| /* |
| * Copyright (C) 2010 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 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 "FontSmoothingLevel.h" |
| #include "WebEvent.h" |
| #include "WebPageProxyMessages.h" |
| #include "WebPreferencesStore.h" |
| #include <WebCore/FocusController.h> |
| #include <WebCore/FontRenderingMode.h> |
| #include <WebCore/Frame.h> |
| #include <WebCore/FrameView.h> |
| #include <WebCore/HitTestRequest.h> |
| #include <WebCore/HitTestResult.h> |
| #include <WebCore/KeyboardEvent.h> |
| #include <WebCore/Page.h> |
| #include <WebCore/PlatformKeyboardEvent.h> |
| #include <WebCore/RenderLayer.h> |
| #include <WebCore/RenderView.h> |
| #include <WebCore/ResourceHandle.h> |
| #include <WebCore/Settings.h> |
| #if USE(CG) |
| #include <WebKitSystemInterface/WebKitSystemInterface.h> |
| #endif |
| #include <WinUser.h> |
| |
| #if USE(CFNETWORK) |
| #include <CFNetwork/CFURLCachePriv.h> |
| #include <CFNetwork/CFURLProtocolPriv.h> |
| #include <CFNetwork/CFURLRequestPriv.h> |
| #endif |
| |
| using namespace WebCore; |
| |
| namespace WebKit { |
| |
| void WebPage::platformInitialize() |
| { |
| m_page->settings()->setFontRenderingMode(AlternateRenderingMode); |
| } |
| |
| void WebPage::platformPreferencesDidChange(const WebPreferencesStore& store) |
| { |
| FontSmoothingLevel fontSmoothingLevel = static_cast<FontSmoothingLevel>(store.getUInt32ValueForKey(WebPreferencesKey::fontSmoothingLevelKey())); |
| |
| #if USE(CG) |
| FontSmoothingLevel adjustedLevel = fontSmoothingLevel; |
| if (adjustedLevel == FontSmoothingLevelWindows) |
| adjustedLevel = FontSmoothingLevelMedium; |
| wkSetFontSmoothingLevel(adjustedLevel); |
| #endif |
| |
| m_page->settings()->setFontRenderingMode(fontSmoothingLevel == FontSmoothingLevelWindows ? AlternateRenderingMode : NormalRenderingMode); |
| } |
| |
| 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 (size_t i = 0; i < WTF_ARRAY_LENGTH(keyDownEntries); ++i) |
| keyDownCommandsMap->set(keyDownEntries[i].modifiers << 16 | keyDownEntries[i].virtualKey, keyDownEntries[i].name); |
| |
| for (size_t i = 0; i < WTF_ARRAY_LENGTH(keyPressEntries); ++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->keyCode(); |
| return mapKey ? keyDownCommandsMap->get(mapKey) : 0; |
| } |
| |
| int mapKey = modifiers << 16 | evt->charCode(); |
| return mapKey ? keyPressCommandsMap->get(mapKey) : 0; |
| } |
| |
| 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.isSystemKey()) |
| return false; |
| if (keyboardEvent.shiftKey()) |
| m_page->goForward(); |
| else |
| m_page->goBack(); |
| break; |
| case VK_LEFT: |
| if (keyboardEvent.isSystemKey()) |
| m_page->goBack(); |
| else |
| scroll(m_page.get(), ScrollLeft, ScrollByLine); |
| break; |
| case VK_RIGHT: |
| if (keyboardEvent.isSystemKey()) |
| m_page->goForward(); |
| else |
| scroll(m_page.get(), ScrollRight, ScrollByLine); |
| break; |
| case VK_UP: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| scroll(m_page.get(), ScrollUp, ScrollByLine); |
| break; |
| case VK_DOWN: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| scroll(m_page.get(), ScrollDown, ScrollByLine); |
| break; |
| case VK_HOME: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| logicalScroll(m_page.get(), ScrollBlockDirectionBackward, ScrollByDocument); |
| break; |
| case VK_END: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| logicalScroll(m_page.get(), ScrollBlockDirectionForward, ScrollByDocument); |
| break; |
| case VK_PRIOR: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| logicalScroll(m_page.get(), ScrollBlockDirectionBackward, ScrollByPage); |
| break; |
| case VK_NEXT: |
| if (keyboardEvent.isSystemKey()) |
| return false; |
| logicalScroll(m_page.get(), ScrollBlockDirectionForward, ScrollByPage); |
| break; |
| default: |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool WebPage::platformHasLocalDataForURL(const WebCore::KURL& url) |
| { |
| #if USE(CFNETWORK) |
| RetainPtr<CFURLRef> cfURL(AdoptCF, url.createCFURL()); |
| RetainPtr<CFMutableURLRequestRef> request(AdoptCF, CFURLRequestCreateMutable(0, cfURL.get(), kCFURLRequestCachePolicyReloadIgnoringCache, 60, 0)); |
| |
| RetainPtr<CFStringRef> userAgent(AdoptCF, userAgent().createCFString()); |
| CFURLRequestSetHTTPHeaderFieldValue(request.get(), CFSTR("User-Agent"), userAgent.get()); |
| |
| RetainPtr<CFURLCacheRef> cache; |
| #if USE(CFURLSTORAGESESSIONS) |
| if (CFURLStorageSessionRef storageSession = ResourceHandle::privateBrowsingStorageSession()) |
| cache.adoptCF(wkCopyURLCache(storageSession)); |
| else |
| #endif |
| cache.adoptCF(CFURLCacheCopySharedURLCache()); |
| |
| RetainPtr<CFCachedURLResponseRef> response(AdoptCF, CFURLCacheCopyResponseForRequest(cache.get(), request.get())); |
| return response; |
| #else |
| return false; |
| #endif |
| } |
| |
| String WebPage::cachedResponseMIMETypeForURL(const WebCore::KURL& url) |
| { |
| #if USE(CFNETWORK) |
| RetainPtr<CFURLRef> cfURL(AdoptCF, url.createCFURL()); |
| RetainPtr<CFMutableURLRequestRef> request(AdoptCF, CFURLRequestCreateMutable(0, cfURL.get(), kCFURLRequestCachePolicyReloadIgnoringCache, 60, 0)); |
| |
| RetainPtr<CFStringRef> userAgent(AdoptCF, userAgent().createCFString()); |
| CFURLRequestSetHTTPHeaderFieldValue(request.get(), CFSTR("User-Agent"), userAgent.get()); |
| |
| RetainPtr<CFURLCacheRef> cache; |
| #if USE(CFURLSTORAGESESSIONS) |
| if (CFURLStorageSessionRef storageSession = ResourceHandle::privateBrowsingStorageSession()) |
| cache.adoptCF(wkCopyURLCache(storageSession)); |
| else |
| #endif |
| cache.adoptCF(CFURLCacheCopySharedURLCache()); |
| |
| RetainPtr<CFCachedURLResponseRef> cachedResponse(AdoptCF, CFURLCacheCopyResponseForRequest(cache.get(), request.get())); |
| |
| CFURLResponseRef response = CFCachedURLResponseGetWrappedResponse(cachedResponse.get()); |
| |
| return response ? CFURLResponseGetMIMEType(response) : String(); |
| #else |
| return String(); |
| #endif |
| } |
| |
| bool WebPage::platformCanHandleRequest(const WebCore::ResourceRequest& request) |
| { |
| #if USE(CFNETWORK) |
| return CFURLProtocolCanHandleRequest(request.cfURLRequest()); |
| #else |
| return true; |
| #endif |
| } |
| |
| void WebPage::confirmComposition(const String& compositionString) |
| { |
| Frame* frame = m_page->focusController()->focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| frame->editor()->confirmComposition(compositionString); |
| } |
| |
| void WebPage::setComposition(const String& compositionString, const Vector<WebCore::CompositionUnderline>& underlines, uint64_t cursorPosition) |
| { |
| Frame* frame = m_page->focusController()->focusedOrMainFrame(); |
| if (!frame || !frame->editor()->canEdit()) |
| return; |
| frame->editor()->setComposition(compositionString, underlines, cursorPosition, 0); |
| } |
| |
| void WebPage::firstRectForCharacterInSelectedRange(const uint64_t characterPosition, WebCore::IntRect& resultRect) |
| { |
| Frame* frame = m_page->focusController()->focusedOrMainFrame(); |
| IntRect rect; |
| if (RefPtr<Range> range = frame->editor()->hasComposition() ? frame->editor()->compositionRange() : frame->selection()->selection().toNormalizedRange()) { |
| ExceptionCode ec = 0; |
| RefPtr<Range> tempRange = range->cloneRange(ec); |
| tempRange->setStart(tempRange->startContainer(ec), tempRange->startOffset(ec) + characterPosition, ec); |
| rect = frame->editor()->firstRectForRange(tempRange.get()); |
| } |
| resultRect = frame->view()->contentsToWindow(rect); |
| } |
| |
| void WebPage::getSelectedText(String& text) |
| { |
| Frame* frame = m_page->focusController()->focusedOrMainFrame(); |
| RefPtr<Range> selectedRange = frame->selection()->toNormalizedRange(); |
| text = selectedRange->text(); |
| } |
| |
| void WebPage::gestureWillBegin(const WebCore::IntPoint& point, bool& canBeginPanning) |
| { |
| m_gestureReachedScrollingLimit = false; |
| |
| bool hitScrollbar = false; |
| |
| HitTestRequest request(HitTestRequest::ReadOnly); |
| for (Frame* childFrame = m_page->mainFrame(); childFrame; childFrame = EventHandler::subframeForTargetNode(m_gestureTargetNode.get())) { |
| ScrollView* scollView = childFrame->view(); |
| if (!scollView) |
| break; |
| |
| RenderView* renderView = childFrame->document()->renderView(); |
| if (!renderView) |
| break; |
| |
| RenderLayer* layer = renderView->layer(); |
| if (!layer) |
| break; |
| |
| HitTestResult result = scollView->windowToContents(point); |
| layer->hitTest(request, result); |
| m_gestureTargetNode = result.innerNode(); |
| |
| if (!hitScrollbar) |
| hitScrollbar = result.scrollbar(); |
| } |
| |
| if (hitScrollbar) { |
| canBeginPanning = false; |
| return; |
| } |
| |
| if (!m_gestureTargetNode) { |
| canBeginPanning = false; |
| return; |
| } |
| |
| for (RenderObject* renderer = m_gestureTargetNode->renderer(); renderer; renderer = renderer->parent()) { |
| if (renderer->isBox() && toRenderBox(renderer)->canBeScrolledAndHasScrollableArea()) { |
| canBeginPanning = true; |
| return; |
| } |
| } |
| |
| canBeginPanning = false; |
| } |
| |
| static bool scrollbarAtTopOrBottomOfDocument(Scrollbar* scrollbar) |
| { |
| ASSERT_ARG(scrollbar, scrollbar); |
| return !scrollbar->currentPos() || scrollbar->currentPos() >= scrollbar->maximum(); |
| } |
| |
| void WebPage::gestureDidScroll(const IntSize& size) |
| { |
| ASSERT_ARG(size, !size.isZero()); |
| |
| if (!m_gestureTargetNode || !m_gestureTargetNode->renderer() || !m_gestureTargetNode->renderer()->enclosingLayer()) |
| return; |
| |
| Scrollbar* verticalScrollbar = 0; |
| if (Frame* frame = m_page->mainFrame()) { |
| if (ScrollView* view = frame->view()) |
| verticalScrollbar = view->verticalScrollbar(); |
| } |
| |
| m_gestureTargetNode->renderer()->enclosingLayer()->scrollByRecursively(size.width(), size.height()); |
| bool gestureReachedScrollingLimit = verticalScrollbar && scrollbarAtTopOrBottomOfDocument(verticalScrollbar); |
| |
| // FIXME: We really only want to update this state if the state was updated via scrolling the main frame, |
| // not scrolling something in a main frame when the main frame had already reached its scrolling limit. |
| |
| if (gestureReachedScrollingLimit == m_gestureReachedScrollingLimit) |
| return; |
| |
| send(Messages::WebPageProxy::SetGestureReachedScrollingLimit(gestureReachedScrollingLimit)); |
| m_gestureReachedScrollingLimit = gestureReachedScrollingLimit; |
| } |
| |
| void WebPage::gestureDidEnd() |
| { |
| m_gestureTargetNode = nullptr; |
| } |
| |
| } // namespace WebKit |
