1
0
mirror of https://github.com/salvadordf/CEF4Delphi.git synced 2024-11-24 08:02:15 +02:00
CEF4Delphi/source/uCEFOverlayController.pas
2023-09-29 19:23:38 +02:00

266 lines
10 KiB
ObjectPascal

unit uCEFOverlayController;
{$IFDEF FPC}
{$MODE OBJFPC}{$H+}
{$ENDIF}
{$I cef.inc}
{$IFNDEF TARGET_64BITS}{$ALIGN ON}{$ENDIF}
{$MINENUMSIZE 4}
interface
uses
{$IFDEF DELPHI16_UP}
System.Classes, System.SysUtils,
{$ELSE}
Classes, SysUtils,
{$ENDIF}
uCEFBaseRefCounted, uCEFInterfaces, uCEFTypes;
type
/// <summary>
/// Controller for an overlay that contains a contents View added via
/// ICefWindow.AddOverlayView. Methods exposed by this controller should be
/// called in preference to functions of the same name exposed by the contents
/// View unless otherwise indicated. Methods must be called on the browser
/// process UI thread unless otherwise indicated.
/// </summary>
/// <remarks>
/// <para><see href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/views/cef_overlay_controller_capi.h">CEF source file: /include/capi/views/cef_overlay_controller_capi.h (cef_overlay_controller_t)</see></para>
/// </remarks>
TCefOverlayControllerRef = class(TCefBaseRefCountedRef, ICefOverlayController)
public
/// <summary>
/// Returns true (1) if this object is valid.
/// </summary>
function IsValid: boolean;
/// <summary>
/// Returns true (1) if this object is the same as |that| object.
/// </summary>
function IsSame(const that: ICefOverlayController): boolean;
/// <summary>
/// Returns the contents View for this overlay.
/// </summary>
function GetContentsView: ICefView;
/// <summary>
/// Returns the top-level Window hosting this overlay. Use this function
/// instead of calling get_window() on the contents View.
/// </summary>
function GetWindow: ICefWindow;
/// <summary>
/// Returns the docking mode for this overlay.
/// </summary>
function GetDockingMode: TCefDockingMode;
/// <summary>
/// Destroy this overlay.
/// </summary>
procedure DestroyOverlay;
/// <summary>
/// Sets the bounds (size and position) of this overlay. This will set the
/// bounds of the contents View to match and trigger a re-layout if necessary.
/// |bounds| is in parent coordinates and any insets configured on this
/// overlay will be ignored. Use this function only for overlays created with
/// a docking mode value of CEF_DOCKING_MODE_CUSTOM. With other docking modes
/// modify the insets of this overlay and/or layout of the contents View and
/// call size_to_preferred_size() instead to calculate the new size and re-
/// position the overlay if necessary.
/// </summary>
procedure SetBounds(const bounds: TCefRect);
/// <summary>
/// Returns the bounds (size and position) of this overlay in parent
/// coordinates.
/// </summary>
function GetBounds: TCefRect;
/// <summary>
/// Returns the bounds (size and position) of this overlay in DIP screen
/// coordinates.
/// </summary>
function GetBoundsInScreen: TCefRect;
/// <summary>
/// Sets the size of this overlay without changing the position. This will set
/// the size of the contents View to match and trigger a re-layout if
/// necessary. |size| is in parent coordinates and any insets configured on
/// this overlay will be ignored. Use this function only for overlays created
/// with a docking mode value of CEF_DOCKING_MODE_CUSTOM. With other docking
/// modes modify the insets of this overlay and/or layout of the contents View
/// and call size_to_preferred_size() instead to calculate the new size and
/// re-position the overlay if necessary.
/// </summary>
procedure SetSize(const size: TCefSize);
/// <summary>
/// Returns the size of this overlay in parent coordinates.
/// </summary>
function GetSize: TCefSize;
/// <summary>
/// Sets the position of this overlay without changing the size. |position| is
/// in parent coordinates and any insets configured on this overlay will be
/// ignored. Use this function only for overlays created with a docking mode
/// value of CEF_DOCKING_MODE_CUSTOM. With other docking modes modify the
/// insets of this overlay and/or layout of the contents View and call
/// size_to_preferred_size() instead to calculate the new size and re-position
/// the overlay if necessary.
/// </summary>
procedure SetPosition(const position: TCefPoint);
/// <summary>
/// Returns the position of this overlay in parent coordinates.
/// </summary>
function GetPosition: TCefPoint;
/// <summary>
/// Sets the insets for this overlay. |insets| is in parent coordinates. Use
/// this function only for overlays created with a docking mode value other
/// than CEF_DOCKING_MODE_CUSTOM.
/// </summary>
procedure SetInsets(const insets: TCefInsets);
/// <summary>
/// Returns the insets for this overlay in parent coordinates.
/// </summary>
function GetInsets: TCefInsets;
/// <summary>
/// Size this overlay to its preferred size and trigger a re-layout if
/// necessary. The position of overlays created with a docking mode value of
/// CEF_DOCKING_MODE_CUSTOM will not be modified by calling this function.
/// With other docking modes this function may re-position the overlay if
/// necessary to accommodate the new size and any insets configured on the
/// contents View.
/// </summary>
procedure SizeToPreferredSize;
/// <summary>
/// Sets whether this overlay is visible. Overlays are hidden by default. If
/// this overlay is hidden then it and any child Views will not be drawn and,
/// if any of those Views currently have focus, then focus will also be
/// cleared. Painting is scheduled as needed.
/// </summary>
procedure SetVisible(visible: boolean);
/// <summary>
/// Returns whether this overlay is visible. A View may be visible but still
/// not drawn in a Window if any parent Views are hidden. Call is_drawn() to
/// determine whether this overlay and all parent Views are visible and will
/// be drawn.
/// </summary>
function IsVisible: boolean;
/// <summary>
/// Returns whether this overlay is visible and drawn in a Window. A View is
/// drawn if it and all parent Views are visible. To determine if the
/// containing Window is visible to the user on-screen call is_visible() on
/// the Window.
/// </summary>
function IsDrawn: boolean;
/// <summary>
/// Returns a ICefOverlayController instance using a PCefOverlayController data pointer.
/// </summary>
class function UnWrap(data: Pointer): ICefOverlayController;
end;
implementation
uses
uCEFMiscFunctions, uCEFLibFunctions, uCEFView, uCEFWindow;
function TCefOverlayControllerRef.IsValid: boolean;
begin
Result := PCefOverlayController(FData)^.is_valid(PCefOverlayController(FData)) <> 0;
end;
function TCefOverlayControllerRef.IsSame(const that: ICefOverlayController): boolean;
begin
Result := PCefOverlayController(FData)^.is_same(PCefOverlayController(FData), CefGetData(that)) <> 0;
end;
function TCefOverlayControllerRef.GetContentsView: ICefView;
begin
Result := TCefViewRef.UnWrap(PCefOverlayController(FData)^.get_contents_view(PCefOverlayController(FData)));
end;
function TCefOverlayControllerRef.GetWindow: ICefWindow;
begin
Result := TCefWindowRef.UnWrap(PCefOverlayController(FData)^.get_window(PCefOverlayController(FData)));
end;
function TCefOverlayControllerRef.GetDockingMode: TCefDockingMode;
begin
Result := PCefOverlayController(FData)^.get_docking_mode(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.DestroyOverlay;
begin
PCefOverlayController(FData)^.destroy(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SetBounds(const bounds: TCefRect);
begin
PCefOverlayController(FData)^.set_bounds(PCefOverlayController(FData), @bounds);
end;
function TCefOverlayControllerRef.GetBounds: TCefRect;
begin
Result := PCefOverlayController(FData)^.get_bounds(PCefOverlayController(FData));
end;
function TCefOverlayControllerRef.GetBoundsInScreen: TCefRect;
begin
Result := PCefOverlayController(FData)^.get_bounds_in_screen(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SetSize(const size: TCefSize);
begin
PCefOverlayController(FData)^.set_size(PCefOverlayController(FData), @size);
end;
function TCefOverlayControllerRef.GetSize: TCefSize;
begin
Result := PCefOverlayController(FData)^.get_size(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SetPosition(const position: TCefPoint);
begin
PCefOverlayController(FData)^.set_position(PCefOverlayController(FData), @position);
end;
function TCefOverlayControllerRef.GetPosition: TCefPoint;
begin
Result := PCefOverlayController(FData)^.get_position(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SetInsets(const insets: TCefInsets);
begin
PCefOverlayController(FData)^.set_insets(PCefOverlayController(FData), @insets);
end;
function TCefOverlayControllerRef.GetInsets: TCefInsets;
begin
Result := PCefOverlayController(FData)^.get_insets(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SizeToPreferredSize;
begin
PCefOverlayController(FData)^.size_to_preferred_size(PCefOverlayController(FData));
end;
procedure TCefOverlayControllerRef.SetVisible(visible: boolean);
begin
PCefOverlayController(FData)^.set_visible(PCefOverlayController(FData), ord(visible));
end;
function TCefOverlayControllerRef.IsVisible: boolean;
begin
Result := PCefOverlayController(FData)^.is_visible(PCefOverlayController(FData)) <> 0;
end;
function TCefOverlayControllerRef.IsDrawn: boolean;
begin
Result := PCefOverlayController(FData)^.is_drawn(PCefOverlayController(FData)) <> 0;
end;
class function TCefOverlayControllerRef.UnWrap(data: Pointer): ICefOverlayController;
begin
if (data <> nil) then
Result := Create(data) as ICefOverlayController
else
Result := nil;
end;
end.