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Bug 1549753 - Add Visit methods for visiting the tree of BrowserParent and BrowserBridgeParent. r=afarre

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Differential Revision: https://phabricator.services.mozilla.com/D30215

--HG--
extra : rebase_source : f885c62dc8a24974d67b2c65e19ab42576e8640e
extra : histedit_source : f884a8ed29c99bd0e71f78d6adaf61a9f19ce21e
This commit is contained in:
Ryan Hunt 2019-05-07 11:08:22 -05:00
parent a1f98beaf1
commit 7df4ba7bbf
1 changed files with 41 additions and 1 deletions
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42
dom/ipc/BrowserParent.h
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@ -11,6 +11,7 @@
#include "LiveResizeListener.h"
#include "mozilla/ContentCache.h"
#include "mozilla/dom/ipc/IdType.h"
#include "mozilla/dom/BrowserBridgeParent.h"
#include "mozilla/dom/PBrowserParent.h"
#include "mozilla/dom/PContent.h"
#include "mozilla/dom/PFilePickerParent.h"
@ -72,7 +73,6 @@ class ClonedMessageData;
class ContentParent;
class Element;
class DataTransfer;
class BrowserBridgeParent;
namespace ipc {
class StructuredCloneData;
@ -187,6 +187,46 @@ class BrowserParent final : public PBrowserParent,
*/
bool IsDestroyed() const { return mIsDestroyed; }
/*
* Visit each BrowserParent in the tree formed by PBrowser and
* PBrowserBridge, including `this`.
*/
template <typename Callback>
void VisitAll(Callback aCallback) {
aCallback(this);
VisitAllDescendants(aCallback);
}
/*
* Visit each BrowserParent in the tree formed by PBrowser and
* PBrowserBridge, excluding `this`.
*/
template <typename Callback>
void VisitAllDescendants(Callback aCallback) {
const auto& browserBridges = ManagedPBrowserBridgeParent();
for (auto iter = browserBridges.ConstIter(); !iter.Done(); iter.Next()) {
BrowserBridgeParent* browserBridge =
static_cast<BrowserBridgeParent*>(iter.Get()->GetKey());
BrowserParent* browserParent = browserBridge->GetBrowserParent();
aCallback(browserParent);
browserParent->VisitAllDescendants(aCallback);
}
}
/*
* Visit each BrowserBridgeParent that is a child of this BrowserParent.
*/
template <typename Callback>
void VisitChildren(Callback aCallback) {
const auto& browserBridges = ManagedPBrowserBridgeParent();
for (auto iter = browserBridges.ConstIter(); !iter.Done(); iter.Next()) {
BrowserBridgeParent* browserBridge =
static_cast<BrowserBridgeParent*>(iter.Get()->GetKey());
aCallback(browserBridge);
}
}
void SetOwnerElement(Element* aElement);
void SetBrowserDOMWindow(nsIBrowserDOMWindow* aBrowserDOMWindow) {