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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/html_viewer/test_html_viewer_impl.h" | |
| 6 | |
| 7 #include <utility> | |
| 8 | |
| 9 #include "base/json/json_writer.h" | |
| 10 #include "base/macros.h" | |
| 11 #include "base/stl_util.h" | |
| 12 #include "base/values.h" | |
| 13 #include "gin/converter.h" | |
| 14 #include "third_party/WebKit/public/platform/WebString.h" | |
| 15 #include "third_party/WebKit/public/web/WebDocument.h" | |
| 16 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
| 17 #include "third_party/WebKit/public/web/WebScriptExecutionCallback.h" | |
| 18 #include "third_party/WebKit/public/web/WebScriptSource.h" | |
| 19 | |
| 20 using blink::WebDocument; | |
| 21 using blink::WebFrame; | |
| 22 | |
| 23 namespace html_viewer { | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 std::string V8ValueToJSONString( | |
| 28 blink::WebLocalFrame* local_frame, | |
| 29 const blink::WebVector<v8::Local<v8::Value>>& result) { | |
| 30 // TODO(sky): use V8ValueConverter when refactored to a common place. | |
| 31 DCHECK(!result.isEmpty()); | |
| 32 base::ListValue list_value; | |
| 33 for (auto& value : result) | |
| 34 list_value.Append(new base::StringValue(gin::V8ToString(value))); | |
| 35 std::string json_string; | |
| 36 return base::JSONWriter::Write(list_value, &json_string) ? json_string | |
| 37 : std::string(); | |
| 38 } | |
| 39 | |
| 40 } // namespace | |
| 41 | |
| 42 class TestHTMLViewerImpl::ExecutionCallbackImpl | |
| 43 : public blink::WebScriptExecutionCallback { | |
| 44 public: | |
| 45 ExecutionCallbackImpl(TestHTMLViewerImpl* host, | |
| 46 const mojo::Callback<void(mojo::String)>& callback) | |
| 47 : host_(host), callback_(callback) {} | |
| 48 ~ExecutionCallbackImpl() override {} | |
| 49 | |
| 50 private: | |
| 51 // blink::WebScriptExecutionCallback: | |
| 52 void completed( | |
| 53 const blink::WebVector<v8::Local<v8::Value>>& result) override { | |
| 54 mojo::String callback_result; | |
| 55 if (!result.isEmpty()) | |
| 56 callback_result = V8ValueToJSONString(host_->web_frame_, result); | |
| 57 callback_.Run(callback_result); | |
| 58 host_->CallbackCompleted(this); | |
| 59 } | |
| 60 | |
| 61 TestHTMLViewerImpl* host_; | |
| 62 const mojo::Callback<void(mojo::String)> callback_; | |
| 63 | |
| 64 DISALLOW_COPY_AND_ASSIGN(ExecutionCallbackImpl); | |
| 65 }; | |
| 66 | |
| 67 TestHTMLViewerImpl::TestHTMLViewerImpl( | |
| 68 blink::WebLocalFrame* web_frame, | |
| 69 mojo::InterfaceRequest<TestHTMLViewer> request) | |
| 70 : web_frame_(web_frame), binding_(this, std::move(request)) {} | |
| 71 | |
| 72 TestHTMLViewerImpl::~TestHTMLViewerImpl() { | |
| 73 STLDeleteElements(&callbacks_); | |
| 74 } | |
| 75 | |
| 76 void TestHTMLViewerImpl::CallbackCompleted( | |
| 77 ExecutionCallbackImpl* callback_impl) { | |
| 78 scoped_ptr<ExecutionCallbackImpl> owned_callback_impl(callback_impl); | |
| 79 callbacks_.erase(callback_impl); | |
| 80 } | |
| 81 | |
| 82 void TestHTMLViewerImpl::GetContentAsText( | |
| 83 const GetContentAsTextCallback& callback) { | |
| 84 callback.Run(web_frame_->document().contentAsTextForTesting().utf8()); | |
| 85 } | |
| 86 | |
| 87 void TestHTMLViewerImpl::ExecuteScript(const mojo::String& script, | |
| 88 const ExecuteScriptCallback& callback) { | |
| 89 ExecutionCallbackImpl* callback_impl = | |
| 90 new ExecutionCallbackImpl(this, callback); | |
| 91 callbacks_.insert(callback_impl); | |
| 92 web_frame_->requestExecuteScriptAndReturnValue( | |
| 93 blink::WebScriptSource(blink::WebString::fromUTF8(script)), false, | |
| 94 callback_impl); | |
| 95 } | |
| 96 | |
| 97 } // namespace html_viewer | |
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Issue 1677293002:
Bye bye Mandoline (Closed)
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