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gecko-dev
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gecko-dev/widget/windows/WinTaskbar.cpp

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12 KiB
C++
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/* vim: se cin sw=2 ts=2 et : */
/* -*- 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/. */
#include "WinTaskbar.h"
#include "TaskbarPreview.h"
#include <nsITaskbarPreviewController.h>
#include "mozilla/RefPtr.h"
#include <nsError.h>
#include <nsCOMPtr.h>
#include <nsIWidget.h>
#include <nsIBaseWindow.h>
#include <nsServiceManagerUtils.h>
#include "nsIXULAppInfo.h"
#include "nsIJumpListBuilder.h"
#include "nsUXThemeData.h"
#include "nsWindow.h"
#include "WinUtils.h"
#include "TaskbarTabPreview.h"
#include "TaskbarWindowPreview.h"
#include "JumpListBuilder.h"
#include "nsWidgetsCID.h"
#include "nsPIDOMWindow.h"
#include "nsAppDirectoryServiceDefs.h"
#include "mozilla/Preferences.h"
#include "nsAppRunner.h"
#include "nsXREDirProvider.h"
#include <io.h>
#include <propvarutil.h>
#include <propkey.h>
#include <shellapi.h>
static NS_DEFINE_CID(kJumpListBuilderCID, NS_WIN_JUMPLISTBUILDER_CID);
namespace {
HWND GetHWNDFromDocShell(nsIDocShell* aShell) {
nsCOMPtr<nsIBaseWindow> baseWindow(
do_QueryInterface(reinterpret_cast<nsISupports*>(aShell)));
if (!baseWindow) return nullptr;
nsCOMPtr<nsIWidget> widget;
baseWindow->GetMainWidget(getter_AddRefs(widget));
return widget ? (HWND)widget->GetNativeData(NS_NATIVE_WINDOW) : nullptr;
}
HWND GetHWNDFromDOMWindow(mozIDOMWindow* dw) {
nsCOMPtr<nsIWidget> widget;
if (!dw) return nullptr;
nsCOMPtr<nsPIDOMWindowInner> window = nsPIDOMWindowInner::From(dw);
return GetHWNDFromDocShell(window->GetDocShell());
}
nsresult SetWindowAppUserModelProp(mozIDOMWindow* aParent,
const nsString& aIdentifier) {
NS_ENSURE_ARG_POINTER(aParent);
if (aIdentifier.IsEmpty()) return NS_ERROR_INVALID_ARG;
HWND toplevelHWND = ::GetAncestor(GetHWNDFromDOMWindow(aParent), GA_ROOT);
if (!toplevelHWND) return NS_ERROR_INVALID_ARG;
RefPtr<IPropertyStore> pPropStore;
if (FAILED(SHGetPropertyStoreForWindow(toplevelHWND, IID_IPropertyStore,
getter_AddRefs(pPropStore)))) {
return NS_ERROR_INVALID_ARG;
}
PROPVARIANT pv;
if (FAILED(InitPropVariantFromString(aIdentifier.get(), &pv))) {
return NS_ERROR_UNEXPECTED;
}
nsresult rv = NS_OK;
if (FAILED(pPropStore->SetValue(PKEY_AppUserModel_ID, pv)) ||
FAILED(pPropStore->Commit())) {
rv = NS_ERROR_FAILURE;
}
PropVariantClear(&pv);
return rv;
}
///////////////////////////////////////////////////////////////////////////////
// default nsITaskbarPreviewController
class DefaultController final : public nsITaskbarPreviewController {
~DefaultController() {}
HWND mWnd;
public:
explicit DefaultController(HWND hWnd) : mWnd(hWnd) {}
NS_DECL_ISUPPORTS
NS_DECL_NSITASKBARPREVIEWCONTROLLER
};
NS_IMETHODIMP
DefaultController::GetWidth(uint32_t* aWidth) {
RECT r;
::GetClientRect(mWnd, &r);
*aWidth = r.right;
return NS_OK;
}
NS_IMETHODIMP
DefaultController::GetHeight(uint32_t* aHeight) {
RECT r;
::GetClientRect(mWnd, &r);
*aHeight = r.bottom;
return NS_OK;
}
NS_IMETHODIMP
DefaultController::GetThumbnailAspectRatio(float* aThumbnailAspectRatio) {
uint32_t width, height;
GetWidth(&width);
GetHeight(&height);
if (!height) height = 1;
*aThumbnailAspectRatio = width / float(height);
return NS_OK;
}
NS_IMETHODIMP
DefaultController::RequestThumbnail(nsITaskbarPreviewCallback* aCallback,
uint32_t width, uint32_t height) {
return NS_OK;
}
NS_IMETHODIMP
DefaultController::RequestPreview(nsITaskbarPreviewCallback* aCallback) {
return NS_OK;
}
NS_IMETHODIMP
DefaultController::OnClose(void) {
MOZ_ASSERT_UNREACHABLE(
"OnClose should not be called for "
"TaskbarWindowPreviews");
return NS_OK;
}
NS_IMETHODIMP
DefaultController::OnActivate(bool* rAcceptActivation) {
*rAcceptActivation = true;
MOZ_ASSERT_UNREACHABLE(
"OnActivate should not be called for "
"TaskbarWindowPreviews");
return NS_OK;
}
NS_IMETHODIMP
DefaultController::OnClick(nsITaskbarPreviewButton* button) { return NS_OK; }
NS_IMPL_ISUPPORTS(DefaultController, nsITaskbarPreviewController)
} // namespace
namespace mozilla {
namespace widget {
///////////////////////////////////////////////////////////////////////////////
// nsIWinTaskbar
NS_IMPL_ISUPPORTS(WinTaskbar, nsIWinTaskbar)
bool WinTaskbar::Initialize() {
if (mTaskbar) return true;
::CoInitialize(nullptr);
HRESULT hr =
::CoCreateInstance(CLSID_TaskbarList, nullptr, CLSCTX_INPROC_SERVER,
IID_ITaskbarList4, (void**)&mTaskbar);
if (FAILED(hr)) return false;
hr = mTaskbar->HrInit();
if (FAILED(hr)) {
// This may fail with shell extensions like blackbox installed.
NS_WARNING("Unable to initialize taskbar");
NS_RELEASE(mTaskbar);
return false;
}
return true;
}
WinTaskbar::WinTaskbar() : mTaskbar(nullptr) {}
WinTaskbar::~WinTaskbar() {
if (mTaskbar) { // match successful Initialize() call
NS_RELEASE(mTaskbar);
::CoUninitialize();
}
}
// static
bool WinTaskbar::GetAppUserModelID(nsAString& aDefaultGroupId) {
// If an ID has already been set then use that.
PWSTR id;
if (SUCCEEDED(GetCurrentProcessExplicitAppUserModelID(&id))) {
aDefaultGroupId.Assign(id);
CoTaskMemFree(id);
}
// If marked as such in prefs, use a hash of the profile path for the id
// instead of the install path hash setup by the installer.
bool useProfile = Preferences::GetBool("taskbar.grouping.useprofile", false);
if (useProfile) {
nsCOMPtr<nsIFile> profileDir;
NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
getter_AddRefs(profileDir));
bool exists = false;
if (profileDir && NS_SUCCEEDED(profileDir->Exists(&exists)) && exists) {
nsAutoCString path;
if (NS_SUCCEEDED(profileDir->GetPersistentDescriptor(path))) {
nsAutoString id;
id.AppendInt(HashString(path));
if (!id.IsEmpty()) {
aDefaultGroupId.Assign(id);
return true;
}
}
}
}
// The default value is set by the installer and is stored in the registry
// under (HKLM||HKCU)/Software/Mozilla/Firefox/TaskBarIDs. If for any reason
// hash generation operation fails, the installer will not store a value in
// the registry or set ids on shortcuts. A lack of an id can also occur for
// zipped builds.
nsCOMPtr<nsIXULAppInfo> appInfo =
do_GetService("@mozilla.org/xre/app-info;1");
nsCString appName;
if (appInfo && NS_SUCCEEDED(appInfo->GetName(appName))) {
nsAutoString regKey;
regKey.AssignLiteral("Software\\Mozilla\\");
AppendASCIItoUTF16(appName, regKey);
regKey.AppendLiteral("\\TaskBarIDs");
WCHAR path[MAX_PATH];
if (GetModuleFileNameW(nullptr, path, MAX_PATH)) {
wchar_t* slash = wcsrchr(path, '\\');
if (!slash) return false;
*slash = '\0'; // no trailing slash
// The hash is short, but users may customize this, so use a respectable
// string buffer.
wchar_t buf[256];
if (WinUtils::GetRegistryKey(HKEY_LOCAL_MACHINE, regKey.get(), path, buf,
sizeof buf)) {
aDefaultGroupId.Assign(buf);
} else if (WinUtils::GetRegistryKey(HKEY_CURRENT_USER, regKey.get(), path,
buf, sizeof buf)) {
aDefaultGroupId.Assign(buf);
}
}
}
// If we haven't found an ID yet then use the install hash. In xpcshell tests
// the directory provider may not have been initialized so bypass in this
// case.
if (aDefaultGroupId.IsEmpty() && gDirServiceProvider) {
gDirServiceProvider->GetInstallHash(aDefaultGroupId);
}
return !aDefaultGroupId.IsEmpty();
}
NS_IMETHODIMP
WinTaskbar::GetDefaultGroupId(nsAString& aDefaultGroupId) {
if (!GetAppUserModelID(aDefaultGroupId)) return NS_ERROR_UNEXPECTED;
return NS_OK;
}
// (static) Called from AppShell
bool WinTaskbar::RegisterAppUserModelID() {
nsAutoString uid;
if (!GetAppUserModelID(uid)) return false;
return SUCCEEDED(SetCurrentProcessExplicitAppUserModelID(uid.get()));
}
NS_IMETHODIMP
WinTaskbar::GetAvailable(bool* aAvailable) {
// ITaskbarList4::HrInit() may fail with shell extensions like blackbox
// installed. Initialize early to return available=false in those cases.
*aAvailable = Initialize();
return NS_OK;
}
NS_IMETHODIMP
WinTaskbar::CreateTaskbarTabPreview(nsIDocShell* shell,
nsITaskbarPreviewController* controller,
nsITaskbarTabPreview** _retval) {
if (!Initialize()) return NS_ERROR_NOT_AVAILABLE;
NS_ENSURE_ARG_POINTER(shell);
NS_ENSURE_ARG_POINTER(controller);
HWND toplevelHWND = ::GetAncestor(GetHWNDFromDocShell(shell), GA_ROOT);
if (!toplevelHWND) return NS_ERROR_INVALID_ARG;
RefPtr<TaskbarTabPreview> preview(
new TaskbarTabPreview(mTaskbar, controller, toplevelHWND, shell));
if (!preview) return NS_ERROR_OUT_OF_MEMORY;
nsresult rv = preview->Init();
if (NS_FAILED(rv)) {
return rv;
}
preview.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
WinTaskbar::GetTaskbarWindowPreview(nsIDocShell* shell,
nsITaskbarWindowPreview** _retval) {
if (!Initialize()) return NS_ERROR_NOT_AVAILABLE;
NS_ENSURE_ARG_POINTER(shell);
HWND toplevelHWND = ::GetAncestor(GetHWNDFromDocShell(shell), GA_ROOT);
if (!toplevelHWND) return NS_ERROR_INVALID_ARG;
nsWindow* window = WinUtils::GetNSWindowPtr(toplevelHWND);
if (!window) return NS_ERROR_FAILURE;
nsCOMPtr<nsITaskbarWindowPreview> preview = window->GetTaskbarPreview();
if (!preview) {
RefPtr<DefaultController> defaultController =
new DefaultController(toplevelHWND);
TaskbarWindowPreview* previewRaw = new TaskbarWindowPreview(
mTaskbar, defaultController, toplevelHWND, shell);
if (!previewRaw) {
return NS_ERROR_OUT_OF_MEMORY;
}
preview = previewRaw;
nsresult rv = previewRaw->Init();
if (NS_FAILED(rv)) {
return rv;
}
window->SetTaskbarPreview(preview);
}
preview.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
WinTaskbar::GetTaskbarProgress(nsIDocShell* shell,
nsITaskbarProgress** _retval) {
nsCOMPtr<nsITaskbarWindowPreview> preview;
nsresult rv = GetTaskbarWindowPreview(shell, getter_AddRefs(preview));
NS_ENSURE_SUCCESS(rv, rv);
return CallQueryInterface(preview, _retval);
}
NS_IMETHODIMP
WinTaskbar::GetOverlayIconController(
nsIDocShell* shell, nsITaskbarOverlayIconController** _retval) {
nsCOMPtr<nsITaskbarWindowPreview> preview;
nsresult rv = GetTaskbarWindowPreview(shell, getter_AddRefs(preview));
NS_ENSURE_SUCCESS(rv, rv);
return CallQueryInterface(preview, _retval);
}
NS_IMETHODIMP
WinTaskbar::CreateJumpListBuilder(nsIJumpListBuilder** aJumpListBuilder) {
nsresult rv;
if (JumpListBuilder::sBuildingList) return NS_ERROR_ALREADY_INITIALIZED;
nsCOMPtr<nsIJumpListBuilder> builder =
do_CreateInstance(kJumpListBuilderCID, &rv);
if (NS_FAILED(rv)) return NS_ERROR_UNEXPECTED;
NS_IF_ADDREF(*aJumpListBuilder = builder);
return NS_OK;
}
NS_IMETHODIMP
WinTaskbar::SetGroupIdForWindow(mozIDOMWindow* aParent,
const nsAString& aIdentifier) {
return SetWindowAppUserModelProp(aParent, nsString(aIdentifier));
}
NS_IMETHODIMP
WinTaskbar::PrepareFullScreen(mozIDOMWindow* aWindow, bool aFullScreen) {
NS_ENSURE_ARG_POINTER(aWindow);
HWND toplevelHWND = ::GetAncestor(GetHWNDFromDOMWindow(aWindow), GA_ROOT);
if (!toplevelHWND) return NS_ERROR_INVALID_ARG;
return PrepareFullScreenHWND(toplevelHWND, aFullScreen);
}
NS_IMETHODIMP
WinTaskbar::PrepareFullScreenHWND(void* aHWND, bool aFullScreen) {
if (!Initialize()) return NS_ERROR_NOT_AVAILABLE;
NS_ENSURE_ARG_POINTER(aHWND);
if (!::IsWindow((HWND)aHWND)) return NS_ERROR_INVALID_ARG;
HRESULT hr = mTaskbar->MarkFullscreenWindow((HWND)aHWND, aFullScreen);
if (FAILED(hr)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
} // namespace widget
} // namespace mozilla
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