264 lines
9.1 KiB
C++
264 lines
9.1 KiB
C++
// Copyright (c) 2013 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/renderer/atom_renderer_client.h"
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#include <string>
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#include "atom/common/api/atom_bindings.h"
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#include "atom/common/native_mate_converters/callback.h"
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#include "atom/common/node_bindings.h"
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#include "atom/common/options_switches.h"
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#include "atom/renderer/atom_render_view_observer.h"
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#include "atom/renderer/guest_view_container.h"
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#include "base/command_line.h"
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#include "chrome/renderer/pepper/pepper_helper.h"
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#include "chrome/renderer/printing/print_web_view_helper.h"
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#include "chrome/renderer/tts_dispatcher.h"
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#include "content/public/common/content_constants.h"
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#include "content/public/renderer/render_frame.h"
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#include "content/public/renderer/render_frame_observer.h"
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#include "content/public/renderer/render_thread.h"
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#include "third_party/WebKit/public/web/WebArrayBuffer.h"
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#include "third_party/WebKit/public/web/WebArrayBufferConverter.h"
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#include "third_party/WebKit/public/web/WebCustomElement.h"
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#include "third_party/WebKit/public/web/WebLocalFrame.h"
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#include "third_party/WebKit/public/web/WebPluginParams.h"
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#include "third_party/WebKit/public/web/WebKit.h"
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#include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
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#include "atom/common/node_includes.h"
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#if defined(OS_WIN)
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#include <shlobj.h>
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#endif
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namespace atom {
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namespace {
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bool IsSwitchEnabled(base::CommandLine* command_line,
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const char* switch_string,
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bool* enabled) {
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std::string value = command_line->GetSwitchValueASCII(switch_string);
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if (value == "true")
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*enabled = true;
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else if (value == "false")
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*enabled = false;
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else
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return false;
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return true;
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}
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// global.Uint8Array;
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v8::Local<v8::Function> GetUint8ArrayConstructor(
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v8::Isolate* isolate, v8::Local<v8::Context> context) {
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v8::Local<v8::Value> constructor = context->Global()->Get(
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mate::StringToV8(isolate, "Uint8Array"));
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return v8::Local<v8::Function>::Cast(constructor);
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}
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// new ArrayBuffer(size);
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v8::Local<v8::ArrayBuffer> BlinkArrayBufferCreate(
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v8::Isolate* isolate, size_t size) {
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blink::WebArrayBuffer buffer = blink::WebArrayBuffer::create(size, 1);
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return v8::Local<v8::ArrayBuffer>::Cast(
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blink::WebArrayBufferConverter::toV8Value(
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&buffer, isolate->GetCurrentContext()->Global(), isolate));
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}
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// new Uint8Array(array_buffer, offset, size);
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v8::Local<v8::Uint8Array> BlinkUint8ArrayCreate(
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v8::Local<v8::ArrayBuffer> ab, size_t offset, size_t size) {
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v8::Local<v8::Context> context = ab->CreationContext();
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v8::Isolate* isolate = context->GetIsolate();
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v8::Local<v8::Function> constructor =
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GetUint8ArrayConstructor(isolate, context);
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v8::Local<v8::Value> args[] = {
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ab, mate::ConvertToV8(isolate, offset), mate::ConvertToV8(isolate, size)
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};
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return v8::Local<v8::Uint8Array>::Cast(constructor->NewInstance(
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context, arraysize(args), args).ToLocalChecked());
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}
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// Helper class to forward the messages to the client.
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class AtomRenderFrameObserver : public content::RenderFrameObserver {
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public:
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AtomRenderFrameObserver(content::RenderFrame* frame,
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AtomRendererClient* renderer_client)
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: content::RenderFrameObserver(frame),
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renderer_client_(renderer_client) {}
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// content::RenderFrameObserver:
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void DidCreateScriptContext(v8::Handle<v8::Context> context,
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int extension_group,
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int world_id) {
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renderer_client_->DidCreateScriptContext(
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render_frame()->GetWebFrame(), context);
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}
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private:
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AtomRendererClient* renderer_client_;
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DISALLOW_COPY_AND_ASSIGN(AtomRenderFrameObserver);
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};
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} // namespace
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AtomRendererClient::AtomRendererClient()
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: node_bindings_(NodeBindings::Create(false)),
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atom_bindings_(new AtomBindings) {
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}
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AtomRendererClient::~AtomRendererClient() {
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}
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void AtomRendererClient::WebKitInitialized() {
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EnableWebRuntimeFeatures();
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blink::WebCustomElement::addEmbedderCustomElementName("webview");
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blink::WebCustomElement::addEmbedderCustomElementName("browserplugin");
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// Override Node's ArrayBuffer with DOM's ArrayBuffer.
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node::Buffer::SetArrayBufferCreator(&BlinkArrayBufferCreate,
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&BlinkUint8ArrayCreate);
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node_bindings_->Initialize();
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node_bindings_->PrepareMessageLoop();
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DCHECK(!global_env);
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// Create a default empty environment which would be used when we need to
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// run V8 code out of a window context (like running a uv callback).
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v8::Isolate* isolate = blink::mainThreadIsolate();
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v8::HandleScope handle_scope(isolate);
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v8::Local<v8::Context> context = v8::Context::New(isolate);
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global_env = node::Environment::New(context, uv_default_loop());
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}
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void AtomRendererClient::RenderThreadStarted() {
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content::RenderThread::Get()->AddObserver(this);
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#if defined(OS_WIN)
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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base::string16 app_id =
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command_line->GetSwitchValueNative(switches::kAppUserModelId);
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if (!app_id.empty()) {
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SetCurrentProcessExplicitAppUserModelID(app_id.c_str());
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}
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#endif
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}
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void AtomRendererClient::RenderFrameCreated(
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content::RenderFrame* render_frame) {
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new PepperHelper(render_frame);
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new AtomRenderFrameObserver(render_frame, this);
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}
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void AtomRendererClient::RenderViewCreated(content::RenderView* render_view) {
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new printing::PrintWebViewHelper(render_view);
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new AtomRenderViewObserver(render_view, this);
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}
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blink::WebSpeechSynthesizer* AtomRendererClient::OverrideSpeechSynthesizer(
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blink::WebSpeechSynthesizerClient* client) {
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return new TtsDispatcher(client);
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}
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bool AtomRendererClient::OverrideCreatePlugin(
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content::RenderFrame* render_frame,
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blink::WebLocalFrame* frame,
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const blink::WebPluginParams& params,
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blink::WebPlugin** plugin) {
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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if (params.mimeType.utf8() == content::kBrowserPluginMimeType ||
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command_line->HasSwitch(switches::kEnablePlugins))
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return false;
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*plugin = nullptr;
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return true;
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}
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void AtomRendererClient::DidCreateScriptContext(
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blink::WebFrame* frame,
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v8::Handle<v8::Context> context) {
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// Only insert node integration for the main frame.
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if (frame->parent())
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return;
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// Give the node loop a run to make sure everything is ready.
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node_bindings_->RunMessageLoop();
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// Setup node environment for each window.
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node::Environment* env = node_bindings_->CreateEnvironment(context);
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// Add atom-shell extended APIs.
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atom_bindings_->BindTo(env->isolate(), env->process_object());
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// Make uv loop being wrapped by window context.
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if (node_bindings_->uv_env() == nullptr)
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node_bindings_->set_uv_env(env);
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// Load everything.
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node_bindings_->LoadEnvironment(env);
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}
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bool AtomRendererClient::ShouldFork(blink::WebLocalFrame* frame,
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const GURL& url,
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const std::string& http_method,
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bool is_initial_navigation,
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bool is_server_redirect,
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bool* send_referrer) {
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// Handle all the navigations and reloads in browser.
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// FIXME We only support GET here because http method will be ignored when
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// the OpenURLFromTab is triggered, which means form posting would not work,
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// we should solve this by patching Chromium in future.
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*send_referrer = true;
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return http_method == "GET";
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}
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content::BrowserPluginDelegate* AtomRendererClient::CreateBrowserPluginDelegate(
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content::RenderFrame* render_frame,
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const std::string& mime_type,
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const GURL& original_url) {
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if (mime_type == content::kBrowserPluginMimeType) {
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return new GuestViewContainer(render_frame);
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} else {
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return nullptr;
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}
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}
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bool AtomRendererClient::ShouldOverridePageVisibilityState(
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const content::RenderFrame* render_frame,
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blink::WebPageVisibilityState* override_state) {
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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bool b;
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if (IsSwitchEnabled(command_line, switches::kPageVisibility, &b)
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&& b) {
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*override_state = blink::WebPageVisibilityStateVisible;
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return true;
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}
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return false;
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}
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void AtomRendererClient::EnableWebRuntimeFeatures() {
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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bool b;
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if (IsSwitchEnabled(command_line, switches::kExperimentalFeatures, &b))
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blink::WebRuntimeFeatures::enableExperimentalFeatures(b);
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if (IsSwitchEnabled(command_line, switches::kExperimentalCanvasFeatures, &b))
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blink::WebRuntimeFeatures::enableExperimentalCanvasFeatures(b);
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if (IsSwitchEnabled(command_line, switches::kSubpixelFontScaling, &b))
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blink::WebRuntimeFeatures::enableSubpixelFontScaling(b);
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if (IsSwitchEnabled(command_line, switches::kOverlayScrollbars, &b))
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blink::WebRuntimeFeatures::enableOverlayScrollbars(b);
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if (IsSwitchEnabled(command_line, switches::kOverlayFullscreenVideo, &b))
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blink::WebRuntimeFeatures::enableOverlayFullscreenVideo(b);
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if (IsSwitchEnabled(command_line, switches::kSharedWorker, &b))
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blink::WebRuntimeFeatures::enableSharedWorker(b);
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}
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} // namespace atom
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