328 lines
11 KiB
C++
328 lines
11 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 <vector>
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#include "atom/common/api/api_messages.h"
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#include "atom/common/api/atom_bindings.h"
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#include "atom/common/api/event_emitter_caller.h"
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#include "atom/common/color_util.h"
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#include "atom/common/native_mate_converters/value_converter.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 "atom/renderer/node_array_buffer_bridge.h"
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#include "atom/renderer/preferences_manager.h"
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#include "base/command_line.h"
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#include "chrome/renderer/media/chrome_key_systems.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 "content/public/renderer/render_view.h"
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#include "ipc/ipc_message_macros.h"
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#include "native_mate/dictionary.h"
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#include "third_party/WebKit/public/web/WebCustomElement.h"
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#include "third_party/WebKit/public/web/WebDocument.h"
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#include "third_party/WebKit/public/web/WebFrameWidget.h"
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#include "third_party/WebKit/public/web/WebKit.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/WebRuntimeFeatures.h"
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#include "third_party/WebKit/public/web/WebScriptSource.h"
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#include "third_party/WebKit/public/web/WebSecurityPolicy.h"
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#include "third_party/WebKit/public/web/WebView.h"
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#if defined(OS_MACOSX)
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#include "base/mac/mac_util.h"
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#include "base/strings/sys_string_conversions.h"
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#endif
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#if defined(OS_WIN)
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#include <shlobj.h>
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#endif
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#include "atom/common/node_includes.h"
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namespace atom {
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namespace {
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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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render_frame_(frame),
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world_id_(-1),
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renderer_client_(renderer_client) {}
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// content::RenderFrameObserver:
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void DidClearWindowObject() override {
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renderer_client_->DidClearWindowObject(render_frame_);
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}
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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) override {
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if (world_id_ != -1 && world_id_ != world_id)
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return;
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world_id_ = world_id;
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renderer_client_->DidCreateScriptContext(context, render_frame_);
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}
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void WillReleaseScriptContext(v8::Local<v8::Context> context,
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int world_id) override {
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if (world_id_ != world_id)
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return;
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renderer_client_->WillReleaseScriptContext(context, render_frame_);
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}
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void OnDestruct() override {
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delete this;
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}
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private:
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content::RenderFrame* render_frame_;
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int world_id_;
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AtomRendererClient* renderer_client_;
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DISALLOW_COPY_AND_ASSIGN(AtomRenderFrameObserver);
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};
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v8::Local<v8::Value> GetRenderProcessPreferences(
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const PreferencesManager* preferences_manager, v8::Isolate* isolate) {
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if (preferences_manager->preferences())
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return mate::ConvertToV8(isolate, *preferences_manager->preferences());
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else
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return v8::Null(isolate);
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}
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void AddRenderBindings(v8::Isolate* isolate,
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v8::Local<v8::Object> process,
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const PreferencesManager* preferences_manager) {
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mate::Dictionary dict(isolate, process);
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dict.SetMethod(
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"getRenderProcessPreferences",
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base::Bind(GetRenderProcessPreferences, preferences_manager));
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}
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bool IsDevToolsExtension(content::RenderFrame* render_frame) {
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return static_cast<GURL>(render_frame->GetWebFrame()->document().url())
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.SchemeIs("chrome-extension");
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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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// Parse --standard-schemes=scheme1,scheme2
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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std::string custom_schemes = command_line->GetSwitchValueASCII(
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switches::kStandardSchemes);
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if (!custom_schemes.empty()) {
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std::vector<std::string> schemes_list = base::SplitString(
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custom_schemes, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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for (const std::string& scheme : schemes_list)
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url::AddStandardScheme(scheme.c_str(), url::SCHEME_WITHOUT_PORT);
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}
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}
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AtomRendererClient::~AtomRendererClient() {
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}
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void AtomRendererClient::RenderThreadStarted() {
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blink::WebCustomElement::addEmbedderCustomElementName("webview");
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blink::WebCustomElement::addEmbedderCustomElementName("browserplugin");
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OverrideNodeArrayBuffer();
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preferences_manager_.reset(new PreferencesManager);
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#if defined(OS_WIN)
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// Set ApplicationUserModelID in renderer process.
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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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#if defined(OS_MACOSX)
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// Disable rubber banding by default.
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base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
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if (!command_line->HasSwitch(switches::kScrollBounce)) {
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base::ScopedCFTypeRef<CFStringRef> key(
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base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
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base::ScopedCFTypeRef<CFStringRef> value(
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base::SysUTF8ToCFStringRef("false"));
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CFPreferencesSetAppValue(key, value, kCFPreferencesCurrentApplication);
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CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
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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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// Allow file scheme to handle service worker by default.
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// FIXME(zcbenz): Can this be moved elsewhere?
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blink::WebSecurityPolicy::registerURLSchemeAsAllowingServiceWorkers("file");
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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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blink::WebFrameWidget* web_frame_widget = render_view->GetWebFrameWidget();
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if (!web_frame_widget)
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return;
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base::CommandLine* cmd = base::CommandLine::ForCurrentProcess();
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if (cmd->HasSwitch(switches::kGuestInstanceID)) { // webview.
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web_frame_widget->setBaseBackgroundColor(SK_ColorTRANSPARENT);
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} else { // normal window.
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// If backgroundColor is specified then use it.
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std::string name = cmd->GetSwitchValueASCII(switches::kBackgroundColor);
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// Otherwise use white background.
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SkColor color = name.empty() ? SK_ColorWHITE : ParseHexColor(name);
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web_frame_widget->setBaseBackgroundColor(color);
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}
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}
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void AtomRendererClient::DidClearWindowObject(
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content::RenderFrame* render_frame) {
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// Make sure every page will get a script context created.
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render_frame->GetWebFrame()->executeScript(blink::WebScriptSource("void 0"));
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}
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void AtomRendererClient::RunScriptsAtDocumentStart(
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content::RenderFrame* render_frame) {
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// Inform the document start pharse.
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node::Environment* env = node_bindings_->uv_env();
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if (env) {
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v8::HandleScope handle_scope(env->isolate());
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mate::EmitEvent(env->isolate(), env->process_object(), "document-start");
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}
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}
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void AtomRendererClient::RunScriptsAtDocumentEnd(
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content::RenderFrame* render_frame) {
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// Inform the document end pharse.
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node::Environment* env = node_bindings_->uv_env();
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if (env) {
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v8::HandleScope handle_scope(env->isolate());
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mate::EmitEvent(env->isolate(), env->process_object(), "document-end");
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}
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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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v8::Handle<v8::Context> context, content::RenderFrame* render_frame) {
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// Only allow node integration for the main frame, unless it is a devtools
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// extension page.
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if (!render_frame->IsMainFrame() && !IsDevToolsExtension(render_frame))
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return;
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// Whether the node binding has been initialized.
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bool first_time = node_bindings_->uv_env() == nullptr;
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// Prepare the node bindings.
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if (first_time) {
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node_bindings_->Initialize();
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node_bindings_->PrepareMessageLoop();
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}
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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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AddRenderBindings(env->isolate(), env->process_object(),
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preferences_manager_.get());
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// Load everything.
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node_bindings_->LoadEnvironment(env);
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if (first_time) {
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// Make uv loop being wrapped by window context.
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node_bindings_->set_uv_env(env);
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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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}
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}
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void AtomRendererClient::WillReleaseScriptContext(
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v8::Handle<v8::Context> context, content::RenderFrame* render_frame) {
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// Only allow node integration for the main frame, unless it is a devtools
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// extension page.
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if (!render_frame->IsMainFrame() && !IsDevToolsExtension(render_frame))
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return;
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node::Environment* env = node::Environment::GetCurrent(context);
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if (env)
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mate::EmitEvent(env->isolate(), env->process_object(), "exit");
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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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void AtomRendererClient::AddSupportedKeySystems(
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std::vector<std::unique_ptr<::media::KeySystemProperties>>* key_systems) {
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AddChromeKeySystems(key_systems);
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}
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} // namespace atom
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