chrome/browser/ui/views/location_bar/zoom_view.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/views/location_bar/zoom_view.h"
   6
   7 #include "chrome/browser/ui/toolbar/toolbar_model.h"
   8 #include "chrome/browser/ui/view_ids.h"
   9 #include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
  10 #include "chrome/browser/ui/zoom/zoom_controller.h"
  11 #include "grit/generated_resources.h"
  12 #include "grit/theme_resources.h"
  13 #include "ui/base/accessibility/accessible_view_state.h"
  14 #include "ui/base/l10n/l10n_util.h"
  15 #include "ui/base/resource/resource_bundle.h"
  16 #include "ui/events/event.h"
  17 #include "ui/gfx/size.h"
  18
  19 ZoomView::ZoomView(LocationBarView::Delegate* location_bar_delegate)
  20     : location_bar_delegate_(location_bar_delegate) {
  21   SetAccessibilityFocusable(true);
  22   Update(NULL);
  23   LocationBarView::InitTouchableLocationBarChildView(this);
  24 }
  25
  26 ZoomView::~ZoomView() {
  27 }
  28
  29 void ZoomView::Update(ZoomController* zoom_controller) {
  30   if (!zoom_controller || zoom_controller->IsAtDefaultZoom() ||
  31       location_bar_delegate_->GetToolbarModel()->input_in_progress()) {
  32     SetVisible(false);
  33     ZoomBubbleView::CloseBubble();
  34     return;
  35   }
  36
  37   SetTooltipText(l10n_util::GetStringFUTF16Int(IDS_TOOLTIP_ZOOM,
  38       zoom_controller->zoom_percent()));
  39   SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
  40       zoom_controller->GetResourceForZoomLevel()));
  41   SetVisible(true);
  42 }
  43
  44 void ZoomView::GetAccessibleState(ui::AccessibleViewState* state) {
  45   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_ZOOM);
  46   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
  47 }
  48
  49 bool ZoomView::GetTooltipText(const gfx::Point& p,
  50                               base::string16* tooltip) const {
  51   // Don't show tooltip if the zoom bubble is displayed.
  52   return !ZoomBubbleView::IsShowing() && ImageView::GetTooltipText(p, tooltip);
  53 }
  54
  55 bool ZoomView::OnMousePressed(const ui::MouseEvent& event) {
  56   // Do nothing until mouse is released.
  57   return true;
  58 }
  59
  60 void ZoomView::OnMouseReleased(const ui::MouseEvent& event) {
  61   if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
  62     ActivateBubble();
  63 }
  64
  65 bool ZoomView::OnKeyPressed(const ui::KeyEvent& event) {
  66   if (event.key_code() != ui::VKEY_SPACE &&
  67       event.key_code() != ui::VKEY_RETURN) {
  68     return false;
  69   }
  70
  71   ActivateBubble();
  72   return true;
  73 }
  74
  75 void ZoomView::OnGestureEvent(ui::GestureEvent* event) {
  76   if (event->type() == ui::ET_GESTURE_TAP) {
  77     ActivateBubble();
  78     event->SetHandled();
  79   }
  80 }
  81
  82 void ZoomView::ActivateBubble() {
  83   ZoomBubbleView::ShowBubble(location_bar_delegate_->GetWebContents(), false);
  84 }