Index: ash/common/system/chromeos/palette/tools/laser_pointer_mode.cc |
diff --git a/ash/common/system/chromeos/palette/tools/laser_pointer_mode.cc b/ash/common/system/chromeos/palette/tools/laser_pointer_mode.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d072b9ab32dfc7e4d33a193cf84936ec3f306efd |
--- /dev/null |
+++ b/ash/common/system/chromeos/palette/tools/laser_pointer_mode.cc |
@@ -0,0 +1,118 @@ |
+// Copyright 2016 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/common/system/chromeos/palette/tools/laser_pointer_mode.h" |
+ |
+#include "ash/common/palette_delegate.h" |
+#include "ash/common/system/chromeos/palette/palette_ids.h" |
+#include "ash/common/wm_shell.h" |
+#include "ui/wm/core/coordinate_conversion.h" |
+#include "ui/wm/core/cursor_manager.h" |
+ |
+namespace ash { |
+ |
+const int LaserPointerMode::kPointLifeDurationMs = 300; |
+const int LaserPointerMode::kAddStationaryPointsDelayMs = 10; |
+ |
+LaserPointerMode::LaserPointerMode(Delegate* delegate) |
+ : CommonPaletteTool(delegate), |
+ timer_repeat_count_(0), |
jdufault
2016/08/11 23:41:54
Initialize in header.
|
+ laser_points_( |
+ base::TimeDelta::FromMilliseconds(int{kPointLifeDurationMs})) { |
jdufault
2016/08/11 23:41:54
Remove the int{} cast.
|
+ laser_pointer_view_ = new LaserPointerView(); |
jdufault
2016/08/11 23:41:54
Use std::unique_ptr
|
+ InitializeTimer(); |
+ WmShell::Get()->AddPointerWatcher(this, true); |
+} |
+ |
+LaserPointerMode::~LaserPointerMode() { |
+ WmShell::Get()->RemovePointerWatcher(this); |
+} |
+ |
+PaletteGroup LaserPointerMode::GetGroup() const { |
+ return PaletteGroup::MODE; |
+} |
+ |
+PaletteToolId LaserPointerMode::GetToolId() const { |
+ return PaletteToolId::LASER_POINTER; |
+} |
+ |
+void LaserPointerMode::OnEnable() { |
+ CommonPaletteTool::OnEnable(); |
+ if (WmShell::Get()->palette_delegate()) |
+ WmShell::Get()->palette_delegate()->OnLaserModeEnabled(); |
+ laser_points_.AddPoint(current_mouse_location_); |
+ laser_pointer_view_->SetNewPoints(laser_points_); |
+} |
+ |
+void LaserPointerMode::OnDisable() { |
+ CommonPaletteTool::OnDisable(); |
+ if (WmShell::Get()->palette_delegate()) |
+ WmShell::Get()->palette_delegate()->OnLaserModeDisabled(); |
+ StopTimer(); |
+ // Clear the points and then notify the view that there is nothing to be |
+ // rendered. |
+ laser_points_.Clear(); |
+ laser_pointer_view_->Stop(); |
+} |
+ |
+gfx::VectorIconId LaserPointerMode::GetActiveTrayIcon() { |
+ return gfx::VectorIconId::PALETTE_TRAY_ICON_LASER_POINTER; |
+} |
+ |
+gfx::VectorIconId LaserPointerMode::GetPaletteIconId() { |
+ return gfx::VectorIconId::PALETTE_MODE_LASER_POINTER; |
+} |
+ |
+void LaserPointerMode::InitializeTimer() { |
+ timer_.reset(new base::Timer( |
jdufault
2016/08/11 23:41:54
Is this the output from git cl format?
|
+ FROM_HERE, base::TimeDelta::FromMilliseconds(kAddStationaryPointsDelayMs), |
+ base::Bind(&LaserPointerMode::AddStationaryPoint, base::Unretained(this)), |
+ false)); |
+} |
+ |
+void LaserPointerMode::StartTimer() { |
+ timer_->Reset(); |
+} |
+ |
+void LaserPointerMode::StopTimer() { |
+ points_lock_.Acquire(); |
+ timer_repeat_count_ = 0; |
+ points_lock_.Release(); |
+ timer_->Stop(); |
+} |
+ |
+void LaserPointerMode::AddStationaryPoint() { |
+ points_lock_.Acquire(); |
+ laser_points_.AddPoint(current_mouse_location_); |
+ laser_pointer_view_->SetNewPoints(laser_points_); |
+ int count = timer_repeat_count_; |
+ points_lock_.Release(); |
+ // We can stop repeating the timer once the mouse has been stationary for |
+ // longer than the life of a point. |
+ if (count * kAddStationaryPointsDelayMs < kPointLifeDurationMs) { |
+ timer_repeat_count_++; |
+ timer_->Reset(); |
+ } else { |
+ StopTimer(); |
+ } |
+} |
+ |
+void LaserPointerMode::OnPointerEventObserved( |
+ const ui::PointerEvent& event, |
+ const gfx::Point& location_in_screen, |
+ views::Widget* target) { |
+ if (event.type() == ui::ET_POINTER_MOVED) { |
jdufault
2016/08/11 23:41:54
We want to only run this logic for pen pointer eve
|
+ current_mouse_location_ = location_in_screen; |
+ if (enabled()) { |
jdufault
2016/08/11 23:41:54
Do we want to always capture the mouse location? C
|
+ points_lock_.Acquire(); |
+ // Add the new point and notify the queue. |
+ laser_points_.AddPoint(current_mouse_location_); |
+ laser_pointer_view_->SetNewPoints(laser_points_); |
+ timer_repeat_count_ = 0; |
+ points_lock_.Release(); |
+ StartTimer(); |
+ } |
+ } |
+} |
+} // namespace ash |