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cef/include/capi/cef_browser_capi.h

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// Copyright (c) 2020 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.
//
// ---------------------------------------------------------------------------
//
// This file was generated by the CEF translator tool and should not edited
// by hand. See the translator.README.txt file in the tools directory for
// more information.
//
// $hash=6cb00a0fa3631a46903abb3a783f315895511db2$
//
#ifndef CEF_INCLUDE_CAPI_CEF_BROWSER_CAPI_H_
#define CEF_INCLUDE_CAPI_CEF_BROWSER_CAPI_H_
#pragma once
#include "include/capi/cef_base_capi.h"
#include "include/capi/cef_devtools_message_observer_capi.h"
#include "include/capi/cef_drag_data_capi.h"
#include "include/capi/cef_frame_capi.h"
#include "include/capi/cef_image_capi.h"
#include "include/capi/cef_navigation_entry_capi.h"
#include "include/capi/cef_registration_capi.h"
#include "include/capi/cef_request_context_capi.h"
#ifdef __cplusplus
extern "C" {
#endif
struct _cef_browser_host_t;
struct _cef_client_t;
///
// Structure used to represent a browser window. When used in the browser
// process the functions of this structure may be called on any thread unless
// otherwise indicated in the comments. When used in the render process the
// functions of this structure may only be called on the main thread.
///
typedef struct _cef_browser_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns the browser host object. This function can only be called in the
// browser process.
///
struct _cef_browser_host_t*(CEF_CALLBACK* get_host)(
struct _cef_browser_t* self);
///
// Returns true (1) if the browser can navigate backwards.
///
int(CEF_CALLBACK* can_go_back)(struct _cef_browser_t* self);
///
// Navigate backwards.
///
void(CEF_CALLBACK* go_back)(struct _cef_browser_t* self);
///
// Returns true (1) if the browser can navigate forwards.
///
int(CEF_CALLBACK* can_go_forward)(struct _cef_browser_t* self);
///
// Navigate forwards.
///
void(CEF_CALLBACK* go_forward)(struct _cef_browser_t* self);
///
// Returns true (1) if the browser is currently loading.
///
int(CEF_CALLBACK* is_loading)(struct _cef_browser_t* self);
///
// Reload the current page.
///
void(CEF_CALLBACK* reload)(struct _cef_browser_t* self);
///
// Reload the current page ignoring any cached data.
///
void(CEF_CALLBACK* reload_ignore_cache)(struct _cef_browser_t* self);
///
// Stop loading the page.
///
void(CEF_CALLBACK* stop_load)(struct _cef_browser_t* self);
///
// Returns the globally unique identifier for this browser. This value is also
// used as the tabId for extension APIs.
///
int(CEF_CALLBACK* get_identifier)(struct _cef_browser_t* self);
///
// Returns true (1) if this object is pointing to the same handle as |that|
// object.
///
int(CEF_CALLBACK* is_same)(struct _cef_browser_t* self,
struct _cef_browser_t* that);
///
// Returns true (1) if the window is a popup window.
///
int(CEF_CALLBACK* is_popup)(struct _cef_browser_t* self);
///
// Returns true (1) if a document has been loaded in the browser.
///
int(CEF_CALLBACK* has_document)(struct _cef_browser_t* self);
///
// Returns the main (top-level) frame for the browser window.
///
struct _cef_frame_t*(CEF_CALLBACK* get_main_frame)(
struct _cef_browser_t* self);
///
// Returns the focused frame for the browser window.
///
struct _cef_frame_t*(CEF_CALLBACK* get_focused_frame)(
struct _cef_browser_t* self);
///
// Returns the frame with the specified identifier, or NULL if not found.
///
struct _cef_frame_t*(CEF_CALLBACK* get_frame_byident)(
struct _cef_browser_t* self,
int64 identifier);
///
// Returns the frame with the specified name, or NULL if not found.
///
struct _cef_frame_t*(CEF_CALLBACK* get_frame)(struct _cef_browser_t* self,
const cef_string_t* name);
///
// Returns the number of frames that currently exist.
///
size_t(CEF_CALLBACK* get_frame_count)(struct _cef_browser_t* self);
///
// Returns the identifiers of all existing frames.
///
void(CEF_CALLBACK* get_frame_identifiers)(struct _cef_browser_t* self,
size_t* identifiersCount,
int64* identifiers);
///
// Returns the names of all existing frames.
///
void(CEF_CALLBACK* get_frame_names)(struct _cef_browser_t* self,
cef_string_list_t names);
} cef_browser_t;
///
// Callback structure for cef_browser_host_t::RunFileDialog. The functions of
// this structure will be called on the browser process UI thread.
///
typedef struct _cef_run_file_dialog_callback_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Called asynchronously after the file dialog is dismissed.
// |selected_accept_filter| is the 0-based index of the value selected from
// the accept filters array passed to cef_browser_host_t::RunFileDialog.
// |file_paths| will be a single value or a list of values depending on the
// dialog mode. If the selection was cancelled |file_paths| will be NULL.
///
void(CEF_CALLBACK* on_file_dialog_dismissed)(
struct _cef_run_file_dialog_callback_t* self,
int selected_accept_filter,
cef_string_list_t file_paths);
} cef_run_file_dialog_callback_t;
///
// Callback structure for cef_browser_host_t::GetNavigationEntries. The
// functions of this structure will be called on the browser process UI thread.
///
typedef struct _cef_navigation_entry_visitor_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Method that will be executed. Do not keep a reference to |entry| outside of
// this callback. Return true (1) to continue visiting entries or false (0) to
// stop. |current| is true (1) if this entry is the currently loaded
// navigation entry. |index| is the 0-based index of this entry and |total| is
// the total number of entries.
///
int(CEF_CALLBACK* visit)(struct _cef_navigation_entry_visitor_t* self,
struct _cef_navigation_entry_t* entry,
int current,
int index,
int total);
} cef_navigation_entry_visitor_t;
///
// Callback structure for cef_browser_host_t::PrintToPDF. The functions of this
// structure will be called on the browser process UI thread.
///
typedef struct _cef_pdf_print_callback_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Method that will be executed when the PDF printing has completed. |path| is
// the output path. |ok| will be true (1) if the printing completed
// successfully or false (0) otherwise.
///
void(CEF_CALLBACK* on_pdf_print_finished)(
struct _cef_pdf_print_callback_t* self,
const cef_string_t* path,
int ok);
} cef_pdf_print_callback_t;
///
// Callback structure for cef_browser_host_t::DownloadImage. The functions of
// this structure will be called on the browser process UI thread.
///
typedef struct _cef_download_image_callback_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Method that will be executed when the image download has completed.
// |image_url| is the URL that was downloaded and |http_status_code| is the
// resulting HTTP status code. |image| is the resulting image, possibly at
// multiple scale factors, or NULL if the download failed.
///
void(CEF_CALLBACK* on_download_image_finished)(
struct _cef_download_image_callback_t* self,
const cef_string_t* image_url,
int http_status_code,
struct _cef_image_t* image);
} cef_download_image_callback_t;
///
// Structure used to represent the browser process aspects of a browser window.
// The functions of this structure can only be called in the browser process.
// They may be called on any thread in that process unless otherwise indicated
// in the comments.
///
typedef struct _cef_browser_host_t {
///
// Base structure.
///
cef_base_ref_counted_t base;
///
// Returns the hosted browser object.
///
struct _cef_browser_t*(CEF_CALLBACK* get_browser)(
struct _cef_browser_host_t* self);
///
// Request that the browser close. The JavaScript 'onbeforeunload' event will
// be fired. If |force_close| is false (0) the event handler, if any, will be
// allowed to prompt the user and the user can optionally cancel the close. If
// |force_close| is true (1) the prompt will not be displayed and the close
// will proceed. Results in a call to cef_life_span_handler_t::do_close() if
// the event handler allows the close or if |force_close| is true (1). See
// cef_life_span_handler_t::do_close() documentation for additional usage
// information.
///
void(CEF_CALLBACK* close_browser)(struct _cef_browser_host_t* self,
int force_close);
///
// Helper for closing a browser. Call this function from the top-level window
// close handler. Internally this calls CloseBrowser(false (0)) if the close
// has not yet been initiated. This function returns false (0) while the close
// is pending and true (1) after the close has completed. See close_browser()
// and cef_life_span_handler_t::do_close() documentation for additional usage
// information. This function must be called on the browser process UI thread.
///
int(CEF_CALLBACK* try_close_browser)(struct _cef_browser_host_t* self);
///
// Set whether the browser is focused.
///
void(CEF_CALLBACK* set_focus)(struct _cef_browser_host_t* self, int focus);
///
// Retrieve the window handle for this browser. If this browser is wrapped in
// a cef_browser_view_t this function should be called on the browser process
// UI thread and it will return the handle for the top-level native window.
///
cef_window_handle_t(CEF_CALLBACK* get_window_handle)(
struct _cef_browser_host_t* self);
///
// Retrieve the window handle of the browser that opened this browser. Will
// return NULL for non-popup windows or if this browser is wrapped in a
// cef_browser_view_t. This function can be used in combination with custom
// handling of modal windows.
///
cef_window_handle_t(CEF_CALLBACK* get_opener_window_handle)(
struct _cef_browser_host_t* self);
///
// Returns true (1) if this browser is wrapped in a cef_browser_view_t.
///
int(CEF_CALLBACK* has_view)(struct _cef_browser_host_t* self);
///
// Returns the client for this browser.
///
struct _cef_client_t*(CEF_CALLBACK* get_client)(
struct _cef_browser_host_t* self);
///
// Returns the request context for this browser.
///
struct _cef_request_context_t*(CEF_CALLBACK* get_request_context)(
struct _cef_browser_host_t* self);
///
// Get the current zoom level. The default zoom level is 0.0. This function
// can only be called on the UI thread.
///
double(CEF_CALLBACK* get_zoom_level)(struct _cef_browser_host_t* self);
///
// Change the zoom level to the specified value. Specify 0.0 to reset the zoom
// level. If called on the UI thread the change will be applied immediately.
// Otherwise, the change will be applied asynchronously on the UI thread.
///
void(CEF_CALLBACK* set_zoom_level)(struct _cef_browser_host_t* self,
double zoomLevel);
///
// Call to run a file chooser dialog. Only a single file chooser dialog may be
// pending at any given time. |mode| represents the type of dialog to display.
// |title| to the title to be used for the dialog and may be NULL to show the
// default title ("Open" or "Save" depending on the mode). |default_file_path|
// is the path with optional directory and/or file name component that will be
// initially selected in the dialog. |accept_filters| are used to restrict the
// selectable file types and may any combination of (a) valid lower-cased MIME
// types (e.g. "text/*" or "image/*"), (b) individual file extensions (e.g.
// ".txt" or ".png"), or (c) combined description and file extension delimited
// using "|" and ";" (e.g. "Image Types|.png;.gif;.jpg").
// |selected_accept_filter| is the 0-based index of the filter that will be
// selected by default. |callback| will be executed after the dialog is
// dismissed or immediately if another dialog is already pending. The dialog
// will be initiated asynchronously on the UI thread.
///
void(CEF_CALLBACK* run_file_dialog)(
struct _cef_browser_host_t* self,
cef_file_dialog_mode_t mode,
const cef_string_t* title,
const cef_string_t* default_file_path,
cef_string_list_t accept_filters,
int selected_accept_filter,
struct _cef_run_file_dialog_callback_t* callback);
///
// Download the file at |url| using cef_download_handler_t.
///
void(CEF_CALLBACK* start_download)(struct _cef_browser_host_t* self,
const cef_string_t* url);
///
// Download |image_url| and execute |callback| on completion with the images
// received from the renderer. If |is_favicon| is true (1) then cookies are
// not sent and not accepted during download. Images with density independent
// pixel (DIP) sizes larger than |max_image_size| are filtered out from the
// image results. Versions of the image at different scale factors may be
// downloaded up to the maximum scale factor supported by the system. If there
// are no image results <= |max_image_size| then the smallest image is resized
// to |max_image_size| and is the only result. A |max_image_size| of 0 means
// unlimited. If |bypass_cache| is true (1) then |image_url| is requested from
// the server even if it is present in the browser cache.
///
void(CEF_CALLBACK* download_image)(
struct _cef_browser_host_t* self,
const cef_string_t* image_url,
int is_favicon,
uint32 max_image_size,
int bypass_cache,
struct _cef_download_image_callback_t* callback);
///
// Print the current browser contents.
///
void(CEF_CALLBACK* print)(struct _cef_browser_host_t* self);
///
// Print the current browser contents to the PDF file specified by |path| and
// execute |callback| on completion. The caller is responsible for deleting
// |path| when done. For PDF printing to work on Linux you must implement the
// cef_print_handler_t::GetPdfPaperSize function.
///
void(CEF_CALLBACK* print_to_pdf)(
struct _cef_browser_host_t* self,
const cef_string_t* path,
const struct _cef_pdf_print_settings_t* settings,
struct _cef_pdf_print_callback_t* callback);
///
// Search for |searchText|. |identifier| must be a unique ID and these IDs
// must strictly increase so that newer requests always have greater IDs than
// older requests. If |identifier| is zero or less than the previous ID value
// then it will be automatically assigned a new valid ID. |forward| indicates
// whether to search forward or backward within the page. |matchCase|
// indicates whether the search should be case-sensitive. |findNext| indicates
// whether this is the first request or a follow-up. The cef_find_handler_t
// instance, if any, returned via cef_client_t::GetFindHandler will be called
// to report find results.
///
void(CEF_CALLBACK* find)(struct _cef_browser_host_t* self,
int identifier,
const cef_string_t* searchText,
int forward,
int matchCase,
int findNext);
///
// Cancel all searches that are currently going on.
///
void(CEF_CALLBACK* stop_finding)(struct _cef_browser_host_t* self,
int clearSelection);
///
// Open developer tools (DevTools) in its own browser. The DevTools browser
// will remain associated with this browser. If the DevTools browser is
// already open then it will be focused, in which case the |windowInfo|,
// |client| and |settings| parameters will be ignored. If |inspect_element_at|
// is non-NULL then the element at the specified (x,y) location will be
// inspected. The |windowInfo| parameter will be ignored if this browser is
// wrapped in a cef_browser_view_t.
///
void(CEF_CALLBACK* show_dev_tools)(
struct _cef_browser_host_t* self,
const struct _cef_window_info_t* windowInfo,
struct _cef_client_t* client,
const struct _cef_browser_settings_t* settings,
const cef_point_t* inspect_element_at);
///
// Explicitly close the associated DevTools browser, if any.
///
void(CEF_CALLBACK* close_dev_tools)(struct _cef_browser_host_t* self);
///
// Returns true (1) if this browser currently has an associated DevTools
// browser. Must be called on the browser process UI thread.
///
int(CEF_CALLBACK* has_dev_tools)(struct _cef_browser_host_t* self);
///
// Send a function call message over the DevTools protocol. |message| must be
// a UTF8-encoded JSON dictionary that contains "id" (int), "function"
// (string) and "params" (dictionary, optional) values. See the DevTools
// protocol documentation at https://chromedevtools.github.io/devtools-
// protocol/ for details of supported functions and the expected "params"
// dictionary contents. |message| will be copied if necessary. This function
// will return true (1) if called on the UI thread and the message was
// successfully submitted for validation, otherwise false (0). Validation will
// be applied asynchronously and any messages that fail due to formatting
// errors or missing parameters may be discarded without notification. Prefer
// ExecuteDevToolsMethod if a more structured approach to message formatting
// is desired.
//
// Every valid function call will result in an asynchronous function result or
// error message that references the sent message "id". Event messages are
// received while notifications are enabled (for example, between function
// calls for "Page.enable" and "Page.disable"). All received messages will be
// delivered to the observer(s) registered with AddDevToolsMessageObserver.
// See cef_dev_tools_message_observer_t::OnDevToolsMessage documentation for
// details of received message contents.
//
// Usage of the SendDevToolsMessage, ExecuteDevToolsMethod and
// AddDevToolsMessageObserver functions does not require an active DevTools
// front-end or remote-debugging session. Other active DevTools sessions will
// continue to function independently. However, any modification of global
// browser state by one session may not be reflected in the UI of other
// sessions.
//
// Communication with the DevTools front-end (when displayed) can be logged
// for development purposes by passing the `--devtools-protocol-log-
// file=<path>` command-line flag.
///
int(CEF_CALLBACK* send_dev_tools_message)(struct _cef_browser_host_t* self,
const void* message,
size_t message_size);
///
// Execute a function call over the DevTools protocol. This is a more
// structured version of SendDevToolsMessage. |message_id| is an incremental
// number that uniquely identifies the message (pass 0 to have the next number
// assigned automatically based on previous values). |function| is the
// function name. |params| are the function parameters, which may be NULL. See
// the DevTools protocol documentation (linked above) for details of supported
// functions and the expected |params| dictionary contents. This function will
// return the assigned message ID if called on the UI thread and the message
// was successfully submitted for validation, otherwise 0. See the
// SendDevToolsMessage documentation for additional usage information.
///
int(CEF_CALLBACK* execute_dev_tools_method)(
struct _cef_browser_host_t* self,
int message_id,
const cef_string_t* method,
struct _cef_dictionary_value_t* params);
///
// Add an observer for DevTools protocol messages (function results and
// events). The observer will remain registered until the returned
// Registration object is destroyed. See the SendDevToolsMessage documentation
// for additional usage information.
///
struct _cef_registration_t*(CEF_CALLBACK* add_dev_tools_message_observer)(
struct _cef_browser_host_t* self,
struct _cef_dev_tools_message_observer_t* observer);
///
// Retrieve a snapshot of current navigation entries as values sent to the
// specified visitor. If |current_only| is true (1) only the current
// navigation entry will be sent, otherwise all navigation entries will be
// sent.
///
void(CEF_CALLBACK* get_navigation_entries)(
struct _cef_browser_host_t* self,
struct _cef_navigation_entry_visitor_t* visitor,
int current_only);
///
// Set whether mouse cursor change is disabled.
///
void(CEF_CALLBACK* set_mouse_cursor_change_disabled)(
struct _cef_browser_host_t* self,
int disabled);
///
// Returns true (1) if mouse cursor change is disabled.
///
int(CEF_CALLBACK* is_mouse_cursor_change_disabled)(
struct _cef_browser_host_t* self);
///
// If a misspelled word is currently selected in an editable node calling this
// function will replace it with the specified |word|.
///
void(CEF_CALLBACK* replace_misspelling)(struct _cef_browser_host_t* self,
const cef_string_t* word);
///
// Add the specified |word| to the spelling dictionary.
///
void(CEF_CALLBACK* add_word_to_dictionary)(struct _cef_browser_host_t* self,
const cef_string_t* word);
///
// Returns true (1) if window rendering is disabled.
///
int(CEF_CALLBACK* is_window_rendering_disabled)(
struct _cef_browser_host_t* self);
///
// Notify the browser that the widget has been resized. The browser will first
// call cef_render_handler_t::GetViewRect to get the new size and then call
// cef_render_handler_t::OnPaint asynchronously with the updated regions. This
// function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* was_resized)(struct _cef_browser_host_t* self);
///
// Notify the browser that it has been hidden or shown. Layouting and
// cef_render_handler_t::OnPaint notification will stop when the browser is
// hidden. This function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* was_hidden)(struct _cef_browser_host_t* self, int hidden);
///
// Send a notification to the browser that the screen info has changed. The
// browser will then call cef_render_handler_t::GetScreenInfo to update the
// screen information with the new values. This simulates moving the webview
// window from one display to another, or changing the properties of the
// current display. This function is only used when window rendering is
// disabled.
///
void(CEF_CALLBACK* notify_screen_info_changed)(
struct _cef_browser_host_t* self);
///
// Invalidate the view. The browser will call cef_render_handler_t::OnPaint
// asynchronously. This function is only used when window rendering is
// disabled.
///
void(CEF_CALLBACK* invalidate)(struct _cef_browser_host_t* self,
cef_paint_element_type_t type);
///
// Issue a BeginFrame request to Chromium. Only valid when
// cef_window_tInfo::external_begin_frame_enabled is set to true (1).
///
void(CEF_CALLBACK* send_external_begin_frame)(
struct _cef_browser_host_t* self);
///
// Send a key event to the browser.
///
void(CEF_CALLBACK* send_key_event)(struct _cef_browser_host_t* self,
const struct _cef_key_event_t* event);
///
// Send a mouse click event to the browser. The |x| and |y| coordinates are
// relative to the upper-left corner of the view.
///
void(CEF_CALLBACK* send_mouse_click_event)(
struct _cef_browser_host_t* self,
const struct _cef_mouse_event_t* event,
cef_mouse_button_type_t type,
int mouseUp,
int clickCount);
///
// Send a mouse move event to the browser. The |x| and |y| coordinates are
// relative to the upper-left corner of the view.
///
void(CEF_CALLBACK* send_mouse_move_event)(
struct _cef_browser_host_t* self,
const struct _cef_mouse_event_t* event,
int mouseLeave);
///
// Send a mouse wheel event to the browser. The |x| and |y| coordinates are
// relative to the upper-left corner of the view. The |deltaX| and |deltaY|
// values represent the movement delta in the X and Y directions respectively.
// In order to scroll inside select popups with window rendering disabled
// cef_render_handler_t::GetScreenPoint should be implemented properly.
///
void(CEF_CALLBACK* send_mouse_wheel_event)(
struct _cef_browser_host_t* self,
const struct _cef_mouse_event_t* event,
int deltaX,
int deltaY);
///
// Send a touch event to the browser for a windowless browser.
///
void(CEF_CALLBACK* send_touch_event)(struct _cef_browser_host_t* self,
const struct _cef_touch_event_t* event);
///
// Send a focus event to the browser.
///
void(CEF_CALLBACK* send_focus_event)(struct _cef_browser_host_t* self,
int setFocus);
///
// Send a capture lost event to the browser.
///
void(CEF_CALLBACK* send_capture_lost_event)(struct _cef_browser_host_t* self);
///
// Notify the browser that the window hosting it is about to be moved or
// resized. This function is only used on Windows and Linux.
///
void(CEF_CALLBACK* notify_move_or_resize_started)(
struct _cef_browser_host_t* self);
///
// Returns the maximum rate in frames per second (fps) that
// cef_render_handler_t:: OnPaint will be called for a windowless browser. The
// actual fps may be lower if the browser cannot generate frames at the
// requested rate. The minimum value is 1 and the maximum value is 60 (default
// 30). This function can only be called on the UI thread.
///
int(CEF_CALLBACK* get_windowless_frame_rate)(
struct _cef_browser_host_t* self);
///
// Set the maximum rate in frames per second (fps) that cef_render_handler_t::
// OnPaint will be called for a windowless browser. The actual fps may be
// lower if the browser cannot generate frames at the requested rate. The
// minimum value is 1 and the maximum value is 60 (default 30). Can also be
// set at browser creation via cef_browser_tSettings.windowless_frame_rate.
///
void(CEF_CALLBACK* set_windowless_frame_rate)(
struct _cef_browser_host_t* self,
int frame_rate);
///
// Begins a new composition or updates the existing composition. Blink has a
// special node (a composition node) that allows the input function to change
// text without affecting other DOM nodes. |text| is the optional text that
// will be inserted into the composition node. |underlines| is an optional set
// of ranges that will be underlined in the resulting text.
// |replacement_range| is an optional range of the existing text that will be
// replaced. |selection_range| is an optional range of the resulting text that
// will be selected after insertion or replacement. The |replacement_range|
// value is only used on OS X.
//
// This function may be called multiple times as the composition changes. When
// the client is done making changes the composition should either be canceled
// or completed. To cancel the composition call ImeCancelComposition. To
// complete the composition call either ImeCommitText or
// ImeFinishComposingText. Completion is usually signaled when:
// A. The client receives a WM_IME_COMPOSITION message with a GCS_RESULTSTR
// flag (on Windows), or;
// B. The client receives a "commit" signal of GtkIMContext (on Linux), or;
// C. insertText of NSTextInput is called (on Mac).
//
// This function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* ime_set_composition)(
struct _cef_browser_host_t* self,
const cef_string_t* text,
size_t underlinesCount,
cef_composition_underline_t const* underlines,
const cef_range_t* replacement_range,
const cef_range_t* selection_range);
///
// Completes the existing composition by optionally inserting the specified
// |text| into the composition node. |replacement_range| is an optional range
// of the existing text that will be replaced. |relative_cursor_pos| is where
// the cursor will be positioned relative to the current cursor position. See
// comments on ImeSetComposition for usage. The |replacement_range| and
// |relative_cursor_pos| values are only used on OS X. This function is only
// used when window rendering is disabled.
///
void(CEF_CALLBACK* ime_commit_text)(struct _cef_browser_host_t* self,
const cef_string_t* text,
const cef_range_t* replacement_range,
int relative_cursor_pos);
///
// Completes the existing composition by applying the current composition node
// contents. If |keep_selection| is false (0) the current selection, if any,
// will be discarded. See comments on ImeSetComposition for usage. This
// function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* ime_finish_composing_text)(
struct _cef_browser_host_t* self,
int keep_selection);
///
// Cancels the existing composition and discards the composition node contents
// without applying them. See comments on ImeSetComposition for usage. This
// function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* ime_cancel_composition)(struct _cef_browser_host_t* self);
///
// Call this function when the user drags the mouse into the web view (before
// calling DragTargetDragOver/DragTargetLeave/DragTargetDrop). |drag_data|
// should not contain file contents as this type of data is not allowed to be
// dragged into the web view. File contents can be removed using
// cef_drag_data_t::ResetFileContents (for example, if |drag_data| comes from
// cef_render_handler_t::StartDragging). This function is only used when
// window rendering is disabled.
///
void(CEF_CALLBACK* drag_target_drag_enter)(
struct _cef_browser_host_t* self,
struct _cef_drag_data_t* drag_data,
const struct _cef_mouse_event_t* event,
cef_drag_operations_mask_t allowed_ops);
///
// Call this function each time the mouse is moved across the web view during
// a drag operation (after calling DragTargetDragEnter and before calling
// DragTargetDragLeave/DragTargetDrop). This function is only used when window
// rendering is disabled.
///
void(CEF_CALLBACK* drag_target_drag_over)(
struct _cef_browser_host_t* self,
const struct _cef_mouse_event_t* event,
cef_drag_operations_mask_t allowed_ops);
///
// Call this function when the user drags the mouse out of the web view (after
// calling DragTargetDragEnter). This function is only used when window
// rendering is disabled.
///
void(CEF_CALLBACK* drag_target_drag_leave)(struct _cef_browser_host_t* self);
///
// Call this function when the user completes the drag operation by dropping
// the object onto the web view (after calling DragTargetDragEnter). The
// object being dropped is |drag_data|, given as an argument to the previous
// DragTargetDragEnter call. This function is only used when window rendering
// is disabled.
///
void(CEF_CALLBACK* drag_target_drop)(struct _cef_browser_host_t* self,
const struct _cef_mouse_event_t* event);
///
// Call this function when the drag operation started by a
// cef_render_handler_t::StartDragging call has ended either in a drop or by
// being cancelled. |x| and |y| are mouse coordinates relative to the upper-
// left corner of the view. If the web view is both the drag source and the
// drag target then all DragTarget* functions should be called before
// DragSource* mthods. This function is only used when window rendering is
// disabled.
///
void(CEF_CALLBACK* drag_source_ended_at)(struct _cef_browser_host_t* self,
int x,
int y,
cef_drag_operations_mask_t op);
///
// Call this function when the drag operation started by a
// cef_render_handler_t::StartDragging call has completed. This function may
// be called immediately without first calling DragSourceEndedAt to cancel a
// drag operation. If the web view is both the drag source and the drag target
// then all DragTarget* functions should be called before DragSource* mthods.
// This function is only used when window rendering is disabled.
///
void(CEF_CALLBACK* drag_source_system_drag_ended)(
struct _cef_browser_host_t* self);
///
// Returns the current visible navigation entry for this browser. This
// function can only be called on the UI thread.
///
struct _cef_navigation_entry_t*(CEF_CALLBACK* get_visible_navigation_entry)(
struct _cef_browser_host_t* self);
///
// Set accessibility state for all frames. |accessibility_state| may be
// default, enabled or disabled. If |accessibility_state| is STATE_DEFAULT
// then accessibility will be disabled by default and the state may be further
// controlled with the "force-renderer-accessibility" and "disable-renderer-
// accessibility" command-line switches. If |accessibility_state| is
// STATE_ENABLED then accessibility will be enabled. If |accessibility_state|
// is STATE_DISABLED then accessibility will be completely disabled.
//
// For windowed browsers accessibility will be enabled in Complete mode (which
// corresponds to kAccessibilityModeComplete in Chromium). In this mode all
// platform accessibility objects will be created and managed by Chromium's
// internal implementation. The client needs only to detect the screen reader
// and call this function appropriately. For example, on macOS the client can
// handle the @"AXEnhancedUserStructure" accessibility attribute to detect
// VoiceOver state changes and on Windows the client can handle WM_GETOBJECT
// with OBJID_CLIENT to detect accessibility readers.
//
// For windowless browsers accessibility will be enabled in TreeOnly mode
// (which corresponds to kAccessibilityModeWebContentsOnly in Chromium). In
// this mode renderer accessibility is enabled, the full tree is computed, and
// events are passed to CefAccessibiltyHandler, but platform accessibility
// objects are not created. The client may implement platform accessibility
// objects using CefAccessibiltyHandler callbacks if desired.
///
void(CEF_CALLBACK* set_accessibility_state)(struct _cef_browser_host_t* self,
cef_state_t accessibility_state);
///
// Enable notifications of auto resize via
// cef_display_handler_t::OnAutoResize. Notifications are disabled by default.
// |min_size| and |max_size| define the range of allowed sizes.
///
void(CEF_CALLBACK* set_auto_resize_enabled)(struct _cef_browser_host_t* self,
int enabled,
const cef_size_t* min_size,
const cef_size_t* max_size);
///
// Returns the extension hosted in this browser or NULL if no extension is
// hosted. See cef_request_context_t::LoadExtension for details.
///
struct _cef_extension_t*(CEF_CALLBACK* get_extension)(
struct _cef_browser_host_t* self);
///
// Returns true (1) if this browser is hosting an extension background script.
// Background hosts do not have a window and are not displayable. See
// cef_request_context_t::LoadExtension for details.
///
int(CEF_CALLBACK* is_background_host)(struct _cef_browser_host_t* self);
///
// Set whether the browser's audio is muted.
///
void(CEF_CALLBACK* set_audio_muted)(struct _cef_browser_host_t* self,
int mute);
///
// Returns true (1) if the browser's audio is muted. This function can only
// be called on the UI thread.
///
int(CEF_CALLBACK* is_audio_muted)(struct _cef_browser_host_t* self);
} cef_browser_host_t;
///
// Create a new browser window using the window parameters specified by
// |windowInfo|. All values will be copied internally and the actual window will
// be created on the UI thread. If |request_context| is NULL the global request
// context will be used. This function can be called on any browser process
// thread and will not block. The optional |extra_info| parameter provides an
// opportunity to specify extra information specific to the created browser that
// will be passed to cef_render_process_handler_t::on_browser_created() in the
// render process.
///
CEF_EXPORT int cef_browser_host_create_browser(
const cef_window_info_t* windowInfo,
struct _cef_client_t* client,
const cef_string_t* url,
const struct _cef_browser_settings_t* settings,
struct _cef_dictionary_value_t* extra_info,
struct _cef_request_context_t* request_context);
///
// Create a new browser window using the window parameters specified by
// |windowInfo|. If |request_context| is NULL the global request context will be
// used. This function can only be called on the browser process UI thread. The
// optional |extra_info| parameter provides an opportunity to specify extra
// information specific to the created browser that will be passed to
// cef_render_process_handler_t::on_browser_created() in the render process.
///
CEF_EXPORT cef_browser_t* cef_browser_host_create_browser_sync(
const cef_window_info_t* windowInfo,
struct _cef_client_t* client,
const cef_string_t* url,
const struct _cef_browser_settings_t* settings,
struct _cef_dictionary_value_t* extra_info,
struct _cef_request_context_t* request_context);
#ifdef __cplusplus
}
#endif
#endif // CEF_INCLUDE_CAPI_CEF_BROWSER_CAPI_H_
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