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QWebView.WebView2 urlChanged signal.
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winsoft666
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Dec 21, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,128 +1,127 @@ | ||
| #include "QWebView.CEF.h" | ||
| #include <include/base/cef_logging.h> | ||
| #include <include/cef_app.h> | ||
| #include <include/cef_browser.h> | ||
| #include <include/cef_frame.h> | ||
| #include <include/cef_sandbox_win.h> | ||
| #include "include/base/cef_scoped_ptr.h" | ||
| #include "include/cef_command_line.h" | ||
| #include "tests/cefclient/browser/main_context_impl.h" | ||
| #include "tests/cefclient/browser/main_message_loop_multithreaded_win.h" | ||
| #include "tests/cefclient/browser/root_window_manager.h" | ||
| #include "tests/cefclient/browser/test_runner.h" | ||
| #include "tests/shared/browser/client_app_browser.h" | ||
| #include "tests/shared/browser/main_message_loop_external_pump.h" | ||
| #include "tests/shared/browser/main_message_loop_std.h" | ||
| #include "tests/shared/common/client_app_other.h" | ||
| #include "tests/shared/common/client_switches.h" | ||
| #include "tests/shared/renderer/client_app_renderer.h" | ||
| #include "main_message_loop_qt.h" | ||
| #include <QDebug> | ||
|
|
||
| using namespace client; | ||
|
|
||
| // When generating projects with CMake the CEF_USE_SANDBOX value will be defined | ||
| // automatically if using the required compiler version. Pass -DUSE_SANDBOX=OFF | ||
| // to the CMake command-line to disable use of the sandbox. | ||
| // Uncomment this line to manually enable sandbox support. | ||
| // #define CEF_USE_SANDBOX 1 | ||
|
|
||
| #if defined(CEF_USE_SANDBOX) | ||
| // The cef_sandbox.lib static library may not link successfully with all VS | ||
| // versions. | ||
| #pragma comment(lib, "cef_sandbox.lib") | ||
| #endif | ||
|
|
||
| scoped_ptr<MainContextImpl> context; | ||
| scoped_ptr<MainMessageLoop> message_loop; | ||
|
|
||
| bool QWebViewCEF::Initialize(bool supportOSR) { | ||
| // Enable High-DPI support on Windows 7 or newer. | ||
| CefEnableHighDPISupport(); | ||
|
|
||
| CefMainArgs main_args(GetModuleHandle(NULL)); | ||
|
|
||
| void* sandbox_info = NULL; | ||
|
|
||
| #if defined(CEF_USE_SANDBOX) | ||
| // Manage the life span of the sandbox information object. This is necessary | ||
| // for sandbox support on Windows. See cef_sandbox_win.h for complete details. | ||
| CefScopedSandboxInfo scoped_sandbox; | ||
| sandbox_info = scoped_sandbox.sandbox_info(); | ||
| #endif | ||
|
|
||
| // Parse command-line arguments. | ||
| CefRefPtr<CefCommandLine> command_line = CefCommandLine::CreateCommandLine(); | ||
| command_line->InitFromString(::GetCommandLineW()); | ||
|
|
||
| // Create a ClientApp of the correct type. | ||
| CefRefPtr<CefApp> app; | ||
| ClientApp::ProcessType process_type = ClientApp::GetProcessType(command_line); | ||
| if (process_type == ClientApp::BrowserProcess) { | ||
| app = new ClientAppBrowser(); | ||
| } | ||
| else if (process_type == ClientApp::RendererProcess) { | ||
| app = new ClientAppRenderer(); | ||
| } | ||
| else if (process_type == ClientApp::OtherProcess) { | ||
| app = new ClientAppOther(); | ||
| } | ||
|
|
||
| // Execute the secondary process, if any. | ||
| int exit_code = CefExecuteProcess(main_args, app, sandbox_info); | ||
| if (exit_code >= 0) | ||
| return false; | ||
|
|
||
| // Create the main context object. | ||
| context.reset(new MainContextImpl( | ||
| command_line, | ||
| true // 必须为true，因为在MainMessageLoopQt::Quit() 中判断是否需要退出app | ||
| // todo | ||
| )); | ||
|
|
||
| CefSettings settings; | ||
|
|
||
| #if !defined(CEF_USE_SANDBOX) | ||
| settings.no_sandbox = true; | ||
| #endif | ||
|
|
||
| // Populate the settings based on command line arguments. | ||
| context->PopulateSettings(&settings); | ||
|
|
||
| if (supportOSR) | ||
| settings.windowless_rendering_enabled = true; | ||
|
|
||
| // winsoft666: CEF线程模型 | ||
| // | ||
| // 当 multi_threaded_message_loop = 0 时，CEF的UI线程与程序的主线程为一个线程， | ||
| // 此时可以直接调用 CefRunMessageLoop 函数，该函数为阻塞的消息循环函数，用于处理程序消息和CEF消息，可以代替程序的消息循环； | ||
| // 也可以单独实现程序的消息循环，并在程序消息循环中额外调用非阻塞的 CefDoMessageLoopWork 函数来处理CEF消息。 | ||
| // | ||
| // 当 multi_threaded_message_loop = 1 时，CEF的UI线程与程序主线程为不同的线程， | ||
| // | ||
| // 可以使用 CefCurrentlyOn(TID_UI) 判断当前线程是否为CEF的UI线程，并使用 CefPostTask(TID_UI, ...) 将闭合体发送到CEF UI线程中执行。 | ||
| // 可以使用 CURRENTLY_ON_MAIN_THREAD() 判断当前线程是否为主线程，并使用 MAIN_POST_CLOSURE 或 MAIN_POST_TASK 将闭合体/任务发送到主线程中执行。 | ||
| // | ||
| settings.multi_threaded_message_loop = 1; | ||
|
|
||
| // Create the main message loop object. | ||
| message_loop.reset(new MainMessageLoopQt); | ||
|
|
||
| // Initialize CEF. | ||
| bool init = context->Initialize(main_args, settings, app, sandbox_info); | ||
|
|
||
| DCHECK(init) << "Cef Initialize Failed."; | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| void QWebViewCEF::UnInitialize() { | ||
| qDebug() << ">>>> QWebViewCEF::UnInitialize"; | ||
|
|
||
| // Shut down CEF. | ||
| context->Shutdown(); | ||
|
|
||
| // Release objects in reverse order of creation. | ||
| message_loop.reset(); | ||
| context.reset(); | ||
| } | ||
| #include "QWebView.CEF.h" | ||
| #include <include/base/cef_logging.h> | ||
| #include <include/cef_app.h> | ||
| #include <include/cef_browser.h> | ||
| #include <include/cef_frame.h> | ||
| #include <include/cef_sandbox_win.h> | ||
| #include "include/base/cef_scoped_ptr.h" | ||
| #include "include/cef_command_line.h" | ||
| #include "tests/cefclient/browser/main_context_impl.h" | ||
| #include "tests/cefclient/browser/main_message_loop_multithreaded_win.h" | ||
| #include "tests/cefclient/browser/root_window_manager.h" | ||
| #include "tests/cefclient/browser/test_runner.h" | ||
| #include "tests/shared/browser/client_app_browser.h" | ||
| #include "tests/shared/browser/main_message_loop_external_pump.h" | ||
| #include "tests/shared/browser/main_message_loop_std.h" | ||
| #include "tests/shared/common/client_app_other.h" | ||
| #include "tests/shared/common/client_switches.h" | ||
| #include "tests/shared/renderer/client_app_renderer.h" | ||
| #include "main_message_loop_qt.h" | ||
| #include <QDebug> | ||
|
|
||
| using namespace client; | ||
|
|
||
| // When generating projects with CMake the CEF_USE_SANDBOX value will be defined | ||
| // automatically if using the required compiler version. Pass -DUSE_SANDBOX=OFF | ||
| // to the CMake command-line to disable use of the sandbox. | ||
| // Uncomment this line to manually enable sandbox support. | ||
| // #define CEF_USE_SANDBOX 1 | ||
|
|
||
| #if defined(CEF_USE_SANDBOX) | ||
| // The cef_sandbox.lib static library may not link successfully with all VS | ||
| // versions. | ||
| #pragma comment(lib, "cef_sandbox.lib") | ||
| #endif | ||
|
|
||
| scoped_ptr<MainContextImpl> context; | ||
| scoped_ptr<MainMessageLoop> message_loop; | ||
|
|
||
| bool QWebViewCEF::Initialize(bool supportOSR) { | ||
| // Enable High-DPI support on Windows 7 or newer. | ||
| CefEnableHighDPISupport(); | ||
|
|
||
| CefMainArgs main_args(GetModuleHandle(NULL)); | ||
|
|
||
| void* sandbox_info = NULL; | ||
|
|
||
| #if defined(CEF_USE_SANDBOX) | ||
| // Manage the life span of the sandbox information object. This is necessary | ||
| // for sandbox support on Windows. See cef_sandbox_win.h for complete details. | ||
| CefScopedSandboxInfo scoped_sandbox; | ||
| sandbox_info = scoped_sandbox.sandbox_info(); | ||
| #endif | ||
|
|
||
| // Parse command-line arguments. | ||
| CefRefPtr<CefCommandLine> command_line = CefCommandLine::CreateCommandLine(); | ||
| command_line->InitFromString(::GetCommandLineW()); | ||
|
|
||
| // Create a ClientApp of the correct type. | ||
| CefRefPtr<CefApp> app; | ||
| ClientApp::ProcessType process_type = ClientApp::GetProcessType(command_line); | ||
| if (process_type == ClientApp::BrowserProcess) { | ||
| app = new ClientAppBrowser(); | ||
| } | ||
| else if (process_type == ClientApp::RendererProcess) { | ||
| app = new ClientAppRenderer(); | ||
| } | ||
| else if (process_type == ClientApp::OtherProcess) { | ||
| app = new ClientAppOther(); | ||
| } | ||
|
|
||
| // Execute the secondary process, if any. | ||
| int exit_code = CefExecuteProcess(main_args, app, sandbox_info); | ||
| if (exit_code >= 0) | ||
| return false; | ||
|
|
||
| // Create the main context object. | ||
| context.reset(new MainContextImpl( | ||
| command_line, | ||
| true // 必须为true，因为在MainMessageLoopQt::Quit() 中判断是否需要发送allWebViewsClosed信号 | ||
| )); | ||
|
|
||
| CefSettings settings; | ||
|
|
||
| #if !defined(CEF_USE_SANDBOX) | ||
| settings.no_sandbox = true; | ||
| #endif | ||
|
|
||
| // Populate the settings based on command line arguments. | ||
| context->PopulateSettings(&settings); | ||
|
|
||
| if (supportOSR) | ||
| settings.windowless_rendering_enabled = true; | ||
|
|
||
| // winsoft666: CEF线程模型 | ||
| // | ||
| // 当 multi_threaded_message_loop = 0 时，CEF的UI线程与程序的主线程为一个线程， | ||
| // 此时可以直接调用 CefRunMessageLoop 函数，该函数为阻塞的消息循环函数，用于处理程序消息和CEF消息，可以代替程序的消息循环； | ||
| // 也可以单独实现程序的消息循环，并在程序消息循环中额外调用非阻塞的 CefDoMessageLoopWork 函数来处理CEF消息。 | ||
| // | ||
| // 当 multi_threaded_message_loop = 1 时，CEF的UI线程与程序主线程为不同的线程， | ||
| // | ||
| // 可以使用 CefCurrentlyOn(TID_UI) 判断当前线程是否为CEF的UI线程，并使用 CefPostTask(TID_UI, ...) 将闭合体发送到CEF UI线程中执行。 | ||
| // 可以使用 CURRENTLY_ON_MAIN_THREAD() 判断当前线程是否为主线程，并使用 MAIN_POST_CLOSURE 或 MAIN_POST_TASK 将闭合体/任务发送到主线程中执行。 | ||
| // | ||
| settings.multi_threaded_message_loop = 1; | ||
|
|
||
| // Create the main message loop object. | ||
| message_loop.reset(new MainMessageLoopQt); | ||
|
|
||
| // Initialize CEF. | ||
| bool init = context->Initialize(main_args, settings, app, sandbox_info); | ||
|
|
||
| DCHECK(init) << "Cef Initialize Failed."; | ||
|
|
||
| return true; | ||
| } | ||
|
|
||
| void QWebViewCEF::UnInitialize() { | ||
| qDebug() << ">>>> QWebViewCEF::UnInitialize"; | ||
|
|
||
| // Shut down CEF. | ||
| context->Shutdown(); | ||
|
|
||
| // Release objects in reverse order of creation. | ||
| message_loop.reset(); | ||
| context.reset(); | ||
| } |
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