The Tor Browser / file comparison
comparison: layout/inspector/inFlasher.cpp
layout/inspector/inFlasher.cpp
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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deleted
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replaced
| -1:000000000000 | 0:57ec2a0fcdb5 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "inFlasher.h" | |
| 6 #include "inLayoutUtils.h" | |
| 7 | |
| 8 #include "nsIDOMElement.h" | |
| 9 #include "nsIServiceManager.h" | |
| 10 #include "nsIPresShell.h" | |
| 11 #include "nsIFrame.h" | |
| 12 #include "nsIWidget.h" | |
| 13 #include "nsReadableUtils.h" | |
| 14 #include "nsRenderingContext.h" | |
| 15 #include "nsIDOMWindow.h" | |
| 16 #include "nsIContent.h" | |
| 17 | |
| 18 #include "prprf.h" | |
| 19 | |
| 20 /////////////////////////////////////////////////////////////////////////////// | |
| 21 | |
| 22 inFlasher::inFlasher() : | |
| 23 mColor(NS_RGB(0,0,0)), | |
| 24 mThickness(0), | |
| 25 mInvert(false) | |
| 26 { | |
| 27 } | |
| 28 | |
| 29 inFlasher::~inFlasher() | |
| 30 { | |
| 31 } | |
| 32 | |
| 33 NS_IMPL_ISUPPORTS(inFlasher, inIFlasher) | |
| 34 | |
| 35 /////////////////////////////////////////////////////////////////////////////// | |
| 36 // inIFlasher | |
| 37 | |
| 38 NS_IMETHODIMP | |
| 39 inFlasher::GetColor(nsAString& aColor) | |
| 40 { | |
| 41 // Copied from nsGenericHTMLElement::ColorToString() | |
| 42 char buf[10]; | |
| 43 PR_snprintf(buf, sizeof(buf), "#%02x%02x%02x", | |
| 44 NS_GET_R(mColor), NS_GET_G(mColor), NS_GET_B(mColor)); | |
| 45 CopyASCIItoUTF16(buf, aColor); | |
| 46 | |
| 47 return NS_OK; | |
| 48 } | |
| 49 | |
| 50 NS_IMETHODIMP | |
| 51 inFlasher::SetColor(const nsAString& aColor) | |
| 52 { | |
| 53 NS_ENSURE_FALSE(aColor.IsEmpty(), NS_ERROR_ILLEGAL_VALUE); | |
| 54 | |
| 55 nsAutoString colorStr; | |
| 56 colorStr.Assign(aColor); | |
| 57 | |
| 58 if (colorStr.CharAt(0) != '#') { | |
| 59 if (NS_ColorNameToRGB(colorStr, &mColor)) { | |
| 60 return NS_OK; | |
| 61 } | |
| 62 } | |
| 63 else { | |
| 64 colorStr.Cut(0, 1); | |
| 65 if (NS_HexToRGB(colorStr, &mColor)) { | |
| 66 return NS_OK; | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 return NS_ERROR_ILLEGAL_VALUE; | |
| 71 } | |
| 72 | |
| 73 NS_IMETHODIMP | |
| 74 inFlasher::GetThickness(uint16_t *aThickness) | |
| 75 { | |
| 76 NS_PRECONDITION(aThickness, "Null pointer"); | |
| 77 *aThickness = mThickness; | |
| 78 return NS_OK; | |
| 79 } | |
| 80 | |
| 81 NS_IMETHODIMP | |
| 82 inFlasher::SetThickness(uint16_t aThickness) | |
| 83 { | |
| 84 mThickness = aThickness; | |
| 85 return NS_OK; | |
| 86 } | |
| 87 | |
| 88 NS_IMETHODIMP | |
| 89 inFlasher::GetInvert(bool *aInvert) | |
| 90 { | |
| 91 NS_PRECONDITION(aInvert, "Null pointer"); | |
| 92 *aInvert = mInvert; | |
| 93 return NS_OK; | |
| 94 } | |
| 95 | |
| 96 NS_IMETHODIMP | |
| 97 inFlasher::SetInvert(bool aInvert) | |
| 98 { | |
| 99 mInvert = aInvert; | |
| 100 return NS_OK; | |
| 101 } | |
| 102 | |
| 103 NS_IMETHODIMP | |
| 104 inFlasher::RepaintElement(nsIDOMElement* aElement) | |
| 105 { | |
| 106 NS_ENSURE_ARG_POINTER(aElement); | |
| 107 nsIFrame* frame = inLayoutUtils::GetFrameFor(aElement); | |
| 108 if (!frame) return NS_OK; | |
| 109 | |
| 110 frame->InvalidateFrame(); | |
| 111 | |
| 112 return NS_OK; | |
| 113 } | |
| 114 | |
| 115 NS_IMETHODIMP | |
| 116 inFlasher::DrawElementOutline(nsIDOMElement* aElement) | |
| 117 { | |
| 118 NS_ENSURE_ARG_POINTER(aElement); | |
| 119 nsCOMPtr<nsIDOMWindow> window = inLayoutUtils::GetWindowFor(aElement); | |
| 120 if (!window) return NS_OK; | |
| 121 nsCOMPtr<nsIPresShell> presShell = inLayoutUtils::GetPresShellFor(window); | |
| 122 if (!presShell) return NS_OK; | |
| 123 | |
| 124 nsIFrame* frame = inLayoutUtils::GetFrameFor(aElement); | |
| 125 | |
| 126 bool isFirstFrame = true; | |
| 127 | |
| 128 while (frame) { | |
| 129 nsPoint offset; | |
| 130 nsIWidget* widget = frame->GetNearestWidget(offset); | |
| 131 if (widget) { | |
| 132 nsRefPtr<nsRenderingContext> rcontext = new nsRenderingContext(); | |
| 133 rcontext->Init(frame->PresContext()->DeviceContext(), | |
| 134 widget->GetThebesSurface()); | |
| 135 | |
| 136 nsRect rect(offset, frame->GetSize()); | |
| 137 if (mInvert) { | |
| 138 rcontext->InvertRect(rect); | |
| 139 } | |
| 140 | |
| 141 bool isLastFrame = frame->GetNextContinuation() == nullptr; | |
| 142 DrawOutline(rect.x, rect.y, rect.width, rect.height, rcontext, | |
| 143 isFirstFrame, isLastFrame); | |
| 144 isFirstFrame = false; | |
| 145 } | |
| 146 frame = frame->GetNextContinuation(); | |
| 147 } | |
| 148 | |
| 149 return NS_OK; | |
| 150 } | |
| 151 | |
| 152 NS_IMETHODIMP | |
| 153 inFlasher::ScrollElementIntoView(nsIDOMElement *aElement) | |
| 154 { | |
| 155 NS_ENSURE_ARG_POINTER(aElement); | |
| 156 nsCOMPtr<nsIDOMWindow> window = inLayoutUtils::GetWindowFor(aElement); | |
| 157 if (!window) { | |
| 158 return NS_OK; | |
| 159 } | |
| 160 | |
| 161 nsCOMPtr<nsIPresShell> presShell = inLayoutUtils::GetPresShellFor(window); | |
| 162 if (!presShell) { | |
| 163 return NS_OK; | |
| 164 } | |
| 165 | |
| 166 nsCOMPtr<nsIContent> content = do_QueryInterface(aElement); | |
| 167 presShell->ScrollContentIntoView(content, | |
| 168 nsIPresShell::ScrollAxis(), | |
| 169 nsIPresShell::ScrollAxis(), | |
| 170 nsIPresShell::SCROLL_OVERFLOW_HIDDEN); | |
| 171 | |
| 172 return NS_OK; | |
| 173 } | |
| 174 | |
| 175 /////////////////////////////////////////////////////////////////////////////// | |
| 176 // inFlasher | |
| 177 | |
| 178 void | |
| 179 inFlasher::DrawOutline(nscoord aX, nscoord aY, nscoord aWidth, nscoord aHeight, | |
| 180 nsRenderingContext* aRenderContext, | |
| 181 bool aDrawBegin, bool aDrawEnd) | |
| 182 { | |
| 183 aRenderContext->SetColor(mColor); | |
| 184 | |
| 185 DrawLine(aX, aY, aWidth, DIR_HORIZONTAL, BOUND_OUTER, aRenderContext); | |
| 186 if (aDrawBegin) { | |
| 187 DrawLine(aX, aY, aHeight, DIR_VERTICAL, BOUND_OUTER, aRenderContext); | |
| 188 } | |
| 189 DrawLine(aX, aY+aHeight, aWidth, DIR_HORIZONTAL, BOUND_INNER, aRenderContext); | |
| 190 if (aDrawEnd) { | |
| 191 DrawLine(aX+aWidth, aY, aHeight, DIR_VERTICAL, BOUND_INNER, aRenderContext); | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 void | |
| 196 inFlasher::DrawLine(nscoord aX, nscoord aY, nscoord aLength, | |
| 197 bool aDir, bool aBounds, | |
| 198 nsRenderingContext* aRenderContext) | |
| 199 { | |
| 200 nscoord thickTwips = nsPresContext::CSSPixelsToAppUnits(mThickness); | |
| 201 if (aDir) { // horizontal | |
| 202 aRenderContext->FillRect(aX, aY+(aBounds?0:-thickTwips), aLength, thickTwips); | |
| 203 } else { // vertical | |
| 204 aRenderContext->FillRect(aX+(aBounds?0:-thickTwips), aY, thickTwips, aLength); | |
| 205 } | |
| 206 } |
