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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 "ash/drag_drop/drag_drop_tracker.h" | 5 #include "ash/drag_drop/drag_drop_tracker.h" |
| 6 | 6 |
| 7 #include "ash/aura/wm_window_aura.h" | 7 #include "ash/aura/wm_window_aura.h" |
| 8 #include "ash/common/shell_window_ids.h" | 8 #include "ash/common/shell_window_ids.h" |
| 9 #include "ash/common/wm/root_window_finder.h" | 9 #include "ash/common/wm/root_window_finder.h" |
| 10 #include "ash/shell.h" | 10 #include "ash/shell.h" |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 class CaptureWindowActivationDelegate | 23 class CaptureWindowActivationDelegate |
| 24 : public aura::client::ActivationDelegate { | 24 : public aura::client::ActivationDelegate { |
| 25 public: | 25 public: |
| 26 CaptureWindowActivationDelegate() {} | 26 CaptureWindowActivationDelegate() {} |
| 27 ~CaptureWindowActivationDelegate() override {} | 27 ~CaptureWindowActivationDelegate() override {} |
| 28 | 28 |
| 29 // aura::client::ActivationDelegate overrides: | 29 // aura::client::ActivationDelegate overrides: |
| 30 bool ShouldActivate() const override { return false; } | 30 bool ShouldActivate() const override { return false; } |
| 31 | 31 |
| 32 private: | 32 private: |
| 33 | |
| 34 DISALLOW_COPY_AND_ASSIGN(CaptureWindowActivationDelegate); | 33 DISALLOW_COPY_AND_ASSIGN(CaptureWindowActivationDelegate); |
| 35 }; | 34 }; |
| 36 | 35 |
| 37 // Creates a window for capturing drag events. | 36 // Creates a window for capturing drag events. |
| 38 aura::Window* CreateCaptureWindow(aura::Window* context_root, | 37 aura::Window* CreateCaptureWindow(aura::Window* context_root, |
| 39 aura::WindowDelegate* delegate) { | 38 aura::WindowDelegate* delegate) { |
| 40 static CaptureWindowActivationDelegate* activation_delegate_instance = NULL; | 39 static CaptureWindowActivationDelegate* activation_delegate_instance = NULL; |
| 41 if (!activation_delegate_instance) | 40 if (!activation_delegate_instance) |
| 42 activation_delegate_instance = new CaptureWindowActivationDelegate; | 41 activation_delegate_instance = new CaptureWindowActivationDelegate; |
| 43 aura::Window* window = new aura::Window(delegate); | 42 aura::Window* window = new aura::Window(delegate); |
| 44 // Set type of window as popup to prevent different window manager codes | 43 // Set type of window as popup to prevent different window manager codes |
| 45 // trying to manage this window. | 44 // trying to manage this window. |
| 46 window->SetType(ui::wm::WINDOW_TYPE_POPUP); | 45 window->SetType(ui::wm::WINDOW_TYPE_POPUP); |
| 47 window->Init(ui::LAYER_NOT_DRAWN); | 46 window->Init(ui::LAYER_NOT_DRAWN); |
| 48 aura::client::ParentWindowWithContext(window, context_root, gfx::Rect()); | 47 aura::client::ParentWindowWithContext(window, context_root, gfx::Rect()); |
| 49 aura::client::SetActivationDelegate(window, activation_delegate_instance); | 48 aura::client::SetActivationDelegate(window, activation_delegate_instance); |
| 50 window->Show(); | 49 window->Show(); |
| 51 DCHECK(window->bounds().size().IsEmpty()); | 50 DCHECK(window->bounds().size().IsEmpty()); |
| 52 return window; | 51 return window; |
| 53 } | 52 } |
| 54 | 53 |
| 55 } // namespace | 54 } // namespace |
| 56 | 55 |
| 57 DragDropTracker::DragDropTracker(aura::Window* context_root, | 56 DragDropTracker::DragDropTracker(aura::Window* context_root, |
| 58 aura::WindowDelegate* delegate) | 57 aura::WindowDelegate* delegate) |
| 59 : capture_window_(CreateCaptureWindow(context_root, delegate)) { | 58 : capture_window_(CreateCaptureWindow(context_root, delegate)) {} |
| 60 } | |
| 61 | 59 |
| 62 DragDropTracker::~DragDropTracker() { | 60 DragDropTracker::~DragDropTracker() { |
| 63 capture_window_->ReleaseCapture(); | 61 capture_window_->ReleaseCapture(); |
| 64 } | 62 } |
| 65 | 63 |
| 66 void DragDropTracker::TakeCapture() { | 64 void DragDropTracker::TakeCapture() { |
| 67 capture_window_->SetCapture(); | 65 capture_window_->SetCapture(); |
| 68 } | 66 } |
| 69 | 67 |
| 70 aura::Window* DragDropTracker::GetTarget(const ui::LocatedEvent& event) { | 68 aura::Window* DragDropTracker::GetTarget(const ui::LocatedEvent& event) { |
| 71 DCHECK(capture_window_.get()); | 69 DCHECK(capture_window_.get()); |
| 72 gfx::Point location_in_screen = event.location(); | 70 gfx::Point location_in_screen = event.location(); |
| 73 ::wm::ConvertPointToScreen(capture_window_.get(), &location_in_screen); | 71 ::wm::ConvertPointToScreen(capture_window_.get(), &location_in_screen); |
| 74 aura::Window* root_window_at_point = | 72 aura::Window* root_window_at_point = |
| 75 WmWindowAura::GetAuraWindow(wm::GetRootWindowAt(location_in_screen)); | 73 WmWindowAura::GetAuraWindow(wm::GetRootWindowAt(location_in_screen)); |
| 76 gfx::Point location_in_root = location_in_screen; | 74 gfx::Point location_in_root = location_in_screen; |
| 77 ::wm::ConvertPointFromScreen(root_window_at_point, &location_in_root); | 75 ::wm::ConvertPointFromScreen(root_window_at_point, &location_in_root); |
| 78 return root_window_at_point->GetEventHandlerForPoint(location_in_root); | 76 return root_window_at_point->GetEventHandlerForPoint(location_in_root); |
| 79 } | 77 } |
| 80 | 78 |
| 81 ui::LocatedEvent* DragDropTracker::ConvertEvent( | 79 ui::LocatedEvent* DragDropTracker::ConvertEvent(aura::Window* target, |
| 82 aura::Window* target, | 80 const ui::LocatedEvent& event) { |
| 83 const ui::LocatedEvent& event) { | |
| 84 DCHECK(capture_window_.get()); | 81 DCHECK(capture_window_.get()); |
| 85 gfx::Point target_location = event.location(); | 82 gfx::Point target_location = event.location(); |
| 86 aura::Window::ConvertPointToTarget(capture_window_.get(), target, | 83 aura::Window::ConvertPointToTarget(capture_window_.get(), target, |
| 87 &target_location); | 84 &target_location); |
| 88 gfx::Point location_in_screen = event.location(); | 85 gfx::Point location_in_screen = event.location(); |
| 89 ::wm::ConvertPointToScreen(capture_window_.get(), &location_in_screen); | 86 ::wm::ConvertPointToScreen(capture_window_.get(), &location_in_screen); |
| 90 gfx::Point target_root_location = event.root_location(); | 87 gfx::Point target_root_location = event.root_location(); |
| 91 aura::Window::ConvertPointToTarget( | 88 aura::Window::ConvertPointToTarget( |
| 92 capture_window_->GetRootWindow(), | 89 capture_window_->GetRootWindow(), |
| 93 WmWindowAura::GetAuraWindow(wm::GetRootWindowAt(location_in_screen)), | 90 WmWindowAura::GetAuraWindow(wm::GetRootWindowAt(location_in_screen)), |
| 94 &target_root_location); | 91 &target_root_location); |
| 95 return new ui::MouseEvent( | 92 return new ui::MouseEvent( |
| 96 event.type(), target_location, target_root_location, | 93 event.type(), target_location, target_root_location, |
| 97 ui::EventTimeForNow(), event.flags(), | 94 ui::EventTimeForNow(), event.flags(), |
| 98 static_cast<const ui::MouseEvent&>(event).changed_button_flags()); | 95 static_cast<const ui::MouseEvent&>(event).changed_button_flags()); |
| 99 } | 96 } |
| 100 | 97 |
| 101 } // namespace ash | 98 } // namespace ash |
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