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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/shell/shell_render_view_observer.h"
#include "content/public/renderer/render_view.h"
#include "content/shell/shell_messages.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebCString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
using WebKit::WebFrame;
using WebKit::WebElement;
namespace content {
namespace {
std::string DumpDocumentText(WebFrame* frame) {
// We use the document element's text instead of the body text here because
// not all documents have a body, such as XML documents.
WebElement documentElement = frame->document().documentElement();
if (documentElement.isNull())
return std::string();
return documentElement.innerText().utf8();
}
std::string DumpFramesAsText(WebFrame* frame, bool recursive) {
std::string result;
// Add header for all but the main frame. Skip emtpy frames.
if (frame->parent() && !frame->document().documentElement().isNull()) {
result.append("\n--------\nFrame: '");
result.append(frame->name().utf8().data());
result.append("'\n--------\n");
}
result.append(DumpDocumentText(frame));
result.append("\n");
if (recursive) {
for (WebFrame* child = frame->firstChild(); child;
child = child->nextSibling()) {
result.append(DumpFramesAsText(child, recursive));
}
}
return result;
}
} // namespace
ShellRenderViewObserver::ShellRenderViewObserver(RenderView* render_view)
: RenderViewObserver(render_view) {
}
ShellRenderViewObserver::~ShellRenderViewObserver() {
}
bool ShellRenderViewObserver::OnMessageReceived(const IPC::Message& message) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(ShellRenderViewObserver, message)
IPC_MESSAGE_HANDLER(ShellViewMsg_CaptureTextDump, OnCaptureTextDump)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void ShellRenderViewObserver::OnCaptureTextDump(bool recursive) {
std::string dump =
DumpFramesAsText(render_view()->GetWebView()->mainFrame(), recursive);
Send(new ShellViewHostMsg_TextDump(routing_id(), dump));
}
} // namespace content
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