140 lines
4.5 KiB
C++
140 lines
4.5 KiB
C++
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2011 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// MSVC++ requires this to be set before any other includes to get M_PI.
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// Otherwise there will be compile errors in wtf/MathExtras.h.
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#define _USE_MATH_DEFINES
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// Defines required to access Blink internals (unwrap WebNode).
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#undef BLINK_IMPLEMENTATION
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#define BLINK_IMPLEMENTATION 1
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#undef INSIDE_BLINK
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#define INSIDE_BLINK 1
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#include "libcef/renderer/webkit_glue.h"
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#include "base/compiler_specific.h"
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#include "config.h"
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MSVC_PUSH_WARNING_LEVEL(0);
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#include "third_party/WebKit/public/platform/WebString.h"
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#include "third_party/WebKit/public/web/WebDocument.h"
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#include "third_party/WebKit/public/web/WebElement.h"
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#include "third_party/WebKit/public/web/WebNode.h"
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#include "third_party/WebKit/public/web/WebViewClient.h"
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#include "third_party/WebKit/Source/core/css/parser/CSSParser.h"
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#include "third_party/WebKit/Source/core/dom/Node.h"
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#include "third_party/WebKit/Source/web/WebLocalFrameImpl.h"
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#include "third_party/WebKit/Source/web/WebViewImpl.h"
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MSVC_POP_WARNING();
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#undef LOG
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#include "base/logging.h"
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#include "content/public/renderer/render_frame.h"
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namespace webkit_glue {
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const int64 kInvalidFrameId = -1;
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bool CanGoBack(blink::WebView* view) {
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if (!view)
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return false;
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blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
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return (impl->client()->historyBackListCount() > 0);
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}
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bool CanGoForward(blink::WebView* view) {
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if (!view)
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return false;
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blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
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return (impl->client()->historyForwardListCount() > 0);
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}
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void GoBack(blink::WebView* view) {
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if (!view)
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return;
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blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
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if (impl->client()->historyBackListCount() > 0)
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impl->client()->navigateBackForwardSoon(-1);
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}
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void GoForward(blink::WebView* view) {
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if (!view)
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return;
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blink::WebViewImpl* impl = reinterpret_cast<blink::WebViewImpl*>(view);
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if (impl->client()->historyForwardListCount() > 0)
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impl->client()->navigateBackForwardSoon(1);
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}
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std::string DumpDocumentText(blink::WebFrame* frame) {
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// We use the document element's text instead of the body text here because
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// not all documents have a body, such as XML documents.
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blink::WebElement document_element = frame->document().documentElement();
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if (document_element.isNull())
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return std::string();
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return document_element.innerText().utf8();
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}
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bool SetNodeValue(blink::WebNode& node, const blink::WebString& value) {
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blink::Node* web_node = node.unwrap<blink::Node>();
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web_node->setNodeValue(value);
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return true;
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}
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int64 GetIdentifier(blink::WebFrame* frame) {
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// Each WebFrame will have an associated RenderFrame. The RenderFrame
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// routing IDs are unique within a given renderer process.
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content::RenderFrame* render_frame =
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content::RenderFrame::FromWebFrame(frame);
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DCHECK(render_frame);
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if (render_frame)
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return render_frame->GetRoutingID();
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return kInvalidFrameId;
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}
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// Based on WebViewImpl::findFrameByName and FrameTree::find.
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blink::WebFrame* FindFrameByUniqueName(const blink::WebString& unique_name,
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blink::WebFrame* relative_to_frame) {
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blink::Frame* start_frame = toWebLocalFrameImpl(relative_to_frame)->frame();
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if (!start_frame)
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return NULL;
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const AtomicString& atomic_name = unique_name;
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blink::Frame* found_frame = NULL;
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// Search the subtree starting with |start_frame|.
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for (blink::Frame* frame = start_frame;
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frame;
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frame = frame->tree().traverseNext(start_frame)) {
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if (frame->tree().uniqueName() == atomic_name) {
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found_frame = frame;
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break;
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}
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}
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if (found_frame && found_frame->isLocalFrame())
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return blink::WebLocalFrameImpl::fromFrame(toLocalFrame(found_frame));
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return NULL;
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}
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bool ParseCSSColor(const blink::WebString& string, bool strict, SkColor& color) {
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blink::RGBA32 rgba_color =
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blink::makeRGBA(SkColorGetR(color), SkColorGetG(color),
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SkColorGetB(color), SkColorGetA(color));
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if (!blink::CSSParser::parseColor(rgba_color, string, strict))
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return false;
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color = SkColorSetARGB(blink::alphaChannel(rgba_color),
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blink::redChannel(rgba_color),
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blink::greenChannel(rgba_color),
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blink::blueChannel(rgba_color));
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return true;
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}
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} // webkit_glue
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