Class TCefDisplayHandlerOwn

Description
Hierarchy
Fields
Methods
Properties

Unit

uCEFDisplayHandler

Declaration

type TCefDisplayHandlerOwn = class(TCefBaseRefCountedOwn, ICefDisplayHandler)

Description

Event handler related to browser display state. The functions of this interface will be called on the UI thread.

<see href="https://bitbucket.org/chromiumembedded/cef/src/master/include/capi/cef_display_handler_capi.h">CEF source file: /include/capi/cef_display_handler_capi.h (cef_display_handler_t))

Hierarchy

Overview

Methods

Protected procedure OnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); virtual;
Protected procedure OnTitleChange(const browser: ICefBrowser; const title: ustring); virtual;
Protected procedure OnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings); virtual;
Protected procedure OnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); virtual;
Protected function OnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; virtual;
Protected procedure OnStatusMessage(const browser: ICefBrowser; const value: ustring); virtual;
Protected function OnConsoleMessage(const browser: ICefBrowser; level: TCefLogSeverity; const message_, source: ustring; line: Integer): Boolean; virtual;
Protected function OnAutoResize(const browser: ICefBrowser; const new_size: PCefSize): Boolean; virtual;
Protected procedure OnLoadingProgressChange(const browser: ICefBrowser; const progress: double); virtual;
Protected procedure OnCursorChange(const browser: ICefBrowser; cursor_: TCefCursorHandle; CursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo; var aResult : boolean); virtual;
Protected procedure OnMediaAccessChange(const browser: ICefBrowser; has_video_access, has_audio_access: boolean); virtual;
Protected procedure RemoveReferences; virtual;
Public constructor Create; virtual;

Description

Methods

Protected procedure OnAddressChange(const browser: ICefBrowser; const frame: ICefFrame; const url: ustring); virtual;

Called when a frame's address has changed.

Protected procedure OnTitleChange(const browser: ICefBrowser; const title: ustring); virtual;

Called when the page title changes.

Protected procedure OnFaviconUrlChange(const browser: ICefBrowser; const iconUrls: TStrings); virtual;

Called when the page icon changes.

Protected procedure OnFullScreenModeChange(const browser: ICefBrowser; fullscreen: Boolean); virtual;

Called when web content in the page has toggled fullscreen mode. If |fullscreen| is true (1) the content will automatically be sized to fill the browser content area. If |fullscreen| is false (0) the content will automatically return to its original size and position. With Alloy style the client is responsible for triggering the fullscreen transition (for example, by calling ICefWindow.SetFullscreen when using Views). With Chrome style the fullscreen transition will be triggered automatically. The ICefWindowDelegate.OnWindowFullscreenTransition function will be called during the fullscreen transition for notification purposes.

Protected function OnTooltip(const browser: ICefBrowser; var text: ustring): Boolean; virtual;

Called when the browser is about to display a tooltip. |text| contains the text that will be displayed in the tooltip. To handle the display of the tooltip yourself return true (1). Otherwise, you can optionally modify |text| and then return false (0) to allow the browser to display the tooltip. When window rendering is disabled the application is responsible for drawing tooltips and the return value is ignored.

Protected procedure OnStatusMessage(const browser: ICefBrowser; const value: ustring); virtual;

Called when the browser receives a status message. |value| contains the text that will be displayed in the status message.

Protected function OnConsoleMessage(const browser: ICefBrowser; level: TCefLogSeverity; const message_, source: ustring; line: Integer): Boolean; virtual;

Called to display a console message. Return true (1) to stop the message from being output to the console.

Protected function OnAutoResize(const browser: ICefBrowser; const new_size: PCefSize): Boolean; virtual;

Called when auto-resize is enabled via ICefBrowserHost.SetAutoResizeEnabled and the contents have auto- resized. |new_size| will be the desired size in view coordinates. Return true (1) if the resize was handled or false (0) for default handling.

Protected procedure OnLoadingProgressChange(const browser: ICefBrowser; const progress: double); virtual;

Called when the overall page loading progress has changed. |progress| ranges from 0.0 to 1.0.

Protected procedure OnCursorChange(const browser: ICefBrowser; cursor_: TCefCursorHandle; CursorType: TCefCursorType; const customCursorInfo: PCefCursorInfo; var aResult : boolean); virtual;

Called when the browser's cursor has changed. If |type| is CT_CUSTOM then |custom_cursor_info| will be populated with the custom cursor information. Return true (1) if the cursor change was handled or false (0) for default handling.

Protected procedure OnMediaAccessChange(const browser: ICefBrowser; has_video_access, has_audio_access: boolean); virtual;

Called when the browser's access to an audio and/or video source has changed.

Protected procedure RemoveReferences; virtual;

Custom procedure to clear all references.

Public constructor Create; virtual;

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