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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 "mojo/services/native_viewport/platform_viewport.h" | |
| 6 | |
| 7 #include "base/command_line.h" | |
| 8 #include "base/message_loop/message_loop.h" | |
| 9 #include "mojo/converters/input_events/mojo_extended_key_event_data.h" | |
| 10 #include "ui/events/event.h" | |
| 11 #include "ui/events/event_utils.h" | |
| 12 #include "ui/events/platform/platform_event_dispatcher.h" | |
| 13 #include "ui/events/platform/platform_event_source.h" | |
| 14 #include "ui/gfx/rect.h" | |
| 15 #include "ui/platform_window/platform_window.h" | |
| 16 #include "ui/platform_window/platform_window_delegate.h" | |
| 17 #include "ui/platform_window/x11/x11_window.h" | |
| 18 | |
| 19 namespace mojo { | |
| 20 | |
| 21 class PlatformViewportX11 : public PlatformViewport, | |
| 22 public ui::PlatformWindowDelegate { | |
| 23 public: | |
| 24 explicit PlatformViewportX11(Delegate* delegate) : delegate_(delegate) { | |
| 25 } | |
| 26 | |
| 27 ~PlatformViewportX11() override { | |
| 28 // Destroy the platform-window while |this| is still alive. | |
| 29 platform_window_.reset(); | |
| 30 } | |
| 31 | |
| 32 private: | |
| 33 // Overridden from PlatformViewport: | |
| 34 void Init(const gfx::Rect& bounds) override { | |
| 35 CHECK(!event_source_); | |
| 36 CHECK(!platform_window_); | |
| 37 | |
| 38 event_source_ = ui::PlatformEventSource::CreateDefault(); | |
| 39 | |
| 40 platform_window_.reset(new ui::X11Window(this)); | |
| 41 platform_window_->SetBounds(bounds); | |
| 42 } | |
| 43 | |
| 44 void Show() override { platform_window_->Show(); } | |
| 45 | |
| 46 void Hide() override { platform_window_->Hide(); } | |
| 47 | |
| 48 void Close() override { platform_window_->Close(); } | |
| 49 | |
| 50 gfx::Size GetSize() override { return bounds_.size(); } | |
| 51 | |
| 52 void SetBounds(const gfx::Rect& bounds) override { | |
| 53 platform_window_->SetBounds(bounds); | |
| 54 } | |
| 55 | |
| 56 void SetCapture() override { platform_window_->SetCapture(); } | |
| 57 | |
| 58 void ReleaseCapture() override { platform_window_->ReleaseCapture(); } | |
| 59 | |
| 60 // ui::PlatformWindowDelegate: | |
| 61 void OnBoundsChanged(const gfx::Rect& new_bounds) override { | |
| 62 bounds_ = new_bounds; | |
| 63 delegate_->OnBoundsChanged(new_bounds); | |
| 64 } | |
| 65 | |
| 66 void OnDamageRect(const gfx::Rect& damaged_region) override {} | |
| 67 | |
| 68 void DispatchEvent(ui::Event* event) override { | |
| 69 delegate_->OnEvent(event); | |
| 70 | |
| 71 // We want to emulate the WM_CHAR generation behaviour of Windows. | |
| 72 // | |
| 73 // On Linux, we've previously inserted characters by having | |
| 74 // InputMethodAuraLinux take all key down events and send a character event | |
| 75 // to the TextInputClient. This causes a mismatch in code that has to be | |
| 76 // shared between Windows and Linux, including blink code. Now that we're | |
| 77 // trying to have one way of doing things, we need to standardize on and | |
| 78 // emulate Windows character events. | |
| 79 // | |
| 80 // This is equivalent to what we're doing in the current Linux port, but | |
| 81 // done once instead of done multiple times in different places. | |
| 82 if (event->type() == ui::ET_KEY_PRESSED) { | |
| 83 ui::KeyEvent* key_press_event = static_cast<ui::KeyEvent*>(event); | |
| 84 ui::KeyEvent char_event(key_press_event->GetCharacter(), | |
| 85 key_press_event->key_code(), | |
| 86 key_press_event->flags()); | |
| 87 | |
| 88 DCHECK_EQ(key_press_event->GetCharacter(), char_event.GetCharacter()); | |
| 89 DCHECK_EQ(key_press_event->key_code(), char_event.key_code()); | |
| 90 DCHECK_EQ(key_press_event->flags(), char_event.flags()); | |
| 91 | |
| 92 char_event.SetExtendedKeyEventData(scoped_ptr<ui::ExtendedKeyEventData>( | |
| 93 new MojoExtendedKeyEventData( | |
| 94 key_press_event->GetLocatedWindowsKeyboardCode(), | |
| 95 key_press_event->GetText(), | |
| 96 key_press_event->GetUnmodifiedText()))); | |
| 97 char_event.set_platform_keycode(key_press_event->platform_keycode()); | |
| 98 | |
| 99 delegate_->OnEvent(&char_event); | |
| 100 } | |
| 101 } | |
| 102 | |
| 103 void OnCloseRequest() override { platform_window_->Close(); } | |
| 104 | |
| 105 void OnClosed() override { delegate_->OnDestroyed(); } | |
| 106 | |
| 107 void OnWindowStateChanged(ui::PlatformWindowState state) override {} | |
| 108 | |
| 109 void OnLostCapture() override {} | |
| 110 | |
| 111 void OnAcceleratedWidgetAvailable(gfx::AcceleratedWidget widget) override { | |
| 112 delegate_->OnAcceleratedWidgetAvailable(widget); | |
| 113 } | |
| 114 | |
| 115 void OnActivationChanged(bool active) override {} | |
| 116 | |
| 117 scoped_ptr<ui::PlatformEventSource> event_source_; | |
| 118 scoped_ptr<ui::PlatformWindow> platform_window_; | |
| 119 Delegate* delegate_; | |
| 120 gfx::Rect bounds_; | |
| 121 | |
| 122 DISALLOW_COPY_AND_ASSIGN(PlatformViewportX11); | |
| 123 }; | |
| 124 | |
| 125 // static | |
| 126 scoped_ptr<PlatformViewport> PlatformViewport::Create(Delegate* delegate) { | |
| 127 return scoped_ptr<PlatformViewport>(new PlatformViewportX11(delegate)).Pass(); | |
| 128 } | |
| 129 | |
| 130 } // namespace mojo | |
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