Source/WebKit/chromium/src/WebPagePopupImpl.cpp

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  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
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  30
  31 #include "config.h"
  32 #include "WebPagePopupImpl.h"
  33
  34 #include "Chrome.h"
  35 #include "ContextFeatures.h"
  36 #include "DOMWindowPagePopup.h"
  37 #include "DocumentLoader.h"
  38 #include "EmptyClients.h"
  39 #include "FocusController.h"
  40 #include "FrameView.h"
  41 #include "Page.h"
  42 #include "PagePopupClient.h"
  43 #include "PageWidgetDelegate.h"
  44 #include "Settings.h"
  45 #include "WebCursorInfo.h"
  46 #include "WebInputEventConversion.h"
  47 #include "WebPagePopup.h"
  48 #include "WebSettingsImpl.h"
  49 #include "WebViewClient.h"
  50 #include "WebViewImpl.h"
  51 #include "WebWidgetClient.h"
  52
  53 using namespace WebCore;
  54 using namespace std;
  55
  56 namespace WebKit {
  57
  58 #if ENABLE(PAGE_POPUP)
  59
  60 class PagePopupChromeClient : public EmptyChromeClient, public WebCore::PageClientChromium {
  61     WTF_MAKE_NONCOPYABLE(PagePopupChromeClient);
  62     WTF_MAKE_FAST_ALLOCATED;
  63
  64 public:
  65     explicit PagePopupChromeClient(WebPagePopupImpl* popup)
  66         : m_popup(popup)
  67     {
  68         ASSERT(m_popup->widgetClient());
  69     }
  70
  71 private:
  72     virtual void closeWindowSoon() OVERRIDE
  73     {
  74         m_popup->closePopup();
  75     }
  76
  77     virtual FloatRect windowRect() OVERRIDE
  78     {
  79         return FloatRect(m_popup->m_windowRectInScreen.x, m_popup->m_windowRectInScreen.y, m_popup->m_windowRectInScreen.width, m_popup->m_windowRectInScreen.height);
  80     }
  81
  82     virtual void setWindowRect(const FloatRect& rect) OVERRIDE
  83     {
  84         m_popup->m_windowRectInScreen = IntRect(rect);
  85         m_popup->widgetClient()->setWindowRect(m_popup->m_windowRectInScreen);
  86     }
  87
  88     virtual void addMessageToConsole(MessageSource, MessageLevel, const String& message, unsigned lineNumber, const String&) OVERRIDE
  89     {
  90 #ifndef NDEBUG
  91         fprintf(stderr, "CONSOLE MESSSAGE:%u: %s\n", lineNumber, message.utf8().data());
  92 #else
  93         UNUSED_PARAM(message);
  94         UNUSED_PARAM(lineNumber);
  95 #endif
  96     }
  97
  98     virtual void invalidateContentsAndRootView(const IntRect& paintRect, bool) OVERRIDE
  99     {
 100         if (paintRect.isEmpty())
 101             return;
 102         m_popup->widgetClient()->didInvalidateRect(paintRect);
 103     }
 104
 105     virtual void scroll(const IntSize& scrollDelta, const IntRect& scrollRect, const IntRect& clipRect) OVERRIDE
 106     {
 107         m_popup->widgetClient()->didScrollRect(scrollDelta.width(), scrollDelta.height(), intersection(scrollRect, clipRect));
 108     }
 109
 110     virtual void invalidateContentsForSlowScroll(const IntRect& updateRect, bool immediate) OVERRIDE
 111     {
 112         invalidateContentsAndRootView(updateRect, immediate);
 113     }
 114
 115     virtual void scheduleAnimation() OVERRIDE
 116     {
 117         m_popup->widgetClient()->scheduleAnimation();
 118     }
 119
 120     virtual void* webView() const OVERRIDE
 121     {
 122         return m_popup->m_webView;
 123     }
 124
 125     virtual FloatSize minimumWindowSize() const OVERRIDE
 126     {
 127         return FloatSize(0, 0);
 128     }
 129
 130     virtual PlatformPageClient platformPageClient() const OVERRIDE
 131     {
 132         return PlatformPageClient(this);
 133     }
 134
 135     virtual void setCursor(const WebCore::Cursor& cursor) OVERRIDE
 136     {
 137         if (m_popup->m_webView->client())
 138             m_popup->m_webView->client()->didChangeCursor(WebCursorInfo(cursor));
 139     }
 140
 141     // PageClientChromium methods:
 142     virtual WebKit::WebScreenInfo screenInfo() OVERRIDE
 143     {
 144         return m_popup->m_webView->client()->screenInfo();
 145     }
 146
 147     WebPagePopupImpl* m_popup;
 148 };
 149
 150 class PagePopupFeaturesClient : public ContextFeaturesClient {
 151     virtual bool isEnabled(Document*, ContextFeatures::FeatureType, bool) OVERRIDE;
 152 };
 153
 154 bool PagePopupFeaturesClient::isEnabled(Document*, ContextFeatures::FeatureType type, bool defaultValue)
 155 {
 156     if (type == ContextFeatures::PagePopup)
 157         return true;
 158     return defaultValue;
 159 }
 160
 161 // WebPagePopupImpl ----------------------------------------------------------------
 162
 163 WebPagePopupImpl::WebPagePopupImpl(WebWidgetClient* client)
 164     : m_widgetClient(client)
 165     , m_closing(false)
 166 {
 167     ASSERT(client);
 168 }
 169
 170 WebPagePopupImpl::~WebPagePopupImpl()
 171 {
 172     ASSERT(!m_page);
 173 }
 174
 175 bool WebPagePopupImpl::initialize(WebViewImpl* webView, PagePopupClient* popupClient, const IntRect&)
 176 {
 177     ASSERT(webView);
 178     ASSERT(popupClient);
 179     m_webView = webView;
 180     m_popupClient = popupClient;
 181
 182     resize(m_popupClient->contentSize());
 183
 184     if (!initializePage())
 185         return false;
 186     m_widgetClient->show(WebNavigationPolicy());
 187     setFocus(true);
 188
 189     return true;
 190 }
 191
 192 bool WebPagePopupImpl::initializePage()
 193 {
 194     Page::PageClients pageClients;
 195     fillWithEmptyClients(pageClients);
 196     m_chromeClient = adoptPtr(new PagePopupChromeClient(this));
 197     pageClients.chromeClient = m_chromeClient.get();
 198
 199     m_page = adoptPtr(new Page(pageClients));
 200     m_page->settings()->setScriptEnabled(true);
 201     m_page->settings()->setAllowScriptsToCloseWindows(true);
 202     m_page->setDeviceScaleFactor(m_webView->deviceScaleFactor());
 203     m_page->settings()->setDeviceSupportsTouch(m_webView->page()->settings()->deviceSupportsTouch());
 204
 205     unsigned layoutMilestones = DidFirstLayout | DidFirstVisuallyNonEmptyLayout;
 206     m_page->addLayoutMilestones(static_cast<LayoutMilestones>(layoutMilestones));
 207
 208     static ContextFeaturesClient* pagePopupFeaturesClient =  new PagePopupFeaturesClient();
 209     provideContextFeaturesTo(m_page.get(), pagePopupFeaturesClient);
 210     static FrameLoaderClient* emptyFrameLoaderClient =  new EmptyFrameLoaderClient();
 211     RefPtr<Frame> frame = Frame::create(m_page.get(), 0, emptyFrameLoaderClient);
 212     frame->setView(FrameView::create(frame.get()));
 213     frame->init();
 214     frame->view()->resize(m_popupClient->contentSize());
 215     frame->view()->setTransparent(false);
 216
 217     DOMWindowPagePopup::install(frame->document()->domWindow(), m_popupClient);
 218
 219     DocumentWriter* writer = frame->loader()->activeDocumentLoader()->writer();
 220     writer->setMIMEType("text/html");
 221     writer->setEncoding("UTF-8", false);
 222     writer->begin();
 223     m_popupClient->writeDocument(*writer);
 224     writer->end();
 225     return true;
 226 }
 227
 228 void WebPagePopupImpl::destoryPage()
 229 {
 230     if (!m_page)
 231         return;
 232
 233     if (m_page->mainFrame())
 234         m_page->mainFrame()->loader()->frameDetached();
 235
 236     m_page.clear();
 237 }
 238
 239 WebSize WebPagePopupImpl::size()
 240 {
 241     return m_popupClient->contentSize();
 242 }
 243
 244 void WebPagePopupImpl::animate(double)
 245 {
 246     PageWidgetDelegate::animate(m_page.get(), monotonicallyIncreasingTime());
 247 }
 248
 249 void WebPagePopupImpl::layout()
 250 {
 251     PageWidgetDelegate::layout(m_page.get());
 252 }
 253
 254 void WebPagePopupImpl::paint(WebCanvas* canvas, const WebRect& rect, PaintOptions)
 255 {
 256     if (!m_closing)
 257         PageWidgetDelegate::paint(m_page.get(), 0, canvas, rect, PageWidgetDelegate::Opaque, m_webView->settingsImpl()->applyDeviceScaleFactorInCompositor());
 258 }
 259
 260 void WebPagePopupImpl::resize(const WebSize& newSize)
 261 {
 262     m_windowRectInScreen = WebRect(m_windowRectInScreen.x, m_windowRectInScreen.y, newSize.width, newSize.height);
 263     m_widgetClient->setWindowRect(m_windowRectInScreen);
 264
 265     if (m_page)
 266         m_page->mainFrame()->view()->resize(newSize);
 267     m_widgetClient->didInvalidateRect(WebRect(0, 0, newSize.width, newSize.height));
 268 }
 269
 270 bool WebPagePopupImpl::handleKeyEvent(const WebKeyboardEvent&)
 271 {
 272     // The main WebView receives key events and forward them to this via handleKeyEvent().
 273     ASSERT_NOT_REACHED();
 274     return false;
 275 }
 276
 277 bool WebPagePopupImpl::handleCharEvent(const WebKeyboardEvent&)
 278 {
 279     // The main WebView receives key events and forward them to this via handleKeyEvent().
 280     ASSERT_NOT_REACHED();
 281     return false;
 282 }
 283
 284 #if ENABLE(GESTURE_EVENTS)
 285 bool WebPagePopupImpl::handleGestureEvent(const WebGestureEvent& event)
 286 {
 287     if (m_closing || !m_page || !m_page->mainFrame() || !m_page->mainFrame()->view())
 288         return false;
 289     Frame& frame = *m_page->mainFrame();
 290     return frame.eventHandler()->handleGestureEvent(PlatformGestureEventBuilder(frame.view(), event));
 291 }
 292 #endif
 293
 294 bool WebPagePopupImpl::handleInputEvent(const WebInputEvent& event)
 295 {
 296     if (m_closing)
 297         return false;
 298     return PageWidgetDelegate::handleInputEvent(m_page.get(), *this, event);
 299 }
 300
 301 bool WebPagePopupImpl::handleKeyEvent(const PlatformKeyboardEvent& event)
 302 {
 303     if (m_closing || !m_page->mainFrame() || !m_page->mainFrame()->view())
 304         return false;
 305     return m_page->mainFrame()->eventHandler()->keyEvent(event);
 306 }
 307
 308 void WebPagePopupImpl::setFocus(bool enable)
 309 {
 310     if (!m_page)
 311         return;
 312     m_page->focusController()->setFocused(enable);
 313     if (enable)
 314         m_page->focusController()->setActive(true);
 315 }
 316
 317 void WebPagePopupImpl::close()
 318 {
 319     m_closing = true;
 320     destoryPage(); // In case closePopup() was not called.
 321     m_widgetClient = 0;
 322     deref();
 323 }
 324
 325 void WebPagePopupImpl::closePopup()
 326 {
 327     if (m_page) {
 328         m_page->setGroupName(String());
 329         m_page->mainFrame()->loader()->stopAllLoaders();
 330         m_page->mainFrame()->loader()->stopLoading(UnloadEventPolicyNone);
 331         DOMWindowPagePopup::uninstall(m_page->mainFrame()->document()->domWindow());
 332     }
 333     m_closing = true;
 334
 335     destoryPage();
 336
 337     // m_widgetClient might be 0 because this widget might be already closed.
 338     if (m_widgetClient) {
 339         // closeWidgetSoon() will call this->close() later.
 340         m_widgetClient->closeWidgetSoon();
 341     }
 342
 343     m_popupClient->didClosePopup();
 344 }
 345
 346 #endif // ENABLE(PAGE_POPUP)
 347
 348 // WebPagePopup ----------------------------------------------------------------
 349
 350 WebPagePopup* WebPagePopup::create(WebWidgetClient* client)
 351 {
 352 #if ENABLE(PAGE_POPUP)
 353     if (!client)
 354         CRASH();
 355     // A WebPagePopupImpl instance usually has two references.
 356     //  - One owned by the instance itself. It represents the visible widget.
 357     //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
 358     //    WebPagePopupImpl to close.
 359     // We need them because the closing operation is asynchronous and the widget
 360     // can be closed while the WebViewImpl is unaware of it.
 361     return adoptRef(new WebPagePopupImpl(client)).leakRef();
 362 #else
 363     UNUSED_PARAM(client);
 364     return 0;
 365 #endif
 366 }
 367
 368 } // namespace WebKit