TYPE_NONE, bubble_type_);
     41 }
     42 
     43 FullscreenExitBubble::~FullscreenExitBubble() {
     44 }
     45 
     46 void FullscreenExitBubble::StartWatchingMouse() {
     47   // Start the initial delay timer and begin watching the mouse.
     48   initial_delay_.Start(FROM_HERE,
     49                        base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
     50                        &FullscreenExitBubble::CheckMousePosition);
     51   gfx::Point cursor_pos = GetCursorScreenPoint();
     52   last_mouse_pos_ = cursor_pos;
     53   mouse_position_checker_.Start(FROM_HERE,
     54       base::TimeDelta::FromMilliseconds(1000 / kPositionCheckHz), this,
     55       &FullscreenExitBubble::CheckMousePosition);
     56 }
     57 
     58 void FullscreenExitBubble::StopWatchingMouse() {
     59   initial_delay_.Stop();
     60   idle_timeout_.Stop();
     61   mouse_position_checker_.Stop();
     62 }
     63 
     64 bool FullscreenExitBubble::IsWatchingMouse() const {
     65   return mouse_position_checker_.IsRunning();
     66 }
     67 
     68 void FullscreenExitBubble::CheckMousePosition() {
     69   // Desired behavior:
     70   //
     71   // +------------+-----------------------------+------------+
     72   // | _  _  _  _ | Exit full screen mode (F11) | _  _  _  _ |  Slide-in region
     73   // | _  _  _  _ \_____________________________/ _  _  _  _ |  Neutral region
     74   // |                                                       |  Slide-out region
     75   // :                                                       :
     76   //
     77   // * If app is not active, we hide the popup.
     78   // * If the mouse is offscreen or in the slide-out region, we hide the popup.
     79   // * If the mouse goes idle, we hide the popup.
     80   // * If the mouse is in the slide-in-region and not idle, we show the popup.
     81   // * If the mouse is in the neutral region and not idle, and the popup is
     82   //   currently sliding out, we show it again.  This facilitates users
     83   //   correcting us if they try to mouse horizontally towards the popup and
     84   //   unintentionally drop too low.
     85   // * Otherwise, we do nothing, because the mouse is in the neutral region and
     86   //   either the popup is hidden or the mouse is not idle, so we don't want to
     87   //   change anything's state.
     88 
     89   gfx::Point cursor_pos = GetCursorScreenPoint();
     90 
     91   // Check to see whether the mouse is idle.
     92   if (cursor_pos != last_mouse_pos_) {
     93     // The mouse moved; reset the idle timer.
     94     idle_timeout_.Stop();  // If the timer isn't running, this is a no-op.
     95     idle_timeout_.Start(FROM_HERE,
     96                         base::TimeDelta::FromMilliseconds(kIdleTimeMs), this,
     97                         &FullscreenExitBubble::CheckMousePosition);
     98   }
     99   last_mouse_pos_ = cursor_pos;
    100 
    101   if (!IsWindowActive() ||
    102       !WindowContainsPoint(cursor_pos) ||
    103       (cursor_pos.y() >= GetPopupRect(true).bottom()) ||
    104       !idle_timeout_.IsRunning()) {
    105     // The cursor is offscreen, in the slide-out region, or idle.
    106     if (!initial_delay_.IsRunning()) {
    107       Hide();
    108     }
    109   } else if (cursor_pos.y() < kSlideInRegionHeightPx &&
    110              CanMouseTriggerSlideIn()) {
    111     Show();
    112   } else if (IsAnimating()) {
    113     // The cursor is not idle and either it's in the slide-in region or it's in
    114     // the neutral region and we're sliding in or out.
    115     Show();
    116   }
    117 }
    118 
    119 void FullscreenExitBubble::ToggleFullscreen() {
    120   browser_->fullscreen_controller()->
    121       ExitTabOrBrowserFullscreenToPreviousState();
    122 }
    123 
    124 void FullscreenExitBubble::Accept() {
    125   browser_->fullscreen_controller()->OnAcceptFullscreenPermission();
    126 }
    127 
    128 void FullscreenExitBubble::Cancel() {
    129   browser_->fullscreen_controller()->OnDenyFullscreenPermission();
    130 }
    131 
    132 base::string16 FullscreenExitBubble::GetCurrentMessageText() const {
    133   return fullscreen_bubble::GetLabelTextForType(
    134       bubble_type_, url_,
    135       extensions::ExtensionSystem::Get(
    136           browser_->profile())->extension_service());
    137 }
    138 
    139 base::string16 FullscreenExitBubble::GetCurrentDenyButtonText() const {
    140   return fullscreen_bubble::GetDenyButtonTextForType(bubble_type_);
    141 }
    142 
    143 base::string16 FullscreenExitBubble::GetAllowButtonText() const {
    144   return l10n_util::GetStringUTF16(IDS_FULLSCREEN_ALLOW);
    145 }
    146 
    147 base::string16 FullscreenExitBubble::GetInstructionText() const {
    148   return l10n_util::GetStringFUTF16(IDS_FULLSCREEN_PRESS_ESC_TO_EXIT,
    149       l10n_util::GetStringUTF16(IDS_APP_ESC_KEY));
    150 }
    151