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#include "renderer/render_view_observer_qt.h"

#include "common/qt_messages.h"

#include "components/web_cache/renderer/web_cache_render_process_observer.h"
#include "content/public/renderer/render_view.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebFrame.h"
#include "third_party/WebKit/public/web/WebView.h"

RenderViewObserverQt::RenderViewObserverQt(
        content::RenderView* render_view,
        web_cache::WebCacheRenderProcessObserver* web_cache_render_process_observer)
    : content::RenderViewObserver(render_view)
    , m_web_cache_render_process_observer(web_cache_render_process_observer)
{
}

void RenderViewObserverQt::onFetchDocumentMarkup(quint64 requestId)
{
    Send(new RenderViewObserverHostQt_DidFetchDocumentMarkup(
        routing_id(),
        requestId,
        render_view()->GetWebView()->mainFrame()->contentAsMarkup()));
}

void RenderViewObserverQt::onFetchDocumentInnerText(quint64 requestId)
{
    Send(new RenderViewObserverHostQt_DidFetchDocumentInnerText(
        routing_id(),
        requestId,
        render_view()->GetWebView()->mainFrame()->contentAsText(std::numeric_limits<std::size_t>::max())));
}

void RenderViewObserverQt::onSetBackgroundColor(quint32 color)
{
    render_view()->GetWebView()->setBaseBackgroundColor(color);
}

void RenderViewObserverQt::OnFirstVisuallyNonEmptyLayout()
{
    Send(new RenderViewObserverHostQt_DidFirstVisuallyNonEmptyLayout(routing_id()));
}

bool RenderViewObserverQt::OnMessageReceived(const IPC::Message& message)
{
    bool handled = true;
    IPC_BEGIN_MESSAGE_MAP(RenderViewObserverQt, message)
        IPC_MESSAGE_HANDLER(RenderViewObserverQt_FetchDocumentMarkup, onFetchDocumentMarkup)
        IPC_MESSAGE_HANDLER(RenderViewObserverQt_FetchDocumentInnerText, onFetchDocumentInnerText)
        IPC_MESSAGE_HANDLER(RenderViewObserverQt_SetBackgroundColor, onSetBackgroundColor)
        IPC_MESSAGE_UNHANDLED(handled = false)
    IPC_END_MESSAGE_MAP()
    return handled;
}

void RenderViewObserverQt::Navigate(const GURL &)
{
    if (m_web_cache_render_process_observer)
        m_web_cache_render_process_observer->ExecutePendingClearCache();
}
