mirror of
https://bitbucket.org/chromiumembedded/cef
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244 lines
8.2 KiB
C++
244 lines
8.2 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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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/bindings/core/v8/ScriptController.h"
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#include "third_party/WebKit/Source/bindings/core/v8/ScriptSourceCode.h"
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#include "third_party/WebKit/Source/bindings/core/v8/V8Binding.h"
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#include "third_party/WebKit/Source/core/dom/Document.h"
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#include "third_party/WebKit/Source/core/dom/Element.h"
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#include "third_party/WebKit/Source/core/dom/Node.h"
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#include "third_party/WebKit/Source/core/editing/serializers/Serialization.h"
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#include "third_party/WebKit/Source/core/frame/LocalFrame.h"
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#include "third_party/WebKit/Source/core/frame/Settings.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_t 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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blink::Element* web_element = document_element.unwrap<blink::Element>();
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return blink::WebString(web_element->innerText()).utf8();
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}
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cef_dom_node_type_t GetNodeType(const blink::WebNode& node) {
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const blink::Node* web_node = node.constUnwrap<blink::Node>();
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switch (web_node->getNodeType()) {
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case blink::Node::kElementNode:
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return DOM_NODE_TYPE_ELEMENT;
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case blink::Node::kAttributeNode:
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return DOM_NODE_TYPE_ATTRIBUTE;
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case blink::Node::kTextNode:
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return DOM_NODE_TYPE_TEXT;
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case blink::Node::kCdataSectionNode:
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return DOM_NODE_TYPE_CDATA_SECTION;
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case blink::Node::kProcessingInstructionNode:
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return DOM_NODE_TYPE_PROCESSING_INSTRUCTIONS;
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case blink::Node::kCommentNode:
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return DOM_NODE_TYPE_COMMENT;
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case blink::Node::kDocumentNode:
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return DOM_NODE_TYPE_DOCUMENT;
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case blink::Node::kDocumentTypeNode:
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return DOM_NODE_TYPE_DOCUMENT_TYPE;
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case blink::Node::kDocumentFragmentNode:
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return DOM_NODE_TYPE_DOCUMENT_FRAGMENT;
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}
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return DOM_NODE_TYPE_UNSUPPORTED;
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}
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blink::WebString GetNodeName(const blink::WebNode& node) {
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const blink::Node* web_node = node.constUnwrap<blink::Node>();
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return web_node->nodeName();
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}
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blink::WebString CreateNodeMarkup(const blink::WebNode& node) {
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const blink::Node* web_node = node.constUnwrap<blink::Node>();
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return blink::createMarkup(web_node);
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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_t 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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v8::MaybeLocal<v8::Value> CallV8Function(v8::Local<v8::Context> context,
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v8::Local<v8::Function> function,
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v8::Local<v8::Object> receiver,
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int argc,
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v8::Local<v8::Value> args[],
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v8::Isolate* isolate) {
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v8::MaybeLocal<v8::Value> func_rv;
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// Execute the function call using the V8ScriptRunner so that inspector
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// instrumentation works.
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blink::LocalFrame* frame =
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toLocalFrame(blink::toFrameIfNotDetached(context));
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DCHECK(frame);
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if (frame &&
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frame->script().canExecuteScripts(blink::AboutToExecuteScript)) {
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func_rv = blink::V8ScriptRunner::callFunction(
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function, frame->document(), receiver, argc, args, isolate);
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}
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return func_rv;
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}
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bool IsTextControlElement(const blink::WebElement& element) {
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const blink::Element* web_element = element.constUnwrap<blink::Element>();
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return web_element->isTextControl();
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}
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v8::MaybeLocal<v8::Value> ExecuteV8ScriptAndReturnValue(
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const blink::WebString& source,
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const blink::WebString& source_url,
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int start_line,
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v8::Local<v8::Context> context,
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v8::Isolate* isolate,
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v8::TryCatch& tryCatch,
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blink::AccessControlStatus accessControlStatus) {
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// Based on ScriptController::executeScriptAndReturnValue
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DCHECK(isolate);
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if (start_line < 1)
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start_line = 1;
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const blink::KURL kurl = source_url.isEmpty() ?
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blink::KURL() : blink::KURL(blink::ParsedURLString, source_url);
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const blink::ScriptSourceCode ssc = blink::ScriptSourceCode(source, kurl,
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WTF::TextPosition(WTF::OrdinalNumber::fromOneBasedInt(start_line),
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WTF::OrdinalNumber::fromZeroBasedInt(0)));
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v8::MaybeLocal<v8::Value> result;
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blink::LocalFrame* frame =
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toLocalFrame(blink::toFrameIfNotDetached(context));
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DCHECK(frame);
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if (frame) {
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blink::V8CacheOptions v8CacheOptions(blink::V8CacheOptionsDefault);
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if (frame && frame->settings())
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v8CacheOptions = frame->settings()->v8CacheOptions();
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v8::Local<v8::Script> script;
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if (!blink::v8Call(blink::V8ScriptRunner::compileScript(ssc, isolate,
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accessControlStatus, v8CacheOptions), script, tryCatch)) {
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return result;
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}
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result = blink::V8ScriptRunner::runCompiledScript(isolate, script,
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blink::toExecutionContext(context));
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}
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return result;
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}
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bool IsScriptForbidden() {
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return blink::ScriptForbiddenScope::isScriptForbidden();
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}
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} // webkit_glue
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