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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.
#import "chrome/browser/ui/cocoa/location_bar/zoom_decoration.h"
#include "base/strings/string16.h"
#include "base/strings/string_number_conversions.h"
#include "chrome/app/chrome_command_ids.h"
#import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
#import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
#import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
#import "chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h"
#include "chrome/grit/generated_resources.h"
#include "components/ui/zoom/zoom_controller.h"
#include "grit/theme_resources.h"
#include "ui/base/l10n/l10n_util_mac.h"
ZoomDecoration::ZoomDecoration(LocationBarViewMac* owner)
: owner_(owner),
bubble_(nil) {
}
ZoomDecoration::~ZoomDecoration() {
[bubble_ closeWithoutAnimation];
bubble_.delegate = nil;
}
bool ZoomDecoration::UpdateIfNecessary(
ui_zoom::ZoomController* zoom_controller) {
if (!ShouldShowDecoration()) {
if (!IsVisible() && !bubble_)
return false;
HideUI();
return true;
}
base::string16 zoom_percent =
base::IntToString16(zoom_controller->GetZoomPercent());
NSString* zoom_string =
l10n_util::GetNSStringFWithFixup(IDS_TOOLTIP_ZOOM, zoom_percent);
if (IsVisible() && [tooltip_ isEqualToString:zoom_string])
return false;
ShowAndUpdateUI(zoom_controller, zoom_string);
return true;
}
void ZoomDecoration::ShowBubble(BOOL auto_close) {
if (bubble_) {
bubble_.delegate = nil;
[[bubble_.window parentWindow] removeChildWindow:bubble_.window];
[bubble_.window orderOut:nil];
[bubble_ closeWithoutAnimation];
}
content::WebContents* web_contents = owner_->GetWebContents();
if (!web_contents)
return;
// Get the frame of the decoration.
AutocompleteTextField* field = owner_->GetAutocompleteTextField();
const NSRect frame =
[[field cell] frameForDecoration:this inFrame:[field bounds]];
// Find point for bubble's arrow in screen coordinates.
NSPoint anchor = GetBubblePointInFrame(frame);
anchor = [field convertPoint:anchor toView:nil];
anchor = [[field window] convertBaseToScreen:anchor];
bubble_ = [[ZoomBubbleController alloc] initWithParentWindow:[field window]
delegate:this];
[bubble_ showAnchoredAt:anchor autoClose:auto_close];
}
void ZoomDecoration::CloseBubble() {
[bubble_ close];
}
void ZoomDecoration::HideUI() {
[bubble_ close];
SetVisible(false);
}
void ZoomDecoration::ShowAndUpdateUI(ui_zoom::ZoomController* zoom_controller,
NSString* tooltip_string) {
int image_id = IDR_ZOOM_NORMAL;
ui_zoom::ZoomController::RelativeZoom relative_zoom =
zoom_controller->GetZoomRelativeToDefault();
if (relative_zoom == ui_zoom::ZoomController::ZOOM_BELOW_DEFAULT_ZOOM)
image_id = IDR_ZOOM_MINUS;
else if (relative_zoom == ui_zoom::ZoomController::ZOOM_ABOVE_DEFAULT_ZOOM)
image_id = IDR_ZOOM_PLUS;
SetImage(OmniboxViewMac::ImageForResource(image_id));
tooltip_.reset([tooltip_string retain]);
SetVisible(true);
[bubble_ onZoomChanged];
}
NSPoint ZoomDecoration::GetBubblePointInFrame(NSRect frame) {
return NSMakePoint(NSMaxX(frame), NSMaxY(frame));
}
bool ZoomDecoration::IsAtDefaultZoom() const {
content::WebContents* web_contents = owner_->GetWebContents();
if (!web_contents)
return false;
ui_zoom::ZoomController* zoomController =
ui_zoom::ZoomController::FromWebContents(web_contents);
return zoomController && zoomController->IsAtDefaultZoom();
}
bool ZoomDecoration::ShouldShowDecoration() const {
return owner_->GetWebContents() != NULL &&
!owner_->GetToolbarModel()->input_in_progress() &&
(bubble_ || !IsAtDefaultZoom());
}
bool ZoomDecoration::AcceptsMousePress() {
return true;
}
bool ZoomDecoration::OnMousePressed(NSRect frame, NSPoint location) {
if (bubble_)
CloseBubble();
else
ShowBubble(NO);
return true;
}
NSString* ZoomDecoration::GetToolTip() {
return tooltip_.get();
}
content::WebContents* ZoomDecoration::GetWebContents() {
return owner_->GetWebContents();
}
void ZoomDecoration::OnClose() {
bubble_.delegate = nil;
bubble_ = nil;
// If the page is at default zoom then hiding the zoom decoration
// was suppressed while the bubble was open. Now that the bubble is
// closed the decoration can be hidden.
if (IsAtDefaultZoom() && IsVisible()) {
SetVisible(false);
owner_->OnDecorationsChanged();
}
}
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