cef/libcef/renderer/webkit_glue.cc

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// Copyright (c) 2012 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2011 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.
// MSVC++ requires this to be set before any other includes to get M_PI.
// Otherwise there will be compile errors in wtf/MathExtras.h.
#define _USE_MATH_DEFINES
// Defines required to access Blink internals (unwrap WebNode).
#undef BLINK_IMPLEMENTATION
#define BLINK_IMPLEMENTATION 1
#undef INSIDE_BLINK
#define INSIDE_BLINK 1
#include "libcef/renderer/webkit_glue.h"
#include "base/compiler_specific.h"
#include "config.h"
MSVC_PUSH_WARNING_LEVEL(0);
#include "third_party/WebKit/public/platform/WebString.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebElement.h"
#include "third_party/WebKit/public/web/WebNode.h"
#include "third_party/WebKit/public/web/WebViewClient.h"
#include "third_party/WebKit/Source/core/dom/Node.h"
#include "third_party/WebKit/Source/web/WebFrameImpl.h"
#include "third_party/WebKit/Source/web/WebViewImpl.h"
MSVC_POP_WARNING();
#undef LOG
#include "base/logging.h"
#include "content/public/renderer/render_frame.h"
namespace webkit_glue {
const int64 kInvalidFrameId = -1;
bool CanGoBack(blink::WebView* view) {
if (!view)
return false;
blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
return (impl->client()->historyBackListCount() > 0);
}
bool CanGoForward(blink::WebView* view) {
if (!view)
return false;
blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
return (impl->client()->historyForwardListCount() > 0);
}
void GoBack(blink::WebView* view) {
if (!view)
return;
blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
if (impl->client()->historyBackListCount() > 0)
impl->client()->navigateBackForwardSoon(-1);
}
void GoForward(blink::WebView* view) {
if (!view)
return;
blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
if (impl->client()->historyForwardListCount() > 0)
impl->client()->navigateBackForwardSoon(1);
}
std::string DumpDocumentText(blink::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.
blink::WebElement document_element = frame->document().documentElement();
if (document_element.isNull())
return std::string();
return document_element.innerText().utf8();
}
bool SetNodeValue(blink::WebNode& node, const blink::WebString& value) {
WebCore::Node* web_node = node.unwrap<WebCore::Node>();
web_node->setNodeValue(value);
return true;
}
int64 GetIdentifier(blink::WebFrame* frame) {
// Each WebFrame will have an associated RenderFrame. The RenderFrame
// routing IDs are unique within a given renderer process.
content::RenderFrame* render_frame =
content::RenderFrame::FromWebFrame(frame);
DCHECK(render_frame);
if (render_frame)
return render_frame->GetRoutingID();
return kInvalidFrameId;
}
} // webkit_glue