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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/page_action/zoom_view.h"
#include "base/i18n/number_formatting.h"
#include "chrome/app/vector_icons/vector_icons.h"
#include "chrome/browser/ui/view_ids.h"
#include "chrome/browser/ui/views/location_bar/zoom_bubble_view.h"
#include "chrome/grit/generated_resources.h"
#include "components/toolbar/toolbar_model.h"
#include "components/zoom/zoom_controller.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/events/event.h"
#include "ui/gfx/geometry/size.h"
ZoomView::ZoomView(LocationBarView::Delegate* location_bar_delegate,
PageActionIconView::Delegate* delegate)
: PageActionIconView(nullptr, 0, delegate),
location_bar_delegate_(location_bar_delegate),
icon_(&kZoomMinusIcon) {
SetVisible(false);
}
ZoomView::~ZoomView() {}
bool ZoomView::Update() {
bool was_visible = visible();
ZoomChangedForActiveTab(false);
return visible() != was_visible;
}
bool ZoomView::ShouldBeVisible(bool can_show_bubble) const {
if (location_bar_delegate_ &&
location_bar_delegate_->GetToolbarModel()->input_in_progress()) {
return false;
}
if (can_show_bubble)
return true;
if (ZoomBubbleView::GetZoomBubble())
return true;
DCHECK(GetWebContents());
zoom::ZoomController* zoom_controller =
zoom::ZoomController::FromWebContents(GetWebContents());
return zoom_controller && !zoom_controller->IsAtDefaultZoom();
}
void ZoomView::ZoomChangedForActiveTab(bool can_show_bubble) {
content::WebContents* web_contents = GetWebContents();
if (!web_contents)
return;
if (ShouldBeVisible(can_show_bubble)) {
zoom::ZoomController* zoom_controller =
zoom::ZoomController::FromWebContents(web_contents);
current_zoom_percent_ = zoom_controller->GetZoomPercent();
// The icon is hidden when the zoom level is default.
icon_ = zoom_controller && zoom_controller->GetZoomRelativeToDefault() ==
zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM
? &kZoomMinusIcon
: &kZoomPlusIcon;
if (GetNativeTheme())
UpdateIconImage();
// Visibility must be enabled before the bubble is shown to ensure the
// bubble anchors correctly.
SetVisible(true);
if (can_show_bubble) {
ZoomBubbleView::ShowBubble(web_contents, gfx::Point(),
ZoomBubbleView::AUTOMATIC);
} else {
ZoomBubbleView::RefreshBubbleIfShowing(web_contents);
}
} else {
SetVisible(false);
ZoomBubbleView::CloseCurrentBubble();
}
}
void ZoomView::OnExecuting(PageActionIconView::ExecuteSource source) {
ZoomBubbleView::ShowBubble(GetWebContents(), gfx::Point(),
ZoomBubbleView::USER_GESTURE);
}
views::BubbleDialogDelegateView* ZoomView::GetBubble() const {
return ZoomBubbleView::GetZoomBubble();
}
const gfx::VectorIcon& ZoomView::GetVectorIcon() const {
return *icon_;
}
base::string16 ZoomView::GetTextForTooltipAndAccessibleName() const {
return l10n_util::GetStringFUTF16(IDS_TOOLTIP_ZOOM,
base::FormatPercent(current_zoom_percent_));
}
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