1 files changed, 740 insertions, 0 deletions
diff --git a/WebCore/page/DOMWindow.cpp b/WebCore/page/DOMWindow.cpp
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--- /dev/null
+++ b/WebCore/page/DOMWindow.cpp
@@ -0,0 +1,740 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ *
+ * 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. 
+ */
+
+#include "config.h"
+#include "DOMWindow.h"
+
+#include "BarInfo.h"
+#include "CSSComputedStyleDeclaration.h"
+#include "CSSRuleList.h"
+#include "CSSStyleSelector.h"
+#include "Chrome.h"
+#include "Console.h"
+#include "DOMSelection.h"
+#include "Document.h"
+#include "Element.h"
+#include "FloatRect.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "FrameTree.h"
+#include "FrameView.h"
+#include "History.h"
+#include "MessageEvent.h"
+#include "Page.h"
+#include "PlatformScreen.h"
+#include "PlatformString.h"
+#include "Screen.h"
+#include <algorithm>
+#include <wtf/MathExtras.h>
+
+#if ENABLE(DATABASE)
+#include "Database.h"
+#endif
+
+using std::min;
+using std::max;
+
+namespace WebCore {
+
+// This function:
+// 1) Validates the pending changes are not changing to NaN
+// 2) Constrains the window rect to no smaller than 100 in each dimension and no
+//    bigger than the the float rect's dimensions.
+// 3) Constrain window rect to within the top and left boundaries of the screen rect
+// 4) Constraint the window rect to within the bottom and right boundaries of the
+//    screen rect.
+// 5) Translate the window rect coordinates to be within the coordinate space of
+//    the screen rect.
+void DOMWindow::adjustWindowRect(const FloatRect& screen, FloatRect& window, const FloatRect& pendingChanges)
+{
+    // Make sure we're in a valid state before adjusting dimensions.
+    ASSERT(isfinite(screen.x()));
+    ASSERT(isfinite(screen.y()));
+    ASSERT(isfinite(screen.width()));
+    ASSERT(isfinite(screen.height()));
+    ASSERT(isfinite(window.x()));
+    ASSERT(isfinite(window.y()));
+    ASSERT(isfinite(window.width()));
+    ASSERT(isfinite(window.height()));
+    
+    // Update window values if new requested values are not NaN.
+    if (!isnan(pendingChanges.x()))
+        window.setX(pendingChanges.x());
+    if (!isnan(pendingChanges.y()))
+        window.setY(pendingChanges.y());
+    if (!isnan(pendingChanges.width()))
+        window.setWidth(pendingChanges.width());
+    if (!isnan(pendingChanges.height()))
+        window.setHeight(pendingChanges.height());
+    
+    // Resize the window to between 100 and the screen width and height.
+    window.setWidth(min(max(100.0f, window.width()), screen.width()));
+    window.setHeight(min(max(100.0f, window.height()), screen.height()));
+    
+    // Constrain the window position to the screen.
+    window.setX(max(screen.x(), min(window.x(), screen.right() - window.width())));
+    window.setY(max(screen.y(), min(window.y(), screen.bottom() - window.height())));
+}
+
+DOMWindow::DOMWindow(Frame* frame)
+    : m_frame(frame)
+{
+}
+
+DOMWindow::~DOMWindow()
+{
+}
+
+void DOMWindow::disconnectFrame()
+{
+    m_frame = 0;
+    clear();
+}
+
+void DOMWindow::clear()
+{
+    if (m_screen)
+        m_screen->disconnectFrame();
+    m_screen = 0;
+
+    if (m_selection)
+        m_selection->disconnectFrame();
+    m_selection = 0;
+
+    if (m_history)
+        m_history->disconnectFrame();
+    m_history = 0;
+
+    if (m_locationbar)
+        m_locationbar->disconnectFrame();
+    m_locationbar = 0;
+
+    if (m_menubar)
+        m_menubar->disconnectFrame();
+    m_menubar = 0;
+
+    if (m_personalbar)
+        m_personalbar->disconnectFrame();
+    m_personalbar = 0;
+
+    if (m_scrollbars)
+        m_scrollbars->disconnectFrame();
+    m_scrollbars = 0;
+
+    if (m_statusbar)
+        m_statusbar->disconnectFrame();
+    m_statusbar = 0;
+
+    if (m_toolbar)
+        m_toolbar->disconnectFrame();
+    m_toolbar = 0;
+
+    if (m_console)
+        m_console->disconnectFrame();
+    m_console = 0;
+}
+
+Screen* DOMWindow::screen() const
+{
+    if (!m_screen)
+        m_screen = Screen::create(m_frame);
+    return m_screen.get();
+}
+
+History* DOMWindow::history() const
+{
+    if (!m_history)
+        m_history = History::create(m_frame);
+    return m_history.get();
+}
+
+BarInfo* DOMWindow::locationbar() const
+{
+    if (!m_locationbar)
+        m_locationbar = BarInfo::create(m_frame, BarInfo::Locationbar);
+    return m_locationbar.get();
+}
+
+BarInfo* DOMWindow::menubar() const
+{
+    if (!m_menubar)
+        m_menubar = BarInfo::create(m_frame, BarInfo::Menubar);
+    return m_menubar.get();
+}
+
+BarInfo* DOMWindow::personalbar() const
+{
+    if (!m_personalbar)
+        m_personalbar = BarInfo::create(m_frame, BarInfo::Personalbar);
+    return m_personalbar.get();
+}
+
+BarInfo* DOMWindow::scrollbars() const
+{
+    if (!m_scrollbars)
+        m_scrollbars = BarInfo::create(m_frame, BarInfo::Scrollbars);
+    return m_scrollbars.get();
+}
+
+BarInfo* DOMWindow::statusbar() const
+{
+    if (!m_statusbar)
+        m_statusbar = BarInfo::create(m_frame, BarInfo::Statusbar);
+    return m_statusbar.get();
+}
+
+BarInfo* DOMWindow::toolbar() const
+{
+    if (!m_toolbar)
+        m_toolbar = BarInfo::create(m_frame, BarInfo::Toolbar);
+    return m_toolbar.get();
+}
+
+Console* DOMWindow::console() const
+{
+    if (!m_console)
+        m_console = Console::create(m_frame);
+    return m_console.get();
+}
+
+#if ENABLE(CROSS_DOCUMENT_MESSAGING)
+void DOMWindow::postMessage(const String& message, const String& domain, const String& uri, DOMWindow* source) const
+{
+   ExceptionCode ec;
+   document()->dispatchEvent(new MessageEvent(message, domain, uri, source), ec, true);
+}
+#endif
+
+DOMSelection* DOMWindow::getSelection()
+{
+    if (!m_selection)
+        m_selection = DOMSelection::create(m_frame);
+    return m_selection.get();
+}
+
+Element* DOMWindow::frameElement() const
+{
+    if (!m_frame)
+        return 0;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (!doc)
+        return 0;
+
+    // FIXME: could this use m_frame->ownerElement() instead of going through the Document.
+    return doc->ownerElement();
+}
+
+void DOMWindow::focus()
+{
+    if (!m_frame)
+        return;
+
+    m_frame->focusWindow();
+}
+
+void DOMWindow::blur()
+{
+    if (!m_frame)
+        return;
+
+    m_frame->unfocusWindow();
+}
+
+void DOMWindow::close()
+{
+    if (!m_frame)
+        return;
+
+    if (m_frame->loader()->openedByDOM() || m_frame->loader()->getHistoryLength() <= 1)
+        m_frame->scheduleClose();
+}
+
+void DOMWindow::print()
+{
+    if (!m_frame)
+        return;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    page->chrome()->print(m_frame);
+}
+
+void DOMWindow::stop()
+{
+    if (!m_frame)
+        return;
+
+    // We must check whether the load is complete asynchronously, because we might still be parsing
+    // the document until the callstack unwinds.
+    m_frame->loader()->stopForUserCancel(true);
+}
+
+void DOMWindow::alert(const String& message)
+{
+    if (!m_frame)
+        return;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateRendering();
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    page->chrome()->runJavaScriptAlert(m_frame, message);
+}
+
+bool DOMWindow::confirm(const String& message)
+{
+    if (!m_frame)
+        return false;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateRendering();
+
+    Page* page = m_frame->page();
+    if (!page)
+        return false;
+
+    return page->chrome()->runJavaScriptConfirm(m_frame, message);
+}
+
+String DOMWindow::prompt(const String& message, const String& defaultValue)
+{
+    if (!m_frame)
+        return String();
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateRendering();
+
+    Page* page = m_frame->page();
+    if (!page)
+        return String();
+
+    String returnValue;
+    if (page->chrome()->runJavaScriptPrompt(m_frame, message, defaultValue, returnValue))
+        return returnValue;
+
+    return String();
+}
+
+bool DOMWindow::find(const String& string, bool caseSensitive, bool backwards, bool wrap, bool wholeWord, bool searchInFrames, bool showDialog) const
+{
+    if (!m_frame)
+        return false;
+
+    // FIXME (13016): Support wholeWord, searchInFrames and showDialog
+    return m_frame->findString(string, !backwards, caseSensitive, wrap, false);
+}
+
+bool DOMWindow::offscreenBuffering() const
+{
+    return true;
+}
+
+int DOMWindow::outerHeight() const
+{
+    if (!m_frame)
+        return 0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0;
+
+    return static_cast<int>(page->chrome()->windowRect().height());
+}
+
+int DOMWindow::outerWidth() const
+{
+    if (!m_frame)
+        return 0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0;
+
+    return static_cast<int>(page->chrome()->windowRect().width());
+}
+
+int DOMWindow::innerHeight() const
+{
+    if (!m_frame)
+        return 0;
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return 0;
+
+    return view->height();
+}
+
+int DOMWindow::innerWidth() const
+{
+    if (!m_frame)
+        return 0;
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return 0;
+
+    return view->width();
+}
+
+int DOMWindow::screenX() const
+{
+    if (!m_frame)
+        return 0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0;
+
+    return static_cast<int>(page->chrome()->windowRect().x());
+}
+
+int DOMWindow::screenY() const
+{
+    if (!m_frame)
+        return 0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0;
+
+    return static_cast<int>(page->chrome()->windowRect().y());
+}
+
+int DOMWindow::scrollX() const
+{
+    if (!m_frame)
+        return 0;
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return 0;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateLayoutIgnorePendingStylesheets();
+
+    return view->contentsX();
+}
+
+int DOMWindow::scrollY() const
+{
+    if (!m_frame)
+        return 0;
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return 0;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateLayoutIgnorePendingStylesheets();
+
+    return view->contentsY();
+}
+
+bool DOMWindow::closed() const
+{
+    return !m_frame;
+}
+
+unsigned DOMWindow::length() const
+{
+    if (!m_frame)
+        return 0;
+
+    return m_frame->tree()->childCount();
+}
+
+String DOMWindow::name() const
+{
+    if (!m_frame)
+        return String();
+
+    return m_frame->tree()->name();
+}
+
+void DOMWindow::setName(const String& string)
+{
+    if (!m_frame)
+        return;
+
+    m_frame->tree()->setName(string);
+}
+
+String DOMWindow::status() const
+{
+    if (!m_frame)
+        return String();
+
+    return m_frame->jsStatusBarText();
+}
+
+void DOMWindow::setStatus(const String& string) 
+{ 
+    if (!m_frame) 
+        return; 
+
+    m_frame->setJSStatusBarText(string); 
+} 
+    
+String DOMWindow::defaultStatus() const
+{
+    if (!m_frame)
+        return String();
+
+    return m_frame->jsDefaultStatusBarText();
+} 
+
+void DOMWindow::setDefaultStatus(const String& string) 
+{ 
+    if (!m_frame) 
+        return; 
+
+    m_frame->setJSDefaultStatusBarText(string);
+}
+
+DOMWindow* DOMWindow::self() const
+{
+    if (!m_frame)
+        return 0;
+
+    return m_frame->domWindow();
+}
+
+DOMWindow* DOMWindow::opener() const
+{
+    if (!m_frame)
+        return 0;
+
+    Frame* opener = m_frame->loader()->opener();
+    if (!opener)
+        return 0;
+
+    return opener->domWindow();
+}
+
+DOMWindow* DOMWindow::parent() const
+{
+    if (!m_frame)
+        return 0;
+
+    Frame* parent = m_frame->tree()->parent();
+    if (parent)
+        return parent->domWindow();
+
+    return m_frame->domWindow();
+}
+
+DOMWindow* DOMWindow::top() const
+{
+    if (!m_frame)
+        return 0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0;
+
+    return page->mainFrame()->domWindow();
+}
+
+Document* DOMWindow::document() const
+{
+    if (!m_frame)
+        return 0;
+
+    ASSERT(m_frame->document());
+    return m_frame->document();
+}
+
+PassRefPtr<CSSStyleDeclaration> DOMWindow::getComputedStyle(Element* elt, const String&) const
+{
+    if (!elt)
+        return 0;
+
+    // FIXME: This needs to work with pseudo elements.
+    return new CSSComputedStyleDeclaration(elt);
+}
+
+PassRefPtr<CSSRuleList> DOMWindow::getMatchedCSSRules(Element* elt, const String& pseudoElt, bool authorOnly) const
+{
+    if (!m_frame)
+        return 0;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (!doc)
+        return 0;
+
+    if (!pseudoElt.isEmpty())
+        return doc->styleSelector()->pseudoStyleRulesForElement(elt, pseudoElt.impl(), authorOnly);
+    return doc->styleSelector()->styleRulesForElement(elt, authorOnly);
+}
+
+double DOMWindow::devicePixelRatio() const
+{
+    if (!m_frame)
+        return 0.0;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return 0.0;
+
+    return page->chrome()->scaleFactor();
+}
+
+#if ENABLE(DATABASE)
+PassRefPtr<Database> DOMWindow::openDatabase(const String& name, const String& version, const String& displayName, unsigned long estimatedSize, ExceptionCode& ec)
+{
+    if (!m_frame)
+        return 0;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (!doc)
+        return 0;
+
+    return Database::openDatabase(doc, name, version, displayName, estimatedSize, ec);
+}
+#endif
+
+void DOMWindow::scrollBy(int x, int y) const
+{
+    if (!m_frame)
+        return;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateLayoutIgnorePendingStylesheets();
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return;
+
+    view->scrollBy(x, y);
+}
+
+void DOMWindow::scrollTo(int x, int y) const
+{
+    if (!m_frame)
+        return;
+
+    Document* doc = m_frame->document();
+    ASSERT(doc);
+    if (doc)
+        doc->updateLayoutIgnorePendingStylesheets();
+
+    FrameView* view = m_frame->view();
+    if (!view)
+        return;
+
+    view->setContentsPos(x, y);
+}
+
+void DOMWindow::moveBy(float x, float y) const
+{
+    if (!m_frame)
+        return;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    FloatRect fr = page->chrome()->windowRect();
+    FloatRect update = fr;
+    update.move(x, y);
+    // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
+    adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update);
+    page->chrome()->setWindowRect(fr);
+}
+
+void DOMWindow::moveTo(float x, float y) const
+{
+    if (!m_frame)
+        return;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    FloatRect fr = page->chrome()->windowRect();
+    FloatRect sr = screenAvailableRect(page->mainFrame()->view());
+    fr.setLocation(sr.location());
+    FloatRect update = fr;
+    update.move(x, y);     
+    // Security check (the spec talks about UniversalBrowserWrite to disable this check...)
+    adjustWindowRect(sr, fr, update);
+    page->chrome()->setWindowRect(fr);
+}
+
+void DOMWindow::resizeBy(float x, float y) const
+{
+    if (!m_frame)
+        return;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    FloatRect fr = page->chrome()->windowRect();
+    FloatSize dest = fr.size() + FloatSize(x, y);
+    FloatRect update(fr.location(), dest);
+    adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update);
+    page->chrome()->setWindowRect(fr);
+}
+
+void DOMWindow::resizeTo(float width, float height) const
+{
+    if (!m_frame)
+        return;
+
+    Page* page = m_frame->page();
+    if (!page)
+        return;
+
+    FloatRect fr = page->chrome()->windowRect();
+    FloatSize dest = FloatSize(width, height);
+    FloatRect update(fr.location(), dest);
+    adjustWindowRect(screenAvailableRect(page->mainFrame()->view()), fr, update);
+    page->chrome()->setWindowRect(fr);
+}
+
+} // namespace WebCore