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/accessibility/ax_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 }
  24
  25 ZoomView::~ZoomView() {
  26 }
  27
  28 void ZoomView::Update(ZoomController* zoom_controller) {
  29   if (!zoom_controller || zoom_controller->IsAtDefaultZoom() ||
  30       location_bar_delegate_->GetToolbarModel()->input_in_progress()) {
  31     SetVisible(false);
  32     ZoomBubbleView::CloseBubble();
  33     return;
  34   }
  35
  36   SetTooltipText(l10n_util::GetStringFUTF16Int(IDS_TOOLTIP_ZOOM,
  37       zoom_controller->zoom_percent()));
  38   SetImage(ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
  39       zoom_controller->GetResourceForZoomLevel()));
  40   SetVisible(true);
  41 }
  42
  43 void ZoomView::GetAccessibleState(ui::AXViewState* state) {
  44   state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_ZOOM);
  45   state->role = ui::AX_ROLE_BUTTON;
  46 }
  47
  48 bool ZoomView::GetTooltipText(const gfx::Point& p,
  49                               base::string16* tooltip) const {
  50   // Don't show tooltip if the zoom bubble is displayed.
  51   return !ZoomBubbleView::IsShowing() && ImageView::GetTooltipText(p, tooltip);
  52 }
  53
  54 bool ZoomView::OnMousePressed(const ui::MouseEvent& event) {
  55   // Do nothing until mouse is released.
  56   return true;
  57 }
  58
  59 void ZoomView::OnMouseReleased(const ui::MouseEvent& event) {
  60   if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
  61     ActivateBubble();
  62 }
  63
  64 bool ZoomView::OnKeyPressed(const ui::KeyEvent& event) {
  65   if (event.key_code() != ui::VKEY_SPACE &&
  66       event.key_code() != ui::VKEY_RETURN) {
  67     return false;
  68   }
  69
  70   ActivateBubble();
  71   return true;
  72 }
  73
  74 void ZoomView::OnGestureEvent(ui::GestureEvent* event) {
  75   if (event->type() == ui::ET_GESTURE_TAP) {
  76     ActivateBubble();
  77     event->SetHandled();
  78   }
  79 }
  80
  81 void ZoomView::ActivateBubble() {
  82   ZoomBubbleView::ShowBubble(location_bar_delegate_->GetWebContents(), false);
  83 }