src/content/shell/browser/shell_platform_data_aura.cc

   1 // Copyright 2014 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 "content/shell/browser/shell_platform_data_aura.h"
   6
   7 #include "content/shell/browser/shell.h"
   8 #include "ui/aura/client/aura_constants.h"
   9 #include "ui/aura/client/default_capture_client.h"
  10 #include "ui/aura/env.h"
  11 #include "ui/aura/layout_manager.h"
  12 #include "ui/aura/test/test_focus_client.h"
  13 #include "ui/aura/test/test_window_tree_client.h"
  14 #include "ui/aura/window.h"
  15 #include "ui/aura/window_event_dispatcher.h"
  16 #include "ui/base/ime/input_method.h"
  17 #include "ui/base/ime/input_method_delegate.h"
  18 #include "ui/base/ime/input_method_factory.h"
  19 #include "ui/gfx/screen.h"
  20 #include "ui/wm/core/default_activation_client.h"
  21
  22 namespace content {
  23
  24 namespace {
  25
  26 class FillLayout : public aura::LayoutManager {
  27  public:
  28   explicit FillLayout(aura::Window* root)
  29       : root_(root) {
  30   }
  31
  32   virtual ~FillLayout() {}
  33
  34  private:
  35   // aura::LayoutManager:
  36   virtual void OnWindowResized() OVERRIDE {
  37   }
  38
  39   virtual void OnWindowAddedToLayout(aura::Window* child) OVERRIDE {
  40     child->SetBounds(root_->bounds());
  41   }
  42
  43   virtual void OnWillRemoveWindowFromLayout(aura::Window* child) OVERRIDE {
  44   }
  45
  46   virtual void OnWindowRemovedFromLayout(aura::Window* child) OVERRIDE {
  47   }
  48
  49   virtual void OnChildWindowVisibilityChanged(aura::Window* child,
  50                                               bool visible) OVERRIDE {
  51   }
  52
  53   virtual void SetChildBounds(aura::Window* child,
  54                               const gfx::Rect& requested_bounds) OVERRIDE {
  55     SetChildBoundsDirect(child, requested_bounds);
  56   }
  57
  58   aura::Window* root_;
  59
  60   DISALLOW_COPY_AND_ASSIGN(FillLayout);
  61 };
  62
  63 class MinimalInputEventFilter : public ui::internal::InputMethodDelegate,
  64                                 public ui::EventHandler {
  65  public:
  66   explicit MinimalInputEventFilter(aura::WindowTreeHost* host)
  67       : host_(host),
  68         input_method_(ui::CreateInputMethod(this,
  69                                             gfx::kNullAcceleratedWidget)) {
  70     input_method_->Init(true);
  71     host_->window()->AddPreTargetHandler(this);
  72     host_->window()->SetProperty(aura::client::kRootWindowInputMethodKey,
  73                                  input_method_.get());
  74   }
  75
  76   virtual ~MinimalInputEventFilter() {
  77     host_->window()->RemovePreTargetHandler(this);
  78     host_->window()->SetProperty(aura::client::kRootWindowInputMethodKey,
  79                                  static_cast<ui::InputMethod*>(NULL));
  80   }
  81
  82  private:
  83   // ui::EventHandler:
  84   virtual void OnKeyEvent(ui::KeyEvent* event) OVERRIDE {
  85     // See the comment in InputMethodEventFilter::OnKeyEvent() for details.
  86     if (event->IsTranslated()) {
  87       event->SetTranslated(false);
  88     } else {
  89       if (input_method_->DispatchKeyEvent(*event))
  90         event->StopPropagation();
  91     }
  92   }
  93
  94   // ui::internal::InputMethodDelegate:
  95   virtual bool DispatchKeyEventPostIME(const ui::KeyEvent& event) OVERRIDE {
  96     // See the comment in InputMethodEventFilter::DispatchKeyEventPostIME() for
  97     // details.
  98     ui::KeyEvent aura_event(event);
  99     aura_event.SetTranslated(true);
 100     ui::EventDispatchDetails details =
 101         host_->dispatcher()->OnEventFromSource(&aura_event);
 102     return aura_event.handled() || details.dispatcher_destroyed;
 103   }
 104
 105   aura::WindowTreeHost* host_;
 106   scoped_ptr<ui::InputMethod> input_method_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(MinimalInputEventFilter);
 109 };
 110
 111 }
 112
 113 ShellPlatformDataAura* Shell::platform_ = NULL;
 114
 115 ShellPlatformDataAura::ShellPlatformDataAura(const gfx::Size& initial_size) {
 116   CHECK(aura::Env::GetInstance());
 117   host_.reset(aura::WindowTreeHost::Create(gfx::Rect(initial_size)));
 118   host_->InitHost();
 119   host_->window()->SetLayoutManager(new FillLayout(host_->window()));
 120
 121   focus_client_.reset(new aura::test::TestFocusClient());
 122   aura::client::SetFocusClient(host_->window(), focus_client_.get());
 123
 124   new wm::DefaultActivationClient(host_->window());
 125   capture_client_.reset(
 126       new aura::client::DefaultCaptureClient(host_->window()));
 127   window_tree_client_.reset(
 128       new aura::test::TestWindowTreeClient(host_->window()));
 129   ime_filter_.reset(new MinimalInputEventFilter(host_.get()));
 130 }
 131
 132 ShellPlatformDataAura::~ShellPlatformDataAura() {
 133 }
 134
 135 void ShellPlatformDataAura::ShowWindow() {
 136   host_->Show();
 137 }
 138
 139 void ShellPlatformDataAura::ResizeWindow(const gfx::Size& size) {
 140   host_->SetBounds(gfx::Rect(size));
 141 }
 142
 143 }  // namespace content