зеркало из https://github.com/mozilla/gecko-dev.git
509 строки
13 KiB
C++
509 строки
13 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WinTaskbar.h"
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#include "TaskbarPreview.h"
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#include <nsITaskbarPreviewController.h>
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#include <nsError.h>
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#include <nsCOMPtr.h>
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#include <nsIWidget.h>
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#include <nsIBaseWindow.h>
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#include <nsIObserverService.h>
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#include <nsServiceManagerUtils.h>
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#include <nsAutoPtr.h>
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#include "nsIXULAppInfo.h"
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#include "nsIJumpListBuilder.h"
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#include "nsUXThemeData.h"
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#include "nsWindow.h"
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#include "WinUtils.h"
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#include "TaskbarTabPreview.h"
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#include "TaskbarWindowPreview.h"
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#include "JumpListBuilder.h"
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#include "nsWidgetsCID.h"
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#include "nsPIDOMWindow.h"
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#include "nsAppDirectoryServiceDefs.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/WindowsVersion.h"
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#include <io.h>
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#include <propvarutil.h>
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#include <propkey.h>
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#include <shellapi.h>
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const wchar_t kShellLibraryName[] = L"shell32.dll";
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static NS_DEFINE_CID(kJumpListBuilderCID, NS_WIN_JUMPLISTBUILDER_CID);
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namespace {
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HWND
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GetHWNDFromDocShell(nsIDocShell *aShell) {
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nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(reinterpret_cast<nsISupports*>(aShell)));
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if (!baseWindow)
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return nullptr;
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nsCOMPtr<nsIWidget> widget;
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baseWindow->GetMainWidget(getter_AddRefs(widget));
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return widget ? (HWND)widget->GetNativeData(NS_NATIVE_WINDOW) : nullptr;
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}
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HWND
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GetHWNDFromDOMWindow(nsIDOMWindow *dw) {
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nsCOMPtr<nsIWidget> widget;
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nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(dw);
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if (!window)
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return nullptr;
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return GetHWNDFromDocShell(window->GetDocShell());
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}
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nsresult
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SetWindowAppUserModelProp(nsIDOMWindow *aParent,
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const nsString & aIdentifier) {
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NS_ENSURE_ARG_POINTER(aParent);
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if (aIdentifier.IsEmpty())
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return NS_ERROR_INVALID_ARG;
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HWND toplevelHWND = ::GetAncestor(GetHWNDFromDOMWindow(aParent), GA_ROOT);
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if (!toplevelHWND)
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return NS_ERROR_INVALID_ARG;
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typedef HRESULT (WINAPI * SHGetPropertyStoreForWindowPtr)
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(HWND hwnd, REFIID riid, void** ppv);
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SHGetPropertyStoreForWindowPtr funcGetProStore = nullptr;
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HMODULE hDLL = ::LoadLibraryW(kShellLibraryName);
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funcGetProStore = (SHGetPropertyStoreForWindowPtr)
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GetProcAddress(hDLL, "SHGetPropertyStoreForWindow");
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if (!funcGetProStore) {
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FreeLibrary(hDLL);
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return NS_ERROR_NO_INTERFACE;
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}
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IPropertyStore* pPropStore;
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if (FAILED(funcGetProStore(toplevelHWND,
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IID_PPV_ARGS(&pPropStore)))) {
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FreeLibrary(hDLL);
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return NS_ERROR_INVALID_ARG;
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}
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PROPVARIANT pv;
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if (FAILED(InitPropVariantFromString(aIdentifier.get(), &pv))) {
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pPropStore->Release();
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FreeLibrary(hDLL);
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return NS_ERROR_UNEXPECTED;
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}
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nsresult rv = NS_OK;
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if (FAILED(pPropStore->SetValue(PKEY_AppUserModel_ID, pv)) ||
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FAILED(pPropStore->Commit())) {
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rv = NS_ERROR_FAILURE;
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}
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PropVariantClear(&pv);
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pPropStore->Release();
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FreeLibrary(hDLL);
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return rv;
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}
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///////////////////////////////////////////////////////////////////////////////
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// default nsITaskbarPreviewController
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class DefaultController MOZ_FINAL : public nsITaskbarPreviewController
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{
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~DefaultController() {}
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HWND mWnd;
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public:
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DefaultController(HWND hWnd)
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: mWnd(hWnd)
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{
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}
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NS_DECL_ISUPPORTS
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NS_DECL_NSITASKBARPREVIEWCONTROLLER
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};
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NS_IMETHODIMP
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DefaultController::GetWidth(uint32_t *aWidth)
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{
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RECT r;
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::GetClientRect(mWnd, &r);
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*aWidth = r.right;
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::GetHeight(uint32_t *aHeight)
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{
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RECT r;
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::GetClientRect(mWnd, &r);
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*aHeight = r.bottom;
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::GetThumbnailAspectRatio(float *aThumbnailAspectRatio) {
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uint32_t width, height;
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GetWidth(&width);
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GetHeight(&height);
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if (!height)
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height = 1;
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*aThumbnailAspectRatio = width/float(height);
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::DrawPreview(nsISupports *ctx, bool *rDrawFrame) {
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*rDrawFrame = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::DrawThumbnail(nsISupports *ctx, uint32_t width, uint32_t height, bool *rDrawFrame) {
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*rDrawFrame = false;
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::OnClose(void) {
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NS_NOTREACHED("OnClose should not be called for TaskbarWindowPreviews");
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::OnActivate(bool *rAcceptActivation) {
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*rAcceptActivation = true;
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NS_NOTREACHED("OnActivate should not be called for TaskbarWindowPreviews");
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return NS_OK;
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}
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NS_IMETHODIMP
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DefaultController::OnClick(nsITaskbarPreviewButton *button) {
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return NS_OK;
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}
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NS_IMPL_ISUPPORTS(DefaultController, nsITaskbarPreviewController)
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}
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namespace mozilla {
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namespace widget {
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///////////////////////////////////////////////////////////////////////////////
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// nsIWinTaskbar
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NS_IMPL_ISUPPORTS(WinTaskbar, nsIWinTaskbar)
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bool
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WinTaskbar::Initialize() {
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if (mTaskbar)
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return true;
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::CoInitialize(nullptr);
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HRESULT hr = ::CoCreateInstance(CLSID_TaskbarList,
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nullptr,
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CLSCTX_INPROC_SERVER,
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IID_ITaskbarList4,
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(void**)&mTaskbar);
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if (FAILED(hr))
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return false;
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hr = mTaskbar->HrInit();
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if (FAILED(hr)) {
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// This may fail with shell extensions like blackbox installed.
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NS_WARNING("Unable to initialize taskbar");
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NS_RELEASE(mTaskbar);
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return false;
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}
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return true;
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}
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WinTaskbar::WinTaskbar()
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: mTaskbar(nullptr) {
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}
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WinTaskbar::~WinTaskbar() {
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if (mTaskbar) { // match successful Initialize() call
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NS_RELEASE(mTaskbar);
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::CoUninitialize();
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}
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}
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// static
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bool
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WinTaskbar::GetAppUserModelID(nsAString & aDefaultGroupId) {
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// For win8 metro builds, we can't set this. The value is static
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// for the app.
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if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
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return false;
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}
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// If marked as such in prefs, use a hash of the profile path for the id
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// instead of the install path hash setup by the installer.
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bool useProfile =
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Preferences::GetBool("taskbar.grouping.useprofile", false);
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if (useProfile) {
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nsCOMPtr<nsIFile> profileDir;
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NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
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getter_AddRefs(profileDir));
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bool exists = false;
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if (profileDir && NS_SUCCEEDED(profileDir->Exists(&exists)) && exists) {
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nsAutoCString path;
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if (NS_SUCCEEDED(profileDir->GetNativePath(path))) {
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nsAutoString id;
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id.AppendInt(HashString(path));
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if (!id.IsEmpty()) {
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aDefaultGroupId.Assign(id);
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return true;
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}
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}
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}
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}
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// The default value is set by the installer and is stored in the registry
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// under (HKLM||HKCU)/Software/Mozilla/Firefox/TaskBarIDs. If for any reason
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// hash generation operation fails, the installer will not store a value in
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// the registry or set ids on shortcuts. A lack of an id can also occur for
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// zipped builds. We skip setting the global id in this case as well.
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nsCOMPtr<nsIXULAppInfo> appInfo =
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do_GetService("@mozilla.org/xre/app-info;1");
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if (!appInfo)
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return false;
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nsCString appName;
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if (NS_FAILED(appInfo->GetName(appName))) {
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// We just won't register then, let Windows handle it.
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return false;
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}
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nsAutoString regKey;
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regKey.AssignLiteral("Software\\Mozilla\\");
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AppendASCIItoUTF16(appName, regKey);
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regKey.AppendLiteral("\\TaskBarIDs");
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WCHAR path[MAX_PATH];
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if (GetModuleFileNameW(nullptr, path, MAX_PATH)) {
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wchar_t* slash = wcsrchr(path, '\\');
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if (!slash)
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return false;
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*slash = '\0'; // no trailing slash
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// The hash is short, but users may customize this, so use a respectable
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// string buffer.
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wchar_t buf[256];
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if (WinUtils::GetRegistryKey(HKEY_LOCAL_MACHINE,
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regKey.get(),
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path,
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buf,
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sizeof buf)) {
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aDefaultGroupId.Assign(buf);
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} else if (WinUtils::GetRegistryKey(HKEY_CURRENT_USER,
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regKey.get(),
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path,
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buf,
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sizeof buf)) {
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aDefaultGroupId.Assign(buf);
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}
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}
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return !aDefaultGroupId.IsEmpty();
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return true;
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}
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/* readonly attribute AString defaultGroupId; */
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NS_IMETHODIMP
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WinTaskbar::GetDefaultGroupId(nsAString & aDefaultGroupId) {
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if (!GetAppUserModelID(aDefaultGroupId))
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return NS_ERROR_UNEXPECTED;
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return NS_OK;
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}
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// (static) Called from AppShell
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bool
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WinTaskbar::RegisterAppUserModelID() {
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if (!IsWin7OrLater())
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return false;
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if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
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return false;
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}
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SetCurrentProcessExplicitAppUserModelIDPtr funcAppUserModelID = nullptr;
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bool retVal = false;
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nsAutoString uid;
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if (!GetAppUserModelID(uid))
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return false;
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HMODULE hDLL = ::LoadLibraryW(kShellLibraryName);
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funcAppUserModelID = (SetCurrentProcessExplicitAppUserModelIDPtr)
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GetProcAddress(hDLL, "SetCurrentProcessExplicitAppUserModelID");
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if (!funcAppUserModelID) {
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::FreeLibrary(hDLL);
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return false;
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}
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if (SUCCEEDED(funcAppUserModelID(uid.get())))
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retVal = true;
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if (hDLL)
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::FreeLibrary(hDLL);
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return retVal;
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}
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NS_IMETHODIMP
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WinTaskbar::GetAvailable(bool *aAvailable) {
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// ITaskbarList4::HrInit() may fail with shell extensions like blackbox
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// installed. Initialize early to return available=false in those cases.
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*aAvailable = IsWin7OrLater() && Initialize();
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return NS_OK;
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}
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NS_IMETHODIMP
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WinTaskbar::CreateTaskbarTabPreview(nsIDocShell *shell, nsITaskbarPreviewController *controller, nsITaskbarTabPreview **_retval) {
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if (!Initialize())
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(shell);
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NS_ENSURE_ARG_POINTER(controller);
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HWND toplevelHWND = ::GetAncestor(GetHWNDFromDocShell(shell), GA_ROOT);
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if (!toplevelHWND)
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return NS_ERROR_INVALID_ARG;
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nsRefPtr<TaskbarTabPreview> preview(new TaskbarTabPreview(mTaskbar, controller, toplevelHWND, shell));
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if (!preview)
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return NS_ERROR_OUT_OF_MEMORY;
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preview.forget(_retval);
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return NS_OK;
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}
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NS_IMETHODIMP
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WinTaskbar::GetTaskbarWindowPreview(nsIDocShell *shell, nsITaskbarWindowPreview **_retval) {
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if (!Initialize())
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(shell);
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HWND toplevelHWND = ::GetAncestor(GetHWNDFromDocShell(shell), GA_ROOT);
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if (!toplevelHWND)
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return NS_ERROR_INVALID_ARG;
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nsWindow *window = WinUtils::GetNSWindowPtr(toplevelHWND);
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if (!window)
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return NS_ERROR_FAILURE;
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nsCOMPtr<nsITaskbarWindowPreview> preview = window->GetTaskbarPreview();
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if (!preview) {
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nsRefPtr<DefaultController> defaultController = new DefaultController(toplevelHWND);
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preview = new TaskbarWindowPreview(mTaskbar, defaultController, toplevelHWND, shell);
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if (!preview)
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return NS_ERROR_OUT_OF_MEMORY;
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window->SetTaskbarPreview(preview);
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}
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preview.forget(_retval);
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return NS_OK;
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}
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NS_IMETHODIMP
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WinTaskbar::GetTaskbarProgress(nsIDocShell *shell, nsITaskbarProgress **_retval) {
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nsCOMPtr<nsITaskbarWindowPreview> preview;
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nsresult rv = GetTaskbarWindowPreview(shell, getter_AddRefs(preview));
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NS_ENSURE_SUCCESS(rv, rv);
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return CallQueryInterface(preview, _retval);
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}
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NS_IMETHODIMP
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WinTaskbar::GetOverlayIconController(nsIDocShell *shell,
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nsITaskbarOverlayIconController **_retval) {
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nsCOMPtr<nsITaskbarWindowPreview> preview;
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nsresult rv = GetTaskbarWindowPreview(shell, getter_AddRefs(preview));
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NS_ENSURE_SUCCESS(rv, rv);
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return CallQueryInterface(preview, _retval);
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}
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/* nsIJumpListBuilder createJumpListBuilder(); */
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NS_IMETHODIMP
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WinTaskbar::CreateJumpListBuilder(nsIJumpListBuilder * *aJumpListBuilder) {
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nsresult rv;
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if (JumpListBuilder::sBuildingList)
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return NS_ERROR_ALREADY_INITIALIZED;
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nsCOMPtr<nsIJumpListBuilder> builder =
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do_CreateInstance(kJumpListBuilderCID, &rv);
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if (NS_FAILED(rv))
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return NS_ERROR_UNEXPECTED;
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NS_IF_ADDREF(*aJumpListBuilder = builder);
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return NS_OK;
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}
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/* void setGroupIdForWindow (in nsIDOMWindow aParent, in AString aIdentifier); */
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NS_IMETHODIMP
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WinTaskbar::SetGroupIdForWindow(nsIDOMWindow *aParent,
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const nsAString & aIdentifier) {
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return SetWindowAppUserModelProp(aParent, nsString(aIdentifier));
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}
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/* void prepareFullScreen(in nsIDOMWindow aWindow, in boolean aFullScreen); */
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NS_IMETHODIMP
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WinTaskbar::PrepareFullScreen(nsIDOMWindow *aWindow, bool aFullScreen) {
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NS_ENSURE_ARG_POINTER(aWindow);
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HWND toplevelHWND = ::GetAncestor(GetHWNDFromDOMWindow(aWindow), GA_ROOT);
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if (!toplevelHWND)
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return NS_ERROR_INVALID_ARG;
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return PrepareFullScreenHWND(toplevelHWND, aFullScreen);
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}
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/* void prepareFullScreen(in voidPtr aWindow, in boolean aFullScreen); */
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NS_IMETHODIMP
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WinTaskbar::PrepareFullScreenHWND(void *aHWND, bool aFullScreen) {
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if (!Initialize())
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return NS_ERROR_NOT_AVAILABLE;
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NS_ENSURE_ARG_POINTER(aHWND);
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if (!::IsWindow((HWND)aHWND))
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return NS_ERROR_INVALID_ARG;
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HRESULT hr = mTaskbar->MarkFullscreenWindow((HWND)aHWND, aFullScreen);
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if (FAILED(hr)) {
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return NS_ERROR_UNEXPECTED;
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}
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return NS_OK;
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}
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} // namespace widget
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} // namespace mozilla
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