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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "components/native_viewport/platform_viewport.h" | |
| 6 | |
| 7 #include "base/memory/scoped_ptr.h" | |
| 8 #include "mojo/converters/geometry/geometry_type_converters.h" | |
| 9 #include "mojo/converters/input_events/input_events_type_converters.h" | |
| 10 #include "ui/events/event.h" | |
| 11 #include "ui/gfx/geometry/rect.h" | |
| 12 #include "ui/platform_window/platform_window_delegate.h" | |
| 13 #include "ui/platform_window/win/win_window.h" | |
| 14 | |
| 15 namespace native_viewport { | |
| 16 namespace { | |
| 17 float ConvertUIWheelValueToMojoValue(int offset) { | |
| 18 // Mojo's event type takes a value between -1 and 1. Normalize by allowing | |
| 19 // up to 20 of ui's offset. This is a bit arbitrary. | |
| 20 return std::max( | |
| 21 -1.0f, std::min(1.0f, static_cast<float>(offset) / | |
| 22 (20 * static_cast<float>( | |
| 23 ui::MouseWheelEvent::kWheelDelta)))); | |
| 24 } | |
| 25 } // namespace | |
| 26 | |
| 27 class PlatformViewportWin : public PlatformViewport, | |
| 28 public ui::PlatformWindowDelegate { | |
| 29 public: | |
| 30 explicit PlatformViewportWin(Delegate* delegate) | |
| 31 : delegate_(delegate) { | |
| 32 } | |
| 33 | |
| 34 ~PlatformViewportWin() { | |
| 35 // Destroy the platform-window while |this| is still alive. | |
| 36 platform_window_.reset(); | |
| 37 } | |
| 38 | |
| 39 private: | |
| 40 // Overridden from PlatformViewport: | |
| 41 void Init(const gfx::Rect& bounds) override { | |
| 42 metrics_ = mojo::ViewportMetrics::New(); | |
| 43 // TODO(sky): make density real. | |
| 44 metrics_->device_pixel_ratio = 1.f; | |
| 45 metrics_->size = mojo::Size::From(bounds.size()); | |
| 46 platform_window_.reset(new ui::WinWindow(this, bounds)); | |
| 47 } | |
| 48 | |
| 49 void Show() override { | |
| 50 platform_window_->Show(); | |
| 51 } | |
| 52 | |
| 53 void Hide() override { | |
| 54 platform_window_->Hide(); | |
| 55 } | |
| 56 | |
| 57 void Close() override { | |
| 58 platform_window_->Close(); | |
| 59 } | |
| 60 | |
| 61 gfx::Size GetSize() override { return metrics_->size.To<gfx::Size>(); } | |
| 62 | |
| 63 void SetBounds(const gfx::Rect& bounds) override { | |
| 64 platform_window_->SetBounds(bounds); | |
| 65 } | |
| 66 | |
| 67 // ui::PlatformWindowDelegate: | |
| 68 void OnBoundsChanged(const gfx::Rect& new_bounds) override { | |
| 69 metrics_->size = mojo::Size::From(new_bounds.size()); | |
| 70 delegate_->OnMetricsChanged(metrics_.Clone()); | |
| 71 } | |
| 72 | |
| 73 void OnDamageRect(const gfx::Rect& damaged_region) override { | |
| 74 } | |
| 75 | |
| 76 void DispatchEvent(ui::Event* event) override { | |
| 77 // TODO(jam): this code is copied from the X11 version. | |
| 78 mojo::EventPtr mojo_event(mojo::Event::From(*event)); | |
| 79 if (event->IsMouseWheelEvent()) { | |
| 80 // Mojo's event type has a different meaning for wheel events. Convert | |
| 81 // between the two. | |
| 82 ui::MouseWheelEvent* wheel_event = | |
| 83 static_cast<ui::MouseWheelEvent*>(event); | |
| 84 DCHECK(mojo_event->pointer_data); | |
| 85 mojo_event->pointer_data->horizontal_wheel = | |
| 86 ConvertUIWheelValueToMojoValue(wheel_event->x_offset()); | |
| 87 mojo_event->pointer_data->horizontal_wheel = | |
| 88 ConvertUIWheelValueToMojoValue(wheel_event->y_offset()); | |
| 89 } | |
| 90 delegate_->OnEvent(mojo_event.Pass()); | |
| 91 | |
| 92 switch (event->type()) { | |
| 93 case ui::ET_MOUSE_PRESSED: | |
| 94 case ui::ET_TOUCH_PRESSED: | |
| 95 platform_window_->SetCapture(); | |
| 96 break; | |
| 97 case ui::ET_MOUSE_RELEASED: | |
| 98 case ui::ET_TOUCH_RELEASED: | |
| 99 platform_window_->ReleaseCapture(); | |
| 100 break; | |
| 101 default: | |
| 102 break; | |
| 103 } | |
| 104 } | |
| 105 | |
| 106 void OnCloseRequest() override { | |
| 107 platform_window_->Close(); | |
| 108 } | |
| 109 | |
| 110 void OnClosed() override { | |
| 111 delegate_->OnDestroyed(); | |
| 112 } | |
| 113 | |
| 114 void OnWindowStateChanged(ui::PlatformWindowState state) override { | |
| 115 } | |
| 116 | |
| 117 void OnLostCapture() override { | |
| 118 } | |
| 119 | |
| 120 void OnAcceleratedWidgetAvailable( | |
| 121 gfx::AcceleratedWidget widget) override { | |
| 122 delegate_->OnAcceleratedWidgetAvailable(widget, | |
| 123 metrics_->device_pixel_ratio); | |
| 124 } | |
| 125 | |
| 126 void OnActivationChanged(bool active) override {} | |
| 127 | |
| 128 scoped_ptr<ui::PlatformWindow> platform_window_; | |
| 129 Delegate* delegate_; | |
| 130 mojo::ViewportMetricsPtr metrics_; | |
| 131 | |
| 132 DISALLOW_COPY_AND_ASSIGN(PlatformViewportWin); | |
| 133 }; | |
| 134 | |
| 135 // static | |
| 136 scoped_ptr<PlatformViewport> PlatformViewport::Create(Delegate* delegate) { | |
| 137 return scoped_ptr<PlatformViewport>(new PlatformViewportWin(delegate)).Pass(); | |
| 138 } | |
| 139 | |
| 140 } // namespace native_viewport | |
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Chromium Code Reviews
Issue 1131523007:
Move NativeViewport service into view_manager. This is a file move only. Further merging will happe… (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master