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79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
// Copyright 2021 The Chromium Embedded Framework Authors. Portions copyright
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// 2011 The Chromium Authors. All rights reserved. Use of this source code is
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// governed by a BSD-style license that can be found in the LICENSE file.
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#ifndef CEF_LIBCEF_BROWSER_VIEWS_OVERLAY_VIEW_HOST_H_
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#define CEF_LIBCEF_BROWSER_VIEWS_OVERLAY_VIEW_HOST_H_
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#pragma once
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#include <memory>
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#include "include/views/cef_overlay_controller.h"
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#include "include/views/cef_view.h"
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#include "ui/views/view_observer.h"
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#include "ui/views/widget/widget_delegate.h"
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class CefWindowView;
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// Host class for a child Widget that behaves as an overlay control. Based on
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// Chrome's DropdownBarHost.
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class CefOverlayViewHost : public views::WidgetDelegate,
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public views::ViewObserver {
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public:
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// |window_view| is the top-level view that contains this overlay.
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CefOverlayViewHost(CefWindowView* window_view,
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cef_docking_mode_t docking_mode);
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CefOverlayViewHost(const CefOverlayViewHost&) = delete;
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CefOverlayViewHost& operator=(const CefOverlayViewHost&) = delete;
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// Initializes the CefOverlayViewHost. This creates the Widget that |view|
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// paints into. On Aura platforms, |host_view| is the view whose position in
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// the |window_view_| view hierarchy determines the z-order of the widget
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// relative to views with layers and views with associated NativeViews.
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void Init(views::View* host_view, CefRefPtr<CefView> view);
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void Destroy();
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void MoveIfNecessary();
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void SetOverlayBounds(const gfx::Rect& bounds);
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void SetOverlayInsets(const CefInsets& insets);
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// views::ViewObserver methods:
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void OnViewBoundsChanged(views::View* observed_view) override;
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cef_docking_mode_t docking_mode() const { return docking_mode_; }
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CefRefPtr<CefOverlayController> controller() const { return cef_controller_; }
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CefWindowView* window_view() const { return window_view_; }
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views::Widget* widget() const { return widget_.get(); }
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views::View* view() const { return view_; }
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gfx::Rect bounds() const { return bounds_; }
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CefInsets insets() const { return insets_; }
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private:
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gfx::Rect ComputeBounds() const;
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// The CefWindowView that created us.
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CefWindowView* const window_view_;
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const cef_docking_mode_t docking_mode_;
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// Our view, which is responsible for drawing the UI.
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views::View* view_ = nullptr;
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// The Widget implementation that is created and maintained by the overlay.
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// It contains |view_|.
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std::unique_ptr<views::Widget> widget_;
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CefRefPtr<CefOverlayController> cef_controller_;
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gfx::Rect bounds_;
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bool bounds_changing_ = false;
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CefInsets insets_;
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};
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#endif // CEF_LIBCEF_BROWSER_VIEWS_OVERLAY_VIEW_HOST_H_
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