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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/ipc/ContentProcessManager.h
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/ipc/ContentProcessManager.h')
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1 files changed, 90 insertions, 0 deletions
diff --git a/dom/ipc/ContentProcessManager.h b/dom/ipc/ContentProcessManager.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_ContentProcessManager_h
+#define mozilla_dom_ContentProcessManager_h
+
+#include "mozilla/StaticPtr.h"
+#include "mozilla/dom/TabContext.h"
+#include "mozilla/dom/ipc/IdType.h"
+#include "nsTArray.h"
+#include "nsTHashMap.h"
+
+namespace mozilla::dom {
+class ContentParent;
+
+class ContentProcessManager final {
+ public:
+ static ContentProcessManager* GetSingleton();
+ MOZ_COUNTED_DTOR(ContentProcessManager);
+
+ /**
+ * Add a new content process into the map.
+ */
+ void AddContentProcess(ContentParent* aChildCp);
+
+ /**
+ * Remove the content process by id.
+ */
+ void RemoveContentProcess(const ContentParentId& aChildCpId);
+
+ /**
+ * Return the ContentParent pointer by id.
+ */
+ ContentParent* GetContentProcessById(const ContentParentId& aChildCpId);
+
+ /**
+ * Add a new browser parent into the map.
+ */
+ bool RegisterRemoteFrame(BrowserParent* aChildBp);
+
+ /**
+ * Remove the browser parent by the given tab id.
+ */
+ void UnregisterRemoteFrame(const TabId& aChildTabId);
+
+ /**
+ * Get the ContentParentId of the parent of the given tab id.
+ */
+ ContentParentId GetTabProcessId(const TabId& aChildTabId);
+
+ /**
+ * Get the number of BrowserParents managed by the givent content process.
+ * Return 0 when ContentParent couldn't be found via aChildCpId.
+ */
+ uint32_t GetBrowserParentCountByProcessId(const ContentParentId& aChildCpId);
+
+ /**
+ * Get the BrowserParent by the given content process and tab id.
+ * Return nullptr when BrowserParent couldn't be found via aChildCpId
+ * and aChildTabId.
+ */
+ already_AddRefed<BrowserParent> GetBrowserParentByProcessAndTabId(
+ const ContentParentId& aChildCpId, const TabId& aChildTabId);
+
+ /**
+ * Get the BrowserParent on top level by the given content process and tab id.
+ *
+ * This function returns the BrowserParent directly within a BrowserHost,
+ * called top-level BrowserParent here, by given aChildCpId and aChildTabId.
+ * The given aChildCpId and aChildTabId are related to a content process
+ * and a tab respectively.
+ */
+ already_AddRefed<BrowserParent> GetTopLevelBrowserParentByProcessAndTabId(
+ const ContentParentId& aChildCpId, const TabId& aChildTabId);
+
+ private:
+ static StaticAutoPtr<ContentProcessManager> sSingleton;
+
+ nsTHashMap<nsUint64HashKey, ContentParent*> mContentParentMap;
+ nsTHashMap<nsUint64HashKey, BrowserParent*> mBrowserParentMap;
+
+ MOZ_COUNTED_DEFAULT_CTOR(ContentProcessManager);
+};
+
+} // namespace mozilla::dom
+
+#endif // mozilla_dom_ContentProcessManager_h