diff options
Diffstat (limited to 'src/core/renderer/web_channel_ipc_transport.cpp')
-rw-r--r-- | src/core/renderer/web_channel_ipc_transport.cpp | 161 |
1 files changed, 107 insertions, 54 deletions
diff --git a/src/core/renderer/web_channel_ipc_transport.cpp b/src/core/renderer/web_channel_ipc_transport.cpp index 3d844bf0d..d1e5f2245 100644 --- a/src/core/renderer/web_channel_ipc_transport.cpp +++ b/src/core/renderer/web_channel_ipc_transport.cpp @@ -1,7 +1,7 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtWebEngine module of the Qt Toolkit. ** @@ -11,24 +11,27 @@ ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPLv3 included in the +** Foundation and appearing in the file LICENSE.LGPL3 included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl.html. +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or later as published by the Free -** Software Foundation and appearing in the file LICENSE.GPL included in -** the packaging of this file. Please review the following information to -** ensure the GNU General Public License version 2.0 requirements will be -** met: http://www.gnu.org/licenses/gpl-2.0.html. +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -42,6 +45,10 @@ #include "common/qt_messages.h" #include "content/public/renderer/render_view.h" +#include "gin/arguments.h" +#include "gin/handle.h" +#include "gin/object_template_builder.h" +#include "gin/wrappable.h" #include "third_party/WebKit/public/web/WebLocalFrame.h" #include "third_party/WebKit/public/web/WebView.h" #include "v8/include/v8.h" @@ -50,34 +57,23 @@ namespace QtWebEngineCore { -static const char kWebChannelTransportExtensionName[] = "v8/WebChannelTransport"; - -static const char kWebChannelTransportApi[] = - "if (typeof(qt) === 'undefined')" \ - " qt = {};" \ - "if (typeof(qt.webChannelTransport) === 'undefined')" \ - " qt.webChannelTransport = {};" \ - "qt.webChannelTransport.send = function(message) {" \ - " native function NativeQtSendMessage();" \ - " NativeQtSendMessage(message);" \ - "};"; - -class WebChannelTransportExtension : public v8::Extension { +class WebChannelTransport : public gin::Wrappable<WebChannelTransport> { public: - static content::RenderView *GetRenderView(); - - WebChannelTransportExtension() : v8::Extension(kWebChannelTransportExtensionName, kWebChannelTransportApi) + static gin::WrapperInfo kWrapperInfo; + static void Install(blink::WebFrame *frame, uint worldId); + static void Uninstall(blink::WebFrame *frame, uint worldId); +private: + content::RenderView *GetRenderView(v8::Isolate *isolate); + WebChannelTransport() { } + virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate *isolate) override; + + void NativeQtSendMessage(gin::Arguments *args) { - } - - virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(v8::Isolate* isolate, v8::Handle<v8::String> name) Q_DECL_OVERRIDE; - - static void NativeQtSendMessage(const v8::FunctionCallbackInfo<v8::Value>& args) - { - content::RenderView *renderView = GetRenderView(); - if (!renderView || args.Length() != 1) + content::RenderView *renderView = GetRenderView(args->isolate()); + if (!renderView || args->Length() != 1) return; - v8::Handle<v8::Value> val = args[0]; + v8::Handle<v8::Value> val; + args->GetNext(&val); if (!val->IsString() && !val->IsStringObject()) return; v8::String::Utf8Value utf8(val->ToString()); @@ -91,11 +87,59 @@ public: const char *rawData = doc.rawData(&size); renderView->Send(new WebChannelIPCTransportHost_SendMessage(renderView->GetRoutingID(), std::vector<char>(rawData, rawData + size))); } + + DISALLOW_COPY_AND_ASSIGN(WebChannelTransport); }; -content::RenderView *WebChannelTransportExtension::GetRenderView() +gin::WrapperInfo WebChannelTransport::kWrapperInfo = { gin::kEmbedderNativeGin }; + +void WebChannelTransport::Install(blink::WebFrame *frame, uint worldId) +{ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope handleScope(isolate); + v8::Handle<v8::Context> context; + if (worldId == 0) + context = frame->mainWorldScriptContext(); + else + context = frame->toWebLocalFrame()->isolatedWorldScriptContext(worldId, 0); + v8::Context::Scope contextScope(context); + + gin::Handle<WebChannelTransport> transport = gin::CreateHandle(isolate, new WebChannelTransport); + v8::Handle<v8::Object> global = context->Global(); + v8::Handle<v8::Object> qt = global->Get(gin::StringToV8(isolate, "qt"))->ToObject(); + if (qt.IsEmpty()) { + qt = v8::Object::New(isolate); + global->Set(gin::StringToV8(isolate, "qt"), qt); + } + qt->Set(gin::StringToV8(isolate, "webChannelTransport"), transport.ToV8()); +} + +void WebChannelTransport::Uninstall(blink::WebFrame *frame, uint worldId) +{ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope handleScope(isolate); + v8::Handle<v8::Context> context; + if (worldId == 0) + context = frame->mainWorldScriptContext(); + else + context = frame->toWebLocalFrame()->isolatedWorldScriptContext(worldId, 0); + v8::Context::Scope contextScope(context); + + v8::Handle<v8::Object> global(context->Global()); + v8::Handle<v8::Object> qt = global->Get(gin::StringToV8(isolate, "qt"))->ToObject(); + if (qt.IsEmpty()) + return; + qt->Delete(gin::StringToV8(isolate, "webChannelTransport")); +} + +gin::ObjectTemplateBuilder WebChannelTransport::GetObjectTemplateBuilder(v8::Isolate *isolate) { - blink::WebLocalFrame *webframe = blink::WebLocalFrame::frameForCurrentContext(); + return gin::Wrappable<WebChannelTransport>::GetObjectTemplateBuilder(isolate).SetMethod("send", &WebChannelTransport::NativeQtSendMessage); +} + +content::RenderView *WebChannelTransport::GetRenderView(v8::Isolate *isolate) +{ + blink::WebLocalFrame *webframe = blink::WebLocalFrame::frameForContext(isolate->GetCurrentContext()); DCHECK(webframe) << "There should be an active frame since we just got a native function called."; if (!webframe) return 0; @@ -107,20 +151,28 @@ content::RenderView *WebChannelTransportExtension::GetRenderView() return content::RenderView::FromWebView(webview); } -v8::Handle<v8::FunctionTemplate> WebChannelTransportExtension::GetNativeFunctionTemplate(v8::Isolate *isolate, v8::Handle<v8::String> name) +WebChannelIPCTransport::WebChannelIPCTransport(content::RenderView *renderView) + : content::RenderViewObserver(renderView) { - if (name->Equals(v8::String::NewFromUtf8(isolate, "NativeQtSendMessage"))) - return v8::FunctionTemplate::New(isolate, NativeQtSendMessage); +} - return v8::Handle<v8::FunctionTemplate>(); +void WebChannelIPCTransport::installWebChannel(uint worldId) +{ + blink::WebView *webView = render_view()->GetWebView(); + if (!webView) + return; + WebChannelTransport::Install(webView->mainFrame(), worldId); } -WebChannelIPCTransport::WebChannelIPCTransport(content::RenderView *renderView) - : content::RenderViewObserver(renderView) +void WebChannelIPCTransport::uninstallWebChannel(uint worldId) { + blink::WebView *webView = render_view()->GetWebView(); + if (!webView) + return; + WebChannelTransport::Uninstall(webView->mainFrame(), worldId); } -void WebChannelIPCTransport::dispatchWebChannelMessage(const std::vector<char> &binaryJSON) +void WebChannelIPCTransport::dispatchWebChannelMessage(const std::vector<char> &binaryJSON, uint worldId) { blink::WebView *webView = render_view()->GetWebView(); if (!webView) @@ -133,17 +185,21 @@ void WebChannelIPCTransport::dispatchWebChannelMessage(const std::vector<char> & v8::Isolate *isolate = v8::Isolate::GetCurrent(); v8::HandleScope handleScope(isolate); blink::WebFrame *frame = webView->mainFrame(); - v8::Handle<v8::Context> context = frame->mainWorldScriptContext(); + v8::Handle<v8::Context> context; + if (worldId == 0) + context = frame->mainWorldScriptContext(); + else + context = frame->toWebLocalFrame()->isolatedWorldScriptContext(worldId, 0); v8::Context::Scope contextScope(context); v8::Handle<v8::Object> global(context->Global()); - v8::Handle<v8::Value> qtObjectValue(global->Get(v8::String::NewFromUtf8(isolate, "qt"))); + v8::Handle<v8::Value> qtObjectValue(global->Get(gin::StringToV8(isolate, "qt"))); if (!qtObjectValue->IsObject()) return; - v8::Handle<v8::Value> webChannelObjectValue(qtObjectValue->ToObject()->Get(v8::String::NewFromUtf8(isolate, "webChannelTransport"))); + v8::Handle<v8::Value> webChannelObjectValue(qtObjectValue->ToObject()->Get(gin::StringToV8(isolate, "webChannelTransport"))); if (!webChannelObjectValue->IsObject()) return; - v8::Handle<v8::Value> onmessageCallbackValue(webChannelObjectValue->ToObject()->Get(v8::String::NewFromUtf8(isolate, "onmessage"))); + v8::Handle<v8::Value> onmessageCallbackValue(webChannelObjectValue->ToObject()->Get(gin::StringToV8(isolate, "onmessage"))); if (!onmessageCallbackValue->IsFunction()) { qWarning("onmessage is not a callable property of qt.webChannelTransport. Some things might not work as expected."); return; @@ -161,15 +217,12 @@ void WebChannelIPCTransport::dispatchWebChannelMessage(const std::vector<char> & frame->callFunctionEvenIfScriptDisabled(callback, webChannelObjectValue->ToObject(), argc, argv); } -v8::Extension *WebChannelIPCTransport::getV8Extension() -{ - return new WebChannelTransportExtension; -} - bool WebChannelIPCTransport::OnMessageReceived(const IPC::Message &message) { bool handled = true; IPC_BEGIN_MESSAGE_MAP(WebChannelIPCTransport, message) + IPC_MESSAGE_HANDLER(WebChannelIPCTransport_Install, installWebChannel) + IPC_MESSAGE_HANDLER(WebChannelIPCTransport_Uninstall, uninstallWebChannel) IPC_MESSAGE_HANDLER(WebChannelIPCTransport_Message, dispatchWebChannelMessage) IPC_MESSAGE_UNHANDLED(handled = false) IPC_END_MESSAGE_MAP() |