Source code

Revision control

Copy as Markdown

Other Tools

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 __JumpListBuilder_h__
#define __JumpListBuilder_h__
#include "nsIJumpListBuilder.h"
#include "nsIObserver.h"
#include "nsProxyRelease.h"
#include "mozilla/LazyIdleThread.h"
namespace mozilla {
namespace dom {
struct WindowsJumpListShortcutDescription;
} // namespace dom
namespace widget {
/**
* This is an abstract class for a backend to write to the Windows Jump List.
*
* It has a 1-to-1 method mapping with ICustomDestinationList. The abtract
* class allows us to implement a "fake" backend for automated testing.
*/
class JumpListBackend {
NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
virtual bool IsAvailable() = 0;
virtual HRESULT SetAppID(LPCWSTR pszAppID) = 0;
virtual HRESULT BeginList(UINT* pcMinSlots, REFIID riid, void** ppv) = 0;
virtual HRESULT AddUserTasks(IObjectArray* poa) = 0;
virtual HRESULT AppendCategory(LPCWSTR pszCategory, IObjectArray* poa) = 0;
virtual HRESULT CommitList() = 0;
virtual HRESULT AbortList() = 0;
virtual HRESULT DeleteList(LPCWSTR pszAppID) = 0;
virtual HRESULT AppendKnownCategory(KNOWNDESTCATEGORY category) = 0;
protected:
virtual ~JumpListBackend() {}
};
/**
* JumpListBuilder is a component that can be used to manage the Windows
* Jump List off of the main thread.
*/
class JumpListBuilder : public nsIJumpListBuilder, public nsIObserver {
virtual ~JumpListBuilder();
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIJUMPLISTBUILDER
NS_DECL_NSIOBSERVER
explicit JumpListBuilder(const nsAString& aAppUserModelId,
RefPtr<JumpListBackend> aTestingBackend = nullptr);
private:
// These all run on the lazy helper thread.
void DoSetupBackend();
void DoSetupTestingBackend(RefPtr<JumpListBackend> aTestingBackend);
void DoShutdownBackend();
void DoSetAppIDIfAvailable(nsString aAppUserModelID);
void DoIsAvailable(const nsMainThreadPtrHandle<dom::Promise>& aPromiseHolder);
void DoCheckForRemovals(
const nsMainThreadPtrHandle<dom::Promise>& aPromiseHolder);
void DoPopulateJumpList(
const nsTArray<dom::WindowsJumpListShortcutDescription>&&
aTaskDescriptions,
const nsAString& aCustomTitle,
const nsTArray<dom::WindowsJumpListShortcutDescription>&&
aCustomDescriptions,
const nsMainThreadPtrHandle<dom::Promise>& aPromiseHolder);
void DoClearJumpList(
const nsMainThreadPtrHandle<dom::Promise>& aPromiseHolder);
void RemoveIconCacheAndGetJumplistShortcutURIs(IObjectArray* aObjArray,
nsTArray<nsString>& aURISpecs);
void DeleteIconFromDisk(const nsAString& aPath);
nsresult GetShellLinkFromDescription(
const dom::WindowsJumpListShortcutDescription& aDesc,
RefPtr<IShellLinkW>& aShellLink);
// This is written to once during construction on the main thread before the
// lazy helper thread is created. After that, the lazy helper thread might
// read from it.
nsString mAppUserModelId;
// This is only accessed by the lazy helper thread.
RefPtr<JumpListBackend> mJumpListBackend;
// This is only accessed by the main thread.
RefPtr<LazyIdleThread> mIOThread;
};
} // namespace widget
} // namespace mozilla
#endif /* __JumpListBuilder_h__ */