The Tor Browser: widget/windows/TaskbarPreviewButton.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* vim: se cin sw=2 ts=2 et : */

     2 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     3  *

     4  * This Source Code Form is subject to the terms of the Mozilla Public

     5  * License, v. 2.0. If a copy of the MPL was not distributed with this

     6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     8 #include <windows.h>

     9 #include <strsafe.h>

    11 #include "TaskbarWindowPreview.h"

    12 #include "TaskbarPreviewButton.h"

    13 #include "nsWindowGfx.h"

    14 #include <imgIContainer.h>

    16 namespace mozilla {

    17 namespace widget {

    19 NS_IMPL_ISUPPORTS(TaskbarPreviewButton, nsITaskbarPreviewButton, nsISupportsWeakReference)

    21 TaskbarPreviewButton::TaskbarPreviewButton(TaskbarWindowPreview* preview, uint32_t index)

    22   : mPreview(preview), mIndex(index)

    23 {

    24 }

    26 TaskbarPreviewButton::~TaskbarPreviewButton() {

    27   SetVisible(false);

    28 }

    30 NS_IMETHODIMP

    31 TaskbarPreviewButton::GetTooltip(nsAString &aTooltip) {

    32   aTooltip = mTooltip;

    33   return NS_OK;

    34 }

    36 NS_IMETHODIMP

    37 TaskbarPreviewButton::SetTooltip(const nsAString &aTooltip) {

    38   mTooltip = aTooltip;

    39   size_t destLength = sizeof Button().szTip / (sizeof Button().szTip[0]);

    40   wchar_t *tooltip = &(Button().szTip[0]);

    41   StringCchCopyNW(tooltip,

    42                   destLength,

    43                   mTooltip.get(),

    44                   mTooltip.Length());

    45   return Update();

    46 }

    48 NS_IMETHODIMP

    49 TaskbarPreviewButton::GetDismissOnClick(bool *dismiss) {

    50   *dismiss = (Button().dwFlags & THBF_DISMISSONCLICK) == THBF_DISMISSONCLICK;

    51   return NS_OK;

    52 }

    54 NS_IMETHODIMP

    55 TaskbarPreviewButton::SetDismissOnClick(bool dismiss) {

    56   if (dismiss)

    57     Button().dwFlags |= THBF_DISMISSONCLICK;

    58   else

    59     Button().dwFlags &= ~THBF_DISMISSONCLICK;

    60   return Update();

    61 }

    63 NS_IMETHODIMP

    64 TaskbarPreviewButton::GetHasBorder(bool *hasBorder) {

    65   *hasBorder = (Button().dwFlags & THBF_NOBACKGROUND) != THBF_NOBACKGROUND;

    66   return NS_OK;

    67 }

    69 NS_IMETHODIMP

    70 TaskbarPreviewButton::SetHasBorder(bool hasBorder) {

    71   if (hasBorder)

    72     Button().dwFlags &= ~THBF_NOBACKGROUND;

    73   else

    74     Button().dwFlags |= THBF_NOBACKGROUND;

    75   return Update();

    76 }

    78 NS_IMETHODIMP

    79 TaskbarPreviewButton::GetDisabled(bool *disabled) {

    80   *disabled = (Button().dwFlags & THBF_DISABLED) == THBF_DISABLED;

    81   return NS_OK;

    82 }

    84 NS_IMETHODIMP

    85 TaskbarPreviewButton::SetDisabled(bool disabled) {

    86   if (disabled)

    87     Button().dwFlags |= THBF_DISABLED;

    88   else

    89     Button().dwFlags &= ~THBF_DISABLED;

    90   return Update();

    91 }

    93 NS_IMETHODIMP

    94 TaskbarPreviewButton::GetImage(imgIContainer **img) {

    95   if (mImage)

    96     NS_ADDREF(*img = mImage);

    97   else

    98     *img = nullptr;

    99   return NS_OK;

   100 }

   102 NS_IMETHODIMP

   103 TaskbarPreviewButton::SetImage(imgIContainer *img) {

   104   if (Button().hIcon)

   105     ::DestroyIcon(Button().hIcon);

   106   if (img) {

   107     nsresult rv;

   108     rv = nsWindowGfx::CreateIcon(img, false, 0, 0,

   109                                  nsWindowGfx::GetIconMetrics(nsWindowGfx::kRegularIcon),

   110                                  &Button().hIcon);

   111     NS_ENSURE_SUCCESS(rv, rv);

   112   } else {

   113     Button().hIcon = nullptr;

   114   }

   115   return Update();

   116 }

   118 NS_IMETHODIMP

   119 TaskbarPreviewButton::GetVisible(bool *visible) {

   120   *visible = (Button().dwFlags & THBF_HIDDEN) != THBF_HIDDEN;

   121   return NS_OK;

   122 }

   124 NS_IMETHODIMP

   125 TaskbarPreviewButton::SetVisible(bool visible) {

   126   if (visible)

   127     Button().dwFlags &= ~THBF_HIDDEN;

   128   else

   129     Button().dwFlags |= THBF_HIDDEN;

   130   return Update();

   131 }

   133 THUMBBUTTON&

   134 TaskbarPreviewButton::Button() {

   135   return mPreview->mThumbButtons[mIndex];

   136 }

   138 nsresult

   139 TaskbarPreviewButton::Update() {

   140   return mPreview->UpdateButton(mIndex);

   141 }

   143 } // namespace widget

   144 } // namespace mozilla

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