mirror of
https://github.com/classilla/tenfourfox.git
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327 lines
9.3 KiB
C++
327 lines
9.3 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 "mozilla/ArrayUtils.h"
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#include <nsITaskbarPreviewController.h>
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#include "TaskbarWindowPreview.h"
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#include "WindowHook.h"
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#include "nsUXThemeData.h"
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#include "TaskbarPreviewButton.h"
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#include "nsWindow.h"
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#include "nsWindowGfx.h"
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namespace mozilla {
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namespace widget {
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namespace {
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bool WindowHookProc(void *aContext, HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam, LRESULT *aResult)
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{
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TaskbarWindowPreview *preview = reinterpret_cast<TaskbarWindowPreview*>(aContext);
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*aResult = preview->WndProc(nMsg, wParam, lParam);
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return true;
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}
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}
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NS_IMPL_ISUPPORTS(TaskbarWindowPreview, nsITaskbarWindowPreview,
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nsITaskbarProgress, nsITaskbarOverlayIconController,
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nsISupportsWeakReference)
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/**
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* These correspond directly to the states defined in nsITaskbarProgress.idl, so
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* they should be kept in sync.
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*/
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static TBPFLAG sNativeStates[] =
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{
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TBPF_NOPROGRESS,
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TBPF_INDETERMINATE,
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TBPF_NORMAL,
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TBPF_ERROR,
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TBPF_PAUSED
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};
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TaskbarWindowPreview::TaskbarWindowPreview(ITaskbarList4 *aTaskbar, nsITaskbarPreviewController *aController, HWND aHWND, nsIDocShell *aShell)
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: TaskbarPreview(aTaskbar, aController, aHWND, aShell),
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mCustomDrawing(false),
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mHaveButtons(false),
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mState(TBPF_NOPROGRESS),
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mCurrentValue(0),
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mMaxValue(0),
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mOverlayIcon(nullptr)
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{
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// Window previews are visible by default
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(void) SetVisible(true);
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memset(mThumbButtons, 0, sizeof mThumbButtons);
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for (int32_t i = 0; i < nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS; i++) {
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mThumbButtons[i].dwMask = THB_FLAGS | THB_ICON | THB_TOOLTIP;
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mThumbButtons[i].iId = i;
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mThumbButtons[i].dwFlags = THBF_HIDDEN;
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}
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WindowHook &hook = GetWindowHook();
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if (!CanMakeTaskbarCalls())
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hook.AddMonitor(nsAppShell::GetTaskbarButtonCreatedMessage(),
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TaskbarWindowHook, this);
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}
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TaskbarWindowPreview::~TaskbarWindowPreview() {
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if (mOverlayIcon) {
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::DestroyIcon(mOverlayIcon);
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mOverlayIcon = nullptr;
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}
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if (IsWindowAvailable()) {
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DetachFromNSWindow();
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} else {
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mWnd = nullptr;
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}
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}
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nsresult
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TaskbarWindowPreview::ShowActive(bool active) {
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return FAILED(mTaskbar->ActivateTab(active ? mWnd : nullptr))
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? NS_ERROR_FAILURE
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: NS_OK;
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}
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HWND &
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TaskbarWindowPreview::PreviewWindow() {
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return mWnd;
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}
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nsresult
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TaskbarWindowPreview::GetButton(uint32_t index, nsITaskbarPreviewButton **_retVal) {
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if (index >= nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS)
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return NS_ERROR_INVALID_ARG;
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nsCOMPtr<nsITaskbarPreviewButton> button(do_QueryReferent(mWeakButtons[index]));
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if (!button) {
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// Lost reference
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button = new TaskbarPreviewButton(this, index);
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if (!button) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mWeakButtons[index] = do_GetWeakReference(button);
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}
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if (!mHaveButtons) {
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mHaveButtons = true;
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WindowHook &hook = GetWindowHook();
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(void) hook.AddHook(WM_COMMAND, WindowHookProc, this);
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if (mVisible && FAILED(mTaskbar->ThumbBarAddButtons(mWnd, nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS, mThumbButtons))) {
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return NS_ERROR_FAILURE;
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}
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}
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button.forget(_retVal);
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return NS_OK;
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}
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NS_IMETHODIMP
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TaskbarWindowPreview::SetEnableCustomDrawing(bool aEnable) {
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if (aEnable == mCustomDrawing)
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return NS_OK;
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mCustomDrawing = aEnable;
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TaskbarPreview::EnableCustomDrawing(mWnd, aEnable);
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WindowHook &hook = GetWindowHook();
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if (aEnable) {
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(void) hook.AddHook(WM_DWMSENDICONICTHUMBNAIL, WindowHookProc, this);
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(void) hook.AddHook(WM_DWMSENDICONICLIVEPREVIEWBITMAP, WindowHookProc, this);
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} else {
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(void) hook.RemoveHook(WM_DWMSENDICONICLIVEPREVIEWBITMAP, WindowHookProc, this);
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(void) hook.RemoveHook(WM_DWMSENDICONICTHUMBNAIL, WindowHookProc, this);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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TaskbarWindowPreview::GetEnableCustomDrawing(bool *aEnable) {
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*aEnable = mCustomDrawing;
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return NS_OK;
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}
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NS_IMETHODIMP
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TaskbarWindowPreview::SetProgressState(nsTaskbarProgressState aState,
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uint64_t aCurrentValue,
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uint64_t aMaxValue)
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{
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NS_ENSURE_ARG_RANGE(aState,
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nsTaskbarProgressState(0),
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nsTaskbarProgressState(ArrayLength(sNativeStates) - 1));
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TBPFLAG nativeState = sNativeStates[aState];
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if (nativeState == TBPF_NOPROGRESS || nativeState == TBPF_INDETERMINATE) {
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NS_ENSURE_TRUE(aCurrentValue == 0, NS_ERROR_INVALID_ARG);
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NS_ENSURE_TRUE(aMaxValue == 0, NS_ERROR_INVALID_ARG);
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}
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if (aCurrentValue > aMaxValue)
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return NS_ERROR_ILLEGAL_VALUE;
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mState = nativeState;
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mCurrentValue = aCurrentValue;
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mMaxValue = aMaxValue;
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// Only update if we can
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return CanMakeTaskbarCalls() ? UpdateTaskbarProgress() : NS_OK;
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}
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NS_IMETHODIMP
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TaskbarWindowPreview::SetOverlayIcon(imgIContainer* aStatusIcon,
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const nsAString& aStatusDescription) {
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nsresult rv;
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if (aStatusIcon) {
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// The image shouldn't be animated
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bool isAnimated;
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rv = aStatusIcon->GetAnimated(&isAnimated);
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NS_ENSURE_SUCCESS(rv, rv);
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NS_ENSURE_FALSE(isAnimated, NS_ERROR_INVALID_ARG);
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}
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HICON hIcon = nullptr;
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if (aStatusIcon) {
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rv = nsWindowGfx::CreateIcon(aStatusIcon, false, 0, 0,
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nsWindowGfx::GetIconMetrics(nsWindowGfx::kSmallIcon),
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&hIcon);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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if (mOverlayIcon)
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::DestroyIcon(mOverlayIcon);
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mOverlayIcon = hIcon;
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mIconDescription = aStatusDescription;
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// Only update if we can
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return CanMakeTaskbarCalls() ? UpdateOverlayIcon() : NS_OK;
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}
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nsresult
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TaskbarWindowPreview::UpdateTaskbarProperties() {
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if (mHaveButtons) {
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if (FAILED(mTaskbar->ThumbBarAddButtons(mWnd, nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS, mThumbButtons)))
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return NS_ERROR_FAILURE;
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}
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nsresult rv = UpdateTaskbarProgress();
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NS_ENSURE_SUCCESS(rv, rv);
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rv = UpdateOverlayIcon();
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NS_ENSURE_SUCCESS(rv, rv);
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return TaskbarPreview::UpdateTaskbarProperties();
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}
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nsresult
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TaskbarWindowPreview::UpdateTaskbarProgress() {
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HRESULT hr = mTaskbar->SetProgressState(mWnd, mState);
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if (SUCCEEDED(hr) && mState != TBPF_NOPROGRESS &&
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mState != TBPF_INDETERMINATE)
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hr = mTaskbar->SetProgressValue(mWnd, mCurrentValue, mMaxValue);
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return SUCCEEDED(hr) ? NS_OK : NS_ERROR_FAILURE;
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}
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nsresult
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TaskbarWindowPreview::UpdateOverlayIcon() {
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HRESULT hr = mTaskbar->SetOverlayIcon(mWnd, mOverlayIcon,
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mIconDescription.get());
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return SUCCEEDED(hr) ? NS_OK : NS_ERROR_FAILURE;
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}
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LRESULT
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TaskbarWindowPreview::WndProc(UINT nMsg, WPARAM wParam, LPARAM lParam) {
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RefPtr<TaskbarWindowPreview> kungFuDeathGrip(this);
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switch (nMsg) {
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case WM_COMMAND:
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{
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uint32_t id = LOWORD(wParam);
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uint32_t index = id;
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nsCOMPtr<nsITaskbarPreviewButton> button;
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nsresult rv = GetButton(index, getter_AddRefs(button));
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if (NS_SUCCEEDED(rv))
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mController->OnClick(button);
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}
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return 0;
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}
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return TaskbarPreview::WndProc(nMsg, wParam, lParam);
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}
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/* static */
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bool
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TaskbarWindowPreview::TaskbarWindowHook(void *aContext,
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HWND hWnd, UINT nMsg,
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WPARAM wParam, LPARAM lParam,
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LRESULT *aResult)
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{
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NS_ASSERTION(nMsg == nsAppShell::GetTaskbarButtonCreatedMessage(),
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"Window hook proc called with wrong message");
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TaskbarWindowPreview *preview =
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reinterpret_cast<TaskbarWindowPreview*>(aContext);
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// Now we can make all the calls to mTaskbar
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preview->UpdateTaskbarProperties();
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return false;
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}
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nsresult
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TaskbarWindowPreview::Enable() {
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nsresult rv = TaskbarPreview::Enable();
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NS_ENSURE_SUCCESS(rv, rv);
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return FAILED(mTaskbar->AddTab(mWnd))
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? NS_ERROR_FAILURE
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: NS_OK;
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}
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nsresult
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TaskbarWindowPreview::Disable() {
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nsresult rv = TaskbarPreview::Disable();
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NS_ENSURE_SUCCESS(rv, rv);
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return FAILED(mTaskbar->DeleteTab(mWnd))
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? NS_ERROR_FAILURE
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: NS_OK;
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}
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void
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TaskbarWindowPreview::DetachFromNSWindow() {
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// Remove the hooks we have for drawing
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SetEnableCustomDrawing(false);
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WindowHook &hook = GetWindowHook();
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(void) hook.RemoveHook(WM_COMMAND, WindowHookProc, this);
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(void) hook.RemoveMonitor(nsAppShell::GetTaskbarButtonCreatedMessage(),
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TaskbarWindowHook, this);
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TaskbarPreview::DetachFromNSWindow();
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}
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nsresult
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TaskbarWindowPreview::UpdateButtons() {
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NS_ASSERTION(mVisible, "UpdateButtons called on invisible preview");
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if (FAILED(mTaskbar->ThumbBarUpdateButtons(mWnd, nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS, mThumbButtons)))
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return NS_ERROR_FAILURE;
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return NS_OK;
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}
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nsresult
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TaskbarWindowPreview::UpdateButton(uint32_t index) {
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if (index >= nsITaskbarWindowPreview::NUM_TOOLBAR_BUTTONS)
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return NS_ERROR_INVALID_ARG;
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if (mVisible) {
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if (FAILED(mTaskbar->ThumbBarUpdateButtons(mWnd, 1, &mThumbButtons[index])))
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return NS_ERROR_FAILURE;
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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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