cefpython/src/subprocess/cefpython_app.cpp at cefpython49-winxp · pythonthings/cefpython · GitHub

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

361

362

363

364

365

366

367

368

369

370

371

372

373

374

375

376

377

378

379

380

381

382

383

384

385

386

387

388

389

390

391

392

393

394

395

396

397

398

399

400

401

402

403

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

452

453

454

455

456

457

458

459

460

461

462

463

464

465

466

467

468

469

470

471

472

473

474

475

476

477

478

479

480

481

482

483

484

485

486

487

488

489

490

491

492

493

494

495

496

497

498

499

500

501

502

503

504

505

506

507

508

509

510

511

512

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

557

558

559

560

561

562

563

564

565

566

567

568

569

570

571

572

573

574

575

576

577

578

579

580

581

582

583

584

585

586

587

588

589

590

591

592

593

594

595

596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

622

623

624

625

626

627

628

629

630

631

632

633

634

635

636

637

638

639

640

641

642

643

644

645

646

647

648

649

650

651

652

653

654

655

656

657

658

659

660

661

662

663

664

665

666

667

668

669

670

671

672

673

674

675

676

677

678

679

680

681

682

683

684

685

686

687

688

689

// Project website: https://github.com/cztomczak/cefpython

// BROWSER_PROCESS macro is defined when compiling the libcefpythonapp library.

// RENDERER_PROCESS macro is define when compiling the subprocess executable.

#ifdef BROWSER_PROCESS

#include "common/cefpython_public_api.h"

#endif

#if defined(OS_WIN)

#include <Shobjidl.h>

#pragma comment(lib, "Shell32.lib")

#endif // OS_WIN

#ifdef BROWSER_PROCESS

#ifdef OS_WIN

#include "client_handler/dpi_aware.h"

#elif OS_LINUX // OS_WIN

#include <gtk/gtk.h>

#include <gdk/gdk.h>

#include <gdk/gdkx.h>

#include "print_handler_gtk.h"

#endif // OS_LINUX

#endif // BROWSER_PROCESS

#include "cefpython_app.h"

#include "util.h"

#include "include/wrapper/cef_closure_task.h"

#include "include/base/cef_bind.h"

#include "include/base/cef_logging.h"

#include <vector>

#include <algorithm>

#include "v8utils.h"

#include "javascript_callback.h"

#include "v8function_handler.h"

// GLOBALS

bool g_debug = false;

CefPythonApp::CefPythonApp() {

#ifdef BROWSER_PROCESS

cefpython_GetDebugOptions(&g_debug);

#endif

}

// -----------------------------------------------------------------------------

// CefApp

// -----------------------------------------------------------------------------

void CefPythonApp::OnBeforeCommandLineProcessing(

const CefString& process_type,

CefRefPtr<CefCommandLine> command_line) {

// IMPORTANT NOTES

// ---------------

// NOTE 1: Currently CEF logging is limited and you cannot log

// info messages during execution of this function. The

// default log severity in Chromium is LOG_ERROR, thus

// you can will only see log messages when using LOG(ERROR)

// here. You won't see LOG(WARNING) nor LOG(INFO) messages

// here.

// NOTE 2: The "g_debug" variable is never set at this moment

// due to IPC messaging delay. There is some code here

// that depends on this variable, but it is currently

// never executed.

#ifdef BROWSER_PROCESS

// This is included only in the Browser process, when building

// the libcefpythonapp library.

if (process_type.empty()) {

// Empty proc type, so this must be the main browser process.

App_OnBeforeCommandLineProcessing_BrowserProcess(command_line);

}

#endif // BROWSER_PROCESS

// IMPORTANT: This code is currently dead due to g_debug and

// LOG(INFO) issues described at the top of this

// function. Command line string for subprocesses are

// are currently logged in OnBeforeChildProcess().

// Command line string for the main browser process

// is currently never logged.

std::string process_name = process_type.ToString();

if (process_name.empty()) {

process_name = "browser";

}

#ifdef BROWSER_PROCESS

std::string logMessage = "[Browser process] ";

#else // BROWSER_PROCESS

std::string logMessage = "[Non-browser process] ";

#endif // BROWSER_PROCESS

logMessage.append("Command line string for the ");

logMessage.append(process_name);

logMessage.append(" process: ");

std::string clString = command_line->GetCommandLineString().ToString();

logMessage.append(clString.c_str());

if (g_debug) {

// This code is currently never executed, see the "IMPORTANT"

// comment above and comments at the top of this function.

LOG(INFO) << logMessage.c_str();

}

#ifdef OS_WIN

// Set AppUserModelID (AppID) when "--app-user-model-id" switch

// is provided. This fixes pinning to taskbar issues on Windows 10.

// See Issue #395 for details.

// AppID here is set in all processes (Browser, Renderer, GPU, etc.).

// When compiling under Python 2.7 (VS2008) using Visual C++ for

// Python, it seems you can't use WINSDK 7 header files even though

// WINVER was specified in build_cpp_projects.py macros. Thus calling

// using proc address. Specifying full path to Shell32.dll is not

// required, in Chromium's source code full paths are not used.

// Note:

// subprocess.exe is built with UNICODE defined, however the

// cefpython_app library that is shared between subprocess and

// python process does not define UNICODE macro. Thus it is required

// to call LoadLibraryW explicitilly here.

HINSTANCE shell32 = LoadLibraryW(L"shell32.dll");

CefString app_id = command_line->GetSwitchValue("app-user-model-id");

if (app_id.length()) {

typedef HRESULT (WINAPI *SetAppUserModelID_Type)(PCWSTR);

static SetAppUserModelID_Type SetAppUserModelID;

SetAppUserModelID = (SetAppUserModelID_Type)GetProcAddress(

shell32, "SetCurrentProcessExplicitAppUserModelID");

HRESULT hr = (*SetAppUserModelID)(app_id.ToWString().c_str());

if (hr == S_OK) {

if (g_debug) {

// This code is currently never executed, see comments

// at the top of this function.

LOG(INFO) << "SetCurrentProcessExplicitAppUserModelID ok";

}

} else {

LOG(ERROR) << "SetCurrentProcessExplicitAppUserModelID failed";

}

#endif // OS_WIN

}

void CefPythonApp::OnRegisterCustomSchemes(

CefRefPtr<CefSchemeRegistrar> registrar) {

}

CefRefPtr<CefResourceBundleHandler> CefPythonApp::GetResourceBundleHandler() {

return NULL;

}

CefRefPtr<CefBrowserProcessHandler> CefPythonApp::GetBrowserProcessHandler() {

return this;

}

CefRefPtr<CefRenderProcessHandler> CefPythonApp::GetRenderProcessHandler() {

return this;

}

// ----------------------------------------------------------------------------

// CefBrowserProcessHandler

// ----------------------------------------------------------------------------

void CefPythonApp::OnContextInitialized() {

#ifdef BROWSER_PROCESS

REQUIRE_UI_THREAD();

#if defined(OS_LINUX)

print_handler_ = new ClientPrintHandlerGtk();

#endif // OS_LINUX

#endif // BROWSER_PROCESS

}

void CefPythonApp::OnBeforeChildProcessLaunch(

CefRefPtr<CefCommandLine> command_line) {

#ifdef BROWSER_PROCESS

// This is included only in the Browser process, when building

// the libcefpythonapp library.

if (IsProcessDpiAware()) {

// It is required to set DPI awareness in subprocesses

// as well, see Issue #358.

command_line->AppendSwitch("enable-high-dpi-support");

}

BrowserProcessHandler_OnBeforeChildProcessLaunch(command_line);

#endif // BROWSER_PROCESS

#ifdef BROWSER_PROCESS

std::string logMessage = "[Browser process] ";

#else

std::string logMessage = "[Non-browser process] ";

#endif // BROWSER_PROCESS

logMessage.append("OnBeforeChildProcessLaunch() command line: ");

std::string clString = command_line->GetCommandLineString().ToString();

logMessage.append(clString.c_str());

LOG(INFO) << logMessage.c_str();

}

void CefPythonApp::OnRenderProcessThreadCreated(

CefRefPtr<CefListValue> extra_info) {

#ifdef BROWSER_PROCESS

// If you have an existing CefListValue that you would like

// to provide, do this:

// | extra_info = mylist.get()

// The equivalent in Cython is:

// | extra_info.Assign(mylist.get())

REQUIRE_IO_THREAD();

// Eg.:

// | extra_info->SetBool(0, false);

// | extra_info->SetString(1, "test");

// This is included only in the Browser process, when building

// the libcefpythonapp library.

BrowserProcessHandler_OnRenderProcessThreadCreated(extra_info);

#endif // BROWSER_PROCESS

}

CefRefPtr<CefPrintHandler> CefPythonApp::GetPrintHandler() {

#ifdef BROWSER_PROCESS

#if defined(OS_LINUX)

// For print handler to work GTK must be initialized. This is

// required for some of the examples.

GdkDisplay* gdk_display = gdk_display_get_default();

if (!gdk_display) {

LOG(INFO) << "[Browser process] Initialize GTK";

gtk_init(0, NULL);

}

#endif

return print_handler_;

}

// -----------------------------------------------------------------------------

// CefRenderProcessHandler

// -----------------------------------------------------------------------------

void CefPythonApp::OnRenderThreadCreated(CefRefPtr<CefListValue> extra_info) {

}

void CefPythonApp::OnWebKitInitialized() {

}

void CefPythonApp::OnBrowserCreated(CefRefPtr<CefBrowser> browser) {

}

void CefPythonApp::OnBrowserDestroyed(CefRefPtr<CefBrowser> browser) {

LOG(INFO) << "[Renderer process] OnBrowserDestroyed()";

RemoveJavascriptBindings(browser);

}

bool CefPythonApp::OnBeforeNavigation(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefRequest> request,

cef_navigation_type_t navigation_type,

bool is_redirect) {

return false;

}

void CefPythonApp::OnContextCreated(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context) {

LOG(INFO) << "[Renderer process] OnContextCreated()";

CefRefPtr<CefProcessMessage> message = CefProcessMessage::Create(

"OnContextCreated");

CefRefPtr<CefListValue> arguments = message->GetArgumentList();

Sending int64 type using process messaging would require

converting it to a string or a binary, or you could send

two ints, see this topic:

http://www.magpcss.org/ceforum/viewtopic.php?f=6&t=10869

// Example of converting int64 to string. Still need an

// example of converting it back from string.

std::string logMessage = "[Renderer process] OnContextCreated(): frameId=";

stringstream stream;

int64 value = frame->GetIdentifier();

stream << value;

logMessage.append(stream.str());

LOG(INFO) << logMessage.c_str();

// TODO: losing int64 precision, the solution is to convert

// it to string and then in the Browser process back

// from string to int64. But it is rather unlikely

// that number of frames will exceed int range, so

// casting it to int for now.

arguments->SetInt(0, (int)(frame->GetIdentifier()));

browser->SendProcessMessage(PID_BROWSER, message);

CefRefPtr<CefDictionaryValue> jsBindings = GetJavascriptBindings(browser);

if (jsBindings.get()) {

// Javascript bindings are most probably not yet set for

// the main frame, they will be set a moment later due to

// process messaging delay. The code seems to be executed

// only for iframes.

if (frame->IsMain()) {

DoJavascriptBindingsForFrame(browser, frame, context);

} else {

if (jsBindings->HasKey("bindToFrames")

&& jsBindings->GetType("bindToFrames") == VTYPE_BOOL

&& jsBindings->GetBool("bindToFrames")) {

DoJavascriptBindingsForFrame(browser, frame, context);

}

void CefPythonApp::OnContextReleased(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context) {

LOG(INFO) << "[Renderer process] OnContextReleased()";

CefRefPtr<CefProcessMessage> message;

CefRefPtr<CefListValue> arguments;

// ------------------------------------------------------------------------

// 1. Send "OnContextReleased" message.

// ------------------------------------------------------------------------

message = CefProcessMessage::Create("OnContextReleased");

arguments = message->GetArgumentList();

arguments->SetInt(0, browser->GetIdentifier());

// TODO: losing int64 precision, the solution is to convert

// it to string and then in the Browser process back

// from string to int64. But it is rather unlikely

// that number of frames will exceed int range, so

// casting it to int for now.

arguments->SetInt(1, (int)(frame->GetIdentifier()));

// Should we send the message using current "browser"

// when this is not the main frame? It could fail, so

// it is more reliable to always use the main browser.

browser->SendProcessMessage(PID_BROWSER, message);

// ------------------------------------------------------------------------

// 2. Remove python callbacks for a frame.

// ------------------------------------------------------------------------

// If this is the main frame then the message won't arrive

// to the browser process, as browser is being destroyed,

// but it doesn't matter because in LifespanHandler_BeforeClose()

// we're calling RemovePythonCallbacksForBrowser().

message = CefProcessMessage::Create("RemovePythonCallbacksForFrame");

arguments = message->GetArgumentList();

// TODO: int64 precision lost

arguments->SetInt(0, (int)(frame->GetIdentifier()));

browser->SendProcessMessage(PID_BROWSER, message);

// ------------------------------------------------------------------------

// 3. Clear javascript callbacks.

// ------------------------------------------------------------------------

RemoveJavascriptCallbacksForFrame(frame);

}

void CefPythonApp::OnUncaughtException(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context,

CefRefPtr<CefV8Exception> exception,

CefRefPtr<CefV8StackTrace> stackTrace) {

}

void CefPythonApp::OnFocusedNodeChanged(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefDOMNode> node) {

}

bool CefPythonApp::OnProcessMessageReceived(CefRefPtr<CefBrowser> browser,

CefProcessId source_process,

CefRefPtr<CefProcessMessage> message) {

std::string messageName = message->GetName().ToString();

std::string logMessage = "[Renderer process] OnProcessMessageReceived(): ";

logMessage.append(messageName.c_str());

LOG(INFO) << logMessage.c_str();

CefRefPtr<CefListValue> args = message->GetArgumentList();

if (messageName == "DoJavascriptBindings") {

if (args->GetSize() == 1

&& args->GetType(0) == VTYPE_DICTIONARY

&& args->GetDictionary(0)->IsValid()) {

// Is it necessary to make a copy? It won't harm.

SetJavascriptBindings(browser,

args->GetDictionary(0)->Copy(false));

DoJavascriptBindingsForBrowser(browser);

} else {

LOG(ERROR) << "[Renderer process] OnProcessMessageReceived():"

" invalid arguments,"

" messageName=DoJavascriptBindings";

return false;

}

} else if (messageName == "ExecuteJavascriptCallback") {

if (args->GetType(0) == VTYPE_INT) {

int jsCallbackId = args->GetInt(0);

CefRefPtr<CefListValue> jsArgs;

if (args->IsReadOnly()) {

jsArgs = args->Copy();

} else {

jsArgs = args;

}

// Remove jsCallbackId.

jsArgs->Remove(0);

ExecuteJavascriptCallback(jsCallbackId, jsArgs);

} else {

LOG(ERROR) << "[Renderer process] OnProcessMessageReceived:"

" invalid arguments, expected first argument to be"

" a javascript callback (int)";

return false;

}

return true;

}

void CefPythonApp::SetJavascriptBindings(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefDictionaryValue> data) {

javascriptBindings_[browser->GetIdentifier()] = data;

}

CefRefPtr<CefDictionaryValue> CefPythonApp::GetJavascriptBindings(

CefRefPtr<CefBrowser> browser) {

int browserId = browser->GetIdentifier();

if (javascriptBindings_.find(browserId) != javascriptBindings_.end()) {

return javascriptBindings_[browserId];

}

return NULL;

}

void CefPythonApp::RemoveJavascriptBindings(CefRefPtr<CefBrowser> browser) {

int browserId = browser->GetIdentifier();

if (javascriptBindings_.find(browserId) != javascriptBindings_.end()) {

javascriptBindings_.erase(browserId);

}

bool CefPythonApp::BindedFunctionExists(CefRefPtr<CefBrowser> browser,

const CefString& functionName) {

CefRefPtr<CefDictionaryValue> jsBindings = GetJavascriptBindings(browser);

if (!jsBindings.get()) {

return false;

}

std::string strFunctionName = functionName.ToString();

size_t dotPosition = strFunctionName.find(".");

if (std::string::npos != dotPosition) {

// This is a method call, functionName == "object.method".

CefString objectName(strFunctionName.substr(0, dotPosition));

CefString methodName(strFunctionName.substr(dotPosition + 1,

std::string::npos));

if (!(jsBindings->HasKey("objects")

&& jsBindings->GetType("objects") == VTYPE_DICTIONARY)) {

LOG(ERROR) << "[Renderer process] BindedFunctionExists():"

" objects dictionary not found";

return false;

}

CefRefPtr<CefDictionaryValue> objects = \

jsBindings->GetDictionary("objects");

if (objects->HasKey(objectName)) {

if (!(objects->GetType(objectName) == VTYPE_DICTIONARY)) {

LOG(ERROR) << "[Renderer process] BindedFunctionExists():"

" objects dictionary has invalid type";

return false;

}

CefRefPtr<CefDictionaryValue> methods = \

objects->GetDictionary(objectName);

return methods->HasKey(methodName);

} else {

return false;

}

} else {

// This is a function call.

if (!(jsBindings->HasKey("functions")

&& jsBindings->GetType("functions") == VTYPE_DICTIONARY)) {

LOG(ERROR) << "[Renderer process] BindedFunctionExists():"

" functions dictionary not found";

return false;

}

CefRefPtr<CefDictionaryValue> functions = \

jsBindings->GetDictionary("functions");

return functions->HasKey(functionName);

}

void CefPythonApp::DoJavascriptBindingsForBrowser(

CefRefPtr<CefBrowser> browser) {

// get frame

// get context

// if bindToFrames is true loop through all frames,

// otherwise just the main frame.

// post task on a valid v8 thread

CefRefPtr<CefDictionaryValue> jsBindings = GetJavascriptBindings(browser);

if (!jsBindings.get()) {

// Bindings must be set before this function is called.

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForBrowser():"

" bindings not set";

return;

}

std::vector<int64> frameIds;

std::vector<CefString> frameNames;

if (jsBindings->HasKey("bindToFrames")

&& jsBindings->GetType("bindToFrames") == VTYPE_BOOL

&& jsBindings->GetBool("bindToFrames")) {

// GetFrameIdentifiers() is buggy, returns always a vector

// filled with zeroes (as of revision 1448). Use GetFrameNames()

// instead.

browser->GetFrameNames(frameNames);

for (std::vector<CefString>::iterator it = frameNames.begin(); \

it != frameNames.end(); ++it) {

CefRefPtr<CefFrame> frame = browser->GetFrame(*it);

if (frame.get()) {

frameIds.push_back(frame->GetIdentifier());

// | printf("GetFrameNames(): frameId = %lu\n",

// | frame->GetIdentifier());

}

// BUG in CEF:

// GetFrameNames() does not return the main frame (as of revision 1448).

// Make it work for the future when this bug gets fixed.

std::vector<int64>::iterator find_it = std::find(

frameIds.begin(), frameIds.end(),

browser->GetMainFrame()->GetIdentifier());

if (find_it == frameIds.end()) {

// Main frame not found in frameIds vector, add it now.

// | printf("Adding main frame to frameIds: %lu\n",

// | browser->GetMainFrame()->GetIdentifier());

frameIds.push_back(browser->GetMainFrame()->GetIdentifier());

}

if (!frameIds.size()) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForBrowser():"

" frameIds.size() == 0";

return;

}

for (std::vector<int64>::iterator it = frameIds.begin(); \

it != frameIds.end(); ++it) {

if (*it <= 0) {

// GetFrameIdentifiers() bug that returned a vector

// filled with zeros. This problem was fixed by using'

// GetFrameNames() so this block of code should not

// be executed anymore.

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForBrowser():"

" frameId <= 0";

// printf("[CEF Python] Renderer: frameId = %lli\n", *it);

continue;

}

CefRefPtr<CefFrame> frame = browser->GetFrame(*it);

if (!frame.get()) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForBrowser():"

" GetFrame() failed";

continue;

}

CefRefPtr<CefV8Context> context = frame->GetV8Context();

CefRefPtr<CefTaskRunner> taskRunner = context->GetTaskRunner();

taskRunner->PostTask(CefCreateClosureTask(base::Bind(

&CefPythonApp::DoJavascriptBindingsForFrame, this,

browser, frame, context

)));

}

void CefPythonApp::DoJavascriptBindingsForFrame(CefRefPtr<CefBrowser> browser,

CefRefPtr<CefFrame> frame,

CefRefPtr<CefV8Context> context) {

CefRefPtr<CefDictionaryValue> jsBindings = GetJavascriptBindings(browser);

if (!jsBindings.get()) {

// Bindings may not yet be set, it's okay.

LOG(INFO) << "[Renderer process] DoJavascriptBindingsForFrame():"

" bindings not set yet";

return;

}

LOG(INFO) << "[Renderer process] DoJavascriptBindingsForFrame():"

" bindings are set";

if (!(jsBindings->HasKey("functions")

&& jsBindings->GetType("functions") == VTYPE_DICTIONARY

&& jsBindings->HasKey("properties")

&& jsBindings->GetType("properties") == VTYPE_DICTIONARY

&& jsBindings->HasKey("objects")

&& jsBindings->GetType("objects") == VTYPE_DICTIONARY

&& jsBindings->HasKey("bindToFrames")

&& jsBindings->GetType("bindToFrames") == VTYPE_BOOL)) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" invalid data [1]";

return;

}

// A context must be explicitly entered before creating a

// V8 Object, Array, Function or Date asynchronously.

// NOTE: you cannot call CefV8Context::GetEnteredContext

// or GetCurrentContext when CefV8Context::InContext

// returns false, as it will result in crashes.

bool didEnterContext = false;

if (!CefV8Context::InContext()) {

if (!context->IsValid()) {

// BUG in CEF (Issue 130), the "context" provided by CEF may

// not be valid. May be a timing issue. Or may be caused by

// a redirect to a different origin and that creates a new

// renderer process.

// This message is logged in the tutorial.py example which

// uses data uri created from html string.

LOG(INFO) << "[Renderer process] DoJavascriptBindingsForFrame():"

" V8 context provided by CEF is invalid";

return;

}

context->Enter();

didEnterContext = true;

}

CefRefPtr<CefDictionaryValue> functions = \

jsBindings->GetDictionary("functions");

CefRefPtr<CefDictionaryValue> properties = \

jsBindings->GetDictionary("properties");

CefRefPtr<CefDictionaryValue> objects = \

jsBindings->GetDictionary("objects");

// Here in this function we bind only for the current frame.

// | bool bindToFrames = jsBindings->GetBool("bindToFrames");

if (!(functions->IsValid() && properties->IsValid()

&& objects->IsValid())) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" invalid data [2]";

if (didEnterContext)

context->Exit();

return;

}

CefRefPtr<CefV8Value> v8Window = context->GetGlobal();

CefRefPtr<CefV8Value> v8Function;

CefRefPtr<CefV8Handler> v8FunctionHandler(new V8FunctionHandler(this, 0));

// FUNCTIONS.

std::vector<CefString> functionsVector;

if (!functions->GetKeys(functionsVector)) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" functions->GetKeys() failed";

if (didEnterContext)

context->Exit();

return;

}

for (std::vector<CefString>::iterator it = functionsVector.begin(); \

it != functionsVector.end(); ++it) {

CefString functionName = *it;

v8Function = CefV8Value::CreateFunction(functionName,

v8FunctionHandler);

v8Window->SetValue(functionName, v8Function,

V8_PROPERTY_ATTRIBUTE_NONE);

}

// PROPERTIES.

CefRefPtr<CefV8Value> v8Properties = CefDictionaryValueToV8Value(

properties);

std::vector<CefString> v8Keys;

if (!v8Properties->GetKeys(v8Keys)) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" v8Properties->GetKeys() failed";

if (didEnterContext)

context->Exit();

return;

}

for (std::vector<CefString>::iterator it = v8Keys.begin(); \

it != v8Keys.end(); ++it) {

CefString v8Key = *it;

CefRefPtr<CefV8Value> v8Value = v8Properties->GetValue(v8Key);

v8Window->SetValue(v8Key, v8Value, V8_PROPERTY_ATTRIBUTE_NONE);

}

// OBJECTS AND ITS METHODS.

std::vector<CefString> objectsVector;

if (!objects->GetKeys(objectsVector)) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" objects->GetKeys() failed";

if (didEnterContext)

context->Exit();

return;

}

for (std::vector<CefString>::iterator it = objectsVector.begin(); \

it != objectsVector.end(); ++it) {

CefString objectName = *it;

CefRefPtr<CefV8Value> v8Object = CefV8Value::CreateObject(NULL);

v8Window->SetValue(objectName, v8Object, V8_PROPERTY_ATTRIBUTE_NONE);

// METHODS.

if (!(objects->GetType(objectName) == VTYPE_DICTIONARY)) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" objects->GetType() != VTYPE_DICTIONARY";

if (didEnterContext)

context->Exit();

return;

}

CefRefPtr<CefDictionaryValue> methods = \

objects->GetDictionary(objectName);

std::vector<CefString> methodsVector;

if (!(methods->IsValid() && methods->GetKeys(methodsVector))) {

LOG(ERROR) << "[Renderer process] DoJavascriptBindingsForFrame():"

" methods->GetKeys() failed";

if (didEnterContext)

context->Exit();

return;

}

for (std::vector<CefString>::iterator it = methodsVector.begin(); \

it != methodsVector.end(); ++it) {

CefString methodName = *it;

// fullMethodName = "object.method"

std::string fullMethodName = objectName.ToString().append(".") \

.append(methodName.ToString());

v8Function = CefV8Value::CreateFunction(fullMethodName,

v8FunctionHandler);

v8Object->SetValue(methodName, v8Function,

V8_PROPERTY_ATTRIBUTE_NONE);

}

// END.

if (didEnterContext)

context->Exit();

}

cefpython/src/subprocess/cefpython_app.cpp at cefpython49-winxp · pythonthings/cefpython · GitHub

Repository navigation

Expand file tree

Breadcrumbs

cefpython_app.cpp

Latest commit

History

Breadcrumbs

cefpython_app.cpp

File metadata and controls