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widget/windows/TaskbarPreviewButton.cpp@ac0c01689b40 (annotated)

widget/windows/TaskbarPreviewButton.cpp

Thu, 15 Jan 2015 15:59:08 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Thu, 15 Jan 2015 15:59:08 +0100

branch

TOR_BUG_9701

changeset 10

ac0c01689b40

permissions

-rw-r--r--

Implement a real Private Browsing Mode condition by changing the API/ABI;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

michael@0	1	/* vim: se cin sw=2 ts=2 et : */
michael@0	2	/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0	3	*
michael@0	4	* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	5	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	6	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	7
michael@0	8	#include <windows.h>
michael@0	9	#include <strsafe.h>
michael@0	10
michael@0	11	#include "TaskbarWindowPreview.h"
michael@0	12	#include "TaskbarPreviewButton.h"
michael@0	13	#include "nsWindowGfx.h"
michael@0	14	#include <imgIContainer.h>
michael@0	15
michael@0	16	namespace mozilla {
michael@0	17	namespace widget {
michael@0	18
michael@0	19	NS_IMPL_ISUPPORTS(TaskbarPreviewButton, nsITaskbarPreviewButton, nsISupportsWeakReference)
michael@0	20
michael@0	21	TaskbarPreviewButton::TaskbarPreviewButton(TaskbarWindowPreview* preview, uint32_t index)
michael@0	22	: mPreview(preview), mIndex(index)
michael@0	23	{
michael@0	24	}
michael@0	25
michael@0	26	TaskbarPreviewButton::~TaskbarPreviewButton() {
michael@0	27	SetVisible(false);
michael@0	28	}
michael@0	29
michael@0	30	NS_IMETHODIMP
michael@0	31	TaskbarPreviewButton::GetTooltip(nsAString &aTooltip) {
michael@0	32	aTooltip = mTooltip;
michael@0	33	return NS_OK;
michael@0	34	}
michael@0	35
michael@0	36	NS_IMETHODIMP
michael@0	37	TaskbarPreviewButton::SetTooltip(const nsAString &aTooltip) {
michael@0	38	mTooltip = aTooltip;
michael@0	39	size_t destLength = sizeof Button().szTip / (sizeof Button().szTip[0]);
michael@0	40	wchar_t *tooltip = &(Button().szTip[0]);
michael@0	41	StringCchCopyNW(tooltip,
michael@0	42	destLength,
michael@0	43	mTooltip.get(),
michael@0	44	mTooltip.Length());
michael@0	45	return Update();
michael@0	46	}
michael@0	47
michael@0	48	NS_IMETHODIMP
michael@0	49	TaskbarPreviewButton::GetDismissOnClick(bool *dismiss) {
michael@0	50	*dismiss = (Button().dwFlags & THBF_DISMISSONCLICK) == THBF_DISMISSONCLICK;
michael@0	51	return NS_OK;
michael@0	52	}
michael@0	53
michael@0	54	NS_IMETHODIMP
michael@0	55	TaskbarPreviewButton::SetDismissOnClick(bool dismiss) {
michael@0	56	if (dismiss)
michael@0	57	Button().dwFlags |= THBF_DISMISSONCLICK;
michael@0	58	else
michael@0	59	Button().dwFlags &= ~THBF_DISMISSONCLICK;
michael@0	60	return Update();
michael@0	61	}
michael@0	62
michael@0	63	NS_IMETHODIMP
michael@0	64	TaskbarPreviewButton::GetHasBorder(bool *hasBorder) {
michael@0	65	*hasBorder = (Button().dwFlags & THBF_NOBACKGROUND) != THBF_NOBACKGROUND;
michael@0	66	return NS_OK;
michael@0	67	}
michael@0	68
michael@0	69	NS_IMETHODIMP
michael@0	70	TaskbarPreviewButton::SetHasBorder(bool hasBorder) {
michael@0	71	if (hasBorder)
michael@0	72	Button().dwFlags &= ~THBF_NOBACKGROUND;
michael@0	73	else
michael@0	74	Button().dwFlags |= THBF_NOBACKGROUND;
michael@0	75	return Update();
michael@0	76	}
michael@0	77
michael@0	78	NS_IMETHODIMP
michael@0	79	TaskbarPreviewButton::GetDisabled(bool *disabled) {
michael@0	80	*disabled = (Button().dwFlags & THBF_DISABLED) == THBF_DISABLED;
michael@0	81	return NS_OK;
michael@0	82	}
michael@0	83
michael@0	84	NS_IMETHODIMP
michael@0	85	TaskbarPreviewButton::SetDisabled(bool disabled) {
michael@0	86	if (disabled)
michael@0	87	Button().dwFlags |= THBF_DISABLED;
michael@0	88	else
michael@0	89	Button().dwFlags &= ~THBF_DISABLED;
michael@0	90	return Update();
michael@0	91	}
michael@0	92
michael@0	93	NS_IMETHODIMP
michael@0	94	TaskbarPreviewButton::GetImage(imgIContainer **img) {
michael@0	95	if (mImage)
michael@0	96	NS_ADDREF(*img = mImage);
michael@0	97	else
michael@0	98	*img = nullptr;
michael@0	99	return NS_OK;
michael@0	100	}
michael@0	101
michael@0	102	NS_IMETHODIMP
michael@0	103	TaskbarPreviewButton::SetImage(imgIContainer *img) {
michael@0	104	if (Button().hIcon)
michael@0	105	::DestroyIcon(Button().hIcon);
michael@0	106	if (img) {
michael@0	107	nsresult rv;
michael@0	108	rv = nsWindowGfx::CreateIcon(img, false, 0, 0,
michael@0	109	nsWindowGfx::GetIconMetrics(nsWindowGfx::kRegularIcon),
michael@0	110	&Button().hIcon);
michael@0	111	NS_ENSURE_SUCCESS(rv, rv);
michael@0	112	} else {
michael@0	113	Button().hIcon = nullptr;
michael@0	114	}
michael@0	115	return Update();
michael@0	116	}
michael@0	117
michael@0	118	NS_IMETHODIMP
michael@0	119	TaskbarPreviewButton::GetVisible(bool *visible) {
michael@0	120	*visible = (Button().dwFlags & THBF_HIDDEN) != THBF_HIDDEN;
michael@0	121	return NS_OK;
michael@0	122	}
michael@0	123
michael@0	124	NS_IMETHODIMP
michael@0	125	TaskbarPreviewButton::SetVisible(bool visible) {
michael@0	126	if (visible)
michael@0	127	Button().dwFlags &= ~THBF_HIDDEN;
michael@0	128	else
michael@0	129	Button().dwFlags |= THBF_HIDDEN;
michael@0	130	return Update();
michael@0	131	}
michael@0	132
michael@0	133	THUMBBUTTON&
michael@0	134	TaskbarPreviewButton::Button() {
michael@0	135	return mPreview->mThumbButtons[mIndex];
michael@0	136	}
michael@0	137
michael@0	138	nsresult
michael@0	139	TaskbarPreviewButton::Update() {
michael@0	140	return mPreview->UpdateButton(mIndex);
michael@0	141	}
michael@0	142
michael@0	143	} // namespace widget
michael@0	144	} // namespace mozilla
michael@0	145