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Side by Side Diff: chrome/browser/extensions/api/tab_capture/offscreen_presentation.cc

Issue 1221483002: New tabCapture.captureOffscreenTab API, initially for Presentation API 1UA mode (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 6 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/extensions/api/tab_capture/offscreen_presentation.h" 5 #include "chrome/browser/extensions/api/tab_capture/offscreen_presentation.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "base/bind.h" 9 #include "base/bind.h"
10 #include "chrome/browser/extensions/api/tab_capture/tab_capture_registry.h" 10 #include "chrome/browser/extensions/api/tab_capture/tab_capture_registry.h"
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374 DCHECK_EQ(presentation_web_contents_.get(), contents); 374 DCHECK_EQ(presentation_web_contents_.get(), contents);
375 375
376 // This method is being called to check whether an extension is permitted to 376 // This method is being called to check whether an extension is permitted to
377 // capture the page. Verify that the request is being made by the extension 377 // capture the page. Verify that the request is being made by the extension
378 // that spawned this OffscreenPresentation. 378 // that spawned this OffscreenPresentation.
379 379
380 // Find the extension ID associated with the extension background page's 380 // Find the extension ID associated with the extension background page's
381 // WebContents. 381 // WebContents.
382 content::BrowserContext* const extension_browser_context = 382 content::BrowserContext* const extension_browser_context =
383 owner_->extension_web_contents()->GetBrowserContext(); 383 owner_->extension_web_contents()->GetBrowserContext();
384 std::string extension_id; 384 const extensions::Extension* const extension =
385 for (const ExtensionHost* host : 385 ProcessManager::Get(extension_browser_context)->
386 ProcessManager::Get(extension_browser_context)->background_hosts()) { 386 GetExtensionForWebContents(owner_->extension_web_contents());
387 if (host->host_contents() == owner_->extension_web_contents()) { 387 const std::string extension_id = extension ? extension->id() : "";
388 extension_id = host->extension_id(); 388 LOG_IF(DFATAL, extension_id.empty())
389 break; 389 << "Extension that started this OffscreenPresentation was not found.";
390 }
391 }
392 390
393 // If verified, allow any tab capture audio/video devices that were requested. 391 // If verified, allow any tab capture audio/video devices that were requested.
394 extensions::TabCaptureRegistry* const tab_capture_registry = 392 extensions::TabCaptureRegistry* const tab_capture_registry =
395 extensions::TabCaptureRegistry::Get(extension_browser_context); 393 extensions::TabCaptureRegistry::Get(extension_browser_context);
396 content::MediaStreamDevices devices; 394 content::MediaStreamDevices devices;
397 if (tab_capture_registry && tab_capture_registry->VerifyRequest( 395 if (tab_capture_registry && tab_capture_registry->VerifyRequest(
398 request.render_process_id, 396 request.render_process_id,
399 request.render_frame_id, 397 request.render_frame_id,
400 extension_id)) { 398 extension_id)) {
401 if (request.audio_type == content::MEDIA_TAB_AUDIO_CAPTURE) { 399 if (request.audio_type == content::MEDIA_TAB_AUDIO_CAPTURE) {
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468 466
469 // Schedule the timer to check again in a second. 467 // Schedule the timer to check again in a second.
470 capture_poll_timer_.Start( 468 capture_poll_timer_.Start(
471 FROM_HERE, 469 FROM_HERE,
472 base::TimeDelta::FromSeconds(kPollIntervalInSeconds), 470 base::TimeDelta::FromSeconds(kPollIntervalInSeconds),
473 base::Bind(&OffscreenPresentation::DieIfContentCaptureEnded, 471 base::Bind(&OffscreenPresentation::DieIfContentCaptureEnded,
474 base::Unretained(this))); 472 base::Unretained(this)));
475 } 473 }
476 474
477 } // namespace extensions 475 } // namespace extensions
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