zoom_view.cc revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
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
19ZoomView::ZoomView(LocationBarView::Delegate* location_bar_delegate)
20    : location_bar_delegate_(location_bar_delegate) {
21  set_accessibility_focusable(true);
22  Update(NULL);
23  LocationBarView::InitTouchableLocationBarChildView(this);
24}
25
26ZoomView::~ZoomView() {
27}
28
29void 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
44void ZoomView::GetAccessibleState(ui::AccessibleViewState* state) {
45  state->name = l10n_util::GetStringUTF16(IDS_ACCNAME_ZOOM);
46  state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
47}
48
49bool ZoomView::GetTooltipText(const gfx::Point& p, string16* tooltip) const {
50  // Don't show tooltip if the zoom bubble is displayed.
51  return !ZoomBubbleView::IsShowing() && ImageView::GetTooltipText(p, tooltip);
52}
53
54bool ZoomView::OnMousePressed(const ui::MouseEvent& event) {
55  // Do nothing until mouse is released.
56  return true;
57}
58
59void ZoomView::OnMouseReleased(const ui::MouseEvent& event) {
60  if (event.IsOnlyLeftMouseButton() && HitTestPoint(event.location()))
61    ActivateBubble();
62}
63
64bool 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
74void ZoomView::OnGestureEvent(ui::GestureEvent* event) {
75  if (event->type() == ui::ET_GESTURE_TAP) {
76    ActivateBubble();
77    event->SetHandled();
78  }
79}
80
81void ZoomView::ActivateBubble() {
82  ZoomBubbleView::ShowBubble(location_bar_delegate_->GetWebContents(), false);
83}
84