Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 418 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/WebPage/qt/WebPageQt.cpp b/Source/WebKit2/WebProcess/WebPage/qt/WebPageQt.cpp
new file mode 100644
index 000000000..55080d03c
--- /dev/null
+++ b/Source/WebKit2/WebProcess/WebPage/qt/WebPageQt.cpp
@@ -0,0 +1,418 @@
+/*
+ * Copyright (C) 2010 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 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 "WebPage.h"
+
+#include "NotImplemented.h"
+#include "WebEditorClient.h"
+#include "WebEvent.h"
+#include "WebPageProxyMessages.h"
+#include "WebProcess.h"
+#include <WebCore/FocusController.h>
+#include <WebCore/Frame.h>
+#include <WebCore/KeyboardEvent.h>
+#include <WebCore/Page.h>
+#include <WebCore/PlatformKeyboardEvent.h>
+#include <WebCore/Range.h>
+#include <WebCore/Settings.h>
+#include <WebCore/Text.h>
+#include <WebCore/TextIterator.h>
+
+#ifndef VK_UNKNOWN
+#define VK_UNKNOWN 0
+#define VK_BACK 0x08
+#define VK_TAB 0x09
+#define VK_CLEAR 0x0C
+#define VK_RETURN 0x0D
+#define VK_SHIFT 0x10
+#define VK_CONTROL 0x11 // CTRL key
+#define VK_MENU 0x12 // ALT key
+#define VK_PAUSE 0x13 // PAUSE key
+#define VK_CAPITAL 0x14 // CAPS LOCK key
+#define VK_KANA 0x15 // Input Method Editor (IME) Kana mode
+#define VK_HANGUL 0x15 // IME Hangul mode
+#define VK_JUNJA 0x17 // IME Junja mode
+#define VK_FINAL 0x18 // IME final mode
+#define VK_HANJA 0x19 // IME Hanja mode 
+#define VK_KANJI 0x19 // IME Kanji mode
+#define VK_ESCAPE 0x1B // ESC key
+#define VK_CONVERT 0x1C // IME convert
+#define VK_NONCONVERT 0x1D // IME nonconvert
+#define VK_ACCEPT 0x1E // IME accept
+#define VK_MODECHANGE 0x1F // IME mode change request
+#define VK_SPACE 0x20 // SPACE key
+#define VK_PRIOR 0x21 // PAGE UP key
+#define VK_NEXT 0x22 // PAGE DOWN key
+#define VK_END 0x23 // END key
+#define VK_HOME 0x24 // HOME key
+#define VK_LEFT 0x25 // LEFT ARROW key
+#define VK_UP 0x26 // UP ARROW key
+#define VK_RIGHT 0x27 // RIGHT ARROW key
+#define VK_DOWN 0x28 // DOWN ARROW key
+#define VK_SELECT 0x29 // SELECT key
+#define VK_PRINT 0x2A // PRINT key
+#define VK_EXECUTE 0x2B // EXECUTE key
+#define VK_SNAPSHOT 0x2C // PRINT SCREEN key
+#define VK_INSERT 0x2D // INS key
+#define VK_DELETE 0x2E // DEL key
+#define VK_HELP 0x2F // HELP key
+// Windows 2000/XP: For any country/region, the '.' key
+#define VK_OEM_PERIOD 0xBE
+#endif
+
+using namespace WebCore;
+
+namespace WebKit {
+    
+void WebPage::platformInitialize()
+{
+    Settings* settings = m_page->settings();
+
+    // If accelerated compositing is enabled, we want to be in force-compositing mode, so that we don't switch between composited/non-composited state.
+    settings->setForceCompositingMode(true);
+}
+
+void WebPage::platformPreferencesDidChange(const WebPreferencesStore&)
+{
+}
+
+static const unsigned CtrlKey = 1 << 0;
+static const unsigned AltKey = 1 << 1;
+static const unsigned ShiftKey = 1 << 2;
+
+struct KeyDownEntry {
+    unsigned virtualKey;
+    unsigned modifiers;
+    const char* name;
+};
+
+struct KeyPressEntry {
+    unsigned charCode;
+    unsigned modifiers;
+    const char* name;
+};
+
+static const KeyDownEntry keyDownEntries[] = {
+    { VK_LEFT,   0,                  "MoveLeft"                                    },
+    { VK_LEFT,   ShiftKey,           "MoveLeftAndModifySelection"                  },
+    { VK_LEFT,   CtrlKey,            "MoveWordLeft"                                },
+    { VK_LEFT,   CtrlKey | ShiftKey, "MoveWordLeftAndModifySelection"              },
+    { VK_RIGHT,  0,                  "MoveRight"                                   },
+    { VK_RIGHT,  ShiftKey,           "MoveRightAndModifySelection"                 },
+    { VK_RIGHT,  CtrlKey,            "MoveWordRight"                               },
+    { VK_RIGHT,  CtrlKey | ShiftKey, "MoveWordRightAndModifySelection"             },
+    { VK_UP,     0,                  "MoveUp"                                      },
+    { VK_UP,     ShiftKey,           "MoveUpAndModifySelection"                    },
+    { VK_PRIOR,  ShiftKey,           "MovePageUpAndModifySelection"                },
+    { VK_DOWN,   0,                  "MoveDown"                                    },
+    { VK_DOWN,   ShiftKey,           "MoveDownAndModifySelection"                  },
+    { VK_NEXT,   ShiftKey,           "MovePageDownAndModifySelection"              },
+    { VK_PRIOR,  0,                  "MovePageUp"                                  },
+    { VK_NEXT,   0,                  "MovePageDown"                                },
+    { VK_HOME,   0,                  "MoveToBeginningOfLine"                       },
+    { VK_HOME,   ShiftKey,           "MoveToBeginningOfLineAndModifySelection"     },
+    { VK_HOME,   CtrlKey,            "MoveToBeginningOfDocument"                   },
+    { VK_HOME,   CtrlKey | ShiftKey, "MoveToBeginningOfDocumentAndModifySelection" },
+    
+    { VK_END,    0,                  "MoveToEndOfLine"                             },
+    { VK_END,    ShiftKey,           "MoveToEndOfLineAndModifySelection"           },
+    { VK_END,    CtrlKey,            "MoveToEndOfDocument"                         },
+    { VK_END,    CtrlKey | ShiftKey, "MoveToEndOfDocumentAndModifySelection"       },
+    
+    { VK_BACK,   0,                  "DeleteBackward"                              },
+    { VK_BACK,   ShiftKey,           "DeleteBackward"                              },
+    { VK_DELETE, 0,                  "DeleteForward"                               },
+    { VK_BACK,   CtrlKey,            "DeleteWordBackward"                          },
+    { VK_DELETE, CtrlKey,            "DeleteWordForward"                           },
+    
+    { 'B',       CtrlKey,            "ToggleBold"                                  },
+    { 'I',       CtrlKey,            "ToggleItalic"                                },
+    
+    { VK_ESCAPE, 0,                  "Cancel"                                      },
+    { VK_OEM_PERIOD, CtrlKey,        "Cancel"                                      },
+    { VK_TAB,    0,                  "InsertTab"                                   },
+    { VK_TAB,    ShiftKey,           "InsertBacktab"                               },
+    { VK_RETURN, 0,                  "InsertNewline"                               },
+    { VK_RETURN, CtrlKey,            "InsertNewline"                               },
+    { VK_RETURN, AltKey,             "InsertNewline"                               },
+    { VK_RETURN, ShiftKey,           "InsertNewline"                               },
+    { VK_RETURN, AltKey | ShiftKey,  "InsertNewline"                               },
+    
+    // It's not quite clear whether clipboard shortcuts and Undo/Redo should be handled
+    // in the application or in WebKit. We chose WebKit.
+    { 'C',       CtrlKey,            "Copy"                                        },
+    { 'V',       CtrlKey,            "Paste"                                       },
+    { 'X',       CtrlKey,            "Cut"                                         },
+    { 'A',       CtrlKey,            "SelectAll"                                   },
+    { VK_INSERT, CtrlKey,            "Copy"                                        },
+    { VK_DELETE, ShiftKey,           "Cut"                                         },
+    { VK_INSERT, ShiftKey,           "Paste"                                       },
+    { 'Z',       CtrlKey,            "Undo"                                        },
+    { 'Z',       CtrlKey | ShiftKey, "Redo"                                        },
+};
+
+static const KeyPressEntry keyPressEntries[] = {
+    { '\t',   0,                  "InsertTab"                                   },
+    { '\t',   ShiftKey,           "InsertBacktab"                               },
+    { '\r',   0,                  "InsertNewline"                               },
+    { '\r',   CtrlKey,            "InsertNewline"                               },
+    { '\r',   AltKey,             "InsertNewline"                               },
+    { '\r',   ShiftKey,           "InsertNewline"                               },
+    { '\r',   AltKey | ShiftKey,  "InsertNewline"                               },
+};
+
+const char* WebPage::interpretKeyEvent(const KeyboardEvent* evt)
+{
+    ASSERT(evt->type() == eventNames().keydownEvent || evt->type() == eventNames().keypressEvent);
+    
+    static HashMap<int, const char*>* keyDownCommandsMap = 0;
+    static HashMap<int, const char*>* keyPressCommandsMap = 0;
+    
+    if (!keyDownCommandsMap) {
+        keyDownCommandsMap = new HashMap<int, const char*>;
+        keyPressCommandsMap = new HashMap<int, const char*>;
+        
+        for (unsigned i = 0; i < (sizeof(keyDownEntries) / sizeof(keyDownEntries[0])); i++)
+            keyDownCommandsMap->set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].name);
+        
+        for (unsigned i = 0; i < (sizeof(keyPressEntries) / sizeof(keyPressEntries[0])); i++)
+            keyPressCommandsMap->set(keyPressEntries[i].modifiers << 16 | keyPressEntries[i].charCode, keyPressEntries[i].name);
+    }
+    
+    unsigned modifiers = 0;
+    if (evt->shiftKey())
+        modifiers |= ShiftKey;
+    if (evt->altKey())
+        modifiers |= AltKey;
+    if (evt->ctrlKey())
+        modifiers |= CtrlKey;
+    
+    if (evt->type() == eventNames().keydownEvent) {
+        int mapKey = modifiers << 16 | evt->keyEvent()->windowsVirtualKeyCode();
+        return mapKey ? keyDownCommandsMap->get(mapKey) : 0;
+    }
+    
+    int mapKey = modifiers << 16 | evt->charCode();
+    return mapKey ? keyPressCommandsMap->get(mapKey) : 0;
+}
+
+static inline void scroll(Page* page, ScrollDirection direction, ScrollGranularity granularity)
+{
+    page->focusController()->focusedOrMainFrame()->eventHandler()->scrollRecursively(direction, granularity);
+}
+
+static inline void logicalScroll(Page* page, ScrollLogicalDirection direction, ScrollGranularity granularity)
+{
+    page->focusController()->focusedOrMainFrame()->eventHandler()->logicalScrollRecursively(direction, granularity);
+}
+
+bool WebPage::performDefaultBehaviorForKeyEvent(const WebKeyboardEvent& keyboardEvent)
+{
+    if (keyboardEvent.type() != WebEvent::KeyDown && keyboardEvent.type() != WebEvent::RawKeyDown)
+        return false;
+
+    switch (keyboardEvent.windowsVirtualKeyCode()) {
+    case VK_BACK:
+        if (keyboardEvent.shiftKey())
+            m_page->goForward();
+        else
+            m_page->goBack();
+        break;
+    case VK_SPACE:
+        logicalScroll(m_page.get(), keyboardEvent.shiftKey() ? ScrollBlockDirectionBackward : ScrollBlockDirectionForward, ScrollByPage);
+        break;
+    case VK_LEFT:
+        scroll(m_page.get(), ScrollLeft, ScrollByLine);
+        break;
+    case VK_RIGHT:
+        scroll(m_page.get(), ScrollRight, ScrollByLine);
+        break;
+    case VK_UP:
+        scroll(m_page.get(), ScrollUp, ScrollByLine);
+        break;
+    case VK_DOWN:
+        scroll(m_page.get(), ScrollDown, ScrollByLine);
+        break;
+    case VK_HOME:
+        logicalScroll(m_page.get(), ScrollBlockDirectionBackward, ScrollByDocument);
+        break;
+    case VK_END:
+        logicalScroll(m_page.get(), ScrollBlockDirectionForward, ScrollByDocument);
+        break;
+    case VK_PRIOR:
+        logicalScroll(m_page.get(), ScrollBlockDirectionBackward, ScrollByPage);
+        break;
+    case VK_NEXT:
+        logicalScroll(m_page.get(), ScrollBlockDirectionForward, ScrollByPage);
+        break;
+    default:
+        return false;
+    }
+
+    return true;
+}
+
+bool WebPage::platformHasLocalDataForURL(const KURL&)
+{
+    notImplemented();
+    return false;
+}
+
+String WebPage::cachedResponseMIMETypeForURL(const KURL&)
+{
+    notImplemented();
+    return String();
+}
+
+bool WebPage::platformCanHandleRequest(const ResourceRequest&)
+{
+    notImplemented();
+    return true;
+}
+
+String WebPage::cachedSuggestedFilenameForURL(const KURL&)
+{
+    notImplemented();
+    return String();
+}
+
+PassRefPtr<SharedBuffer> WebPage::cachedResponseDataForURL(const KURL&)
+{
+    notImplemented();
+    return 0;
+}
+
+static Frame* targetFrameForEditing(WebPage* page)
+{
+    Frame* targetFrame = page->corePage()->focusController()->focusedOrMainFrame();
+
+    if (!targetFrame || !targetFrame->editor())
+        return 0;
+
+    Editor* editor = targetFrame->editor();
+    if (!editor->canEdit())
+        return 0;
+
+    if (editor->hasComposition()) {
+        // We should verify the parent node of this IME composition node are
+        // editable because JavaScript may delete a parent node of the composition
+        // node. In this case, WebKit crashes while deleting texts from the parent
+        // node, which doesn't exist any longer.
+        if (PassRefPtr<Range> range = editor->compositionRange()) {
+            Node* node = range->startContainer();
+            if (!node || !node->isContentEditable())
+                return 0;
+        }
+    }
+    return targetFrame;
+}
+
+void WebPage::confirmComposition(const String& compositionString, int64_t selectionStart, int64_t selectionLength)
+{
+    Frame* targetFrame = targetFrameForEditing(this);
+    if (!targetFrame)
+        return;
+
+    Editor* editor = targetFrame->editor();
+    editor->confirmComposition(compositionString);
+
+    RefPtr<Range> selectionRange;
+    if (selectionStart != -1) {
+        Element* scope = targetFrame->selection()->rootEditableElement();
+        selectionRange = TextIterator::rangeFromLocationAndLength(scope, selectionStart, selectionLength);
+        ASSERT_WITH_MESSAGE(selectionRange, "Invalid selection: [%lld:%lld] in text of length %d", static_cast<long long>(selectionStart), static_cast<long long>(selectionLength), scope->innerText().length());
+    }
+
+    if (selectionRange) {
+        VisibleSelection selection(selectionRange.get(), SEL_DEFAULT_AFFINITY);
+        targetFrame->selection()->setSelection(selection);
+    }
+
+    // FIXME: static_cast<WebEditorClient*>(editor->client())->sendSelectionChangedMessage();
+}
+
+void WebPage::setComposition(const String& text, Vector<CompositionUnderline> underlines, uint64_t selectionStart, uint64_t selectionEnd, uint64_t replacementStart, uint64_t replacementLength)
+{
+    Frame* targetFrame = targetFrameForEditing(this);
+    if (!targetFrame)
+        return;
+
+    Element* scope = targetFrame->selection()->rootEditableElement();
+
+    if (targetFrame->selection()->isContentEditable()) {
+        if (replacementLength > 0) {
+            // The layout needs to be uptodate before setting a selection
+            targetFrame->document()->updateLayout();
+
+            RefPtr<Range> replacementRange = TextIterator::rangeFromLocationAndLength(scope, replacementStart, replacementLength);
+
+            targetFrame->editor()->setIgnoreCompositionSelectionChange(true);
+            targetFrame->selection()->setSelection(VisibleSelection(replacementRange.get(), SEL_DEFAULT_AFFINITY));
+            targetFrame->editor()->setIgnoreCompositionSelectionChange(false);
+        }
+
+        targetFrame->editor()->setComposition(text, underlines, selectionStart, selectionEnd);
+
+        // FIXME: static_cast<WebEditorClient*>(targetFrame->editor()->client())->sendSelectionChangedMessage();
+    }
+}
+
+void WebPage::cancelComposition()
+{
+    Frame* frame = targetFrameForEditing(this);
+
+    frame->editor()->cancelComposition();
+
+    // FIXME: static_cast<WebEditorClient*>(targetFrame->editor()->client())->sendSelectionChangedMessage();
+}
+
+void WebPage::registerApplicationScheme(const String& scheme)
+{
+    QtNetworkAccessManager* qnam = qobject_cast<QtNetworkAccessManager*>(WebProcess::shared().networkAccessManager());
+    if (!qnam)
+        return;
+    qnam->registerApplicationScheme(this, QString(scheme));
+}
+
+void WebPage::receivedApplicationSchemeRequest(const QNetworkRequest& request, QtNetworkReply* reply)
+{
+    QtNetworkRequestData requestData(request, reply);
+    m_applicationSchemeReplies.add(requestData.m_replyUuid, reply);
+    send(Messages::WebPageProxy::ResolveApplicationSchemeRequest(requestData));
+}
+
+void WebPage::applicationSchemeReply(const QtNetworkReplyData& replyData)
+{
+    if (!m_applicationSchemeReplies.contains(replyData.m_replyUuid))
+        return;
+
+    QtNetworkReply* networkReply = m_applicationSchemeReplies.take(replyData.m_replyUuid);
+    networkReply->setReplyData(replyData);
+    networkReply->finalize();
+}
+
+} // namespace WebKit