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Bug 947132 - [RTSP] Replace system message by activity for rtsp loading. r=fabrice

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This commit is contained in:
Ethan Tseng 2013-12-07 15:24:02 +08:00
parent 434cbb1f01
commit 2bec3604db
2 changed files with 35 additions and 36 deletions
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1
dom/messages/SystemMessagePermissionsChecker.jsm
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@ -110,7 +110,6 @@ this.SystemMessagePermissionsTable = {
"nfc-powerlevel-change": {
"settings": ["read", "write"]
},
"rtsp-open-video": {},
};
this.SystemMessagePermissionsChecker = {

70
uriloader/exthandler/nsExternalHelperAppService.cpp
View File

@ -121,7 +121,8 @@
#endif
#ifdef NECKO_PROTOCOL_rtsp
#include "nsISystemMessagesInternal.h"
#include "nsIScriptSecurityManager.h"
#include "nsIMessageManager.h"
#endif
using namespace mozilla;
@ -605,41 +606,29 @@ private:
} // anonymous namespace
/**
* This function broadcasts a system message in order to launch video app for
* rtsp scheme. This is Gonk-specific behavior.
* This function sends a message. This 'content-handler' message is handled in
* b2g/chrome/content/shell.js where it starts an activity request that will
* open the video app.
*/
void nsExternalHelperAppService::LaunchVideoAppForRtsp(nsIURI* aURI)
{
NS_NAMED_LITERAL_STRING(msgType, "rtsp-open-video");
bool rv;
// Make the url is rtsp.
bool isRTSP = false;
aURI->SchemeIs("rtsp", &isRTSP);
NS_ASSERTION(isRTSP, "Not rtsp protocol! Something goes wrong here");
// Get a system principal.
nsCOMPtr<nsIScriptSecurityManager> securityManager =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID);
NS_ENSURE_TRUE_VOID(securityManager);
// Construct jsval for system message.
nsCOMPtr<nsIPrincipal> principal;
securityManager->GetSystemPrincipal(getter_AddRefs(principal));
NS_ENSURE_TRUE_VOID(principal);
// Construct the message in jsVal format.
AutoSafeJSContext cx;
AutoClearPendingException helper(cx);
JS::Rooted<JSObject*> msgObj(cx, JS_NewObject(cx, nullptr, nullptr, nullptr));
NS_ENSURE_TRUE_VOID(msgObj);
JS::Rooted<JS::Value> jsVal(cx);
bool rv;
// Set the "url" and "title" properties of the message.
// In the case of RTSP streaming, the title is the same as the url.
{
nsAutoCString spec;
aURI->GetAsciiSpec(spec);
JSString *urlStr = JS_NewStringCopyN(cx, spec.get(), spec.Length());
NS_ENSURE_TRUE_VOID(urlStr);
jsVal.setString(urlStr);
rv = JS_SetProperty(cx, msgObj, "url", jsVal);
NS_ENSURE_TRUE_VOID(rv);
rv = JS_SetProperty(cx, msgObj, "title", jsVal);
NS_ENSURE_TRUE_VOID(rv);
}
// Set the "type" property of the message. This is a fake MIME type.
{
@ -647,18 +636,29 @@ void nsExternalHelperAppService::LaunchVideoAppForRtsp(nsIURI* aURI)
JSString *typeStr = JS_NewStringCopyN(cx, mimeType.get(), mimeType.Length());
NS_ENSURE_TRUE_VOID(typeStr);
jsVal.setString(typeStr);
rv = JS_SetProperty(cx, msgObj, "type", jsVal);
NS_ENSURE_TRUE_VOID(rv);
}
// Set the "url" and "title" properties of the message.
// They are the same in the case of RTSP streaming.
{
nsAutoCString spec;
aURI->GetSpec(spec);
JSString *urlStr = JS_NewStringCopyN(cx, spec.get(), spec.Length());
NS_ENSURE_TRUE_VOID(urlStr);
jsVal.setString(urlStr);
rv = JS_SetProperty(cx, msgObj, "url", jsVal);
NS_ENSURE_TRUE_VOID(rv);
rv = JS_SetProperty(cx, msgObj, "title", jsVal);
}
rv = JS_SetProperty(cx, msgObj, "type", jsVal);
NS_ENSURE_TRUE_VOID(rv);
// Broadcast system message.
nsCOMPtr<nsISystemMessagesInternal> systemMessenger =
do_GetService("@mozilla.org/system-message-internal;1");
NS_ENSURE_TRUE_VOID(systemMessenger);
jsVal.setObject(*msgObj);
systemMessenger->BroadcastMessage(msgType, jsVal, JS::UndefinedValue());
return;
// Send the message.
nsCOMPtr<nsIMessageSender> cpmm =
do_GetService("@mozilla.org/childprocessmessagemanager;1");
NS_ENSURE_TRUE_VOID(cpmm);
cpmm->SendAsyncMessage(NS_LITERAL_STRING("content-handler"),
jsVal, JSVAL_NULL, principal, cx, 2);
}
#endif