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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "ui/views/native_theme_painter.h" | 5 #include "ui/views/native_theme_painter.h" |
| 6 | 6 |
| 7 #include "base/logging.h" | 7 #include "base/logging.h" |
| 8 #include "ui/base/animation/animation.h" | 8 #include "ui/base/animation/animation.h" |
| 9 #include "ui/gfx/canvas.h" | 9 #include "ui/gfx/canvas.h" |
| 10 #include "ui/gfx/rect.h" | 10 #include "ui/gfx/rect.h" |
| 11 #include "ui/views/native_theme_delegate.h" | 11 #include "ui/views/native_theme_delegate.h" |
| 12 | 12 |
| 13 namespace views { | 13 namespace views { |
| 14 | 14 |
| 15 NativeThemePainter::NativeThemePainter(NativeThemeDelegate* delegate) | 15 NativeThemePainter::NativeThemePainter(NativeThemeDelegate* delegate) |
| 16 : delegate_(delegate) { | 16 : delegate_(delegate) { |
| 17 DCHECK(delegate_); | 17 DCHECK(delegate_); |
| 18 } | 18 } |
| 19 | 19 |
| 20 gfx::Size NativeThemePainter::GetPreferredSize() { | 20 gfx::Size NativeThemePainter::GetPreferredSize() { |
| 21 const ui::NativeTheme* theme = ui::NativeTheme::instance(); | 21 const gfx::NativeTheme* theme = gfx::NativeTheme::instance(); |
| 22 ui::NativeTheme::ExtraParams extra; | 22 gfx::NativeTheme::ExtraParams extra; |
| 23 ui::NativeTheme::State state = delegate_->GetThemeState(&extra); | 23 gfx::NativeTheme::State state = delegate_->GetThemeState(&extra); |
| 24 return theme->GetPartSize(delegate_->GetThemePart(), state, extra); | 24 return theme->GetPartSize(delegate_->GetThemePart(), state, extra); |
| 25 } | 25 } |
| 26 | 26 |
| 27 void NativeThemePainter::Paint(gfx::Canvas* canvas, const gfx::Size& size) { | 27 void NativeThemePainter::Paint(gfx::Canvas* canvas, const gfx::Size& size) { |
| 28 const ui::NativeTheme* native_theme = ui::NativeTheme::instance(); | 28 const gfx::NativeTheme* native_theme = gfx::NativeTheme::instance(); |
| 29 ui::NativeTheme::Part part = delegate_->GetThemePart(); | 29 gfx::NativeTheme::Part part = delegate_->GetThemePart(); |
| 30 gfx::Rect rect(size); | 30 gfx::Rect rect(size); |
| 31 | 31 |
| 32 if (delegate_->GetThemeAnimation() != NULL && | 32 if (delegate_->GetThemeAnimation() != NULL && |
| 33 delegate_->GetThemeAnimation()->is_animating()) { | 33 delegate_->GetThemeAnimation()->is_animating()) { |
| 34 // Paint background state. | 34 // Paint background state. |
| 35 ui::NativeTheme::ExtraParams prev_extra; | 35 gfx::NativeTheme::ExtraParams prev_extra; |
| 36 ui::NativeTheme::State prev_state = | 36 gfx::NativeTheme::State prev_state = |
| 37 delegate_->GetBackgroundThemeState(&prev_extra); | 37 delegate_->GetBackgroundThemeState(&prev_extra); |
| 38 native_theme->Paint(canvas->sk_canvas(), part, prev_state, rect, | 38 native_theme->Paint(canvas->sk_canvas(), part, prev_state, rect, |
| 39 prev_extra); | 39 prev_extra); |
| 40 | 40 |
| 41 // Composite foreground state above it. | 41 // Composite foreground state above it. |
| 42 ui::NativeTheme::ExtraParams extra; | 42 gfx::NativeTheme::ExtraParams extra; |
| 43 ui::NativeTheme::State state = delegate_->GetForegroundThemeState(&extra); | 43 gfx::NativeTheme::State state = delegate_->GetForegroundThemeState(&extra); |
| 44 int alpha = delegate_->GetThemeAnimation()->CurrentValueBetween(0, 255); | 44 int alpha = delegate_->GetThemeAnimation()->CurrentValueBetween(0, 255); |
| 45 canvas->SaveLayerAlpha(static_cast<uint8>(alpha)); | 45 canvas->SaveLayerAlpha(static_cast<uint8>(alpha)); |
| 46 native_theme->Paint(canvas->sk_canvas(), part, state, rect, extra); | 46 native_theme->Paint(canvas->sk_canvas(), part, state, rect, extra); |
| 47 canvas->Restore(); | 47 canvas->Restore(); |
| 48 } else { | 48 } else { |
| 49 ui::NativeTheme::ExtraParams extra; | 49 gfx::NativeTheme::ExtraParams extra; |
| 50 ui::NativeTheme::State state = delegate_->GetThemeState(&extra); | 50 gfx::NativeTheme::State state = delegate_->GetThemeState(&extra); |
| 51 native_theme->Paint(canvas->sk_canvas(), part, state, rect, extra); | 51 native_theme->Paint(canvas->sk_canvas(), part, state, rect, extra); |
| 52 } | 52 } |
| 53 } | 53 } |
| 54 | 54 |
| 55 } // namespace views | 55 } // namespace views |
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