ScreenCapture for Android phase1, part II

chrome/browser/media/media_stream_devices_controller.cc

Index: chrome/browser/media/media_stream_devices_controller.cc
diff --git a/chrome/browser/media/media_stream_devices_controller.cc b/chrome/browser/media/media_stream_devices_controller.cc
index 8995a288f6f048a886b8ebdd4f77ae328890427f..ddb67f2ff6e0cc3470d27abe3da81a36466be3ae 100644
--- a/chrome/browser/media/media_stream_devices_controller.cc
+++ b/chrome/browser/media/media_stream_devices_controller.cc
@@ -15,6 +15,7 @@
 #include "base/values.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
+#include "chrome/browser/media/desktop_streams_registry.h"
 #include "chrome/browser/media/media_capture_devices_dispatcher.h"
 #include "chrome/browser/media/media_permission.h"
 #include "chrome/browser/media/media_stream_capture_indicator.h"
@@ -40,6 +41,7 @@
 #include "content/public/common/origin_util.h"
 #include "extensions/common/constants.h"
 #include "grit/theme_resources.h"
+#include "third_party/webrtc/modules/desktop_capture/desktop_capture_types.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
@@ -198,6 +200,11 @@ MediaStreamDevicesController::MediaStreamDevicesController(
           web_contents, content_settings_types)) {
     return;
   }
+
+  // Always show infobar for screen capture on Android.
+  if (request.video_type == content::MEDIA_DESKTOP_VIDEO_CAPTURE) {
+    return;
+  }
 #endif
 
   // Otherwise we can run the callback immediately.
@@ -239,9 +246,15 @@ bool MediaStreamDevicesController::IsAskingForVideo() const {
   return old_video_setting_ == CONTENT_SETTING_ASK;
 }
 
+bool MediaStreamDevicesController::IsAskingForScreenCapture() const {
+  return request_.video_type == content::MEDIA_DESKTOP_VIDEO_CAPTURE;
+}
+
 base::string16 MediaStreamDevicesController::GetMessageText() const {
   int message_id = IDS_MEDIA_CAPTURE_AUDIO_AND_VIDEO;
-  if (!IsAskingForAudio())
+  if (IsAskingForScreenCapture())
+    message_id = IDS_MEDIA_SCREEN_CAPTURE_CONFIRMATION_TEXT;
+  else if (!IsAskingForAudio())
     message_id = IDS_MEDIA_CAPTURE_VIDEO_ONLY;
   else if (!IsAskingForVideo())
     message_id = IDS_MEDIA_CAPTURE_AUDIO_ONLY;
@@ -284,21 +297,31 @@ GURL MediaStreamDevicesController::GetOrigin() const {
 void MediaStreamDevicesController::PermissionGranted() {
   RecordPermissionAction(request_, profile_,
                          base::Bind(PermissionUmaUtil::PermissionGranted));
-  RunCallback(GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
-                            old_audio_setting_, CONTENT_SETTING_ALLOW),
-              GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA,
-                            old_video_setting_, CONTENT_SETTING_ALLOW),
-              content::MEDIA_DEVICE_PERMISSION_DENIED);
+  if (IsAskingForScreenCapture()) {
+    RunCallback(old_audio_setting_, old_video_setting_,
+                content::MEDIA_DEVICE_OK);
+  } else {
+    RunCallback(GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
+                              old_audio_setting_, CONTENT_SETTING_ALLOW),
+                GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA,
+                              old_video_setting_, CONTENT_SETTING_ALLOW),
+                content::MEDIA_DEVICE_PERMISSION_DENIED);
+  }
 }
 
 void MediaStreamDevicesController::PermissionDenied() {
   RecordPermissionAction(request_, profile_,
                          base::Bind(PermissionUmaUtil::PermissionDenied));
-  RunCallback(GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
-                            old_audio_setting_, CONTENT_SETTING_BLOCK),
-              GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA,
-                            old_video_setting_, CONTENT_SETTING_BLOCK),
-              content::MEDIA_DEVICE_PERMISSION_DENIED);
+  if (IsAskingForScreenCapture()) {
+    RunCallback(old_audio_setting_, old_video_setting_,
+                content::MEDIA_DEVICE_PERMISSION_DENIED);
+  } else {
+    RunCallback(GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC,
+                              old_audio_setting_, CONTENT_SETTING_BLOCK),
+                GetNewSetting(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA,
+                              old_video_setting_, CONTENT_SETTING_BLOCK),
+                content::MEDIA_DEVICE_PERMISSION_DENIED);
+  }
 }
 
 void MediaStreamDevicesController::GroupedRequestFinished(bool audio_accepted,
@@ -468,8 +491,16 @@ void MediaStreamDevicesController::RunCallback(
   // If either audio or video are allowed then the callback should report
   // success, otherwise we report |denial_reason|.
   content::MediaStreamRequestResult request_result = content::MEDIA_DEVICE_OK;
-  if (audio_setting != CONTENT_SETTING_ALLOW &&
-      video_setting != CONTENT_SETTING_ALLOW) {
+  if (IsAskingForScreenCapture()) {
+    request_result = denial_reason;
+
+    content::DesktopMediaID screen_id;
+    screen_id = content::DesktopMediaID(content::DesktopMediaID::TYPE_SCREEN,
+                                        webrtc::kFullDesktopScreenId);
+    devices.push_back(content::MediaStreamDevice(
+        content::MEDIA_DESKTOP_VIDEO_CAPTURE, screen_id.ToString(), "Screen"));
+  } else if (audio_setting != CONTENT_SETTING_ALLOW &&
+             video_setting != CONTENT_SETTING_ALLOW) {
     DCHECK_NE(content::MEDIA_DEVICE_OK, denial_reason);
     request_result = denial_reason;
   } else if (devices.empty()) {