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// more information.
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// $hash=7ecfb07a95315ff81937e9f68d419122fc88f1b7$
//

#ifndef CEF_INCLUDE_CAPI_CEF_DOWNLOAD_HANDLER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_DOWNLOAD_HANDLER_CAPI_H_
#pragma once

#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_browser_capi.h"
#include "include/capi/cef_download_item_capi.h"

#ifdef __cplusplus
extern "C" {
#endif

///
/// Callback structure used to asynchronously continue a download.
///
typedef struct _cef_before_download_callback_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Call to continue the download. Set |download_path| to the full file path
  /// for the download including the file name or leave blank to use the
  /// suggested name and the default temp directory. Set |show_dialog| to true
  /// (1) if you do wish to show the default "Save As" dialog.
  ///
  void(CEF_CALLBACK* cont)(struct _cef_before_download_callback_t* self,
                           const cef_string_t* download_path,
                           int show_dialog);
} cef_before_download_callback_t;

///
/// Callback structure used to asynchronously cancel a download.
///
typedef struct _cef_download_item_callback_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Call to cancel the download.
  ///
  void(CEF_CALLBACK* cancel)(struct _cef_download_item_callback_t* self);

  ///
  /// Call to pause the download.
  ///
  void(CEF_CALLBACK* pause)(struct _cef_download_item_callback_t* self);

  ///
  /// Call to resume the download.
  ///
  void(CEF_CALLBACK* resume)(struct _cef_download_item_callback_t* self);
} cef_download_item_callback_t;

///
/// Structure used to handle file downloads. The functions of this structure
/// will called on the browser process UI thread.
///
typedef struct _cef_download_handler_t {
  ///
  /// Base structure.
  ///
  cef_base_ref_counted_t base;

  ///
  /// Called before a download begins in response to a user-initiated action
  /// (e.g. alt + link click or link click that returns a `Content-Disposition:
  /// attachment` response from the server). |url| is the target download URL
  /// and |request_function| is the target function (GET, POST, etc). Return
  /// true (1) to proceed with the download or false (0) to cancel the download.
  ///
  int(CEF_CALLBACK* can_download)(struct _cef_download_handler_t* self,
                                  struct _cef_browser_t* browser,
                                  const cef_string_t* url,
                                  const cef_string_t* request_method);

  ///
  /// Called before a download begins. |suggested_name| is the suggested name
  /// for the download file. Return true (1) and execute |callback| either
  /// asynchronously or in this function to continue or cancel the download.
  /// Return false (0) to proceed with default handling (cancel with Alloy
  /// style, download shelf with Chrome style). Do not keep a reference to
  /// |download_item| outside of this function.
  ///
  int(CEF_CALLBACK* on_before_download)(
      struct _cef_download_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_download_item_t* download_item,
      const cef_string_t* suggested_name,
      struct _cef_before_download_callback_t* callback);

  ///
  /// Called when a download's status or progress information has been updated.
  /// This may be called multiple times before and after on_before_download().
  /// Execute |callback| either asynchronously or in this function to cancel the
  /// download if desired. Do not keep a reference to |download_item| outside of
  /// this function.
  ///
  void(CEF_CALLBACK* on_download_updated)(
      struct _cef_download_handler_t* self,
      struct _cef_browser_t* browser,
      struct _cef_download_item_t* download_item,
      struct _cef_download_item_callback_t* callback);
} cef_download_handler_t;

#ifdef __cplusplus
}
#endif

#endif  // CEF_INCLUDE_CAPI_CEF_DOWNLOAD_HANDLER_CAPI_H_
