xref: /external/webkit/Source/WebKit/android/WebCoreSupport/ChromeClientAndroid.h

/*
 * Copyright 2007, The Android Open Source Project
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``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.
 */

#ifndef ChromeClientAndroid_h
#define ChromeClientAndroid_h

#include "ChromeClient.h"

#include "PopupMenu.h"
#include "SearchPopupMenu.h"
#include "Timer.h"
#include <wtf/PassRefPtr.h>
#include <wtf/Threading.h>

namespace WebCore {
class PopupMenuClient;
class Geolocation;
}

using namespace WebCore;

namespace android {
    class WebFrame;

    class ChromeClientAndroid : public ChromeClient {
    public:
        ChromeClientAndroid() : m_webFrame(0)
#if USE(ACCELERATED_COMPOSITING)
                              , m_rootGraphicsLayer(0)
                              , m_needsLayerSync(false)
#endif
                              , m_triedToReclaimDBQuota(false)
                              { }
        virtual void chromeDestroyed();

        virtual void setWindowRect(const FloatRect&);
        virtual FloatRect windowRect();

        virtual FloatRect pageRect();

        virtual float scaleFactor();

        virtual void focus();
        virtual void unfocus();
        virtual void formDidBlur(const WebCore::Node*);
        virtual bool canTakeFocus(FocusDirection);
        virtual void takeFocus(FocusDirection);

        virtual void focusedNodeChanged(Node*);
        virtual void focusedFrameChanged(Frame*);

        // The Frame pointer provides the ChromeClient with context about which
        // Frame wants to create the new Page.  Also, the newly created window
        // should not be shown to the user until the ChromeClient of the newly
        // created Page has its show method called.
        virtual Page* createWindow(Frame*, const FrameLoadRequest&, const WindowFeatures&, const NavigationAction&);
        virtual void show();

        virtual bool canRunModal();
        virtual void runModal();

        virtual void setToolbarsVisible(bool);
        virtual bool toolbarsVisible();

        virtual void setStatusbarVisible(bool);
        virtual bool statusbarVisible();

        virtual void setScrollbarsVisible(bool);
        virtual bool scrollbarsVisible();

        virtual void setMenubarVisible(bool);
        virtual bool menubarVisible();

        virtual void setResizable(bool);

        virtual void addMessageToConsole(MessageSource, MessageType, MessageLevel, const String& message, unsigned int lineNumber, const String& sourceID);

        virtual bool canRunBeforeUnloadConfirmPanel();
        virtual bool runBeforeUnloadConfirmPanel(const String& message, Frame* frame);

        virtual void closeWindowSoon();

        virtual void runJavaScriptAlert(Frame*, const String&);
        virtual bool runJavaScriptConfirm(Frame*, const String&);
        virtual bool runJavaScriptPrompt(Frame*, const String& message, const String& defaultValue, String& result);
        virtual void setStatusbarText(const String&);
        virtual bool shouldInterruptJavaScript();
        virtual KeyboardUIMode keyboardUIMode();

        virtual IntRect windowResizerRect() const;

        // Methods used by HostWindow.
        virtual void invalidateWindow(const WebCore::IntRect&, bool);
        virtual void invalidateContentsAndWindow(const WebCore::IntRect&, bool);
        virtual void invalidateContentsForSlowScroll(const WebCore::IntRect&, bool);
        virtual void scroll(const IntSize& scrollDelta, const IntRect& rectToScroll, const IntRect& clipRect);
        virtual IntPoint screenToWindow(const IntPoint&) const;
        virtual IntRect windowToScreen(const IntRect&) const;
        virtual PlatformPageClient platformPageClient() const;
        virtual void contentsSizeChanged(Frame*, const IntSize&) const;
        virtual void scrollRectIntoView(const IntRect&, const ScrollView*) const;
        // End methods used by HostWindow.

        virtual void dispatchViewportDataDidChange(const ViewportArguments&) const;

        virtual void scrollbarsModeDidChange() const;
        virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned int);

        virtual void setToolTip(const String&, TextDirection);

        virtual void print(Frame*);
#if ENABLE(DATABASE)
        virtual void exceededDatabaseQuota(Frame*, const String&);
#endif
#if ENABLE(OFFLINE_WEB_APPLICATIONS)
        virtual void reachedMaxAppCacheSize(int64_t spaceNeeded);
        virtual void reachedApplicationCacheOriginQuota(SecurityOrigin*);
#endif

	virtual void populateVisitedLinks();

#if ENABLE(TOUCH_EVENTS)
        virtual void needTouchEvents(bool);
#endif

        // Methods used to request and provide Geolocation permissions.
        // Not used with client-based Geolocation
        virtual void requestGeolocationPermissionForFrame(Frame*, Geolocation*) { ASSERT_NOT_REACHED(); }
        virtual void cancelGeolocationPermissionRequestForFrame(WebCore::Frame*, WebCore::Geolocation*) { ASSERT_NOT_REACHED(); }

        virtual void runOpenPanel(Frame*, PassRefPtr<FileChooser>);
        virtual void setCursor(const Cursor&);
        virtual void chooseIconForFiles(const WTF::Vector<WTF::String>&, FileChooser*);

        // Notification that the given form element has changed. This function
        // will be called frequently, so handling should be very fast.
        virtual void formStateDidChange(const Node*);

        // Android-specific
        void setWebFrame(android::WebFrame* webframe);
        android::WebFrame* webFrame() { return m_webFrame; }
        void wakeUpMainThreadWithNewQuota(long long newQuota);

#if USE(ACCELERATED_COMPOSITING)
        virtual void attachRootGraphicsLayer(WebCore::Frame*, WebCore::GraphicsLayer* g);
        virtual void setNeedsOneShotDrawingSynchronization();
        virtual void scheduleCompositingLayerSync();
        virtual bool allowsAcceleratedCompositing() const { return true; }
        WebCore::GraphicsLayer* layersSync();
#endif

        virtual bool selectItemWritingDirectionIsNatural();
        virtual bool selectItemAlignmentFollowsMenuWritingDirection();
        virtual PassRefPtr<WebCore::PopupMenu> createPopupMenu(WebCore::PopupMenuClient*) const;
        virtual PassRefPtr<WebCore::SearchPopupMenu> createSearchPopupMenu(WebCore::PopupMenuClient*) const;

#if ENABLE(CONTEXT_MENUS)
        virtual void showContextMenu();
#endif

#if ENABLE(FULLSCREEN_API)
        virtual void exitFullScreenForElement(Element*);
#endif

#if ENABLE(VIDEO)
        virtual bool supportsFullscreenForNode(const WebCore::Node*);
        virtual void enterFullscreenForNode(WebCore::Node*);
        virtual void exitFullscreenForNode(WebCore::Node*);
#endif

        virtual void* webView() const { return 0; }

    private:
        android::WebFrame* m_webFrame;
#if USE(ACCELERATED_COMPOSITING)
        WebCore::GraphicsLayer* m_rootGraphicsLayer;
        bool m_needsLayerSync;
#endif
        WTF::ThreadCondition m_quotaThreadCondition;
        WTF::Mutex m_quotaThreadLock;
        unsigned long long m_newQuota;
        bool m_isNewQuotaSet;
        bool m_triedToReclaimDBQuota;
    };

}

#endif