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Bug 1158377 - Make link drag-and-drop work with view source windows opened on remote browsers. r=jryans.

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This commit is contained in:
Mike Conley 2015-05-07 16:25:54 -04:00
parent fab2ffb300
commit 5e923b0141
1 changed files with 56 additions and 0 deletions
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56
toolkit/components/viewsource/content/viewSource.js
View File

@ -108,6 +108,8 @@ let ViewSourceChrome = {
removeEventListener("MozSwipeGesture", this, true);
gContextMenu.removeEventListener("popupshowing", this);
gContextMenu.removeEventListener("popuphidden", this);
Services.els.removeSystemEventListener(gBrowser, "dragover", this, true);
Services.els.removeSystemEventListener(gBrowser, "drop", this, true);
},
/**
@ -172,6 +174,12 @@ let ViewSourceChrome = {
case "popuphidden":
this.onContextMenuHidden(event);
break;
case "dragover":
this.onDragOver(event);
break;
case "drop":
this.onDrop(event);
break;
}
},
@ -259,6 +267,9 @@ let ViewSourceChrome = {
gContextMenu.addEventListener("popupshowing", this);
gContextMenu.addEventListener("popuphidden", this);
Services.els.addSystemEventListener(gBrowser, "dragover", this, true);
Services.els.addSystemEventListener(gBrowser, "drop", this, true);
if (!this.historyEnabled) {
// Disable the BACK and FORWARD commands and hide the related menu items.
let viewSourceNavigation = document.getElementById("viewSourceNavigation");
@ -501,6 +512,51 @@ let ViewSourceChrome = {
};
},
/**
* Called when the user drags something over the content browser.
*/
onDragOver(event) {
// For drags that appear to be internal text (for example, tab drags),
// set the dropEffect to 'none'. This prevents the drop even if some
// other listener cancelled the event.
let types = event.dataTransfer.types;
if (types.contains("text/x-moz-text-internal") && !types.contains("text/plain")) {
event.dataTransfer.dropEffect = "none";
event.stopPropagation();
event.preventDefault();
}
let linkHandler = Cc["@mozilla.org/content/dropped-link-handler;1"]
.getService(Ci.nsIDroppedLinkHandler);
if (linkHandler.canDropLink(event, false)) {
event.preventDefault();
}
},
/**
* Called twhen the user drops something onto the content browser.
*/
onDrop(event) {
if (event.defaultPrevented)
return;
let name = { };
let linkHandler = Cc["@mozilla.org/content/dropped-link-handler;1"]
.getService(Ci.nsIDroppedLinkHandler);
let uri;
try {
// Pass true to prevent the dropping of javascript:/data: URIs
uri = linkHandler.dropLink(event, name, true);
} catch (e) {
return;
}
if (uri) {
this.loadURL(uri);
}
},
/**
* For remote browsers, the contextmenu event is received in the
* content process, and a message is sent up from the frame script