auto import from //depot/cupcake/@136594

1 files changed, 709 insertions, 0 deletions

diff --git a/WebCore/plugins/mac/PluginViewMac.cpp b/WebCore/plugins/mac/PluginViewMac.cpp
new file mode 100644
index 0000000..9e58906
--- /dev/null
+++ b/WebCore/plugins/mac/PluginViewMac.cpp
@@ -0,0 +1,709 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc.  All rights reserved.
+ * Copyright (C) 2008 Collabora Ltd. All rights reserved.
+ * Copyright (C) 2008 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 COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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.
+ */
+
+#ifndef __LP64__
+
+#include "config.h"
+#include "PluginView.h"
+
+#include <runtime/JSLock.h>
+#include <runtime/JSValue.h>
+#include "wtf/RetainPtr.h"
+
+#include "Document.h"
+#include "DocumentLoader.h"
+#include "Element.h"
+#include "EventNames.h"
+#include "FocusController.h"
+#include "FrameLoader.h"
+#include "FrameLoadRequest.h"
+#include "FrameTree.h"
+#include "Frame.h"
+#include "FrameView.h"
+#include "GraphicsContext.h"
+#include "HTMLNames.h"
+#include "HTMLPlugInElement.h"
+#include "Image.h"
+#include "JSDOMBinding.h"
+#include "KeyboardEvent.h"
+#include "MouseEvent.h"
+#include "NotImplemented.h"
+#include "npruntime_impl.h"
+#include "Page.h"
+#include "PlatformMouseEvent.h"
+#include "PlatformKeyboardEvent.h"
+#include "PluginDebug.h"
+#include "PluginPackage.h"
+#include "PluginMainThreadScheduler.h"
+#include "RenderLayer.h"
+#include "runtime.h"
+#include "runtime_root.h"
+#include "ScriptController.h"
+#include "Settings.h"
+
+using JSC::ExecState;
+using JSC::Interpreter;
+using JSC::JSLock;
+using JSC::JSObject;
+using JSC::JSValue;
+using JSC::UString;
+
+#if PLATFORM(QT)
+#include <QWidget>
+#include <QKeyEvent>
+QT_BEGIN_NAMESPACE
+extern Q_GUI_EXPORT OSWindowRef qt_mac_window_for(const QWidget *w);
+QT_END_NAMESPACE
+#endif
+
+using std::min;
+
+using namespace WTF;
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+static int modifiersForEvent(UIEventWithKeyState *event);
+
+static inline WindowRef nativeWindowFor(PlatformWidget widget)
+{
+#if PLATFORM(QT)
+    if (widget)
+        return static_cast<WindowRef>(qt_mac_window_for(widget));
+#endif
+    return 0;
+}
+
+static inline CGContextRef cgHandleFor(PlatformWidget widget)
+{
+#if PLATFORM(QT)
+    if (widget)
+        return (CGContextRef)widget->macCGHandle();
+#endif
+    return 0;
+}
+
+static inline IntPoint topLevelOffsetFor(PlatformWidget widget)
+{
+#if PLATFORM(QT)
+    if (widget) {
+        PlatformWidget topLevel = widget->window();
+        return widget->mapTo(topLevel, QPoint(0, 0)) + topLevel->geometry().topLeft() - topLevel->pos();
+    }
+#endif
+    return IntPoint();
+}
+
+// --------------- Lifetime management -----------------
+
+void PluginView::init()
+{
+    if (m_haveInitialized)
+        return;
+    m_haveInitialized = true;
+
+    if (!m_plugin) {
+        ASSERT(m_status == PluginStatusCanNotFindPlugin);
+        return;
+    }
+
+    if (!m_plugin->load()) {
+        m_plugin = 0;
+        m_status = PluginStatusCanNotLoadPlugin;
+        return;
+    }
+
+    if (!start()) {
+        m_status = PluginStatusCanNotLoadPlugin;
+        return;
+    }
+
+    setPlatformPluginWidget(m_parentFrame->view()->hostWindow()->platformWindow());
+
+    m_npCgContext.window = 0;
+    m_npCgContext.context = 0;
+    m_npWindow.window = (void*)&m_npCgContext;
+    m_npWindow.type = NPWindowTypeWindow;
+    m_npWindow.x = 0;
+    m_npWindow.y = 0;
+    m_npWindow.width = 0;
+    m_npWindow.height = 0;
+    m_npWindow.clipRect.left = 0;
+    m_npWindow.clipRect.top = 0;
+    m_npWindow.clipRect.right = 0;
+    m_npWindow.clipRect.bottom = 0;
+
+    setIsNPAPIPlugin(true);
+
+    show();
+
+    m_status = PluginStatusLoadedSuccessfully;
+
+    // TODO: Implement null timer throttling depending on plugin activation
+    m_nullEventTimer.set(new Timer<PluginView>(this, &PluginView::nullEventTimerFired));
+    m_nullEventTimer->startRepeating(0.02);
+}
+
+PluginView::~PluginView()
+{
+    stop();
+
+    deleteAllValues(m_requests);
+
+    freeStringArray(m_paramNames, m_paramCount);
+    freeStringArray(m_paramValues, m_paramCount);
+
+    m_parentFrame->script()->cleanupScriptObjectsForPlugin(this);
+
+    if (m_plugin && !(m_plugin->quirks().contains(PluginQuirkDontUnloadPlugin)))
+        m_plugin->unload();
+
+    m_window = 0;
+}
+
+void PluginView::stop()
+{
+    if (!m_isStarted)
+        return;
+
+    HashSet<RefPtr<PluginStream> > streams = m_streams;
+    HashSet<RefPtr<PluginStream> >::iterator end = streams.end();
+    for (HashSet<RefPtr<PluginStream> >::iterator it = streams.begin(); it != end; ++it) {
+        (*it)->stop();
+        disconnectStream((*it).get());
+    }
+
+    ASSERT(m_streams.isEmpty());
+
+    m_isStarted = false;
+
+    JSC::JSLock::DropAllLocks dropAllLocks(false);
+
+    PluginMainThreadScheduler::scheduler().unregisterPlugin(m_instance);
+
+    // Destroy the plugin
+    PluginView::setCurrentPluginView(this);
+    setCallingPlugin(true);
+    m_plugin->pluginFuncs()->destroy(m_instance, 0);
+    setCallingPlugin(false);
+    PluginView::setCurrentPluginView(0);
+
+    m_instance->pdata = 0;
+}
+
+NPError PluginView::getValueStatic(NPNVariable variable, void* value)
+{
+    LOG(Plugin, "PluginView::getValueStatic(%d)", variable);
+
+    switch (variable) {
+    case NPNVToolkit:
+        *((uint32 *)value) = 0;
+        return NPERR_NO_ERROR;
+
+    case NPNVjavascriptEnabledBool:
+        *((uint32 *)value) = true;
+        return NPERR_NO_ERROR;
+
+    default:
+        return NPERR_GENERIC_ERROR;
+    }
+}
+
+NPError PluginView::getValue(NPNVariable variable, void* value)
+{
+    LOG(Plugin, "PluginView::getValue(%d)", variable);
+
+    switch (variable) {
+    case NPNVWindowNPObject: {
+        if (m_isJavaScriptPaused)
+            return NPERR_GENERIC_ERROR;
+
+        NPObject* windowScriptObject = m_parentFrame->script()->windowScriptNPObject();
+
+        // Return value is expected to be retained, as described in
+        // <http://www.mozilla.org/projects/plugin/npruntime.html>
+        if (windowScriptObject)
+            _NPN_RetainObject(windowScriptObject);
+
+        void** v = (void**)value;
+        *v = windowScriptObject;
+
+        return NPERR_NO_ERROR;
+    }
+
+    case NPNVPluginElementNPObject: {
+        if (m_isJavaScriptPaused)
+            return NPERR_GENERIC_ERROR;
+
+        NPObject* pluginScriptObject = 0;
+
+        if (m_element->hasTagName(appletTag) || m_element->hasTagName(embedTag) || m_element->hasTagName(objectTag))
+            pluginScriptObject = static_cast<HTMLPlugInElement*>(m_element)->getNPObject();
+
+        // Return value is expected to be retained, as described in
+        // <http://www.mozilla.org/projects/plugin/npruntime.html>
+        if (pluginScriptObject)
+            _NPN_RetainObject(pluginScriptObject);
+
+        void** v = (void**)value;
+        *v = pluginScriptObject;
+
+        return NPERR_NO_ERROR;
+    }
+
+    case NPNVsupportsCoreGraphicsBool:
+        *((uint32 *)value) = true;
+        return NPERR_NO_ERROR;
+
+    default:
+        return getValueStatic(variable, value);
+    }
+
+}
+void PluginView::setParent(ScrollView* parent)
+{
+    Widget::setParent(parent);
+
+    if (parent)
+        init();
+}
+
+// -------------- Geometry and painting ----------------
+
+void PluginView::show()
+{
+    LOG(Plugin, "PluginView::show()");
+
+    setSelfVisible(true);
+
+    if (isParentVisible() && platformPluginWidget())
+        platformPluginWidget()->setVisible(true);
+
+    Widget::show();
+}
+
+void PluginView::hide()
+{
+    LOG(Plugin, "PluginView::hide()");
+
+    setSelfVisible(false);
+
+    if (isParentVisible() && platformPluginWidget())
+        platformPluginWidget()->setVisible(false);
+
+    Widget::hide();
+}
+
+void PluginView::setFocus()
+{
+    LOG(Plugin, "PluginView::setFocus()");
+
+    if (platformPluginWidget())
+       platformPluginWidget()->setFocus(Qt::OtherFocusReason);
+   else
+       Widget::setFocus();
+
+    // TODO: Also handle and pass on blur events (focus lost)
+
+    EventRecord record;
+    record.what = getFocusEvent;
+    record.message = 0;
+    record.when = TickCount();
+    record.where = globalMousePosForPlugin();
+    record.modifiers = GetCurrentKeyModifiers();
+
+    if (!dispatchNPEvent(record))
+        LOG(Events, "PluginView::setFocus(): Get-focus event not accepted");
+}
+
+void PluginView::setParentVisible(bool visible)
+{
+    if (isParentVisible() == visible)
+        return;
+
+    Widget::setParentVisible(visible);
+
+    if (isSelfVisible() && platformPluginWidget())
+        platformPluginWidget()->setVisible(visible);
+}
+
+void PluginView::setNPWindowRect(const IntRect&)
+{
+    setNPWindowIfNeeded();
+}
+
+void PluginView::setNPWindowIfNeeded()
+{
+    if (!m_isStarted || !parent() || !m_plugin->pluginFuncs()->setwindow)
+        return;
+
+    CGContextRef newContextRef = cgHandleFor(platformPluginWidget());
+    if (!newContextRef)
+        return;
+
+    WindowRef newWindowRef = nativeWindowFor(platformPluginWidget());
+    if (!newWindowRef)
+        return;
+
+    m_npWindow.window = (void*)&m_npCgContext;
+    m_npCgContext.window = newWindowRef;
+    m_npCgContext.context = newContextRef;
+
+    m_npWindow.x = m_windowRect.x();
+    m_npWindow.y = m_windowRect.y();
+    m_npWindow.width = m_windowRect.width();
+    m_npWindow.height = m_windowRect.height();
+
+    // TODO: (also clip against scrollbars, etc.)
+    m_npWindow.clipRect.left = 0;
+    m_npWindow.clipRect.top = 0;
+    m_npWindow.clipRect.right = m_windowRect.width();
+    m_npWindow.clipRect.bottom = m_windowRect.height();
+
+    PluginView::setCurrentPluginView(this);
+    JSC::JSLock::DropAllLocks dropAllLocks(false);
+    setCallingPlugin(true);
+    m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow);
+    setCallingPlugin(false);
+    PluginView::setCurrentPluginView(0);
+}
+
+void PluginView::updatePluginWidget()
+{
+    if (!parent())
+       return;
+
+    ASSERT(parent()->isFrameView());
+    FrameView* frameView = static_cast<FrameView*>(parent());
+
+    IntRect oldWindowRect = m_windowRect;
+    IntRect oldClipRect = m_clipRect;
+
+    m_windowRect = IntRect(frameView->contentsToWindow(frameRect().location()), frameRect().size());
+    m_clipRect = windowClipRect();
+    m_clipRect.move(-m_windowRect.x(), -m_windowRect.y());
+
+    if (platformPluginWidget() && (m_windowRect != oldWindowRect || m_clipRect != oldClipRect))
+        setNPWindowIfNeeded();
+}
+
+void PluginView::paint(GraphicsContext* context, const IntRect& rect)
+{
+    if (!m_isStarted) {
+        paintMissingPluginIcon(context, rect);
+        return;
+    }
+
+    if (context->paintingDisabled())
+        return;
+
+    setNPWindowIfNeeded();
+
+    EventRecord event;
+    event.what = updateEvt;
+    event.message = (long unsigned int)m_npCgContext.window;
+    event.when = TickCount();
+    event.where.h = 0;
+    event.where.v = 0;
+    event.modifiers = GetCurrentKeyModifiers();
+
+    CGContextRef cg = m_npCgContext.context;
+    CGContextSaveGState(cg);
+    IntPoint offset = frameRect().location();
+    CGContextTranslateCTM(cg, offset.x(), offset.y());
+
+    if (!dispatchNPEvent(event))
+        LOG(Events, "PluginView::paint(): Paint event not accepted");
+
+    CGContextRestoreGState(cg);
+}
+
+void PluginView::invalidateRect(const IntRect& rect)
+{
+    if (platformPluginWidget()) {
+        // TODO: optimize
+        platformPluginWidget()->update();
+        return;
+    }
+}
+
+void PluginView::invalidateRect(NPRect* rect)
+{
+    // TODO: optimize
+    invalidate();
+}
+
+void PluginView::invalidateRegion(NPRegion region)
+{
+    // TODO: optimize
+    invalidate();
+}
+
+void PluginView::forceRedraw()
+{
+    notImplemented();
+}
+
+
+// ----------------- Event handling --------------------
+
+void PluginView::handleMouseEvent(MouseEvent* event)
+{
+    EventRecord record;
+
+    if (event->type() == eventNames().mousemoveEvent) {
+        // Mouse movement is handled by null timer events
+        return;
+    } else if (event->type() == eventNames().mouseoverEvent) {
+        record.what = adjustCursorEvent;
+    } else if (event->type() == eventNames().mouseoutEvent) {
+        record.what = adjustCursorEvent;
+    } else if (event->type() == eventNames().mousedownEvent) {
+        record.what = mouseDown;
+        // The plugin needs focus to receive keyboard events
+        if (Page* page = m_parentFrame->page())
+            page->focusController()->setFocusedFrame(m_parentFrame);
+        m_parentFrame->document()->setFocusedNode(m_element);
+    } else if (event->type() == eventNames().mouseupEvent) {
+        record.what = mouseUp;
+    } else {
+        return;
+    }
+
+    record.where = globalMousePosForPlugin();
+    record.modifiers = modifiersForEvent(event);
+
+    if (!event->buttonDown())
+        record.modifiers |= btnState;
+
+    if (event->button() == 2)
+        record.modifiers |= controlKey;
+
+    if (!dispatchNPEvent(record)) {
+        if (record.what == adjustCursorEvent)
+            return; // Signals that the plugin wants a normal cursor
+
+        LOG(Events, "PluginView::handleMouseEvent(): Mouse event type %d at %d,%d not accepted",
+                record.what, record.where.h, record.where.v);
+    } else {
+        event->setDefaultHandled();
+    }
+}
+
+void PluginView::handleKeyboardEvent(KeyboardEvent* event)
+{
+    LOG(Plugin, "PluginView::handleKeyboardEvent() ----------------- ");
+
+    LOG(Plugin, "PV::hKE(): KE.keyCode: 0x%02X, KE.charCode: %d",
+            event->keyCode(), event->charCode());
+
+    EventRecord record;
+
+    if (event->type() == eventNames().keydownEvent) {
+        // This event is the result of a PlatformKeyboardEvent::KeyDown which
+        // was disambiguated into a PlatformKeyboardEvent::RawKeyDown. Since
+        // we don't have access to the text here, we return, and wait for the
+        // corresponding event based on PlatformKeyboardEvent::Char.
+        return;
+    } else if (event->type() == eventNames().keypressEvent) {
+        // Which would be this one. This event was disambiguated from the same
+        // PlatformKeyboardEvent::KeyDown, but to a PlatformKeyboardEvent::Char,
+        // which retains the text from the original event. So, we can safely pass
+        // on the event as a key-down event to the plugin.
+        record.what = keyDown;
+    } else if (event->type() == eventNames().keyupEvent) {
+        // PlatformKeyboardEvent::KeyUp events always have the text, so nothing
+        // fancy here.
+        record.what = keyUp;
+    } else {
+        return;
+    }
+
+    const PlatformKeyboardEvent* platformEvent = event->keyEvent();
+    int keyCode = platformEvent->nativeVirtualKeyCode();
+
+    const String text = platformEvent->text();
+    if (text.length() < 1) {
+        event->setDefaultHandled();
+        return;
+    }
+
+    WTF::RetainPtr<CFStringRef> cfText(WTF::AdoptCF, text.createCFString());
+
+    LOG(Plugin, "PV::hKE(): PKE.text: %s, PKE.unmodifiedText: %s, PKE.keyIdentifier: %s",
+            text.ascii().data(), platformEvent->unmodifiedText().ascii().data(),
+            platformEvent->keyIdentifier().ascii().data());
+
+    char charCodes[2] = { 0, 0 };
+    if (!CFStringGetCString(cfText.get(), charCodes, 2, CFStringGetSystemEncoding())) {
+        LOG_ERROR("Could not resolve character code using system encoding.");
+        event->setDefaultHandled();
+        return;
+    }
+
+    record.where = globalMousePosForPlugin();
+    record.modifiers = modifiersForEvent(event);
+    record.message = ((keyCode & 0xFF) << 8) | (charCodes[0] & 0xFF);
+    record.when = TickCount();
+
+    LOG(Plugin, "PV::hKE(): record.modifiers: %d", record.modifiers);
+
+    LOG(Plugin, "PV::hKE(): PKE.qtEvent()->nativeVirtualKey: 0x%02X, charCode: %d",
+               keyCode, int(uchar(charCodes[0])));
+
+    if (!dispatchNPEvent(record))
+        LOG(Events, "PluginView::handleKeyboardEvent(): Keyboard event type %d not accepted", record.what);
+    else
+        event->setDefaultHandled();
+}
+
+void PluginView::nullEventTimerFired(Timer<PluginView>*)
+{
+    EventRecord record;
+
+    record.what = nullEvent;
+    record.message = 0;
+    record.when = TickCount();
+    record.where = globalMousePosForPlugin();
+    record.modifiers = GetCurrentKeyModifiers();
+    if (!Button())
+        record.modifiers |= btnState;
+
+    if (!dispatchNPEvent(record))
+        LOG(Events, "PluginView::nullEventTimerFired(): Null event not accepted");
+}
+
+static int modifiersForEvent(UIEventWithKeyState* event)
+{
+    int modifiers = 0;
+
+    if (event->ctrlKey())
+        modifiers |= controlKey;
+
+    if (event->altKey())
+        modifiers |= optionKey;
+
+    if (event->metaKey())
+        modifiers |= cmdKey;
+
+    if (event->shiftKey())
+        modifiers |= shiftKey;
+
+     return modifiers;
+}
+
+static bool tigerOrBetter()
+{
+    static SInt32 systemVersion = 0;
+
+    if (!systemVersion) {
+        if (Gestalt(gestaltSystemVersion, &systemVersion) != noErr)
+            return false;
+    }
+
+    return systemVersion >= 0x1040;
+}
+
+Point PluginView::globalMousePosForPlugin() const
+{
+    Point pos;
+    GetGlobalMouse(&pos);
+
+    IntPoint offset = topLevelOffsetFor(platformPluginWidget());
+    pos.h -= offset.x();
+    pos.v -= offset.y();
+
+    float scaleFactor = tigerOrBetter() ? HIGetScaleFactor() : 1;
+
+    pos.h = short(pos.h * scaleFactor);
+    pos.v = short(pos.v * scaleFactor);
+
+    return pos;
+}
+
+bool PluginView::dispatchNPEvent(NPEvent& event)
+{
+    PluginView::setCurrentPluginView(this);
+    JSC::JSLock::DropAllLocks dropAllLocks(false);
+    setCallingPlugin(true);
+
+    bool accepted = m_plugin->pluginFuncs()->event(m_instance, &event);
+
+    setCallingPlugin(false);
+    PluginView::setCurrentPluginView(0);
+    return accepted;
+}
+
+// ------------------- Miscellaneous  ------------------
+
+static const char* MozillaUserAgent = "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0";
+
+const char* PluginView::userAgent()
+{
+    if (m_plugin->quirks().contains(PluginQuirkWantsMozillaUserAgent))
+        return MozillaUserAgent;
+
+    if (m_userAgent.isNull())
+        m_userAgent = m_parentFrame->loader()->userAgent(m_url).utf8();
+
+    return m_userAgent.data();
+}
+
+const char* PluginView::userAgentStatic()
+{
+    return MozillaUserAgent;
+}
+
+NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32 len, const char* buf)
+{
+    String filename(buf, len);
+
+    if (filename.startsWith("file:///"))
+        filename = filename.substring(8);
+
+    if (!fileExists(filename))
+        return NPERR_FILE_NOT_FOUND;
+
+    FILE* fileHandle = fopen((filename.utf8()).data(), "r");
+
+    if (fileHandle == 0)
+        return NPERR_FILE_NOT_FOUND;
+
+    int bytesRead = fread(buffer.data(), 1, 0, fileHandle);
+
+    fclose(fileHandle);
+
+    if (bytesRead <= 0)
+        return NPERR_FILE_NOT_FOUND;
+
+    return NPERR_NO_ERROR;
+}
+
+} // namespace WebCore
+
+#endif // !__LP64__