Moves common view_manager related aura files to mojo/aura

mojo/aura/window_tree_host_mojo.cc

Index: mojo/aura/window_tree_host_mojo.cc
diff --git a/mojo/aura/window_tree_host_mojo.cc b/mojo/aura/window_tree_host_mojo.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9a51f2eb456233d5bcab6a991c78eadf2410a926
--- /dev/null
+++ b/mojo/aura/window_tree_host_mojo.cc
@@ -0,0 +1,161 @@
+// Copyright 2014 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 "mojo/aura/window_tree_host_mojo.h"
+
+#include <vector>
+
+#include "mojo/aura/window_tree_host_mojo_delegate.h"
+#include "ui/aura/env.h"
+#include "ui/aura/window.h"
+#include "ui/aura/window_event_dispatcher.h"
+#include "ui/events/event.h"
+#include "ui/events/event_constants.h"
+
+namespace mojo {
+namespace {
+
+const char kTreeHostsKey[] = "tree_hosts";
+
+typedef std::vector<WindowTreeHostMojo*> Managers;
+
+class TreeHosts : public base::SupportsUserData::Data {
+ public:
+  TreeHosts() {}
+  virtual ~TreeHosts() {}
+
+  static TreeHosts* Get() {
+    TreeHosts* hosts = static_cast<TreeHosts*>(
+        aura::Env::GetInstance()->GetUserData(kTreeHostsKey));
+    if (!hosts) {
+      hosts = new TreeHosts;
+      aura::Env::GetInstance()->SetUserData(kTreeHostsKey, hosts);
+    }
+    return hosts;
+  }
+
+  void Add(WindowTreeHostMojo* manager) {
+    managers_.push_back(manager);
+  }
+
+  void Remove(WindowTreeHostMojo* manager) {
+    Managers::iterator i = std::find(managers_.begin(), managers_.end(),
+                                     manager);
+    DCHECK(i != managers_.end());
+    managers_.erase(i);
+  }
+
+  const std::vector<WindowTreeHostMojo*> managers() const {
+    return managers_;
+  }
+
+ private:
+  Managers managers_;
+
+  DISALLOW_COPY_AND_ASSIGN(TreeHosts);
+};
+
+}  // namespace
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowTreeHostMojo, public:
+
+WindowTreeHostMojo::WindowTreeHostMojo(const gfx::Rect& bounds,
+                                       WindowTreeHostMojoDelegate* delegate)
+    : bounds_(bounds),
+      delegate_(delegate) {
+  CreateCompositor(GetAcceleratedWidget());
+
+  TreeHosts::Get()->Add(this);
+}
+
+WindowTreeHostMojo::~WindowTreeHostMojo() {
+  TreeHosts::Get()->Remove(this);
+  DestroyCompositor();
+  DestroyDispatcher();
+}
+
+// static
+WindowTreeHostMojo* WindowTreeHostMojo::ForCompositor(
+    ui::Compositor* compositor) {
+  const Managers& managers = TreeHosts::Get()->managers();
+  for (size_t i = 0; i < managers.size(); ++i) {
+    if (managers[i]->compositor() == compositor)
+      return managers[i];
+  }
+  return NULL;
+}
+
+void WindowTreeHostMojo::SetContents(const SkBitmap& contents) {
+  delegate_->CompositorContentsChanged(contents);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowTreeHostMojo, aura::WindowTreeHost implementation:
+
+ui::EventSource* WindowTreeHostMojo::GetEventSource() {
+  return this;
+}
+
+gfx::AcceleratedWidget WindowTreeHostMojo::GetAcceleratedWidget() {
+  NOTIMPLEMENTED() << "GetAcceleratedWidget";
+  return gfx::kNullAcceleratedWidget;
+}
+
+void WindowTreeHostMojo::Show() {
+  window()->Show();
+}
+
+void WindowTreeHostMojo::Hide() {
+}
+
+gfx::Rect WindowTreeHostMojo::GetBounds() const {
+  return bounds_;
+}
+
+void WindowTreeHostMojo::SetBounds(const gfx::Rect& bounds) {
+}
+
+gfx::Point WindowTreeHostMojo::GetLocationOnNativeScreen() const {
+  return gfx::Point(0, 0);
+}
+
+void WindowTreeHostMojo::SetCapture() {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::ReleaseCapture() {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::PostNativeEvent(
+    const base::NativeEvent& native_event) {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::OnDeviceScaleFactorChanged(
+    float device_scale_factor) {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::SetCursorNative(gfx::NativeCursor cursor) {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::MoveCursorToNative(const gfx::Point& location) {
+  NOTIMPLEMENTED();
+}
+
+void WindowTreeHostMojo::OnCursorVisibilityChangedNative(bool show) {
+  NOTIMPLEMENTED();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WindowTreeHostMojo, ui::EventSource implementation:
+
+ui::EventProcessor* WindowTreeHostMojo::GetEventProcessor() {
+  return dispatcher();
+}
+
+}  // namespace mojo