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_activation_client.h"
  10 #include "ui/aura/client/default_capture_client.h"
  11 #include "ui/aura/env.h"
  12 #include "ui/aura/layout_manager.h"
  13 #include "ui/aura/root_window.h"
  14 #include "ui/aura/test/test_focus_client.h"
  15 #include "ui/aura/test/test_window_tree_client.h"
  16 #include "ui/aura/window.h"
  17 #include "ui/base/ime/input_method.h"
  18 #include "ui/base/ime/input_method_delegate.h"
  19 #include "ui/base/ime/input_method_factory.h"
  20 #include "ui/gfx/screen.h"
  21
  22 namespace content {
  23
  24 namespace {
  25
  26 class FillLayout : public aura::LayoutManager {
  27  public:
  28   explicit FillLayout(aura::RootWindow* 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_->window()->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::RootWindow* 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::RootWindow* root)
  67       : root_(root),
  68         input_method_(ui::CreateInputMethod(this,
  69                                             gfx::kNullAcceleratedWidget)) {
  70     input_method_->Init(true);
  71     root_->window()->AddPreTargetHandler(this);
  72     root_->window()->SetProperty(aura::client::kRootWindowInputMethodKey,
  73                        input_method_.get());
  74   }
  75
  76   virtual ~MinimalInputEventFilter() {
  77     root_->window()->RemovePreTargetHandler(this);
  78     root_->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     const ui::EventType type = event->type();
  86     if (type == ui::ET_TRANSLATED_KEY_PRESS ||
  87         type == ui::ET_TRANSLATED_KEY_RELEASE) {
  88       // The |event| is already handled by this object, change the type of the
  89       // event to ui::ET_KEY_* and pass it to the next filter.
  90       static_cast<ui::TranslatedKeyEvent*>(event)->ConvertToKeyEvent();
  91     } else {
  92       if (input_method_->DispatchKeyEvent(*event))
  93         event->StopPropagation();
  94     }
  95   }
  96
  97   // ui::internal::InputMethodDelegate:
  98   virtual bool DispatchKeyEventPostIME(const ui::KeyEvent& event) OVERRIDE {
  99     ui::TranslatedKeyEvent aura_event(event);
 100     ui::EventDispatchDetails details = root_->OnEventFromSource(&aura_event);
 101     return aura_event.handled() || details.dispatcher_destroyed;
 102   }
 103
 104   aura::RootWindow* root_;
 105   scoped_ptr<ui::InputMethod> input_method_;
 106
 107   DISALLOW_COPY_AND_ASSIGN(MinimalInputEventFilter);
 108 };
 109
 110 }
 111
 112 ShellPlatformDataAura* Shell::platform_ = NULL;
 113
 114 ShellPlatformDataAura::ShellPlatformDataAura(const gfx::Size& initial_size) {
 115   aura::Env::CreateInstance();
 116   root_window_.reset(new aura::RootWindow(
 117       aura::RootWindow::CreateParams(gfx::Rect(initial_size))));
 118   root_window_->Init();
 119   root_window_->window()->SetLayoutManager(new FillLayout(root_window_.get()));
 120
 121   focus_client_.reset(new aura::test::TestFocusClient());
 122   aura::client::SetFocusClient(root_window_->window(), focus_client_.get());
 123
 124   activation_client_.reset(
 125       new aura::client::DefaultActivationClient(root_window_->window()));
 126   capture_client_.reset(
 127       new aura::client::DefaultCaptureClient(root_window_->window()));
 128   window_tree_client_.reset(
 129       new aura::test::TestWindowTreeClient(root_window_->window()));
 130   ime_filter_.reset(new MinimalInputEventFilter(root_window_.get()));
 131 }
 132
 133 ShellPlatformDataAura::~ShellPlatformDataAura() {
 134 }
 135
 136 void ShellPlatformDataAura::ShowWindow() {
 137   root_window_->host()->Show();
 138 }
 139
 140 void ShellPlatformDataAura::ResizeWindow(const gfx::Size& size) {
 141   root_window_->host()->SetBounds(gfx::Rect(size));
 142 }
 143
 144
 145
 146 }  // namespace content