OLD | NEW |
(Empty) | |
| 1 // Copyright 2016 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/views/new_back_shortcut_bubble.h" |
| 6 |
| 7 #include <utility> |
| 8 |
| 9 #include "base/message_loop/message_loop.h" |
| 10 #include "base/strings/utf_string_conversions.h" |
| 11 #include "chrome/browser/ui/views/exclusive_access_bubble_views_context.h" |
| 12 #include "chrome/browser/ui/views/subtle_notification_view.h" |
| 13 #include "chrome/grit/generated_resources.h" |
| 14 #include "ui/base/l10n/l10n_util.h" |
| 15 #include "ui/gfx/animation/animation.h" |
| 16 #include "ui/gfx/animation/slide_animation.h" |
| 17 #include "ui/gfx/geometry/rect.h" |
| 18 #include "ui/gfx/geometry/size.h" |
| 19 #include "ui/strings/grit/ui_strings.h" |
| 20 #include "ui/views/border.h" |
| 21 #include "ui/views/view.h" |
| 22 #include "ui/views/widget/widget.h" |
| 23 |
| 24 namespace { |
| 25 |
| 26 const int kPopupTopPx = 45; |
| 27 const int kSlideInDurationMs = 350; |
| 28 const int kSlideOutDurationMs = 700; |
| 29 const int kShowDurationMs = 3800; |
| 30 |
| 31 } |
| 32 |
| 33 NewBackShortcutBubble::NewBackShortcutBubble( |
| 34 ExclusiveAccessBubbleViewsContext* context, |
| 35 bool forward) |
| 36 : bubble_view_context_(context), |
| 37 animation_(new gfx::SlideAnimation(this)), |
| 38 view_(new SubtleNotificationView(nullptr)), |
| 39 popup_(SubtleNotificationView::CreatePopupWidget( |
| 40 bubble_view_context_->GetBubbleParentView(), |
| 41 view_, |
| 42 false)) { |
| 43 UpdateContent(forward); |
| 44 } |
| 45 |
| 46 NewBackShortcutBubble::~NewBackShortcutBubble() { |
| 47 // We might need to delete the widget asynchronously. See rationale in |
| 48 // ~ExclusiveAccessBubbleViews. |
| 49 popup_->Close(); |
| 50 base::MessageLoop::current()->DeleteSoon(FROM_HERE, popup_); |
| 51 } |
| 52 |
| 53 void NewBackShortcutBubble::UpdateContent(bool forward) { |
| 54 // Note: The key names are parameters so that we can vary by operating system |
| 55 // or change the direction of the arrow as necessary (see |
| 56 // https://crbug.com/612685). |
| 57 |
| 58 #if defined(OS_MACOSX) |
| 59 // U+2318 = PLACE OF INTEREST SIGN (Mac Command symbol). |
| 60 base::string16 accelerator = base::WideToUTF16(L"\x2318"); |
| 61 #else |
| 62 base::string16 accelerator = l10n_util::GetStringUTF16(IDS_APP_ALT_KEY); |
| 63 #endif |
| 64 |
| 65 int message_id = forward ? IDS_PRESS_ALT_RIGHT_TO_GO_FORWARD |
| 66 : IDS_PRESS_ALT_LEFT_TO_GO_BACK; |
| 67 // U+2192 = RIGHTWARDS ARROW; U+2190 = LEFTWARDS ARROW. |
| 68 base::string16 arrow_key = base::WideToUTF16(forward ? L"\x2192" : L"\x2190"); |
| 69 view_->UpdateContent( |
| 70 l10n_util::GetStringFUTF16(message_id, accelerator, arrow_key), |
| 71 base::string16()); |
| 72 |
| 73 view_->SetSize(GetPopupRect(true).size()); |
| 74 popup_->SetBounds(GetPopupRect(false)); |
| 75 |
| 76 // Show the bubble. |
| 77 animation_->SetSlideDuration(kSlideInDurationMs); |
| 78 animation_->Show(); |
| 79 |
| 80 // Wait a few seconds before hiding. |
| 81 hide_timeout_.Start(FROM_HERE, |
| 82 base::TimeDelta::FromMilliseconds(kShowDurationMs), this, |
| 83 &NewBackShortcutBubble::OnTimerElapsed); |
| 84 } |
| 85 |
| 86 void NewBackShortcutBubble::AnimationProgressed( |
| 87 const gfx::Animation* animation) { |
| 88 int opacity = animation_->CurrentValueBetween(0, 255); |
| 89 if (opacity == 0) { |
| 90 popup_->Hide(); |
| 91 } else { |
| 92 if (!popup_->IsVisible()) |
| 93 popup_->Show(); |
| 94 |
| 95 popup_->SetOpacity(opacity); |
| 96 } |
| 97 } |
| 98 |
| 99 void NewBackShortcutBubble::AnimationEnded(const gfx::Animation* animation) { |
| 100 AnimationProgressed(animation); |
| 101 } |
| 102 |
| 103 gfx::Rect NewBackShortcutBubble::GetPopupRect( |
| 104 bool ignore_animation_state) const { |
| 105 gfx::Size size = view_->GetPreferredSize(); |
| 106 gfx::Rect widget_bounds = bubble_view_context_->GetClientAreaBoundsInScreen(); |
| 107 int x = widget_bounds.x() + (widget_bounds.width() - size.width()) / 2; |
| 108 // |desired_top| is the top of the bubble area including the shadow. |
| 109 int desired_top = kPopupTopPx - view_->border()->GetInsets().top(); |
| 110 int y = widget_bounds.y() + desired_top; |
| 111 return gfx::Rect(gfx::Point(x, y), size); |
| 112 } |
| 113 |
| 114 void NewBackShortcutBubble::OnTimerElapsed() { |
| 115 // Hide the bubble. |
| 116 animation_->SetSlideDuration(kSlideOutDurationMs); |
| 117 animation_->Hide(); |
| 118 } |
OLD | NEW |