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Unified Diff: chrome/common/extensions/request_media_access_permission_helper.cc

Issue 11273033: Implement Chrome Extension TabCapture API (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Lazy init registry Created 8 years, 2 months ago
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Index: chrome/common/extensions/request_media_access_permission_helper.cc
diff --git a/chrome/common/extensions/request_media_access_permission_helper.cc b/chrome/common/extensions/request_media_access_permission_helper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e9296e98a85031cc2b6134dfdcd6a2bbd0a479cc
--- /dev/null
+++ b/chrome/common/extensions/request_media_access_permission_helper.cc
@@ -0,0 +1,57 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/common/extensions/request_media_access_permission_helper.h"
+
+#include "chrome/common/extensions/feature_switch.h"
+
+namespace extensions {
+
+// static
+void RequestMediaAccessPermissionHelper::AuthorizeRequest(
+ const content::MediaStreamRequest* request,
+ const content::MediaResponseCallback& callback,
+ const extensions::Extension* extension,
+ bool is_packaged_app) {
+ content::MediaStreamDevices devices;
+
+ bool accepted_an_audio_device = false;
+ bool accepted_a_video_device = false;
+ for (content::MediaStreamDeviceMap::const_iterator it =
+ request->devices.begin(); it != request->devices.end(); ++it) {
+ if (!accepted_an_audio_device &&
+ content::IsAudioMediaType(it->first) &&
+ !it->second.empty()) {
+ // Require flag and tab capture permission for tab media.
+ // Require audio capture permission for packaged apps.
+ if ((it->first == content::MEDIA_TAB_AUDIO_CAPTURE &&
+ extensions::FeatureSwitch::tab_capture()->IsEnabled() &&
+ extension->HasAPIPermission(APIPermission::kTabCapture)) ||
+ (it->first == content::MEDIA_DEVICE_AUDIO_CAPTURE &&
+ is_packaged_app &&
+ extension->HasAPIPermission(APIPermission::kAudioCapture))) {
+ devices.push_back(it->second.front());
+ accepted_an_audio_device = true;
+ }
+ } else if (!accepted_a_video_device &&
+ content::IsVideoMediaType(it->first) &&
+ !it->second.empty()) {
+ // Require flag and tab capture permission for tab media.
+ // Require video capture permission for packaged apps.
+ if ((it->first == content::MEDIA_TAB_VIDEO_CAPTURE &&
+ extensions::FeatureSwitch::tab_capture()->IsEnabled() &&
+ extension->HasAPIPermission(APIPermission::kTabCapture)) ||
+ (it->first == content::MEDIA_DEVICE_VIDEO_CAPTURE &&
+ is_packaged_app &&
+ extension->HasAPIPermission(APIPermission::kVideoCapture))) {
+ devices.push_back(it->second.front());
+ accepted_a_video_device = true;
+ }
+ }
+ }
+
+ callback.Run(devices);
+}
+
+} // namespace extensions
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