1 files changed, 184 insertions, 0 deletions
diff --git a/src/core/web_engine_context.cpp b/src/core/web_engine_context.cpp
new file mode 100644
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+++ b/src/core/web_engine_context.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtWebEngine module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "web_engine_context.h"
+
+#include <math.h>
+
+#include "base/command_line.h"
+#include "base/files/file_path.h"
+#include "base/path_service.h"
+#include "base/run_loop.h"
+#include "base/threading/thread_restrictions.h"
+#include "content/public/app/content_main_delegate.h"
+#include "content/public/app/content_main_runner.h"
+#include "content/public/browser/browser_main_runner.h"
+#include "content/public/common/content_paths.h"
+#include "content/public/common/content_switches.h"
+#include "content/public/common/main_function_params.h"
+#include "ui/gl/gl_switches.h"
+#include "webkit/common/user_agent/user_agent_util.h"
+
+#include "content_browser_client_qt.h"
+#include "content_client_qt.h"
+#include "type_conversion.h"
+#include <QGuiApplication>
+#include <QStringList>
+#include <qpa/qplatformnativeinterface.h>
+
+namespace {
+
+scoped_refptr<WebEngineContext> sContext;
+
+static QByteArray subProcessPath() {
+    static bool initialized = false;
+#ifdef QTWEBENGINEPROCESS_PATH
+    static QByteArray processPath(QTWEBENGINEPROCESS_PATH);
+#else
+    static QByteArray processPath;
+#endif
+    if (initialized)
+        return processPath;
+    // Allow overriding at runtime for the time being.
+    const QByteArray fromEnv = qgetenv("QTWEBENGINEPROCESS_PATH");
+    if (!fromEnv.isEmpty())
+        processPath = fromEnv;
+    if (processPath.isEmpty())
+        qFatal("QTWEBENGINEPROCESS_PATH environment variable not set or empty.");
+    initialized = true;
+    return processPath;
+}
+
+} // namespace
+
+class ContentMainDelegateQt : public content::ContentMainDelegate
+{
+public:
+
+    // This is where the embedder puts all of its startup code that needs to run
+    // before the sandbox is engaged.
+    void PreSandboxStartup() Q_DECL_OVERRIDE
+    {
+        PathService::Override(base::FILE_EXE, base::FilePath(toFilePathString(subProcessPath())));
+    }
+
+    content::ContentBrowserClient* CreateContentBrowserClient() Q_DECL_OVERRIDE
+    {
+        m_browserClient.reset(new ContentBrowserClientQt);
+        return m_browserClient.get();
+    }
+
+    bool BasicStartupComplete(int* exit_code) Q_DECL_OVERRIDE
+    {
+        SetContentClient(new ContentClientQt);
+        return false;
+    }
+
+private:
+    scoped_ptr<ContentBrowserClientQt> m_browserClient;
+};
+
+
+WebEngineContext::~WebEngineContext()
+{
+    m_runLoop->AfterRun();
+}
+
+scoped_refptr<WebEngineContext> WebEngineContext::currentOrCreate(WebContentsAdapterClient::RenderingMode renderingMode)
+{
+    if (!sContext)
+        sContext = new WebEngineContext(renderingMode);
+    else if (renderingMode != sContext->renderingMode())
+        qFatal("Switching the QtWebEngine rendering mode once initialized in an application is not supported."
+            " If you're using both a QQuickWebView and a QtQuick WebEngineView, make sure that the"
+            " later is configured to use software rendering by setting:"
+            "\nqApp->setProperty(\"QQuickWebEngineView_DisableHardwareAcceleration\", QVariant(true));");
+    return sContext;
+}
+
+scoped_refptr<WebEngineContext> WebEngineContext::current()
+{
+    return sContext;
+}
+
+WebContentsAdapterClient::RenderingMode WebEngineContext::renderingMode()
+{
+    return CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnableDelegatedRenderer)
+        ? WebContentsAdapterClient::HardwareAccelerationMode
+        : WebContentsAdapterClient::SoftwareRenderingMode;
+}
+
+WebEngineContext::WebEngineContext(WebContentsAdapterClient::RenderingMode renderingMode)
+    : m_mainDelegate(new ContentMainDelegateQt)
+    , m_contentRunner(content::ContentMainRunner::Create())
+    , m_browserRunner(content::BrowserMainRunner::Create())
+{
+    QList<QByteArray> args;
+    Q_FOREACH (const QString& arg, QCoreApplication::arguments())
+        args << arg.toUtf8();
+    const char* argv[args.size()];
+    for (int i = 0; i < args.size(); ++i)
+        argv[i] = args[i].constData();
+    CommandLine::Init(args.size(), argv);
+
+    CommandLine* parsedCommandLine = CommandLine::ForCurrentProcess();
+    parsedCommandLine->AppendSwitchASCII(switches::kUserAgent, webkit_glue::BuildUserAgentFromProduct("QtWebEngine/0.1"));
+    parsedCommandLine->AppendSwitchASCII(switches::kBrowserSubprocessPath, subProcessPath().constData());
+    parsedCommandLine->AppendSwitch(switches::kNoSandbox);
+    parsedCommandLine->AppendSwitch(switches::kDisablePlugins);
+
+    if (renderingMode == WebContentsAdapterClient::HardwareAccelerationMode && !parsedCommandLine->HasSwitch(switches::kDisableDelegatedRenderer)) {
+        parsedCommandLine->AppendSwitch(switches::kEnableDelegatedRenderer);
+        parsedCommandLine->AppendSwitch(switches::kEnableThreadedCompositing);
+        parsedCommandLine->AppendSwitch(switches::kInProcessGPU);
+    }
+
+    // Tell Chromium to use EGL instead of GLX if the Qt xcb plugin also does.
+    if (qApp->platformName() == QStringLiteral("xcb") && qApp->platformNativeInterface()->nativeResourceForWindow(QByteArrayLiteral("egldisplay"), 0))
+        parsedCommandLine->AppendSwitchASCII(switches::kUseGL, gfx::kGLImplementationEGLName);
+
+    m_contentRunner->Initialize(0, 0, m_mainDelegate.get());
+    m_browserRunner->Initialize(content::MainFunctionParams(*CommandLine::ForCurrentProcess()));
+
+    // Once the MessageLoop has been created, attach a top-level RunLoop.
+    m_runLoop.reset(new base::RunLoop);
+    m_runLoop->BeforeRun();
+}