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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "app/gfx/canvas.h" | 5 #include "app/gfx/canvas.h" |
| 6 #include "app/resource_bundle.h" | 6 #include "app/resource_bundle.h" |
| 7 #include "base/gfx/rect.h" | 7 #include "base/gfx/rect.h" |
| 8 #include "chrome/app/chrome_dll_resource.h" | 8 #include "chrome/app/chrome_dll_resource.h" |
| 9 #include "chrome/common/extensions/extension_action.h" | 9 #include "chrome/common/extensions/extension_action.h" |
| 10 #include "grit/app_resources.h" | 10 #include "grit/app_resources.h" |
| 11 #include "third_party/skia/include/core/SkBitmap.h" | 11 #include "third_party/skia/include/core/SkBitmap.h" |
| 12 #include "third_party/skia/include/core/SkTypeface.h" | 12 #include "third_party/skia/include/core/SkTypeface.h" |
| 13 #include "third_party/skia/include/effects/SkGradientShader.h" | 13 #include "third_party/skia/include/effects/SkGradientShader.h" |
| 14 | 14 |
| 15 ExtensionAction::ExtensionAction() | 15 ExtensionAction::ExtensionAction() |
| 16 : type_(PAGE_ACTION) { | 16 : type_(PAGE_ACTION) { |
| 17 } | 17 } |
| 18 | 18 |
| 19 ExtensionAction::~ExtensionAction() { | 19 ExtensionAction::~ExtensionAction() { |
| 20 } | 20 } |
| 21 | 21 |
| 22 void ExtensionActionState::PaintBadge(gfx::Canvas* canvas, | 22 void ExtensionActionState::PaintBadge(gfx::Canvas* canvas, |
| 23 const gfx::Rect& bounds) { | 23 const gfx::Rect& bounds) const { |
| 24 const std::string& text = badge_text(); | 24 const std::string& text = badge_text(); |
| 25 if (text.empty()) | 25 if (text.empty()) |
| 26 return; | 26 return; |
| 27 | 27 |
| 28 // Different platforms need slightly different constants to look good. | 28 // Different platforms need slightly different constants to look good. |
| 29 #if defined(OS_LINUX) | 29 #if defined(OS_LINUX) |
| 30 const int kTextSize = 9; | 30 const int kTextSize = 9; |
| 31 const int kBottomMargin = 4; | 31 const int kBottomMargin = 4; |
| 32 const int kPadding = 2; | 32 const int kPadding = 2; |
| 33 const int kBadgeHeight = 12; | 33 const int kBadgeHeight = 12; |
| 34 const int kMaxTextWidth = 23; | 34 const int kMaxTextWidth = 23; |
| 35 // The minimum width for center-aligning the badge. | 35 // The minimum width for center-aligning the badge. |
| 36 const int kCenterAlignThreshold = 20; | 36 const int kCenterAlignThreshold = 20; |
| 37 #else | 37 #else |
| 38 const int kTextSize = 8; | 38 const int kTextSize = 8; |
| 39 const int kBottomMargin = 5; | 39 const int kBottomMargin = 5; |
| 40 const int kPadding = 2; | 40 const int kPadding = 2; |
| 41 const int kBadgeHeight = 11; | 41 const int kBadgeHeight = 11; |
| 42 const int kMaxTextWidth = 23; | 42 const int kMaxTextWidth = 23; |
| 43 // The minimum width for center-aligning the badge. | 43 // The minimum width for center-aligning the badge. |
| 44 const int kCenterAlignThreshold = 20; | 44 const int kCenterAlignThreshold = 20; |
| 45 #endif | 45 #endif |
| 46 | 46 |
| 47 canvas->save(); | 47 canvas->save(); |
| 48 | 48 |
| 49 SkTypeface* typeface = SkTypeface::CreateFromName("Arial", SkTypeface::kBold); | 49 SkTypeface* typeface = SkTypeface::CreateFromName("Arial", SkTypeface::kBold); |
| 50 SkPaint text_paint; | 50 SkPaint text_paint; |
| 51 text_paint.setAntiAlias(true); | 51 text_paint.setAntiAlias(true); |
| 52 text_paint.setColor(SK_ColorWHITE); | 52 text_paint.setColor(badge_text_color()); |
| 53 text_paint.setFakeBoldText(true); | 53 text_paint.setFakeBoldText(true); |
| 54 text_paint.setTextAlign(SkPaint::kLeft_Align); | 54 text_paint.setTextAlign(SkPaint::kLeft_Align); |
| 55 text_paint.setTextSize(SkIntToScalar(kTextSize)); | 55 text_paint.setTextSize(SkIntToScalar(kTextSize)); |
| 56 text_paint.setTypeface(typeface); | 56 text_paint.setTypeface(typeface); |
| 57 | 57 |
| 58 // Calculate text width. We clamp it to a max size. | 58 // Calculate text width. We clamp it to a max size. |
| 59 SkScalar text_width = text_paint.measureText(text.c_str(), text.size()); | 59 SkScalar text_width = text_paint.measureText(text.c_str(), text.size()); |
| 60 text_width = SkIntToScalar( | 60 text_width = SkIntToScalar( |
| 61 std::min(kMaxTextWidth, SkScalarFloor(text_width))); | 61 std::min(kMaxTextWidth, SkScalarFloor(text_width))); |
| 62 | 62 |
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| 107 // text was too large. | 107 // text was too large. |
| 108 rect.fLeft += kPadding; | 108 rect.fLeft += kPadding; |
| 109 rect.fRight -= kPadding; | 109 rect.fRight -= kPadding; |
| 110 canvas->clipRect(rect); | 110 canvas->clipRect(rect); |
| 111 canvas->drawText(text.c_str(), text.size(), | 111 canvas->drawText(text.c_str(), text.size(), |
| 112 rect.fLeft + (rect.width() - text_width) / 2, | 112 rect.fLeft + (rect.width() - text_width) / 2, |
| 113 rect.fTop + kTextSize + 1, | 113 rect.fTop + kTextSize + 1, |
| 114 text_paint); | 114 text_paint); |
| 115 canvas->restore(); | 115 canvas->restore(); |
| 116 } | 116 } |
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