| /* |
| * Copyright (C) 2012 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT |
| * OWNER 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 "web/WebPagePopupImpl.h" |
| |
| #include "core/dom/ContextFeatures.h" |
| #include "core/frame/FrameView.h" |
| #include "core/frame/LocalFrame.h" |
| #include "core/frame/Settings.h" |
| #include "core/loader/EmptyClients.h" |
| #include "core/loader/FrameLoadRequest.h" |
| #include "core/page/Chrome.h" |
| #include "core/page/DOMWindowPagePopup.h" |
| #include "core/page/EventHandler.h" |
| #include "core/page/FocusController.h" |
| #include "core/page/Page.h" |
| #include "core/page/PagePopupClient.h" |
| #include "platform/TraceEvent.h" |
| #include "platform/heap/Handle.h" |
| #include "public/platform/WebCompositeAndReadbackAsyncCallback.h" |
| #include "public/platform/WebCursorInfo.h" |
| #include "public/web/WebAXObject.h" |
| #include "public/web/WebFrameClient.h" |
| #include "public/web/WebViewClient.h" |
| #include "public/web/WebWidgetClient.h" |
| #include "web/WebInputEventConversion.h" |
| #include "web/WebLocalFrameImpl.h" |
| #include "web/WebSettingsImpl.h" |
| #include "web/WebViewImpl.h" |
| |
| namespace blink { |
| |
| class PagePopupChromeClient : public EmptyChromeClient { |
| WTF_MAKE_NONCOPYABLE(PagePopupChromeClient); |
| WTF_MAKE_FAST_ALLOCATED; |
| |
| public: |
| explicit PagePopupChromeClient(WebPagePopupImpl* popup) |
| : m_popup(popup) |
| { |
| ASSERT(m_popup->widgetClient()); |
| } |
| |
| private: |
| virtual void closeWindowSoon() OVERRIDE |
| { |
| m_popup->closePopup(); |
| } |
| |
| virtual FloatRect windowRect() OVERRIDE |
| { |
| return FloatRect(m_popup->m_windowRectInScreen.x, m_popup->m_windowRectInScreen.y, m_popup->m_windowRectInScreen.width, m_popup->m_windowRectInScreen.height); |
| } |
| |
| virtual void setWindowRect(const FloatRect& rect) OVERRIDE |
| { |
| m_popup->m_windowRectInScreen = IntRect(rect); |
| m_popup->widgetClient()->setWindowRect(m_popup->m_windowRectInScreen); |
| } |
| |
| virtual IntRect rootViewToScreen(const IntRect& rect) const OVERRIDE |
| { |
| IntRect rectInScreen(rect); |
| rectInScreen.move(m_popup->m_windowRectInScreen.x, m_popup->m_windowRectInScreen.y); |
| return rectInScreen; |
| } |
| |
| virtual void addMessageToConsole(LocalFrame*, MessageSource, MessageLevel, const String& message, unsigned lineNumber, const String&, const String&) OVERRIDE |
| { |
| #ifndef NDEBUG |
| fprintf(stderr, "CONSOLE MESSSAGE:%u: %s\n", lineNumber, message.utf8().data()); |
| #endif |
| } |
| |
| virtual void invalidateContentsAndRootView(const IntRect& paintRect) OVERRIDE |
| { |
| if (paintRect.isEmpty()) |
| return; |
| m_popup->widgetClient()->didInvalidateRect(paintRect); |
| } |
| |
| virtual void invalidateContentsForSlowScroll(const IntRect& updateRect) OVERRIDE |
| { |
| invalidateContentsAndRootView(updateRect); |
| } |
| |
| virtual void scheduleAnimation() OVERRIDE |
| { |
| if (m_popup->isAcceleratedCompositingActive()) { |
| ASSERT(m_popup->m_layerTreeView); |
| m_popup->m_layerTreeView->setNeedsAnimate(); |
| return; |
| } |
| m_popup->widgetClient()->scheduleAnimation(); |
| } |
| |
| virtual WebScreenInfo screenInfo() const OVERRIDE |
| { |
| return m_popup->m_webView->client() ? m_popup->m_webView->client()->screenInfo() : WebScreenInfo(); |
| } |
| |
| virtual void* webView() const OVERRIDE |
| { |
| return m_popup->m_webView; |
| } |
| |
| virtual FloatSize minimumWindowSize() const OVERRIDE |
| { |
| return FloatSize(0, 0); |
| } |
| |
| virtual void setCursor(const Cursor& cursor) OVERRIDE |
| { |
| if (m_popup->m_webView->client()) |
| m_popup->m_webView->client()->didChangeCursor(WebCursorInfo(cursor)); |
| } |
| |
| virtual void needTouchEvents(bool needsTouchEvents) OVERRIDE |
| { |
| m_popup->widgetClient()->hasTouchEventHandlers(needsTouchEvents); |
| } |
| |
| virtual GraphicsLayerFactory* graphicsLayerFactory() const OVERRIDE |
| { |
| return m_popup->m_webView->graphicsLayerFactory(); |
| } |
| |
| virtual void attachRootGraphicsLayer(GraphicsLayer* graphicsLayer) OVERRIDE |
| { |
| m_popup->setRootGraphicsLayer(graphicsLayer); |
| } |
| |
| virtual void postAccessibilityNotification(AXObject* obj, AXObjectCache::AXNotification notification) OVERRIDE |
| { |
| WebLocalFrameImpl* frame = WebLocalFrameImpl::fromFrame(m_popup->m_popupClient->ownerElement().document().frame()); |
| if (obj && frame && frame->client()) |
| frame->client()->postAccessibilityEvent(WebAXObject(obj), static_cast<WebAXEvent>(notification)); |
| |
| // FIXME: Delete these lines once Chromium only uses the frame client interface, above. |
| if (obj && m_popup->m_webView->client()) |
| m_popup->m_webView->client()->postAccessibilityEvent(WebAXObject(obj), static_cast<WebAXEvent>(notification)); |
| } |
| |
| WebPagePopupImpl* m_popup; |
| }; |
| |
| class PagePopupFeaturesClient : public ContextFeaturesClient { |
| virtual bool isEnabled(Document*, ContextFeatures::FeatureType, bool) OVERRIDE; |
| }; |
| |
| bool PagePopupFeaturesClient::isEnabled(Document*, ContextFeatures::FeatureType type, bool defaultValue) |
| { |
| if (type == ContextFeatures::PagePopup) |
| return true; |
| return defaultValue; |
| } |
| |
| // WebPagePopupImpl ---------------------------------------------------------------- |
| |
| WebPagePopupImpl::WebPagePopupImpl(WebWidgetClient* client) |
| : m_widgetClient(client) |
| , m_closing(false) |
| , m_layerTreeView(0) |
| , m_rootLayer(0) |
| , m_rootGraphicsLayer(0) |
| , m_isAcceleratedCompositingActive(false) |
| { |
| ASSERT(client); |
| } |
| |
| WebPagePopupImpl::~WebPagePopupImpl() |
| { |
| ASSERT(!m_page); |
| } |
| |
| bool WebPagePopupImpl::initialize(WebViewImpl* webView, PagePopupClient* popupClient, const IntRect&) |
| { |
| ASSERT(webView); |
| ASSERT(popupClient); |
| m_webView = webView; |
| m_popupClient = popupClient; |
| |
| resize(m_popupClient->contentSize()); |
| |
| if (!m_widgetClient || !initializePage()) |
| return false; |
| m_widgetClient->show(WebNavigationPolicy()); |
| setFocus(true); |
| |
| return true; |
| } |
| |
| bool WebPagePopupImpl::initializePage() |
| { |
| Page::PageClients pageClients; |
| fillWithEmptyClients(pageClients); |
| m_chromeClient = adoptPtr(new PagePopupChromeClient(this)); |
| pageClients.chromeClient = m_chromeClient.get(); |
| |
| m_page = adoptPtrWillBeNoop(new Page(pageClients)); |
| m_page->settings().setScriptEnabled(true); |
| m_page->settings().setAllowScriptsToCloseWindows(true); |
| m_page->setDeviceScaleFactor(m_webView->deviceScaleFactor()); |
| m_page->settings().setDeviceSupportsTouch(m_webView->page()->settings().deviceSupportsTouch()); |
| // FIXME: Should we support enabling a11y while a popup is shown? |
| m_page->settings().setAccessibilityEnabled(m_webView->page()->settings().accessibilityEnabled()); |
| |
| provideContextFeaturesTo(*m_page, adoptPtr(new PagePopupFeaturesClient())); |
| static FrameLoaderClient* emptyFrameLoaderClient = new EmptyFrameLoaderClient(); |
| RefPtrWillBeRawPtr<LocalFrame> frame = LocalFrame::create(emptyFrameLoaderClient, &m_page->frameHost(), 0); |
| frame->setPagePopupOwner(m_popupClient->ownerElement()); |
| frame->setView(FrameView::create(frame.get())); |
| frame->init(); |
| frame->view()->resize(m_popupClient->contentSize()); |
| frame->view()->setTransparent(false); |
| if (AXObjectCache* cache = m_popupClient->ownerElement().document().existingAXObjectCache()) |
| cache->childrenChanged(&m_popupClient->ownerElement()); |
| |
| ASSERT(frame->domWindow()); |
| DOMWindowPagePopup::install(*frame->domWindow(), m_popupClient); |
| ASSERT(m_popupClient->ownerElement().document().existingAXObjectCache() == frame->document()->existingAXObjectCache()); |
| |
| RefPtr<SharedBuffer> data = SharedBuffer::create(); |
| m_popupClient->writeDocument(data.get()); |
| frame->loader().load(FrameLoadRequest(0, blankURL(), SubstituteData(data, "text/html", "UTF-8", KURL(), ForceSynchronousLoad))); |
| return true; |
| } |
| |
| void WebPagePopupImpl::destroyPage() |
| { |
| if (!m_page) |
| return; |
| |
| m_page->willBeDestroyed(); |
| m_page.clear(); |
| } |
| |
| AXObject* WebPagePopupImpl::rootAXObject() |
| { |
| if (!m_page || !m_page->mainFrame()) |
| return 0; |
| Document* document = toLocalFrame(m_page->mainFrame())->document(); |
| if (!document) |
| return 0; |
| AXObjectCache* cache = document->axObjectCache(); |
| ASSERT(cache); |
| return cache->getOrCreate(document->view()); |
| } |
| |
| void WebPagePopupImpl::setRootGraphicsLayer(GraphicsLayer* layer) |
| { |
| m_rootGraphicsLayer = layer; |
| m_rootLayer = layer ? layer->platformLayer() : 0; |
| |
| setIsAcceleratedCompositingActive(layer); |
| if (m_layerTreeView) { |
| if (m_rootLayer) { |
| m_layerTreeView->setRootLayer(*m_rootLayer); |
| } else { |
| m_layerTreeView->clearRootLayer(); |
| } |
| } |
| } |
| |
| void WebPagePopupImpl::setIsAcceleratedCompositingActive(bool enter) |
| { |
| if (m_isAcceleratedCompositingActive == enter) |
| return; |
| |
| if (!enter) { |
| m_isAcceleratedCompositingActive = false; |
| } else if (m_layerTreeView) { |
| m_isAcceleratedCompositingActive = true; |
| } else { |
| TRACE_EVENT0("blink", "WebPagePopupImpl::setIsAcceleratedCompositingActive(true)"); |
| |
| m_widgetClient->initializeLayerTreeView(); |
| m_layerTreeView = m_widgetClient->layerTreeView(); |
| if (m_layerTreeView) { |
| m_layerTreeView->setVisible(true); |
| m_isAcceleratedCompositingActive = true; |
| m_layerTreeView->setDeviceScaleFactor(m_widgetClient->deviceScaleFactor()); |
| } else { |
| m_isAcceleratedCompositingActive = false; |
| } |
| } |
| } |
| |
| WebSize WebPagePopupImpl::size() |
| { |
| return m_popupClient->contentSize(); |
| } |
| |
| void WebPagePopupImpl::beginFrame(const WebBeginFrameArgs& frameTime) |
| { |
| // FIXME: This should use frameTime.lastFrameTimeMonotonic but doing so |
| // breaks tests. |
| PageWidgetDelegate::animate(m_page.get(), monotonicallyIncreasingTime()); |
| } |
| |
| void WebPagePopupImpl::willCloseLayerTreeView() |
| { |
| setIsAcceleratedCompositingActive(false); |
| m_layerTreeView = 0; |
| } |
| |
| void WebPagePopupImpl::layout() |
| { |
| PageWidgetDelegate::layout(m_page.get()); |
| } |
| |
| void WebPagePopupImpl::paint(WebCanvas* canvas, const WebRect& rect) |
| { |
| if (!m_closing) |
| PageWidgetDelegate::paint(m_page.get(), 0, canvas, rect, PageWidgetDelegate::Opaque); |
| } |
| |
| void WebPagePopupImpl::resize(const WebSize& newSize) |
| { |
| m_windowRectInScreen = WebRect(m_windowRectInScreen.x, m_windowRectInScreen.y, newSize.width, newSize.height); |
| m_widgetClient->setWindowRect(m_windowRectInScreen); |
| |
| if (m_page) |
| toLocalFrame(m_page->mainFrame())->view()->resize(newSize); |
| m_widgetClient->didInvalidateRect(WebRect(0, 0, newSize.width, newSize.height)); |
| } |
| |
| bool WebPagePopupImpl::handleKeyEvent(const WebKeyboardEvent&) |
| { |
| // The main WebView receives key events and forward them to this via handleKeyEvent(). |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| bool WebPagePopupImpl::handleCharEvent(const WebKeyboardEvent&) |
| { |
| // The main WebView receives key events and forward them to this via handleKeyEvent(). |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| bool WebPagePopupImpl::handleGestureEvent(const WebGestureEvent& event) |
| { |
| if (m_closing || !m_page || !m_page->mainFrame() || !toLocalFrame(m_page->mainFrame())->view()) |
| return false; |
| LocalFrame& frame = *toLocalFrame(m_page->mainFrame()); |
| return frame.eventHandler().handleGestureEvent(PlatformGestureEventBuilder(frame.view(), event)); |
| } |
| |
| bool WebPagePopupImpl::handleInputEvent(const WebInputEvent& event) |
| { |
| if (m_closing) |
| return false; |
| return PageWidgetDelegate::handleInputEvent(m_page.get(), *this, event); |
| } |
| |
| bool WebPagePopupImpl::handleKeyEvent(const PlatformKeyboardEvent& event) |
| { |
| if (m_closing || !m_page->mainFrame() || !toLocalFrame(m_page->mainFrame())->view()) |
| return false; |
| return toLocalFrame(m_page->mainFrame())->eventHandler().keyEvent(event); |
| } |
| |
| void WebPagePopupImpl::setFocus(bool enable) |
| { |
| if (!m_page) |
| return; |
| m_page->focusController().setFocused(enable); |
| if (enable) |
| m_page->focusController().setActive(true); |
| } |
| |
| void WebPagePopupImpl::close() |
| { |
| m_closing = true; |
| destroyPage(); // In case closePopup() was not called. |
| m_widgetClient = 0; |
| deref(); |
| } |
| |
| void WebPagePopupImpl::closePopup() |
| { |
| if (m_page) { |
| toLocalFrame(m_page->mainFrame())->loader().stopAllLoaders(); |
| ASSERT(m_page->mainFrame()->domWindow()); |
| DOMWindowPagePopup::uninstall(*m_page->mainFrame()->domWindow()); |
| } |
| m_closing = true; |
| |
| destroyPage(); |
| |
| // m_widgetClient might be 0 because this widget might be already closed. |
| if (m_widgetClient) { |
| // closeWidgetSoon() will call this->close() later. |
| m_widgetClient->closeWidgetSoon(); |
| } |
| |
| m_popupClient->didClosePopup(); |
| } |
| |
| void WebPagePopupImpl::compositeAndReadbackAsync(WebCompositeAndReadbackAsyncCallback* callback) |
| { |
| ASSERT(isAcceleratedCompositingActive()); |
| m_layerTreeView->compositeAndReadbackAsync(callback); |
| } |
| |
| WebPoint WebPagePopupImpl::positionRelativeToOwner() |
| { |
| WebRect windowRect = m_webView->client()->rootWindowRect(); |
| return WebPoint(m_windowRectInScreen.x - windowRect.x, m_windowRectInScreen.y - windowRect.y); |
| } |
| |
| // WebPagePopup ---------------------------------------------------------------- |
| |
| WebPagePopup* WebPagePopup::create(WebWidgetClient* client) |
| { |
| if (!client) |
| CRASH(); |
| // A WebPagePopupImpl instance usually has two references. |
| // - One owned by the instance itself. It represents the visible widget. |
| // - One owned by a WebViewImpl. It's released when the WebViewImpl ask the |
| // WebPagePopupImpl to close. |
| // We need them because the closing operation is asynchronous and the widget |
| // can be closed while the WebViewImpl is unaware of it. |
| return adoptRef(new WebPagePopupImpl(client)).leakRef(); |
| } |
| |
| } // namespace blink |