wayland patch for inspection

ui/aura/root_window_host_wayland.cc

Index: ui/aura/root_window_host_wayland.cc
diff --git a/ui/aura/root_window_host_wayland.cc b/ui/aura/root_window_host_wayland.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c27f2cd603ab5d51f890d0b244a222af4dd037ad
--- /dev/null
+++ b/ui/aura/root_window_host_wayland.cc
@@ -0,0 +1,287 @@
+// 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 "ui/aura/root_window_host_wayland.h"
+
+#include <strings.h>
+
+#include <algorithm>
+#include <limits>
+#include <string>
+
+#include "base/wayland/wayland_event.h"
+#include "ui/wayland/wayland_screen.h"
+#include "base/command_line.h"
+#include "base/message_loop.h"
+#include "base/message_pump_wayland.h"
+#include "base/stl_util.h"
+#include "base/string_number_conversions.h"
+#include "base/string_util.h"
+#include "base/stringprintf.h"
+#include "ui/aura/client/capture_client.h"
+#include "ui/aura/client/cursor_client.h"
+#include "ui/aura/client/screen_position_client.h"
+#include "ui/aura/client/user_action_client.h"
+#include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
+#include "ui/base/cursor/cursor.h"
+#include "ui/base/events/event.h"
+#include "ui/base/events/event_utils.h"
+#include "ui/base/keycodes/keyboard_codes.h"
+#include "ui/base/touch/touch_factory_x11.h"
+#include "ui/base/ui_base_switches.h"
+#include "ui/base/view_prop.h"
+#include "ui/compositor/dip_util.h"
+#include "ui/compositor/layer.h"
+#include "ui/gfx/codec/png_codec.h"
+#include "ui/gfx/screen.h"
+
+#if defined(OS_CHROMEOS)
+#include "base/chromeos/chromeos_version.h"
+#endif
+
+using std::max;
+using std::min;
+
+namespace aura {
+
+////////////////////////////////////////////////////////////////////////////////
+// RootWindowHostWayland
+
+RootWindowHostWayland::RootWindowHostWayland(const gfx::Rect& bounds)
+    : delegate_(NULL),
+      display_(ui::WaylandDisplay::GetDisplay()),
+      current_cursor_(ui::kCursorNull),
+      bounds_(bounds),
+      focus_when_shown_(false) {
+
+  window_ = new ui::WaylandWindow(NULL, display_);
+  window_->SetParentWindow(NULL);
+  window_->SetBounds(bounds_);
+
+  base::MessagePumpWayland::Current()->AddDispatcherForWindow(this, window_);
+  base::MessagePumpWayland::Current()->AddDispatcherForRootWindow(this);
+
+  Env::GetInstance()->AddObserver(this);
+}
+
+RootWindowHostWayland::~RootWindowHostWayland() {
+  Env::GetInstance()->RemoveObserver(this);
+  base::MessagePumpWayland::Current()->RemoveDispatcherForRootWindow(this);
+  base::MessagePumpWayland::Current()->RemoveDispatcherForWindow(window_);
+
+  delete window_;
+}
+
+bool RootWindowHostWayland::Dispatch(const base::NativeEvent& event) {
+  return true;
+}
+
+void RootWindowHostWayland::SetDelegate(RootWindowHostDelegate* delegate) {
+  delegate_ = delegate;
+}
+
+RootWindow* RootWindowHostWayland::GetRootWindow() {
+  return delegate_->AsRootWindow();
+}
+
+gfx::AcceleratedWidget RootWindowHostWayland::GetAcceleratedWidget() {
+  return window_;
+}
+
+void RootWindowHostWayland::Show() {
+  window_->ScheduleRedraw();
+}
+
+void RootWindowHostWayland::Hide() {
+}
+
+void RootWindowHostWayland::ToggleFullScreen() {
+  NOTIMPLEMENTED();
+}
+
+gfx::Rect RootWindowHostWayland::GetBounds() const {
+  return bounds_;
+}
+
+void RootWindowHostWayland::SetBounds(const gfx::Rect& bounds) {
+  // Even if the host window's size doesn't change, aura's root window
+  // size, which is in DIP, changes when the scale changes.
+  float current_scale = delegate_->GetDeviceScaleFactor();
+  float new_scale = gfx::Screen::GetScreenFor(delegate_->AsRootWindow())->
+      GetDisplayNearestWindow(delegate_->AsRootWindow()).device_scale_factor();
+  bool origin_changed = bounds_.origin() != bounds.origin();
+  bool size_changed = bounds_.size() != bounds.size();
+
+  // Assume that the resize will go through as requested, which should be the
+  // case if we're running without a window manager.  If there's a window
+  // manager, it can modify or ignore the request, but (per ICCCM) we'll get a
+  // (possibly synthetic) ConfigureNotify about the actual size and correct
+  // |bounds_| later.
+  bounds_ = bounds;
+  UpdateIsInternalDisplay();
+  if (origin_changed)
+    delegate_->OnHostMoved(bounds.origin());
+  if (size_changed || current_scale != new_scale) {
+    delegate_->OnHostResized(bounds.size());
+  } else {
+    delegate_->AsRootWindow()->SchedulePaintInRect(
+        delegate_->AsRootWindow()->bounds());
+  }
+
+  window_->SetBounds(bounds_);
+}
+
+gfx::Insets RootWindowHostWayland::GetInsets() const {
+  return insets_;
+}
+
+void RootWindowHostWayland::SetInsets(const gfx::Insets& insets) {
+  insets_ = insets;
+}
+
+gfx::Point RootWindowHostWayland::GetLocationOnNativeScreen() const {
+  return bounds_.origin();
+}
+
+void RootWindowHostWayland::SetCapture() {
+  // TODO(oshima): Grab x input.
+}
+
+void RootWindowHostWayland::ReleaseCapture() {
+  // TODO(oshima): Release x input.
+}
+
+void RootWindowHostWayland::SetCursor(gfx::NativeCursor cursor) {
+  if (cursor == current_cursor_)
+    return;
+  current_cursor_ = cursor;
+  SetCursorInternal(cursor);
+}
+
+bool RootWindowHostWayland::QueryMouseLocation(gfx::Point* location_return) {
+  return false;
+}
+
+bool RootWindowHostWayland::ConfineCursorToRootWindow() {
+  return true;
+}
+
+void RootWindowHostWayland::UnConfineCursor() {
+}
+
+void RootWindowHostWayland::OnCursorVisibilityChanged(bool show) {
+}
+
+void RootWindowHostWayland::MoveCursorTo(const gfx::Point& location) {
+}
+
+void RootWindowHostWayland::SetFocusWhenShown(bool focus_when_shown) {
+}
+
+bool RootWindowHostWayland::CopyAreaToSkCanvas(const gfx::Rect& source_bounds,
+                                               const gfx::Point& dest_offset,
+                                               SkCanvas* canvas) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool RootWindowHostWayland::GrabSnapshot(
+    const gfx::Rect& snapshot_bounds,
+    std::vector<unsigned char>* png_representation) {
+  return false;
+}
+
+void RootWindowHostWayland::PostNativeEvent(
+    const base::NativeEvent& native_event) {
+  DCHECK(window_);
+  DCHECK(display_);
+
+  NOTIMPLEMENTED();
+}
+
+void RootWindowHostWayland::OnDeviceScaleFactorChanged(
+    float device_scale_factor) {
+}
+
+void RootWindowHostWayland::PrepareForShutdown() {
+  base::MessagePumpWayland::Current()->RemoveDispatcherForWindow(window_);
+}
+
+void RootWindowHostWayland::OnWindowInitialized(Window* window) {
+}
+
+void RootWindowHostWayland::OnRootWindowInitialized(RootWindow* root_window) {
+  // UpdateIsInternalDisplay relies on:
+  // 1. delegate_ pointing to RootWindow - available after SetDelegate.
+  // 2. RootWindow's kDisplayIdKey property set - available by the time
+  //    RootWindow::Init is called.
+  //    (set in DisplayManager::CreateRootWindowForDisplay)
+  // Ready when NotifyRootWindowInitialized is called from RootWindow::Init.
+  if (!delegate_ || root_window != GetRootWindow())
+    return;
+  UpdateIsInternalDisplay();
+}
+
+bool RootWindowHostWayland::DispatchEventForRootWindow(
+    const base::NativeEvent& event) {
+  NOTIMPLEMENTED();
+
+  return true;
+}
+
+bool RootWindowHostWayland::IsWindowManagerPresent() {
+  return true;
+}
+
+void RootWindowHostWayland::SetCursorInternal(gfx::NativeCursor cursor) {
+}
+
+void RootWindowHostWayland::TranslateAndDispatchMouseEvent(
+    ui::MouseEvent* event) {
+  RootWindow* root_window = GetRootWindow();
+  client::ScreenPositionClient* screen_position_client =
+      GetScreenPositionClient(root_window);
+  gfx::Rect local(bounds_.size());
+
+  if (screen_position_client && !local.Contains(event->location())) {
+    gfx::Point location(event->location());
+    // In order to get the correct point in screen coordinates
+    // during passive grab, we first need to find on which host window
+    // the mouse is on, and find out the screen coordinates on that
+    // host window, then convert it back to this host window's coordinate.
+    screen_position_client->ConvertHostPointToScreen(root_window, &location);
+    screen_position_client->ConvertPointFromScreen(root_window, &location);
+    root_window->ConvertPointToHost(&location);
+    event->set_location(location);
+    event->set_root_location(location);
+  }
+  delegate_->OnHostMouseEvent(event);
+}
+
+void RootWindowHostWayland::UpdateIsInternalDisplay() {
+  RootWindow* root_window = GetRootWindow();
+  gfx::Screen* screen = gfx::Screen::GetScreenFor(root_window);
+  gfx::Display display = screen->GetDisplayNearestWindow(root_window);
+  is_internal_display_ = display.IsInternal();
+}
+
+// static
+RootWindowHost* RootWindowHost::Create(const gfx::Rect& bounds) {
+  return new RootWindowHostWayland(bounds);
+}
+
+// static
+gfx::Size RootWindowHost::GetNativeScreenSize() {
+  ui::WaylandDisplay *d = base::MessagePumpWayland::GetDefaultWaylandDisplay();
+  std::list<ui::WaylandScreen*> list = d->GetScreenList();
+
+  if(list.size() < 1)
+    return gfx::Size();
+
+  ui::WaylandScreen *screen = list.front();
+  return screen->GetAllocation().size();
+}
+
+}  // namespace aura