2012-04-03 03:34:16 +02:00
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// Copyright (c) 2012 The Chromium Embedded Framework Authors. All rights
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// reserved. Use of this source code is governed by a BSD-style license that can
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// be found in the LICENSE file.
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#include "libcef/browser/context.h"
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#include "libcef/browser/browser_host_impl.h"
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2012-12-30 12:17:49 +01:00
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#include "libcef/browser/browser_info.h"
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2015-11-17 19:20:13 +01:00
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#include "libcef/browser/browser_info_manager.h"
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2012-04-03 03:34:16 +02:00
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#include "libcef/browser/browser_main.h"
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#include "libcef/browser/browser_message_loop.h"
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2013-10-23 21:30:47 +02:00
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#include "libcef/browser/chrome_browser_process_stub.h"
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2012-04-03 03:34:16 +02:00
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#include "libcef/browser/thread_util.h"
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2012-10-18 00:45:49 +02:00
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#include "libcef/browser/trace_subscriber.h"
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2015-03-02 21:25:14 +01:00
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#include "libcef/common/cef_switches.h"
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2012-04-03 03:34:16 +02:00
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#include "libcef/common/main_delegate.h"
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2016-10-14 17:56:41 +02:00
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#include "libcef/common/widevine_loader.h"
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2013-02-02 01:21:59 +01:00
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#include "libcef/renderer/content_renderer_client.h"
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2012-04-03 03:34:16 +02:00
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2013-11-12 18:43:39 +01:00
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#include "base/base_switches.h"
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2012-04-03 03:34:16 +02:00
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#include "base/bind.h"
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#include "base/command_line.h"
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2013-11-12 18:43:39 +01:00
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#include "base/debug/debugger.h"
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2014-11-12 20:25:15 +01:00
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#include "base/files/file_util.h"
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2012-04-03 03:34:16 +02:00
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#include "base/synchronization/waitable_event.h"
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#include "content/public/app/content_main.h"
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#include "content/public/app/content_main_runner.h"
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2013-09-03 18:43:31 +02:00
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#include "content/public/browser/notification_service.h"
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#include "content/public/browser/notification_types.h"
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2013-02-02 01:21:59 +01:00
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#include "content/public/browser/render_process_host.h"
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2012-04-03 03:34:16 +02:00
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#include "content/public/common/content_switches.h"
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#include "ui/base/ui_base_switches.h"
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#if defined(OS_WIN)
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2016-10-17 20:14:44 +02:00
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#include "chrome_elf/chrome_elf_main.h"
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2015-11-10 21:18:16 +01:00
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#include "content/public/app/sandbox_helper_win.h"
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2016-10-17 20:14:44 +02:00
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#include "components/crash/content/app/crash_switches.h"
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#include "components/crash/content/app/crashpad.h"
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#include "components/crash/content/app/run_as_crashpad_handler_win.h"
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2012-08-04 02:59:58 +02:00
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#include "sandbox/win/src/sandbox_types.h"
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2012-04-03 03:34:16 +02:00
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#endif
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2013-09-03 20:06:25 +02:00
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namespace {
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2012-04-03 03:34:16 +02:00
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2013-09-03 20:06:25 +02:00
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CefContext* g_context = NULL;
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// Force shutdown when the process terminates if a context currently exists and
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// CefShutdown() has not been explicitly called.
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class CefForceShutdown {
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public:
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2013-10-23 21:30:47 +02:00
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~CefForceShutdown() {
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if (g_context) {
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g_context->Shutdown();
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delete g_context;
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g_context = NULL;
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}
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}
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2013-09-03 20:06:25 +02:00
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} g_force_shutdown;
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2016-01-28 17:10:36 +01:00
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#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
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// VS2013 only checks the existence of FMA3 instructions, not the enabled-ness
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// of them at the OS level (this is fixed in VS2015). We force off usage of
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// FMA3 instructions in the CRT to avoid using that path and hitting illegal
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// instructions when running on CPUs that support FMA3, but OSs that don't.
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void DisableFMA3() {
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static bool disabled = false;
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if (disabled)
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return;
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disabled = true;
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_set_FMA3_enable(0);
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}
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#endif // WIN && ARCH_CPU_X86_64
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2013-09-03 20:06:25 +02:00
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} // namespace
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2012-04-03 03:34:16 +02:00
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int CefExecuteProcess(const CefMainArgs& args,
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2013-11-15 19:47:02 +01:00
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CefRefPtr<CefApp> application,
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void* windows_sandbox_info) {
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2016-01-28 17:10:36 +01:00
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#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
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DisableFMA3();
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#endif
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2015-01-09 18:22:10 +01:00
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base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
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2012-04-03 03:34:16 +02:00
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#if defined(OS_WIN)
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command_line.ParseFromString(::GetCommandLineW());
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#else
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command_line.InitFromArgv(args.argc, args.argv);
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#endif
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2013-11-12 18:43:39 +01:00
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// Wait for the debugger as early in process initialization as possible.
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if (command_line.HasSwitch(switches::kWaitForDebugger))
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base::debug::WaitForDebugger(60, true);
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2012-04-03 03:34:16 +02:00
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// If no process type is specified then it represents the browser process and
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// we do nothing.
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std::string process_type =
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command_line.GetSwitchValueASCII(switches::kProcessType);
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if (process_type.empty())
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return -1;
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2016-10-17 20:14:44 +02:00
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#if defined(OS_WIN)
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if (process_type == crash_reporter::switches::kCrashpadHandler)
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return crash_reporter::RunAsCrashpadHandler(command_line);
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#endif
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2012-04-03 03:34:16 +02:00
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CefMainDelegate main_delegate(application);
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// Execute the secondary process.
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#if defined(OS_WIN)
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sandbox::SandboxInterfaceInfo sandbox_info = {0};
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2013-11-15 19:47:02 +01:00
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if (windows_sandbox_info == NULL) {
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content::InitializeSandboxInfo(&sandbox_info);
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windows_sandbox_info = &sandbox_info;
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}
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2012-04-03 03:34:16 +02:00
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2014-04-04 18:50:38 +02:00
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content::ContentMainParams params(&main_delegate);
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params.instance = args.instance;
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params.sandbox_info =
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static_cast<sandbox::SandboxInterfaceInfo*>(windows_sandbox_info);
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return content::ContentMain(params);
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2012-04-03 03:34:16 +02:00
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#else
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2014-04-04 18:50:38 +02:00
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content::ContentMainParams params(&main_delegate);
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params.argc = args.argc;
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params.argv = const_cast<const char**>(args.argv);
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return content::ContentMain(params);
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2012-04-03 03:34:16 +02:00
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#endif
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}
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bool CefInitialize(const CefMainArgs& args,
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const CefSettings& settings,
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2013-11-15 19:47:02 +01:00
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CefRefPtr<CefApp> application,
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void* windows_sandbox_info) {
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2016-01-28 17:10:36 +01:00
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#if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
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DisableFMA3();
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#endif
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2012-04-03 03:34:16 +02:00
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// Return true if the global context already exists.
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2013-09-03 20:06:25 +02:00
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if (g_context)
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2012-04-03 03:34:16 +02:00
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return true;
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if (settings.size != sizeof(cef_settings_t)) {
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NOTREACHED() << "invalid CefSettings structure size";
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return false;
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}
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2013-10-23 21:30:47 +02:00
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g_browser_process = new ChromeBrowserProcessStub();
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2012-04-03 03:34:16 +02:00
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// Create the new global context object.
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2013-09-03 20:06:25 +02:00
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g_context = new CefContext();
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2012-04-03 03:34:16 +02:00
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// Initialize the global context.
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2013-11-15 19:47:02 +01:00
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return g_context->Initialize(args, settings, application,
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windows_sandbox_info);
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2012-04-03 03:34:16 +02:00
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}
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void CefShutdown() {
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// Verify that the context is in a valid state.
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return;
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}
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// Must always be called on the same thread as Initialize.
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2013-09-03 20:06:25 +02:00
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if (!g_context->OnInitThread()) {
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2012-04-03 03:34:16 +02:00
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NOTREACHED() << "called on invalid thread";
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return;
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}
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// Shut down the global context. This will block until shutdown is complete.
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2013-09-03 20:06:25 +02:00
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g_context->Shutdown();
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2012-04-03 03:34:16 +02:00
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// Delete the global context object.
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2013-09-03 20:06:25 +02:00
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delete g_context;
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g_context = NULL;
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2012-04-03 03:34:16 +02:00
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}
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void CefDoMessageLoopWork() {
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// Verify that the context is in a valid state.
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return;
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}
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// Must always be called on the same thread as Initialize.
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2013-09-03 20:06:25 +02:00
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if (!g_context->OnInitThread()) {
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2012-04-03 03:34:16 +02:00
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NOTREACHED() << "called on invalid thread";
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return;
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}
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CefBrowserMessageLoop::current()->DoMessageLoopIteration();
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}
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void CefRunMessageLoop() {
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// Verify that the context is in a valid state.
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return;
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}
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// Must always be called on the same thread as Initialize.
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2013-09-03 20:06:25 +02:00
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if (!g_context->OnInitThread()) {
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2012-04-03 03:34:16 +02:00
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NOTREACHED() << "called on invalid thread";
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return;
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}
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CefBrowserMessageLoop::current()->RunMessageLoop();
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}
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void CefQuitMessageLoop() {
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// Verify that the context is in a valid state.
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return;
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}
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// Must always be called on the same thread as Initialize.
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2013-09-03 20:06:25 +02:00
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if (!g_context->OnInitThread()) {
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2012-04-03 03:34:16 +02:00
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NOTREACHED() << "called on invalid thread";
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return;
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}
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2015-11-10 21:18:16 +01:00
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CefBrowserMessageLoop::current()->QuitWhenIdle();
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2012-04-03 03:34:16 +02:00
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}
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2013-08-22 19:11:19 +02:00
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void CefSetOSModalLoop(bool osModalLoop) {
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#if defined(OS_WIN)
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// Verify that the context is in a valid state.
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if (!CONTEXT_STATE_VALID()) {
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NOTREACHED() << "context not valid";
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return;
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}
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if (CEF_CURRENTLY_ON_UIT())
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2013-08-23 16:34:43 +02:00
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base::MessageLoop::current()->set_os_modal_loop(osModalLoop);
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2013-08-22 19:11:19 +02:00
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else
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CEF_POST_TASK(CEF_UIT, base::Bind(CefSetOSModalLoop, osModalLoop));
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#endif // defined(OS_WIN)
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}
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2012-04-03 03:34:16 +02:00
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// CefContext
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CefContext::CefContext()
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: initialized_(false),
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shutting_down_(false),
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2012-11-20 21:08:36 +01:00
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init_thread_id_(0) {
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2012-04-03 03:34:16 +02:00
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}
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CefContext::~CefContext() {
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2013-09-03 20:06:25 +02:00
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}
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// static
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CefContext* CefContext::Get() {
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return g_context;
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2012-04-03 03:34:16 +02:00
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}
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bool CefContext::Initialize(const CefMainArgs& args,
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const CefSettings& settings,
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2013-11-15 19:47:02 +01:00
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CefRefPtr<CefApp> application,
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void* windows_sandbox_info) {
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2012-04-03 03:34:16 +02:00
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init_thread_id_ = base::PlatformThread::CurrentId();
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settings_ = settings;
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2012-04-11 20:00:55 +02:00
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#if !defined(OS_WIN)
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2012-04-03 03:34:16 +02:00
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if (settings.multi_threaded_message_loop) {
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2012-04-11 20:00:55 +02:00
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NOTIMPLEMENTED() << "multi_threaded_message_loop is not supported.";
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2012-04-03 03:34:16 +02:00
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return false;
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}
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2012-04-11 20:00:55 +02:00
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#endif
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2012-04-03 03:34:16 +02:00
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2016-10-17 20:14:44 +02:00
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#if defined(OS_WIN)
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// Signal Chrome Elf that Chrome has begun to start.
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SignalChromeElf();
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#endif
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2012-04-03 03:34:16 +02:00
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main_delegate_.reset(new CefMainDelegate(application));
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main_runner_.reset(content::ContentMainRunner::Create());
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2015-11-17 19:20:13 +01:00
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browser_info_manager_.reset(new CefBrowserInfoManager);
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2012-04-03 03:34:16 +02:00
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int exit_code;
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// Initialize the content runner.
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#if defined(OS_WIN)
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sandbox::SandboxInterfaceInfo sandbox_info = {0};
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2013-11-15 19:47:02 +01:00
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if (windows_sandbox_info == NULL) {
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content::InitializeSandboxInfo(&sandbox_info);
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windows_sandbox_info = &sandbox_info;
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settings_.no_sandbox = true;
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}
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2012-04-03 03:34:16 +02:00
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2014-04-04 18:50:38 +02:00
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content::ContentMainParams params(main_delegate_.get());
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params.instance = args.instance;
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params.sandbox_info =
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static_cast<sandbox::SandboxInterfaceInfo*>(windows_sandbox_info);
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exit_code = main_runner_->Initialize(params);
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2012-04-03 03:34:16 +02:00
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#else
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2014-04-04 18:50:38 +02:00
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content::ContentMainParams params(main_delegate_.get());
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params.argc = args.argc;
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params.argv = const_cast<const char**>(args.argv);
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exit_code = main_runner_->Initialize(params);
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2012-04-03 03:34:16 +02:00
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#endif
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DCHECK_LT(exit_code, 0);
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if (exit_code >= 0)
|
|
|
|
return false;
|
|
|
|
|
2012-06-19 18:29:49 +02:00
|
|
|
// Run the process. Results in a call to CefMainDelegate::RunProcess() which
|
|
|
|
// will create the browser runner and message loop without blocking.
|
2012-04-03 03:34:16 +02:00
|
|
|
exit_code = main_runner_->Run();
|
|
|
|
|
|
|
|
initialized_ = true;
|
|
|
|
|
2013-10-23 21:30:47 +02:00
|
|
|
if (CEF_CURRENTLY_ON_UIT()) {
|
|
|
|
OnContextInitialized();
|
|
|
|
} else {
|
|
|
|
// Continue initialization on the UI thread.
|
|
|
|
CEF_POST_TASK(CEF_UIT,
|
|
|
|
base::Bind(&CefContext::OnContextInitialized, base::Unretained(this)));
|
|
|
|
}
|
2012-05-18 17:04:56 +02:00
|
|
|
|
2012-04-03 03:34:16 +02:00
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CefContext::Shutdown() {
|
|
|
|
// Must always be called on the same thread as Initialize.
|
|
|
|
DCHECK(OnInitThread());
|
|
|
|
|
|
|
|
shutting_down_ = true;
|
|
|
|
|
|
|
|
if (settings_.multi_threaded_message_loop) {
|
|
|
|
// Events that will be used to signal when shutdown is complete. Start in
|
|
|
|
// non-signaled mode so that the event will block.
|
2016-06-21 00:59:23 +02:00
|
|
|
base::WaitableEvent uithread_shutdown_event(
|
|
|
|
base::WaitableEvent::ResetPolicy::AUTOMATIC,
|
|
|
|
base::WaitableEvent::InitialState::NOT_SIGNALED);
|
2012-04-03 03:34:16 +02:00
|
|
|
|
|
|
|
// Finish shutdown on the UI thread.
|
|
|
|
CEF_POST_TASK(CEF_UIT,
|
2013-09-03 20:06:25 +02:00
|
|
|
base::Bind(&CefContext::FinishShutdownOnUIThread,
|
|
|
|
base::Unretained(this),
|
2012-04-11 20:00:55 +02:00
|
|
|
&uithread_shutdown_event));
|
2012-04-03 03:34:16 +02:00
|
|
|
|
2012-04-11 20:00:55 +02:00
|
|
|
/// Block until UI thread shutdown is complete.
|
|
|
|
uithread_shutdown_event.Wait();
|
2012-04-03 03:34:16 +02:00
|
|
|
|
|
|
|
FinalizeShutdown();
|
|
|
|
} else {
|
|
|
|
// Finish shutdown on the current thread, which should be the UI thread.
|
2012-04-11 20:00:55 +02:00
|
|
|
FinishShutdownOnUIThread(NULL);
|
2012-04-03 03:34:16 +02:00
|
|
|
|
|
|
|
FinalizeShutdown();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CefContext::OnInitThread() {
|
|
|
|
return (base::PlatformThread::CurrentId() == init_thread_id_);
|
|
|
|
}
|
|
|
|
|
2012-10-18 00:45:49 +02:00
|
|
|
CefTraceSubscriber* CefContext::GetTraceSubscriber() {
|
|
|
|
CEF_REQUIRE_UIT();
|
|
|
|
if (shutting_down_)
|
|
|
|
return NULL;
|
|
|
|
if (!trace_subscriber_.get())
|
|
|
|
trace_subscriber_.reset(new CefTraceSubscriber());
|
|
|
|
return trace_subscriber_.get();
|
|
|
|
}
|
|
|
|
|
2015-03-02 21:25:14 +01:00
|
|
|
void CefContext::PopulateRequestContextSettings(
|
|
|
|
CefRequestContextSettings* settings) {
|
|
|
|
CefRefPtr<CefCommandLine> command_line =
|
|
|
|
CefCommandLine::GetGlobalCommandLine();
|
|
|
|
CefString(&settings->cache_path) = CefString(&settings_.cache_path);
|
|
|
|
settings->persist_session_cookies =
|
|
|
|
settings_.persist_session_cookies ||
|
|
|
|
command_line->HasSwitch(switches::kPersistSessionCookies);
|
2015-10-17 02:44:00 +02:00
|
|
|
settings->persist_user_preferences =
|
|
|
|
settings_.persist_user_preferences ||
|
|
|
|
command_line->HasSwitch(switches::kPersistUserPreferences);
|
2015-03-02 21:25:14 +01:00
|
|
|
settings->ignore_certificate_errors =
|
|
|
|
settings_.ignore_certificate_errors ||
|
|
|
|
command_line->HasSwitch(switches::kIgnoreCertificateErrors);
|
|
|
|
CefString(&settings->accept_language_list) =
|
|
|
|
CefString(&settings_.accept_language_list);
|
|
|
|
}
|
|
|
|
|
2012-06-19 18:29:49 +02:00
|
|
|
void CefContext::OnContextInitialized() {
|
|
|
|
CEF_REQUIRE_UIT();
|
|
|
|
|
2016-07-18 23:22:22 +02:00
|
|
|
static_cast<ChromeBrowserProcessStub*>(g_browser_process)->Initialize();
|
2015-08-31 13:28:07 +02:00
|
|
|
|
2016-10-14 17:56:41 +02:00
|
|
|
#if defined(WIDEVINE_CDM_AVAILABLE) && defined(ENABLE_PEPPER_CDMS)
|
|
|
|
CefWidevineLoader::GetInstance()->OnContextInitialized();
|
|
|
|
#endif
|
|
|
|
|
2012-06-19 18:29:49 +02:00
|
|
|
// Notify the handler.
|
2013-09-03 18:43:31 +02:00
|
|
|
CefRefPtr<CefApp> app = CefContentClient::Get()->application();
|
2012-06-19 18:29:49 +02:00
|
|
|
if (app.get()) {
|
|
|
|
CefRefPtr<CefBrowserProcessHandler> handler =
|
|
|
|
app->GetBrowserProcessHandler();
|
|
|
|
if (handler.get())
|
|
|
|
handler->OnContextInitialized();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2012-04-03 03:34:16 +02:00
|
|
|
void CefContext::FinishShutdownOnUIThread(
|
|
|
|
base::WaitableEvent* uithread_shutdown_event) {
|
|
|
|
CEF_REQUIRE_UIT();
|
|
|
|
|
2015-11-17 19:20:13 +01:00
|
|
|
browser_info_manager_->DestroyAllBrowsers();
|
2012-04-03 03:34:16 +02:00
|
|
|
|
2012-10-18 00:45:49 +02:00
|
|
|
if (trace_subscriber_.get())
|
|
|
|
trace_subscriber_.reset(NULL);
|
|
|
|
|
2016-07-18 23:22:22 +02:00
|
|
|
static_cast<ChromeBrowserProcessStub*>(g_browser_process)->Shutdown();
|
2015-11-26 04:45:19 +01:00
|
|
|
|
2012-04-11 20:00:55 +02:00
|
|
|
if (uithread_shutdown_event)
|
|
|
|
uithread_shutdown_event->Signal();
|
2012-04-03 03:34:16 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
void CefContext::FinalizeShutdown() {
|
2013-02-02 01:21:59 +01:00
|
|
|
if (content::RenderProcessHost::run_renderer_in_process()) {
|
|
|
|
// Blocks until RenderProcess cleanup is complete.
|
|
|
|
CefContentRendererClient::Get()->RunSingleProcessCleanup();
|
|
|
|
}
|
|
|
|
|
2012-04-11 20:00:55 +02:00
|
|
|
// Shut down the browser runner or UI thread.
|
2012-04-03 03:34:16 +02:00
|
|
|
main_delegate_->ShutdownBrowser();
|
|
|
|
|
|
|
|
// Shut down the content runner.
|
|
|
|
main_runner_->Shutdown();
|
|
|
|
|
2015-11-17 19:20:13 +01:00
|
|
|
browser_info_manager_.reset(NULL);
|
2012-04-03 03:34:16 +02:00
|
|
|
main_runner_.reset(NULL);
|
|
|
|
main_delegate_.reset(NULL);
|
|
|
|
}
|