wayland patch for inspection

ui/wayland/wayland_window.cc

+// 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/wayland/wayland_window.h"
+
+#include <wayland-egl.h>
+
+#include "base/logging.h"
+#include "base/wayland/wayland_event.h"
+#include "ui/wayland/wayland_display.h"
+#include "ui/wayland/wayland_delegate.h"
+#include "ui/wayland/wayland_task.h"
+#include "ui/wayland/wayland_input_device.h"
+#include "ui/gl/gl_surface.h"
+
+#include <GL/gl.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+#include <algorithm>
+
+using base::wayland::WaylandEvent;
+
+namespace ui {
+
+WaylandWindow::WaylandWindow(WaylandDelegate* delegate, WaylandDisplay* display)
+    : delegate_(delegate),
+    display_(display),
+    parent_window_(NULL),
+    user_data_(NULL),
+    relative_position_(),
+    surface_(display->CreateSurface()),
+    shell_surface_(NULL),
+    fullscreen_(false),
+    window_(NULL),
+    resize_scheduled_(false),
+    redraw_scheduled_(false),
+    transparent_(false),
+    buffer_type_(WINDOW_BUFFER_TYPE_SHM),
+    type_(TYPE_TOPLEVEL),
+    resize_edges_(0),
+    allocation_(gfx::Rect(0, 0, 0, 0)),
+    server_allocation_(gfx::Rect(0, 0, 0, 0)),
+    saved_allocation_(gfx::Rect(0, 0, 0, 0)),
+    pending_allocation_(gfx::Rect(0, 0, 0, 0))
+{
+  if(display_->shell())
+  {
+    shell_surface_ = wl_shell_get_shell_surface(display_->shell(), surface_);
+  }
+
+  wl_surface_set_user_data(surface_, this);
+
+  if(shell_surface_)
+  {
+    wl_shell_surface_set_user_data(shell_surface_, this);
+
+    static const wl_shell_surface_listener shell_surface_listener = {
+      WaylandWindow::HandlePing,
+      WaylandWindow::HandleConfigure,
+      WaylandWindow::HandlePopupDone
+    };
+
+    wl_shell_surface_add_listener(shell_surface_,
+        &shell_surface_listener, this);
+  }
+
+  allocation_.SetRect(0, 0, 0, 0);
+  saved_allocation_ = allocation_;
+  transparent_ = 1;
+
+  // TODO: make buffer type choosable for testing and etc
+  buffer_type_ = WINDOW_BUFFER_TYPE_EGL_WINDOW;
+
+  //    wl_shell_surface_set_toplevel(shell_surface_);
+  display->AddWindow(this);
+}
+
+void WaylandWindow::SetType()
+{
+  if (!shell_surface_)
+    return;
+
+  switch (type_) {
+    case TYPE_FULLSCREEN:
+      wl_shell_surface_set_fullscreen(shell_surface_,
+          WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT, 0, NULL);
+      break;
+    case TYPE_TOPLEVEL:
+      wl_shell_surface_set_toplevel(shell_surface_);
+      break;
+    case TYPE_TRANSIENT:
+      wl_shell_surface_set_transient(shell_surface_,
+          parent_window_->surface_,
+          relative_position_.x(), relative_position_.y(), 0);
+      break;
+    case TYPE_MENU:
+      break;
+    case TYPE_CUSTOM:
+      break;
+  }
+}
+
+void WaylandWindow::GetResizeDelta(int &x, int &y)
+{
+  if (resize_edges_ & WINDOW_RESIZING_LEFT)
+    x = server_allocation_.width() - allocation_.width();
+  else
+    x = 0;
+
+  if (resize_edges_ & WINDOW_RESIZING_TOP)
+    y = server_allocation_.height() - allocation_.height();
+  else
+    y = 0;
+
+  resize_edges_ = 0;
+}
+
+void WaylandWindow::AddChild(WaylandWindow* child)
+{
+  DCHECK(std::find(children_.begin(), children_.end(), child) ==
+      children_.end());
+  if (child->GetParentWindow())
+    child->GetParentWindow()->RemoveChild(child);
+  child->parent_window_ = this;
+  children_.push_back(child);
+}
+
+void WaylandWindow::RemoveChild(WaylandWindow* child)
+{
+  Windows::iterator i = std::find(children_.begin(), children_.end(), child);
+  DCHECK(i != children_.end());
+  child->parent_window_ = NULL;
+  children_.erase(i);
+}
+
+void WaylandWindow::SetParentWindow(WaylandWindow* parent_window)
+{
+  if (fullscreen_) {
+    type_ = TYPE_FULLSCREEN;
+  } else if (!parent_window) {
+    type_ = TYPE_TOPLEVEL;
+  } else {
+    type_ = TYPE_TRANSIENT;
+  }
+
+  if(parent_window)
+    parent_window->AddChild(this);
+}
+
+gfx::Rect WaylandWindow::GetBounds() const 
+{ 
+  gfx::Rect rect = resize_scheduled_ ? pending_allocation_ : allocation_;
+
+  if(type_ == TYPE_TRANSIENT && parent_window_)
+    rect.set_origin(relative_position_);
+
+  return rect;
+}
+
+void WaylandWindow::SetBounds(const gfx::Rect& new_bounds)
+{
+  if(type_ == TYPE_TRANSIENT && parent_window_ && 
+      new_bounds.origin() != relative_position_)
+  {
+    relative_position_ = new_bounds.origin();
+  }
+
+  ScheduleResize(new_bounds.width(), new_bounds.height());
+}
+
+void WaylandWindow::Show()
+{
+  NOTIMPLEMENTED();
+}
+
+void WaylandWindow::Hide()
+{
+  NOTIMPLEMENTED();
+}
+
+WaylandWindow::~WaylandWindow() {
+  if(window_)
+    wl_egl_window_destroy(window_);
+
+  if (surface_)
+  {
+    wl_surface_destroy(surface_);
+    surface_ = NULL;
+  }
+
+  display_->RemoveWindow(this);
+}
+
+bool WaylandWindow::IsVisible() const {
+  return surface_ != NULL;
+}
+
+void WaylandWindow::Flush()
+{
+  // TODO: gotta find a better way to not set the type every time it flushes
+  if (display_->shell())
+    SetType();
+}
+
+void WaylandWindow::ScheduleResize(int32_t width, int32_t height)
+{
+  if(!window_)
+    window_ = wl_egl_window_create(surface_,
+        width, height);
+
+  pending_allocation_ = gfx::Rect(0, 0, width, height);
+
+  if(IsVisible() && !resize_scheduled_ && pending_allocation_ != allocation_)
+  {     
+    WaylandResizeTask *task = new WaylandResizeTask(this);
+    display_->AddTask(task);
+
+    //          delegate_->OnBoundsChanged(allocation_, pending_allocation_);
+    resize_scheduled_ = true;
+  }
+  ScheduleRedraw();
+}
+
+void WaylandWindow::ScheduleRedraw()
+{
+  if(IsVisible() && !redraw_scheduled_)
+  {
+    WaylandRedrawTask *task = new WaylandRedrawTask(this);
+    display_->AddTask(task);
+    redraw_scheduled_ = true;
+  }
+}
+
+void WaylandWindow::SchedulePaintInRect(const gfx::Rect& rect)
+{
+  ScheduleRedraw();
+}
+
+void WaylandWindow::HandleConfigure(void *data, struct wl_shell_surface *shell_surface,
+    uint32_t edges, int32_t width, int32_t height)
+{
+  WaylandWindow *window = static_cast<WaylandWindow*>(data);
+
+  if (width <= 0 || height <= 0)
+    return;
+
+  window->resize_edges_ = edges;
+  window->ScheduleResize(width, height);
+}
+
+void WaylandWindow::HandlePopupDone(void *data, struct wl_shell_surface *shell_surface)
+{
+}
+
+void WaylandWindow::HandlePing(void *data, struct wl_shell_surface *shell_surface, uint32_t serial)
+{
+  wl_shell_surface_pong(shell_surface, serial);
+}
+
+void WaylandWindow::OnResize()
+{
+  resize_scheduled_ = false;
+  if(pending_allocation_ != allocation_)
+  {
+    allocation_ = pending_allocation_;
+    ScheduleRedraw();
+  }
+}
+
+void WaylandWindow::OnRedraw()
+{
+  Flush();
+  redraw_scheduled_ = false;
+}
+
+}  // namespace ui