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1// Copyright (c) 2012 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// Use the <code>chrome.app.window</code> API to create windows. Windows
6// have an optional frame with title bar and size controls. They are not
7// associated with any Chrome browser windows. See the <a
8// href="https://github.com/GoogleChrome/chrome-app-samples/tree/master/window-state">
9// Window State Sample</a> for a demonstration of these options.
10namespace app.window {
11
12  // Previously named Bounds.
13  dictionary ContentBounds {
14    long? left;
15    long? top;
16    long? width;
17    long? height;
18  };
19
20  dictionary BoundsSpecification {
21    // The X coordinate of the content or window.
22    long? left;
23
24    // The Y coordinate of the content or window.
25    long? top;
26
27    // The width of the content or window.
28    long? width;
29
30    // The height of the content or window.
31    long? height;
32
33    // The minimum width of the content or window.
34    long? minWidth;
35
36    // The minimum height of the content or window.
37    long? minHeight;
38
39    // The maximum width of the content or window.
40    long? maxWidth;
41
42    // The maximum height of the content or window.
43    long? maxHeight;
44  };
45
46  dictionary Bounds {
47    // This property can be used to read or write the current X coordinate of
48    // the content or window.
49    long left;
50
51    // This property can be used to read or write the current Y coordinate of
52    // the content or window.
53    long top;
54
55    // This property can be used to read or write the current width of the
56    // content or window.
57    long width;
58
59    // This property can be used to read or write the current height of the
60    // content or window.
61    long height;
62
63    // This property can be used to read or write the current minimum width of
64    // the content or window. A value of <code>null</code> indicates
65    // 'unspecified'.
66    long? minWidth;
67
68    // This property can be used to read or write the current minimum height of
69    // the content or window. A value of <code>null</code> indicates
70    // 'unspecified'.
71    long? minHeight;
72
73    // This property can be used to read or write the current maximum width of
74    // the content or window. A value of <code>null</code> indicates
75    // 'unspecified'.
76    long? maxWidth;
77
78    // This property can be used to read or write the current maximum height of
79    // the content or window. A value of <code>null</code> indicates
80    // 'unspecified'.
81    long? maxHeight;
82
83    // Set the left and top position of the content or window.
84    static void setPosition(long left, long top);
85
86    // Set the width and height of the content or window.
87    static void setSize(long width, long height);
88
89    // Set the minimum size constraints of the content or window. The minimum
90    // width or height can be set to <code>null</code> to remove the constraint.
91    // A value of <code>undefined</code> will leave a constraint unchanged.
92    static void setMinimumSize(long minWidth, long minHeight);
93
94    // Set the maximum size constraints of the content or window. The maximum
95    // width or height can be set to <code>null</code> to remove the constraint.
96    // A value of <code>undefined</code> will leave a constraint unchanged.
97    static void setMaximumSize(long maxWidth, long maxHeight);
98  };
99
100  dictionary FrameOptions {
101    // Frame type: <code>none</code> or <code>chrome</code> (defaults to
102    // <code>chrome</code>).<br>
103    // For <code>none</code>, the <code>-webkit-app-region</code> CSS property
104    // can be used to apply draggability to the app's window.
105    // <code>-webkit-app-region: drag</code> can be used to mark regions
106    // draggable. <code>no-drag</code> can be used to disable this style on
107    // nested elements.<br>
108    DOMString? type;
109    // Allows the frame color to be set. Frame coloring is only available if the
110    // frame type is <code>chrome</code>.<br>
111    // Frame coloring is new in Chrome 36.
112    DOMString? color;
113    // Allows the frame color of the window when active to be set. Frame
114    // coloring is only available if the frame type is <code>chrome</code>.<br>
115    // Frame coloring is only available if the frame type is
116    // <code>chrome</code>.<br>
117    // Frame coloring is new in Chrome 36.
118    DOMString? activeColor;
119    // Allows the frame color of the window when inactive to be set differently
120    // to the active color. Frame
121    // coloring is only available if the frame type is <code>chrome</code>.<br>
122    // <code>inactiveColor</code> must be used in conjunction with <code>
123    // color</code>.<br>
124    // Frame coloring is new in Chrome 36.
125    DOMString? inactiveColor;
126  };
127
128  // State of a window: normal, fullscreen, maximized, minimized.
129  enum State { normal, fullscreen, maximized, minimized };
130
131  // 'shell' is the default window type. 'panel' is managed by the OS
132  // (Currently experimental, Ash only).
133  [nodoc] enum WindowType { shell, panel };
134
135  [noinline_doc] dictionary CreateWindowOptions {
136    // Id to identify the window. This will be used to remember the size
137    // and position of the window and restore that geometry when a window
138    // with the same id is later opened.
139    // If a window with a given id is created while another window with the same
140    // id already exists, the currently opened window will be focused instead of
141    // creating a new window.
142    DOMString? id;
143
144    // Used to specify the initial position, initial size and constraints of the
145    // window's content (excluding window decorations).
146    // If an <code>id</code> is also specified and a window with a matching
147    // <code>id</code> has been shown before, the remembered bounds will be used
148    // instead.
149    //
150    // Note that the padding between the inner and outer bounds is determined by
151    // the OS. Therefore setting the same bounds property for both the
152    // <code>innerBounds</code> and <code>outerBounds</code> will result in an
153    // error.
154    //
155    // This property is new in Chrome 36.
156    BoundsSpecification? innerBounds;
157
158    // Used to specify the initial position, initial size and constraints of the
159    // window (including window decorations such as the title bar and frame).
160    // If an <code>id</code> is also specified and a window with a matching
161    // <code>id</code> has been shown before, the remembered bounds will be used
162    // instead.
163    //
164    // Note that the padding between the inner and outer bounds is determined by
165    // the OS. Therefore setting the same bounds property for both the
166    // <code>innerBounds</code> and <code>outerBounds</code> will result in an
167    // error.
168    //
169    // This property is new in Chrome 36.
170    BoundsSpecification? outerBounds;
171
172    // Default width of the window.
173    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? defaultWidth;
174
175    // Default height of the window.
176    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? defaultHeight;
177
178    // Default X coordinate of the window.
179    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? defaultLeft;
180
181    // Default Y coordinate of the window.
182    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? defaultTop;
183
184    // Width of the window.
185    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? width;
186
187    // Height of the window.
188    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? height;
189
190    // X coordinate of the window.
191    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? left;
192
193    // Y coordinate of the window.
194    [nodoc, deprecated="Use $(ref:BoundsSpecification)."] long? top;
195
196    // Minimum width of the window.
197    [deprecated="Use innerBounds or outerBounds."] long? minWidth;
198
199    // Minimum height of the window.
200    [deprecated="Use innerBounds or outerBounds."] long? minHeight;
201
202    // Maximum width of the window.
203    [deprecated="Use innerBounds or outerBounds."] long? maxWidth;
204
205    // Maximum height of the window.
206    [deprecated="Use innerBounds or outerBounds."] long? maxHeight;
207
208    // Type of window to create.
209    [nodoc] WindowType? type;
210
211    // Frame type: <code>none</code> or <code>chrome</code> (defaults to
212    // <code>chrome</code>). For <code>none</code>, the
213    // <code>-webkit-app-region</code> CSS property can be used to apply
214    // draggability to the app's window. <code>-webkit-app-region: drag</code>
215    // can be used to mark regions draggable. <code>no-drag</code> can be used
216    // to disable this style on nested elements.<br>
217    // Use of <code>FrameOptions</code> is new in M36.
218    (DOMString or FrameOptions)? frame;
219
220    // Size and position of the content in the window (excluding the titlebar).
221    // If an id is also specified and a window with a matching id has been shown
222    // before, the remembered bounds of the window will be used instead.
223    [deprecated="Use innerBounds or outerBounds."] ContentBounds? bounds;
224
225    // Enable window background transparency.
226    // Only supported in ash. Requires experimental API permission.
227    boolean? transparentBackground;
228
229    // The initial state of the window, allowing it to be created already
230    // fullscreen, maximized, or minimized. Defaults to 'normal'.
231    State? state;
232
233    // If true, the window will be created in a hidden state. Call show() on
234    // the window to show it once it has been created. Defaults to false.
235    boolean? hidden;
236
237    // If true, the window will be resizable by the user. Defaults to true.
238    boolean? resizable;
239
240    // By default if you specify an id for the window, the window will only be
241    // created if another window with the same id doesn't already exist. If a
242    // window with the same id already exists that window is activated instead.
243    // If you do want to create multiple windows with the same id, you can
244    // set this property to false.
245    [deprecated="Multiple windows with the same id is no longer supported."] boolean? singleton;
246
247    // If true, the window will stay above most other windows. If there are
248    // multiple windows of this kind, the currently focused window will be in
249    // the foreground. Requires the <code>"alwaysOnTopWindows"</code>
250    // permission. Defaults to false.<br>
251    // Call <code>setAlwaysOnTop()</code> on the window to change this property
252    // after creation.<br>
253    boolean? alwaysOnTop;
254
255    // If true, the window will be focused when created. Defaults to true.
256    boolean? focused;
257  };
258
259  // Called in the creating window (parent) before the load event is called in
260  // the created window (child). The parent can set fields or functions on the
261  // child usable from onload. E.g. background.js:<br>
262  // <code>function(createdWindow) { createdWindow.contentWindow.foo =
263  // function () { }; };</code>
264  // <br>window.js:<br>
265  // <code>window.onload = function () { foo(); }</code>
266  callback CreateWindowCallback =
267      void ([instanceOf=AppWindow] object createdWindow);
268
269  [noinline_doc] dictionary AppWindow {
270    // Focus the window.
271    static void focus();
272
273    // Fullscreens the window.<br>
274    // The user will be able to restore the window by pressing ESC. An
275    // application can prevent the fullscreen state to be left when ESC is
276    // pressed by requesting the <b>overrideEscFullscreen</b> permission and
277    // canceling the event by calling .preventDefault(), like this:<br>
278    // <code>window.onKeyDown = function(e) { if (e.keyCode == 27 /* ESC */) {
279    // e.preventDefault(); } };</code>
280    static void fullscreen();
281
282    // Is the window fullscreen?
283    static boolean isFullscreen();
284
285    // Minimize the window.
286    static void minimize();
287
288    // Is the window minimized?
289    static boolean isMinimized();
290
291    // Maximize the window.
292    static void maximize();
293
294    // Is the window maximized?
295    static boolean isMaximized();
296
297    // Restore the window, exiting a maximized, minimized, or fullscreen state.
298    static void restore();
299
300    // Move the window to the position (|left|, |top|).
301    static void moveTo(long left, long top);
302
303    // Resize the window to |width|x|height| pixels in size.
304    static void resizeTo(long width, long height);
305
306    // Draw attention to the window.
307    static void drawAttention();
308
309    // Clear attention to the window.
310    static void clearAttention();
311
312    // Close the window.
313    static void close();
314
315    // Show the window. Does nothing if the window is already visible.
316    // Focus the window if |focused| is set to true or omitted.
317    static void show(optional boolean focused);
318
319    // Hide the window. Does nothing if the window is already hidden.
320    static void hide();
321
322    // Get the window's inner bounds as a $(ref:ContentBounds) object.
323    [nocompile, deprecated="Use innerBounds or outerBounds."] static ContentBounds getBounds();
324
325    // Set the window's inner bounds.
326    [nocompile, deprecated="Use innerBounds or outerBounds."] static void setBounds(ContentBounds bounds);
327
328    // Set the app icon for the window (experimental).
329    // Currently this is only being implemented on Ash.
330    // TODO(stevenjb): Investigate implementing this on Windows and OSX.
331    [nodoc] static void setIcon(DOMString iconUrl);
332
333    // Set a badge icon for the window.
334    // TODO(benwells): Document this properly before going to stable.
335    [nodoc] static void setBadgeIcon(DOMString iconUrl);
336
337    // Clear the current for the window.
338    // TODO(benwells): Document this properly before going to stable.
339    [nodoc] static void clearBadge();
340
341    // Is the window always on top?
342    static boolean isAlwaysOnTop();
343
344    // Accessors for testing.
345    [nodoc] boolean hasFrameColor;
346    [nodoc] long activeFrameColor;
347    [nodoc] long inactiveFrameColor;
348    [nodoc] boolean? firstShowHasHappened;
349
350    // Set whether the window should stay above most other windows. Requires the
351    // <code>"alwaysOnTopWindows"</code> permission.
352    static void setAlwaysOnTop(boolean alwaysOnTop);
353
354    // Can the window use alpha transparency?
355    // TODO(jackhou): Document this properly before going to stable.
356    [nodoc] static boolean alphaEnabled();
357
358    // The JavaScript 'window' object for the created child.
359    [instanceOf=Window] object contentWindow;
360
361    // The id the window was created with.
362    DOMString id;
363
364    // The position, size and constraints of the window's content, which does
365    // not include window decorations.
366    // This property is new in Chrome 36.
367    Bounds innerBounds;
368
369    // The position, size and constraints of the window, which includes window
370    // decorations, such as the title bar and frame.
371    // This property is new in Chrome 36.
372    Bounds outerBounds;
373  };
374
375  interface Functions {
376    // The size and position of a window can be specified in a number of
377    // different ways. The most simple option is not specifying anything at
378    // all, in which case a default size and platform dependent position will
379    // be used.
380    //
381    // To set the position, size and constraints of the window, use the
382    // <code>innerBounds</code> or <code>outerBounds</code> properties. Inner
383    // bounds do not include window decorations. Outer bounds include the
384    // window's title bar and frame. Note that the padding between the inner and
385    // outer bounds is determined by the OS. Therefore setting the same property
386    // for both inner and outer bounds is considered an error (for example,
387    // setting both <code>innerBounds.left</code> and
388    // <code>outerBounds.left</code>).
389    //
390    // To automatically remember the positions of windows you can give them ids.
391    // If a window has an id, This id is used to remember the size and position
392    // of the window whenever it is moved or resized. This size and position is
393    // then used instead of the specified bounds on subsequent opening of a
394    // window with the same id. If you need to open a window with an id at a
395    // location other than the remembered default, you can create it hidden,
396    // move it to the desired location, then show it.
397    static void create(DOMString url,
398                       optional CreateWindowOptions options,
399                       optional CreateWindowCallback callback);
400
401    // Returns an $(ref:AppWindow) object for the
402    // current script context (ie JavaScript 'window' object). This can also be
403    // called on a handle to a script context for another page, for example:
404    // otherWindow.chrome.app.window.current().
405    [nocompile] static AppWindow current();
406    [nocompile, nodoc] static void initializeAppWindow(object state);
407
408    // Gets an array of all currently created app windows. This method is new in
409    // Chrome 33.
410    [nocompile] static AppWindow[] getAll();
411
412    // Gets an $(ref:AppWindow) with the given id. If no window with the given id
413    // exists null is returned. This method is new in Chrome 33.
414    [nocompile] static AppWindow get(DOMString id);
415  };
416
417  interface Events {
418    // Fired when the window is resized.
419    [nocompile] static void onBoundsChanged();
420
421    // Fired when the window is closed. Note, this should be listened to from
422    // a window other than the window being closed, for example from the
423    // background page. This is because the window being closed will be in the
424    // process of being torn down when the event is fired, which means not all
425    // APIs in the window's script context will be functional.
426    [nocompile] static void onClosed();
427
428    // Fired when the window is fullscreened.
429    [nocompile] static void onFullscreened();
430
431    // Fired when the window is maximized.
432    [nocompile] static void onMaximized();
433
434    // Fired when the window is minimized.
435    [nocompile] static void onMinimized();
436
437    // Fired when the window is restored from being minimized or maximized.
438    [nocompile] static void onRestored();
439
440    // Fired when the window's ability to use alpha transparency changes.
441    [nocompile, nodoc] static void onAlphaEnabledChanged();
442
443    // Event for testing. Lets tests wait until a window has been shown.
444    [nocompile, nodoc] static void onWindowFirstShown();
445  };
446};
447