root/Source/core/inspector/InspectorFrontendHost.cpp

DEFINITIONS

1. create
2. disconnect
3. m_items
4. populateContextMenu
5. contextMenuItemSelected
6. contextMenuCleared
7. m_menuProvider
8. disconnectClient
9. setZoomFactor
10. zoomFactor
11. inspectedURLChanged
12. setInjectedScriptForOrigin
13. copyText
14. escapeUnicodeNonCharacters
15. sendMessageToBackend
16. sendMessageToEmbedder
17. showContextMenu
18. getSelectionBackgroundColor
19. getSelectionForegroundColor
20. isUnderTest

/*
 * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
 * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
 *
 * 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.
 * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 "core/inspector/InspectorFrontendHost.h"

#include "bindings/v8/ScriptFunctionCall.h"
#include "bindings/v8/ScriptState.h"
#include "core/clipboard/Pasteboard.h"
#include "core/fetch/ResourceFetcher.h"
#include "core/frame/LocalFrame.h"
#include "core/html/parser/TextResourceDecoder.h"
#include "core/inspector/InspectorController.h"
#include "core/inspector/InspectorFrontendClient.h"
#include "core/loader/FrameLoader.h"
#include "core/page/ContextMenuController.h"
#include "core/page/ContextMenuProvider.h"
#include "core/page/Page.h"
#include "core/rendering/RenderTheme.h"
#include "platform/ContextMenu.h"
#include "platform/ContextMenuItem.h"
#include "platform/SharedBuffer.h"
#include "platform/UserGestureIndicator.h"
#include "platform/network/ResourceError.h"
#include "platform/network/ResourceRequest.h"
#include "platform/network/ResourceResponse.h"

namespace WebCore {

class FrontendMenuProvider FINAL : public ContextMenuProvider {
public:
    static PassRefPtr<FrontendMenuProvider> create(InspectorFrontendHost* frontendHost, ScriptObject frontendApiObject, const Vector<ContextMenuItem>& items)
    {
        return adoptRef(new FrontendMenuProvider(frontendHost, frontendApiObject, items));
    }

    void disconnect()
    {
        m_frontendApiObject = ScriptObject();
        m_frontendHost = 0;
    }

private:
    FrontendMenuProvider(InspectorFrontendHost* frontendHost, ScriptObject frontendApiObject, const Vector<ContextMenuItem>& items)
        : m_frontendHost(frontendHost)
        , m_frontendApiObject(frontendApiObject)
        , m_items(items)
    {
    }

    virtual ~FrontendMenuProvider()
    {
        contextMenuCleared();
    }

    virtual void populateContextMenu(ContextMenu* menu) OVERRIDE
    {
        for (size_t i = 0; i < m_items.size(); ++i)
            menu->appendItem(m_items[i]);
    }

    virtual void contextMenuItemSelected(const ContextMenuItem* item) OVERRIDE
    {
        if (m_frontendHost) {
            UserGestureIndicator gestureIndicator(DefinitelyProcessingNewUserGesture);
            int itemNumber = item->action() - ContextMenuItemBaseCustomTag;

            ScriptFunctionCall function(m_frontendApiObject, "contextMenuItemSelected");
            function.appendArgument(itemNumber);
            function.call();
        }
    }

    virtual void contextMenuCleared() OVERRIDE
    {
        if (m_frontendHost) {
            ScriptFunctionCall function(m_frontendApiObject, "contextMenuCleared");
            function.call();

            m_frontendHost->m_menuProvider = 0;
        }
        m_items.clear();
    }

    InspectorFrontendHost* m_frontendHost;
    ScriptObject m_frontendApiObject;
    Vector<ContextMenuItem> m_items;
};

InspectorFrontendHost::InspectorFrontendHost(InspectorFrontendClient* client, Page* frontendPage)
    : m_client(client)
    , m_frontendPage(frontendPage)
    , m_menuProvider(0)
{
    ScriptWrappable::init(this);
}

InspectorFrontendHost::~InspectorFrontendHost()
{
    ASSERT(!m_client);
}

void InspectorFrontendHost::disconnectClient()
{
    m_client = 0;
    if (m_menuProvider)
        m_menuProvider->disconnect();
    m_frontendPage = 0;
}

void InspectorFrontendHost::setZoomFactor(float zoom)
{
    m_frontendPage->mainFrame()->setPageAndTextZoomFactors(zoom, 1);
}

float InspectorFrontendHost::zoomFactor()
{
    return m_frontendPage->mainFrame()->pageZoomFactor();
}

void InspectorFrontendHost::inspectedURLChanged(const String& newURL)
{
    if (m_client)
        m_client->inspectedURLChanged(newURL);
}

void InspectorFrontendHost::setInjectedScriptForOrigin(const String& origin, const String& script)
{
    m_frontendPage->inspectorController().setInjectedScriptForOrigin(origin, script);
}

void InspectorFrontendHost::copyText(const String& text)
{
    Pasteboard::generalPasteboard()->writePlainText(text, Pasteboard::CannotSmartReplace);
}

static String escapeUnicodeNonCharacters(const String& str)
{
    StringBuilder dst;
    for (unsigned i = 0; i < str.length(); ++i) {
        UChar c = str[i];
        if (c >= 0xD800) {
            unsigned symbol = static_cast<unsigned>(c);
            String symbolCode = String::format("\\u%04X", symbol);
            dst.append(symbolCode);
        } else {
            dst.append(c);
        }

    }
    return dst.toString();
}

void InspectorFrontendHost::sendMessageToBackend(const String& message)
{
    if (m_client)
        m_client->sendMessageToBackend(escapeUnicodeNonCharacters(message));
}

void InspectorFrontendHost::sendMessageToEmbedder(const String& message)
{
    if (m_client)
        m_client->sendMessageToEmbedder(escapeUnicodeNonCharacters(message));
}

void InspectorFrontendHost::showContextMenu(Event* event, const Vector<ContextMenuItem>& items)
{
    if (!event)
        return;

    ASSERT(m_frontendPage);
    ScriptState* frontendScriptState = mainWorldScriptState(m_frontendPage->mainFrame());
    ScriptObject frontendApiObject;
    if (!ScriptGlobalObject::get(frontendScriptState, "InspectorFrontendAPI", frontendApiObject)) {
        ASSERT_NOT_REACHED();
        return;
    }
    RefPtr<FrontendMenuProvider> menuProvider = FrontendMenuProvider::create(this, frontendApiObject, items);
    m_frontendPage->contextMenuController().showContextMenu(event, menuProvider);
    m_menuProvider = menuProvider.get();
}

String InspectorFrontendHost::getSelectionBackgroundColor()
{
    return RenderTheme::theme().activeSelectionBackgroundColor().serialized();
}

String InspectorFrontendHost::getSelectionForegroundColor()
{
    return RenderTheme::theme().activeSelectionForegroundColor().serialized();
}

bool InspectorFrontendHost::isUnderTest()
{
    return m_client && m_client->isUnderTest();
}

} // namespace WebCore