diff options
Diffstat (limited to 'chromium/ash/touch/touch_hud_projection.cc')
| -rw-r--r-- | chromium/ash/touch/touch_hud_projection.cc | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/chromium/ash/touch/touch_hud_projection.cc b/chromium/ash/touch/touch_hud_projection.cc deleted file mode 100644 index 615a3721514..00000000000 --- a/chromium/ash/touch/touch_hud_projection.cc +++ /dev/null @@ -1,189 +0,0 @@ -// Copyright 2013 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "ash/touch/touch_hud_projection.h" - -#include "ash/root_window_controller.h" -#include "ash/shell.h" -#include "third_party/skia/include/effects/SkGradientShader.h" -#include "ui/events/event.h" -#include "ui/gfx/animation/animation_delegate.h" -#include "ui/gfx/animation/linear_animation.h" -#include "ui/gfx/canvas.h" -#include "ui/gfx/size.h" -#include "ui/views/widget/widget.h" - -namespace ash { -namespace internal { - -const int kPointRadius = 20; -const SkColor kProjectionFillColor = SkColorSetRGB(0xF5, 0xF5, 0xDC); -const SkColor kProjectionStrokeColor = SK_ColorGRAY; -const int kProjectionAlpha = 0xB0; -const int kFadeoutDurationInMs = 250; -const int kFadeoutFrameRate = 60; - -// TouchPointView draws a single touch point. This object manages its own -// lifetime and deletes itself upon fade-out completion or whenever |Remove()| -// is explicitly called. -class TouchPointView : public views::View, - public gfx::AnimationDelegate, - public views::WidgetObserver { - public: - explicit TouchPointView(views::Widget* parent_widget) - : circle_center_(kPointRadius + 1, kPointRadius + 1), - gradient_center_(SkPoint::Make(kPointRadius + 1, - kPointRadius + 1)) { - SetPaintToLayer(true); - SetFillsBoundsOpaquely(false); - - SetSize(gfx::Size(2 * kPointRadius + 2, 2 * kPointRadius + 2)); - - stroke_paint_.setStyle(SkPaint::kStroke_Style); - stroke_paint_.setColor(kProjectionStrokeColor); - - gradient_colors_[0] = kProjectionFillColor; - gradient_colors_[1] = kProjectionStrokeColor; - - gradient_pos_[0] = SkFloatToScalar(0.9f); - gradient_pos_[1] = SkFloatToScalar(1.0f); - - parent_widget->GetContentsView()->AddChildView(this); - - parent_widget->AddObserver(this); - } - - void UpdateTouch(const ui::TouchEvent& touch) { - if (touch.type() == ui::ET_TOUCH_RELEASED || - touch.type() == ui::ET_TOUCH_CANCELLED) { - fadeout_.reset(new gfx::LinearAnimation(kFadeoutDurationInMs, - kFadeoutFrameRate, - this)); - fadeout_->Start(); - } else { - SetX(parent()->GetMirroredXInView(touch.root_location().x()) - - kPointRadius - 1); - SetY(touch.root_location().y() - kPointRadius - 1); - } - } - - void Remove() { - delete this; - } - - private: - virtual ~TouchPointView() { - GetWidget()->RemoveObserver(this); - parent()->RemoveChildView(this); - } - - // Overridden from views::View. - virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE { - int alpha = kProjectionAlpha; - if (fadeout_) - alpha = static_cast<int>(fadeout_->CurrentValueBetween(alpha, 0)); - fill_paint_.setAlpha(alpha); - stroke_paint_.setAlpha(alpha); - SkShader* shader = SkGradientShader::CreateRadial( - gradient_center_, - SkIntToScalar(kPointRadius), - gradient_colors_, - gradient_pos_, - arraysize(gradient_colors_), - SkShader::kMirror_TileMode, - NULL); - fill_paint_.setShader(shader); - shader->unref(); - canvas->DrawCircle(circle_center_, SkIntToScalar(kPointRadius), - fill_paint_); - canvas->DrawCircle(circle_center_, SkIntToScalar(kPointRadius), - stroke_paint_); - } - - // Overridden from gfx::AnimationDelegate. - virtual void AnimationEnded(const gfx::Animation* animation) OVERRIDE { - DCHECK_EQ(fadeout_.get(), animation); - delete this; - } - - virtual void AnimationProgressed(const gfx::Animation* animation) OVERRIDE { - DCHECK_EQ(fadeout_.get(), animation); - SchedulePaint(); - } - - virtual void AnimationCanceled(const gfx::Animation* animation) OVERRIDE { - AnimationEnded(animation); - } - - // Overridden from views::WidgetObserver. - virtual void OnWidgetDestroying(views::Widget* widget) OVERRIDE { - if (fadeout_) - fadeout_->Stop(); - else - Remove(); - } - - const gfx::Point circle_center_; - const SkPoint gradient_center_; - - SkPaint fill_paint_; - SkPaint stroke_paint_; - SkColor gradient_colors_[2]; - SkScalar gradient_pos_[2]; - - scoped_ptr<gfx::Animation> fadeout_; - - DISALLOW_COPY_AND_ASSIGN(TouchPointView); -}; - -TouchHudProjection::TouchHudProjection(aura::Window* initial_root) - : TouchObserverHUD(initial_root) { -} - -TouchHudProjection::~TouchHudProjection() { -} - -void TouchHudProjection::Clear() { - for (std::map<int, TouchPointView*>::iterator iter = points_.begin(); - iter != points_.end(); iter++) - iter->second->Remove(); - points_.clear(); -} - -void TouchHudProjection::OnTouchEvent(ui::TouchEvent* event) { - if (event->type() == ui::ET_TOUCH_PRESSED) { - TouchPointView* point = new TouchPointView(widget()); - point->UpdateTouch(*event); - std::pair<std::map<int, TouchPointView*>::iterator, bool> result = - points_.insert(std::make_pair(event->touch_id(), point)); - // If a |TouchPointView| is already mapped to the touch id, remove it and - // replace it with the new one. - if (!result.second) { - result.first->second->Remove(); - result.first->second = point; - } - } else { - std::map<int, TouchPointView*>::iterator iter = - points_.find(event->touch_id()); - if (iter != points_.end()) { - iter->second->UpdateTouch(*event); - if (event->type() == ui::ET_TOUCH_RELEASED || - event->type() == ui::ET_TOUCH_CANCELLED) - points_.erase(iter); - } - } -} - -void TouchHudProjection::SetHudForRootWindowController( - RootWindowController* controller) { - controller->set_touch_hud_projection(this); -} - -void TouchHudProjection::UnsetHudForRootWindowController( - RootWindowController* controller) { - controller->set_touch_hud_projection(NULL); -} - -} // namespace internal -} // namespace ash |