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      1 // Copyright (c) 2013 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 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_TEXTINPUT_TEST_HELPER_H_
      6 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_TEXTINPUT_TEST_HELPER_H_
      7 
      8 #include "chrome/test/base/in_process_browser_test.h"
      9 #include "ui/base/ime/mock_input_method.h"
     10 #include "ui/base/ime/text_input_client.h"
     11 #include "ui/gfx/range/range.h"
     12 #include "ui/gfx/rect.h"
     13 
     14 namespace content {
     15 class WebContents;
     16 }  // namespace content
     17 
     18 namespace chromeos {
     19 
     20 // The base class of text input testing.
     21 class TextInputTestBase : public InProcessBrowserTest {
     22  public:
     23   TextInputTestBase() {}
     24   virtual ~TextInputTestBase() {}
     25 
     26   virtual void SetUpInProcessBrowserTestFixture() OVERRIDE;
     27  private:
     28   DISALLOW_COPY_AND_ASSIGN(TextInputTestBase);
     29 };
     30 
     31 // Provides text input test utilities.
     32 class TextInputTestHelper : public ui::InputMethodObserver {
     33  public:
     34   TextInputTestHelper();
     35   virtual ~TextInputTestHelper();
     36 
     37   // Returns the latest status notified to ui::InputMethod
     38   base::string16 GetSurroundingText() const;
     39   gfx::Rect GetCaretRect() const;
     40   gfx::Rect GetCompositionHead() const;
     41   gfx::Range GetSelectionRange() const;
     42   bool GetFocusState() const;
     43   ui::TextInputType GetTextInputType() const;
     44 
     45   ui::TextInputClient* GetTextInputClient() const;
     46 
     47   // Waiting function for each input method events. These functions runs message
     48   // loop until the expected event comes.
     49   void WaitForTextInputStateChanged(ui::TextInputType expected_type);
     50   void WaitForFocus();
     51   void WaitForBlur();
     52   void WaitForCaretBoundsChanged(const gfx::Rect& expected_caret_rect,
     53                                  const gfx::Rect& expected_composition_head);
     54   void WaitForSurroundingTextChanged(const base::string16& expected_text,
     55                                      const gfx::Range& expected_selection);
     56 
     57   // Converts from string to gfx::Rect. The string should be "x,y,width,height".
     58   // Returns false if the conversion failed.
     59   static bool ConvertRectFromString(const std::string& str, gfx::Rect* rect);
     60 
     61   // Sends mouse clicking event to DOM element which has |id| id.
     62   static bool ClickElement(const std::string& id, content::WebContents* tab);
     63 
     64  private:
     65   enum WaitImeEventType {
     66     NO_WAIT,
     67     WAIT_ON_BLUR,
     68     WAIT_ON_CARET_BOUNDS_CHANGED,
     69     WAIT_ON_FOCUS,
     70     WAIT_ON_TEXT_INPUT_TYPE_CHANGED,
     71   };
     72 
     73   // ui::InputMethodObserver overrides.
     74   virtual void OnTextInputTypeChanged(
     75       const ui::TextInputClient* client) OVERRIDE;
     76   virtual void OnFocus() OVERRIDE;
     77   virtual void OnBlur() OVERRIDE;
     78   virtual void OnCaretBoundsChanged(const ui::TextInputClient* client) OVERRIDE;
     79   virtual void OnTextInputStateChanged(
     80       const ui::TextInputClient* client) OVERRIDE;
     81   virtual void OnInputMethodDestroyed(
     82       const ui::InputMethod* input_method) OVERRIDE;
     83 
     84   // Represents waiting type of text input event.
     85   WaitImeEventType waiting_type_;
     86 
     87   base::string16 surrounding_text_;
     88   gfx::Rect caret_rect_;
     89   gfx::Rect composition_head_;
     90   gfx::Range selection_range_;
     91   bool focus_state_;
     92   ui::TextInputType latest_text_input_type_;
     93 
     94   DISALLOW_COPY_AND_ASSIGN(TextInputTestHelper);
     95 };
     96 
     97 } // namespace chromeos
     98 
     99 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_TEXTINPUT_TEST_HELPER_H_
    100