mirror of
https://bitbucket.org/chromiumembedded/cef
synced 2024-12-12 09:37:37 +01:00
6df612a597
- The |category| value for all TRACE calls from CEF client applications is now "cef.client" due to https://crrev.com/331266377d. - The |with_menu_marker| parameter to CreateMenuButton has been removed due to https://crrev.com/7f7e382118.
232 lines
8.6 KiB
C++
232 lines
8.6 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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#include "libcef/renderer/blink_glue.h"
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#include "third_party/blink/public/platform/web_string.h"
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#include "third_party/blink/public/platform/web_url_response.h"
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#include "third_party/blink/public/web/web_document.h"
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#include "third_party/blink/public/web/web_element.h"
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#include "third_party/blink/public/web/web_node.h"
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#include "third_party/blink/public/web/web_view_client.h"
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#include "third_party/blink/renderer/bindings/core/v8/referrer_script_info.h"
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#include "third_party/blink/renderer/bindings/core/v8/script_controller.h"
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#include "third_party/blink/renderer/bindings/core/v8/script_source_code.h"
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#include "third_party/blink/renderer/bindings/core/v8/v8_binding_for_core.h"
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#include "third_party/blink/renderer/bindings/core/v8/v8_code_cache.h"
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#include "third_party/blink/renderer/core/dom/document.h"
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#include "third_party/blink/renderer/core/dom/element.h"
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#include "third_party/blink/renderer/core/dom/node.h"
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#include "third_party/blink/renderer/core/editing/serializers/serialization.h"
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#include "third_party/blink/renderer/core/exported/web_view_impl.h"
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#include "third_party/blink/renderer/core/frame/local_frame.h"
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#include "third_party/blink/renderer/core/frame/settings.h"
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#include "third_party/blink/renderer/core/frame/web_local_frame_impl.h"
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#include "third_party/blink/renderer/platform/bindings/script_forbidden_scope.h"
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#include "third_party/blink/renderer/platform/bindings/v8_binding.h"
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#include "third_party/blink/renderer/platform/loader/fetch/resource_response.h"
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#include "third_party/blink/renderer/platform/weborigin/scheme_registry.h"
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#undef LOG
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#include "base/logging.h"
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namespace blink_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, true /* has_user_gesture */);
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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, true /* has_user_gesture */);
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}
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std::string DumpDocumentText(blink::WebLocalFrame* 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->GetDocument().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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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 = blink::ToLocalFrameIfNotDetached(context);
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DCHECK(frame);
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if (frame &&
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frame->GetDocument()->CanExecuteScripts(blink::kAboutToExecuteScript)) {
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func_rv = blink::V8ScriptRunner::CallFunction(
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function, frame->GetDocument(), 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::SanitizeScriptErrors sanitizeScriptErrors) {
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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::ScriptSourceCode ssc = blink::ScriptSourceCode(
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source, blink::ScriptSourceLocationType::kInternal,
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nullptr, /* cache_handler */
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blink::KURL(source_url),
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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 = blink::ToLocalFrameIfNotDetached(context);
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if (!frame)
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return result;
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blink::V8CacheOptions v8CacheOptions(blink::kV8CacheOptionsDefault);
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if (frame && frame->GetSettings())
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v8CacheOptions = frame->GetSettings()->GetV8CacheOptions();
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// Based on V8ScriptRunner::CompileAndRunInternalScript:
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v8::ScriptCompiler::CompileOptions compile_options;
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blink::V8CodeCache::ProduceCacheOptions produce_cache_options;
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v8::ScriptCompiler::NoCacheReason no_cache_reason;
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std::tie(compile_options, produce_cache_options, no_cache_reason) =
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blink::V8CodeCache::GetCompileOptions(v8CacheOptions, ssc);
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// Currently internal scripts don't have cache handlers, so we should not
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// produce cache for them.
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DCHECK_EQ(produce_cache_options,
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blink::V8CodeCache::ProduceCacheOptions::kNoProduceCache);
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v8::Local<v8::Script> script;
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// Use default ReferrerScriptInfo here:
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// - nonce: empty for internal script, and
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// - parser_state: always "not parser inserted" for internal scripts.
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if (!blink::V8ScriptRunner::CompileScript(
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blink::ScriptState::From(context), ssc, sanitizeScriptErrors,
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compile_options, no_cache_reason, blink::ReferrerScriptInfo())
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.ToLocal(&script)) {
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DCHECK(tryCatch.HasCaught());
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return result;
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}
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return blink::V8ScriptRunner::RunCompiledScript(
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isolate, script, blink::ToExecutionContext(context));
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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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void RegisterURLSchemeAsLocal(const blink::WebString& scheme) {
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blink::SchemeRegistry::RegisterURLSchemeAsLocal(scheme);
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}
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void RegisterURLSchemeAsSecure(const blink::WebString& scheme) {
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blink::SchemeRegistry::RegisterURLSchemeAsSecure(scheme);
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}
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struct CefScriptForbiddenScope::Impl {
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blink::ScriptForbiddenScope scope_;
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};
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CefScriptForbiddenScope::CefScriptForbiddenScope() : impl_(new Impl()) {}
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CefScriptForbiddenScope::~CefScriptForbiddenScope() {}
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bool ResponseWasCached(const blink::WebURLResponse& response) {
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return response.ToResourceResponse().WasCached();
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}
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} // namespace blink_glue
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