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cef_display.h
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172 lines (152 loc) · 5.96 KB
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// Copyright (c) 2016 Marshall A. Greenblatt. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the name Chromium Embedded
// Framework nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// ---------------------------------------------------------------------------
//
// The contents of this file must follow a specific format in order to
// support the CEF translator tool. See the translator.README.txt file in the
// tools directory for more information.
//
#ifndef CEF_INCLUDE_VIEWS_CEF_DISPLAY_H_
#define CEF_INCLUDE_VIEWS_CEF_DISPLAY_H_
#pragma once
#include <vector>
#include "include/cef_base.h"
///
/// This class typically, but not always, corresponds to a physical display
/// connected to the system. A fake Display may exist on a headless system, or a
/// Display may correspond to a remote, virtual display. All size and position
/// values are in density independent pixel (DIP) coordinates unless otherwise
/// indicated. Methods must be called on the browser process UI thread unless
/// otherwise indicated.
///
/*--cef(source=library)--*/
class CefDisplay : public CefBaseRefCounted {
public:
///
/// Returns the primary Display.
///
/*--cef()--*/
static CefRefPtr<CefDisplay> GetPrimaryDisplay();
///
/// Returns the Display nearest |point|. Set |input_pixel_coords| to true if
/// |point| is in pixel screen coordinates instead of DIP screen coordinates.
///
/*--cef()--*/
static CefRefPtr<CefDisplay> GetDisplayNearestPoint(const CefPoint& point,
bool input_pixel_coords);
///
/// Returns the Display that most closely intersects |bounds|. Set
/// |input_pixel_coords| to true if |bounds| is in pixel screen coordinates
/// instead of DIP screen coordinates.
///
/*--cef()--*/
static CefRefPtr<CefDisplay> GetDisplayMatchingBounds(
const CefRect& bounds,
bool input_pixel_coords);
///
/// Returns the total number of Displays. Mirrored displays are excluded; this
/// method is intended to return the number of distinct, usable displays.
///
/*--cef()--*/
static size_t GetDisplayCount();
///
/// Returns all Displays. Mirrored displays are excluded; this method is
/// intended to return distinct, usable displays.
///
/*--cef(count_func=displays:GetDisplayCount)--*/
static void GetAllDisplays(std::vector<CefRefPtr<CefDisplay>>& displays);
///
/// Convert |point| from DIP screen coordinates to pixel screen coordinates.
/// This method is only used on Windows.
///
/*--cef()--*/
static CefPoint ConvertScreenPointToPixels(const CefPoint& point);
///
/// Convert |point| from pixel screen coordinates to DIP screen coordinates.
/// This method is only used on Windows.
///
/*--cef()--*/
static CefPoint ConvertScreenPointFromPixels(const CefPoint& point);
///
/// Convert |rect| from DIP screen coordinates to pixel screen coordinates.
/// This method is only used on Windows.
///
/*--cef()--*/
static CefRect ConvertScreenRectToPixels(const CefRect& rect);
///
/// Convert |rect| from pixel screen coordinates to DIP screen coordinates.
/// This method is only used on Windows.
///
/*--cef()--*/
static CefRect ConvertScreenRectFromPixels(const CefRect& rect);
///
/// Returns the unique identifier for this Display.
///
/*--cef()--*/
virtual int64_t GetID() = 0;
///
/// Returns this Display's device pixel scale factor. This specifies how much
/// the UI should be scaled when the actual output has more pixels than
/// standard displays (which is around 100~120dpi). The potential return
/// values differ by platform.
///
/*--cef()--*/
virtual float GetDeviceScaleFactor() = 0;
///
/// Convert |point| from DIP coordinates to pixel coordinates using this
/// Display's device scale factor.
///
/*--cef()--*/
virtual void ConvertPointToPixels(CefPoint& point) = 0;
///
/// Convert |point| from pixel coordinates to DIP coordinates using this
/// Display's device scale factor.
///
/*--cef()--*/
virtual void ConvertPointFromPixels(CefPoint& point) = 0;
///
/// Returns this Display's bounds in DIP screen coordinates. This is the full
/// size of the display.
///
/*--cef()--*/
virtual CefRect GetBounds() = 0;
///
/// Returns this Display's work area in DIP screen coordinates. This excludes
/// areas of the display that are occupied with window manager toolbars, etc.
///
/*--cef()--*/
virtual CefRect GetWorkArea() = 0;
///
/// Returns this Display's rotation in degrees.
///
/*--cef()--*/
virtual int GetRotation() = 0;
};
#endif // CEF_INCLUDE_VIEWS_CEF_DISPLAY_H_