git.sesse.net Git - nageru/blob - nageru_cef_app.cpp

   1 #include <cef_app.h>
   2 #include <cef_browser.h>
   3 #include <cef_client.h>
   4 #include <cef_version.h>
   5 #include <QTimer>
   6 #include <QWidget>
   7
   8 #include "nageru_cef_app.h"
   9
  10 using namespace std;
  11
  12 void NageruCefApp::OnBeforeCommandLineProcessing(
  13         const CefString& process_type,
  14         CefRefPtr<CefCommandLine> command_line)
  15 {
  16         command_line->AppendSwitch("disable-gpu");
  17         command_line->AppendSwitch("disable-gpu-compositing");
  18         command_line->AppendSwitch("enable-begin-frame-scheduling");
  19 }
  20
  21 void NageruCefApp::OnBrowserDestroyed(CefRefPtr<CefBrowser> browser)
  22 {
  23         lock_guard<mutex> lock(cef_mutex);
  24         pending_browsers.erase(browser.get());
  25         browser_closed_cond.notify_all();
  26 }
  27
  28 void NageruCefApp::initialize_cef()
  29 {
  30         unique_lock<mutex> lock(cef_mutex);
  31         if (cef_thread_refcount++ == 0) {
  32                 cef_thread = thread(&NageruCefApp::cef_thread_func, this);
  33         }
  34         cef_initialized_cond.wait(lock, [this]{ return cef_initialized; });
  35 }
  36
  37 void NageruCefApp::close_browser(CefRefPtr<CefBrowser> browser)
  38 {
  39         unique_lock<mutex> lock(cef_mutex);
  40         CefBrowser *raw_ptr = browser.get();
  41         pending_browsers.insert(raw_ptr);
  42         browser->GetHost()->CloseBrowser(/*force_close=*/true);
  43         browser = nullptr;
  44         browser_closed_cond.wait(lock, [this, raw_ptr]{ return pending_browsers.count(raw_ptr) != 0; });
  45 }
  46
  47 void NageruCefApp::unref_cef()
  48 {
  49         unique_lock<mutex> lock(cef_mutex);
  50         if (--cef_thread_refcount == 0) {
  51                 CefPostTask(TID_UI, new CEFTaskAdapter(&CefQuitMessageLoop));
  52                 cef_thread.join();
  53         }
  54 }
  55
  56 void NageruCefApp::cef_thread_func()
  57 {
  58         CefMainArgs main_args;
  59         CefSettings settings;
  60         //settings.log_severity = LOGSEVERITY_VERBOSE;
  61         settings.windowless_rendering_enabled = true;
  62         settings.no_sandbox = true;
  63         settings.command_line_args_disabled = false;
  64         CefInitialize(main_args, settings, this, nullptr);
  65
  66         {
  67                 lock_guard<mutex> lock(cef_mutex);
  68                 cef_initialized = true;
  69         }
  70         cef_initialized_cond.notify_all();
  71
  72         CefRunMessageLoop();
  73
  74         CefShutdown();
  75 }
  76