1 files changed, 196 insertions, 0 deletions
diff --git a/Source/WebKit2/WebProcess/qt/QtBuiltinBundlePage.cpp b/Source/WebKit2/WebProcess/qt/QtBuiltinBundlePage.cpp
new file mode 100644
index 000000000..2c89556b3
--- /dev/null
+++ b/Source/WebKit2/WebProcess/qt/QtBuiltinBundlePage.cpp
@@ -0,0 +1,196 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#include "config.h"
+#include "QtBuiltinBundlePage.h"
+
+#include "QtBuiltinBundle.h"
+#include "WKArray.h"
+#include "WKBundleFrame.h"
+#include "WKRetainPtr.h"
+#include "WKString.h"
+#include "WKStringPrivate.h"
+#include "WKStringQt.h"
+#include <JavaScript.h>
+#include <JavaScriptCore/JSRetainPtr.h>
+
+namespace WebKit {
+
+QtBuiltinBundlePage::QtBuiltinBundlePage(QtBuiltinBundle* bundle, WKBundlePageRef page)
+    : m_bundle(bundle)
+    , m_page(page)
+    , m_navigatorQtObject(0)
+    , m_navigatorQtObjectEnabled(false)
+{
+    WKBundlePageLoaderClient loaderClient = {
+        kWKBundlePageLoaderClientCurrentVersion,
+        this,
+        0, // didStartProvisionalLoadForFrame
+        0, // didReceiveServerRedirectForProvisionalLoadForFrame
+        0, // didFailProvisionalLoadWithErrorForFrame
+        0, // didCommitLoadForFrame
+        0, // didFinishDocumentLoadForFrame
+        0, // didFinishLoadForFrame
+        0, // didFailLoadWithErrorForFrame
+        0, // didSameDocumentNavigationForFrame
+        0, // didReceiveTitleForFrame
+        0, // didFirstLayoutForFrame
+        0, // didFirstVisuallyNonEmptyLayoutForFrame
+        0, // didRemoveFrameFromHierarchy
+        0, // didDisplayInsecureContentForFrame
+        0, // didRunInsecureContentForFrame
+        didClearWindowForFrame,
+        0, // didCancelClientRedirectForFrame
+        0, // willPerformClientRedirectForFrame
+        0, // didHandleOnloadEventsForFrame
+        0, // didLayoutForFrame
+        0, // didDetectXSSForFrame
+    };
+    WKBundlePageSetPageLoaderClient(m_page, &loaderClient);
+}
+
+QtBuiltinBundlePage::~QtBuiltinBundlePage()
+{
+    if (!m_navigatorQtObject)
+        return;
+    WKBundleFrameRef frame = WKBundlePageGetMainFrame(m_page);
+    JSGlobalContextRef context = WKBundleFrameGetJavaScriptContext(frame);
+    JSValueUnprotect(context, m_navigatorQtObject);
+}
+
+void QtBuiltinBundlePage::didClearWindowForFrame(WKBundlePageRef page, WKBundleFrameRef frame, WKBundleScriptWorldRef world, const void* clientInfo)
+{
+    static_cast<QtBuiltinBundlePage*>(const_cast<void*>(clientInfo))->didClearWindowForFrame(frame, world);
+}
+
+static JSValueRef qt_postMessageCallback(JSContextRef context, JSObjectRef, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef*)
+{
+    // FIXME: should it work regardless of the thisObject?
+
+    if (argumentCount < 1 || !JSValueIsString(context, arguments[0]))
+        return JSValueMakeUndefined(context);
+
+    QtBuiltinBundlePage* bundlePage = reinterpret_cast<QtBuiltinBundlePage*>(JSObjectGetPrivate(thisObject));
+    ASSERT(bundlePage);
+
+    // FIXME: needed?
+    if (!bundlePage->navigatorQtObjectEnabled())
+        return JSValueMakeUndefined(context);
+
+    JSRetainPtr<JSStringRef> jsContents = JSValueToStringCopy(context, arguments[0], 0);
+    WKRetainPtr<WKStringRef> contents(AdoptWK, WKStringCreateWithJSString(jsContents.get()));
+    bundlePage->postMessageFromNavigatorQtObject(contents.get());
+    return JSValueMakeUndefined(context);
+}
+
+void QtBuiltinBundlePage::didClearWindowForFrame(WKBundleFrameRef frame, WKBundleScriptWorldRef world)
+{
+    if (!WKBundleFrameIsMainFrame(frame) || WKBundleScriptWorldNormalWorld() != world)
+        return;
+    JSGlobalContextRef context = WKBundleFrameGetJavaScriptContextForWorld(frame, world);
+    registerNavigatorQtObject(context);
+}
+
+void QtBuiltinBundlePage::postMessageFromNavigatorQtObject(WKStringRef contents)
+{
+    static WKStringRef messageName = WKStringCreateWithUTF8CString("MessageFromNavigatorQtObject");
+    WKTypeRef body[] = { page(), contents };
+    WKRetainPtr<WKArrayRef> messageBody(AdoptWK, WKArrayCreate(body, sizeof(body) / sizeof(WKTypeRef)));
+    WKBundlePostMessage(m_bundle->toRef(), messageName, messageBody.get());
+}
+
+static JSObjectRef createWrappedMessage(JSGlobalContextRef context, WKStringRef data)
+{
+    static JSStringRef dataName = JSStringCreateWithUTF8CString("data");
+
+    JSRetainPtr<JSStringRef> jsData = WKStringCopyJSString(data);
+    JSObjectRef wrappedMessage = JSObjectMake(context, 0, 0);
+    JSObjectSetProperty(context, wrappedMessage, dataName, JSValueMakeString(context, jsData.get()), kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly, 0);
+    return wrappedMessage;
+}
+
+void QtBuiltinBundlePage::didReceiveMessageToNavigatorQtObject(WKStringRef contents)
+{
+    static JSStringRef onmessageName = JSStringCreateWithUTF8CString("onmessage");
+
+    if (!m_navigatorQtObject)
+        return;
+
+    WKBundleFrameRef frame = WKBundlePageGetMainFrame(m_page);
+    JSGlobalContextRef context = WKBundleFrameGetJavaScriptContext(frame);
+
+    JSValueRef onmessageValue = JSObjectGetProperty(context, m_navigatorQtObject, onmessageName, 0);
+    if (!JSValueIsObject(context, onmessageValue))
+        return;
+
+    JSObjectRef onmessageFunction = JSValueToObject(context, onmessageValue, 0);
+    if (!JSObjectIsFunction(context, onmessageFunction))
+        return;
+
+    JSObjectRef wrappedMessage = createWrappedMessage(context, contents);
+    JSObjectCallAsFunction(context, onmessageFunction, 0, 1, &wrappedMessage, 0);
+}
+
+void QtBuiltinBundlePage::setNavigatorQtObjectEnabled(bool enabled)
+{
+    if (enabled == m_navigatorQtObjectEnabled)
+        return;
+    // Note that this will take effect only after the next page load.
+    m_navigatorQtObjectEnabled = enabled;
+}
+
+void QtBuiltinBundlePage::registerNavigatorQtObject(JSGlobalContextRef context)
+{
+    static JSStringRef postMessageName = JSStringCreateWithUTF8CString("postMessage");
+    static JSStringRef navigatorName = JSStringCreateWithUTF8CString("navigator");
+    static JSStringRef qtName = JSStringCreateWithUTF8CString("qt");
+
+    if (m_navigatorQtObject)
+        JSValueUnprotect(context, m_navigatorQtObject);
+    m_navigatorQtObject = JSObjectMake(context, navigatorQtObjectClass(), this);
+    JSValueProtect(context, m_navigatorQtObject);
+
+    JSObjectRef postMessage = JSObjectMakeFunctionWithCallback(context, postMessageName, qt_postMessageCallback);
+    JSObjectSetProperty(context, m_navigatorQtObject, postMessageName, postMessage, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly, 0);
+
+    JSValueRef navigatorValue = JSObjectGetProperty(context, JSContextGetGlobalObject(context), navigatorName, 0);
+    if (!JSValueIsObject(context, navigatorValue))
+        return;
+    JSObjectRef navigatorObject = JSValueToObject(context, navigatorValue, 0);
+    JSObjectSetProperty(context, navigatorObject, qtName, m_navigatorQtObject, kJSPropertyAttributeDontDelete | kJSPropertyAttributeReadOnly, 0);
+}
+
+JSClassRef QtBuiltinBundlePage::navigatorQtObjectClass()
+{
+    static JSClassRef classRef = 0;
+    if (!classRef) {
+        const JSClassDefinition navigatorQtObjectClass = kJSClassDefinitionEmpty;
+        classRef = JSClassCreate(&navigatorQtObjectClass);
+    }
+    return classRef;
+}
+
+} // namespace WebKit