// Copyright (c) 2014 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. // #ifndef CEF_INCLUDE_CAPI_CEF_LIFE_SPAN_HANDLER_CAPI_H_ #define CEF_INCLUDE_CAPI_CEF_LIFE_SPAN_HANDLER_CAPI_H_ #pragma once #include "include/capi/cef_base_capi.h" #include "include/capi/cef_browser_capi.h" #ifdef __cplusplus extern "C" { #endif struct _cef_client_t; /// // Implement this structure to handle events related to browser life span. The // functions of this structure will be called on the UI thread unless otherwise // indicated. /// typedef struct _cef_life_span_handler_t { /// // Base structure. /// cef_base_t base; /// // Called on the IO thread before a new popup window is created. The |browser| // and |frame| parameters represent the source of the popup request. The // |target_url| and |target_frame_name| values may be NULL if none were // specified with the request. The |popupFeatures| structure contains // information about the requested popup window. To allow creation of the // popup window optionally modify |windowInfo|, |client|, |settings| and // |no_javascript_access| and return false (0). To cancel creation of the // popup window return true (1). The |client| and |settings| values will // default to the source browser's values. The |no_javascript_access| value // indicates whether the new browser window should be scriptable and in the // same process as the source browser. int (CEF_CALLBACK *on_before_popup)(struct _cef_life_span_handler_t* self, struct _cef_browser_t* browser, struct _cef_frame_t* frame, const cef_string_t* target_url, const cef_string_t* target_frame_name, const struct _cef_popup_features_t* popupFeatures, struct _cef_window_info_t* windowInfo, struct _cef_client_t** client, struct _cef_browser_settings_t* settings, int* no_javascript_access); /// // Called after a new browser is created. /// void (CEF_CALLBACK *on_after_created)(struct _cef_life_span_handler_t* self, struct _cef_browser_t* browser); /// // Called when a modal window is about to display and the modal loop should // begin running. Return false (0) to use the default modal loop // implementation or true (1) to use a custom implementation. /// int (CEF_CALLBACK *run_modal)(struct _cef_life_span_handler_t* self, struct _cef_browser_t* browser); /// // Called when a browser has recieved a request to close. This may result // directly from a call to cef_browser_host_t::close_browser() or indirectly // if the browser is a top-level OS window created by CEF and the user // attempts to close the window. This function will be called after the // JavaScript 'onunload' event has been fired. It will not be called for // browsers after the associated OS window has been destroyed (for those // browsers it is no longer possible to cancel the close). // // If CEF created an OS window for the browser returning false (0) will send // an OS close notification to the browser window's top-level owner (e.g. // WM_CLOSE on Windows, performClose: on OS-X and "delete_event" on Linux). If // no OS window exists (window rendering disabled) returning false (0) will // cause the browser object to be destroyed immediately. Return true (1) if // the browser is parented to another window and that other window needs to // receive close notification via some non-standard technique. // // If an application provides its own top-level window it should handle OS // close notifications by calling cef_browser_host_t::CloseBrowser(false (0)) // instead of immediately closing (see the example below). This gives CEF an // opportunity to process the 'onbeforeunload' event and optionally cancel the // close before do_close() is called. // // The cef_life_span_handler_t::on_before_close() function will be called // immediately before the browser object is destroyed. The application should // only exit after on_before_close() has been called for all existing // browsers. // // If the browser represents a modal window and a custom modal loop // implementation was provided in cef_life_span_handler_t::run_modal() this // callback should be used to restore the opener window to a usable state. // // By way of example consider what should happen during window close when the // browser is parented to an application-provided top-level OS window. 1. // User clicks the window close button which sends an OS close // notification (e.g. WM_CLOSE on Windows, performClose: on OS-X and // "delete_event" on Linux). // 2. Application's top-level window receives the close notification and: // A. Calls CefBrowserHost::CloseBrowser(false). // B. Cancels the window close. // 3. JavaScript 'onbeforeunload' handler executes and shows the close // confirmation dialog (which can be overridden via // CefJSDialogHandler::OnBeforeUnloadDialog()). // 4. User approves the close. 5. JavaScript 'onunload' handler executes. 6. // Application's do_close() handler is called. Application will: // A. Set a flag to indicate that the next close attempt will be allowed. // B. Return false. // 7. CEF sends an OS close notification. 8. Application's top-level window // receives the OS close notification and // allows the window to close based on the flag from #6B. // 9. Browser OS window is destroyed. 10. Application's // cef_life_span_handler_t::on_before_close() handler is called and // the browser object is destroyed. // 11. Application exits by calling cef_quit_message_loop() if no other // browsers // exist. /// int (CEF_CALLBACK *do_close)(struct _cef_life_span_handler_t* self, struct _cef_browser_t* browser); /// // Called just before a browser is destroyed. Release all references to the // browser object and do not attempt to execute any functions on the browser // object after this callback returns. If this is a modal window and a custom // modal loop implementation was provided in run_modal() this callback should // be used to exit the custom modal loop. See do_close() documentation for // additional usage information. /// void (CEF_CALLBACK *on_before_close)(struct _cef_life_span_handler_t* self, struct _cef_browser_t* browser); } cef_life_span_handler_t; #ifdef __cplusplus } #endif #endif // CEF_INCLUDE_CAPI_CEF_LIFE_SPAN_HANDLER_CAPI_H_