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/*
* 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 "WebPagePopupImpl.h"
#include "PageWidgetDelegate.h"
#include "WebCursorInfo.h"
#include "WebInputEventConversion.h"
#include "WebPagePopup.h"
#include "WebSettingsImpl.h"
#include "WebViewClient.h"
#include "WebViewImpl.h"
#include "WebWidgetClient.h"
#include "core/dom/ContextFeatures.h"
#include "core/loader/DocumentLoader.h"
#include "core/loader/EmptyClients.h"
#include "core/page/Chrome.h"
#include "core/page/DOMWindowPagePopup.h"
#include "core/page/EventHandler.h"
#include "core/page/FocusController.h"
#include "core/frame/Frame.h"
#include "core/frame/FrameView.h"
#include "core/page/Page.h"
#include "core/page/PagePopupClient.h"
#include "core/page/Settings.h"
using namespace WebCore;
using namespace std;
namespace WebKit {
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 void addMessageToConsole(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());
#else
UNUSED_PARAM(message);
UNUSED_PARAM(lineNumber);
#endif
}
virtual void invalidateContentsAndRootView(const IntRect& paintRect) OVERRIDE
{
if (paintRect.isEmpty())
return;
m_popup->widgetClient()->didInvalidateRect(paintRect);
}
virtual void scroll(const IntSize& scrollDelta, const IntRect& scrollRect, const IntRect& clipRect) OVERRIDE
{
m_popup->widgetClient()->didScrollRect(scrollDelta.width(), scrollDelta.height(), intersection(scrollRect, clipRect));
}
virtual void invalidateContentsForSlowScroll(const IntRect& updateRect) OVERRIDE
{
invalidateContentsAndRootView(updateRect);
}
virtual void scheduleAnimation() OVERRIDE
{
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 WebCore::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);
}
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)
{
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 (!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 = adoptPtr(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());
static ContextFeaturesClient* pagePopupFeaturesClient = new PagePopupFeaturesClient();
provideContextFeaturesTo(m_page.get(), pagePopupFeaturesClient);
static FrameLoaderClient* emptyFrameLoaderClient = new EmptyFrameLoaderClient();
RefPtr<Frame> frame = Frame::create(m_page.get(), 0, emptyFrameLoaderClient);
frame->setView(FrameView::create(frame.get()));
frame->init();
frame->view()->resize(m_popupClient->contentSize());
frame->view()->setTransparent(false);
DOMWindowPagePopup::install(frame->domWindow(), m_popupClient);
DocumentWriter* writer = frame->loader().activeDocumentLoader()->beginWriting("text/html", "UTF-8");
m_popupClient->writeDocument(*writer);
frame->loader().activeDocumentLoader()->endWriting(writer);
return true;
}
void WebPagePopupImpl::destroyPage()
{
if (!m_page)
return;
if (m_page->mainFrame())
m_page->mainFrame()->loader().frameDetached();
m_page.clear();
}
WebSize WebPagePopupImpl::size()
{
return m_popupClient->contentSize();
}
void WebPagePopupImpl::animate(double)
{
PageWidgetDelegate::animate(m_page.get(), monotonicallyIncreasingTime());
}
void WebPagePopupImpl::layout()
{
PageWidgetDelegate::layout(m_page.get());
}
void WebPagePopupImpl::paint(WebCanvas* canvas, const WebRect& rect, PaintOptions)
{
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)
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() || !m_page->mainFrame()->view())
return false;
Frame& frame = *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() || !m_page->mainFrame()->view())
return false;
return 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) {
m_page->clearPageGroup();
m_page->mainFrame()->loader().stopAllLoaders();
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();
}
// 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 WebKit