[go: nahoru, domu]

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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_
#define UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_
#include <string>
#include "base/memory/raw_ptr.h"
#include "ui/gfx/geometry/point.h"
#include "ui/views/views_export.h"
#include "ui/views/widget/tooltip_manager.h"
namespace aura {
class Window;
}
namespace gfx {
class FontList;
}
namespace views {
namespace internal {
class NativeWidgetPrivate;
}
// TooltipManager implementation for Aura.
class VIEWS_EXPORT TooltipManagerAura : public TooltipManager {
public:
explicit TooltipManagerAura(internal::NativeWidgetPrivate* native_widget);
TooltipManagerAura(const TooltipManagerAura&) = delete;
TooltipManagerAura& operator=(const TooltipManagerAura&) = delete;
~TooltipManagerAura() override;
// If |source| has capture this finds the Widget under the mouse and invokes
// UpdateTooltip() on it's TooltipManager. This is necessary as when capture
// is held mouse events are only delivered to the Window that has capture even
// though we may show tooltips for the Window under the mouse.
static void UpdateTooltipManagerForCapture(
internal::NativeWidgetPrivate* source);
// Returns the FontList used by all TooltipManagerAuras.
static const gfx::FontList& GetDefaultFontList();
// TooltipManager:
int GetMaxWidth(const gfx::Point& location) const override;
const gfx::FontList& GetFontList() const override;
void UpdateTooltip() override;
void TooltipTextChanged(View* view) override;
private:
View* GetViewUnderPoint(const gfx::Point& point);
void UpdateTooltipForTarget(View* target,
const gfx::Point& point,
aura::Window* root_window);
// Returns the Window the tooltip text is installed on.
aura::Window* GetWindow();
base::raw_ptr<internal::NativeWidgetPrivate> native_widget_;
std::u16string tooltip_text_;
};
} // namespace views
#endif // UI_VIEWS_WIDGET_TOOLTIP_MANAGER_AURA_H_