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// Copyright 2015 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 "ui/views/cocoa/tooltip_manager_mac.h"
#include "ui/gfx/font_list.h"
#import "ui/gfx/mac/coordinate_conversion.h"
#import "ui/views/cocoa/bridged_content_view.h"
#import "ui/views/cocoa/bridged_native_widget.h"
namespace {
// Max visual tooltip width in DIPs. Beyond this, Cocoa will wrap text.
const int kTooltipMaxWidthPixels = 250;
} // namespace
namespace views {
TooltipManagerMac::TooltipManagerMac(BridgedNativeWidget* widget)
: widget_(widget) {
TooltipManagerMac::~TooltipManagerMac() {
int TooltipManagerMac::GetMaxWidth(const gfx::Point& location,
gfx::NativeView context) const {
return kTooltipMaxWidthPixels;
const gfx::FontList& TooltipManagerMac::GetFontList() const {
CR_DEFINE_STATIC_LOCAL(gfx::FontList, font_list,
(gfx::Font([NSFont toolTipsFontOfSize:0])));
return font_list;
void TooltipManagerMac::UpdateTooltip() {
NSWindow* window = widget_->ns_window();
BridgedContentView* view = widget_->ns_view();
NSPoint nspoint = [window convertScreenToBase:[NSEvent mouseLocation]];
// Note: flip in the view's frame, which matches the window's contentRect.
gfx::Point point(nspoint.x, NSHeight([view frame]) - nspoint.y);
[view updateTooltipIfRequiredAt:point];
void TooltipManagerMac::TooltipTextChanged(View* view) {
// The intensive part is View::GetTooltipHandlerForPoint(), which will be done
// in [BridgedContentView updateTooltipIfRequiredAt:]. Don't do it here as
// well.
} // namespace views